forked from OSchip/llvm-project
830 lines
25 KiB
C++
830 lines
25 KiB
C++
//===-- tsan_platform.h -----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer (TSan), a race detector.
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//
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// Platform-specific code.
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//===----------------------------------------------------------------------===//
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#ifndef TSAN_PLATFORM_H
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#define TSAN_PLATFORM_H
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#if !defined(__LP64__) && !defined(_WIN64)
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# error "Only 64-bit is supported"
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#endif
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#include "tsan_defs.h"
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#include "tsan_trace.h"
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namespace __tsan {
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#if !SANITIZER_GO
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#if defined(__x86_64__)
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/*
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C/C++ on linux/x86_64 and freebsd/x86_64
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0000 0000 1000 - 0080 0000 0000: main binary and/or MAP_32BIT mappings (512GB)
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0040 0000 0000 - 0100 0000 0000: -
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0100 0000 0000 - 2000 0000 0000: shadow
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2000 0000 0000 - 3000 0000 0000: -
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3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects)
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4000 0000 0000 - 5500 0000 0000: -
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5500 0000 0000 - 5680 0000 0000: pie binaries without ASLR or on 4.1+ kernels
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5680 0000 0000 - 6000 0000 0000: -
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6000 0000 0000 - 6200 0000 0000: traces
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6200 0000 0000 - 7d00 0000 0000: -
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7b00 0000 0000 - 7c00 0000 0000: heap
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7c00 0000 0000 - 7e80 0000 0000: -
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7e80 0000 0000 - 8000 0000 0000: modules and main thread stack
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*/
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struct Mapping {
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static const uptr kMetaShadowBeg = 0x300000000000ull;
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static const uptr kMetaShadowEnd = 0x340000000000ull;
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static const uptr kTraceMemBeg = 0x600000000000ull;
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static const uptr kTraceMemEnd = 0x620000000000ull;
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static const uptr kShadowBeg = 0x010000000000ull;
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static const uptr kShadowEnd = 0x200000000000ull;
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static const uptr kHeapMemBeg = 0x7b0000000000ull;
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static const uptr kHeapMemEnd = 0x7c0000000000ull;
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static const uptr kLoAppMemBeg = 0x000000001000ull;
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static const uptr kLoAppMemEnd = 0x008000000000ull;
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static const uptr kMidAppMemBeg = 0x550000000000ull;
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static const uptr kMidAppMemEnd = 0x568000000000ull;
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static const uptr kHiAppMemBeg = 0x7e8000000000ull;
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static const uptr kHiAppMemEnd = 0x800000000000ull;
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static const uptr kAppMemMsk = 0x780000000000ull;
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static const uptr kAppMemXor = 0x040000000000ull;
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static const uptr kVdsoBeg = 0xf000000000000000ull;
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};
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#define TSAN_MID_APP_RANGE 1
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#elif defined(__mips64)
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/*
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C/C++ on linux/mips64
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0100 0000 00 - 0200 0000 00: main binary
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0200 0000 00 - 1400 0000 00: -
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1400 0000 00 - 2400 0000 00: shadow
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2400 0000 00 - 3000 0000 00: -
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3000 0000 00 - 4000 0000 00: metainfo (memory blocks and sync objects)
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4000 0000 00 - 6000 0000 00: -
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6000 0000 00 - 6200 0000 00: traces
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6200 0000 00 - fe00 0000 00: -
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fe00 0000 00 - ff00 0000 00: heap
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ff00 0000 00 - ff80 0000 00: -
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ff80 0000 00 - ffff ffff ff: modules and main thread stack
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*/
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struct Mapping {
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static const uptr kMetaShadowBeg = 0x4000000000ull;
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static const uptr kMetaShadowEnd = 0x5000000000ull;
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static const uptr kTraceMemBeg = 0xb000000000ull;
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static const uptr kTraceMemEnd = 0xb200000000ull;
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static const uptr kShadowBeg = 0x2400000000ull;
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static const uptr kShadowEnd = 0x4000000000ull;
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static const uptr kHeapMemBeg = 0xfe00000000ull;
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static const uptr kHeapMemEnd = 0xff00000000ull;
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static const uptr kLoAppMemBeg = 0x0100000000ull;
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static const uptr kLoAppMemEnd = 0x0200000000ull;
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static const uptr kMidAppMemBeg = 0xaa00000000ull;
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static const uptr kMidAppMemEnd = 0xab00000000ull;
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static const uptr kHiAppMemBeg = 0xff80000000ull;
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static const uptr kHiAppMemEnd = 0xffffffffffull;
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static const uptr kAppMemMsk = 0xf800000000ull;
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static const uptr kAppMemXor = 0x0800000000ull;
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static const uptr kVdsoBeg = 0xfffff00000ull;
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};
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#define TSAN_MID_APP_RANGE 1
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#elif defined(__aarch64__)
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// AArch64 supports multiple VMA which leads to multiple address transformation
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// functions. To support these multiple VMAS transformations and mappings TSAN
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// runtime for AArch64 uses an external memory read (vmaSize) to select which
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// mapping to use. Although slower, it make a same instrumented binary run on
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// multiple kernels.
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/*
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C/C++ on linux/aarch64 (39-bit VMA)
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0000 0010 00 - 0100 0000 00: main binary
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0100 0000 00 - 0800 0000 00: -
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0800 0000 00 - 2000 0000 00: shadow memory
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2000 0000 00 - 3100 0000 00: -
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3100 0000 00 - 3400 0000 00: metainfo
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3400 0000 00 - 5500 0000 00: -
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5500 0000 00 - 5600 0000 00: main binary (PIE)
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5600 0000 00 - 6000 0000 00: -
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6000 0000 00 - 6200 0000 00: traces
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6200 0000 00 - 7d00 0000 00: -
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7c00 0000 00 - 7d00 0000 00: heap
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7d00 0000 00 - 7fff ffff ff: modules and main thread stack
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*/
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struct Mapping39 {
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static const uptr kLoAppMemBeg = 0x0000001000ull;
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static const uptr kLoAppMemEnd = 0x0100000000ull;
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static const uptr kShadowBeg = 0x0800000000ull;
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static const uptr kShadowEnd = 0x2000000000ull;
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static const uptr kMetaShadowBeg = 0x3100000000ull;
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static const uptr kMetaShadowEnd = 0x3400000000ull;
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static const uptr kMidAppMemBeg = 0x5500000000ull;
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static const uptr kMidAppMemEnd = 0x5600000000ull;
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static const uptr kTraceMemBeg = 0x6000000000ull;
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static const uptr kTraceMemEnd = 0x6200000000ull;
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static const uptr kHeapMemBeg = 0x7c00000000ull;
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static const uptr kHeapMemEnd = 0x7d00000000ull;
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static const uptr kHiAppMemBeg = 0x7e00000000ull;
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static const uptr kHiAppMemEnd = 0x7fffffffffull;
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static const uptr kAppMemMsk = 0x7800000000ull;
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static const uptr kAppMemXor = 0x0200000000ull;
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static const uptr kVdsoBeg = 0x7f00000000ull;
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};
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/*
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C/C++ on linux/aarch64 (42-bit VMA)
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00000 0010 00 - 01000 0000 00: main binary
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01000 0000 00 - 10000 0000 00: -
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10000 0000 00 - 20000 0000 00: shadow memory
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20000 0000 00 - 26000 0000 00: -
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26000 0000 00 - 28000 0000 00: metainfo
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28000 0000 00 - 2aa00 0000 00: -
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2aa00 0000 00 - 2ab00 0000 00: main binary (PIE)
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2ab00 0000 00 - 36200 0000 00: -
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36200 0000 00 - 36240 0000 00: traces
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36240 0000 00 - 3e000 0000 00: -
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3e000 0000 00 - 3f000 0000 00: heap
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3f000 0000 00 - 3ffff ffff ff: modules and main thread stack
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*/
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struct Mapping42 {
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static const uptr kLoAppMemBeg = 0x00000001000ull;
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static const uptr kLoAppMemEnd = 0x01000000000ull;
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static const uptr kShadowBeg = 0x10000000000ull;
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static const uptr kShadowEnd = 0x20000000000ull;
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static const uptr kMetaShadowBeg = 0x26000000000ull;
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static const uptr kMetaShadowEnd = 0x28000000000ull;
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static const uptr kMidAppMemBeg = 0x2aa00000000ull;
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static const uptr kMidAppMemEnd = 0x2ab00000000ull;
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static const uptr kTraceMemBeg = 0x36200000000ull;
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static const uptr kTraceMemEnd = 0x36400000000ull;
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static const uptr kHeapMemBeg = 0x3e000000000ull;
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static const uptr kHeapMemEnd = 0x3f000000000ull;
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static const uptr kHiAppMemBeg = 0x3f000000000ull;
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static const uptr kHiAppMemEnd = 0x3ffffffffffull;
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static const uptr kAppMemMsk = 0x3c000000000ull;
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static const uptr kAppMemXor = 0x04000000000ull;
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static const uptr kVdsoBeg = 0x37f00000000ull;
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};
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struct Mapping48 {
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static const uptr kLoAppMemBeg = 0x0000000001000ull;
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static const uptr kLoAppMemEnd = 0x0000200000000ull;
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static const uptr kShadowBeg = 0x0002000000000ull;
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static const uptr kShadowEnd = 0x0004000000000ull;
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static const uptr kMetaShadowBeg = 0x0005000000000ull;
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static const uptr kMetaShadowEnd = 0x0006000000000ull;
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static const uptr kMidAppMemBeg = 0x0aaaa00000000ull;
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static const uptr kMidAppMemEnd = 0x0aaaf00000000ull;
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static const uptr kTraceMemBeg = 0x0f06000000000ull;
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static const uptr kTraceMemEnd = 0x0f06200000000ull;
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static const uptr kHeapMemBeg = 0x0ffff00000000ull;
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static const uptr kHeapMemEnd = 0x0ffff00000000ull;
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static const uptr kHiAppMemBeg = 0x0ffff00000000ull;
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static const uptr kHiAppMemEnd = 0x1000000000000ull;
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static const uptr kAppMemMsk = 0x0fff800000000ull;
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static const uptr kAppMemXor = 0x0000800000000ull;
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static const uptr kVdsoBeg = 0xffff000000000ull;
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};
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// Indicates the runtime will define the memory regions at runtime.
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#define TSAN_RUNTIME_VMA 1
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// Indicates that mapping defines a mid range memory segment.
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#define TSAN_MID_APP_RANGE 1
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#elif defined(__powerpc64__)
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// PPC64 supports multiple VMA which leads to multiple address transformation
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// functions. To support these multiple VMAS transformations and mappings TSAN
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// runtime for PPC64 uses an external memory read (vmaSize) to select which
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// mapping to use. Although slower, it make a same instrumented binary run on
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// multiple kernels.
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/*
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C/C++ on linux/powerpc64 (44-bit VMA)
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0000 0000 0100 - 0001 0000 0000: main binary
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0001 0000 0000 - 0001 0000 0000: -
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0001 0000 0000 - 0b00 0000 0000: shadow
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0b00 0000 0000 - 0b00 0000 0000: -
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0b00 0000 0000 - 0d00 0000 0000: metainfo (memory blocks and sync objects)
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0d00 0000 0000 - 0d00 0000 0000: -
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0d00 0000 0000 - 0f00 0000 0000: traces
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0f00 0000 0000 - 0f00 0000 0000: -
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0f00 0000 0000 - 0f50 0000 0000: heap
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0f50 0000 0000 - 0f60 0000 0000: -
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0f60 0000 0000 - 1000 0000 0000: modules and main thread stack
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*/
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struct Mapping44 {
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static const uptr kMetaShadowBeg = 0x0b0000000000ull;
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static const uptr kMetaShadowEnd = 0x0d0000000000ull;
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static const uptr kTraceMemBeg = 0x0d0000000000ull;
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static const uptr kTraceMemEnd = 0x0f0000000000ull;
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static const uptr kShadowBeg = 0x000100000000ull;
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static const uptr kShadowEnd = 0x0b0000000000ull;
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static const uptr kLoAppMemBeg = 0x000000000100ull;
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static const uptr kLoAppMemEnd = 0x000100000000ull;
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static const uptr kHeapMemBeg = 0x0f0000000000ull;
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static const uptr kHeapMemEnd = 0x0f5000000000ull;
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static const uptr kHiAppMemBeg = 0x0f6000000000ull;
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static const uptr kHiAppMemEnd = 0x100000000000ull; // 44 bits
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static const uptr kAppMemMsk = 0x0f0000000000ull;
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static const uptr kAppMemXor = 0x002100000000ull;
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static const uptr kVdsoBeg = 0x3c0000000000000ull;
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};
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/*
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C/C++ on linux/powerpc64 (46-bit VMA)
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0000 0000 1000 - 0100 0000 0000: main binary
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0100 0000 0000 - 0200 0000 0000: -
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0100 0000 0000 - 1000 0000 0000: shadow
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1000 0000 0000 - 1000 0000 0000: -
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1000 0000 0000 - 2000 0000 0000: metainfo (memory blocks and sync objects)
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2000 0000 0000 - 2000 0000 0000: -
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2000 0000 0000 - 2200 0000 0000: traces
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2200 0000 0000 - 3d00 0000 0000: -
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3d00 0000 0000 - 3e00 0000 0000: heap
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3e00 0000 0000 - 3e80 0000 0000: -
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3e80 0000 0000 - 4000 0000 0000: modules and main thread stack
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*/
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struct Mapping46 {
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static const uptr kMetaShadowBeg = 0x100000000000ull;
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static const uptr kMetaShadowEnd = 0x200000000000ull;
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static const uptr kTraceMemBeg = 0x200000000000ull;
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static const uptr kTraceMemEnd = 0x220000000000ull;
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static const uptr kShadowBeg = 0x010000000000ull;
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static const uptr kShadowEnd = 0x100000000000ull;
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static const uptr kHeapMemBeg = 0x3d0000000000ull;
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static const uptr kHeapMemEnd = 0x3e0000000000ull;
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static const uptr kLoAppMemBeg = 0x000000001000ull;
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static const uptr kLoAppMemEnd = 0x010000000000ull;
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static const uptr kHiAppMemBeg = 0x3e8000000000ull;
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static const uptr kHiAppMemEnd = 0x400000000000ull; // 46 bits
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static const uptr kAppMemMsk = 0x3c0000000000ull;
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static const uptr kAppMemXor = 0x020000000000ull;
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static const uptr kVdsoBeg = 0x7800000000000000ull;
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};
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// Indicates the runtime will define the memory regions at runtime.
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#define TSAN_RUNTIME_VMA 1
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#endif
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#elif SANITIZER_GO && !SANITIZER_WINDOWS
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/* Go on linux, darwin and freebsd
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0000 0000 1000 - 0000 1000 0000: executable
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0000 1000 0000 - 00c0 0000 0000: -
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00c0 0000 0000 - 00e0 0000 0000: heap
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00e0 0000 0000 - 2000 0000 0000: -
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2000 0000 0000 - 2380 0000 0000: shadow
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2380 0000 0000 - 3000 0000 0000: -
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3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects)
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4000 0000 0000 - 6000 0000 0000: -
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6000 0000 0000 - 6200 0000 0000: traces
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6200 0000 0000 - 8000 0000 0000: -
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*/
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struct Mapping {
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static const uptr kMetaShadowBeg = 0x300000000000ull;
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static const uptr kMetaShadowEnd = 0x400000000000ull;
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static const uptr kTraceMemBeg = 0x600000000000ull;
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static const uptr kTraceMemEnd = 0x620000000000ull;
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static const uptr kShadowBeg = 0x200000000000ull;
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static const uptr kShadowEnd = 0x238000000000ull;
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static const uptr kAppMemBeg = 0x000000001000ull;
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static const uptr kAppMemEnd = 0x00e000000000ull;
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};
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#elif SANITIZER_GO && SANITIZER_WINDOWS
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/* Go on windows
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0000 0000 1000 - 0000 1000 0000: executable
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0000 1000 0000 - 00f8 0000 0000: -
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00c0 0000 0000 - 00e0 0000 0000: heap
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00e0 0000 0000 - 0100 0000 0000: -
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0100 0000 0000 - 0500 0000 0000: shadow
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0500 0000 0000 - 0560 0000 0000: -
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0560 0000 0000 - 0760 0000 0000: traces
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0760 0000 0000 - 07d0 0000 0000: metainfo (memory blocks and sync objects)
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07d0 0000 0000 - 8000 0000 0000: -
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*/
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struct Mapping {
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static const uptr kMetaShadowBeg = 0x076000000000ull;
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static const uptr kMetaShadowEnd = 0x07d000000000ull;
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static const uptr kTraceMemBeg = 0x056000000000ull;
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static const uptr kTraceMemEnd = 0x076000000000ull;
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static const uptr kShadowBeg = 0x010000000000ull;
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static const uptr kShadowEnd = 0x050000000000ull;
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static const uptr kAppMemBeg = 0x000000001000ull;
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static const uptr kAppMemEnd = 0x00e000000000ull;
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};
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#else
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# error "Unknown platform"
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#endif
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#ifdef TSAN_RUNTIME_VMA
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extern uptr vmaSize;
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#endif
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enum MappingType {
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MAPPING_LO_APP_BEG,
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MAPPING_LO_APP_END,
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MAPPING_HI_APP_BEG,
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MAPPING_HI_APP_END,
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#ifdef TSAN_MID_APP_RANGE
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MAPPING_MID_APP_BEG,
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MAPPING_MID_APP_END,
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#endif
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MAPPING_HEAP_BEG,
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MAPPING_HEAP_END,
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MAPPING_APP_BEG,
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MAPPING_APP_END,
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MAPPING_SHADOW_BEG,
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MAPPING_SHADOW_END,
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MAPPING_META_SHADOW_BEG,
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MAPPING_META_SHADOW_END,
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MAPPING_TRACE_BEG,
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MAPPING_TRACE_END,
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MAPPING_VDSO_BEG,
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};
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template<typename Mapping, int Type>
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uptr MappingImpl(void) {
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switch (Type) {
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#if !SANITIZER_GO
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case MAPPING_LO_APP_BEG: return Mapping::kLoAppMemBeg;
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case MAPPING_LO_APP_END: return Mapping::kLoAppMemEnd;
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# ifdef TSAN_MID_APP_RANGE
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case MAPPING_MID_APP_BEG: return Mapping::kMidAppMemBeg;
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case MAPPING_MID_APP_END: return Mapping::kMidAppMemEnd;
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# endif
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case MAPPING_HI_APP_BEG: return Mapping::kHiAppMemBeg;
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case MAPPING_HI_APP_END: return Mapping::kHiAppMemEnd;
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case MAPPING_HEAP_BEG: return Mapping::kHeapMemBeg;
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case MAPPING_HEAP_END: return Mapping::kHeapMemEnd;
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case MAPPING_VDSO_BEG: return Mapping::kVdsoBeg;
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#else
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case MAPPING_APP_BEG: return Mapping::kAppMemBeg;
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case MAPPING_APP_END: return Mapping::kAppMemEnd;
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#endif
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case MAPPING_SHADOW_BEG: return Mapping::kShadowBeg;
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case MAPPING_SHADOW_END: return Mapping::kShadowEnd;
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case MAPPING_META_SHADOW_BEG: return Mapping::kMetaShadowBeg;
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case MAPPING_META_SHADOW_END: return Mapping::kMetaShadowEnd;
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case MAPPING_TRACE_BEG: return Mapping::kTraceMemBeg;
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case MAPPING_TRACE_END: return Mapping::kTraceMemEnd;
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}
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}
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template<int Type>
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uptr MappingArchImpl(void) {
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#ifdef __aarch64__
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switch (vmaSize) {
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case 39: return MappingImpl<Mapping39, Type>();
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case 42: return MappingImpl<Mapping42, Type>();
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case 48: return MappingImpl<Mapping48, Type>();
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}
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DCHECK(0);
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return 0;
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#elif defined(__powerpc64__)
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if (vmaSize == 44)
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return MappingImpl<Mapping44, Type>();
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else
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return MappingImpl<Mapping46, Type>();
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DCHECK(0);
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#else
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return MappingImpl<Mapping, Type>();
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#endif
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}
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#if !SANITIZER_GO
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ALWAYS_INLINE
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uptr LoAppMemBeg(void) {
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return MappingArchImpl<MAPPING_LO_APP_BEG>();
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}
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ALWAYS_INLINE
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uptr LoAppMemEnd(void) {
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return MappingArchImpl<MAPPING_LO_APP_END>();
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}
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#ifdef TSAN_MID_APP_RANGE
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ALWAYS_INLINE
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uptr MidAppMemBeg(void) {
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return MappingArchImpl<MAPPING_MID_APP_BEG>();
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}
|
|
ALWAYS_INLINE
|
|
uptr MidAppMemEnd(void) {
|
|
return MappingArchImpl<MAPPING_MID_APP_END>();
|
|
}
|
|
#endif
|
|
|
|
ALWAYS_INLINE
|
|
uptr HeapMemBeg(void) {
|
|
return MappingArchImpl<MAPPING_HEAP_BEG>();
|
|
}
|
|
ALWAYS_INLINE
|
|
uptr HeapMemEnd(void) {
|
|
return MappingArchImpl<MAPPING_HEAP_END>();
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr HiAppMemBeg(void) {
|
|
return MappingArchImpl<MAPPING_HI_APP_BEG>();
|
|
}
|
|
ALWAYS_INLINE
|
|
uptr HiAppMemEnd(void) {
|
|
return MappingArchImpl<MAPPING_HI_APP_END>();
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr VdsoBeg(void) {
|
|
return MappingArchImpl<MAPPING_VDSO_BEG>();
|
|
}
|
|
|
|
#else
|
|
|
|
ALWAYS_INLINE
|
|
uptr AppMemBeg(void) {
|
|
return MappingArchImpl<MAPPING_APP_BEG>();
|
|
}
|
|
ALWAYS_INLINE
|
|
uptr AppMemEnd(void) {
|
|
return MappingArchImpl<MAPPING_APP_END>();
|
|
}
|
|
|
|
#endif
|
|
|
|
static inline
|
|
bool GetUserRegion(int i, uptr *start, uptr *end) {
|
|
switch (i) {
|
|
default:
|
|
return false;
|
|
#if !SANITIZER_GO
|
|
case 0:
|
|
*start = LoAppMemBeg();
|
|
*end = LoAppMemEnd();
|
|
return true;
|
|
case 1:
|
|
*start = HiAppMemBeg();
|
|
*end = HiAppMemEnd();
|
|
return true;
|
|
case 2:
|
|
*start = HeapMemBeg();
|
|
*end = HeapMemEnd();
|
|
return true;
|
|
# ifdef TSAN_MID_APP_RANGE
|
|
case 3:
|
|
*start = MidAppMemBeg();
|
|
*end = MidAppMemEnd();
|
|
return true;
|
|
# endif
|
|
#else
|
|
case 0:
|
|
*start = AppMemBeg();
|
|
*end = AppMemEnd();
|
|
return true;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr ShadowBeg(void) {
|
|
return MappingArchImpl<MAPPING_SHADOW_BEG>();
|
|
}
|
|
ALWAYS_INLINE
|
|
uptr ShadowEnd(void) {
|
|
return MappingArchImpl<MAPPING_SHADOW_END>();
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr MetaShadowBeg(void) {
|
|
return MappingArchImpl<MAPPING_META_SHADOW_BEG>();
|
|
}
|
|
ALWAYS_INLINE
|
|
uptr MetaShadowEnd(void) {
|
|
return MappingArchImpl<MAPPING_META_SHADOW_END>();
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr TraceMemBeg(void) {
|
|
return MappingArchImpl<MAPPING_TRACE_BEG>();
|
|
}
|
|
ALWAYS_INLINE
|
|
uptr TraceMemEnd(void) {
|
|
return MappingArchImpl<MAPPING_TRACE_END>();
|
|
}
|
|
|
|
|
|
template<typename Mapping>
|
|
bool IsAppMemImpl(uptr mem) {
|
|
#if !SANITIZER_GO
|
|
return (mem >= Mapping::kHeapMemBeg && mem < Mapping::kHeapMemEnd) ||
|
|
# ifdef TSAN_MID_APP_RANGE
|
|
(mem >= Mapping::kMidAppMemBeg && mem < Mapping::kMidAppMemEnd) ||
|
|
# endif
|
|
(mem >= Mapping::kLoAppMemBeg && mem < Mapping::kLoAppMemEnd) ||
|
|
(mem >= Mapping::kHiAppMemBeg && mem < Mapping::kHiAppMemEnd);
|
|
#else
|
|
return mem >= Mapping::kAppMemBeg && mem < Mapping::kAppMemEnd;
|
|
#endif
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
bool IsAppMem(uptr mem) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return IsAppMemImpl<Mapping39>(mem);
|
|
case 42: return IsAppMemImpl<Mapping42>(mem);
|
|
case 48: return IsAppMemImpl<Mapping48>(mem);
|
|
}
|
|
DCHECK(0);
|
|
return false;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return IsAppMemImpl<Mapping44>(mem);
|
|
else
|
|
return IsAppMemImpl<Mapping46>(mem);
|
|
DCHECK(0);
|
|
#else
|
|
return IsAppMemImpl<Mapping>(mem);
|
|
#endif
|
|
}
|
|
|
|
|
|
template<typename Mapping>
|
|
bool IsShadowMemImpl(uptr mem) {
|
|
return mem >= Mapping::kShadowBeg && mem <= Mapping::kShadowEnd;
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
bool IsShadowMem(uptr mem) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return IsShadowMemImpl<Mapping39>(mem);
|
|
case 42: return IsShadowMemImpl<Mapping42>(mem);
|
|
case 48: return IsShadowMemImpl<Mapping48>(mem);
|
|
}
|
|
DCHECK(0);
|
|
return false;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return IsShadowMemImpl<Mapping44>(mem);
|
|
else
|
|
return IsShadowMemImpl<Mapping46>(mem);
|
|
DCHECK(0);
|
|
#else
|
|
return IsShadowMemImpl<Mapping>(mem);
|
|
#endif
|
|
}
|
|
|
|
|
|
template<typename Mapping>
|
|
bool IsMetaMemImpl(uptr mem) {
|
|
return mem >= Mapping::kMetaShadowBeg && mem <= Mapping::kMetaShadowEnd;
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
bool IsMetaMem(uptr mem) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return IsMetaMemImpl<Mapping39>(mem);
|
|
case 42: return IsMetaMemImpl<Mapping42>(mem);
|
|
case 48: return IsMetaMemImpl<Mapping48>(mem);
|
|
}
|
|
DCHECK(0);
|
|
return false;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return IsMetaMemImpl<Mapping44>(mem);
|
|
else
|
|
return IsMetaMemImpl<Mapping46>(mem);
|
|
DCHECK(0);
|
|
#else
|
|
return IsMetaMemImpl<Mapping>(mem);
|
|
#endif
|
|
}
|
|
|
|
|
|
template<typename Mapping>
|
|
uptr MemToShadowImpl(uptr x) {
|
|
DCHECK(IsAppMem(x));
|
|
#if !SANITIZER_GO
|
|
return (((x) & ~(Mapping::kAppMemMsk | (kShadowCell - 1)))
|
|
^ Mapping::kAppMemXor) * kShadowCnt;
|
|
#else
|
|
# ifndef SANITIZER_WINDOWS
|
|
return ((x & ~(kShadowCell - 1)) * kShadowCnt) | Mapping::kShadowBeg;
|
|
# else
|
|
return ((x & ~(kShadowCell - 1)) * kShadowCnt) + Mapping::kShadowBeg;
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr MemToShadow(uptr x) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return MemToShadowImpl<Mapping39>(x);
|
|
case 42: return MemToShadowImpl<Mapping42>(x);
|
|
case 48: return MemToShadowImpl<Mapping48>(x);
|
|
}
|
|
DCHECK(0);
|
|
return 0;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return MemToShadowImpl<Mapping44>(x);
|
|
else
|
|
return MemToShadowImpl<Mapping46>(x);
|
|
DCHECK(0);
|
|
#else
|
|
return MemToShadowImpl<Mapping>(x);
|
|
#endif
|
|
}
|
|
|
|
|
|
template<typename Mapping>
|
|
u32 *MemToMetaImpl(uptr x) {
|
|
DCHECK(IsAppMem(x));
|
|
#if !SANITIZER_GO
|
|
return (u32*)(((((x) & ~(Mapping::kAppMemMsk | (kMetaShadowCell - 1)))) /
|
|
kMetaShadowCell * kMetaShadowSize) | Mapping::kMetaShadowBeg);
|
|
#else
|
|
# ifndef SANITIZER_WINDOWS
|
|
return (u32*)(((x & ~(kMetaShadowCell - 1)) / \
|
|
kMetaShadowCell * kMetaShadowSize) | Mapping::kMetaShadowBeg);
|
|
# else
|
|
return (u32*)(((x & ~(kMetaShadowCell - 1)) / \
|
|
kMetaShadowCell * kMetaShadowSize) + Mapping::kMetaShadowBeg);
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
u32 *MemToMeta(uptr x) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return MemToMetaImpl<Mapping39>(x);
|
|
case 42: return MemToMetaImpl<Mapping42>(x);
|
|
case 48: return MemToMetaImpl<Mapping48>(x);
|
|
}
|
|
DCHECK(0);
|
|
return 0;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return MemToMetaImpl<Mapping44>(x);
|
|
else
|
|
return MemToMetaImpl<Mapping46>(x);
|
|
DCHECK(0);
|
|
#else
|
|
return MemToMetaImpl<Mapping>(x);
|
|
#endif
|
|
}
|
|
|
|
|
|
template<typename Mapping>
|
|
uptr ShadowToMemImpl(uptr s) {
|
|
DCHECK(IsShadowMem(s));
|
|
#if !SANITIZER_GO
|
|
// 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 = (s / kShadowCnt) ^ Mapping::kAppMemXor;
|
|
if (p >= Mapping::kLoAppMemBeg && p < Mapping::kLoAppMemEnd &&
|
|
MemToShadow(p) == s)
|
|
return p;
|
|
# ifdef TSAN_MID_APP_RANGE
|
|
p = ((s / kShadowCnt) ^ Mapping::kAppMemXor) +
|
|
(Mapping::kMidAppMemBeg & Mapping::kAppMemMsk);
|
|
if (p >= Mapping::kMidAppMemBeg && p < Mapping::kMidAppMemEnd &&
|
|
MemToShadow(p) == s)
|
|
return p;
|
|
# endif
|
|
return ((s / kShadowCnt) ^ Mapping::kAppMemXor) | Mapping::kAppMemMsk;
|
|
#else // #if !SANITIZER_GO
|
|
# ifndef SANITIZER_WINDOWS
|
|
return (s & ~Mapping::kShadowBeg) / kShadowCnt;
|
|
# else
|
|
return (s - Mapping::kShadowBeg) / kShadowCnt;
|
|
# endif // SANITIZER_WINDOWS
|
|
#endif
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr ShadowToMem(uptr s) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return ShadowToMemImpl<Mapping39>(s);
|
|
case 42: return ShadowToMemImpl<Mapping42>(s);
|
|
case 48: return ShadowToMemImpl<Mapping48>(s);
|
|
}
|
|
DCHECK(0);
|
|
return 0;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return ShadowToMemImpl<Mapping44>(s);
|
|
else
|
|
return ShadowToMemImpl<Mapping46>(s);
|
|
DCHECK(0);
|
|
#else
|
|
return ShadowToMemImpl<Mapping>(s);
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
// The additional page is to catch shadow stack overflow as paging fault.
|
|
// Windows wants 64K alignment for mmaps.
|
|
const uptr kTotalTraceSize = (kTraceSize * sizeof(Event) + sizeof(Trace)
|
|
+ (64 << 10) + (64 << 10) - 1) & ~((64 << 10) - 1);
|
|
|
|
template<typename Mapping>
|
|
uptr GetThreadTraceImpl(int tid) {
|
|
uptr p = Mapping::kTraceMemBeg + (uptr)tid * kTotalTraceSize;
|
|
DCHECK_LT(p, Mapping::kTraceMemEnd);
|
|
return p;
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr GetThreadTrace(int tid) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return GetThreadTraceImpl<Mapping39>(tid);
|
|
case 42: return GetThreadTraceImpl<Mapping42>(tid);
|
|
case 48: return GetThreadTraceImpl<Mapping48>(tid);
|
|
}
|
|
DCHECK(0);
|
|
return 0;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return GetThreadTraceImpl<Mapping44>(tid);
|
|
else
|
|
return GetThreadTraceImpl<Mapping46>(tid);
|
|
DCHECK(0);
|
|
#else
|
|
return GetThreadTraceImpl<Mapping>(tid);
|
|
#endif
|
|
}
|
|
|
|
|
|
template<typename Mapping>
|
|
uptr GetThreadTraceHeaderImpl(int tid) {
|
|
uptr p = Mapping::kTraceMemBeg + (uptr)tid * kTotalTraceSize
|
|
+ kTraceSize * sizeof(Event);
|
|
DCHECK_LT(p, Mapping::kTraceMemEnd);
|
|
return p;
|
|
}
|
|
|
|
ALWAYS_INLINE
|
|
uptr GetThreadTraceHeader(int tid) {
|
|
#ifdef __aarch64__
|
|
switch (vmaSize) {
|
|
case 39: return GetThreadTraceHeaderImpl<Mapping39>(tid);
|
|
case 42: return GetThreadTraceHeaderImpl<Mapping42>(tid);
|
|
case 48: return GetThreadTraceHeaderImpl<Mapping48>(tid);
|
|
}
|
|
DCHECK(0);
|
|
return 0;
|
|
#elif defined(__powerpc64__)
|
|
if (vmaSize == 44)
|
|
return GetThreadTraceHeaderImpl<Mapping44>(tid);
|
|
else
|
|
return GetThreadTraceHeaderImpl<Mapping46>(tid);
|
|
DCHECK(0);
|
|
#else
|
|
return GetThreadTraceHeaderImpl<Mapping>(tid);
|
|
#endif
|
|
}
|
|
|
|
void InitializePlatform();
|
|
void InitializePlatformEarly();
|
|
void CheckAndProtect();
|
|
void InitializeShadowMemoryPlatform();
|
|
void FlushShadowMemory();
|
|
void WriteMemoryProfile(char *buf, uptr buf_size, uptr nthread, uptr nlive);
|
|
int ExtractResolvFDs(void *state, int *fds, int nfd);
|
|
int ExtractRecvmsgFDs(void *msg, int *fds, int nfd);
|
|
void ImitateTlsWrite(ThreadState *thr, uptr tls_addr, uptr tls_size);
|
|
|
|
int call_pthread_cancel_with_cleanup(int(*fn)(void *c, void *m,
|
|
void *abstime), void *c, void *m, void *abstime,
|
|
void(*cleanup)(void *arg), void *arg);
|
|
|
|
void DestroyThreadState();
|
|
|
|
} // namespace __tsan
|
|
|
|
#endif // TSAN_PLATFORM_H
|