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authorZhongxing Xu <xuzhongxing@gmail.com>2009-11-13 07:25:27 +0000
committerZhongxing Xu <xuzhongxing@gmail.com>2009-11-13 07:25:27 +0000
commitc4902a52a04308bcf26668ba9f5a609629550698 (patch)
treeeb1df97c73eba72a8ed047e27b38384921a5e58c /clang/lib/Analysis/MallocChecker.cpp
parenta4276b091dbcb122f0d4440cac536f34f9112a9a (diff)
downloadbcm5719-llvm-c4902a52a04308bcf26668ba9f5a609629550698.tar.gz
bcm5719-llvm-c4902a52a04308bcf26668ba9f5a609629550698.zip
Hook up Malloc checker.
llvm-svn: 87093
Diffstat (limited to 'clang/lib/Analysis/MallocChecker.cpp')
-rw-r--r--clang/lib/Analysis/MallocChecker.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/Analysis/MallocChecker.cpp b/clang/lib/Analysis/MallocChecker.cpp
index cbc115f9dae..f007aa65da1 100644
--- a/clang/lib/Analysis/MallocChecker.cpp
+++ b/clang/lib/Analysis/MallocChecker.cpp
@@ -12,6 +12,7 @@
//
//===----------------------------------------------------------------------===//
+#include "GRExprEngineExperimentalChecks.h"
#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
#include "clang/Analysis/PathSensitive/GRState.h"
#include "clang/Analysis/PathSensitive/GRStateTrait.h"
@@ -33,8 +34,11 @@ class VISIBILITY_HIDDEN MallocChecker : public CheckerVisitor<MallocChecker> {
IdentifierInfo *II_free;
public:
+ MallocChecker() : BT_DoubleFree(0) {}
static void *getTag();
void PostVisitCallExpr(CheckerContext &C, const CallExpr *CE);
+ void EvalDeadSymbols(CheckerContext &C,const Stmt *S,SymbolReaper &SymReaper);
+private:
void MallocMem(CheckerContext &C, const CallExpr *CE);
void FreeMem(CheckerContext &C, const CallExpr *CE);
};
@@ -59,6 +63,10 @@ namespace clang {
};
}
+void clang::RegisterMallocChecker(GRExprEngine &Eng) {
+ Eng.registerCheck(new MallocChecker());
+}
+
void *MallocChecker::getTag() {
static int x;
return &x;
@@ -124,3 +132,7 @@ void MallocChecker::FreeMem(CheckerContext &C, const CallExpr *CE) {
const GRState *FreedState = state->set<RegionState>(Sym, Released);
C.addTransition(C.GenerateNode(CE, FreedState));
}
+
+void MallocChecker::EvalDeadSymbols(CheckerContext &C, const Stmt *S,
+ SymbolReaper &SymReaper) {
+}
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