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authorDimitry Andric <dim@FreeBSD.org>2018-07-31 17:06:31 +0000
committerDimitry Andric <dim@FreeBSD.org>2018-07-31 17:06:31 +0000
commit735bee93f1285c5c55c64d80fdc2ede4c0f23341 (patch)
treee1209c2a0b4880eee15e0ce705016372f7c88724 /contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
parent51315c45ff5643a27f9c84b816db54ee870ba29b (diff)
parent486754660bb926339aefcf012a3f848592babb8b (diff)
Notes
Diffstat (limited to 'contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp')
-rw-r--r--contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp23
1 files changed, 9 insertions, 14 deletions
diff --git a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
index dab29be1c8fb..10ab952e069b 100644
--- a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
+++ b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
@@ -109,8 +109,6 @@ REGISTER_MAP_WITH_PROGRAMSTATE(DestroyRetVal, const MemRegion *, SymbolRef)
void PthreadLockChecker::checkPostStmt(const CallExpr *CE,
CheckerContext &C) const {
- ProgramStateRef state = C.getState();
- const LocationContext *LCtx = C.getLocationContext();
StringRef FName = C.getCalleeName(CE);
if (FName.empty())
return;
@@ -121,34 +119,31 @@ void PthreadLockChecker::checkPostStmt(const CallExpr *CE,
if (FName == "pthread_mutex_lock" ||
FName == "pthread_rwlock_rdlock" ||
FName == "pthread_rwlock_wrlock")
- AcquireLock(C, CE, state->getSVal(CE->getArg(0), LCtx),
- false, PthreadSemantics);
+ AcquireLock(C, CE, C.getSVal(CE->getArg(0)), false, PthreadSemantics);
else if (FName == "lck_mtx_lock" ||
FName == "lck_rw_lock_exclusive" ||
FName == "lck_rw_lock_shared")
- AcquireLock(C, CE, state->getSVal(CE->getArg(0), LCtx),
- false, XNUSemantics);
+ AcquireLock(C, CE, C.getSVal(CE->getArg(0)), false, XNUSemantics);
else if (FName == "pthread_mutex_trylock" ||
FName == "pthread_rwlock_tryrdlock" ||
FName == "pthread_rwlock_trywrlock")
- AcquireLock(C, CE, state->getSVal(CE->getArg(0), LCtx),
+ AcquireLock(C, CE, C.getSVal(CE->getArg(0)),
true, PthreadSemantics);
else if (FName == "lck_mtx_try_lock" ||
FName == "lck_rw_try_lock_exclusive" ||
FName == "lck_rw_try_lock_shared")
- AcquireLock(C, CE, state->getSVal(CE->getArg(0), LCtx),
- true, XNUSemantics);
+ AcquireLock(C, CE, C.getSVal(CE->getArg(0)), true, XNUSemantics);
else if (FName == "pthread_mutex_unlock" ||
FName == "pthread_rwlock_unlock" ||
FName == "lck_mtx_unlock" ||
FName == "lck_rw_done")
- ReleaseLock(C, CE, state->getSVal(CE->getArg(0), LCtx));
+ ReleaseLock(C, CE, C.getSVal(CE->getArg(0)));
else if (FName == "pthread_mutex_destroy")
- DestroyLock(C, CE, state->getSVal(CE->getArg(0), LCtx), PthreadSemantics);
+ DestroyLock(C, CE, C.getSVal(CE->getArg(0)), PthreadSemantics);
else if (FName == "lck_mtx_destroy")
- DestroyLock(C, CE, state->getSVal(CE->getArg(0), LCtx), XNUSemantics);
+ DestroyLock(C, CE, C.getSVal(CE->getArg(0)), XNUSemantics);
else if (FName == "pthread_mutex_init")
- InitLock(C, CE, state->getSVal(CE->getArg(0), LCtx));
+ InitLock(C, CE, C.getSVal(CE->getArg(0)));
}
// When a lock is destroyed, in some semantics(like PthreadSemantics) we are not
@@ -232,7 +227,7 @@ void PthreadLockChecker::AcquireLock(CheckerContext &C, const CallExpr *CE,
if (sym)
state = resolvePossiblyDestroyedMutex(state, lockR, sym);
- SVal X = state->getSVal(CE, C.getLocationContext());
+ SVal X = C.getSVal(CE);
if (X.isUnknownOrUndef())
return;