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94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
//===-- tsan_platform_mac.cc ----------------------------------------------===//
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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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// Mac-specific code.
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//===----------------------------------------------------------------------===//
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#include "sanitizer_common/sanitizer_platform.h"
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#if SANITIZER_MAC
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#include "sanitizer_common/sanitizer_common.h"
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#include "sanitizer_common/sanitizer_libc.h"
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#include "sanitizer_common/sanitizer_procmaps.h"
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#include "tsan_platform.h"
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#include "tsan_rtl.h"
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#include "tsan_flags.h"
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#include <pthread.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/mman.h>
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#include <sys/syscall.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/resource.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sched.h>
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namespace __tsan {
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ScopedInRtl::ScopedInRtl() {
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}
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ScopedInRtl::~ScopedInRtl() {
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}
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uptr GetShadowMemoryConsumption() {
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return 0;
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}
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void FlushShadowMemory() {
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}
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#ifndef TSAN_GO
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void InitializeShadowMemory() {
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uptr shadow = (uptr)MmapFixedNoReserve(kLinuxShadowBeg,
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kLinuxShadowEnd - kLinuxShadowBeg);
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if (shadow != kLinuxShadowBeg) {
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Printf("FATAL: ThreadSanitizer can not mmap the shadow memory\n");
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Printf("FATAL: Make sure to compile with -fPIE and "
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"to link with -pie.\n");
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Die();
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}
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DPrintf("kLinuxShadow %zx-%zx (%zuGB)\n",
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kLinuxShadowBeg, kLinuxShadowEnd,
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(kLinuxShadowEnd - kLinuxShadowBeg) >> 30);
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DPrintf("kLinuxAppMem %zx-%zx (%zuGB)\n",
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kLinuxAppMemBeg, kLinuxAppMemEnd,
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(kLinuxAppMemEnd - kLinuxAppMemBeg) >> 30);
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}
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#endif
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const char *InitializePlatform() {
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void *p = 0;
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if (sizeof(p) == 8) {
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// Disable core dumps, dumping of 16TB usually takes a bit long.
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// The following magic is to prevent clang from replacing it with memset.
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volatile rlimit lim;
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lim.rlim_cur = 0;
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lim.rlim_max = 0;
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setrlimit(RLIMIT_CORE, (rlimit*)&lim);
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}
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return GetEnv(kTsanOptionsEnv);
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}
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void FinalizePlatform() {
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fflush(0);
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}
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} // namespace __tsan
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#endif // SANITIZER_MAC
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