This is an archive of the discontinued LLVM Phabricator instance.

Differential D46708

Register NetBSD/i386 in asan_mapping.h
ClosedPublic

Authored by krytarowski on May 10 2018, 11:13 AM.

Details

Reviewers
joerg
kcc
vitalybuka
Commits
rGb8238db4c4e0: Register NetBSD/i386 in asan_mapping.h
rL332027: Register NetBSD/i386 in asan_mapping.h
rCRT332027: Register NetBSD/i386 in asan_mapping.h
Summary

Introduce kNetBSD_ShadowOffset32 and document
NetBSD/i386 (hosted on amd64 kernel) process virtual
address space ranges.

Sponsored by <The NetBSD Foundation>

Diff Detail

Event Timeline

krytarowski created this revision.May 10 2018, 11:13 AM
Herald added subscribers: llvm-commits, kubamracek. · View Herald TranscriptMay 10 2018, 11:13 AM
vitalybuka accepted this revision.May 10 2018, 11:14 AM
This revision is now accepted and ready to land.May 10 2018, 11:14 AM
Closed by commit rCRT332027: Register NetBSD/i386 in asan_mapping.h (authored by kamil). · Explain WhyMay 10 2018, 12:55 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
lib/
asan/
10 lines

Diff 146199

lib/asan/asan_mapping.h

Show First 20 Lines • Show All 116 Lines • ▼ Show 20 Lines
// //
// Shadow mapping on NetBSD/x86-64 with SHADOW_OFFSET == 0x400000000000: // Shadow mapping on NetBSD/x86-64 with SHADOW_OFFSET == 0x400000000000:
// || `[0x4feffffffe01, 0x7f7ffffff000]` || HighMem || // || `[0x4feffffffe01, 0x7f7ffffff000]` || HighMem ||
// || `[0x49fdffffffc0, 0x4feffffffe00]` || HighShadow || // || `[0x49fdffffffc0, 0x4feffffffe00]` || HighShadow ||
// || `[0x480000000000, 0x49fdffffffbf]` || ShadowGap || // || `[0x480000000000, 0x49fdffffffbf]` || ShadowGap ||
// || `[0x400000000000, 0x47ffffffffff]` || LowShadow || // || `[0x400000000000, 0x47ffffffffff]` || LowShadow ||
// || `[0x000000000000, 0x3fffffffffff]` || LowMem || // || `[0x000000000000, 0x3fffffffffff]` || LowMem ||
// //
// Shadow mapping on NerBSD/i386 with SHADOW_OFFSET == 0x40000000:
// || `[0x60000000, 0xfffff000]` || HighMem ||
// || `[0x4c000000, 0x5fffffff]` || HighShadow ||
// || `[0x48000000, 0x4bffffff]` || ShadowGap ||
// || `[0x40000000, 0x47ffffff]` || LowShadow ||
// || `[0x00000000, 0x3fffffff]` || LowMem ||
//
// Default Windows/i386 mapping: // Default Windows/i386 mapping:
// (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 ||
Show All 14 Lines
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 << 44; static const u64 kPPC64_ShadowOffset64 = 1ULL << 44;
static const u64 kSystemZ_ShadowOffset64 = 1ULL << 52; static const u64 kSystemZ_ShadowOffset64 = 1ULL << 52;
static const u64 kFreeBSD_ShadowOffset32 = 1ULL << 30; // 0x40000000 static const u64 kFreeBSD_ShadowOffset32 = 1ULL << 30; // 0x40000000
static const u64 kFreeBSD_ShadowOffset64 = 1ULL << 46; // 0x400000000000 static const u64 kFreeBSD_ShadowOffset64 = 1ULL << 46; // 0x400000000000
static const u64 kNetBSD_ShadowOffset32 = 1ULL << 30; // 0x40000000
static const u64 kNetBSD_ShadowOffset64 = 1ULL << 46; // 0x400000000000 static const u64 kNetBSD_ShadowOffset64 = 1ULL << 46; // 0x400000000000
static const u64 kWindowsShadowOffset32 = 3ULL << 28; // 0x30000000 static const u64 kWindowsShadowOffset32 = 3ULL << 28; // 0x30000000
#define SHADOW_SCALE kDefaultShadowScale #define SHADOW_SCALE kDefaultShadowScale
#if SANITIZER_FUCHSIA #if SANITIZER_FUCHSIA
# define SHADOW_OFFSET (0) # define SHADOW_OFFSET (0)
#elif SANITIZER_WORDSIZE == 32 #elif SANITIZER_WORDSIZE == 32
# if SANITIZER_ANDROID # if SANITIZER_ANDROID
# define SHADOW_OFFSET __asan_shadow_memory_dynamic_address # define SHADOW_OFFSET __asan_shadow_memory_dynamic_address
# elif defined(__mips__) # elif defined(__mips__)
# define SHADOW_OFFSET kMIPS32_ShadowOffset32 # define SHADOW_OFFSET kMIPS32_ShadowOffset32
# elif SANITIZER_FREEBSD # elif SANITIZER_FREEBSD
# define SHADOW_OFFSET kFreeBSD_ShadowOffset32 # define SHADOW_OFFSET kFreeBSD_ShadowOffset32
# elif SANITIZER_NETBSD
# define SHADOW_OFFSET kNetBSD_ShadowOffset32
# elif SANITIZER_WINDOWS # elif SANITIZER_WINDOWS
# define SHADOW_OFFSET kWindowsShadowOffset32 # define SHADOW_OFFSET kWindowsShadowOffset32
# elif SANITIZER_IOS # elif SANITIZER_IOS
# if SANITIZER_IOSSIM # if SANITIZER_IOSSIM
# define SHADOW_OFFSET kIosSimShadowOffset32 # define SHADOW_OFFSET kIosSimShadowOffset32
# else # else
# define SHADOW_OFFSET kIosShadowOffset32 # define SHADOW_OFFSET kIosShadowOffset32
# endif # endif
▲ Show 20 Lines • Show All 182 Lines • Show Last 20 Lines