LICENSE.txt0000664000175400017540000010543012712531174011741 0ustar tianttiant GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright © 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. 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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 17. Interpretation of Sections 15 and 16. If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively state the exclusion of warranty; and each file should have at least the “copyright” line and a pointer to where the full notice is found. Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an “about box”. You should also get your employer (if you work as a programmer) or school, if any, to sign a “copyright disclaimer” for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read < http://www.gnu.org/philosophy/why-not-lgpl.html>. elf.patch0000700000175400017540000035242612713475052011710 0ustar tianttiantELF - Self-Inferencing Reflection Resolution for Java Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . diff -urN doop-r160113-bin/gen-import elf/gen-import --- doop-r160113-bin/gen-import 2013-01-16 07:38:09.000000000 +1100 +++ elf/gen-import 2016-05-07 16:02:11.319508485 +1000 @@ -64,6 +64,7 @@ gen-import MethodSignature:SimpleName 2 gen-import MethodSignature:Descriptor 2 gen-import MethodSignature:Type 2 + gen-import MethodSignature:ReturnType 2 gen-import ReturnVar 2 @@ -103,6 +104,19 @@ gen-import ExceptionHandler:Previous 2 gen-import Instruction:Index 2 + + # gen post-dominate facts about casting + gen-import ClassNewInstanceCast 2 + gen-import ConstructorNewInstanceCast 2 + gen-import FieldGetCast 2 + gen-import InvokeCast 2 + gen-import ArrayIndexRef 1 + gen-import StoreArrayConstantIndexType 3 + gen-import StoreArrayVarIndexType 2 + gen-import ClassModifier 2 + gen-import NewArraySize 2 + gen-import NrFormalParam 2 + gen-import MethodInvocationLineNumber 2 } function main() diff -urN doop-r160113-bin/jre-link-arguments elf/jre-link-arguments --- doop-r160113-bin/jre-link-arguments 2013-01-16 07:31:49.000000000 +1100 +++ elf/jre-link-arguments 2016-05-07 16:02:11.319508485 +1000 @@ -10,6 +10,7 @@ "jre1.4") linkargs="-l ${doopconf_jre14}/lib/rt.jar -l ${doopconf_jre14}/lib/jce.jar -l ${doopconf_jre14}/lib/jsse.jar";; "jre1.5") linkargs="-l ${doopconf_jre15}/lib/rt.jar -l ${doopconf_jre15}/lib/jce.jar -l ${doopconf_jre15}/lib/jsse.jar";; "jre1.6") linkargs="-l ${doopconf_jre16}/lib/rt.jar -l ${doopconf_jre16}/lib/jce.jar -l ${doopconf_jre16}/lib/jsse.jar";; + "jre1.7") linkargs="-l ${doopconf_jre17}/lib/rt.jar -l ${doopconf_jre17}/lib/jce.jar -l ${doopconf_jre17}/lib/jsse.jar";; "system") linkargs="-lsystem";; *) echo "error: unknown jre version"; exit 1;; esac diff -urN doop-r160113-bin/logic/context-sensitive.logic elf/logic/context-sensitive.logic --- doop-r160113-bin/logic/context-sensitive.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/context-sensitive.logic 2016-05-07 16:02:11.319508485 +1000 @@ -273,6 +273,11 @@ /** * Load array index */ + + //array.f = heap; ; to = array.f + //AssignCompatible assure that type consistence between + //arg from array and each individual formal + VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- LoadHeapArrayIndex(?ctx, ?to, ?basehctx, ?baseheap), ArrayIndexPointsTo(?hctx, ?heap, ?basehctx, ?baseheap), @@ -281,10 +286,23 @@ ComponentType[?baseheaptype] = ?basecomponenttype, AssignCompatible(?type, ?basecomponenttype). -/* YANNIS: used to be the much less precise: +/* +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + ReflectiveLoadHeapArrayIndex(?ctx, ?to, ?basehctx, ?baseheap), + ArrayIndexPointsTo(?hctx, ?heap, ?basehctx, ?baseheap), + Var:Type[?to] = ?type, + HeapAllocation:Type[?baseheap] = ?baseheaptype, + ComponentType[?baseheaptype] = ?basecomponenttype, + AssignCompatible(?type, ?basecomponenttype). +*/ + +// Use types of objects to filter reflective interprocedural assignments. +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + ReflectiveLoadHeapArrayIndex(?ctx, ?to, ?basehctx, ?baseheap), + ArrayIndexPointsTo(?hctx, ?heap, ?basehctx, ?baseheap), + Var:Type[?to] = ?type, HeapAllocation:Type[?heap] = ?heaptype, AssignCompatible(?type, ?heaptype). -*/ LoadHeapArrayIndex(?ctx, ?to, ?basehctx, ?baseheap) <- ReachableLoadArrayIndexBase(?base), @@ -325,12 +343,12 @@ StoreArrayIndex(?from, ?base, _). /* StoreHeapArrayIndex(?basehctx, ?baseheap, ?ctx, ?from) <- - ReachableStoreArrayIndex(?from, ?base), - VarPointsTo(?basehctx, ?baseheap, ?ctx, ?base). + ReachableStoreArrayIndex(?from, ?base), + VarPointsTo(?basehctx, ?baseheap, ?ctx, ?base). ReachableStoreArrayIndex(?from, ?base) <- - StoreArrayIndex(?from, ?base, ?inmethod), - Reachable(?inmethod). + StoreArrayIndex(?from, ?base, ?inmethod), + Reachable(?inmethod). */ /** diff -urN doop-r160113-bin/logic/library/elf/array.logic elf/logic/library/elf/array.logic --- doop-r160113-bin/logic/library/elf/array.logic 1970-01-01 10:00:00.000000000 +1000 +++ elf/logic/library/elf/array.logic 2016-05-07 16:05:22.000000000 +1000 @@ -0,0 +1,95 @@ +/* ELF - Self-Inferencing Reflection Resolution for Java + * + * Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +//#define RESOLVE_ARRAY + +#ifdef RESOLVE_ARRAY +/************************************************************* + * Array.newInstance + * TODO handle multidimensional array + *************************************************************/ + +// most class entrace of Array.newInstance is getComponentType +java:lang:Class:getComponentType(?base, ?to) <- + MethodSignatureRef:Value(?getCompType:""), + VirtualMethodInvocation(?invo, ?getCompType, _), + VirtualMethodInvocation:Base[?invo] = ?base, + AssignReturnValue[?invo] = ?to. + +RecordImmutableMacro(?ctx, ?class, ?immCtx), +VarPointsTo(?immCtx, ?class, ?ctx, ?to) <- + java:lang:Class:getComponentType(?base, ?to), + VarPointsTo(_, ?baseClass, ?ctx, ?base), + ReifiedClass[?baseType] = ?baseClass, + ComponentType[?baseType] = ?componentType, + ReifiedClass[?componentType] = ?class. + +ReflectiveAssignNewArrayHeap(?invo, ?ctx, ?arrayType, ?to) <- + java:lang:reflect:Array:newInstance(?invo, ?to), + ActualParam[0, ?invo] = ?var, + VarPointsTo(_, ?class, ?ctx, ?var), + ReifiedClass[?componentType] = ?class, + ComponentType[?arrayType] = ?componentType. + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + ReflectiveAssignNewArrayHeap(?invo, ?ctx, ?arrayType, ?to), + ReflectiveArrayHeapAllocation[?invo, ?arrayType] = ?heap. + +/************************************************************* + * Array.get + *************************************************************/ + +java:lang:reflect:Array:get(?base, ?to) -> + VarRef(?base), + VarRef(?to). + +java:lang:reflect:Array:get(?base, ?to) <- + MethodSignatureRef:Value(?get:""), + StaticMethodInvocation:Signature[?invocation] = ?get, + ParamIndexRef:Value(?zero:0), + ActualParam[?zero, ?invocation] = ?base, + AssignReturnValue[?invocation] = ?to. + +ArrayGet(?baseheap, ?to), +LoadHeapArrayIndex(?ctx, ?to, ?basehctx, ?baseheap) <- + java:lang:reflect:Array:get(?base, ?to), + VarPointsTo(?basehctx, ?baseheap, ?ctx, ?base). + +/************************************************************* + * Array.set + *************************************************************/ + +java:lang:reflect:Array:set(?base, ?from) -> + VarRef(?base), + VarRef(?from). + +java:lang:reflect:Array:set(?base, ?value) <- + MethodSignatureRef:Value(?set:""), + StaticMethodInvocation:Signature[?invocation] = ?set, + ParamIndexRef:Value(?zero:0), + ActualParam[?zero, ?invocation] = ?base, + ParamIndexRef:Value(?two:2), + ActualParam[?two, ?invocation] = ?value. + +ArraySet(?baseheap, ?from), +StoreHeapArrayIndex(?basehctx, ?baseheap, ?ctx, ?from) <- + java:lang:reflect:Array:set(?base, ?from), + VarPointsTo(?basehctx, ?baseheap, ?ctx, ?base). + +#endif // #ifdef RESOLVE_ARRAY diff -urN doop-r160113-bin/logic/library/elf/inference.logic elf/logic/library/elf/inference.logic --- doop-r160113-bin/logic/library/elf/inference.logic 1970-01-01 10:00:00.000000000 +1000 +++ elf/logic/library/elf/inference.logic 2016-05-07 16:05:26.000000000 +1000 @@ -0,0 +1,540 @@ +/* ELF - Self-Inferencing Reflection Resolution for Java + * + * Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#define RESOLVE_NEWINSTANCE_BY_CAST +//#define CAST_LIMIT 20 + +AbstractClass(?class) <- + ClassModifier(?abstract, ?class), + ModifierRef:Value(?abstract:"abstract"). + +NewableSubtype(?type, ?subtype) <- + AssignCompatible(?type, ?subtype), + ClassType(?subtype), // exclude interface + !AbstractClass(?subtype). + +#ifdef CAST_LIMIT +NrNewableSubtype[?type] = n <- + agg<> NewableSubtype(?type, _). + +CastLimited(?type) <- + NrNewableSubtype[?type] <= CAST_LIMIT. +#else +CastLimited(?type) <- + Type(?type). +#endif // #ifdef CAST_LIMIT + +#ifdef RESOLVE_NEWINSTANCE_BY_CAST +ResolvedByCast(?invo, ?castType, ?type), +ReflectiveAssignHeapAllocation(?invo, ?type, ?ctx, ?to), +ReflectiveSpecialMethodInvocation(?ctx, ?invo, ?constructor) <- + ClassNewInstanceCast(?invo, ?castType), + CastLimited(?castType), + NewableSubtype(?castType, ?type), + java:lang:Class:newInstance(?invo, ?to, ?from), + VarPointsTo(_, ?classHeap, ?ctx, ?from), + UnknownClass[?classHeap] = _, + ReifiedClass[?type] = ?class, + OptClassToConstructor(?constructor, ?class). +#endif // #ifdef RESOLVE_NEWINSTANCE_BY_CAST + +#ifdef RESOLVE_NEWINSTANCE_BY_CAST +// resolved ctor.newInstance by cast +UnresolvedConstructorNewInstance(?invo, ?ctx, ?to) <- + java:lang:reflect:Constructor:newInstance(?invo, ?to, ?from), + VarPointsTo(_, ?ctorHeap, ?ctx, ?from), + UnknownConstructor[?ctorHeap] = _. + +ReflectiveAssignHeapAllocation(?invo, ?type, ?ctx, ?to), +ReflectiveSpecialMethodInvocation(?ctx, ?invo, ?constructor) <- + UnresolvedConstructorNewInstance(?invo, ?ctx, ?to), + ConstructorNewInstanceCast(?invo, ?castType), + NewableSubtype(?castType, ?type), + TypeToPublicConstructor(?constructor, ?type), + ConstructorArgFilter(?invo, ?constructor). + +UnresolvedDeclaredConstructorNewInstance(?invo, ?ctx, ?to) <- + java:lang:reflect:Constructor:newInstance(?invo, ?to, ?from), + VarPointsTo(_, ?ctorHeap, ?ctx, ?from), + UnknownDeclaredConstructor[?ctorHeap] = _. + +ReflectiveAssignHeapAllocation(?invo, ?type, ?ctx, ?to), +ReflectiveSpecialMethodInvocation(?ctx, ?invo, ?constructor) <- + UnresolvedDeclaredConstructorNewInstance(?invo, ?ctx, ?to), + ConstructorNewInstanceCast(?invo, ?castType), + NewableSubtype(?castType, ?type), + TypeToDeclaredConstructor(?constructor, ?type), + ConstructorArgFilter(?invo, ?constructor). + +TypeToPublicConstructor(?constructor, ?type) <- + TypeToDeclaredConstructor(?constructor, ?type), + ModifierRef:Value(?public:"public"), + MethodModifier(?public, ?constructor). + +TypeToDeclaredConstructor(?constructor, ?type) <- + MethodSignature:Type[?constructor] = ?type, + MethodSignature:SimpleName[?constructor] = ?simplename, + SimpleNameRef:Value(?simplename:""). +#endif // #ifdef RESOLVE_NEWINSTANCE_BY_CAST + +FamilyType(?type, ?familyType) -> + Type(?type), Type(?familyType). + +FamilyType(?type, ?fatherType) <- + AssignCompatible(?fatherType, ?type). + +FamilyType(?type, ?childType) <- + AssignCompatible(?type, ?childType). + +// Inference Field access + +PrimitiveWrapperType(B), +FamilyType(B, b) <- Type:Value(B:"java.lang.Boolean"), Type:Value(b:"bool"). +PrimitiveWrapperType(B), +FamilyType(B, b) <- Type:Value(B:"java.lang.Byte"), Type:Value(b:"byte"). +PrimitiveWrapperType(C), +FamilyType(C, c) <- Type:Value(C:"java.lang.Character"), Type:Value(c:"char"). +PrimitiveWrapperType(S), +FamilyType(S, s) <- Type:Value(S:"java.lang.Short"), Type:Value(s:"short"). +PrimitiveWrapperType(I), +FamilyType(I, i) <- Type:Value(I:"java.lang.Integer"), Type:Value(i:"int"). +PrimitiveWrapperType(L), +FamilyType(L, l) <- Type:Value(L:"java.lang.Long"), Type:Value(l:"long"). +PrimitiveWrapperType(F), +FamilyType(F, f) <- Type:Value(F:"java.lang.Float"), Type:Value(f:"float"). +PrimitiveWrapperType(D), +FamilyType(D, d) <- Type:Value(D:"java.lang.Double"), Type:Value(d:"double"). +// a boxing object can be pointed-to by a variable of type java.lang.Object +PrimitiveWrapperType(O) <- Type:Value(O:"java.lang.Object"). + +LookUpFieldByType(?classType, ?fldType, ?field) -> + Type(?classType), Type(?fldType), FieldSignatureRef(?field). + +LookUpFieldByType(?classType, ?fldType, ?field) <- + FieldSignature(?field, ?classType, _, ?fldType), + ModifierRef:Value(?public:"public"), + FieldModifier(?public, ?field). + +LookUpFieldByType(?classType, ?fldType, ?field) <- + DirectSuperclass[?classType] = ?superType, + LookUpFieldByType(?superType, ?fldType, ?field). + +LookUpFieldByType(?type, ?fldType, ?field) <- + DirectSuperinterface(?type, ?superIface), + LookUpFieldByType(?superIface, ?fldType, ?field). + +// l = (A) f.get(o) +ReflectiveLoadField(?invo, ?ctx, ?to, ?field) <- + java:lang:reflect:Field:get(?invo, ?to, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + GetFieldHeap[?heap] = ?classType, + FieldGetCast(?invo, ?castType), + FamilyType(?castType, ?fieldType), + LookUpFieldByType(?classType, ?fieldType, ?field). + +ReflectiveLoadField(?invo, ?ctx, ?to, ?field) <- + java:lang:reflect:Field:get(?invo, ?to, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + GetDeclaredFieldHeap[?heap] = ?classType, + FieldGetCast(?invo, ?castType), + FamilyType(?castType, ?fieldType), + FieldSignature(?field, ?classType, _, ?fieldType). + +// instance field +AllInstanceField(?classType, ?name, ?field) <- + FieldSignature(?field, ?classType, ?name, _), + !FieldModifier("static", ?field). + +AllInstanceField(?classType, ?name, ?field) <- + DirectSuperclass[?classType] = ?super, + AllInstanceField(?super, ?name, ?field). + +AllInstanceField(?classType, ?name, ?field) <- + DirectSuperinterface(?classType, ?superIface), + AllInstanceField(?superIface, ?name, ?field). + +ReflectiveLoadField(?invo, ?ctx, ?to, ?signature) <- + java:lang:reflect:Field:get(?invo, ?to, ?base), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownResolvedField[?fieldHeap] = ?name, + java:lang:reflect:Field:get:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + HeapAllocation:Type[?receiver] = ?type, + LookUpField(?type, ?name, ?signature), + !FieldModifier("static", ?signature). + +ReflectiveLoadField(?invo, ?ctx, ?to, ?signature) <- + java:lang:reflect:Field:get(?invo, ?to, ?base), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownResolvedDeclaredField[?fieldHeap] = ?name, + java:lang:reflect:Field:get:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + HeapAllocation:Type[?receiver] = ?type, + AllInstanceField(?type, ?name, ?signature). + +// l = f.get(o), f -> unknown field, o -> normal object +ReflectiveLoadField(?invo, ?ctx, ?to, ?signature) <- + java:lang:reflect:Field:get(?invo, ?to, ?base), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownField[?fieldHeap] = _, + java:lang:reflect:Field:get:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + HeapAllocation:Type[?receiver] = ?classType, + FieldGetCast(?invo, ?castType), + FamilyType(?castType, ?fieldType), + LookUpFieldByType(?classType, ?fieldType, ?signature), + !FieldModifier("static", ?signature). + +ReflectiveLoadField(?invo, ?ctx, ?to, ?signature) <- + java:lang:reflect:Field:get(?invo, ?to, ?base), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownDeclaredField[?fieldHeap] = _, + java:lang:reflect:Field:get:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + HeapAllocation:Type[?receiver] = ?classType, + AllInstanceField(?classType, _, ?signature), + FieldGetCast(?invo, ?castType), + FamilyType(?castType, ?fieldType), + FieldSignature(?signature, _, _, ?fieldType). + +SpecialSetCase(?invo) <- + java:lang:reflect:Field:set:base[?invo] = ?base, + java:lang:reflect:Field:set:from[?invo] = ?from, + Var:Type[?base] = ?baseType, + Var:Type[?from] = ?fromType, + (Type:Value(?baseType:"java.lang.Object"); + Type:Value(?fromType:"java.lang.Object")). + +// f.set(o, v) +// Resolve field type through dynamic types of v +ReflectiveStoreField(?invo, ?field, ?ctx, ?from) <- + java:lang:reflect:Field:set(?invo, ?base), + !SpecialSetCase(?invo), + VarPointsTo(_, ?heap, ?ctx, ?base), + GetFieldHeap[?heap] = ?classType, + java:lang:reflect:Field:set:from[?invo] = ?from, + VarPointsTo(_, ?valHeap, ?ctx, ?from), + HeapAllocation:Type[?valHeap] = ?valType, + AssignCompatible(?fieldType, ?valType), + LookUpFieldByType(?classType, ?fieldType, ?field), + ModifierRef:Value(?final:"final"), + !FieldModifier(?final, ?field). + +ReflectiveStoreField(?invo, ?field, ?ctx, ?from) <- + java:lang:reflect:Field:set(?invo, ?base), + !SpecialSetCase(?invo), + VarPointsTo(_, ?heap, ?ctx, ?base), + GetDeclaredFieldHeap[?heap] = ?classType, + java:lang:reflect:Field:set:from[?invo] = ?from, + VarPointsTo(_, ?valHeap, ?ctx, ?from), + HeapAllocation:Type[?valHeap] = ?valType, + AssignCompatible(?fieldType, ?valType), + FieldSignature(?field, ?classType, _, ?fieldType), + ModifierRef:Value(?final:"final"), + !FieldModifier(?final, ?field). + +AllNotFinalPublicInstanceField(?classType, ?field, ?fieldType) -> + Type(?classType), + FieldSignatureRef(?field), + Type(?fieldType). + +AllNotFinalPublicInstanceField(?classType, ?field, ?fieldType) <- + LookUpFieldByType(?classType, ?fieldType, ?field), // only get public field here + !FieldModifier("static", ?field), + !FieldModifier("final", ?field). + +AllNotFinalDeclaredInstanceField(?classType, ?field, ?fieldType) <- + FieldSignature(?field, ?classType, _, ?fieldType), + !FieldModifier("static", ?field), + !FieldModifier("final", ?field). + +AllNotFinalDeclaredInstanceField(?classType, ?field, ?fieldType) <- + DirectSuperclass[?classType] = ?super, + AllNotFinalDeclaredInstanceField(?super, ?field, ?fieldType). + +AllNotFinalDeclaredInstanceField(?classType, ?field, ?fieldType) <- + DirectSuperinterface(?classType, ?superIface), + AllNotFinalDeclaredInstanceField(?superIface, ?field, ?fieldType). + +ReflectiveStoreField(?invo, ?field, ?ctx, ?from) <- + java:lang:reflect:Field:set(?invo, ?base), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownResolvedField[?fieldHeap] = ?name, + java:lang:reflect:Field:set:from[?invo] = ?from, + java:lang:reflect:Field:set:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + HeapAllocation:Type[?receiver] = ?classType, + AllNotFinalPublicInstanceField(?classType, ?field, _), + FieldSignature(?field, _, ?name, _). + +ReflectiveStoreField(?invo, ?field, ?ctx, ?from) <- + java:lang:reflect:Field:set(?invo, ?base), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownResolvedDeclaredField[?fieldHeap] = ?name, + java:lang:reflect:Field:set:from[?invo] = ?from, + java:lang:reflect:Field:set:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + HeapAllocation:Type[?receiver] = ?classType, + AllNotFinalDeclaredInstanceField(?classType, ?field, _), + FieldSignature(?field, _, ?name, _). + +// f.set(o, val), f -> unknown field, o -> normal object +ReflectiveStoreField(?invo, ?field, ?ctx, ?from) <- + java:lang:reflect:Field:set(?invo, ?base), + !SpecialSetCase(?invo), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownField[?fieldHeap] = _, + java:lang:reflect:Field:set:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + java:lang:reflect:Field:set:from[?invo] = ?from, + VarPointsTo(_, ?heap, ?ctx, ?from), + HeapAllocation:Type[?receiver] = ?classType, + AllNotFinalPublicInstanceField(?classType, ?field, ?fieldType), + AssignCompatible(?fieldType, HeapAllocation:Type[?heap]). + +ReflectiveStoreField(?invo, ?field, ?ctx, ?from) <- + java:lang:reflect:Field:set(?invo, ?base), + !SpecialSetCase(?invo), + VarPointsTo(_, ?fieldHeap, ?ctx, ?base), + UnknownDeclaredField[?fieldHeap] = _, + java:lang:reflect:Field:set:base[?invo] = ?arg, + VarPointsTo(_, ?receiver, ?ctx, ?arg), + java:lang:reflect:Field:set:from[?invo] = ?from, + VarPointsTo(_, ?heap, ?ctx, ?from), + HeapAllocation:Type[?receiver] = ?classType, + AllNotFinalDeclaredInstanceField(?classType, ?field, ?fieldType), + AssignCompatible(?fieldType, HeapAllocation:Type[?heap]). + +/******************** Unknown Field end **********************/ + +// intra-procedural analysis for resolving Method.invoke +VarFlowToReflectiveArgs(?args, ?args) <- + ReflectiveActualParams[_] = ?args. + +VarFlowToReflectiveArgs(?from, ?args) <- + ( + AssignLocal(?from, ?to, _); + AssignCast(_, ?from, ?to, _) + ), + VarFlowToReflectiveArgs(?to, ?args). + +UnresolvedReflectiveArgs(?invoke, ?args) <- + ReflectiveActualParams[?invoke] = ?args, + VarFlowToReflectiveArgs(?var, ?args), + ( + LoadArrayIndex(_, ?var, _); + StoreArrayIndex(?var, _, _); + LoadInstanceField(_, _, ?var, _); + StoreInstanceField(?var, _, _, _); + LoadStaticField(_, ?var, _); + StoreStaticField(?var, _, _); + ( + ActualParam[_, ?invo] = ?var, + !ReflectiveActualParams[?invo] = ?args + ); + FormalParam[_, _] = ?var; + AssignReturnValue[_] = ?var; + ( + java:lang:reflect:Method:invoke(?invoke, _), + AssignHeapAllocation(?argsArray, ?var, _), + SpecialArgsArray(?argsArray) + ); + ( + AssignHeapAllocation(?argsArray, ?var, _), + !NewArraySize[?argsArray] = _ + ); + StoreArrayVarIndexType(?var, _) + ). + +ResolvedArgsInvoke(?invo) <- + java:lang:reflect:Method:invoke(?invo, _), + ReflectiveActualParams[?invo] = ?args, + !UnresolvedReflectiveArgs(?invo, ?args). + +ResolvedArgsInvoke(?invo) <- + java:lang:reflect:Method:invoke(?invo, _), + !ReflectiveActualParams[?invo] = _. + +VarFlowToVar(?var, ?var) <- + VarFlowToReflectiveArgs(?var, _). + +VarFlowToVar(?from, ?to) <- + VarFlowToVar(?var, ?to), + ( + AssignLocal(?from, ?var, _); + AssignCast(_, ?from, ?var, _) + ). + +ArgsArrayFlowToVar(?argsArray, ?to) <- + AssignHeapAllocation(?argsArray, ?var, _), + VarFlowToVar(?var, ?to). + +// It is straightforward and easily to use dynamic types of the +// elements of array argument to infer the parameter types of +// target methods (i.e., just using the points-to results). +// However, doing so with Datalog would involve negation recursion problem +// since we have to both use negation to simulate the effect of "for-each" +// and use VarPointsTo for retrieving the dynamic types. May be this is +// the limitation of Datalog? Currently, we use +// declared types (stored in the relation StoreArrayConstantsIndexType) +// and their subtypes (for soundness) of elements to look up +// potential target methods. +ArgsArrayStoreIndexType(?argsArray, ?index, ?type) <- + ArgsArrayFlowToVar(?argsArray, ?var), + StoreArrayConstantIndexType(?type, ?var, ?index). + +SpecialArgsArray(?argsArray) <- + ArgsArrayStoreIndexType(?argsArray, 0, ?argDeclType), + Type:Value(?argDeclType:"java.lang.Object"), + !ArgsArrayStoreIndexType(?argsArray, 1, _). + +ArgsArrayFlowToInvoke(?argsArray, ?invo) <- + ReflectiveActualParams[?invo] = ?args, + ArgsArrayFlowToVar(?argsArray, ?args). + +MatchedArgs(?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, _), + ResolvedArgsInvoke(?invo), + !ArgsArrayFlowToInvoke(_, ?invo), + ConcreteMethod(?method), + NrFormalParam[?method] = 0. + +MatchedArgs(?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, _), + ResolvedArgsInvoke(?invo), + ArgsArrayFlowToInvoke(?argsArray, ?invo), + ConcreteMethod(?method), + NewArraySize[?argsArray] = NrFormalParam[?method], + !ArgsArrayHasMismatchedParam(?argsArray, ?method). + +ArgsArrayHasMismatchedParam(?argsArray, ?method) <- + ArgsArrayStoreIndexType(?argsArray, ?argIndex, _), + ConcreteMethod(?method), + !ArgsArrayHasMatchedParam(?argsArray, ?argIndex, ?method). + +ArgsArrayHasMatchedParam(?argsArray, ?argIndex, ?method) <- + ArgsArrayStoreIndexType(?argsArray, ?argIndex, ?argDeclType), + AssignCompatible(?argDeclType, ?argType), + ConcreteMethod(?method), + FormalParam[?paramIndex, ?method] = ?param, + ParamIndexRef:Value[?paramIndex] = ArrayIndexRef:Value[?argIndex], + AssignCompatible(Var:Type[?param], ?argType). + +ArgsArrayHasMatchedParam(?argsArray, ?argIndex, ?method) <- + ArgsArrayStoreIndexType(?argsArray, ?argIndex, ?argDeclType), + PrimitiveWrapperType(?argDeclType), + ConcreteMethod(?method), + !FormalParam[ArrayIndexRef:Value[?argIndex], ?method] = _. + +FilterMethodByReturnType(?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, _), + ConcreteMethod(?method), + !InvokeCast(?invo, _). + +FilterMethodByReturnType(?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, _), + ConcreteMethod(?method), + MethodSignature:ReturnType[?method] = ?retType, + InvokeCast(?invo, ?castType), + FamilyType(?castType, ?retType). + +////////////////////////////////////////////////////////// +// resolve method (from getMethod()) by arg, +// m.invoke(obj, args), args is not null +ReflectiveMethodInvocation(?ctx, ?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + GetMethodHeap[?heap] = ?type, + LookUpMethod(?type, _, ?method), + FilterMethodByReturnType(?invo, ?method), + MatchedArgs(?invo, ?method). + +// resolve method (from getDeclaredMethod()) by arg, +// m.invoke(obj, args), args is not null +ReflectiveMethodInvocation(?ctx, ?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + GetDeclaredMethodHeap[?heap] = ?type, + MethodSignature:Type[?method] = ?type, + MethodSignature:SimpleName[?method] != "", // exclude constructor + MethodSignature:SimpleName[?method] != "", // exclude class initializer + FilterMethodByReturnType(?invo, ?method), + MatchedArgs(?invo, ?method). + +ConcreteMethod(?method) <- + MethodImplemented[_, _, _] = ?method. + +AllPublicInstanceMethod(?type, ?method) <- + LookUpMethod(?type, _, ?method), // LookUpMethod only returns public methods + ModifierRef:Value(?static:"static"), + !MethodModifier(?static, ?method). + +AllInstanceMethod(?type, ?method) <- + MethodSignature:Type[?method] = ?type, + MethodSignature:SimpleName[?method] != "", + ModifierRef:Value(?static:"static"), + !MethodModifier(?static, ?method). + +AllInstanceMethod(?type, ?method) <- + DirectSuperclass[?type] = ?supertype, + AllInstanceMethod(?supertype, ?method). + +// m^u_s +ReflectiveMethodInvocation(?ctx, ?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + UnknownResolvedMethod[?heap] = ?name, + ReflectiveBaseVar[?invo] = ?receiver, + VarPointsTo(_, ?receiverHeap, ?ctx, ?receiver), + AllPublicInstanceMethod(HeapAllocation:Type[?receiverHeap], ?method), + MethodSignature:SimpleName[?method] = ?name. + +ReflectiveMethodInvocation(?ctx, ?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + UnknownResolvedDeclaredMethod[?heap] = ?name, + ReflectiveBaseVar[?invo] = ?receiver, + VarPointsTo(_, ?receiverHeap, ?ctx, ?receiver), + AllInstanceMethod(HeapAllocation:Type[?receiverHeap], ?method), + MethodSignature:SimpleName[?method] = ?name. + +// resolve unknown Method & Field +// m.invoke(o, arg), m -> unknown method, o -> normal object +ReflectiveMethodInvocation(?ctx, ?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + UnknownMethod[?heap] = _, + ReflectiveBaseVar[?invo] = ?receiver, + VarPointsTo(_, ?receiverHeap, ?ctx, ?receiver), + AllPublicInstanceMethod(HeapAllocation:Type[?receiverHeap], ?method), + FilterMethodByReturnType(?invo, ?method), + MatchedArgs(?invo, ?method). + +ReflectiveMethodInvocation(?ctx, ?invo, ?method) <- + java:lang:reflect:Method:invoke(?invo, ?base), + VarPointsTo(_, ?heap, ?ctx, ?base), + UnknownDeclaredMethod[?heap] = _, + ReflectiveBaseVar[?invo] = ?receiver, + VarPointsTo(_, ?receiverHeap, ?ctx, ?receiver), + AllInstanceMethod(HeapAllocation:Type[?receiverHeap], ?method), + FilterMethodByReturnType(?invo, ?method), + MatchedArgs(?invo, ?method). + +/******************* Unknown Method end **********************/ + + diff -urN doop-r160113-bin/logic/library/elf/propagation.logic elf/logic/library/elf/propagation.logic --- doop-r160113-bin/logic/library/elf/propagation.logic 1970-01-01 10:00:00.000000000 +1000 +++ elf/logic/library/elf/propagation.logic 2016-05-07 16:05:30.000000000 +1000 @@ -0,0 +1,535 @@ +/* ELF - Self-Inferencing Reflection Resolution for Java + * + * Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +StringConstantHeap(?heap) <- + InstructionRef:Value(?heap:"<>"); + ClassNameStringConstant(?heap); + MethodNameStringConstant(?heap); + FieldNameStringConstant(?heap). + +UnresolvedReflectiveAssignClassConstant(?ctx, ?invocation) -> + Context(?ctx), MethodInvocationRef(?invocation). + +UnresolvedReflectiveAssignClassConstant(?ctx, ?invocation) <- + java:lang:Class:forName(?invocation, ?inmethod), + ReachableContext(?ctx, ?inmethod), + java:lang:Class:forName:ActualParam[?invocation] = ?param, + VarPointsTo(_, ?constant, ?ctx, ?param), + !StringConstantHeap(?constant), + !Config:DynamicClass(_, ?invocation). + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + UnresolvedReflectiveAssignClassConstant(?ctx, ?invocation), + UnknownClass[?heap] = ?invocation, + AssignReturnValue[?invocation] = ?return. + +/////////////////////////////////////////////////////////////////////////////// +// m^t_s +// API call scenario: Method mtd = clz.getField("const string"); +ResolvedMethod(?invo, ?meth, ?ctx) -> + MethodInvocationRef(?invo), MethodSignatureRef(?meth), Context(?ctx). + +UnresolvedMethod(?invo, ?ctx, ?type) -> + MethodInvocationRef(?invo), + Context(?ctx), + Type(?type). + +LookUpMethod(?type, ?methName, ?meth) -> + Type(?type), SimpleNameRef(?methName), MethodSignatureRef(?meth). + +LookUpMethod(?type, ?methName, ?meth) <- + MethodSignature:Type[?meth] = ?type, + MethodSignature:SimpleName[?meth] = ?methName, + MethodSignature:SimpleName[?meth] != "", + MethodSignature:SimpleName[?meth] != "", + ModifierRef:Value(?public:"public"), + MethodModifier(?public, ?meth). + +LookUpMethod(?type, ?methName, ?meth) <- + DirectSuperclass[?type] = ?super, + LookUpMethod(?super, ?methName, ?meth). + +LookUpMethod(?type, ?methName, ?meth) <- + InterfaceType(?type), + DirectSuperinterface(?type, ?superType), + LookUpMethod(?superType, ?methName, ?meth). + +LookUpMethod(?type, ?methName, ?meth) <- + ClassType(?type), + ModifierRef:Value(?abstract:"abstract"), + ClassModifier(?abstract, ?type), + DirectSuperinterface(?type, ?superType), + LookUpMethod(?superType, ?methName, ?meth). + +ResolvedMethod(?invo, ?meth, ?ctx) <- + java:lang:Class:getMethod(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?zero, ?invo] = ?argParam, + ParamIndexRef:Value(?zero:0), + VarPointsTo(_, ?methNameHeap, ?ctx, ?argParam), + MethodNameStringConstant:SimpleName[?methNameHeap] = ?methName, + LookUpMethod(?type, ?methName, ?meth). + +ResolvedMethod(?invo, ?meth, ?ctx) <- + java:lang:Class:getDeclaredMethod(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?zero, ?invo] = ?argParam, + ParamIndexRef:Value(?zero:0), + VarPointsTo(_, ?methNameHeap, ?ctx, ?argParam), + MethodNameStringConstant:SimpleName[?methNameHeap] = ?methName, + MethodSignature:SimpleName[?meth] = ?methName, + MethodSignature:Type[?meth] = ?type. + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + ResolvedMethod(?invo, ?meth, ?ctx), + ReifiedMethod[?meth] = ?heap, + AssignReturnValue[?invo] = ?to. + +// m^t_u +UnresolvedMethod(?invo, ?ctx, ?type) <- + java:lang:Class:getMethod(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?zero, ?invo] = ?argParam, + ParamIndexRef:Value(?zero:0), + VarPointsTo(_, ?methNameHeap, ?ctx, ?argParam), + !StringConstantHeap(?methNameHeap). + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + java:lang:Class:getMethod(?invo, _), + UnresolvedMethod(?invo, ?ctx, ?type), + GetMethodHeap[?heap] = ?type, + AssignReturnValue[?invo] = ?return. + +UnresolvedMethod(?invo, ?ctx, ?type) <- + java:lang:Class:getDeclaredMethod(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?zero, ?invo] = ?argParam, + ParamIndexRef:Value(?zero:0), + VarPointsTo(_, ?methNameHeap, ?ctx, ?argParam), + !StringConstantHeap(?methNameHeap). + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + java:lang:Class:getDeclaredMethod(?invo, _), + UnresolvedMethod(?invo, ?ctx, ?type), + GetDeclaredMethodHeap[?heap] = ?type, + AssignReturnValue[?invo] = ?return. + +// get[Declared]Methods +UnresolvedMethod(?invo, ?ctx, ?type) <- + java:lang:Class:getMethods(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class. + +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getMethods(?invo, _), + UnresolvedMethod(?invo, ?ctx, ?type), + GetMethodHeap[?heap] = ?type, + GetMethodsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +UnresolvedMethod(?invo, ?ctx, ?type) <- + java:lang:Class:getDeclaredMethods(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class. + +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getDeclaredMethods(?invo, _), + UnresolvedMethod(?invo, ?ctx, ?type), + GetDeclaredMethodHeap[?heap] = ?type, + GetDeclaredMethodsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +// for getMethod +// m^u_s +OnlyNameMethod(?invo, ?ctx, ?name) <- + java:lang:Class:getMethod(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + MethodNameStringConstant:SimpleName[?strHeap] = ?name. + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + OnlyNameMethod(?invo, ?ctx, ?name), + UnknownResolvedMethod[?heap] = ?name, + AssignReturnValue[?invo] = ?return. + +OnlyNameDeclaredMethod(?invo, ?ctx, ?name) <- + java:lang:Class:getDeclaredMethod(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + MethodNameStringConstant:SimpleName[?strHeap] = ?name. + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + OnlyNameDeclaredMethod(?invo, ?ctx, ?name), + UnknownResolvedDeclaredMethod[?heap] = ?name, + AssignReturnValue[?invo] = ?return. + +// m^u_u +TotallyUnknownMethod(?invo, ?ctx) <- + java:lang:Class:getMethod(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + !StringConstantHeap(?strHeap). + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + TotallyUnknownMethod(?invo, ?ctx), + UnknownMethod[?heap] = ?invo, + AssignReturnValue[?invo] = ?return. + +// for getDeclaredMethod +TotallyUnknownDeclaredMethod(?invo, ?ctx) <- + java:lang:Class:getDeclaredMethod(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + !StringConstantHeap(?strHeap). + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + TotallyUnknownDeclaredMethod(?invo, ?ctx), + UnknownDeclaredMethod[?heap] = ?invo, + AssignReturnValue[?invo] = ?return. + +// for getMethods +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getMethods(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + UnknownMethod[?heap] = ?invo, + GetMethodsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +// for getDeclaredMethods +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getDeclaredMethods(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + UnknownDeclaredMethod[?heap] = ?invo, + GetDeclaredMethodsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +/******************* Unknown Field start *********************/ +// f^t_s +// API call scenario: Field fld = clz.getField("const string"); +ResolvedField(?invo, ?field, ?ctx) -> + MethodInvocationRef(?invo), FieldSignatureRef(?field), Context(?ctx). + +LookUpField(?type, ?fldName, ?field) -> + Type(?type), SimpleNameRef(?fldName), FieldSignatureRef(?field). + +LookUpField(?classType, ?fldName, ?field) <- + FieldSignature(?field, ?classType, ?fldName, _), + ModifierRef:Value(?public:"public"), + FieldModifier(?public, ?field). + +LookUpField(?classType, ?fldName, ?field) <- + DirectSuperclass[?classType] = ?superType, + LookUpField(?superType, ?fldName, ?field). + +LookUpField(?type, ?fldName, ?field) <- + DirectSuperinterface(?type, ?superIface), + LookUpField(?superIface, ?fldName, ?field). + +ResolvedField(?invo, ?field, ?ctx) <- + java:lang:Class:getField(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?one, ?invo] = ?argParam, + ParamIndexRef:Value(?one:0), + VarPointsTo(_, ?fldNameHeap, ?ctx, ?argParam), + FieldNameStringConstant:SimpleName[?fldNameHeap] = ?fldName, + LookUpField(?type, ?fldName, ?field). + +ResolvedField(?invo, ?field, ?ctx) <- + java:lang:Class:getDeclaredField(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?one, ?invo] = ?argParam, + ParamIndexRef:Value(?one:0), + VarPointsTo(_, ?fldNameHeap, ?ctx, ?argParam), + FieldNameStringConstant:SimpleName[?fldNameHeap] = ?fldName, + FieldSignature(?field, ?type, ?fldName, _). + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + ResolvedField(?invo, ?field, ?ctx), + ReifiedField(?field, ?heap), + AssignReturnValue[?invo] = ?to. + +// f^t_u +UnresolvedField(?invo, ?ctx, ?type) -> + MethodInvocationRef(?invo), Context(?ctx), Type(?type). + +//We need class resolved and field unresolved here +UnresolvedField(?invo, ?ctx, ?type) <- + java:lang:Class:getField(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?zero, ?invo] = ?argParam, + ParamIndexRef:Value(?zero:0), + VarPointsTo(_, ?fldNameHeap, ?ctx, ?argParam), + !StringConstantHeap(?fldNameHeap). + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + java:lang:Class:getField(?invo, _), + UnresolvedField(?invo, ?ctx, ?type), + GetFieldHeap[?heap] = ?type, + AssignReturnValue[?invo] = ?return. + +//for getDeclaredField +UnresolvedField(?invo, ?ctx, ?type) <- + java:lang:Class:getDeclaredField(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + ActualParam[?zero, ?invo] = ?argParam, + ParamIndexRef:Value(?zero:0), + VarPointsTo(_, ?fldNameHeap, ?ctx, ?argParam), + !StringConstantHeap(?fldNameHeap). + +//for getDeclaredField +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + java:lang:Class:getDeclaredField(?invo, _), + UnresolvedField(?invo, ?ctx, ?type), + GetDeclaredFieldHeap[?heap] = ?type, + AssignReturnValue[?invo] = ?return. + +UnresolvedField(?invo, ?ctx, ?type) <- + java:lang:Class:getFields(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class. + +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getFields(?invo, _), + UnresolvedField(?invo, ?ctx, ?type), + GetFieldHeap[?heap] = ?type, + GetFieldsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +UnresolvedField(?invo, ?ctx, ?type) <- + java:lang:Class:getDeclaredFields(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class. + +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getDeclaredFields(?invo, _), + UnresolvedField(?invo, ?ctx, ?type), + GetDeclaredFieldHeap[?heap] = ?type, + GetDeclaredFieldsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + + + +// f^u_s +OnlyNameField(?invo, ?ctx, ?name) <- + java:lang:Class:getField(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + FieldNameStringConstant:SimpleName[?strHeap] = ?name. + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + OnlyNameField(?invo, ?ctx, ?name), + UnknownResolvedField[?heap] = ?name, + AssignReturnValue[?invo] = ?return. + +OnlyNameDeclaredField(?invo, ?ctx, ?name) <- + java:lang:Class:getDeclaredField(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + FieldNameStringConstant:SimpleName[?strHeap] = ?name. + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + OnlyNameDeclaredField(?invo, ?ctx, ?name), + UnknownResolvedDeclaredField[?heap] = ?name, + AssignReturnValue[?invo] = ?return. + +// f^u_u +// for getField +TotallyUnknownField(?invo, ?ctx) <- + java:lang:Class:getField(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + !StringConstantHeap(?strHeap). + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + TotallyUnknownField(?invo, ?ctx), + UnknownField[?heap] = ?invo, + AssignReturnValue[?invo] = ?return. + +// for getDeclaredField +TotallyUnknownDeclaredField(?invo, ?ctx) <- + java:lang:Class:getDeclaredField(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + ActualParam[0, ?invo] = ?argParam, + VarPointsTo(_, ?strHeap, ?ctx, ?argParam), + !StringConstantHeap(?strHeap). + +RecordImmutableMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?return) <- + TotallyUnknownDeclaredField(?invo, ?ctx), + UnknownDeclaredField[?heap] = ?invo, + AssignReturnValue[?invo] = ?return. + +// for getFields +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getFields(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + UnknownField[?heap] = ?invo, + GetFieldsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +// for getDeclaredFields +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?hctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getDeclaredFields(?invo, ?base), + VarPointsTo(_, ?classHeap, ?ctx, ?base), + UnknownClass[?classHeap] = _, + UnknownDeclaredField[?heap] = ?invo, + GetDeclaredFieldsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +// propagate Constructor +// known Constructor +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + java:lang:Class:getConstructor(_, ?to, ?from), + VarPointsTo(_, ?class, ?ctx, ?from), + ReifiedClass[?type] = ?class, + MethodSignature:Type[?signature] = ?type, + ModifierRef:Value(?public:"public"), + MethodModifier(?public, ?signature), + ReifiedConstructor[?signature] = ?heap, + ObjectShouldNotBeRefined(?heap). + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + java:lang:Class:getDeclaredConstructor(_, ?to, ?from), + VarPointsTo(_, ?class, ?ctx, ?from), + ReifiedClass[?type] = ?class, + MethodSignature:Type[?signature] = ?type, + ReifiedConstructor[?signature] = ?heap, + ObjectShouldNotBeRefined(?heap). + +// unknown constructor +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + java:lang:Class:getConstructor(?invo, ?to, ?from), + VarPointsTo(_, ?class, ?ctx, ?from), + UnknownClass[?class] = _, + UnknownConstructor[?heap] = ?invo. + +RecordMacro(?ctx, ?heap, ?hctx), +VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- + java:lang:Class:getDeclaredConstructor(?invo, ?to, ?from), + VarPointsTo(_, ?class, ?ctx, ?from), + UnknownClass[?class] = _, + UnknownDeclaredConstructor[?heap] = ?invo. + +/* +RecordImmutableMacro(?ctx, ?heap, ?immHctx), +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?immHctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getConstructors(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + MethodSignature:Type[?signature] = ?type, + ModifierRef:Value(?public:"public"), + MethodModifier(?public, ?signature), + ReifiedConstructor[?signature] = ?heap, + GetConstructorsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +RecordImmutableMacro(?ctx, ?heap, ?immHctx), +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?immHctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getDeclaredConstructors(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + ReifiedClass[?type] = ?class, + MethodSignature:Type[?signature] = ?type, + ReifiedConstructor[?signature] = ?heap, + GetDeclaredConstructorsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. +*/ + +RecordImmutableMacro(?ctx, ?heap, ?immHctx), +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?immHctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getConstructors(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + UnknownClass[?class] = _, + UnknownConstructor[?heap] = ?invo, + GetConstructorsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. + +RecordImmutableMacro(?ctx, ?heap, ?immHctx), +RecordMacro(?ctx, ?baseheap, ?hctx), +VarPointsTo(?hctx, ?baseheap, ?ctx, ?to), +ArrayIndexPointsTo(?immHctx, ?heap, ?hctx, ?baseheap) <- + java:lang:Class:getDeclaredConstructors(?invo, ?base), + VarPointsTo(_, ?class, ?ctx, ?base), + UnknownClass[?class] = _, + UnknownDeclaredConstructor[?heap] = ?invo, + GetDeclaredConstructorsHeap[?invo] = ?baseheap, + AssignReturnValue[?invo] = ?to. diff -urN doop-r160113-bin/logic/library/elf/reflect-stats.logic elf/logic/library/elf/reflect-stats.logic --- doop-r160113-bin/logic/library/elf/reflect-stats.logic 1970-01-01 10:00:00.000000000 +1000 +++ elf/logic/library/elf/reflect-stats.logic 2016-05-07 16:05:35.000000000 +1000 @@ -0,0 +1,167 @@ +/* ELF - Self-Inferencing Reflection Resolution for Java + * + * Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +/************************************************************* + * refine var points to * + *************************************************************/ +ReflectionPlaceHolderHeap(?heap) <- + UnknownClass[?heap] = _; + GetMethodHeap[?heap] = _; + GetDeclaredMethodHeap[?heap] = _; + GetFieldHeap[?heap] = _; + GetDeclaredFieldHeap[?heap] = _; + GetMethodsHeap[_] = ?heap; + GetDeclaredMethodsHeap[_] = ?heap; + GetFieldsHeap[_] = ?heap; + GetDeclaredFieldsHeap[_] = ?heap; + GetConstructorsHeap[_] = ?heap; + GetDeclaredConstructorsHeap[_] = ?heap; + UnknownMethod[?heap] = _; + UnknownDeclaredMethod[?heap] = _; + UnknownField[?heap] = _; + UnknownDeclaredField[?heap] = _; + UnknownResolvedMethod[?heap] = _; + UnknownResolvedDeclaredMethod[?heap] = _; + UnknownResolvedField[?heap] = _; + UnknownResolvedDeclaredField[?heap] = _; + UnknownConstructor[?heap] = _; + UnknownDeclaredConstructor[?heap] = _. + +#ifdef DISTINGUISH_CLASS_STRING_CONSTANTS +RefineVarPointsTo(?hctx, ?heap, ?ctx, ?var) <- + VarPointsTo(?hctx, ?heap, ?ctx, ?var), + // remove reflective place holder + ! ReflectionPlaceHolderHeap(?heap), + // remove constant string + ! MethodNameStringConstant(?heap), + ! FieldNameStringConstant(?heap). + +RefineVarPointsTo(?hctx, ?heap, ?ctx, ?var) <- + VarPointsTo(?hctx, ?methNameHeap, ?ctx, ?var), + MethodNameStringConstant(?methNameHeap), + InstructionRef:Value(?heap:"<>"). + +RefineVarPointsTo(?hctx, ?heap, ?ctx, ?var) <- + VarPointsTo(?hctx, ?fldNameHeap, ?ctx, ?var), + FieldNameStringConstant(?fldNameHeap), + InstructionRef:Value(?heap:"<>"). +#endif // #ifdef DISTINGUISH_CLASS_STRING_CONSTANTS + +#ifdef DISTINGUISH_ALL_STRING_CONSTANTS +RefineVarPointsTo(?hctx, ?heap, ?ctx, ?var) <- + VarPointsTo(?hctx, ?heap, ?ctx, ?var), + ! ReflectionPlaceHolderHeap(?heap). +#endif // #ifdef DISTINGUISH_ALL_STRING_CONSTANTS + +InsensRefineVarPointsTo(?heap, ?var) <- + RefineVarPointsTo(_, ?heap, _, ?var). + +/************************************************************* + * reflection results query * + *************************************************************/ +// reflective call graph edges +InsensReflectiveCallGraphEdge(?caller, ?callee) <- + ReflectiveCallGraphEdge(_, ?caller, _, ?callee). + +// clz/ctor.newInstance +ReachableClassNewInstance(?invo) <- + java:lang:Class:newInstance(?invo, _, _), + Reachable(?inmethod), + VirtualMethodInvocation:In(?invo, ?inmethod). + +ReachableConstructorNewInstance(?invo) <- + java:lang:reflect:Constructor:newInstance(?invo, _, _), + Reachable(?inmethod), + VirtualMethodInvocation:In(?invo, ?inmethod). + +ReachableNewInstance(?invo) <- + ReachableClassNewInstance(?invo); + ReachableConstructorNewInstance(?invo). + +NewInstanceResults(?invo, ?type) <- + ReflectiveAssignHeapAllocation(?invo, ?type, _, _). + +ResolvedNewInstance(?invo) <- + NewInstanceResults(?invo, _). + +ClassNewInstanceResults(?invo, ?type) <- + NewInstanceResults(?invo, ?type), + java:lang:Class:newInstance(?invo, _, _). + +ResolvedClassNewInstance(?invo) <- + ClassNewInstanceResults(?invo, _). + +ConstructorNewInstanceResults(?invo, ?type) <- + NewInstanceResults(?invo, ?type), + java:lang:reflect:Constructor:newInstance(?invo, _, _). + +ResolvedConstructorNewInstance(?invo) <- + ConstructorNewInstanceResults(?invo, _). + +// mtd.invoke +ReachableInvoke(?invo) <- + java:lang:reflect:Method:invoke(?invo, _), + Reachable(?inmethod), + VirtualMethodInvocation:In(?invo, ?inmethod). + +InvokeResults(?invo, ?method) <- + ReflectiveCallGraphEdge(_, ?invo, _, ?method), + java:lang:reflect:Method:invoke(?invo, _). + +ResolvedInvoke(?invo) <- + InvokeResults(?invo, _). + +// fld.get/set +ReachableFieldGet(?invo) <- + java:lang:reflect:Field:get(?invo, _, _), + Reachable(?inmethod), + VirtualMethodInvocation:In(?invo, ?inmethod). + +FieldGetResults(?invo, ?field) <- + ReflectiveLoadField(?invo, _, _, ?field), + ModifierRef:Value(?static:"static"), + FieldModifier(?static, ?field). + +FieldGetResults(?invo, ?field) <- + ReflectiveLoadField(?invo, _, _, ?field), + ModifierRef:Value(?static:"static"), + ! FieldModifier(?static, ?field), + java:lang:reflect:Field:get:base[?invo] = _. + +ResolvedFieldGet(?invo) <- + FieldGetResults(?invo, _). + +ReachableFieldSet(?invo) <- + java:lang:reflect:Field:set(?invo, _), + Reachable(?inmethod), + VirtualMethodInvocation:In(?invo, ?inmethod). + +FieldSetResults(?invo, ?field) <- + ReflectiveStoreField(?invo, ?field, _, _), + ModifierRef:Value(?static:"static"), + FieldModifier(?static, ?field). + +FieldSetResults(?invo, ?field) <- + ReflectiveStoreField(?invo, ?field, _, _), + ModifierRef:Value(?static:"static"), + ! FieldModifier(?static, ?field), + java:lang:reflect:Field:set:base[?invo] = _. + +ResolvedFieldSet(?invo) <- + FieldSetResults(?invo, _). + diff -urN doop-r160113-bin/logic/library/fact-declarations.logic elf/logic/library/fact-declarations.logic --- doop-r160113-bin/logic/library/fact-declarations.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/library/fact-declarations.logic 2016-05-07 16:02:11.319508485 +1000 @@ -17,7 +17,9 @@ MethodDescriptorRef(x), MethodDescriptorRef:Value(x:s) -> string(s). FieldSignatureRef(x), FieldSignatureRef:Value(x:s) -> string(s). + ParamIndexRef(x), ParamIndexRef:Value(x:y) -> int[32](y). +ArrayIndexRef(x), ArrayIndexRef:Value(x:y) -> int[32](y). SimpleNameRef(x), SimpleNameRef:Value(x:s) -> string(s). ModifierRef(x), ModifierRef:Value(x:s) -> string(s). @@ -59,13 +61,15 @@ lang:physical:capacity[`FieldSignatureRef] = 65536. /* 2^16 */ lang:physical:capacity[`MethodSignatureRef] = 131072. lang:physical:capacity[`MethodDescriptorRef] = 131072. -lang:physical:capacity[`InstructionRef] = 524288. /* 2^19 */ -lang:physical:capacity[`ThrowRef] = 524288. /* = instruction */ -lang:physical:capacity[`CallGraphEdgeSourceRef] = 524288. /* = instruction */ -lang:physical:capacity[`HeapAllocationRef] = 524288. /* = instruction */ -lang:physical:capacity[`MethodInvocationRef] = 524288. /* = instruction */ -lang:physical:capacity[`StringConstant] = 524288./* = CallEdgeSourceRef */ -lang:physical:capacity[`ClassConstant] = 524288./* = CallEdgeSourceRef */ + +lang:physical:capacity[`InstructionRef] = 1048576. /* 2^20 */ +lang:physical:capacity[`ThrowRef] = 1048576. /* = instruction */ +lang:physical:capacity[`CallGraphEdgeSourceRef] = 1048576. /* = instruction */ +lang:physical:capacity[`HeapAllocationRef] = 1048576. /* = instruction */ +lang:physical:capacity[`MethodInvocationRef] = 1048576. /* = instruction */ +lang:physical:capacity[`StringConstant] = 1048576./* = CallEdgeSourceRef */ +lang:physical:capacity[`ClassConstant] = 1048576./* = CallEdgeSourceRef */ + lang:physical:capacity[`SimpleNameRef] = 131072. lang:physical:capacity[`ExceptionHandlerRef] = 131072. lang:physical:capacity[`VarRef] = 1048576. /* 2^20 */ @@ -95,6 +99,10 @@ MainClass(?ref) -> ClassType(?ref). +ClassModifier(?modifier, ?type) -> + ModifierRef(?modifier), + ClassType(?type). + /** * Variable declarations */ @@ -157,13 +165,21 @@ MethodSignatureRef(?signature), MethodDescriptorRef(?descriptor). +MethodSignature:ReturnType[?signature] = ?retType -> + MethodSignatureRef(?signature), + Type(?retType). + MethodModifier(?mod, ?method) -> MethodSignatureRef(?method), ModifierRef(?mod). /** * Parameters - */ + */ +NrFormalParam[?method] = ?nr -> + MethodSignatureRef(?method), + int[16](?nr). + FormalParam[?index, ?method] = ?var -> MethodSignatureRef(?method), ParamIndexRef(?index), @@ -334,6 +350,20 @@ VarRef(?from), VarRef(?base). +// for matching arguments to filter methods +StoreArrayConstantIndexType(?type, ?base, ?index) -> + Type(?type), + VarRef(?base), + ArrayIndexRef(?index). + +StoreArrayVarIndexType(?base, ?type) -> + Type(?type), + VarRef(?base). + +NewArraySize[?arrayHeap] = ?size -> + HeapAllocationRef(?arrayHeap), + int[16](?size). + ComponentType[?arrayType] = ?componentType -> ArrayType(?arrayType), Type(?componentType). @@ -413,6 +443,95 @@ HeapAllocationRef(?heap), FieldSignatureRef(?field). +//for rules about place holder heap in reflection-delta.logic + +UnknownClass[?heap] = ?invo -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +// unknown Constructor +UnknownConstructor[?heap] = ?invo -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +UnknownDeclaredConstructor[?heap] = ?invo -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +// unknown Method +UnknownMethod[?heap] = ?invo -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +UnknownDeclaredMethod[?heap] = ?invo -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +UnknownResolvedMethod[?heap] = ?name -> + HeapAllocationRef(?heap), + SimpleNameRef(?name). + +UnknownResolvedDeclaredMethod[?heap] = ?name -> + HeapAllocationRef(?heap), + SimpleNameRef(?name). + +// unknown Field +UnknownField[?heap] = ?invo -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +UnknownDeclaredField[?heap] = ?invo -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +UnknownResolvedField[?heap] = ?name -> + HeapAllocationRef(?heap), + SimpleNameRef(?name). + +UnknownResolvedDeclaredField[?heap] = ?name -> + HeapAllocationRef(?heap), + SimpleNameRef(?name). + +// unresolved method/field place holder +GetMethodHeap[?heap] = ?type -> + HeapAllocationRef(?heap), + Type(?type). + +GetDeclaredMethodHeap[?heap] = ?type -> + HeapAllocationRef(?heap), + Type(?type). + +GetFieldHeap[?heap] = ?type -> + HeapAllocationRef(?heap), + Type(?type). + +GetDeclaredFieldHeap[?heap] = ?type -> + HeapAllocationRef(?heap), + Type(?type). + +GetMethodsHeap[?invo] = ?heap -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +GetDeclaredMethodsHeap[?invo] = ?heap -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +GetFieldsHeap[?invo] = ?heap -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +GetDeclaredFieldsHeap[?invo] = ?heap -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +GetConstructorsHeap[?invo] = ?heap -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). + +GetDeclaredConstructorsHeap[?invo] = ?heap -> + HeapAllocationRef(?heap), + MethodInvocationRef(?invo). /** * Reflective operations @@ -446,38 +565,73 @@ * transformation that changes the input "abstract program" does not need * to change the relations below or analyze them. */ -java:lang:Object:getClass(?to, ?from) -> - VarRef(?to), - VarRef(?from). -java:lang:Class:forName(?invocation, ?inmethod) -> - MethodInvocationRef(?invocation), - MethodSignatureRef(?inmethod). -java:lang:Class:getConstructor(?to, ?from) -> +java:lang:Class:getMethod(?invo, ?base) -> + MethodInvocationRef(?invo), VarRef(?base). + +java:lang:Class:getField(?invo, ?base) -> + MethodInvocationRef(?invo), VarRef(?base). + +java:lang:Class:getDeclaredMethod(?invo, ?base) -> + MethodInvocationRef(?invo), VarRef(?base). + +java:lang:Class:getDeclaredField(?invo, ?base) -> + MethodInvocationRef(?invo), VarRef(?base). + +java:lang:Class:getConstructor(?invo, ?to, ?from) -> + MethodInvocationRef(?invo), VarRef(?to), VarRef(?from). -java:lang:Class:getDeclaredConstructor(?to, ?from) -> +java:lang:Class:getDeclaredConstructor(?invo, ?to, ?from) -> + MethodInvocationRef(?invo), VarRef(?to), VarRef(?from). -java:lang:Class:getDeclaredMethod(?to, ?from) -> - VarRef(?to), +java:lang:Class:getMethods(?invocation, ?from) -> + MethodInvocationRef(?invocation), VarRef(?from). -java:lang:Class:getDeclaredMethods(?to, ?from) -> - VarRef(?to), +java:lang:Class:getDeclaredMethods(?invocation, ?from) -> + MethodInvocationRef(?invocation), VarRef(?from). -java:lang:Class:getDeclaredField(?to, ?from) -> - VarRef(?to), +java:lang:Class:getFields(?invocation, ?from) -> + MethodInvocationRef(?invocation), + VarRef(?from). + +java:lang:Class:getDeclaredFields(?invocation, ?from) -> + MethodInvocationRef(?invocation), + VarRef(?from). + +java:lang:Class:getConstructors(?invocation, ?from) -> + MethodInvocationRef(?invocation), VarRef(?from). -java:lang:Class:getDeclaredFields(?to, ?from) -> +java:lang:Class:getDeclaredConstructors(?invocation, ?from) -> + MethodInvocationRef(?invocation), + VarRef(?from). + +// for array newinstance +java:lang:reflect:Array:newInstance(?invocation, ?to) -> + MethodInvocationRef(?invocation), + VarRef(?to). + +ReflectiveArrayHeapAllocation[?invo, ?componentType] = ?heap -> + MethodInvocationRef(?invo), + Type(?componentType), + HeapAllocationRef(?heap). + +java:lang:Object:getClass(?invo, ?to, ?from) -> + MethodInvocationRef(?invo), VarRef(?to), VarRef(?from). +java:lang:Class:forName(?invocation, ?inmethod) -> + MethodInvocationRef(?invocation), + MethodSignatureRef(?inmethod). + java:lang:reflect:Method:invoke(?invocation, ?from) -> MethodInvocationRef(?invocation), VarRef(?from). @@ -489,3 +643,31 @@ MethodInvocationRef(?invocation), VarRef(?to), VarRef(?field). + +/** + * cast post dominator of Class.newInstance, + * Constructor.newInstance, Field.get and Method.invoke + */ +ClassNewInstanceCast(?invocation, ?type) -> + MethodInvocationRef(?invocation), + Type(?type). + +ConstructorNewInstanceCast(?invocation, ?type) -> + MethodInvocationRef(?invocation), + Type(?type). + +FieldGetCast(?invocation, ?type) -> + MethodInvocationRef(?invocation), + Type(?type). + +InvokeCast(?invocation, ?type) -> + MethodInvocationRef(?invocation), + Type(?type). + +/** + * Line numbers of invocations + */ +MethodInvocationLineNumber[?invocation] = ?lineNumber -> + MethodInvocationRef(?invocation), + int[32](?lineNumber). + diff -urN doop-r160113-bin/logic/library/native-delta.logic elf/logic/library/native-delta.logic --- doop-r160113-bin/logic/library/native-delta.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/library/native-delta.logic 2016-05-07 16:02:11.319508485 +1000 @@ -167,16 +167,109 @@ VirtualMethodInvocation:Signature[?invocation] = ?invoke, VirtualMethodInvocation:Base[?invocation] = ?base, AssignReturnValue[?invocation] = ?to. + +// for rules about place holder heap in reflection-delta.logic ++java:lang:Class:forName(?invocation, ?inmethod) <- + MethodSignatureRef:Value(?forName:""), + StaticMethodInvocation(?invocation, ?forName, ?inmethod). + ++java:lang:Class:forName(?invocation, ?inmethod) <- + MethodSignatureRef:Value(?forName:""), + StaticMethodInvocation(?invocation, ?forName, ?inmethod). + ++java:lang:Class:getMethod(?invocation, ?base) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?base. + ++java:lang:Class:getDeclaredMethod(?invocation, ?base) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?base. + ++java:lang:Class:getField(?invocation, ?base) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?base. + ++java:lang:Class:getDeclaredField(?invocation, ?base) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?base. + +/** + * find invocations + */ ++java:lang:Class:getConstructor(?invocation, ?to, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + AssignReturnValue[?invocation] = ?to, + VirtualMethodInvocation:Base[?invocation] = ?from. + ++java:lang:Class:getDeclaredConstructor(?invocation, ?to, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + AssignReturnValue[?invocation] = ?to, + VirtualMethodInvocation:Base[?invocation] = ?from. +// ------------ +/** + * find uses of getClass + */ ++java:lang:Object:getClass(?invocation, ?to, ?from) <- + MethodSignatureRef:Value(?getClass:""), + VirtualMethodInvocation:Signature[?invocation] = ?getClass, + AssignReturnValue[?invocation] = ?to, + VirtualMethodInvocation:Base[?invocation] = ?from. +// ------------ + +// add delta for reflection opeartions ++java:lang:Class:getMethods(?invocation, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?from. + ++java:lang:Class:getDeclaredMethods(?invocation, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?from. + ++java:lang:Class:getFields(?invocation, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?from. + ++java:lang:Class:getDeclaredFields(?invocation, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?from. + ++java:lang:Class:getConstructors(?invocation, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?from. + ++java:lang:Class:getDeclaredConstructors(?invocation, ?from) <- + MethodSignatureRef:Value(?signature:""), + VirtualMethodInvocation:Signature[?invocation] = ?signature, + VirtualMethodInvocation:Base[?invocation] = ?from. + ++java:lang:reflect:Array:newInstance(?invo, ?to) <- + MethodSignatureRef:Value(?newInstance:""), + StaticMethodInvocation(?invo, ?newInstance, _), + AssignReturnValue[?invo] = ?to. + /** * TODO - In JRE1.3 this is actually not the native method * - In OpenJDK there is a different method getDeclaredMethods0 * - In JRE 1.4 this seems to be defined in java.lang.reflect.Method */ +/* +java:lang:Class:getDeclaredMethods(?to, ?from) <- MethodSignatureRef:Value(?signature:""), VirtualMethodInvocation:Signature[?invocation] = ?signature, AssignReturnValue[?invocation] = ?to, VirtualMethodInvocation:Base[?invocation] = ?from. +*/ #endif /********************************************************************************** diff -urN doop-r160113-bin/logic/library/reflection-delta.logic elf/logic/library/reflection-delta.logic --- doop-r160113-bin/logic/library/reflection-delta.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/library/reflection-delta.logic 2016-05-07 16:02:11.319508485 +1000 @@ -74,3 +74,240 @@ FieldSignatureRef:Value(?x:?signature), ?strHeap = "", Type:Value(?type:"java.lang.reflect.Field"). + +// place holder ++UnknownClass[?heap] = ?invo, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + java:lang:Class:forName@previous(?invo, _), + Type:Value(?type:"java.lang.Class"), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "". + ++UnknownConstructor[?heap] = ?invo, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + (java:lang:Class:getConstructors@previous(?invo, _); + java:lang:Class:getConstructor@previous(?invo, _, _)), + Type:Value(?type:"java.lang.reflect.Constructor"), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "". + ++UnknownDeclaredConstructor[?heap] = ?invo, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + (java:lang:Class:getDeclaredConstructors@previous(?invo, _); + java:lang:Class:getDeclaredConstructor@previous(?invo, _, _)), + Type:Value(?type:"java.lang.reflect.Constructor"), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "". + ++UnknownMethod[?heap] = ?invo, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + (java:lang:Class:getMethod@previous(?invo, _); + java:lang:Class:getMethods@previous(?invo, _)), + Type:Value(?type:"java.lang.reflect.Method"), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "". + ++UnknownDeclaredMethod[?heap] = ?invo, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + (java:lang:Class:getDeclaredMethod@previous(?invo, _); + java:lang:Class:getDeclaredMethods@previous(?invo, _)), + Type:Value(?type:"java.lang.reflect.Method"), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "". + ++UnknownField[?heap] = ?invo, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + (java:lang:Class:getField@previous(?invo, _); + java:lang:Class:getFields@previous(?invo, _)), + Type:Value(?type:"java.lang.reflect.Field"), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "". + ++UnknownDeclaredField[?heap] = ?invo, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + (java:lang:Class:getDeclaredField@previous(?invo, _); + java:lang:Class:getDeclaredFields@previous(?invo, _)), + Type:Value(?type:"java.lang.reflect.Field"), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "". + +// following place holders are used for the cast that +// class name is unknown but method/field name is string constant ++UnknownResolvedMethod[?heap] = ?name, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + MethodSignature:SimpleName[_] = ?name, + SimpleNameRef:Value(?name:?strName), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Method"). + ++UnknownResolvedDeclaredMethod[?heap] = ?name, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + MethodSignature:SimpleName[_] = ?name, + SimpleNameRef:Value(?name:?strName), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Method"). + ++UnknownResolvedField[?heap] = ?name, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + FieldSignature(_, _, ?name, _), + SimpleNameRef:Value(?name:?strName), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Field"). + ++UnknownResolvedDeclaredField[?heap] = ?name, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + FieldSignature(_, _, ?name, _), + SimpleNameRef:Value(?name:?strName), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Field"). + +// unresolved method/field place holder ++GetMethodHeap[?heap] = ?type, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?methodType + <- + ClassType(?type), + Type:Value(?type:?strType), + ?strHeap = "", + Type:Value(?methodType:"java.lang.reflect.Method"). + ++GetDeclaredMethodHeap[?heap] = ?type, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?methodType + <- + ClassType(?type), + Type:Value(?type:?strType), + ?strHeap = "", + Type:Value(?methodType:"java.lang.reflect.Method"). + ++GetFieldHeap[?heap] = ?type, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?fieldType + <- + ClassType(?type), + Type:Value(?type:?strType), + ?strHeap = "", + Type:Value(?fieldType:"java.lang.reflect.Field"). + ++GetDeclaredFieldHeap[?heap] = ?type, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?fieldType + <- + ClassType(?type), + Type:Value(?type:?strType), + ?strHeap = "", + Type:Value(?fieldType:"java.lang.reflect.Field"). + + +// Array heaps for getMethods and getDeclaredMethods ++GetMethodsHeap[?invo] = ?heap, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + java:lang:Class:getMethods@previous(?invo,_), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Method[]"). + ++GetDeclaredMethodsHeap[?invo] = ?heap, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + java:lang:Class:getDeclaredMethods@previous(?invo,_), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Method[]"). + +// Array heaps for getFields and getDeclaredFields ++GetFieldsHeap[?invo] = ?heap, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + java:lang:Class:getFields@previous(?invo,_), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Field[]"). + ++GetDeclaredFieldsHeap[?invo] = ?heap, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + java:lang:Class:getDeclaredFields@previous(?invo,_), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Field[]"). + +// getConstructors and getDeclaredConstructors ++GetConstructorsHeap[?invo] = ?heap, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + java:lang:Class:getConstructors@previous(?invo,_), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Constructor[]"). + ++GetDeclaredConstructorsHeap[?invo] = ?heap, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?type + <- + java:lang:Class:getDeclaredConstructors@previous(?invo,_), + InstructionRef:Value@previous(?invo:?strInvo), + ?strHeap = "", + Type:Value(?type:"java.lang.reflect.Constructor[]"). + ++ReflectiveArrayHeapAllocation[?invo, ?arrayType] = ?heap, ++InstructionRef:Value(?heap:?strHeap), ++HeapAllocationRef(?heap), ++HeapAllocation:Type[?heap] = ?arrayType + <- + java:lang:reflect:Array:newInstance@previous(?invo, _), + ArrayType(?arrayType), + Type:Value(?arrayType:?strType), + //?strHeap = "". + InstructionRef:Value@prev(?invo:?strInvo), + ?strHeap = "". + diff -urN doop-r160113-bin/logic/library/reflection.logic elf/logic/library/reflection.logic --- doop-r160113-bin/logic/library/reflection.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/library/reflection.logic 2016-05-07 16:04:46.000000000 +1000 @@ -1,109 +1,15 @@ -/************************************************************* - * Reflection analysis - * - * We use a distinct heap abstraction for every java.lang.Class, - * i.e., for every class type that appears in the bytecode, for - * example ''. The predicate ReifiedClass is - * used to look up the heap abstraction for a given type. - * - * This allows us to track the type of a Class object and automate - * newInstance invocations (and in the future java.lang.reflect.Method - * and Constructor invocations as well). - * - * User configuration is required for Class.forName invocations. We - * might implement some string analysis in the future, but most common - * reflection cases use string manipulations for which a - * straightforward string analysis would not help. - * - * Objects created by newInstance invocations are represented by a - * generated heap allocation, a combination of the invocation-site of - * newInstance and the type of the allocated object (see - * reflection-delta.logic). - * - * TODO Note that this analysis currently does not support reflective - * use of reflection. If you really want to, you can hide uses of - * reflection in this way. The issue here is that the current - * code does not consider reflective method invocations, only - * virtual method invocations. For example: - * - * MethodSignatureRef:Value(?getClass:""), - * VirtualMethodInvocation:Signature[?invocation] = ?getClass, - * - * Only checks for invocations of getClass in source code, not in - * method invocations discovered during reflection analysis. - * - * @author Martin Bravenboer - *************************************************************/ - -/************************************************************* - * Object.getClass - * - * stable public interface - * public final native Class getClass() - * - * Although Object.getClass is a reflection operation, it is easy to - * analyse statically, because we know the type of every heap - * allocation. - *************************************************************/ +#include "elf/propagation.logic" +#include "elf/inference.logic" +#include "elf/array.logic" +#include "elf/reflect-stats.logic" -/** - * find uses of getClass - */ -java:lang:Object:getClass(?to, ?from) <- - MethodSignatureRef:Value(?getClass:""), - VirtualMethodInvocation:Signature[?invocation] = ?getClass, - AssignReturnValue[?invocation] = ?to, - VirtualMethodInvocation:Base[?invocation] = ?from. - -/** - * evaluate getClass - */ RecordImmutableMacro(?ctx, ?class, ?immCtx), VarPointsTo(?immCtx, ?class, ?ctx, ?to) <- - java:lang:Object:getClass(?to, ?var), + java:lang:Object:getClass(_, ?to, ?var), VarPointsTo(_, ?heap, ?ctx, ?var), HeapAllocation:Type[?heap] = ?type, ReifiedClass[?type] = ?class. -/************************************************************* - * Class.forName - * - * stable public interface - * public static Class forName(String className) - * public static Class forName(String name, boolean initialize, ClassLoader loader) - * - * native jre1.3 - * private static native Class forName0(String name, boolean initialize, ClassLoader loader) - * - * native openjdk - * private static native Class forName0(String name, boolean initialize, ClassLoader loader) - * - * - * Class.forName is the main fragile point of a static pointer - * analysis. Arbitrary strings can be constructed by the program and - * used as an argument to Class.forName, so we cannot predict which - * classes they correspond to. - * - * Therefore, this is also the main user-configuration point (some - * other points-to analysis implementations configure newInstance, but - * we think Class.forName is the appropriate place) - * - * We do automatically support class name strings that occur as - * constants in the program. For those, configuration is not - * necessary. - *************************************************************/ - -/** - * Find invocations of Class.forName - */ -java:lang:Class:forName(?invocation, ?inmethod) <- - MethodSignatureRef:Value(?forName:""), - StaticMethodInvocation(?invocation, ?forName, ?inmethod). - -java:lang:Class:forName(?invocation, ?inmethod) <- - MethodSignatureRef:Value(?forName:""), - StaticMethodInvocation(?invocation, ?forName, ?inmethod). - /** * Class.forName invocations with user-configured dynamic classes */ @@ -135,157 +41,7 @@ java:lang:Class:forName(?invocation, _). /************************************************************* - * Class.getDeclaredMethods - * - * stable public interface - * public Method[] getMethods() - * public Method getMethod(String name, Class[] parameterTypes) - * public Method[] getDeclaredMethods() - * public Method getDeclaredMethod(String name, Class[] parameterTypes) - * - * jre1.3 - * private native Method[] getMethods0(int which); - * private native Method getMethod0(String name, Class[] parameterTypes, - * - * openjdk - * private native Method[] getDeclaredMethods0(boolean publicOnly); - * - *************************************************************/ - -/** - * find invocations - */ -java:lang:Class:getDeclaredMethod(?to, ?from) <- - MethodSignatureRef:Value(?signature:""), - VirtualMethodInvocation:Signature[?invocation] = ?signature, - AssignReturnValue[?invocation] = ?to, - VirtualMethodInvocation:Base[?invocation] = ?from. - -/** - * evaluate - */ - -RecordMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getDeclaredMethod(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - MethodSignature:Type[?signature] = ?type, - ReifiedMethod[?signature] = ?heap, - ObjectShouldNotBeRefined(?heap). - -#ifdef RecordRefinedMacro -RecordRefinedMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getDeclaredMethod(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - MethodSignature:Type[?signature] = ?type, - ReifiedMethod[?signature] = ?heap, - ObjectShouldBeRefined(?heap). -#endif - -/************************************************************* - * Class.getConstructors - * - * stable public interface - * public Constructor getConstructor(Class[] parameterTypes) - * public Constructor[] getConstructors() - * public Constructor[] getDeclaredConstructors() - * public Constructor getDeclaredConstructor(Class[] parameterTypes) - * - * native jre1.3 - * private native Constructor[] getConstructors0(int which); - * private native Constructor getConstructor0(Class[] parameterTypes, int which) - * - * native openjdk - * private native Constructor[] getDeclaredConstructors0(boolean publicOnly); - * - * Confusingly, the difference between getConstructor and getDeclaredConstructor is - * that getConstructor only considers public constructors. - * - *************************************************************/ - -/** - * find invocations - */ -java:lang:Class:getConstructor(?to, ?from) <- - MethodSignatureRef:Value(?signature:""), - VirtualMethodInvocation:Signature[?invocation] = ?signature, - AssignReturnValue[?invocation] = ?to, - VirtualMethodInvocation:Base[?invocation] = ?from. - -java:lang:Class:getDeclaredConstructor(?to, ?from) <- - MethodSignatureRef:Value(?signature:""), - VirtualMethodInvocation:Signature[?invocation] = ?signature, - AssignReturnValue[?invocation] = ?to, - VirtualMethodInvocation:Base[?invocation] = ?from. - -/** - * evaluate - */ -RecordMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getConstructor(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - MethodSignature:Type[?signature] = ?type, - ModifierRef:Value(?public:"public"), - MethodModifier(?public, ?signature), - ReifiedConstructor[?signature] = ?heap, - ObjectShouldNotBeRefined(?heap). - -RecordMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getDeclaredConstructor(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - MethodSignature:Type[?signature] = ?type, - ReifiedConstructor[?signature] = ?heap, - ObjectShouldNotBeRefined(?heap). - -#ifdef RecordRefinedMacro -RecordRefinedMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getConstructor(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - MethodSignature:Type[?signature] = ?type, - ModifierRef:Value(?public:"public"), - MethodModifier(?public, ?signature), - ReifiedConstructor[?signature] = ?heap, - ObjectShouldBeRefined(?heap). - -RecordRefinedMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getDeclaredConstructor(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - MethodSignature:Type[?signature] = ?type, - ReifiedConstructor[?signature] = ?heap, - ObjectShouldBeRefined(?heap). -#endif - -/************************************************************* * Method.invoke - * - * stable public interface - * public Object invoke(Object obj, Object[] args) - * - * jre1.3 - * public native Object invoke(Object obj, Object[] args) - * - * openjdk - * something way too complicated ... - * - * Notes: - * - * - currently we're simulating the public interface - * - * - The specification of reflective method invocations is - * generic. The logic of this section makes Method.invoke - * available as a reflective method invocation site. - * ************************************************************/ java:lang:reflect:Method:invoke(?invocation, ?base) <- @@ -314,30 +70,6 @@ /************************************************************* * Constructor.newInstance - * - * stable public interface - * public Object newInstance(Object[] initargs) - * - * native jre1.3 - * public native Object newInstance(Object[] initargs) - * - * openjdk - * something way too complicated ... - * - * - * Notes: - * - * - currently we're simulating the public interface - * - * - a constructor does not have a return value, so we do set the - * ReflectiveAssignReturnValue. - * - * - although the return value of newInstance does not necessarily - * get assigned to a local variable, we assume that is the case - * here in prepration of the nice specification language that is - * upcoming (where this will be replaced by a separate heap - * allocation and constructor invocation). - * *************************************************************/ ReflectiveAssignHeapAllocation(?invocation, ?type, ?ctx, ?to), @@ -345,7 +77,9 @@ java:lang:reflect:Constructor:newInstance(?invocation, ?to, ?base), VarPointsTo(_, ?constructor, ?ctx, ?base), // recursive ReifiedConstructor[?signature] = ?constructor, - MethodSignature:Type[?signature] = ?type. + MethodSignature:Type[?signature] = ?type, + ConstructorArgFilter(?invocation, ?signature), + ConstructorCastFilter(?invocation, ?type). ReflectiveBaseVar[?invocation] = ?to <- java:lang:reflect:Constructor:newInstance(?invocation, ?to, _). @@ -355,41 +89,48 @@ ActualParam[?zero, ?invocation] = ?argsParam, ParamIndexRef:Value(?zero:0). +ConstructorArgFilter(?invocation, ?constructor) <- + MatchedNewInstanceArgs(?invocation, ?constructor). + +ConstructorArgFilter(?invocation, ?constructor) <- + java:lang:reflect:Constructor:newInstance(?invocation, _, _), + !ResolvedArgsNewInstance(?invocation), + ReifiedConstructor[?constructor] = _. + +ResolvedArgsNewInstance(?invo) <- + java:lang:reflect:Constructor:newInstance(?invo, _, _), + ReflectiveActualParams[?invo] = ?args, + !UnresolvedReflectiveArgs(?invo, ?args). + +ResolvedArgsNewInstance(?invo) <- + java:lang:reflect:Constructor:newInstance(?invo, _, _), + !ReflectiveActualParams[?invo] = _. + +MatchedNewInstanceArgs(?invo, ?ctor) <- + ResolvedArgsNewInstance(?invo), + !ArgsArrayFlowToInvoke(_, ?invo), + ReifiedConstructor[?ctor] = _, + NrFormalParam[?ctor] = 0. + +MatchedNewInstanceArgs(?invo, ?ctor) <- + ResolvedArgsNewInstance(?invo), + ArgsArrayFlowToInvoke(?argsArray, ?invo), + ReifiedConstructor[?ctor] = _, + NewArraySize[?argsArray] = NrFormalParam[?ctor], + !ArgsArrayHasMismatchedParam(?argsArray, ?ctor). + +ConstructorCastFilter(?invo, ?type) <- + java:lang:reflect:Constructor:newInstance(?invo, _, _), + ! ConstructorNewInstanceCast(?invo, _), + ClassType(?type), + ! AbstractClass(?type). + +ConstructorCastFilter(?invo, ?type) <- + ConstructorNewInstanceCast(?invo, ?castType), + NewableSubtype(?castType, ?type). + /************************************************************* * Class.newInstance - * - * stable public interface - * public Object newInstance() - * - * native jre1.3 - * private native Object newInstance0() - * - * native openjdk - * none, implemented in java using java.lang.reflect.Constructor.newInstance - * - * Notes: - * - * - Currently we're simulating the public interface - * - * - For the OpenJDK there is a duplication of simulating, since we - * also simulate reflective constructor invocations. We'll soon - * sort out what needs to be in #ifdefs exactly. - * - * - Class.newInstance is handled completely automatically. not - * requiring any user-configuration. The reason why this is - * possible is that we use a distinct heap abstraction for every - * Class object of a distinct class. - * - * - * TODO This should really be replaced by assignments to method - * declaration return values, but the JRE differences make this - * slightly complicated right now: this would be restricted to - * JRE1.3 - * - * TODO For JRE1.4 and higher this should be replaced by a more - * general simulation of reflective access to constructors - * (newInstance is no longer native there). - * *************************************************************/ // (YANNIS) Simple optimization predicate. It matters. This used @@ -403,93 +144,33 @@ MethodDescriptorRef:Value(?descriptor:"void()"), SimpleNameRef:Value(?simplename:""). + ReflectiveAssignHeapAllocation(?invocation, ?type, ?ctx, ?to), ReflectiveSpecialMethodInvocation(?ctx, ?invocation, ?constructor) <- java:lang:Class:newInstance(?invocation, ?to, ?var), VarPointsTo(_, ?class, ?ctx, ?var), OptClassToConstructor(?constructor, ?class), - MethodSignature:Type[?constructor] = ?type. + MethodSignature:Type[?constructor] = ?type, + ClassNewInstanceCastFilter(?invocation, ?type). ReflectiveBaseVar[?invocation] = ?to <- java:lang:Class:newInstance(?invocation, ?to, _). -/************************************************************* - * Class.getFields - * - * stable public interface - * public Field getDeclaredField(String name) - * public Field[] getDeclaredFields() - * public Field getField(String name) - * public Field[] getFields() - * - * native jre1.3 - * private native Field getField0(String name, int which) - * private native Field[] getFields0(int which) - * - * native openjdk - * private native Field[] getDeclaredFields0(boolean publicOnly) - * - * Notes: - * - * - getDeclaredField will not reflect the length field of an - * array class (nor will getDeclaredFields, getField and - * getFields, although that is not documented). - * - * TODO getField is often used with a constant string literal - * argument. We should optimize for that. - * - *************************************************************/ - -/** - * find invocations - */ -java:lang:Class:getDeclaredField(?to, ?from) <- - MethodSignatureRef:Value(?signature:""), - VirtualMethodInvocation:Signature[?invocation] = ?signature, - AssignReturnValue[?invocation] = ?to, - VirtualMethodInvocation:Base[?invocation] = ?from. - -/** - * evaluate - */ -RecordMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getDeclaredField(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - Field:DeclaringClass[?signature] = ?type, - ReifiedField[?signature] = ?heap, - ObjectShouldNotBeRefined(?heap). - -#ifdef RecordRefinedMacro -RecordRefinedMacro(?ctx, ?heap, ?hctx), -VarPointsTo(?hctx, ?heap, ?ctx, ?to) <- - java:lang:Class:getDeclaredField(?to, ?from), - VarPointsTo(_, ?class, ?ctx, ?from), - ReifiedClass[?type] = ?class, - Field:DeclaringClass[?signature] = ?type, - ReifiedField[?signature] = ?heap, - ObjectShouldBeRefined(?heap). -#endif +ClassNewInstanceCastFilter(?invo, ?type) <- + java:lang:Class:newInstance(?invo, _, _), + ! ClassNewInstanceCast(?invo, _), + ClassType(?type), + ! AbstractClass(?type). + +ClassNewInstanceCastFilter(?invo, ?type) <- + ClassNewInstanceCast(?invo, ?castType), + NewableSubtype(?castType, ?type). /************************************************************* * Field.get - * - * stable public interface - * public Object get(Object) - * *************************************************************/ -/** - * Find invocations - * - * Notes: - * - at this point, we cannot distinguish static fields from instance - * fields. - * - * TODO refactor to have separate predicates. - */ java:lang:reflect:Field:get(?invocation, ?to, ?field) <- MethodSignatureRef:Value(?signature:""), VirtualMethodInvocation:Signature[?invocation] = ?signature, @@ -505,7 +186,6 @@ ActualParam[?zero, ?invocation] = ?base, ParamIndexRef:Value(?zero:0). - /** * Reflective load of field (instance or static) */ @@ -521,17 +201,6 @@ /** * Load of static field. - * - * Notes: - * - * - For static fields, the actual argument of a call to get is not - * relevant. - * - * - The context of the reified field heap object does not matter: - * it has no fields whose value is determined by the context of - * the allocation. - * - * TODO Check if class initialization handled by reflective.logic. */ ReflectiveLoadStaticField(?ctx, ?to, ?signature) <- ReflectiveLoadField(_, ?ctx, ?to, ?signature), @@ -549,10 +218,6 @@ /************************************************************* * Field.set - * - * stable public interface - * public void set(Object, Object) - * *************************************************************/ /** diff -urN doop-r160113-bin/logic/library/reflective.logic elf/logic/library/reflective.logic --- doop-r160113-bin/logic/library/reflective.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/library/reflective.logic 2016-05-07 16:02:11.319508485 +1000 @@ -187,7 +187,7 @@ MethodSignature:Descriptor[?signature] = ?descriptor, MethodLookup[?simplename, ?descriptor, ?heaptype] = ?tomethod, ThisVar[?tomethod] = ?this. - + /** * Return values of reflective method invocations */ @@ -265,9 +265,26 @@ /** * TODO it's unfortunate this code is so similar to normal LoadArrayIndex. */ +/** + * Original predicate name LoadHeapArrayIndex is replaced by + * ReflectiveLoadHeapArrayIndex. The relative change is reflected in context-sensitive.logic. + * The original implementation causes reflective parameters assign failed. + */ +ReflectiveLoadHeapArrayIndex(?calleeCtx, ?to, ?basehctx, ?baseheap) -> + Context(?calleeCtx), + VarRef(?to), + HContext(?basehctx), + HeapAllocationRef(?baseheap). + +ReflectiveLoadHeapArrayIndex(?calleeCtx, ?to, ?basehctx, ?baseheap) <- + ReflectiveLoadArrayIndex(?calleeCtx, ?to, ?callerCtx, ?base), + VarPointsTo(?basehctx, ?baseheap, ?callerCtx, ?base). + +/* LoadHeapArrayIndex(?calleeCtx, ?to, ?basehctx, ?baseheap) <- ReflectiveLoadArrayIndex(?calleeCtx, ?to, ?callerCtx, ?base), VarPointsTo(?basehctx, ?baseheap, ?callerCtx, ?base). +*/ /************************************************************* @@ -298,7 +315,9 @@ StaticFieldPointsTo(?hctx, ?heap, ?signature) <- ReflectiveStoreStaticField(?signature, ?ctx, ?var), - VarPointsTo(?hctx, ?heap, ?ctx, ?var). + VarPointsTo(?hctx, ?heap, ?ctx, ?var), + FieldSignature(?signature, _, _, ?type), + AssignCompatible(?type, HeapAllocation:Type[?heap]). /************************************************************* * @@ -324,6 +343,12 @@ Context(?fromCtx), VarRef(?from), Context(?baseCtx), VarRef(?base), FieldSignatureRef(?signature). -StoreHeapInstanceField(?signature, ?basehctx, ?baseheap, ?fromCtx, ?from) <- +ReflectiveStoreHeapInstanceField(?signature, ?basehctx, ?baseheap, ?fromCtx, ?from) <- ReflectiveStoreInstanceField(?fromCtx, ?from, ?signature, ?baseCtx, ?base), VarPointsTo(?basehctx, ?baseheap, ?baseCtx, ?base). + +InstanceFieldPointsTo(?hctx, ?heap, ?signature, ?basehctx, ?baseheap) <- + ReflectiveStoreHeapInstanceField(?signature, ?basehctx, ?baseheap, ?ctx, ?from), + VarPointsTo(?hctx, ?heap, ?ctx, ?from), + FieldSignature(?signature, _, _, ?fieldType), + AssignCompatible(?fieldType, HeapAllocation:Type[?heap]). diff -urN doop-r160113-bin/logic/library/string-constants.logic elf/logic/library/string-constants.logic --- doop-r160113-bin/logic/library/string-constants.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/library/string-constants.logic 2016-05-07 16:02:11.323508485 +1000 @@ -71,9 +71,14 @@ HeapAllocation:Merge[?heap] = ?constant <- StringConstant(?heap), ! ClassNameStringConstant(?heap), + ! MethodNameStringConstant(?heap), + ! FieldNameStringConstant(?heap), HeapAllocationValue(?constant, "<>"). HeapAllocation:ContextInsensitive(?heap) <- +// distinguish method name and field name + MethodNameStringConstant(?heap); + FieldNameStringConstant(?heap); ClassNameStringConstant(?heap). #endif @@ -101,6 +106,37 @@ InstructionRef:Value(?heap:?string), ReferenceType(?type), Type:Value(?type:?string). + +MethodNameStringConstant(?heap) -> + HeapAllocationRef(?heap). + +MethodNameStringConstant:SimpleName[?heap] = ?simpleName -> + HeapAllocationRef(?heap), + SimpleNameRef(?simpleName). + +FieldNameStringConstant(?heap) -> + HeapAllocationRef(?heap). + +FieldNameStringConstant:SimpleName[?heap] = ?simpleName -> + HeapAllocationRef(?heap), + SimpleNameRef(?simpleName). + +MethodNameStringConstant(?heap), +MethodNameStringConstant:SimpleName[?heap] = ?simpleName + <- + StringConstant(?heap), + InstructionRef:Value(?heap:?string), + MethodSignature:SimpleName[_] = ?simpleName, + SimpleNameRef:Value(?simpleName:?string). + +FieldNameStringConstant(?heap), +FieldNameStringConstant:SimpleName[?heap] = ?simpleName + <- + StringConstant(?heap), + InstructionRef:Value(?heap:?string), + FieldSignature(_, _, ?simpleName, _), + SimpleNameRef:Value(?simpleName:?string). + #endif /************************************************************* @@ -151,8 +187,8 @@ //TypeToHeap2(?heap, ?heaptype) <- // HeapAllocation:Type[?heap] = ?heaptype, - // Type:Value(?throw:"java.lang.Throwable"), - // AssignCompatible(?throw, ?heaptype), + // Type:Value(?throw:"java.lang.Throwable"), + // AssignCompatible(?throw, ?heaptype), // ExceptionHandler:Type[_] = ?handlertype, // AssignCompatible(?handlertype, ?heaptype). diff -urN doop-r160113-bin/logic/library.logic elf/logic/library.logic --- doop-r160113-bin/logic/library.logic 2013-01-16 07:31:46.000000000 +1100 +++ elf/logic/library.logic 2016-05-07 16:02:11.323508485 +1000 @@ -150,7 +150,6 @@ Field:Type[?signature] = ?type <- FieldSignature(?signature, _, _, ?type). - /** * Joins of input facts, useful for performance reasons. */ diff -urN doop-r160113-bin/run elf/run --- doop-r160113-bin/run 2013-01-16 07:38:09.000000000 +1100 +++ elf/run 2016-05-07 16:02:11.323508485 +1000 @@ -20,6 +20,7 @@ ${C_YELLOW}-jre1.4${C_RESET} Use jre1.4 (default: system) ${C_YELLOW}-jre1.5${C_RESET} Use jre1.5 (default: system) ${C_YELLOW}-jre1.6${C_RESET} Use jre1.6 (default: system) + ${C_YELLOW}-jre1.7${C_RESET} Use jre1.7 (default: system) ${C_YELLOW}-os NAME${C_RESET} Specify the operating system to simulate (win32, winnt, unix, default: unix) ${C_YELLOW}-stats${C_RESET} Load additional logic for collecting statistics ${C_YELLOW}-sanity${C_RESET} Load additional logic for sanity checks @@ -135,7 +136,7 @@ export LD_LIBRARY_PATH=$LOGICBLOX_HOME/bin:$LD_LIBRARY_PATH bloxbatch="$LOGICBLOX_HOME/bin/bloxbatch" - +#bloxbatch="$LOGICBLOX_HOME/bin/lb" # - use lb to replace bloxbatch # defaults for options CPPFLAGS_EXCEPTIONS="-DEXCEPTIONS_PRECISE" CPPFLAGS_PADDLE_COMPAT="" @@ -152,11 +153,11 @@ sanity="false" stats="false" transformInput="false" -ssa="false" classlib="system" mainclass="" os="unix" dynamics="" +genSootLog="false" logicProfile="" logLevel="" refine="false" @@ -255,10 +256,6 @@ transformInput="true" shift 1 ;; - "-ssa") - ssa="true" - shift 1 - ;; "-cache") cache="true" shift 1 @@ -273,7 +270,7 @@ mainclass="$1" shift 1 ;; - "-jre1.3" | "-jre1.4" | "-jre1.5" | "-jre1.6") + "-jre1.3" | "-jre1.4" | "-jre1.5" | "-jre1.6" | "-jre1.7" ) classlib="${1:1:6}" shift 1 ;; @@ -295,6 +292,10 @@ dynamics="${dynamics} $1" shift 1 ;; + "-generate-soot-reflection-log") + genSootLog="true" + shift 1 + ;; "-logicProfile") shift 1 logicProfile="-logicProfile $1" @@ -355,6 +356,9 @@ "jre1.6") CPPFLAGS_JRE="-DJRE16" ;; + "jre1.7") + CPPFLAGS_JRE="-DJRE17" + ;; "system") CPPFLAGS_JRE="-DJRE16" ;; @@ -467,7 +471,7 @@ function benchmark() { - timeLimit=5400 + timeLimit=10800 echo "..." printf "${C_YELLOW}MBBENCH logicblox START${C_RESET}\n" @@ -490,6 +494,7 @@ function singleRun() { if test $singleRun = "true"; then + #bloxbatchRunning=`ps -ef | grep lb | { grep -v grep || true; }` bloxbatchRunning=`ps -ef | grep bloxbatch | { grep -v grep || true; }` if test "x${bloxbatchRunning}" != "x"; then echo -n 'WARNING: Bloxbatch is already running. ' @@ -547,9 +552,6 @@ | sha256sum | awk '{print $1}') suffix="" - if test $ssa = "true"; then - suffix="-ssa" - fi if test $transformInput = "true"; then suffix=$suffix"-transformInput" fi @@ -579,16 +581,13 @@ sootFactGenArgs="" - if test $ssa = "true"; then - sootFactGenArgs="$sootFactGenArgs -ssa" - fi - if test $phantom = "true"; then sootFactGenArgs="$sootFactGenArgs -allow-phantom" fi - timing java -cp lib/sootclasses-2.3.0.jar:lib/soot-fact-generation.jar Main \ - -main $mainclass $sootFactGenArgs -full $(./jre-link-arguments $classlib) -d tmp/facts $jars $depargs + # use sootclasses-2.5.0 to replace soot 2.3 + timing java -cp lib/sootclasses-2.5.0.jar:lib/soot-fact-generation.jar Main \ + -main $mainclass $sootFactGenArgs -ssa -full $(./jre-link-arguments $classlib) -d tmp/facts $jars $depargs mkdir -p $cachefacts mv tmp/facts/* $cachefacts @@ -613,6 +612,7 @@ echo "setting main class to $mainclass" $bloxbatch -db $cachedatabase -execute "+MainClass(x) <- ClassType(x), Type:Value(x:\"$mainclass\")." + fi mkdir -p $(dirname $database) @@ -841,6 +841,13 @@ fi } +function gen-soot-reflection-log() +{ + printf "${C_WHITE}generating reflection log for Soot at ${C_GREEN}%s${C_RESET}\n" "$mainclass.log" + python scripts/get-refl-targets.py $mainclass $database tmp + python scripts/soot-converter.py $mainclass $database tmp +} + function show-stats() { ./stats-simple $database @@ -1009,6 +1016,11 @@ run-stats link-result + +if test $genSootLog = "true"; then + gen-soot-reflection-log +fi + show-stats if test -e logic/$analysis/refinement-delta.logic; then diff -urN doop-r160113-bin/scripts/get-refl-targets.py elf/scripts/get-refl-targets.py --- doop-r160113-bin/scripts/get-refl-targets.py 1970-01-01 10:00:00.000000000 +1000 +++ elf/scripts/get-refl-targets.py 2016-05-07 16:05:49.000000000 +1000 @@ -0,0 +1,82 @@ +#!/usr/bin/python + +# ELF - Self-Inferencing Reflection Resolution for Java +# +# Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +import os, sys +from collections import OrderedDict + +cmd_dict = { + 'forname':"bloxbatch -db %s -query \ + '_(?invo, ?type) <- ReflectiveAssignClassConstant(_, ?invo, ?type), \ + java:lang:Class:forName(?invo, _).' \ + | sort", + 'cnew':'bloxbatch -db %s -query ClassNewInstanceResults | sort', + 'ctornew':'bloxbatch -db %s -query ConstructorNewInstanceResults | sort', + 'get':'bloxbatch -db %s -query FieldGetResults | sort', + 'set':'bloxbatch -db %s -query FieldSetResults | sort', + 'invo':'bloxbatch -db %s -query InvokeResults | sort', +} + +def Run(bm, db, result_dir): + # Get reflection anlaysis results + if os.path.isdir(db): + for k, v in cmd_dict.items(): + output = os.path.join(result_dir, '%s.%s' % (bm, k)) + cmd = v % (db) + '>' + output + os.system(cmd) + + # Output resolved reflective call sites + calls = OrderedDict() + calls['cnew'] = 'Class.newInstance' + calls['ctornew'] = 'Constructor.newInstance' + calls['invo'] = 'Method.invoke' + calls['get'] = 'Field.get*' + calls['set'] = 'Field.set*' + + fout = open(os.path.join(result_dir, bm + '.resolved'), 'w') + for call, call_name in calls.items(): + result_dict = OrderedDict() + fin = open(os.path.join(result_dir, bm + '.' + call)) + for line in fin: + if line.strip() != '': + [callsite, target] = line.strip().split(', ') + if result_dict.has_key(callsite): + result_dict[callsite] += 1 + else: + result_dict[callsite] = 1 + fin.close() + + fout.write('[%s]:\n' % (call_name)) + for callsite, count in result_dict.items(): + fout.write('%s, %d\n' % (callsite, count)) + fout.write('\n') + fout.close() + + +def PrintUsage(): + print '[Usage]: ./get-refl-target.py bm db result_dir' + +if __name__ == '__main__': + try: + bm = sys.argv[1] + db = sys.argv[2] + result_dir = sys.argv[3] + Run(bm, db, result_dir) + except Exception: + PrintUsage() + raise diff -urN doop-r160113-bin/scripts/soot-converter.py elf/scripts/soot-converter.py --- doop-r160113-bin/scripts/soot-converter.py 1970-01-01 10:00:00.000000000 +1000 +++ elf/scripts/soot-converter.py 2016-05-07 16:34:05.000000000 +1000 @@ -0,0 +1,110 @@ +#!/usr/bin/python + +# ELF - Self-Inferencing Reflection Resolution for Java +# +# Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +# Convert reflection analysis results to the format which can be recognized by Soot + +import os, sys +from collections import OrderedDict + +ref_calls = OrderedDict() +ref_calls['forname'] = 'Class.forName' +ref_calls['cnew'] = 'Class.newInstance' +ref_calls['ctornew'] = 'Constructor.newInstance' +ref_calls['invo'] = 'Method.invoke' +ref_calls['get'] = 'Field.get*' +ref_calls['set'] = 'Field.set*' + +class Converter: + def __init__(self, bm, db, result_dir): + self.bm = bm + self.db = db + self.result_dir = result_dir + self.target_map = {} # key: call, value: (callsite -> targets) + self.lineno_map = {} # key: callsite, value: lineno + + def ReadTargets(self, call): + if not self.target_map.has_key(call): + f = open('%s/%s.%s' % (self.result_dir, self.bm, call)) + m = {} + for line in f: + [cs, target] = line.strip().split(', ') + if m.has_key(cs): m[cs].append(target) + else: m[cs] = [target] + f.close() + self.target_map[call] = m + + def ReadLineNumberOfCallsite(self): + def IsReflCall(callsite): + for ref_call in ref_calls.values(): + if ref_call.strip('*') in callsite: + return True + return False + if len(self.lineno_map) == 0: + ln_file = '%s/%s.ln' % (self.result_dir, self.bm) + os.system('bloxbatch -db %s -query MethodInvocationLineNumber > %s' % (self.db, ln_file)) + f = open(ln_file) + for line in f: + [callsite, lineno] = line.strip().split(', ') + if IsReflCall(callsite): + if lineno != '0': + self.lineno_map[callsite] = lineno + else: + print 'Unknown line number in %s: callsite [%s]' % (self.bm, callsite) + + def RemoveDescriptor(self, sig): + cls = sig.split(':')[0][1:] + name = sig.split(' ')[2].split('(')[0] + return cls + '.' + name + + def ConvertCallSite(self, callsite, target, ln): + for ref_call in ref_calls.values(): + if ref_call.strip('*') in callsite.split('/')[1]: + caller = callsite.split('/')[0] + if caller.startswith('<'): caller = self.RemoveDescriptor(caller) + return '%s;%s;%s;%s;;' % (ref_call, target, caller, ln) + + def Convert(self, out): + for ref_call in ref_calls.keys(): + self.ReadTargets(ref_call) + self.ReadLineNumberOfCallsite() + fout = open(out, 'w') + for call in ref_calls.keys(): + for callsite, targets in self.target_map[call].items(): + if self.lineno_map.has_key(callsite): + ln = self.lineno_map[callsite] + for target in targets: + entry = self.ConvertCallSite(callsite, target, ln) + if entry is not None: + fout.write(entry + '\n') + fout.close() + +def PrintUsage(): + print '[Usage]: ./soot-converter.py bm db dir' + +if __name__ == '__main__': + try: + bm = sys.argv[1] + db = sys.argv[2] + result_dir = sys.argv[3] + converter = Converter(bm, db, result_dir) + converter.Convert('%s.log' % bm) + except Exception: + PrintUsage() + raise diff -urN doop-r160113-bin/stats-simple elf/stats-simple --- doop-r160113-bin/stats-simple 2013-01-16 07:31:45.000000000 +1100 +++ elf/stats-simple 2016-05-07 16:02:11.323508485 +1000 @@ -17,38 +17,48 @@ function print2() { - printf "%-80s %'d\n" "$1" "$2" + printf "%-50s %'d\n" "$1" "$2" + printf "%-50s %'d\n" "$1" "$2" >> tmp/temp.lb& } function print3() { - printf "%-80s %'d (insens) / %'d (sens)\n" "$1" "$2" "$3" + printf "%-50s %'d (insens) / %'d (sens)\n" "$1" "$2" "$3" + printf "%-50s %'d (insens) / %'d (sens)\n" "$1" "$2" "$3" >> tmp/temp.lb& } +function print4() +{ + printf "%-50s %'d (C:callsites) / %'d (T:targets)\n" "$1" "$2" "$3" +} -print3 "var points-to" $(size Stats:Simple:InsensVarPointsTo) $(size VarPointsTo) -print3 "array index points-to" $(size Stats:Simple:InsensArrayIndexPointsTo) $(size ArrayIndexPointsTo) -print3 "call graph edges" $(size Stats:Simple:InsensCallGraphEdge) $(size CallGraphEdge) -# print3 "native call graph edges" $(size Stats:Simple:InsensNativeCallGraphEdge) $(size NativeCallGraphEdge) -print3 "instance field points-to" $(size Stats:Simple:InsensInstanceFieldPointsTo) $(size InstanceFieldPointsTo) -print3 "reachable methods" $(size Reachable) $(size ReachableContext) +#print3 "var points-to" $(size Stats:Simple:InsensVarPointsTo) $(size VarPointsTo) +#print3 "refine var points-to" $(size InsensRefineVarPointsTo) $(size RefineVarPointsTo) +print3 "var points-to" $(size InsensRefineVarPointsTo) $(size RefineVarPointsTo) print3 "reachable variables" $(size Stats:Simple:InsensReachableVar) $(size Stats:Simple:ReachableVar) -print3 "static field points-to" $(size Stats:Simple:InsensStaticFieldPointsTo) $(size StaticFieldPointsTo) +#print3 "array index points-to" $(size Stats:Simple:InsensArrayIndexPointsTo) $(size ArrayIndexPointsTo) +print3 "regular call graph edges" $(size Stats:Simple:InsensCallGraphEdge) $(size CallGraphEdge) +print3 "reflective call graph edges" $(size InsensReflectiveCallGraphEdge) $(size ReflectiveCallGraphEdge) -print2 "virtual call sites (statically)" $(size VirtualMethodInvocation:In) +#print3 "native call graph edges" $(size Stats:Simple:InsensNativeCallGraphEdge) $(size NativeCallGraphEdge) +#print3 "instance field points-to" $(size Stats:Simple:InsensInstanceFieldPointsTo) $(size InstanceFieldPointsTo) +print3 "reachable methods" $(size Reachable) $(size ReachableContext) +#print3 "static field points-to" $(size Stats:Simple:InsensStaticFieldPointsTo) $(size StaticFieldPointsTo) + +#print2 "virtual call sites (statically)" $(size VirtualMethodInvocation:In) print2 "reachable virtual call sites" $(size Stats:Simple:ReachableVirtualMethodInvocation) print2 "polymorphic virtual call sites" $(size Stats:Simple:PolymorphicCallSite) -print2 "null virtual call sites" $(size Stats:Simple:NullVirtualMethodInvocation) -print2 "app virtual call sites (statically)" $(size Stats:Simple:Application:VirtualMethodInvocation) -print2 "app reachable virtual call sites" $(size Stats:Simple:Application:ReachableVirtualMethodInvocation) -print2 "app polymorphic virtual call sites" $(size Stats:Simple:Application:PolymorphicCallSite) -print2 "app null virtual call sites" $(size Stats:Simple:Application:NullVirtualMethodInvocation) -print2 "casts (statically)" $(size AssignCast) +#print2 "null virtual call sites" $(size Stats:Simple:NullVirtualMethodInvocation) +#print2 "app virtual call sites (statically)" $(size Stats:Simple:Application:VirtualMethodInvocation) +#print2 "app reachable virtual call sites" $(size Stats:Simple:Application:ReachableVirtualMethodInvocation) +#print2 "app polymorphic virtual call sites" $(size Stats:Simple:Application:PolymorphicCallSite) +#print2 "app null virtual call sites" $(size Stats:Simple:Application:NullVirtualMethodInvocation) +#print2 "casts (statically)" $(size AssignCast) print2 "reachable casts" $(size Stats:Simple:ReachableCast) print2 "reachable casts that may fail" $(size Stats:Simple:PotentiallyFailingCast) -print2 "app casts (statically)" $(size Stats:Simple:Application:Cast) -print2 "app reachable casts" $(size Stats:Simple:Application:ReachableCast) -print2 "app reachable casts that may fail" $(size Stats:Simple:Application:PotentiallyFailingCast) +#print2 "app casts (statically)" $(size Stats:Simple:Application:Cast) +#print2 "app reachable casts" $(size Stats:Simple:Application:ReachableCast) +#print2 "app reachable casts that may fail" $(size Stats:Simple:Application:PotentiallyFailingCast) # print2 "array type" $(size ArrayType) # print2 "direct superclass" $(size DirectSuperclass) @@ -59,3 +69,7 @@ # print2 "superclass" $(size Superclass) # print2 "superinterface" $(size Superinterface) # print2 "variables" $(size VarRef) + +print4 "method invoke" $(size ResolvedInvoke) $(size InvokeResults) +print4 "field get" $(size ResolvedFieldGet) $(size FieldGetResults) +print4 "field set" $(size ResolvedFieldSet) $(size FieldSetResults) gen.patch0000700000175400017540000031534112713475057011713 0ustar tianttiantELF - Self-Inferencing Reflection Resolution for Java Copyright (C) 2014 Yue Li, Tian Tan, Jingling Xue This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . diff -urN soot-fact-generation-r958-src/compile elf-gen/compile --- soot-fact-generation-r958-src/compile 2009-06-05 22:41:56.000000000 +1000 +++ elf-gen/compile 2015-06-14 19:56:46.156125151 +1000 @@ -2,7 +2,7 @@ set -e -cp=$DOOP_HOME/lib/sootclasses-2.3.0.jar +cp=$DOOP_HOME/lib/sootclasses-2.5.0.jar mkdir -p build/content javac -Xlint -cp $cp -d build/content $(find src -name '*.java') diff -urN soot-fact-generation-r958-src/src/FactGenerator.java elf-gen/src/FactGenerator.java --- soot-fact-generation-r958-src/src/FactGenerator.java 2009-06-03 01:40:01.000000000 +1000 +++ elf-gen/src/FactGenerator.java 2015-06-14 20:04:27.000000000 +1000 @@ -1,521 +1,593 @@ -import soot.jimple.*; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import java.util.Map; + import soot.Body; import soot.Local; import soot.Modifier; import soot.PrimType; +import soot.Printer; +import soot.Scene; import soot.SootClass; import soot.SootField; import soot.SootMethod; +import soot.SourceLocator; import soot.Trap; +import soot.Type; import soot.Unit; import soot.Value; +import soot.jimple.ArrayRef; +import soot.jimple.AssignStmt; +import soot.jimple.BinopExpr; +import soot.jimple.CastExpr; +import soot.jimple.CaughtExceptionRef; +import soot.jimple.ClassConstant; +import soot.jimple.DoubleConstant; +import soot.jimple.FloatConstant; +import soot.jimple.IdentityStmt; +import soot.jimple.InstanceFieldRef; +import soot.jimple.InstanceOfExpr; +import soot.jimple.IntConstant; +import soot.jimple.InvokeExpr; +import soot.jimple.InvokeStmt; +import soot.jimple.LengthExpr; +import soot.jimple.LongConstant; +import soot.jimple.NegExpr; +import soot.jimple.NewArrayExpr; +import soot.jimple.NewExpr; +import soot.jimple.NewMultiArrayExpr; +import soot.jimple.NullConstant; +import soot.jimple.ParameterRef; +import soot.jimple.ReturnStmt; +import soot.jimple.StaticFieldRef; +import soot.jimple.Stmt; +import soot.jimple.StringConstant; +import soot.jimple.ThisRef; +import soot.jimple.ThrowStmt; +import soot.options.Options; import soot.shimple.PhiExpr; import soot.shimple.Shimple; +import soot.tagkit.LineNumberTag; +import soot.tagkit.SourceLnPosTag; /** - * Traverses Soot classes and invokes methods in FactWriter to - * generate facts. The class FactGenerator is the main class - * controlling what facts are generated. + * Traverses Soot classes and invokes methods in FactWriter to generate facts. + * The class FactGenerator is the main class controlling what facts are + * generated. * * @author Martin Bravenboer + * @author Yue Li + * @author Tian Tan * @license MIT */ -public class FactGenerator -{ - private FactWriter _writer; - private boolean _ssa; - - public FactGenerator(FactWriter writer, boolean ssa) - { - _writer = writer; - _writer.writeStandardFacts(); - _ssa = ssa; - } - - public void generate(SootClass c) - { - _writer.writeClassOrInterfaceType(c); - - // the isInterface condition prevents Object as superclass of interface - if(c.hasSuperclass() && !c.isInterface()) - { - _writer.writeDirectSuperclass(c, c.getSuperclass()); - } - - for(SootClass i : c.getInterfaces()) - { - _writer.writeDirectSuperinterface(c, i); - } - - for(SootField f : c.getFields()) - { - generate(f); - } - - for(SootMethod m : c.getMethods()) - { - Session session = new Session(); - generate(m, session); - } - } - - public void generate(SootField f) - { - _writer.writeFieldSignature(f); - - int modifiers = f.getModifiers(); - if(Modifier.isAbstract(modifiers)) - _writer.writeFieldModifier(f, "abstract"); - if(Modifier.isFinal(modifiers)) - _writer.writeFieldModifier(f, "final"); - if(Modifier.isNative(modifiers)) - _writer.writeFieldModifier(f, "native"); - if(Modifier.isPrivate(modifiers)) - _writer.writeFieldModifier(f, "private"); - if(Modifier.isProtected(modifiers)) - _writer.writeFieldModifier(f, "protected"); - if(Modifier.isPublic(modifiers)) - _writer.writeFieldModifier(f, "public"); - if(Modifier.isStatic(modifiers)) - _writer.writeFieldModifier(f, "static"); - if(Modifier.isSynchronized(modifiers)) - _writer.writeFieldModifier(f, "synchronized"); - if(Modifier.isTransient(modifiers)) - _writer.writeFieldModifier(f, "transient"); - if(Modifier.isVolatile(modifiers)) - _writer.writeFieldModifier(f, "volatile"); - // TODO interface? - // TODO strictfp? - // TODO annotation? - // TODO enum? - } - - public void generate(SootMethod m, Session session) - { - if (m.isPhantom()) - return; - - _writer.writeMethodDeclaration(m); - _writer.writeMethodSignature(m); - - int modifiers = m.getModifiers(); - if(Modifier.isAbstract(modifiers)) - _writer.writeMethodModifier(m, "abstract"); - if(Modifier.isFinal(modifiers)) - _writer.writeMethodModifier(m, "final"); - if(Modifier.isNative(modifiers)) - _writer.writeMethodModifier(m, "native"); - if(Modifier.isPrivate(modifiers)) - _writer.writeMethodModifier(m, "private"); - if(Modifier.isProtected(modifiers)) - _writer.writeMethodModifier(m, "protected"); - if(Modifier.isPublic(modifiers)) - _writer.writeMethodModifier(m, "public"); - if(Modifier.isStatic(modifiers)) - _writer.writeMethodModifier(m, "static"); - if(Modifier.isSynchronized(modifiers)) - _writer.writeMethodModifier(m, "synchronized"); - // TODO would be nice to have isVarArgs in Soot - if(Modifier.isTransient(modifiers)) - _writer.writeMethodModifier(m, "varargs"); - // TODO would be nice to have isBridge in Soot - if(Modifier.isVolatile(modifiers)) - _writer.writeMethodModifier(m, "bridge"); - // TODO interface? - // TODO strictfp? - // TODO annotation? - // TODO enum? - - if(!m.isStatic()) - { - _writer.writeThisVar(m); - } - - if(m.isNative()) - { - _writer.writeNativeReturnVar(m); - } - - for(int i = 0 ; i < m.getParameterCount(); i++) - { - _writer.writeFormalParam(m, i); - } - - for(SootClass clazz: m.getExceptions()) - { - _writer.writeMethodDeclarationException(m, clazz); - } - - if(!(m.isAbstract() || m.isNative())) - { - if(!m.hasActiveBody()) - { - m.retrieveActiveBody(); - } - - Body b = m.getActiveBody(); - if(_ssa) - { - b = Shimple.v().newBody(b); - m.setActiveBody(b); - } - - generate(m, b, session); - - m.releaseActiveBody(); - } - } - - public void generate(SootMethod m, Body b, Session session) - { - b.validate(); - session.numberUnits(b.getUnits().iterator()); - - for(Local l : b.getLocals()) - { - _writer.writeLocal(m, l); - } - - IrrelevantStmtSwitch sw = new IrrelevantStmtSwitch(); - for(Unit u : b.getUnits()) - { - session.setCurrentUnit(u); - - Stmt stmt = (Stmt) u; - - stmt.apply(sw); - - if(sw.relevant) - { - if(stmt instanceof AssignStmt) - { - generate(m, (AssignStmt) stmt, session); - } - else if(stmt instanceof IdentityStmt) - { - generate(m, (IdentityStmt) stmt); - } - else if(stmt instanceof InvokeStmt) - { - _writer.writeInvoke(m, ((InvokeStmt) stmt).getInvokeExpr(), session); - } - else if(stmt instanceof ReturnStmt) - { - generate(m, (ReturnStmt) stmt, session); - } - else if(stmt instanceof ThrowStmt) - { - generate(m, (ThrowStmt) stmt, session); - } - else - { - throw new RuntimeException("Cannot handle statement: " + stmt); - } - } - } - - Trap previous = null; - for(Trap t : b.getTraps()) - { - _writer.writeExceptionHandler(m, t, session); - if(previous != null) - { - _writer.writeExceptionHandlerPrevious(m, t, previous, session); - } - - previous = t; - } - } - - /** - * Assignment statement - */ - public void generate(SootMethod inMethod, AssignStmt stmt, Session session) - { - Value left = stmt.getLeftOp(); - - if(left instanceof Local) - { - generateLeftLocal(inMethod, stmt, session); - } - else - { - generateLeftNonLocal(inMethod, stmt, session); - } - } - - public void generateLeftLocal(SootMethod inMethod, AssignStmt stmt, Session session) - { - Local left = (Local) stmt.getLeftOp(); - Value right = stmt.getRightOp(); - - if(right instanceof Local) - { - _writer.writeAssignLocal(inMethod, left, (Local) right); - } - else if(right instanceof InvokeExpr) - { - _writer.writeAssignInvoke(inMethod, left, (InvokeExpr) right, session); - } - else if(right instanceof NewExpr) - { - _writer.writeAssignHeapAllocation(inMethod, left, (NewExpr) right, session); - } - else if(right instanceof NewArrayExpr) - { - _writer.writeAssignHeapAllocation(inMethod, left, (NewArrayExpr) right, session); - } - else if(right instanceof NewMultiArrayExpr) - { - _writer.writeAssignNewMultiArrayExpr(inMethod, left, (NewMultiArrayExpr) right, session); - } - else if(right instanceof StringConstant) - { - _writer.writeAssignStringConstant(inMethod, left, (StringConstant) right); - } - else if(right instanceof ClassConstant) - { - _writer.writeAssignClassConstant(inMethod, left, (ClassConstant) right); - } - else if(right instanceof InstanceFieldRef) - { - InstanceFieldRef ref = (InstanceFieldRef) right; - _writer.writeLoadInstanceField(inMethod, ref.getField(), (Local) ref.getBase(), left); - } - else if(right instanceof StaticFieldRef) - { - StaticFieldRef ref = (StaticFieldRef) right; - - if(left.getType() instanceof PrimType) - { - // These load operations are not relevant for points-to - // analysis, but they are for class initialization, so they - // affect the call graph. - _writer.writeLoadPrimStaticField(inMethod, ref.getField()); - } - else - { - _writer.writeLoadStaticField(inMethod, ref.getField(), left); - } - } - else if(right instanceof ArrayRef) - { - ArrayRef ref = (ArrayRef) right; - Local base = (Local) ref.getBase(); - Value index = ref.getIndex(); - - if(index instanceof Local || index instanceof IntConstant) - { - _writer.writeLoadArrayIndex(inMethod, base, left); - } - else - { - throw new RuntimeException("Cannot handle assignment: " + stmt + " (index: " + index.getClass() + ")"); - } - } - else if(right instanceof CastExpr) - { - CastExpr cast = (CastExpr) right; - Value op = cast.getOp(); - - if(op instanceof Local) - { - _writer.writeAssignCast(inMethod, left, (Local) op, cast.getCastType()); - } - else if( - op instanceof IntConstant - || op instanceof LongConstant - || op instanceof FloatConstant - || op instanceof DoubleConstant - || op instanceof NullConstant - ) - { - // ignore, not relevant for pointer analysis - } - else - { - throw new RuntimeException("Cannot handle assignment: " + stmt + " (op: " + op.getClass() + ")"); - } - } - else if(right instanceof PhiExpr) - { - for(Value alternative : ((PhiExpr) right).getValues()) - { - _writer.writeAssignLocal(inMethod, left, (Local) alternative); - } - } - else if( - right instanceof IntConstant - || right instanceof LongConstant - || right instanceof FloatConstant - || right instanceof DoubleConstant - || right instanceof NullConstant - || right instanceof BinopExpr - || right instanceof NegExpr - || right instanceof LengthExpr - || right instanceof InstanceOfExpr) - { - // ignore, not relevant for pointer analysis - } - else - { - throw new RuntimeException("Cannot handle assignment: " + stmt + " (right: " + right.getClass() + ")"); - } - } - - public void generateLeftNonLocal(SootMethod inMethod, AssignStmt stmt, Session session) - { - Value left = stmt.getLeftOp(); - Value right = stmt.getRightOp(); - - // first make sure we have local variable for the right-hand-side. - Local rightLocal = null; - - if(right instanceof Local) - { - rightLocal = (Local) right; - } - else if(right instanceof StringConstant) - { - rightLocal = _writer.writeStringConstantExpression(inMethod, (StringConstant) right, session); - } - else if(right instanceof ClassConstant) - { - rightLocal = _writer.writeClassConstantExpression(inMethod, (ClassConstant) right, session); - } - - // arrays - if(left instanceof ArrayRef && rightLocal != null) - { - ArrayRef ref = (ArrayRef) left; - Local base = (Local) ref.getBase(); - _writer.writeStoreArrayIndex(inMethod, base, rightLocal); - } - else if(left instanceof ArrayRef && - ( right instanceof IntConstant - || right instanceof LongConstant - || right instanceof FloatConstant - || right instanceof DoubleConstant - || right instanceof NullConstant)) - { - // skip, not relevant for pointer analysis - } - // instance fields - else if(left instanceof InstanceFieldRef && rightLocal != null) - { - InstanceFieldRef ref = (InstanceFieldRef) left; - _writer.writeStoreInstanceField(inMethod, ref.getField(), (Local) ref.getBase(), rightLocal); - } - else if(left instanceof InstanceFieldRef && - ( right instanceof IntConstant - || right instanceof LongConstant - || right instanceof FloatConstant - || right instanceof DoubleConstant - || right instanceof NullConstant)) - { - // skip, not relevant for pointer analysis - } - // static fields - else if(left instanceof StaticFieldRef && (right.getType() instanceof PrimType || right instanceof NullConstant)) - { - // These store operations are not relevant for points-to - // analysis, but they are for class initialization, so they - // affect the call graph. - StaticFieldRef ref = (StaticFieldRef) left; - _writer.writeStorePrimStaticField(inMethod, ref.getField()); - - // TODO: the NullConstant is a bit hacky. It's the right behaviour, but it's a bit ugly to call this a Prim. - } - else if(left instanceof StaticFieldRef && rightLocal != null) - { - StaticFieldRef ref = (StaticFieldRef) left; - _writer.writeStoreStaticField(inMethod, ref.getField(), rightLocal); - } - else - { - throw new RuntimeException("Cannot handle assignment: " + stmt - + " (right: " + right.getClass() + ")"); - } - } - - public void generate(SootMethod inMethod, IdentityStmt stmt) - { - Value left = stmt.getLeftOp(); - Value right = stmt.getRightOp(); - - if(right instanceof CaughtExceptionRef) { - /* Handled by ExceptionHandler generation (ExceptionHandler:FormalParam). - - TODO Would be good to check more carefully that a caught - exception does not occur anywhere else. - */ - return; - } - else if(left instanceof Local && right instanceof ThisRef) - { - _writer.writeAssignLocal(inMethod, (Local) left, (ThisRef) right); - } - else if(left instanceof Local && right instanceof ParameterRef) - { - _writer.writeAssignLocal(inMethod, (Local) left, (ParameterRef) right); - } - else - { - throw new RuntimeException("Cannot handle identity statement: " + stmt); - } - } - - /** - * Return statement - */ - public void generate(SootMethod inMethod, ReturnStmt stmt, Session session) - { - Value v = stmt.getOp(); - - if(v instanceof Local) - { - _writer.writeReturnVar(inMethod, (Local) v); - } - else if(v instanceof StringConstant) - { - Local tmp = _writer.writeStringConstantExpression(inMethod, (StringConstant) v, session); - _writer.writeReturnVar(inMethod, tmp); - } - else if(v instanceof ClassConstant) - { - Local tmp = _writer.writeClassConstantExpression(inMethod, (ClassConstant) v, session); - _writer.writeReturnVar(inMethod, tmp); - } - else if( - v instanceof IntConstant - || v instanceof LongConstant - || v instanceof FloatConstant - || v instanceof DoubleConstant - || v instanceof NullConstant) - { - // skip, not relevant for pointer analysis - } - else - { - throw new RuntimeException("Unhandled return statement: " + stmt); - } - } - - public void generate(SootMethod inMethod, ThrowStmt stmt, Session session) - { - Value v = stmt.getOp(); - - if(v instanceof Local) - { - _writer.writeThrow(inMethod, (Local) v, session); - } - else if(v instanceof NullConstant) - { - // skip, not relevant for pointer analysis. - } - else - { - throw new RuntimeException("Unhandled throw statement: " + stmt); - } - } +public class FactGenerator { + private FactWriter _writer; + private boolean _ssa; + private Map _current_dominators; + + public FactGenerator(FactWriter writer, boolean ssa) { + _writer = writer; + _writer.writeStandardFacts(); + _ssa = ssa; + } + + public void generate(SootClass c) { + // for handling Array.newInstance() + _writer.writeArrayType(c); + + _writer.writeClassOrInterfaceType(c); + + // the isInterface condition prevents Object as superclass of interface + if (c.hasSuperclass() && !c.isInterface()) { + _writer.writeDirectSuperclass(c, c.getSuperclass()); + } + + for (SootClass i : c.getInterfaces()) { + _writer.writeDirectSuperinterface(c, i); + } + + for (SootField f : c.getFields()) { + generate(f); + } + + for (SootMethod m : c.getMethods()) { + Session session = new Session(); + generate(m, session); + } + + // writing class modifier + int modifiers = c.getModifiers(); + if (!c.isInterface()) { + if (Modifier.isPublic(modifiers)) { + _writer.writeClassModifier(c, "public"); + } + if (Modifier.isProtected(modifiers)) { + _writer.writeClassModifier(c, "protected"); + } + if (Modifier.isPrivate(modifiers)) { + _writer.writeClassModifier(c, "private"); + } + if (Modifier.isAbstract(modifiers)) { + _writer.writeClassModifier(c, "abstract"); + } + if (Modifier.isStatic(modifiers)) { + _writer.writeClassModifier(c, "static"); + } + if (Modifier.isFinal(modifiers)) { + _writer.writeClassModifier(c, "final"); + } + // TODO interface? + // TODO strictfp? + // TODO annotation? + // TODO enum? + } + // Output the jimple/shimple files of the classes. + // This method must be invoked after generate(m, session), + // because the generate(m, session) would set corresponding bodies + // (jimple or shimple) to the class. + writeClass(c); + } + + private void writeClass(SootClass sClass) { + int output_format; + if (_ssa) { + output_format = Options.output_format_shimple; + } else { + output_format = Options.output_format_jimple; + } + OutputStream streamOut = null; + try { + String filename = SourceLocator.v().getFileNameFor(sClass, + output_format); + streamOut = new FileOutputStream(filename); + PrintWriter writerOut = new PrintWriter(new OutputStreamWriter( + streamOut)); + Printer.v().printTo(sClass, writerOut); + writerOut.flush(); + writerOut.close(); + // release active body + for (SootMethod m : sClass.getMethods()) { + m.releaseActiveBody(); + } + } catch (FileNotFoundException e) { + System.out.println(e.getMessage()); + e.printStackTrace(); + } finally { + if (streamOut != null) + try { + streamOut.close(); + } catch (IOException e) { + System.out.println(e.getMessage()); + e.printStackTrace(); + } + } + } + + public void generate(SootField f) { + _writer.writeFieldSignature(f); + + int modifiers = f.getModifiers(); + if (Modifier.isAbstract(modifiers)) + _writer.writeFieldModifier(f, "abstract"); + if (Modifier.isFinal(modifiers)) + _writer.writeFieldModifier(f, "final"); + if (Modifier.isNative(modifiers)) + _writer.writeFieldModifier(f, "native"); + if (Modifier.isPrivate(modifiers)) + _writer.writeFieldModifier(f, "private"); + if (Modifier.isProtected(modifiers)) + _writer.writeFieldModifier(f, "protected"); + if (Modifier.isPublic(modifiers)) + _writer.writeFieldModifier(f, "public"); + if (Modifier.isStatic(modifiers)) + _writer.writeFieldModifier(f, "static"); + if (Modifier.isSynchronized(modifiers)) + _writer.writeFieldModifier(f, "synchronized"); + if (Modifier.isTransient(modifiers)) + _writer.writeFieldModifier(f, "transient"); + if (Modifier.isVolatile(modifiers)) + _writer.writeFieldModifier(f, "volatile"); + // TODO interface? + // TODO strictfp? + // TODO annotation? + // TODO enum? + } + + public void generate(SootMethod m, Session session) { + if (m.isPhantom()) + return; + + _writer.writeMethodDeclaration(m); + _writer.writeMethodSignature(m); + + int modifiers = m.getModifiers(); + if (Modifier.isAbstract(modifiers)) + _writer.writeMethodModifier(m, "abstract"); + if (Modifier.isFinal(modifiers)) + _writer.writeMethodModifier(m, "final"); + if (Modifier.isNative(modifiers)) + _writer.writeMethodModifier(m, "native"); + if (Modifier.isPrivate(modifiers)) + _writer.writeMethodModifier(m, "private"); + if (Modifier.isProtected(modifiers)) + _writer.writeMethodModifier(m, "protected"); + if (Modifier.isPublic(modifiers)) + _writer.writeMethodModifier(m, "public"); + if (Modifier.isStatic(modifiers)) + _writer.writeMethodModifier(m, "static"); + if (Modifier.isSynchronized(modifiers)) + _writer.writeMethodModifier(m, "synchronized"); + // TODO would be nice to have isVarArgs in Soot + if (Modifier.isTransient(modifiers)) + _writer.writeMethodModifier(m, "varargs"); + // TODO would be nice to have isBridge in Soot + if (Modifier.isVolatile(modifiers)) + _writer.writeMethodModifier(m, "bridge"); + // TODO interface? + // TODO strictfp? + // TODO annotation? + // TODO enum? + + if (!m.isStatic()) { + _writer.writeThisVar(m); + } + + if (m.isNative()) { + _writer.writeNativeReturnVar(m); + } + + for (int i = 0; i < m.getParameterCount(); i++) { + _writer.writeFormalParam(m, i); + } + + for (SootClass clazz : m.getExceptions()) { + _writer.writeMethodDeclarationException(m, clazz); + } + + if (!(m.isAbstract() || m.isNative())) { + if (!m.hasActiveBody()) { + m.retrieveActiveBody(); + } + + Body b = m.getActiveBody(); + if (_ssa) { + b = Shimple.v().newBody(b); + m.setActiveBody(b); + } + + generate(m, b, session); + + // release body after write class + // m.releaseActiveBody(); + } + } + + public void generate(SootMethod m, Body b, Session session) { + b.validate(); + session.numberUnits(b.getUnits().iterator()); + // obtain the post dominators of current body + if (_ssa) { + _current_dominators = PostDominatorFinder.findPostDominate(b); + } + + for (Local l : b.getLocals()) { + _writer.writeLocal(m, l); + } + + IrrelevantStmtSwitch sw = new IrrelevantStmtSwitch(); + for (Unit u : b.getUnits()) { + session.setCurrentUnit(u); + + Stmt stmt = (Stmt) u; + + stmt.apply(sw); + + if (sw.relevant) { + if (stmt instanceof AssignStmt) { + generate(m, (AssignStmt) stmt, session); + } else if (stmt instanceof IdentityStmt) { + generate(m, (IdentityStmt) stmt); + } else if (stmt instanceof InvokeStmt) { + _writer.writeInvoke(m, ((InvokeStmt) stmt).getInvokeExpr(), + getLineNumberOf(stmt), session); + } else if (stmt instanceof ReturnStmt) { + generate(m, (ReturnStmt) stmt, session); + } else if (stmt instanceof ThrowStmt) { + generate(m, (ThrowStmt) stmt, session); + } else { + throw new RuntimeException("Cannot handle statement: " + + stmt); + } + } + } + + Trap previous = null; + for (Trap t : b.getTraps()) { + _writer.writeExceptionHandler(m, t, session); + if (previous != null) { + _writer.writeExceptionHandlerPrevious(m, t, previous, session); + } + + previous = t; + } + } + + /** + * Assignment statement + */ + public void generate(SootMethod inMethod, AssignStmt stmt, Session session) { + Value left = stmt.getLeftOp(); + + if (left instanceof Local) { + generateLeftLocal(inMethod, stmt, session); + // write post dominate casting facts here + // only examine post dominators of local variables + if (_ssa && _current_dominators.containsKey(stmt)) { + String predicate; + if (PostDominatorFinder.hasClassNewInstanceCall(stmt)) { + predicate = "ClassNewInstanceCast"; + } else if (PostDominatorFinder + .hasConstructorNewInstanceCall(stmt)) { + predicate = "ConstructorNewInstanceCast"; + } else if (PostDominatorFinder.hasGetCall(stmt)) { + predicate = "FieldGetCast"; + } else if (PostDominatorFinder.hasInvokeCall(stmt)) { + predicate = "InvokeCast"; + } else { + return; + } + _writer.writePostDominatorCast(inMethod, stmt, + _current_dominators.get(stmt), session, predicate); + } + } else { + generateLeftNonLocal(inMethod, stmt, session); + } + } + + public void generateLeftLocal(SootMethod inMethod, AssignStmt stmt, + Session session) { + Local left = (Local) stmt.getLeftOp(); + Value right = stmt.getRightOp(); + + if (right instanceof Local) { + _writer.writeAssignLocal(inMethod, left, (Local) right); + } else if (right instanceof InvokeExpr) { + _writer.writeAssignInvoke(inMethod, left, (InvokeExpr) right, + getLineNumberOf(stmt), session); + } else if (right instanceof NewExpr) { + _writer.writeAssignHeapAllocation(inMethod, left, (NewExpr) right, + session); + } else if (right instanceof NewArrayExpr) { + _writer.writeAssignHeapAllocation(inMethod, left, + (NewArrayExpr) right, session); + } else if (right instanceof NewMultiArrayExpr) { + _writer.writeAssignNewMultiArrayExpr(inMethod, left, + (NewMultiArrayExpr) right, session); + } else if (right instanceof StringConstant) { + _writer.writeAssignStringConstant(inMethod, left, + (StringConstant) right); + } else if (right instanceof ClassConstant) { + _writer.writeAssignClassConstant(inMethod, left, + (ClassConstant) right); + } else if (right instanceof InstanceFieldRef) { + InstanceFieldRef ref = (InstanceFieldRef) right; + _writer.writeLoadInstanceField(inMethod, ref.getField(), + (Local) ref.getBase(), left); + } else if (right instanceof StaticFieldRef) { + StaticFieldRef ref = (StaticFieldRef) right; + + if (left.getType() instanceof PrimType) { + // These load operations are not relevant for points-to + // analysis, but they are for class initialization, so they + // affect the call graph. + _writer.writeLoadPrimStaticField(inMethod, ref.getField()); + } else { + _writer.writeLoadStaticField(inMethod, ref.getField(), left); + } + } else if (right instanceof ArrayRef) { + ArrayRef ref = (ArrayRef) right; + Local base = (Local) ref.getBase(); + Value index = ref.getIndex(); + + if (index instanceof Local || index instanceof IntConstant) { + _writer.writeLoadArrayIndex(inMethod, base, left); + } else { + throw new RuntimeException("Cannot handle assignment: " + stmt + + " (index: " + index.getClass() + ")"); + } + } else if (right instanceof CastExpr) { + CastExpr cast = (CastExpr) right; + Value op = cast.getOp(); + + if (op instanceof Local) { + _writer.writeAssignCast(inMethod, left, (Local) op, + cast.getCastType()); + } else if (op instanceof IntConstant || op instanceof LongConstant + || op instanceof FloatConstant + || op instanceof DoubleConstant + || op instanceof NullConstant) { + // ignore, not relevant for pointer analysis + } else { + throw new RuntimeException("Cannot handle assignment: " + stmt + + " (op: " + op.getClass() + ")"); + } + } else if (right instanceof PhiExpr) { + for (Value alternative : ((PhiExpr) right).getValues()) { + _writer.writeAssignLocal(inMethod, left, (Local) alternative); + } + } else if (right instanceof IntConstant + || right instanceof LongConstant + || right instanceof FloatConstant + || right instanceof DoubleConstant + || right instanceof NullConstant || right instanceof BinopExpr + || right instanceof NegExpr || right instanceof LengthExpr + || right instanceof InstanceOfExpr) { + // ignore, not relevant for pointer analysis + } else { + throw new RuntimeException("Cannot handle assignment: " + stmt + + " (right: " + right.getClass() + ")"); + } + } + + public void generateLeftNonLocal(SootMethod inMethod, AssignStmt stmt, + Session session) { + Value left = stmt.getLeftOp(); + Value right = stmt.getRightOp(); + + // first make sure we have local variable for the right-hand-side. + Local rightLocal = null; + + if (right instanceof Local) { + rightLocal = (Local) right; + } else if (right instanceof StringConstant) { + rightLocal = _writer.writeStringConstantExpression(inMethod, + (StringConstant) right, session); + } else if (right instanceof ClassConstant) { + rightLocal = _writer.writeClassConstantExpression(inMethod, + (ClassConstant) right, session); + } + + // arrays + if (left instanceof ArrayRef && rightLocal != null) { + ArrayRef ref = (ArrayRef) left; + Local base = (Local) ref.getBase(); + _writer.writeStoreArrayIndex(inMethod, base, rightLocal); + if (ref.getIndex() instanceof IntConstant) { + int index = ((IntConstant) ref.getIndex()).value; + _writer.writeStoreArrayConstantIndexType(inMethod, base, + rightLocal.getType(), index); + } else { + _writer.writeStoreArrayVarIndexType(inMethod, base, + rightLocal.getType()); + } + } else if (left instanceof ArrayRef && right instanceof NullConstant) { + ArrayRef ref = (ArrayRef) left; + Local base = (Local) ref.getBase(); + if (ref.getIndex() instanceof IntConstant) { + int index = ((IntConstant) ref.getIndex()).value; + _writer.writeStoreArrayConstantIndexType(inMethod, base, Scene + .v().getRefType("java.lang.Object"), index); + } else { + _writer.writeStoreArrayVarIndexType(inMethod, base, Scene.v() + .getRefType("java.lang.Object")); + } + } else if (left instanceof ArrayRef + && (right instanceof IntConstant + || right instanceof LongConstant + || right instanceof FloatConstant + || right instanceof DoubleConstant || right instanceof NullConstant)) { + // skip, not relevant for pointer analysis + } + // instance fields + else if (left instanceof InstanceFieldRef && rightLocal != null) { + InstanceFieldRef ref = (InstanceFieldRef) left; + _writer.writeStoreInstanceField(inMethod, ref.getField(), + (Local) ref.getBase(), rightLocal); + } else if (left instanceof InstanceFieldRef + && (right instanceof IntConstant + || right instanceof LongConstant + || right instanceof FloatConstant + || right instanceof DoubleConstant || right instanceof NullConstant)) { + // skip, not relevant for pointer analysis + } + // static fields + else if (left instanceof StaticFieldRef + && (right.getType() instanceof PrimType || right instanceof NullConstant)) { + // These store operations are not relevant for points-to + // analysis, but they are for class initialization, so they + // affect the call graph. + StaticFieldRef ref = (StaticFieldRef) left; + _writer.writeStorePrimStaticField(inMethod, ref.getField()); + + // TODO: the NullConstant is a bit hacky. It's the right behaviour, + // but it's a bit ugly to call this a Prim. + } else if (left instanceof StaticFieldRef && rightLocal != null) { + StaticFieldRef ref = (StaticFieldRef) left; + _writer.writeStoreStaticField(inMethod, ref.getField(), rightLocal); + } else { + throw new RuntimeException("Cannot handle assignment: " + stmt + + " (right: " + right.getClass() + ")"); + } + } + + public void generate(SootMethod inMethod, IdentityStmt stmt) { + Value left = stmt.getLeftOp(); + Value right = stmt.getRightOp(); + + if (right instanceof CaughtExceptionRef) { + /* + * Handled by ExceptionHandler generation + * (ExceptionHandler:FormalParam). + * + * TODO Would be good to check more carefully that a caught + * exception does not occur anywhere else. + */ + return; + } else if (left instanceof Local && right instanceof ThisRef) { + _writer.writeAssignLocal(inMethod, (Local) left, (ThisRef) right); + } else if (left instanceof Local && right instanceof ParameterRef) { + _writer.writeAssignLocal(inMethod, (Local) left, + (ParameterRef) right); + } else { + throw new RuntimeException("Cannot handle identity statement: " + + stmt); + } + } + + /** + * Return statement + */ + public void generate(SootMethod inMethod, ReturnStmt stmt, Session session) { + Value v = stmt.getOp(); + + if (v instanceof Local) { + _writer.writeReturnVar(inMethod, (Local) v); + } else if (v instanceof StringConstant) { + Local tmp = _writer.writeStringConstantExpression(inMethod, + (StringConstant) v, session); + _writer.writeReturnVar(inMethod, tmp); + } else if (v instanceof ClassConstant) { + Local tmp = _writer.writeClassConstantExpression(inMethod, + (ClassConstant) v, session); + _writer.writeReturnVar(inMethod, tmp); + } else if (v instanceof IntConstant || v instanceof LongConstant + || v instanceof FloatConstant || v instanceof DoubleConstant + || v instanceof NullConstant) { + // skip, not relevant for pointer analysis + } else { + throw new RuntimeException("Unhandled return statement: " + stmt); + } + } + + public void generate(SootMethod inMethod, ThrowStmt stmt, Session session) { + Value v = stmt.getOp(); + + if (v instanceof Local) { + _writer.writeThrow(inMethod, (Local) v, session); + } else if (v instanceof NullConstant) { + // skip, not relevant for pointer analysis. + } else { + throw new RuntimeException("Unhandled throw statement: " + stmt); + } + } + + public static int getLineNumberOf(Unit unit) { + int line = -1; + //get line from source + SourceLnPosTag tag = (SourceLnPosTag) unit.getTag("SourceLnPosTag"); + if (tag != null) { + line = tag.startLn(); + } else { + //get line from bytecode + LineNumberTag tag2 = (LineNumberTag) unit.getTag("LineNumberTag"); + if (tag2 != null) { + line = tag2.getLineNumber(); + } + } + return line; + } } diff -urN soot-fact-generation-r958-src/src/FactWriter.java elf-gen/src/FactWriter.java --- soot-fact-generation-r958-src/src/FactWriter.java 2009-06-04 13:07:30.000000000 +1000 +++ elf-gen/src/FactWriter.java 2015-06-14 20:05:40.000000000 +1000 @@ -1,748 +1,745 @@ +import soot.ArrayType; import soot.Local; +import soot.NullType; +import soot.PrimType; import soot.RefLikeType; +import soot.RefType; import soot.SootClass; import soot.SootField; import soot.SootMethod; import soot.Trap; - import soot.Type; -import soot.PrimType; -import soot.RefType; -import soot.NullType; -import soot.ArrayType; - - import soot.Unit; import soot.Value; -import soot.jimple.*; +import soot.jimple.AnyNewExpr; +import soot.jimple.AssignStmt; +import soot.jimple.CaughtExceptionRef; +import soot.jimple.ClassConstant; +import soot.jimple.DoubleConstant; +import soot.jimple.FloatConstant; +import soot.jimple.IdentityStmt; +import soot.jimple.InstanceInvokeExpr; +import soot.jimple.IntConstant; +import soot.jimple.InterfaceInvokeExpr; +import soot.jimple.InvokeExpr; +import soot.jimple.LongConstant; +import soot.jimple.NewArrayExpr; +import soot.jimple.NewMultiArrayExpr; +import soot.jimple.NullConstant; +import soot.jimple.ParameterRef; +import soot.jimple.SpecialInvokeExpr; +import soot.jimple.StaticInvokeExpr; +import soot.jimple.StringConstant; +import soot.jimple.ThisRef; +import soot.jimple.VirtualInvokeExpr; import soot.jimple.internal.JimpleLocal; +import soot.tagkit.LineNumberTag; +import soot.tagkit.SourceLnPosTag; /** - * FactWriter determines the format of a fact and adds it to a - * database. No traversal code here (see FactGenerator for that). + * FactWriter determines the format of a fact and adds it to a database. No + * traversal code here (see FactGenerator for that). * * @author Martin Bravenboer + * @author Yue Li + * @author Tian Tan * @license MIT */ -public class FactWriter -{ +public class FactWriter { + + private Database _db; + private Representation _rep; + + public FactWriter(Database db) { + _db = db; + _rep = new Representation(); + } + + // For handling one dimension Array.newInstance(): reference type + public void writeArrayType(SootClass c) { + String componentType = _rep.type(c); + String arrayType = componentType + "[]"; + Column col = _db.addEntity("ArrayType", arrayType); + _db.add("ComponentType", col, new Column(componentType)); + } + + public void writeStandardFacts() { + _db.addEntity("PrimitiveType", "boolean"); + _db.addEntity("PrimitiveType", "byte"); + _db.addEntity("PrimitiveType", "char"); + _db.addEntity("PrimitiveType", "short"); + _db.addEntity("PrimitiveType", "int"); + _db.addEntity("PrimitiveType", "long"); + _db.addEntity("PrimitiveType", "float"); + _db.addEntity("PrimitiveType", "double"); + _db.addEntity("NullType", "null_type"); + + // For handling one dimension Array.newInstance(): primitive type + _db.add("ComponentType", _db.addEntity("ArrayType", "boolean[]"), + new Column("boolean")); + _db.add("ComponentType", _db.addEntity("ArrayType", "byte[]"), + new Column("byte")); + _db.add("ComponentType", _db.addEntity("ArrayType", "char[]"), + new Column("char")); + _db.add("ComponentType", _db.addEntity("ArrayType", "short[]"), + new Column("short")); + _db.add("ComponentType", _db.addEntity("ArrayType", "int[]"), + new Column("int")); + _db.add("ComponentType", _db.addEntity("ArrayType", "long[]"), + new Column("long")); + _db.add("ComponentType", _db.addEntity("ArrayType", "float[]"), + new Column("float")); + _db.add("ComponentType", _db.addEntity("ArrayType", "double[]"), + new Column("double")); + } + + public void writeClassOrInterfaceType(SootClass c) { + String rep = _rep.type(c); + Column col; + + if (c.isInterface()) { + col = _db.addEntity("InterfaceType", rep); + } else { + col = _db.addEntity("ClassType", rep); + } + + Column constant = _db.addEntity("ClassConstant", _rep.classconstant(c)); + _db.add("ReifiedClass", col, constant); + _db.add("HeapAllocation-Type", constant, + _db.addEntity("ClassType", "java.lang.Class")); + } + + public void writeDirectSuperclass(SootClass sub, SootClass sup) { + _db.add("DirectSuperclass", writeType(sub), writeType(sup)); + } + + public void writeDirectSuperinterface(SootClass clazz, SootClass iface) { + _db.add("DirectSuperinterface", writeType(clazz), writeType(iface)); + } + + public Column writeType(SootClass c) { + String result = _rep.type(c); + + // The type itself is already taken care of by writing the + // SootClass declaration, so we don't actually write the type + // here, and just return the string. + + return _db.asEntity(result); + } + + public Column writeType(Type t) { + String result = _rep.type(t); + Column c; + + if (t instanceof ArrayType) { + c = _db.addEntity("ArrayType", result); + Type componentType = ((ArrayType) t).getElementType(); + _db.add("ComponentType", c, writeType(componentType)); + // For handling Class:getComponentType + String rep = _rep.classconstant(t); + _db.add("ReifiedClass", _db.asEntity(result), _db.asEntity(rep)); + } else if (t instanceof PrimType || t instanceof NullType) { + // taken care of by the standard facts + c = _db.asEntity(result); + } else if (t instanceof RefType) { + // taken care of by SootClass declaration. + c = _db.asEntity(result); + } else { + throw new RuntimeException("Don't know what to do with type " + t); + } + + return c; + } + + public void writeAssignLocal(SootMethod m, Local to, Local from) { + if (to.getType() instanceof RefLikeType) { + _db.add("AssignLocal", + _db.addEntity("VarRef", _rep.local(m, from)), + _db.addEntity("VarRef", _rep.local(m, to)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + } + + public void writeAssignLocal(SootMethod m, Local to, ThisRef ref) { + _db.add("AssignLocal", _db.addEntity("VarRef", _rep.thisVar(m)), + _db.addEntity("VarRef", _rep.local(m, to)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeAssignLocal(SootMethod m, Local to, ParameterRef ref) { + if (to.getType() instanceof RefLikeType) { + _db.add("AssignLocal", + _db.addEntity("VarRef", _rep.param(m, ref.getIndex())), + _db.addEntity("VarRef", _rep.local(m, to)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + } + + public void writeAssignInvoke(SootMethod inMethod, Local to, + InvokeExpr expr, int lineNumber, Session session) { + String rep = writeInvokeHelper(inMethod, expr, lineNumber, session); + + if (to.getType() instanceof RefLikeType) { + _db.add("AssignReturnValue", + _db.addEntity("MethodInvocationRef", rep), + _db.addEntity("VarRef", _rep.local(inMethod, to))); + } + } + + public void writeAssignHeapAllocation(SootMethod m, Local l, + AnyNewExpr expr, Session session) { + String rep = _rep.heapAlloc(m, expr, session); + + _db.add("AssignHeapAllocation", + _db.addEntity("NormalHeapAllocationRef", rep), + _db.addEntity("VarRef", _rep.local(m, l)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + _db.addEntity("NormalHeapAllocationRef", rep); + + _db.add("HeapAllocation-Type", _db.asEntity(rep), + writeType(expr.getType())); + + // write array size for matching argument + if (expr instanceof NewArrayExpr) { + Value size = ((NewArrayExpr) expr).getSize(); + if (size instanceof IntConstant) { + _db.add("NewArraySize", + _db.addEntity("NormalHeapAllocationRef", rep), + _db.asIntColumn(_rep.index(((IntConstant) size).value))); + + } + } + } + + private Type getComponentType(ArrayType type) { + // Soot calls the component type of an array type the "element + // type", which is rather confusing, since in an array type + // A[][][], the JVM Spec defines A to be the element type, and + // A[][] is the component type. + return type.getElementType(); + } + + /** + * NewMultiArray is slightly complicated because an array needs to be + * allocated separately for every dimension of the array. + */ + public void writeAssignNewMultiArrayExpr(SootMethod m, Local l, + NewMultiArrayExpr expr, Session session) { + Type type = (ArrayType) expr.getType(); + + // local variable to assign the current array allocation to. + String assignTo = _rep.local(m, l); + + while (type instanceof ArrayType) { + ArrayType arrayType = (ArrayType) type; + String rep = _rep.heapMultiArrayAlloc(m, expr, arrayType, session); + + // assign the the current allocation to assignTo + _db.add("AssignHeapAllocation", + _db.addEntity("NormalHeapAllocationRef", rep), + _db.addEntity("VarRef", assignTo), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + _db.addEntity("NormalHeapAllocationRef", rep); + + // write the type of the current allocation + _db.add("HeapAllocation-Type", _db.asEntity(rep), + writeType(arrayType)); + + type = getComponentType(arrayType); + if (type instanceof ArrayType) { + // there is a subarray to allocate and assign to the array. + + String base = assignTo; + assignTo = _rep.newLocalIntermediate(m, l, session); + + // assign the subarray to the array of dim+1 + _db.add("StoreArrayIndex", _db.addEntity("VarRef", assignTo), + _db.addEntity("VarRef", base), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + // the assignTo is a fresh variable, so we need to write a + // fact for its type and the declaring method. + _db.add("Var-Type", _db.asEntity(assignTo), writeType(type)); + + _db.add("Var-DeclaringMethod", _db.asEntity(assignTo), + _db.asEntity(_rep.method(m))); + } + } + } + + public void writeAssignStringConstant(SootMethod m, Local l, + StringConstant s) { + String rep = _rep.stringconstant(m, s); + + _db.add("AssignHeapAllocation", _db.addEntity("StringConstant", rep), + _db.addEntity("VarRef", _rep.local(m, l)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + _db.add("HeapAllocation-Type", _db.asEntity(rep), + writeType(s.getType())); + } + + public void writeAssignClassConstant(SootMethod m, Local l, + ClassConstant constant) { + // System.err.println("class constant " + constant + " in " + m); + String s = constant.getValue().replace('/', '.'); + + String rep; + + /* + * There is some weirdness in class constants: normal Java class types + * seem to have been translated to a syntax with the initial L, but + * arrays are still represented as [, for example [C for char[] + */ + if (s.charAt(0) == '[') { + // array type + Type t = soot.coffi.Util.v().jimpleTypeOfFieldDescriptor(s); + + rep = _rep.classconstant(t); + _db.add("ReifiedClass", _db.asEntity(_rep.type(t)), + _db.asEntity(rep)); + + // TODO only classes have their heap allocation type written already + } else { + SootClass c = soot.Scene.v().getSootClass(s); + if (c == null) { + throw new RuntimeException("Unexpected class constant: " + + constant); + } + + rep = _rep.classconstant(c); + } + + _db.add("AssignHeapAllocation", _db.asEntity(rep), + _db.addEntity("VarRef", _rep.local(m, l)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeAssignCast(SootMethod m, Local to, Local from, Type t) { + if (to.getType() instanceof RefLikeType + && from.getType() instanceof RefLikeType) { + _db.add("AssignCast", writeType(t), + _db.addEntity("VarRef", _rep.local(m, from)), + _db.addEntity("VarRef", _rep.local(m, to)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } else { + if (to.getType() instanceof RefLikeType + || from.getType() instanceof RefLikeType) { + throw new RuntimeException( + "error: didn't expect cast involving one reference type"); + } else { + // cast from prim to prim, not relevant for pointer analysis. + } + } + } + + public void writeStoreInstanceField(SootMethod m, SootField f, Local base, + Local from) { + if (f.getType() instanceof RefLikeType) { + _db.add("StoreInstanceField", + _db.addEntity("VarRef", _rep.local(m, from)), + _db.addEntity("VarRef", _rep.local(m, base)), + _db.addEntity("FieldSignatureRef", _rep.signature(f)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + } + + public void writeLoadInstanceField(SootMethod m, SootField f, Local base, + Local to) { + if (to.getType() instanceof RefLikeType) { + _db.add("LoadInstanceField", + _db.addEntity("VarRef", _rep.local(m, base)), + _db.addEntity("FieldSignatureRef", _rep.signature(f)), + _db.addEntity("VarRef", _rep.local(m, to)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + } + + public void writeStoreStaticField(SootMethod m, SootField f, Local from) { + _db.add("StoreStaticField", + _db.addEntity("VarRef", _rep.local(m, from)), + _db.addEntity("FieldSignatureRef", _rep.signature(f)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeStorePrimStaticField(SootMethod m, SootField f) { + _db.add("StorePrimStaticField", + _db.addEntity("FieldSignatureRef", _rep.signature(f)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } - private Database _db; - private Representation _rep; + public void writeLoadStaticField(SootMethod m, SootField f, Local to) { + _db.add("LoadStaticField", + _db.addEntity("FieldSignatureRef", _rep.signature(f)), + _db.addEntity("VarRef", _rep.local(m, to)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeLoadPrimStaticField(SootMethod m, SootField f) { + _db.add("LoadPrimStaticField", + _db.addEntity("FieldSignatureRef", _rep.signature(f)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeLoadArrayIndex(SootMethod m, Local base, Local to) { + if (to.getType() instanceof RefLikeType) { + _db.add("LoadArrayIndex", + _db.addEntity("VarRef", _rep.local(m, base)), + _db.addEntity("VarRef", _rep.local(m, to)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + } + + public void writeStoreArrayIndex(SootMethod m, Local base, Local from) { + if (from.getType() instanceof RefLikeType) { + _db.add("StoreArrayIndex", + _db.addEntity("VarRef", _rep.local(m, from)), + _db.addEntity("VarRef", _rep.local(m, base)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + } + + public void writeApplicationClass(SootClass application) { + _db.add("ApplicationClass", writeType(application)); + } + + public void writeFieldSignature(SootField f) { + _db.add("FieldSignature", + _db.addEntity("FieldSignatureRef", _rep.signature(f)), + writeType(f.getDeclaringClass()), + _db.addEntity("SimpleNameRef", _rep.simpleName(f)), + writeType(f.getType())); + } + + public void writeFieldModifier(SootField f, String modifier) { + _db.add("FieldModifier", + _db.addEntity("ModifierRef", _rep.modifier(modifier)), + _db.addEntity("FieldSignatureRef", _rep.signature(f))); + } + + public void writeMethodDeclaration(SootMethod m) { + _db.add("MethodDeclaration", + _db.addEntity("MethodSignatureRef", _rep.signature(m)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeMethodSignature(SootMethod m) { - public FactWriter(Database db) - { - _db = db; - _rep = new Representation(); - } - - public void writeStandardFacts() - { - _db.addEntity("PrimitiveType", "boolean"); - _db.addEntity("PrimitiveType", "byte"); - _db.addEntity("PrimitiveType", "char"); - _db.addEntity("PrimitiveType", "short"); - _db.addEntity("PrimitiveType", "int"); - _db.addEntity("PrimitiveType", "long"); - _db.addEntity("PrimitiveType", "float"); - _db.addEntity("PrimitiveType", "double"); - _db.addEntity("NullType", "null_type"); - } - - public void writeClassOrInterfaceType(SootClass c) - { - String rep = _rep.type(c); - Column col; - - if(c.isInterface()) - { - col = _db.addEntity("InterfaceType", rep); - } - else - { - col = _db.addEntity("ClassType", rep); - } - - Column constant = _db.addEntity("ClassConstant", _rep.classconstant(c)); - _db.add("ReifiedClass", col, constant); - _db.add("HeapAllocation-Type", constant, _db.addEntity("ClassType", "java.lang.Class")); - } - - public void writeDirectSuperclass(SootClass sub, SootClass sup) - { - _db.add("DirectSuperclass", - writeType(sub), - writeType(sup)); - } - - public void writeDirectSuperinterface(SootClass clazz, SootClass iface) - { - _db.add("DirectSuperinterface", - writeType(clazz), - writeType(iface)); - } - - public Column writeType(SootClass c) - { - String result = _rep.type(c); - - // The type itself is already taken care of by writing the - // SootClass declaration, so we don't actually write the type - // here, and just return the string. - - return _db.asEntity(result); - } - - public Column writeType(Type t) - { - String result = _rep.type(t); - Column c; - - if(t instanceof ArrayType) - { - c = _db.addEntity("ArrayType", result); - Type componentType = ((ArrayType) t).getElementType(); - _db.add("ComponentType", c, writeType(componentType)); - } - else if(t instanceof PrimType || t instanceof NullType) - { - // taken care of by the standard facts - c = _db.asEntity(result); - } - else if(t instanceof RefType) - { - // taken care of by SootClass declaration. - c = _db.asEntity(result); - } - else - { - throw new RuntimeException("Don't know what to do with type " + t); - } - - return c; - } - - public void writeAssignLocal(SootMethod m, Local to, Local from) - { - if(to.getType() instanceof RefLikeType) - { - _db.add("AssignLocal", - _db.addEntity("VarRef", _rep.local(m, from)), - _db.addEntity("VarRef", _rep.local(m, to)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - } - - public void writeAssignLocal(SootMethod m, Local to, ThisRef ref) - { - _db.add("AssignLocal", - _db.addEntity("VarRef", _rep.thisVar(m)), - _db.addEntity("VarRef", _rep.local(m, to)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeAssignLocal(SootMethod m, Local to, ParameterRef ref) - { - if(to.getType() instanceof RefLikeType) - { - _db.add("AssignLocal", - _db.addEntity("VarRef", _rep.param(m, ref.getIndex())), - _db.addEntity("VarRef", _rep.local(m, to)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - } - - public void writeAssignInvoke(SootMethod inMethod, Local to, InvokeExpr expr, Session session) - { - String rep = writeInvokeHelper(inMethod, expr, session); - - if(to.getType() instanceof RefLikeType) - { - _db.add("AssignReturnValue", - _db.addEntity("MethodInvocationRef", rep), - _db.addEntity("VarRef", _rep.local(inMethod, to))); - } - } - - public void writeAssignHeapAllocation(SootMethod m, Local l, AnyNewExpr expr, Session session) - { - String rep = _rep.heapAlloc(m, expr, session); - - _db.add("AssignHeapAllocation", - _db.addEntity("NormalHeapAllocationRef", rep), - _db.addEntity("VarRef", _rep.local(m, l)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - - - _db.addEntity("NormalHeapAllocationRef", rep); - - _db.add("HeapAllocation-Type", - _db.asEntity(rep), - writeType(expr.getType())); - } - - private Type getComponentType(ArrayType type) - { - // Soot calls the component type of an array type the "element - // type", which is rather confusing, since in an array type - // A[][][], the JVM Spec defines A to be the element type, and - // A[][] is the component type. - return type.getElementType(); - } - - /** - * NewMultiArray is slightly complicated because an array needs to - * be allocated separately for every dimension of the array. - */ - public void writeAssignNewMultiArrayExpr(SootMethod m, Local l, NewMultiArrayExpr expr, Session session) - { - Type type = (ArrayType) expr.getType(); - - // local variable to assign the current array allocation to. - String assignTo = _rep.local(m, l); - - while(type instanceof ArrayType) - { - ArrayType arrayType = (ArrayType) type; - String rep = _rep.heapMultiArrayAlloc(m, expr, arrayType, session); - - // assign the the current allocation to assignTo - _db.add("AssignHeapAllocation", - _db.addEntity("NormalHeapAllocationRef", rep), - _db.addEntity("VarRef", assignTo), - _db.addEntity("MethodSignatureRef", _rep.method(m)) - ); - - _db.addEntity("NormalHeapAllocationRef", rep); - - - // write the type of the current allocation - _db.add("HeapAllocation-Type", - _db.asEntity(rep), - writeType(arrayType)); - - type = getComponentType(arrayType); - if(type instanceof ArrayType) - { - // there is a subarray to allocate and assign to the array. - - String base = assignTo; - assignTo = _rep.newLocalIntermediate(m, l, session); - - // assign the subarray to the array of dim+1 - _db.add("StoreArrayIndex", - _db.addEntity("VarRef", assignTo), - _db.addEntity("VarRef", base), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - - // the assignTo is a fresh variable, so we need to write a - // fact for its type and the declaring method. - _db.add("Var-Type", - _db.asEntity(assignTo), - writeType(type)); - - _db.add("Var-DeclaringMethod", - _db.asEntity(assignTo), - _db.asEntity(_rep.method(m))); - } - } - } - - public void writeAssignStringConstant(SootMethod m, Local l, StringConstant s) - { - String rep = _rep.stringconstant(m, s); - - _db.add("AssignHeapAllocation", - _db.addEntity("StringConstant", rep), - _db.addEntity("VarRef", _rep.local(m, l)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - - _db.add("HeapAllocation-Type", - _db.asEntity(rep), - writeType(s.getType())); - } - - public void writeAssignClassConstant(SootMethod m, Local l, ClassConstant constant) - { - // System.err.println("class constant " + constant + " in " + m); - String s = constant.getValue().replace('/', '.'); - - String rep; - - /* There is some weirdness in class constants: normal Java class - types seem to have been translated to a syntax with the initial - L, but arrays are still represented as [, for example [C for - char[] */ - if(s.charAt(0) == '[') - { - // array type - Type t = soot.coffi.Util.v().jimpleTypeOfFieldDescriptor(s); - - rep = _rep.classconstant(t); - _db.add("ReifiedClass", _db.asEntity(_rep.type(t)), _db.asEntity(rep)); - - // TODO only classes have their heap allocation type written already - } - else - { - SootClass c = soot.Scene.v().getSootClass(s); - if(c == null) - { - throw new RuntimeException("Unexpected class constant: " + constant); - } - - rep = _rep.classconstant(c); - } - - _db.add("AssignHeapAllocation", - _db.asEntity(rep), - _db.addEntity("VarRef", _rep.local(m, l)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeAssignCast(SootMethod m, Local to, Local from, Type t) - { - if(to.getType() instanceof RefLikeType && from.getType() instanceof RefLikeType) - { - _db.add("AssignCast", - writeType(t), - _db.addEntity("VarRef", _rep.local(m, from)), - _db.addEntity("VarRef", _rep.local(m, to)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - else - { - if(to.getType() instanceof RefLikeType || from.getType() instanceof RefLikeType) - { - throw new RuntimeException("error: didn't expect cast involving one reference type"); - } - else - { - // cast from prim to prim, not relevant for pointer analysis. - } - } - } - - public void writeStoreInstanceField(SootMethod m, SootField f, Local base, Local from) - { - if(f.getType() instanceof RefLikeType) - { - _db.add("StoreInstanceField", - _db.addEntity("VarRef", _rep.local(m, from)), - _db.addEntity("VarRef", _rep.local(m, base)), - _db.addEntity("FieldSignatureRef", _rep.signature(f)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - } - - public void writeLoadInstanceField(SootMethod m, SootField f, Local base, Local to) - { - if(to.getType() instanceof RefLikeType) - { - _db.add("LoadInstanceField", - _db.addEntity("VarRef", _rep.local(m, base)), - _db.addEntity("FieldSignatureRef", _rep.signature(f)), - _db.addEntity("VarRef", _rep.local(m, to)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - } - - public void writeStoreStaticField(SootMethod m, SootField f, Local from) - { - _db.add("StoreStaticField", - _db.addEntity("VarRef", _rep.local(m, from)), - _db.addEntity("FieldSignatureRef", _rep.signature(f)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeStorePrimStaticField(SootMethod m, SootField f) - { - _db.add("StorePrimStaticField", - _db.addEntity("FieldSignatureRef", _rep.signature(f)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeLoadStaticField(SootMethod m, SootField f, Local to) - { - _db.add("LoadStaticField", - _db.addEntity("FieldSignatureRef", _rep.signature(f)), - _db.addEntity("VarRef", _rep.local(m, to)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeLoadPrimStaticField(SootMethod m, SootField f) - { - _db.add("LoadPrimStaticField", - _db.addEntity("FieldSignatureRef", _rep.signature(f)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeLoadArrayIndex(SootMethod m, Local base, Local to) - { - if(to.getType() instanceof RefLikeType) - { - _db.add("LoadArrayIndex", - _db.addEntity("VarRef", _rep.local(m, base)), - _db.addEntity("VarRef", _rep.local(m, to)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - } - - public void writeStoreArrayIndex(SootMethod m, Local base, Local from) - { - if(from.getType() instanceof RefLikeType) - { - _db.add("StoreArrayIndex", - _db.addEntity("VarRef", _rep.local(m, from)), - _db.addEntity("VarRef", _rep.local(m, base)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - } - - public void writeApplicationClass(SootClass application) - { - _db.add("ApplicationClass", - writeType(application)); - } - - public void writeFieldSignature(SootField f) - { - _db.add("FieldSignature", - _db.addEntity("FieldSignatureRef", _rep.signature(f)), - writeType(f.getDeclaringClass()), - _db.addEntity("SimpleNameRef", _rep.simpleName(f)), - writeType(f.getType())); - } - - public void writeFieldModifier(SootField f, String modifier) - { - _db.add("FieldModifier", - _db.addEntity("ModifierRef", _rep.modifier(modifier)), - _db.addEntity("FieldSignatureRef", _rep.signature(f))); - } - - public void writeMethodDeclaration(SootMethod m) - { - _db.add("MethodDeclaration", - _db.addEntity("MethodSignatureRef", _rep.signature(m)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeMethodSignature(SootMethod m) - { - - _db.add("MethodSignature-SimpleName", - _db.addEntity("MethodSignatureRef", _rep.signature(m)), - _db.addEntity("SimpleNameRef", _rep.simpleName(m))); - _db.add("MethodSignature-Descriptor", - _db.addEntity("MethodSignatureRef", _rep.signature(m)), - _db.addEntity("MethodDescriptorRef", _rep.descriptor(m))); - _db.add("MethodSignature-Type", - _db.addEntity("MethodSignatureRef", _rep.signature(m)), - writeType(m.getDeclaringClass())); - } - - public void writeMethodModifier(SootMethod m, String modifier) - { - _db.add("MethodModifier", - _db.addEntity("ModifierRef", _rep.modifier(modifier)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeReturnVar(SootMethod m, Local l) - { - if(l.getType() instanceof RefLikeType) - { - _db.add("ReturnVar", - _db.addEntity("VarRef", _rep.local(m, l)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - - _db.add("Var-Type", - _db.addEntity("VarRef", _rep.local(m, l)), - writeType(l.getType())); - } - } - - public void writeNativeReturnVar(SootMethod m) - { - if(m.getReturnType() instanceof RefLikeType) - { - _db.add("ReturnVar", - _db.addEntity("VarRef", _rep.nativeReturnVar(m)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - - _db.add("Var-Type", - _db.asEntity(_rep.nativeReturnVar(m)), - writeType(m.getReturnType())); - - _db.add("Var-DeclaringMethod", - _db.asEntity(_rep.nativeReturnVar(m)), - _db.asEntity(_rep.method(m))); - } - } - - /** - * Throw statement - */ - public void writeThrow(SootMethod m, Local l, Session session) - { - String rep = _rep.throwLocal(m, l, session); - - _db.add("Throw", - _db.addEntity("ThrowRef", rep), - _db.addEntity("VarRef", _rep.local(m, l))); - _db.add("Throw-Method", - _db.addEntity("ThrowRef", rep), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - - int index = session.getUnitNumber(session.getCurrentUnit()); - - _db.add("Instruction-Index", - _db.asEntity(rep), - _db.asIntColumn(String.valueOf(index))); - } - - public void writeExceptionHandlerPrevious(SootMethod m, Trap current, Trap previous, Session session) - { - _db.add("ExceptionHandler-Previous", - _db.addEntity("ExceptionHandlerRef", _rep.handler(m, current, session)), - _db.addEntity("ExceptionHandlerRef", _rep.handler(m, previous, session))); - } - - public void writeExceptionHandler(SootMethod m, Trap handler, Session session) - { - SootClass exc = handler.getException(); - - Local caught; - { - Unit handlerUnit = handler.getHandlerUnit(); - IdentityStmt stmt = (IdentityStmt) handlerUnit; - Value left = stmt.getLeftOp(); - Value right = stmt.getRightOp(); - - - if(right instanceof CaughtExceptionRef && left instanceof Local) - { - caught = (Local) left; - } - else - { - throw new RuntimeException("Unexpected start of exception handler: " + handlerUnit); - } - } - - /* simple fact for Paddle compatibility mode */ - _db.add("SimpleExceptionHandler", - _db.asEntity(_rep.type(exc)), - _db.addEntity("VarRef",_rep.local(m, caught)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - - String rep = _rep.handler(m, handler, session); - _db.addEntity("ExceptionHandlerRef", rep); - - _db.add("ExceptionHandler-Method", - _db.asEntity(rep), - _db.asEntity(_rep.method(m))); - - _db.add("ExceptionHandler-Type", - _db.asEntity(rep), - _db.asEntity(_rep.type(exc))); - - _db.add("ExceptionHandler-FormalParam", - _db.asEntity(rep), - _db.asEntity(_rep.local(m, caught))); - - _db.add("ExceptionHandler-Begin", - _db.asEntity(rep), - _db.asIntColumn(String.valueOf(session.getUnitNumber(handler.getBeginUnit())))); - - _db.add("ExceptionHandler-End", - _db.asEntity(rep), - _db.asIntColumn(String.valueOf(session.getUnitNumber(handler.getEndUnit())))); - } - - public void writeThisVar(SootMethod m) - { - _db.add("ThisVar", - _db.addEntity("MethodSignatureRef", _rep.method(m)), - _db.addEntity("VarRef", _rep.thisVar(m))); - - _db.add("Var-Type", - _db.asEntity(_rep.thisVar(m)), - writeType(m.getDeclaringClass())); - - _db.add("Var-DeclaringMethod", - _db.asEntity(_rep.thisVar(m)), - _db.asEntity(_rep.method(m))); - } - - public void writeMethodDeclarationException(SootMethod m, SootClass exception) - { - _db.add("MethodDeclaration-Exception", - writeType(exception), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - - public void writeFormalParam(SootMethod m, int i) - { - if(m.getParameterType(i) instanceof RefLikeType) - { - _db.add("FormalParam", - _db.asIntColumn(_rep.index(i)), - _db.addEntity("MethodSignatureRef", _rep.method(m)), - _db.addEntity("VarRef", _rep.param(m, i))); - - _db.add("Var-Type", - _db.asEntity(_rep.param(m, i)), - writeType(m.getParameterType(i))); - - _db.add("Var-DeclaringMethod", - _db.asEntity(_rep.param(m, i)), - _db.asEntity(_rep.method(m))); - } - } - - public void writeLocal(SootMethod m, Local l) - { - if(l.getType() instanceof RefLikeType) - { - _db.add("Var-Type", - _db.addEntity("VarRef", _rep.local(m, l)), - writeType(l.getType())); - - _db.add("Var-DeclaringMethod", - _db.asEntity(_rep.local(m, l)), - _db.addEntity("MethodSignatureRef", _rep.method(m))); - } - } - - public Local writeStringConstantExpression(SootMethod inMethod, StringConstant constant, Session session) - { - // introduce a new temporary variable - String basename = "$stringconstant"; - String varname = basename + session.nextNumber(basename); - Local l = new JimpleLocal(varname, RefType.v("java.lang.String")); - writeLocal(inMethod, l); - writeAssignStringConstant(inMethod, l, constant); - return l; - } - - public Local writeClassConstantExpression(SootMethod inMethod, ClassConstant constant, Session session) - { - // introduce a new temporary variable - String basename = "$classconstant"; - String varname = basename + session.nextNumber(basename); - Local l = new JimpleLocal(varname, RefType.v("java.lang.Class")); - writeLocal(inMethod, l); - writeAssignClassConstant(inMethod, l, constant); - return l; - } - - private void writeActualParams(SootMethod inMethod, InvokeExpr expr, String invokeExprRepr, Session session) - { - for(int i = 0; i < expr.getArgCount(); i++) - { - Value v = expr.getArg(i); - - if(v instanceof StringConstant) - { - v = writeStringConstantExpression(inMethod, (StringConstant) v, session); - } - else if(v instanceof ClassConstant) - { - v = writeClassConstantExpression(inMethod, (ClassConstant) v, session); - } - - if(v instanceof Local) - { - Local l = (Local) v; - if(l.getType() instanceof RefLikeType) - { - _db.add("ActualParam", - _db.asIntColumn(_rep.index(i)), - _db.addEntity("MethodInvocationRef", invokeExprRepr), - _db.addEntity("VarRef", _rep.local(inMethod, l))); - } - } - else if( v instanceof IntConstant - || v instanceof LongConstant - || v instanceof FloatConstant - || v instanceof DoubleConstant - || v instanceof NullConstant) - { - continue; - } - else - { - throw new RuntimeException("Unknown actual parameter: " + v + " " + v.getClass()); - } - } - } - - public void writeInvoke(SootMethod inMethod, InvokeExpr expr, Session session) - { - writeInvokeHelper(inMethod, expr, session); - } - - private String writeInvokeHelper(SootMethod inMethod, InvokeExpr expr, Session session) - { - String rep = _rep.invoke(inMethod, expr, session); - writeActualParams(inMethod, expr, rep, session); - - _db.addEntity("MethodSignatureRef", _rep.method(inMethod)); - _db.addEntity("MethodInvocationRef", rep); - _db.addEntity("MethodSignatureRef", _rep.signature(expr.getMethod())); - - if(expr instanceof StaticInvokeExpr) - { - _db.add("StaticMethodInvocation", - _db.asEntity(rep), - _db.asEntity(_rep.signature(expr.getMethod())), - _db.asEntity(_rep.method(inMethod))); - _db.add("StaticMethodInvocation-In", - _db.asEntity(rep), - _db.asEntity(_rep.method(inMethod))); - _db.add("StaticMethodInvocation-Signature", - _db.asEntity(rep), - _db.asEntity(_rep.signature(expr.getMethod()))); - } - else if(expr instanceof VirtualInvokeExpr || expr instanceof InterfaceInvokeExpr) - { - _db.add("VirtualMethodInvocation-Base", - _db.asEntity(rep), - _db.addEntity("VarRef", _rep.local(inMethod, (Local) ((InstanceInvokeExpr) expr).getBase()))); - _db.add("VirtualMethodInvocation-Signature", - _db.asEntity(rep), - _db.asEntity(_rep.signature(expr.getMethod()))); - _db.add("VirtualMethodInvocation-In", - _db.asEntity(rep), - _db.asEntity(_rep.method(inMethod))); - _db.add("VirtualMethodInvocation", - _db.asEntity(rep), - _db.asEntity(_rep.signature(expr.getMethod())), - _db.asEntity(_rep.method(inMethod))); - } - else if(expr instanceof SpecialInvokeExpr) - { - _db.add("SpecialMethodInvocation-Base", - _db.asEntity(rep), - _db.addEntity("VarRef", _rep.local(inMethod, (Local) ((InstanceInvokeExpr) expr).getBase()))); - _db.add("SpecialMethodInvocation-Signature", - _db.asEntity(rep), - _db.asEntity(_rep.signature(expr.getMethod()))); - _db.add("SpecialMethodInvocation-In", - _db.asEntity(rep), - _db.asEntity(_rep.method(inMethod))); - } - else - { - throw new RuntimeException("Cannot handle invoke expr: " + expr); - } - - _db.add("Instruction-Index", - _db.asEntity(rep), - _db.asIntColumn(String.valueOf(session.getUnitNumber(session.getCurrentUnit())))); + _db.add("MethodSignature-SimpleName", + _db.addEntity("MethodSignatureRef", _rep.signature(m)), + _db.addEntity("SimpleNameRef", _rep.simpleName(m))); + _db.add("MethodSignature-Descriptor", + _db.addEntity("MethodSignatureRef", _rep.signature(m)), + _db.addEntity("MethodDescriptorRef", _rep.descriptor(m))); + _db.add("MethodSignature-Type", + _db.addEntity("MethodSignatureRef", _rep.signature(m)), + writeType(m.getDeclaringClass())); + // return type used for invoke cast + Type t = m.getReturnType(); + if (!t.toString().equals("void")) { + _db.add("MethodSignature-ReturnType", + _db.addEntity("MethodSignatureRef", _rep.signature(m)), + writeType(t)); + } + // number of parameters used for matching arguments + _db.add("NrFormalParam", + _db.addEntity("MethodSignatureRef", _rep.signature(m)), + _db.asEntity(_rep.index(m.getParameterCount()))); + } + + public void writeMethodModifier(SootMethod m, String modifier) { + _db.add("MethodModifier", + _db.addEntity("ModifierRef", _rep.modifier(modifier)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeReturnVar(SootMethod m, Local l) { + if (l.getType() instanceof RefLikeType) { + _db.add("ReturnVar", _db.addEntity("VarRef", _rep.local(m, l)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + _db.add("Var-Type", _db.addEntity("VarRef", _rep.local(m, l)), + writeType(l.getType())); + } + } + + public void writeNativeReturnVar(SootMethod m) { + if (m.getReturnType() instanceof RefLikeType) { + _db.add("ReturnVar", + _db.addEntity("VarRef", _rep.nativeReturnVar(m)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + _db.add("Var-Type", _db.asEntity(_rep.nativeReturnVar(m)), + writeType(m.getReturnType())); + + _db.add("Var-DeclaringMethod", + _db.asEntity(_rep.nativeReturnVar(m)), + _db.asEntity(_rep.method(m))); + } + } + + /** + * Throw statement + */ + public void writeThrow(SootMethod m, Local l, Session session) { + String rep = _rep.throwLocal(m, l, session); + + _db.add("Throw", _db.addEntity("ThrowRef", rep), + _db.addEntity("VarRef", _rep.local(m, l))); + _db.add("Throw-Method", _db.addEntity("ThrowRef", rep), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + int index = session.getUnitNumber(session.getCurrentUnit()); + + _db.add("Instruction-Index", _db.asEntity(rep), + _db.asIntColumn(String.valueOf(index))); + } + + public void writeExceptionHandlerPrevious(SootMethod m, Trap current, + Trap previous, Session session) { + _db.add("ExceptionHandler-Previous", + _db.addEntity("ExceptionHandlerRef", + _rep.handler(m, current, session)), + _db.addEntity("ExceptionHandlerRef", + _rep.handler(m, previous, session))); + } + + public void writeExceptionHandler(SootMethod m, Trap handler, + Session session) { + SootClass exc = handler.getException(); + + Local caught; + { + Unit handlerUnit = handler.getHandlerUnit(); + IdentityStmt stmt = (IdentityStmt) handlerUnit; + Value left = stmt.getLeftOp(); + Value right = stmt.getRightOp(); + + if (right instanceof CaughtExceptionRef && left instanceof Local) { + caught = (Local) left; + } else { + throw new RuntimeException( + "Unexpected start of exception handler: " + handlerUnit); + } + } + + /* simple fact for Paddle compatibility mode */ + _db.add("SimpleExceptionHandler", _db.asEntity(_rep.type(exc)), + _db.addEntity("VarRef", _rep.local(m, caught)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + + String rep = _rep.handler(m, handler, session); + _db.addEntity("ExceptionHandlerRef", rep); + + _db.add("ExceptionHandler-Method", _db.asEntity(rep), + _db.asEntity(_rep.method(m))); + + _db.add("ExceptionHandler-Type", _db.asEntity(rep), + _db.asEntity(_rep.type(exc))); + + _db.add("ExceptionHandler-FormalParam", _db.asEntity(rep), + _db.asEntity(_rep.local(m, caught))); + + _db.add("ExceptionHandler-Begin", _db.asEntity(rep), _db + .asIntColumn(String.valueOf(session.getUnitNumber(handler + .getBeginUnit())))); + + _db.add("ExceptionHandler-End", _db.asEntity(rep), _db + .asIntColumn(String.valueOf(session.getUnitNumber(handler + .getEndUnit())))); + } - return rep; - } + public void writeThisVar(SootMethod m) { + _db.add("ThisVar", _db.addEntity("MethodSignatureRef", _rep.method(m)), + _db.addEntity("VarRef", _rep.thisVar(m))); + + _db.add("Var-Type", _db.asEntity(_rep.thisVar(m)), + writeType(m.getDeclaringClass())); + + _db.add("Var-DeclaringMethod", _db.asEntity(_rep.thisVar(m)), + _db.asEntity(_rep.method(m))); + } + + public void writeMethodDeclarationException(SootMethod m, + SootClass exception) { + _db.add("MethodDeclaration-Exception", writeType(exception), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + + public void writeFormalParam(SootMethod m, int i) { + if (m.getParameterType(i) instanceof RefLikeType) { + _db.add("FormalParam", _db.asIntColumn(_rep.index(i)), + _db.addEntity("MethodSignatureRef", _rep.method(m)), + _db.addEntity("VarRef", _rep.param(m, i))); + + _db.add("Var-Type", _db.asEntity(_rep.param(m, i)), + writeType(m.getParameterType(i))); + + _db.add("Var-DeclaringMethod", _db.asEntity(_rep.param(m, i)), + _db.asEntity(_rep.method(m))); + } + /* + * else { _db.add("FormalParam", _db.asIntColumn(_rep.index(i)), + * _db.addEntity("MethodSignatureRef", _rep.method(m)), + * _db.addEntity("VarRef", _rep.param(m, i))); + * + * _db.add("Var-Type", _db.asEntity(_rep.param(m, i)), + * writeType(m.getParameterType(i))); } + */ + } + + public void writeLocal(SootMethod m, Local l) { + if (l.getType() instanceof RefLikeType) { + _db.add("Var-Type", _db.addEntity("VarRef", _rep.local(m, l)), + writeType(l.getType())); + + _db.add("Var-DeclaringMethod", _db.asEntity(_rep.local(m, l)), + _db.addEntity("MethodSignatureRef", _rep.method(m))); + } + } + + public Local writeStringConstantExpression(SootMethod inMethod, + StringConstant constant, Session session) { + // introduce a new temporary variable + String basename = "$stringconstant"; + String varname = basename + session.nextNumber(basename); + Local l = new JimpleLocal(varname, RefType.v("java.lang.String")); + writeLocal(inMethod, l); + writeAssignStringConstant(inMethod, l, constant); + return l; + } + + public Local writeClassConstantExpression(SootMethod inMethod, + ClassConstant constant, Session session) { + // introduce a new temporary variable + String basename = "$classconstant"; + String varname = basename + session.nextNumber(basename); + Local l = new JimpleLocal(varname, RefType.v("java.lang.Class")); + writeLocal(inMethod, l); + writeAssignClassConstant(inMethod, l, constant); + return l; + } + + private void writeActualParams(SootMethod inMethod, InvokeExpr expr, + String invokeExprRepr, Session session) { + for (int i = 0; i < expr.getArgCount(); i++) { + Value v = expr.getArg(i); + + if (v instanceof StringConstant) { + v = writeStringConstantExpression(inMethod, (StringConstant) v, + session); + } else if (v instanceof ClassConstant) { + v = writeClassConstantExpression(inMethod, (ClassConstant) v, + session); + } + + if (v instanceof Local) { + Local l = (Local) v; + if (l.getType() instanceof RefLikeType) { + _db.add("ActualParam", _db.asIntColumn(_rep.index(i)), _db + .addEntity("MethodInvocationRef", invokeExprRepr), + _db.addEntity("VarRef", _rep.local(inMethod, l))); + } + } else if (v instanceof IntConstant || v instanceof LongConstant + || v instanceof FloatConstant + || v instanceof DoubleConstant || v instanceof NullConstant) { + continue; + } else { + throw new RuntimeException("Unknown actual parameter: " + v + + " " + v.getClass()); + } + } + } + + public void writeInvoke(SootMethod inMethod, InvokeExpr expr, + int lineNumber, Session session) { + writeInvokeHelper(inMethod, expr, lineNumber, session); + } + + private String writeInvokeHelper(SootMethod inMethod, InvokeExpr expr, + int lineNumber, Session session) { + String rep = _rep.invoke(inMethod, expr, session); + writeActualParams(inMethod, expr, rep, session); + + _db.add("MethodInvocationLineNumber", + _db.addEntity("MethodInvocationRef", rep), + _db.asIntColumn(_rep.index(lineNumber))); + + _db.addEntity("MethodSignatureRef", _rep.method(inMethod)); + _db.addEntity("MethodInvocationRef", rep); + _db.addEntity("MethodSignatureRef", _rep.signature(expr.getMethod())); + + if (expr instanceof StaticInvokeExpr) { + _db.add("StaticMethodInvocation", _db.asEntity(rep), + _db.asEntity(_rep.signature(expr.getMethod())), + _db.asEntity(_rep.method(inMethod))); + _db.add("StaticMethodInvocation-In", _db.asEntity(rep), + _db.asEntity(_rep.method(inMethod))); + _db.add("StaticMethodInvocation-Signature", _db.asEntity(rep), + _db.asEntity(_rep.signature(expr.getMethod()))); + } else if (expr instanceof VirtualInvokeExpr + || expr instanceof InterfaceInvokeExpr) { + _db.add("VirtualMethodInvocation-Base", _db.asEntity(rep), _db + .addEntity("VarRef", _rep.local(inMethod, + (Local) ((InstanceInvokeExpr) expr).getBase()))); + _db.add("VirtualMethodInvocation-Signature", _db.asEntity(rep), + _db.asEntity(_rep.signature(expr.getMethod()))); + _db.add("VirtualMethodInvocation-In", _db.asEntity(rep), + _db.asEntity(_rep.method(inMethod))); + _db.add("VirtualMethodInvocation", _db.asEntity(rep), + _db.asEntity(_rep.signature(expr.getMethod())), + _db.asEntity(_rep.method(inMethod))); + } else if (expr instanceof SpecialInvokeExpr) { + _db.add("SpecialMethodInvocation-Base", _db.asEntity(rep), _db + .addEntity("VarRef", _rep.local(inMethod, + (Local) ((InstanceInvokeExpr) expr).getBase()))); + _db.add("SpecialMethodInvocation-Signature", _db.asEntity(rep), + _db.asEntity(_rep.signature(expr.getMethod()))); + _db.add("SpecialMethodInvocation-In", _db.asEntity(rep), + _db.asEntity(_rep.method(inMethod))); + } else { + throw new RuntimeException("Cannot handle invoke expr: " + expr); + } + + _db.add("Instruction-Index", _db.asEntity(rep), _db.asIntColumn(String + .valueOf(session.getUnitNumber(session.getCurrentUnit())))); + + return rep; + } + + public void writePostDominatorCast(SootMethod inMethod, AssignStmt stmt, + Type t, Session session, String predicate) { + InvokeExpr expr = stmt.getInvokeExpr(); + String name = expr.getMethod().getName(); + String invoke = _rep.compactMethod(inMethod) + "/" + + expr.getMethod().getDeclaringClass() + "." + name + "/" + + session.currentNumber(name); + + _db.add(predicate, _db.addEntity("MethodInvocationRef", invoke), + writeType(t)); + } + + public void writeStoreArrayConstantIndexType(SootMethod m, Local base, + Type t, int index) { + _db.add("StoreArrayConstantIndexType", + _db.addEntity("Type", _rep.type(t)), + _db.addEntity("VarRef", _rep.local(m, base)), + _db.addEntity("ArrayIndexRef", String.valueOf(index))); + } + + public void writeClassModifier(SootClass c, String modifier) { + _db.add("ClassModifier", + _db.addEntity("ModifierRef", _rep.modifier(modifier)), + _db.addEntity("ClassType", _rep.type(c))); + } + + public void writeStoreArrayVarIndexType(SootMethod m, Local base, Type t) { + _db.add("StoreArrayVarIndexType", + _db.addEntity("VarRef", _rep.local(m, base)), + _db.addEntity("Type", _rep.type(t))); + } + + } diff -urN soot-fact-generation-r958-src/src/Main.java elf-gen/src/Main.java --- soot-fact-generation-r958-src/src/Main.java 2009-06-04 13:07:30.000000000 +1000 +++ elf-gen/src/Main.java 2015-06-14 20:28:09.000000000 +1000 @@ -10,246 +10,220 @@ public class Main { - public static enum Mode {INPUTS, FULL;} + public static enum Mode { + INPUTS, FULL; + } + + private static Mode _mode = null; + private static List _inputs = new ArrayList(); + private static List _libraries = new ArrayList(); + private static String _outputDir = null; + private static String _main = null; + private static boolean _ssa = false; + private static boolean _trap = false; + private static boolean _allowPhantom = false; + + private static int shift(String[] args, int index) { + if (args.length == index + 1) { + System.err.println("error: option " + args[index] + + " requires an argument"); + System.exit(1); + } + + return index + 1; + } + + public static void main(String[] args) { + try { + if (args.length == 0) { + System.err + .println("usage: soot-fact-generation [options] file..."); + System.exit(0); + } + + for (int i = 0; i < args.length; i++) { + if (args[i].equals("--full") || args[i].equals("-full")) { + if (_mode != null) { + System.err.println("error: duplicate mode argument"); + System.exit(1); + } + + _mode = Mode.FULL; + } else if (args[i].equals("-d")) { + i = shift(args, i); + _outputDir = args[i]; + } else if (args[i].equals("-main")) { + i = shift(args, i); + _main = args[i]; + } else if (args[i].equals("-ssa")) { + _ssa = true; + } else if (args[i].equals("-l")) { + i = shift(args, i); + _libraries.add(args[i]); + } else if (args[i].equals("-lsystem") + || args[i].equals("--lsystem")) { + String javaHome = System.getProperty("java.home"); + _libraries.add(javaHome + File.separator + "lib" + File.separator + "rt.jar"); + _libraries.add(javaHome + File.separator + "lib" + File.separator + "jce.jar"); + _libraries.add(javaHome + File.separator + "lib" + File.separator + "jsse.jar"); + } else if (args[i].equals("-deps")) { + i = shift(args, i); + String folderName = args[i]; + File f = new File(folderName); + if (!f.exists()) { + System.err.println("Dependency folder " + folderName + + " does not exist"); + System.exit(0); + } else if (!f.isDirectory()) { + System.err.println("Dependency folder " + folderName + + " is not a directory"); + System.exit(0); + } + for (File file : f.listFiles()) { + if (file.isFile() && file.getName().endsWith(".jar")) { + _libraries.add(file.getCanonicalPath()); + } + } + } else if (args[i].equals("-trap")) { + _trap = true; + } else if (args[i].equals("-allow-phantom")) { + _allowPhantom = true; + } else if (args[i].equals("-h") || args[i].equals("--help") + || args[i].equals("-help")) { + System.err.println("usage: soot-fact-generation [options] file..."); + System.err.println("options:"); + System.err.println(" -main Specify the main name of the main class"); + System.err.println(" -full Generate facts by full transitive resolution"); + System.err.println(" -ssa Generate SSA facts, enabling flow-sensitive analysis"); + System.err.println(" -d Specify where to generate csv fact files."); + System.err.println(" -l Find classes in jar/zip archive."); + System.err.println(" -lsystem Find classes in default system classes."); + System.err.println(" -deps Add jars in this directory to the class lookup path"); + System.err.println(" -trap Generate TRAP files rather than CSV files"); + System.err.println(" -h, -help, Print this help message."); + System.exit(0); + } else { + if (args[i].charAt(0) == '-') { + System.err.println("error: unrecognized option: " + + args[i]); + System.exit(0); + } else { + _inputs.add(args[i]); + } + } + } + + if (_mode == null) { + _mode = Mode.INPUTS; + } + + if (_outputDir == null) { + _outputDir = System.getProperty("user.dir"); + } + + run(); + } catch (Exception exc) { + exc.printStackTrace(); + System.exit(1); + } + } + + private static void run() throws Exception { + NoSearchingClassProvider provider = new NoSearchingClassProvider(); + + for (String arg : _inputs) { + if (arg.endsWith(".jar") || arg.endsWith(".zip")) { + System.out.println("Adding archive: " + arg); + provider.addArchive(new File(arg)); + } else { + System.out.println("Adding file: " + arg); + provider.addClass(new File(arg)); + } + } + + for (String lib : _libraries) { + System.out.println("Adding archive for resolving: " + lib); + provider.addArchiveForResolving(new File(lib)); + } + + soot.SourceLocator.v().setClassProviders( + Collections.singletonList((ClassProvider) provider)); + Scene scene = Scene.v(); + if (_main != null) { + soot.options.Options.v().set_main_class(_main); + } + + if (_mode == Mode.FULL) { + soot.options.Options.v().set_full_resolver(true); + } + + if (_allowPhantom) { + soot.options.Options.v().set_allow_phantom_refs(true); + } + + soot.options.Options.v().set_keep_line_number(true); + + Collection classes = new ArrayList(); + for (String className : provider.getClassNames()) { + scene.loadClass(className, SootClass.SIGNATURES); + SootClass c = scene.loadClass(className, SootClass.BODIES); + c.setApplicationClass(); + classes.add(c); + } + + // Adding classes for resolving. + scene.tryLoadClass("java.util.CurrencyData", SootClass.BODIES); + if (scene.containsClass("javax.swing.plaf.metal.MetalLookAndFeel")) { + scene.tryLoadClass("javax.swing.plaf.metal.MetalBorders", + SootClass.BODIES); + } + + /* + * For simulating the FileSystem class, we need the implementation of + * the FileSystem, but the classes are not loaded automatically due to + * the indirection via native code. + */ + addCommonDynamicClass(scene, provider, "java.io.UnixFileSystem"); + addCommonDynamicClass(scene, provider, "java.io.WinNTFileSystem"); + addCommonDynamicClass(scene, provider, "java.io.Win32FileSystem"); + + /* java.net.URL loads handlers dynamically */ + addCommonDynamicClass(scene, provider, "sun.net.www.protocol.file.Handler"); + addCommonDynamicClass(scene, provider, "sun.net.www.protocol.ftp.Handler"); + addCommonDynamicClass(scene, provider, "sun.net.www.protocol.http.Handler"); + addCommonDynamicClass(scene, provider, "sun.net.www.protocol.https.Handler"); + addCommonDynamicClass(scene, provider, "sun.net.www.protocol.jar.Handler"); + + scene.loadNecessaryClasses(); + + Database db; + if (_trap) + db = new TRAPDatabase(new File(_outputDir)); + else + db = new CSVDatabase(new File(_outputDir)); + FactWriter writer = new FactWriter(db); + FactGenerator generator = new FactGenerator(writer, _ssa); + + for (SootClass c : classes) { + writer.writeApplicationClass(c); + } + + if (_mode == Mode.FULL) { + classes = scene.getClasses(); + } + + for (SootClass c : classes) { + generator.generate(c); + } + + db.close(); + } + + public static void addCommonDynamicClass(Scene scene, + ClassProvider provider, String className) { + if (provider.find(className) != null) { + scene.addBasicClass(className); + } - - private static Mode _mode = null; - private static List _inputs = new ArrayList(); - private static List _libraries = new ArrayList(); - private static String _outputDir = null; - private static String _main = null; - private static boolean _ssa = false; - private static boolean _trap = false; - private static boolean _allowPhantom = false; - - private static int shift(String[] args, int index) { - if(args.length == index + 1) { - System.err.println("error: option " + args[index] + " requires an argument"); - System.exit(1); - } - - return index + 1; - } - - public static void main(String[] args) - { - try - { - if(args.length == 0) - { - System.err.println("usage: soot-fact-generation [options] file..."); - System.exit(0); - } - - for(int i = 0; i < args.length; i++) - { - if(args[i].equals("--full") || args[i].equals("-full")) - { - if( _mode != null) - { - System.err.println("error: duplicate mode argument"); - System.exit(1); - } - - _mode = Mode.FULL; - } - else if(args[i].equals("-d")) - { - i = shift(args, i); - _outputDir = args[i]; - } - else if(args[i].equals("-main")) - { - i = shift(args, i); - _main = args[i]; - } - else if(args[i].equals("-ssa")) - { - _ssa = true; - } - else if(args[i].equals("-l")) - { - i = shift(args, i); - _libraries.add(args[i]); - } - else if(args[i].equals("-lsystem") || args[i].equals("--lsystem")) - { - String javaHome = System.getProperty("java.home"); - _libraries.add(javaHome + File.separator + "lib" + File.separator + "rt.jar"); - _libraries.add(javaHome + File.separator + "lib" + File.separator + "jce.jar"); - _libraries.add(javaHome + File.separator + "lib" + File.separator + "jsse.jar"); - } - else if(args[i].equals("-deps")) { - i = shift(args, i); - String folderName = args[i]; - File f = new File(folderName); - if(!f.exists()) { - System.err.println("Dependency folder " + folderName + " does not exist"); - System.exit(0); - } - else if(!f.isDirectory()) { - System.err.println("Dependency folder " + folderName + " is not a directory"); - System.exit(0); - } - for(File file : f.listFiles()) { - if(file.isFile() && file.getName().endsWith(".jar")) { - _libraries.add(file.getCanonicalPath()); - } - } - } - else if(args[i].equals("-trap")) - { - _trap = true; - } - else if(args[i].equals("-allow-phantom")) - { - _allowPhantom = true; - } - else if(args[i].equals("-h") || args[i].equals("--help") || args[i].equals("-help")) { - System.err.println("usage: soot-fact-generation [options] file..."); - System.err.println("options:"); - System.err.println(" -main Specify the main name of the main class"); - System.err.println(" -full Generate facts by full transitive resolution"); - System.err.println(" -ssa Generate SSA facts, enabling flow-sensitive analysis"); - System.err.println(" -d Specify where to generate csv fact files."); - System.err.println(" -l Find classes in jar/zip archive."); - System.err.println(" -lsystem Find classes in default system classes."); - System.err.println(" -deps Add jars in this directory to the class lookup path"); - System.err.println(" -trap Generate TRAP files rather than CSV files"); - System.err.println(" -h, -help, Print this help message."); - System.exit(0); - } - else - { - if(args[i].charAt(0) == '-') - { - System.err.println("error: unrecognized option: " + args[i]); - System.exit(0); - } - else - { - _inputs.add(args[i]); - } - } - } - - if(_mode == null) { - _mode = Mode.INPUTS; - } - - if(_outputDir == null) { - _outputDir = System.getProperty("user.dir"); - } - - - run(); - } - catch(Exception exc) - { - exc.printStackTrace(); - System.exit(1); - } - } - - private static void run() throws Exception - { - NoSearchingClassProvider provider = new NoSearchingClassProvider(); - - for(String arg : _inputs) - { - if(arg.endsWith(".jar") || arg.endsWith(".zip")) - { - System.out.println("Adding archive: " + arg); - provider.addArchive(new File(arg)); - } - else - { - System.out.println("Adding file: " + arg); - provider.addClass(new File(arg)); - } - } - - for(String lib: _libraries) { - System.out.println("Adding archive for resolving: " + lib); - provider.addArchiveForResolving(new File(lib)); - } - - soot.SourceLocator.v().setClassProviders(Collections.singletonList((ClassProvider) provider)); - Scene scene = Scene.v(); - if(_main != null) - { - soot.options.Options.v().set_main_class(_main); - } - - if(_mode == Mode.FULL) - { - soot.options.Options.v().set_full_resolver(true); - } - - if(_allowPhantom) - { - soot.options.Options.v().set_allow_phantom_refs(true); - } - - Collection classes = new ArrayList(); - for(String className : provider.getClassNames()) - { - scene.loadClass(className, SootClass.SIGNATURES); - SootClass c = scene.loadClass(className, SootClass.BODIES); - c.setApplicationClass(); - classes.add(c); - } - - /* For simulating the FileSystem class, we need the implementation - of the FileSystem, but the classes are not loaded automatically - due to the indirection via native code. - */ - addCommonDynamicClass(scene, provider, "java.io.UnixFileSystem"); - addCommonDynamicClass(scene, provider, "java.io.WinNTFileSystem"); - addCommonDynamicClass(scene, provider, "java.io.Win32FileSystem"); - - /* java.net.URL loads handlers dynamically */ - addCommonDynamicClass(scene, provider, "sun.net.www.protocol.file.Handler"); - addCommonDynamicClass(scene, provider, "sun.net.www.protocol.ftp.Handler"); - addCommonDynamicClass(scene, provider, "sun.net.www.protocol.http.Handler"); - addCommonDynamicClass(scene, provider, "sun.net.www.protocol.https.Handler"); - addCommonDynamicClass(scene, provider, "sun.net.www.protocol.jar.Handler"); - - scene.loadNecessaryClasses(); - - Database db; - if(_trap) - db = new TRAPDatabase(new File(_outputDir)); - else - db = new CSVDatabase(new File(_outputDir)); - FactWriter writer = new FactWriter(db); - FactGenerator generator = new FactGenerator(writer, _ssa); - - for(SootClass c : classes) - { - writer.writeApplicationClass(c); - } - - if(_mode == Mode.FULL) - { - classes = scene.getClasses(); - } - - for(SootClass c : classes) - { - generator.generate(c); - } - - - db.close(); - } - - public static void addCommonDynamicClass(Scene scene, ClassProvider provider, String className) - { - if(provider.find(className) != null) - { - scene.addBasicClass(className); - } - - } + } } \ No newline at end of file diff -urN soot-fact-generation-r958-src/src/NoSearchingClassProvider.java elf-gen/src/NoSearchingClassProvider.java --- soot-fact-generation-r958-src/src/NoSearchingClassProvider.java 2009-06-04 01:45:54.000000000 +1000 +++ elf-gen/src/NoSearchingClassProvider.java 2015-06-14 19:56:46.000000000 +1000 @@ -78,9 +78,11 @@ String className = c.toString().replace('/', '.'); if(_classes.containsKey(className)) { + /* throw new RuntimeException( "class " + className + " has already been added to this class provider"); - } + */ + } else { _classes.put(className, resource); } diff -urN soot-fact-generation-r958-src/src/PostDominatorFinder.java elf-gen/src/PostDominatorFinder.java --- soot-fact-generation-r958-src/src/PostDominatorFinder.java 1970-01-01 10:00:00.000000000 +1000 +++ elf-gen/src/PostDominatorFinder.java 2015-06-14 20:32:31.000000000 +1000 @@ -0,0 +1,116 @@ +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import soot.ArrayType; +import soot.Body; +import soot.Local; +import soot.Type; +import soot.Unit; +import soot.jimple.AssignStmt; +import soot.jimple.CastExpr; +import soot.jimple.Stmt; +import soot.toolkits.graph.BriefUnitGraph; +import soot.toolkits.graph.DominatorsFinder; +import soot.toolkits.graph.MHGPostDominatorsFinder; +import soot.toolkits.graph.UnitGraph; + +public class PostDominatorFinder { + @SuppressWarnings("rawtypes") + public static Map findPostDominate(Body body) { + // get all clz.newInstance() units + List call_list = new ArrayList(); + for (Unit unit : body.getUnits()) { + if (hasClassNewInstanceCall(unit) || + hasConstructorNewInstanceCall(unit) || + hasGetCall(unit) || + hasInvokeCall(unit)) { + call_list.add((AssignStmt)unit); + } + } + // compute post-dominate relationship + Map result = new HashMap(); + if (!call_list.isEmpty()) { + UnitGraph cfg = new BriefUnitGraph(body); + DominatorsFinder dominators = new MHGPostDominatorsFinder(cfg); + for (AssignStmt stmt : call_list) { + Type t = getPostDominateType(cfg, dominators, stmt); + if (t != null) { + result.put(stmt, t); + } + } + } + return result; + } + + public static boolean hasClassNewInstanceCall(Unit unit) { + Stmt stmt = (Stmt) unit; + if (stmt instanceof AssignStmt && stmt.containsInvokeExpr()) { + return stmt. + getInvokeExpr(). + getMethodRef(). + getSignature().equals(""); + } else { + return false; + } + } + + public static boolean hasConstructorNewInstanceCall(Unit unit) { + Stmt stmt = (Stmt) unit; + if (stmt instanceof AssignStmt && stmt.containsInvokeExpr()) { + return stmt. + getInvokeExpr(). + getMethodRef(). + getSignature().equals(""); + } else { + return false; + } + } + + public static boolean hasGetCall(Unit unit) { + Stmt stmt = (Stmt) unit; + if (stmt instanceof AssignStmt && stmt.containsInvokeExpr()) { + return stmt. + getInvokeExpr(). + getMethodRef(). + getSignature().equals(""); + } else { + return false; + } + } + + public static boolean hasInvokeCall(Unit unit) { + Stmt stmt = (Stmt) unit; + if (stmt instanceof AssignStmt && stmt.containsInvokeExpr()) { + return stmt. + getInvokeExpr(). + getMethodRef(). + getSignature().equals(""); + } else { + return false; + } + } + + @SuppressWarnings({ "unchecked", "rawtypes" }) + private static Type getPostDominateType(UnitGraph cfg, DominatorsFinder dominators, AssignStmt stmt) { + // stmt contains clz.newInstance() or fld.get(obj) invocation + if (!(stmt.getLeftOp() instanceof Local)) { + return null; + } + Local temp = (Local) stmt.getLeftOp(); + for (Object dom : dominators.getDominators(stmt)) { + if (dom instanceof AssignStmt && + ((AssignStmt) dom).getRightOp() instanceof CastExpr && + ((CastExpr) ((AssignStmt) dom).getRightOp()).getOp().equals(temp)) { + Type t = ((CastExpr) ((AssignStmt) dom).getRightOp()).getCastType(); + if (t instanceof ArrayType) { // ignore array type + return null; + } else { + return t; + } + } + } + return null; + } +} diff -urN soot-fact-generation-r958-src/src/Session.java elf-gen/src/Session.java --- soot-fact-generation-r958-src/src/Session.java 2009-02-14 05:05:38.000000000 +1100 +++ elf-gen/src/Session.java 2015-06-14 19:56:46.000000000 +1000 @@ -21,6 +21,12 @@ return x.intValue(); } + + // since the integer of the map is always "next value", + // the current number should be the value in map minus one + public int currentNumber(String s) { + return _map.get(s).intValue() - 1; + } private Map _units = new HashMap(); tutorial0000700000175400017540000001174312713303013011664 0ustar tianttiant----------------------------- | Installation Instructions | ----------------------------- 1. Download DOOP (r160113) and soot-fact-generation (r958) from http://doop.program-analysis.org/download.html. 2. Unzip DOOP and soot-fact-generation, then set environment variable DOOP_HOME to the directory where you unpack DOOP by: $ export DOOP_HOME=unpack_directory/doop-r160113-bin/ 3. Download sootclasses-2.5.0.jar from http://www.sable.mcgill.ca/software/sootclasses-2.5.0.jar and then put it in $DOOP_HOME/lib/ directory. (DOOP (r160113) provides sootclasses-2.3.0.jar, ELF's facts generator needs sootclasses-2.5.0.jar) 4. Download elf.patch to $DOOP_HOME and then apply it to DOOP by: $ cd $DOOP_HOME $ patch -p1 < elf.patch 5. Download gen.patch to soot-fact-generation directory and then switch to soot-fact-generation directory, write: $ patch -p1 < gen.patch $ ./compile $ ./install Now, the ELF has been installed on the top of DOOP. In addition, to run ELF, users should follow the instructions in $DOOP_HOME/README to setup the applications and library (to be analyzed) and configure the corresponding paths. ---------- | Usages | ---------- ELF has the similiar usage with DOOP, except that you cannot use -disable-reflection, -disable-reflective-methods and -distinguish-no-string-constants options. In addition, ELF adds a "-generate-soot-reflection-log" option which enable ELF to output its reflection analysis results with a format which is supported by Soot so that ELF can make use of SOLAR. Please see details in next section. By default, ELF distinguishes a string constants if it is a class name, a method name or a field name. For fairly comparing with DOOP, ELF treats the string constants which represent method names or field names as one string constant while computing the size of points-to set. ----------------------- | Using ELF with Soot | ----------------------- It just takes two steps to use ELF to facilitate the static analysis with Soot. Step 1: Running ELF and generating reflection log --------------------------------------------------------------------- To let ELF create reflection log file, you can use the option "-generate-soot-reflection-log" which is mentioned above, and then ELF will output its reflection analysis results into a log file. The log file name is the name of the main class of the program to be analyzed plus ".log" as suffix. For example, let us use ELF to analyze luindex benchmark of DaCapo: $ ./run -jre1.6 -generate-soot-reflection-log 1-call-site-sensitive jars/dacapo/luindex.jar $ ... $ generating reflection log for Soot at dacapo.luindex.Main.log $ ... Now, ELF has output its reflection analysis results to dacapo.luindex.Main.log. Step 2: Running Soot with the reflection log generated by ELF --------------------------------------------------------------------- To use the reflection analysis results of ELF with Soot, you just need to give Soot the log file generated by ELF by using the option "reflection-log". Soot provides the option "reflection-log" in call graph construction phase to load a reflection log from the given file and use it to resolve reflective call sites. For example, let us use Soot to analyze luindex with reflection log from ELF: $ java -cp soot-2.5.0.jar soot.Main \ # run Soot -w -app -p cg.spark enabled \ # enable Spark -p cg reflection-log:dacapo.luindex.Main.log \ # use the reflection log from ELF -cp luindex.jar:${JRE}/jce.jar:${JRE}/rt.jar \ # set up class path for Soot -main-class dacapo.luindex.Main \ # specify main class dacapo.luindex.Main ------------------------ | Main changes to DOOP | ------------------------ - soot-fact-generation/src/FactWriter.java, FactGenerator.java, PostDominatorFinder.java Generate more facts for reflection analysis, such as the ones involving post dominance. - gen-import Import more facts for reflection analysis. - logic/library/elf/propagation.logic New added file which contains rules for resolving reflective calls by target propagation. - logic/library/elf/inference.logic New added file which includes rules for resolving reflective calls by target inference. - logic/library/elf/array.logic New added file which contains rules for handling methods of java.lang.reflect.Array. - logic/library/elf/reflect-stats.logic New added file which contains rules for collecting reflection analysis results. - logic/context-sensitive.logic - logic/library/reflective.logic Fix unsound handling of argument passing for reflective invocation. - logic/library/reflection-delta.logic Add place holders for helping target inference. - logic/library/string-constants.logic Distinguish string constants whose values equal method names or field names. - scripts/get-refl-targets.py - scripts/soot-converter.py New added scripts for assisting ELF output its results. - run Add "-ssa" option to fact generator arguments. - stats-simple Output reflection analysis results. Please feel free to contact the authors if you have any concerns. release-notes0000700000175400017540000000043412537435147012604 0ustar tianttiantELF version 0.3 (Monday, 15 June 2015) - Generated reflection log which can be used by Soot. ELF version 0.2 (Tuesday, 4 November 2014) - Improved precision without compromising soundness. ELF version 0.1 (Friday, 18 July 2014) - This is the first release of ELF.