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Differential D39469 Diff 121058 compiler-rt/lib/asan/asan_mapping.h

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compiler-rt/lib/asan/asan_mapping.h

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// (the exact location of HighShadow/HighMem may vary depending // (the exact location of HighShadow/HighMem may vary depending
// on WoW64, /LARGEADDRESSAWARE, etc). // on WoW64, /LARGEADDRESSAWARE, etc).
// || `[0x50000000, 0xffffffff]` || HighMem || // || `[0x50000000, 0xffffffff]` || HighMem ||
// || `[0x3a000000, 0x4fffffff]` || HighShadow || // || `[0x3a000000, 0x4fffffff]` || HighShadow ||
// || `[0x36000000, 0x39ffffff]` || ShadowGap || // || `[0x36000000, 0x39ffffff]` || ShadowGap ||
// || `[0x30000000, 0x35ffffff]` || LowShadow || // || `[0x30000000, 0x35ffffff]` || LowShadow ||
// || `[0x00000000, 0x2fffffff]` || LowMem || // || `[0x00000000, 0x2fffffff]` || LowMem ||
#if defined(OVERRIDE_SHADOW_SCALE)
static const u64 kDefaultShadowScale = OVERRIDE_SHADOW_SCALE;
vitalybukaUnsubmitted
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I assume that default for your platform will be changed in separate CL?

vitalybuka: I assume that default for your platform will be changed in separate CL?
waltlAuthorUnsubmitted
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Yes -- down the road when I upstream my port, which doesn't exist yet.

waltl: Yes -- down the road when I upstream my port, which doesn't exist yet.
#else
static const u64 kDefaultShadowScale = 3; static const u64 kDefaultShadowScale = 3;
#endif
static const u64 kDefaultShadowSentinel = ~(uptr)0; static const u64 kDefaultShadowSentinel = ~(uptr)0;
static const u64 kDefaultShadowOffset32 = 1ULL << 29; // 0x20000000 static const u64 kDefaultShadowOffset32 = 1ULL << 29; // 0x20000000
static const u64 kDefaultShadowOffset64 = 1ULL << 44; static const u64 kDefaultShadowOffset64 = 1ULL << 44;
static const u64 kDefaultShort64bitShadowOffset = 0x7FFF8000; // < 2G. static const u64 kDefaultShort64bitShadowOffset =
0x7FFFFFFF & ~((1 << (12 + kDefaultShadowScale)) - 1); // < 2G.
static const u64 kIosShadowOffset32 = 1ULL << 30; // 0x40000000 static const u64 kIosShadowOffset32 = 1ULL << 30; // 0x40000000
static const u64 kIosShadowOffset64 = 0x120200000; static const u64 kIosShadowOffset64 = 0x120200000;
static const u64 kIosSimShadowOffset32 = 1ULL << 30; static const u64 kIosSimShadowOffset32 = 1ULL << 30;
static const u64 kIosSimShadowOffset64 = kDefaultShadowOffset64; static const u64 kIosSimShadowOffset64 = kDefaultShadowOffset64;
static const u64 kAArch64_ShadowOffset64 = 1ULL << 36; static const u64 kAArch64_ShadowOffset64 = 1ULL << 36;
static const u64 kMIPS32_ShadowOffset32 = 0x0aaa0000; static const u64 kMIPS32_ShadowOffset32 = 0x0aaa0000;
static const u64 kMIPS64_ShadowOffset64 = 1ULL << 37; static const u64 kMIPS64_ShadowOffset64 = 1ULL << 37;
static const u64 kPPC64_ShadowOffset64 = 1ULL << 41; static const u64 kPPC64_ShadowOffset64 = 1ULL << 41;
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