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Differential D39469 Diff 121060 llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp

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llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp

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#include <sstream> #include <sstream>
#include <string> #include <string>
#include <tuple> #include <tuple>
using namespace llvm; using namespace llvm;
#define DEBUG_TYPE "asan" #define DEBUG_TYPE "asan"
#if defined(OVERRIDE_SHADOW_SCALE)
static const uint64_t kDefaultShadowScale = OVERRIDE_SHADOW_SCALE;
#else
static const uint64_t kDefaultShadowScale = 3; static const uint64_t kDefaultShadowScale = 3;
#endif
static const uint64_t kDefaultShadowOffset32 = 1ULL << 29; static const uint64_t kDefaultShadowOffset32 = 1ULL << 29;
static const uint64_t kDefaultShadowOffset64 = 1ULL << 44; static const uint64_t kDefaultShadowOffset64 = 1ULL << 44;
static const uint64_t kDynamicShadowSentinel = static const uint64_t kDynamicShadowSentinel =
std::numeric_limits<uint64_t>::max(); std::numeric_limits<uint64_t>::max();
static const uint64_t kIOSShadowOffset32 = 1ULL << 30; static const uint64_t kIOSShadowOffset32 = 1ULL << 30;
static const uint64_t kIOSSimShadowOffset32 = 1ULL << 30; static const uint64_t kIOSSimShadowOffset32 = 1ULL << 30;
static const uint64_t kIOSSimShadowOffset64 = kDefaultShadowOffset64; static const uint64_t kIOSSimShadowOffset64 = kDefaultShadowOffset64;
static const uint64_t kSmallX86_64ShadowOffset = 0x7FFF8000; // < 2G. static const uint64_t kSmallX86_64ShadowOffset = 0x7FFF8000; // < 2G.
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