diff options
author | Ted Kremenek <kremenek@apple.com> | 2010-12-23 19:38:26 +0000 |
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committer | Ted Kremenek <kremenek@apple.com> | 2010-12-23 19:38:26 +0000 |
commit | 21142581d55918beed544a757e4af3bb865b1812 (patch) | |
tree | c630a6cf82f6953372f1ea8f700d0d0a9372472c /lib/EntoSA/Checkers/FixedAddressChecker.cpp | |
parent | fd03843f0597de5eeced69ca9ae45c478fb2b153 (diff) |
Chris Lattner has strong opinions about directory
layout. :)
Rename the 'EntoSA' directories to 'StaticAnalyzer'.
Internally we will still use the 'ento' namespace
for the analyzer engine (unless there are further
sabre rattlings...).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122514 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/EntoSA/Checkers/FixedAddressChecker.cpp')
-rw-r--r-- | lib/EntoSA/Checkers/FixedAddressChecker.cpp | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/lib/EntoSA/Checkers/FixedAddressChecker.cpp b/lib/EntoSA/Checkers/FixedAddressChecker.cpp deleted file mode 100644 index ea736435d6..0000000000 --- a/lib/EntoSA/Checkers/FixedAddressChecker.cpp +++ /dev/null @@ -1,72 +0,0 @@ -//=== FixedAddressChecker.cpp - Fixed address usage checker ----*- C++ -*--===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This files defines FixedAddressChecker, a builtin checker that checks for -// assignment of a fixed address to a pointer. -// This check corresponds to CWE-587. -// -//===----------------------------------------------------------------------===// - -#include "ExprEngineInternalChecks.h" -#include "clang/EntoSA/BugReporter/BugType.h" -#include "clang/EntoSA/PathSensitive/CheckerVisitor.h" - -using namespace clang; -using namespace ento; - -namespace { -class FixedAddressChecker - : public CheckerVisitor<FixedAddressChecker> { - BuiltinBug *BT; -public: - FixedAddressChecker() : BT(0) {} - static void *getTag(); - void PreVisitBinaryOperator(CheckerContext &C, const BinaryOperator *B); -}; -} - -void *FixedAddressChecker::getTag() { - static int x; - return &x; -} - -void FixedAddressChecker::PreVisitBinaryOperator(CheckerContext &C, - const BinaryOperator *B) { - // Using a fixed address is not portable because that address will probably - // not be valid in all environments or platforms. - - if (B->getOpcode() != BO_Assign) - return; - - QualType T = B->getType(); - if (!T->isPointerType()) - return; - - const GRState *state = C.getState(); - - SVal RV = state->getSVal(B->getRHS()); - - if (!RV.isConstant() || RV.isZeroConstant()) - return; - - if (ExplodedNode *N = C.generateNode()) { - if (!BT) - BT = new BuiltinBug("Use fixed address", - "Using a fixed address is not portable because that " - "address will probably not be valid in all " - "environments or platforms."); - RangedBugReport *R = new RangedBugReport(*BT, BT->getDescription(), N); - R->addRange(B->getRHS()->getSourceRange()); - C.EmitReport(R); - } -} - -void ento::RegisterFixedAddressChecker(ExprEngine &Eng) { - Eng.registerCheck(new FixedAddressChecker()); -} |