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Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h | 1043 |
1 files changed, 1043 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h b/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h new file mode 100644 index 000000000000..377f8aeb8d66 --- /dev/null +++ b/contrib/llvm-project/compiler-rt/lib/tsan/rtl/tsan_platform.h @@ -0,0 +1,1043 @@ +//===-- tsan_platform.h -----------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file is a part of ThreadSanitizer (TSan), a race detector. +// +// Platform-specific code. +//===----------------------------------------------------------------------===// + +#ifndef TSAN_PLATFORM_H +#define TSAN_PLATFORM_H + +#if !defined(__LP64__) && !defined(_WIN64) +# error "Only 64-bit is supported" +#endif + +#include "sanitizer_common/sanitizer_common.h" +#include "tsan_defs.h" + +namespace __tsan { + +enum { + // App memory is not mapped onto shadow memory range. + kBrokenMapping = 1 << 0, + // Mapping app memory and back does not produce the same address, + // this can lead to wrong addresses in reports and potentially + // other bad consequences. + kBrokenReverseMapping = 1 << 1, + // Mapping is non-linear for linear user range. + // This is bad and can lead to unpredictable memory corruptions, etc + // because range access functions assume linearity. + kBrokenLinearity = 1 << 2, + // Meta for an app region overlaps with the meta of another app region. + // This is determined by recomputing the individual meta regions for + // each app region. + // + // N.B. There is no "kBrokenReverseMetaMapping" constant because there + // is no MetaToMem function. However, note that (!kBrokenLinearity + // && !kBrokenAliasedMetas) implies that MemToMeta is invertible. + kBrokenAliasedMetas = 1 << 3, +}; + +/* +C/C++ on linux/x86_64 and freebsd/x86_64 +0000 0000 1000 - 0200 0000 0000: main binary and/or MAP_32BIT mappings (2TB) +0200 0000 0000 - 1000 0000 0000: - +1000 0000 0000 - 3000 0000 0000: shadow (32TB) +3000 0000 0000 - 3800 0000 0000: metainfo (memory blocks and sync objects; 8TB) +3800 0000 0000 - 5500 0000 0000: - +5500 0000 0000 - 5a00 0000 0000: pie binaries without ASLR or on 4.1+ kernels +5a00 0000 0000 - 7200 0000 0000: - +7200 0000 0000 - 7300 0000 0000: heap (1TB) +7300 0000 0000 - 7a00 0000 0000: - +7a00 0000 0000 - 8000 0000 0000: modules and main thread stack (6TB) + +C/C++ on netbsd/amd64 can reuse the same mapping: + * The address space starts from 0x1000 (option with 0x0) and ends with + 0x7f7ffffff000. + * LoAppMem-kHeapMemEnd can be reused as it is. + * No VDSO support. + * No MidAppMem region. + * No additional HeapMem region. + * HiAppMem contains the stack, loader, shared libraries and heap. + * Stack on NetBSD/amd64 has prereserved 128MB. + * Heap grows downwards (top-down). + * ASLR must be disabled per-process or globally. +*/ +struct Mapping48AddressSpace { + static const uptr kMetaShadowBeg = 0x300000000000ull; + static const uptr kMetaShadowEnd = 0x380000000000ull; + static const uptr kShadowBeg = 0x100000000000ull; + static const uptr kShadowEnd = 0x300000000000ull; + static const uptr kHeapMemBeg = 0x720000000000ull; + static const uptr kHeapMemEnd = 0x730000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x020000000000ull; + static const uptr kMidAppMemBeg = 0x550000000000ull; + static const uptr kMidAppMemEnd = 0x5a0000000000ull; + static const uptr kHiAppMemBeg = 0x7a0000000000ull; + static const uptr kHiAppMemEnd = 0x800000000000ull; + static const uptr kShadowMsk = 0x700000000000ull; + static const uptr kShadowXor = 0x000000000000ull; + static const uptr kShadowAdd = 0x100000000000ull; + static const uptr kVdsoBeg = 0xf000000000000000ull; +}; + +/* +C/C++ on linux/mips64 (40-bit VMA) +0000 0000 00 - 0100 0000 00: - (4 GB) +0100 0000 00 - 0200 0000 00: main binary (4 GB) +0200 0000 00 - 1200 0000 00: - (64 GB) +1200 0000 00 - 2200 0000 00: shadow (64 GB) +2200 0000 00 - 4000 0000 00: - (120 GB) +4000 0000 00 - 5000 0000 00: metainfo (memory blocks and sync objects) (64 GB) +5000 0000 00 - aa00 0000 00: - (360 GB) +aa00 0000 00 - ab00 0000 00: main binary (PIE) (4 GB) +ab00 0000 00 - fe00 0000 00: - (332 GB) +fe00 0000 00 - ff00 0000 00: heap (4 GB) +ff00 0000 00 - ff80 0000 00: - (2 GB) +ff80 0000 00 - ffff ffff ff: modules and main thread stack (<2 GB) +*/ +struct MappingMips64_40 { + static const uptr kMetaShadowBeg = 0x4000000000ull; + static const uptr kMetaShadowEnd = 0x5000000000ull; + static const uptr kShadowBeg = 0x1200000000ull; + static const uptr kShadowEnd = 0x2200000000ull; + static const uptr kHeapMemBeg = 0xfe00000000ull; + static const uptr kHeapMemEnd = 0xff00000000ull; + static const uptr kLoAppMemBeg = 0x0100000000ull; + static const uptr kLoAppMemEnd = 0x0200000000ull; + static const uptr kMidAppMemBeg = 0xaa00000000ull; + static const uptr kMidAppMemEnd = 0xab00000000ull; + static const uptr kHiAppMemBeg = 0xff80000000ull; + static const uptr kHiAppMemEnd = 0xffffffffffull; + static const uptr kShadowMsk = 0xf800000000ull; + static const uptr kShadowXor = 0x0800000000ull; + static const uptr kShadowAdd = 0x0000000000ull; + static const uptr kVdsoBeg = 0xfffff00000ull; +}; + +/* +C/C++ on Darwin/iOS/ARM64 (36-bit VMA, 64 GB VM) +0000 0000 00 - 0100 0000 00: - (4 GB) +0100 0000 00 - 0200 0000 00: main binary, modules, thread stacks (4 GB) +0200 0000 00 - 0300 0000 00: heap (4 GB) +0300 0000 00 - 0400 0000 00: - (4 GB) +0400 0000 00 - 0800 0000 00: shadow memory (16 GB) +0800 0000 00 - 0d00 0000 00: - (20 GB) +0d00 0000 00 - 0e00 0000 00: metainfo (4 GB) +0e00 0000 00 - 1000 0000 00: - +*/ +struct MappingAppleAarch64 { + static const uptr kLoAppMemBeg = 0x0100000000ull; + static const uptr kLoAppMemEnd = 0x0200000000ull; + static const uptr kHeapMemBeg = 0x0200000000ull; + static const uptr kHeapMemEnd = 0x0300000000ull; + static const uptr kShadowBeg = 0x0400000000ull; + static const uptr kShadowEnd = 0x0800000000ull; + static const uptr kMetaShadowBeg = 0x0d00000000ull; + static const uptr kMetaShadowEnd = 0x0e00000000ull; + static const uptr kHiAppMemBeg = 0x0fc0000000ull; + static const uptr kHiAppMemEnd = 0x0fc0000000ull; + static const uptr kShadowMsk = 0x0ull; + static const uptr kShadowXor = 0x0ull; + static const uptr kShadowAdd = 0x0200000000ull; + static const uptr kVdsoBeg = 0x7000000000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; +}; + +/* +C/C++ on linux/aarch64 (39-bit VMA) +0000 0010 00 - 0500 0000 00: main binary (20 GB) +0100 0000 00 - 2000 0000 00: - +2000 0000 00 - 4000 0000 00: shadow memory (128 GB) +4000 0000 00 - 4800 0000 00: metainfo (32 GB) +4800 0000 00 - 5500 0000 00: - +5500 0000 00 - 5a00 0000 00: main binary (PIE) (20 GB) +5600 0000 00 - 7c00 0000 00: - +7a00 0000 00 - 7d00 0000 00: heap (12 GB) +7d00 0000 00 - 7fff ffff ff: modules and main thread stack (12 GB) +*/ +struct MappingAarch64_39 { + static const uptr kLoAppMemBeg = 0x0000001000ull; + static const uptr kLoAppMemEnd = 0x0500000000ull; + static const uptr kShadowBeg = 0x2000000000ull; + static const uptr kShadowEnd = 0x4000000000ull; + static const uptr kMetaShadowBeg = 0x4000000000ull; + static const uptr kMetaShadowEnd = 0x4800000000ull; + static const uptr kMidAppMemBeg = 0x5500000000ull; + static const uptr kMidAppMemEnd = 0x5a00000000ull; + static const uptr kHeapMemBeg = 0x7a00000000ull; + static const uptr kHeapMemEnd = 0x7d00000000ull; + static const uptr kHiAppMemBeg = 0x7d00000000ull; + static const uptr kHiAppMemEnd = 0x7fffffffffull; + static const uptr kShadowMsk = 0x7000000000ull; + static const uptr kShadowXor = 0x1000000000ull; + static const uptr kShadowAdd = 0x0000000000ull; + static const uptr kVdsoBeg = 0x7f00000000ull; +}; + +/* +C/C++ on linux/aarch64 (42-bit VMA) +00000 0010 00 - 02000 0000 00: main binary (128 GB) +02000 0000 00 - 08000 0000 00: - +10000 0000 00 - 20000 0000 00: shadow memory (1024 GB) +20000 0000 00 - 24000 0000 00: metainfo (256 GB) +24000 0000 00 - 2aa00 0000 00: - +2aa00 0000 00 - 2c000 0000 00: main binary (PIE) (88 GB) +2c000 0000 00 - 3c000 0000 00: - +3c000 0000 00 - 3f000 0000 00: heap (192 GB) +3f000 0000 00 - 3ffff ffff ff: modules and main thread stack (64 GB) +*/ +struct MappingAarch64_42 { + static const uptr kLoAppMemBeg = 0x00000001000ull; + static const uptr kLoAppMemEnd = 0x02000000000ull; + static const uptr kShadowBeg = 0x10000000000ull; + static const uptr kShadowEnd = 0x20000000000ull; + static const uptr kMetaShadowBeg = 0x20000000000ull; + static const uptr kMetaShadowEnd = 0x24000000000ull; + static const uptr kMidAppMemBeg = 0x2aa00000000ull; + static const uptr kMidAppMemEnd = 0x2c000000000ull; + static const uptr kHeapMemBeg = 0x3c000000000ull; + static const uptr kHeapMemEnd = 0x3f000000000ull; + static const uptr kHiAppMemBeg = 0x3f000000000ull; + static const uptr kHiAppMemEnd = 0x3ffffffffffull; + static const uptr kShadowMsk = 0x38000000000ull; + static const uptr kShadowXor = 0x08000000000ull; + static const uptr kShadowAdd = 0x00000000000ull; + static const uptr kVdsoBeg = 0x37f00000000ull; +}; + +/* +C/C++ on linux/aarch64 (48-bit VMA) +0000 0000 1000 - 0a00 0000 0000: main binary (10240 GB) +0a00 0000 1000 - 1554 0000 0000: - +1554 0000 1000 - 5400 0000 0000: shadow memory (64176 GB) +5400 0000 1000 - 8000 0000 0000: - +8000 0000 1000 - 0a00 0000 0000: metainfo (32768 GB) +a000 0000 1000 - aaaa 0000 0000: - +aaaa 0000 1000 - ac00 0000 0000: main binary (PIE) (1368 GB) +ac00 0000 1000 - fc00 0000 0000: - +fc00 0000 1000 - ffff ffff ffff: modules and main thread stack (4096 GB) + +N.B. the shadow memory region has a strange start address, because it +contains the shadows for the mid, high and low app regions (in this +unusual order). +*/ +struct MappingAarch64_48 { + static const uptr kLoAppMemBeg = 0x0000000001000ull; + static const uptr kLoAppMemEnd = 0x00a0000000000ull; + static const uptr kShadowBeg = 0x0155400000000ull; + static const uptr kShadowEnd = 0x0540000000000ull; + static const uptr kMetaShadowBeg = 0x0800000000000ull; + static const uptr kMetaShadowEnd = 0x0a00000000000ull; + static const uptr kMidAppMemBeg = 0x0aaaa00000000ull; + static const uptr kMidAppMemEnd = 0x0ac0000000000ull; + static const uptr kHiAppMemBeg = 0x0fc0000000000ull; + static const uptr kHiAppMemEnd = 0x1000000000000ull; + static const uptr kHeapMemBeg = 0x0fc0000000000ull; + static const uptr kHeapMemEnd = 0x0fc0000000000ull; + static const uptr kShadowMsk = 0x0c00000000000ull; + static const uptr kShadowXor = 0x0200000000000ull; + static const uptr kShadowAdd = 0x0000000000000ull; + static const uptr kVdsoBeg = 0xffff000000000ull; +}; + +/* C/C++ on linux/loongarch64 (47-bit VMA) +0000 0000 4000 - 0080 0000 0000: main binary +0080 0000 0000 - 0100 0000 0000: - +0100 0000 0000 - 1000 0000 0000: shadow memory +1000 0000 0000 - 3000 0000 0000: - +3000 0000 0000 - 3400 0000 0000: metainfo +3400 0000 0000 - 5555 0000 0000: - +5555 0000 0000 - 5556 0000 0000: main binary (PIE) +5556 0000 0000 - 7ffe 0000 0000: - +7ffe 0000 0000 - 7fff 0000 0000: heap +7fff 0000 0000 - 7fff 8000 0000: - +7fff 8000 0000 - 8000 0000 0000: modules and main thread stack +*/ +struct MappingLoongArch64_47 { + static const uptr kMetaShadowBeg = 0x300000000000ull; + static const uptr kMetaShadowEnd = 0x340000000000ull; + static const uptr kShadowBeg = 0x010000000000ull; + static const uptr kShadowEnd = 0x100000000000ull; + static const uptr kHeapMemBeg = 0x7ffe00000000ull; + static const uptr kHeapMemEnd = 0x7fff00000000ull; + static const uptr kLoAppMemBeg = 0x000000004000ull; + static const uptr kLoAppMemEnd = 0x008000000000ull; + static const uptr kMidAppMemBeg = 0x555500000000ull; + static const uptr kMidAppMemEnd = 0x555600000000ull; + static const uptr kHiAppMemBeg = 0x7fff80000000ull; + static const uptr kHiAppMemEnd = 0x800000000000ull; + static const uptr kShadowMsk = 0x780000000000ull; + static const uptr kShadowXor = 0x040000000000ull; + static const uptr kShadowAdd = 0x000000000000ull; + static const uptr kVdsoBeg = 0x7fffffffc000ull; +}; + +/* +C/C++ on linux/powerpc64 (44-bit VMA) +0000 0000 0100 - 0001 0000 0000: main binary +0001 0000 0000 - 0001 0000 0000: - +0001 0000 0000 - 0b00 0000 0000: shadow +0b00 0000 0000 - 0b00 0000 0000: - +0b00 0000 0000 - 0d00 0000 0000: metainfo (memory blocks and sync objects) +0d00 0000 0000 - 0f00 0000 0000: - +0f00 0000 0000 - 0f50 0000 0000: heap +0f50 0000 0000 - 0f60 0000 0000: - +0f60 0000 0000 - 1000 0000 0000: modules and main thread stack +*/ +struct MappingPPC64_44 { + static const uptr kBroken = kBrokenMapping | kBrokenReverseMapping | + kBrokenLinearity | kBrokenAliasedMetas; + static const uptr kMetaShadowBeg = 0x0b0000000000ull; + static const uptr kMetaShadowEnd = 0x0d0000000000ull; + static const uptr kShadowBeg = 0x000100000000ull; + static const uptr kShadowEnd = 0x0b0000000000ull; + static const uptr kLoAppMemBeg = 0x000000000100ull; + static const uptr kLoAppMemEnd = 0x000100000000ull; + static const uptr kHeapMemBeg = 0x0f0000000000ull; + static const uptr kHeapMemEnd = 0x0f5000000000ull; + static const uptr kHiAppMemBeg = 0x0f6000000000ull; + static const uptr kHiAppMemEnd = 0x100000000000ull; // 44 bits + static const uptr kShadowMsk = 0x0f0000000000ull; + static const uptr kShadowXor = 0x002100000000ull; + static const uptr kShadowAdd = 0x000000000000ull; + static const uptr kVdsoBeg = 0x3c0000000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; +}; + +/* +C/C++ on linux/powerpc64 (46-bit VMA) +0000 0000 1000 - 0100 0000 0000: main binary +0100 0000 0000 - 0200 0000 0000: - +0100 0000 0000 - 0800 0000 0000: shadow +0800 0000 0000 - 1000 0000 0000: - +1000 0000 0000 - 1200 0000 0000: metainfo (memory blocks and sync objects) +1200 0000 0000 - 3d00 0000 0000: - +3d00 0000 0000 - 3e00 0000 0000: heap +3e00 0000 0000 - 3e80 0000 0000: - +3e80 0000 0000 - 4000 0000 0000: modules and main thread stack +*/ +struct MappingPPC64_46 { + static const uptr kMetaShadowBeg = 0x100000000000ull; + static const uptr kMetaShadowEnd = 0x120000000000ull; + static const uptr kShadowBeg = 0x010000000000ull; + static const uptr kShadowEnd = 0x080000000000ull; + static const uptr kHeapMemBeg = 0x3d0000000000ull; + static const uptr kHeapMemEnd = 0x3e0000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x010000000000ull; + static const uptr kHiAppMemBeg = 0x3e8000000000ull; + static const uptr kHiAppMemEnd = 0x400000000000ull; // 46 bits + static const uptr kShadowMsk = 0x3c0000000000ull; + static const uptr kShadowXor = 0x020000000000ull; + static const uptr kShadowAdd = 0x000000000000ull; + static const uptr kVdsoBeg = 0x7800000000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; +}; + +/* +C/C++ on linux/powerpc64 (47-bit VMA) +0000 0000 1000 - 0100 0000 0000: main binary +0100 0000 0000 - 0200 0000 0000: - +0100 0000 0000 - 0800 0000 0000: shadow +0800 0000 0000 - 1000 0000 0000: - +1000 0000 0000 - 1200 0000 0000: metainfo (memory blocks and sync objects) +1200 0000 0000 - 7d00 0000 0000: - +7d00 0000 0000 - 7e00 0000 0000: heap +7e00 0000 0000 - 7e80 0000 0000: - +7e80 0000 0000 - 8000 0000 0000: modules and main thread stack +*/ +struct MappingPPC64_47 { + static const uptr kMetaShadowBeg = 0x100000000000ull; + static const uptr kMetaShadowEnd = 0x120000000000ull; + static const uptr kShadowBeg = 0x010000000000ull; + static const uptr kShadowEnd = 0x080000000000ull; + static const uptr kHeapMemBeg = 0x7d0000000000ull; + static const uptr kHeapMemEnd = 0x7e0000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x010000000000ull; + static const uptr kHiAppMemBeg = 0x7e8000000000ull; + static const uptr kHiAppMemEnd = 0x800000000000ull; // 47 bits + static const uptr kShadowMsk = 0x7c0000000000ull; + static const uptr kShadowXor = 0x020000000000ull; + static const uptr kShadowAdd = 0x000000000000ull; + static const uptr kVdsoBeg = 0x7800000000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; +}; + +/* +C/C++ on linux/riscv64 (39-bit VMA) +0000 0010 00 - 0200 0000 00: main binary ( 8 GB) +0200 0000 00 - 1000 0000 00: - +1000 0000 00 - 4000 0000 00: shadow memory (64 GB) +4000 0000 00 - 4800 0000 00: metainfo (16 GB) +4800 0000 00 - 5500 0000 00: - +5500 0000 00 - 5a00 0000 00: main binary (PIE) (~8 GB) +5600 0000 00 - 7c00 0000 00: - +7d00 0000 00 - 7fff ffff ff: libraries and main thread stack ( 8 GB) + +mmap by default allocates from top downwards +VDSO sits below loader and above dynamic libraries, within HiApp region. +Heap starts after program region whose position depends on pie or non-pie. +Disable tracking them since their locations are not fixed. +*/ +struct MappingRiscv64_39 { + static const uptr kLoAppMemBeg = 0x0000001000ull; + static const uptr kLoAppMemEnd = 0x0200000000ull; + static const uptr kShadowBeg = 0x1000000000ull; + static const uptr kShadowEnd = 0x2000000000ull; + static const uptr kMetaShadowBeg = 0x2000000000ull; + static const uptr kMetaShadowEnd = 0x2400000000ull; + static const uptr kMidAppMemBeg = 0x2aaaaaa000ull; + static const uptr kMidAppMemEnd = 0x2c00000000ull; + static const uptr kHeapMemBeg = 0x2c00000000ull; + static const uptr kHeapMemEnd = 0x2c00000000ull; + static const uptr kHiAppMemBeg = 0x3c00000000ull; + static const uptr kHiAppMemEnd = 0x3fffffffffull; + static const uptr kShadowMsk = 0x3800000000ull; + static const uptr kShadowXor = 0x0800000000ull; + static const uptr kShadowAdd = 0x0000000000ull; + static const uptr kVdsoBeg = 0x4000000000ull; +}; + +/* +C/C++ on linux/riscv64 (48-bit VMA) +0000 0000 1000 - 0400 0000 0000: main binary ( 4 TB) +0500 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 4000 0000 0000: shadow memory (32 TB) +4000 0000 0000 - 4800 0000 0000: metainfo ( 8 TB) +4800 0000 0000 - 5555 5555 5000: - +5555 5555 5000 - 5a00 0000 0000: main binary (PIE) (~5 TB) +5a00 0000 0000 - 7a00 0000 0000: - +7a00 0000 0000 - 7fff ffff ffff: libraries and main thread stack ( 6 TB) +*/ +struct MappingRiscv64_48 { + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x040000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x400000000000ull; + static const uptr kMetaShadowBeg = 0x400000000000ull; + static const uptr kMetaShadowEnd = 0x480000000000ull; + static const uptr kMidAppMemBeg = 0x555555555000ull; + static const uptr kMidAppMemEnd = 0x5a0000000000ull; + static const uptr kHeapMemBeg = 0x5a0000000000ull; + static const uptr kHeapMemEnd = 0x5a0000000000ull; + static const uptr kHiAppMemBeg = 0x7a0000000000ull; + static const uptr kHiAppMemEnd = 0x7fffffffffffull; + static const uptr kShadowMsk = 0x700000000000ull; + static const uptr kShadowXor = 0x100000000000ull; + static const uptr kShadowAdd = 0x000000000000ull; + static const uptr kVdsoBeg = 0x800000000000ull; +}; + +/* +C/C++ on linux/s390x +While the kernel provides a 64-bit address space, we have to restrict ourselves +to 48 bits due to how e.g. SyncVar::GetId() works. +0000 0000 1000 - 0e00 0000 0000: binary, modules, stacks - 14 TiB +0e00 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 4000 0000 0000: shadow - 32TiB (2 * app) +4000 0000 0000 - 9000 0000 0000: - +9000 0000 0000 - 9800 0000 0000: metainfo - 8TiB (0.5 * app) +9800 0000 0000 - be00 0000 0000: - +be00 0000 0000 - c000 0000 0000: heap - 2TiB (max supported by the allocator) +*/ +struct MappingS390x { + static const uptr kMetaShadowBeg = 0x900000000000ull; + static const uptr kMetaShadowEnd = 0x980000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x400000000000ull; + static const uptr kHeapMemBeg = 0xbe0000000000ull; + static const uptr kHeapMemEnd = 0xc00000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x0e0000000000ull; + static const uptr kHiAppMemBeg = 0xc00000004000ull; + static const uptr kHiAppMemEnd = 0xc00000004000ull; + static const uptr kShadowMsk = 0xb00000000000ull; + static const uptr kShadowXor = 0x100000000000ull; + static const uptr kShadowAdd = 0x000000000000ull; + static const uptr kVdsoBeg = 0xfffffffff000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; +}; + +/* Go on linux, darwin and freebsd on x86_64 +0000 0000 1000 - 0000 1000 0000: executable +0000 1000 0000 - 00c0 0000 0000: - +00c0 0000 0000 - 00e0 0000 0000: heap +00e0 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 21c0 0000 0000: shadow +21c0 0000 0000 - 3000 0000 0000: - +3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects) +4000 0000 0000 - 8000 0000 0000: - +*/ + +struct MappingGo48 { + static const uptr kMetaShadowBeg = 0x300000000000ull; + static const uptr kMetaShadowEnd = 0x400000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x21c000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x00e000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x200000000000ull; +}; + +/* Go on windows +0000 0000 1000 - 0000 1000 0000: executable +0000 1000 0000 - 00f8 0000 0000: - +00c0 0000 0000 - 00e0 0000 0000: heap +00e0 0000 0000 - 0100 0000 0000: - +0100 0000 0000 - 0300 0000 0000: shadow +0300 0000 0000 - 0700 0000 0000: - +0700 0000 0000 - 0770 0000 0000: metainfo (memory blocks and sync objects) +07d0 0000 0000 - 8000 0000 0000: - +PIE binaries currently not supported, but it should be theoretically possible. +*/ + +struct MappingGoWindows { + static const uptr kMetaShadowBeg = 0x070000000000ull; + static const uptr kMetaShadowEnd = 0x077000000000ull; + static const uptr kShadowBeg = 0x010000000000ull; + static const uptr kShadowEnd = 0x030000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x00e000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x010000000000ull; +}; + +/* Go on linux/powerpc64 (46-bit VMA) +0000 0000 1000 - 0000 1000 0000: executable +0000 1000 0000 - 00c0 0000 0000: - +00c0 0000 0000 - 00e0 0000 0000: heap +00e0 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 21c0 0000 0000: shadow +21c0 0000 0000 - 2400 0000 0000: - +2400 0000 0000 - 2470 0000 0000: metainfo (memory blocks and sync objects) +2470 0000 0000 - 4000 0000 0000: - +*/ + +struct MappingGoPPC64_46 { + static const uptr kMetaShadowBeg = 0x240000000000ull; + static const uptr kMetaShadowEnd = 0x247000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x21c000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x00e000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x200000000000ull; +}; + +/* Go on linux/powerpc64 (47-bit VMA) +0000 0000 1000 - 0000 1000 0000: executable +0000 1000 0000 - 00c0 0000 0000: - +00c0 0000 0000 - 00e0 0000 0000: heap +00e0 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 2800 0000 0000: shadow +2800 0000 0000 - 3000 0000 0000: - +3000 0000 0000 - 3200 0000 0000: metainfo (memory blocks and sync objects) +3200 0000 0000 - 8000 0000 0000: - +*/ + +struct MappingGoPPC64_47 { + static const uptr kMetaShadowBeg = 0x300000000000ull; + static const uptr kMetaShadowEnd = 0x320000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x280000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x00e000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x200000000000ull; +}; + +/* Go on linux/aarch64 (48-bit VMA) and darwin/aarch64 (47-bit VMA) +0000 0000 1000 - 0000 1000 0000: executable +0000 1000 0000 - 00c0 0000 0000: - +00c0 0000 0000 - 00e0 0000 0000: heap +00e0 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 2800 0000 0000: shadow +2800 0000 0000 - 3000 0000 0000: - +3000 0000 0000 - 3200 0000 0000: metainfo (memory blocks and sync objects) +3200 0000 0000 - 8000 0000 0000: - +*/ +struct MappingGoAarch64 { + static const uptr kMetaShadowBeg = 0x300000000000ull; + static const uptr kMetaShadowEnd = 0x320000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x280000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x00e000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x200000000000ull; +}; + +/* Go on linux/loongarch64 (47-bit VMA) +0000 0000 1000 - 0000 1000 0000: executable +0000 1000 0000 - 00c0 0000 0000: - +00c0 0000 0000 - 00e0 0000 0000: heap +00e0 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 2800 0000 0000: shadow +2800 0000 0000 - 3000 0000 0000: - +3000 0000 0000 - 3200 0000 0000: metainfo (memory blocks and sync objects) +3200 0000 0000 - 8000 0000 0000: - +*/ +struct MappingGoLoongArch64_47 { + static const uptr kMetaShadowBeg = 0x300000000000ull; + static const uptr kMetaShadowEnd = 0x320000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x280000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x00e000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x200000000000ull; +}; + +/* +Go on linux/mips64 (47-bit VMA) +0000 0000 1000 - 0000 1000 0000: executable +0000 1000 0000 - 00c0 0000 0000: - +00c0 0000 0000 - 00e0 0000 0000: heap +00e0 0000 0000 - 2000 0000 0000: - +2000 0000 0000 - 2800 0000 0000: shadow +2800 0000 0000 - 3000 0000 0000: - +3000 0000 0000 - 3200 0000 0000: metainfo (memory blocks and sync objects) +3200 0000 0000 - 8000 0000 0000: - +*/ +struct MappingGoMips64_47 { + static const uptr kMetaShadowBeg = 0x300000000000ull; + static const uptr kMetaShadowEnd = 0x320000000000ull; + static const uptr kShadowBeg = 0x200000000000ull; + static const uptr kShadowEnd = 0x280000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x00e000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x200000000000ull; +}; + +/* +Go on linux/s390x +0000 0000 1000 - 1000 0000 0000: executable and heap - 16 TiB +1000 0000 0000 - 4000 0000 0000: - +4000 0000 0000 - 6000 0000 0000: shadow - 64TiB (4 * app) +6000 0000 0000 - 9000 0000 0000: - +9000 0000 0000 - 9800 0000 0000: metainfo - 8TiB (0.5 * app) +*/ +struct MappingGoS390x { + static const uptr kMetaShadowBeg = 0x900000000000ull; + static const uptr kMetaShadowEnd = 0x980000000000ull; + static const uptr kShadowBeg = 0x400000000000ull; + static const uptr kShadowEnd = 0x600000000000ull; + static const uptr kLoAppMemBeg = 0x000000001000ull; + static const uptr kLoAppMemEnd = 0x100000000000ull; + static const uptr kMidAppMemBeg = 0; + static const uptr kMidAppMemEnd = 0; + static const uptr kHiAppMemBeg = 0; + static const uptr kHiAppMemEnd = 0; + static const uptr kHeapMemBeg = 0; + static const uptr kHeapMemEnd = 0; + static const uptr kVdsoBeg = 0; + static const uptr kShadowMsk = 0; + static const uptr kShadowXor = 0; + static const uptr kShadowAdd = 0x400000000000ull; +}; + +extern uptr vmaSize; + +template <typename Func, typename Arg> +ALWAYS_INLINE auto SelectMapping(Arg arg) { +#if SANITIZER_GO +# if defined(__powerpc64__) + switch (vmaSize) { + case 46: + return Func::template Apply<MappingGoPPC64_46>(arg); + case 47: + return Func::template Apply<MappingGoPPC64_47>(arg); + } +# elif defined(__mips64) + return Func::template Apply<MappingGoMips64_47>(arg); +# elif defined(__s390x__) + return Func::template Apply<MappingGoS390x>(arg); +# elif defined(__aarch64__) + return Func::template Apply<MappingGoAarch64>(arg); +# elif defined(__loongarch_lp64) + return Func::template Apply<MappingGoLoongArch64_47>(arg); +# elif SANITIZER_WINDOWS + return Func::template Apply<MappingGoWindows>(arg); +# else + return Func::template Apply<MappingGo48>(arg); +# endif +#else // SANITIZER_GO +# if SANITIZER_IOS && !SANITIZER_IOSSIM + return Func::template Apply<MappingAppleAarch64>(arg); +# elif defined(__x86_64__) || SANITIZER_APPLE + return Func::template Apply<Mapping48AddressSpace>(arg); +# elif defined(__aarch64__) + switch (vmaSize) { + case 39: + return Func::template Apply<MappingAarch64_39>(arg); + case 42: + return Func::template Apply<MappingAarch64_42>(arg); + case 48: + return Func::template Apply<MappingAarch64_48>(arg); + } +# elif SANITIZER_LOONGARCH64 + return Func::template Apply<MappingLoongArch64_47>(arg); +# elif defined(__powerpc64__) + switch (vmaSize) { + case 44: + return Func::template Apply<MappingPPC64_44>(arg); + case 46: + return Func::template Apply<MappingPPC64_46>(arg); + case 47: + return Func::template Apply<MappingPPC64_47>(arg); + } +# elif defined(__mips64) + return Func::template Apply<MappingMips64_40>(arg); +# elif SANITIZER_RISCV64 + switch (vmaSize) { + case 39: + return Func::template Apply<MappingRiscv64_39>(arg); + case 48: + return Func::template Apply<MappingRiscv64_48>(arg); + } +# elif defined(__s390x__) + return Func::template Apply<MappingS390x>(arg); +# else +# error "unsupported platform" +# endif +#endif + Die(); +} + +template <typename Func> +void ForEachMapping() { + Func::template Apply<Mapping48AddressSpace>(); + Func::template Apply<MappingMips64_40>(); + Func::template Apply<MappingAppleAarch64>(); + Func::template Apply<MappingAarch64_39>(); + Func::template Apply<MappingAarch64_42>(); + Func::template Apply<MappingAarch64_48>(); + Func::template Apply<MappingLoongArch64_47>(); + Func::template Apply<MappingPPC64_44>(); + Func::template Apply<MappingPPC64_46>(); + Func::template Apply<MappingPPC64_47>(); + Func::template Apply<MappingRiscv64_39>(); + Func::template Apply<MappingRiscv64_48>(); + Func::template Apply<MappingS390x>(); + Func::template Apply<MappingGo48>(); + Func::template Apply<MappingGoWindows>(); + Func::template Apply<MappingGoPPC64_46>(); + Func::template Apply<MappingGoPPC64_47>(); + Func::template Apply<MappingGoAarch64>(); + Func::template Apply<MappingGoLoongArch64_47>(); + Func::template Apply<MappingGoMips64_47>(); + Func::template Apply<MappingGoS390x>(); +} + +enum MappingType { + kLoAppMemBeg, + kLoAppMemEnd, + kHiAppMemBeg, + kHiAppMemEnd, + kMidAppMemBeg, + kMidAppMemEnd, + kHeapMemBeg, + kHeapMemEnd, + kShadowBeg, + kShadowEnd, + kMetaShadowBeg, + kMetaShadowEnd, + kVdsoBeg, +}; + +struct MappingField { + template <typename Mapping> + static uptr Apply(MappingType type) { + switch (type) { + case kLoAppMemBeg: + return Mapping::kLoAppMemBeg; + case kLoAppMemEnd: + return Mapping::kLoAppMemEnd; + case kMidAppMemBeg: + return Mapping::kMidAppMemBeg; + case kMidAppMemEnd: + return Mapping::kMidAppMemEnd; + case kHiAppMemBeg: + return Mapping::kHiAppMemBeg; + case kHiAppMemEnd: + return Mapping::kHiAppMemEnd; + case kHeapMemBeg: + return Mapping::kHeapMemBeg; + case kHeapMemEnd: + return Mapping::kHeapMemEnd; + case kVdsoBeg: + return Mapping::kVdsoBeg; + case kShadowBeg: + return Mapping::kShadowBeg; + case kShadowEnd: + return Mapping::kShadowEnd; + case kMetaShadowBeg: + return Mapping::kMetaShadowBeg; + case kMetaShadowEnd: + return Mapping::kMetaShadowEnd; + } + Die(); + } +}; + +ALWAYS_INLINE +uptr LoAppMemBeg(void) { return SelectMapping<MappingField>(kLoAppMemBeg); } +ALWAYS_INLINE +uptr LoAppMemEnd(void) { return SelectMapping<MappingField>(kLoAppMemEnd); } + +ALWAYS_INLINE +uptr MidAppMemBeg(void) { return SelectMapping<MappingField>(kMidAppMemBeg); } +ALWAYS_INLINE +uptr MidAppMemEnd(void) { return SelectMapping<MappingField>(kMidAppMemEnd); } + +ALWAYS_INLINE +uptr HeapMemBeg(void) { return SelectMapping<MappingField>(kHeapMemBeg); } +ALWAYS_INLINE +uptr HeapMemEnd(void) { return SelectMapping<MappingField>(kHeapMemEnd); } + +ALWAYS_INLINE +uptr HiAppMemBeg(void) { return SelectMapping<MappingField>(kHiAppMemBeg); } +ALWAYS_INLINE +uptr HiAppMemEnd(void) { return SelectMapping<MappingField>(kHiAppMemEnd); } + +ALWAYS_INLINE +uptr VdsoBeg(void) { return SelectMapping<MappingField>(kVdsoBeg); } + +ALWAYS_INLINE +uptr ShadowBeg(void) { return SelectMapping<MappingField>(kShadowBeg); } +ALWAYS_INLINE +uptr ShadowEnd(void) { return SelectMapping<MappingField>(kShadowEnd); } + +ALWAYS_INLINE +uptr MetaShadowBeg(void) { return SelectMapping<MappingField>(kMetaShadowBeg); } +ALWAYS_INLINE +uptr MetaShadowEnd(void) { return SelectMapping<MappingField>(kMetaShadowEnd); } + +struct IsAppMemImpl { + template <typename Mapping> + static bool Apply(uptr mem) { + return (mem >= Mapping::kHeapMemBeg && mem < Mapping::kHeapMemEnd) || + (mem >= Mapping::kMidAppMemBeg && mem < Mapping::kMidAppMemEnd) || + (mem >= Mapping::kLoAppMemBeg && mem < Mapping::kLoAppMemEnd) || + (mem >= Mapping::kHiAppMemBeg && mem < Mapping::kHiAppMemEnd); + } +}; + +ALWAYS_INLINE +bool IsAppMem(uptr mem) { return SelectMapping<IsAppMemImpl>(mem); } + +struct IsShadowMemImpl { + template <typename Mapping> + static bool Apply(uptr mem) { + return mem >= Mapping::kShadowBeg && mem <= Mapping::kShadowEnd; + } +}; + +ALWAYS_INLINE +bool IsShadowMem(RawShadow *p) { + return SelectMapping<IsShadowMemImpl>(reinterpret_cast<uptr>(p)); +} + +struct IsMetaMemImpl { + template <typename Mapping> + static bool Apply(uptr mem) { + return mem >= Mapping::kMetaShadowBeg && mem <= Mapping::kMetaShadowEnd; + } +}; + +ALWAYS_INLINE +bool IsMetaMem(const u32 *p) { + return SelectMapping<IsMetaMemImpl>(reinterpret_cast<uptr>(p)); +} + +struct MemToShadowImpl { + template <typename Mapping> + static uptr Apply(uptr x) { + DCHECK(IsAppMemImpl::Apply<Mapping>(x)); + return (((x) & ~(Mapping::kShadowMsk | (kShadowCell - 1))) ^ + Mapping::kShadowXor) * + kShadowMultiplier + + Mapping::kShadowAdd; + } +}; + +ALWAYS_INLINE +RawShadow *MemToShadow(uptr x) { + return reinterpret_cast<RawShadow *>(SelectMapping<MemToShadowImpl>(x)); +} + +struct MemToMetaImpl { + template <typename Mapping> + static u32 *Apply(uptr x) { + DCHECK(IsAppMemImpl::Apply<Mapping>(x)); + return (u32 *)(((((x) & ~(Mapping::kShadowMsk | (kMetaShadowCell - 1)))) / + kMetaShadowCell * kMetaShadowSize) | + Mapping::kMetaShadowBeg); + } +}; + +ALWAYS_INLINE +u32 *MemToMeta(uptr x) { return SelectMapping<MemToMetaImpl>(x); } + +struct ShadowToMemImpl { + template <typename Mapping> + static uptr Apply(uptr sp) { + if (!IsShadowMemImpl::Apply<Mapping>(sp)) + return 0; + // The shadow mapping is non-linear and we've lost some bits, so we don't + // have an easy way to restore the original app address. But the mapping is + // a bijection, so we try to restore the address as belonging to + // low/mid/high range consecutively and see if shadow->app->shadow mapping + // gives us the same address. + uptr p = + ((sp - Mapping::kShadowAdd) / kShadowMultiplier) ^ Mapping::kShadowXor; + if (p >= Mapping::kLoAppMemBeg && p < Mapping::kLoAppMemEnd && + MemToShadowImpl::Apply<Mapping>(p) == sp) + return p; + if (Mapping::kMidAppMemBeg) { + uptr p_mid = p + (Mapping::kMidAppMemBeg & Mapping::kShadowMsk); + if (p_mid >= Mapping::kMidAppMemBeg && p_mid < Mapping::kMidAppMemEnd && + MemToShadowImpl::Apply<Mapping>(p_mid) == sp) + return p_mid; + } + return p | Mapping::kShadowMsk; + } +}; + +ALWAYS_INLINE +uptr ShadowToMem(RawShadow *s) { + return SelectMapping<ShadowToMemImpl>(reinterpret_cast<uptr>(s)); +} + +// Compresses addr to kCompressedAddrBits stored in least significant bits. +ALWAYS_INLINE uptr CompressAddr(uptr addr) { + return addr & ((1ull << kCompressedAddrBits) - 1); +} + +struct RestoreAddrImpl { + typedef uptr Result; + template <typename Mapping> + static Result Apply(uptr addr) { + // To restore the address we go over all app memory ranges and check if top + // 3 bits of the compressed addr match that of the app range. If yes, we + // assume that the compressed address come from that range and restore the + // missing top bits to match the app range address. + const uptr ranges[] = { + Mapping::kLoAppMemBeg, Mapping::kLoAppMemEnd, Mapping::kMidAppMemBeg, + Mapping::kMidAppMemEnd, Mapping::kHiAppMemBeg, Mapping::kHiAppMemEnd, + Mapping::kHeapMemBeg, Mapping::kHeapMemEnd, + }; + const uptr indicator = 0x0e0000000000ull; + const uptr ind_lsb = 1ull << LeastSignificantSetBitIndex(indicator); + for (uptr i = 0; i < ARRAY_SIZE(ranges); i += 2) { + uptr beg = ranges[i]; + uptr end = ranges[i + 1]; + if (beg == end) + continue; + for (uptr p = beg; p < end; p = RoundDown(p + ind_lsb, ind_lsb)) { + if ((addr & indicator) == (p & indicator)) + return addr | (p & ~(ind_lsb - 1)); + } + } + Printf("ThreadSanitizer: failed to restore address 0x%zx\n", addr); + Die(); + } +}; + +// Restores compressed addr from kCompressedAddrBits to full representation. +// This is called only during reporting and is not performance-critical. +inline uptr RestoreAddr(uptr addr) { + return SelectMapping<RestoreAddrImpl>(addr); +} + +void InitializePlatform(); +void InitializePlatformEarly(); +bool CheckAndProtect(bool protect, bool ignore_heap, bool print_warnings); +void InitializeShadowMemoryPlatform(); +void WriteMemoryProfile(char *buf, uptr buf_size, u64 uptime_ns); +int ExtractResolvFDs(void *state, int *fds, int nfd); +int ExtractRecvmsgFDs(void *msg, int *fds, int nfd); +uptr ExtractLongJmpSp(uptr *env); +void ImitateTlsWrite(ThreadState *thr, uptr tls_addr, uptr tls_size); + +int call_pthread_cancel_with_cleanup(int (*fn)(void *arg), + void (*cleanup)(void *arg), void *arg); + +void DestroyThreadState(); +void PlatformCleanUpThreadState(ThreadState *thr); + +} // namespace __tsan + +#endif // TSAN_PLATFORM_H |