blob: e56304c415264ced49d29498f78f08c320d4f47b [file] [log] [blame]
//===-- tsan_platform_mac.cc ----------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
// Linux-specific code.
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "sanitizer_common/sanitizer_procmaps.h"
#include "tsan_platform.h"
#include "tsan_rtl.h"
#include "tsan_flags.h"
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/mman.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <sched.h>
namespace __sanitizer {
void Die() {
_exit(1);
}
} // namespace __sanitizer
namespace __tsan {
ScopedInRtl::ScopedInRtl() {
}
ScopedInRtl::~ScopedInRtl() {
}
uptr GetShadowMemoryConsumption() {
return 0;
}
void FlushShadowMemory() {
}
void InitializeShadowMemory() {
uptr shadow = (uptr)MmapFixedNoReserve(kLinuxShadowBeg,
kLinuxShadowEnd - kLinuxShadowBeg);
if (shadow != kLinuxShadowBeg) {
TsanPrintf("FATAL: ThreadSanitizer can not mmap the shadow memory\n");
TsanPrintf("FATAL: Make sure to compile with -fPIE and "
"to link with -pie.\n");
Die();
}
DPrintf("kLinuxShadow %zx-%zx (%zuGB)\n",
kLinuxShadowBeg, kLinuxShadowEnd,
(kLinuxShadowEnd - kLinuxShadowBeg) >> 30);
DPrintf("kLinuxAppMem %zx-%zx (%zuGB)\n",
kLinuxAppMemBeg, kLinuxAppMemEnd,
(kLinuxAppMemEnd - kLinuxAppMemBeg) >> 30);
}
const char *InitializePlatform() {
void *p = 0;
if (sizeof(p) == 8) {
// Disable core dumps, dumping of 16TB usually takes a bit long.
// The following magic is to prevent clang from replacing it with memset.
volatile rlimit lim;
lim.rlim_cur = 0;
lim.rlim_max = 0;
setrlimit(RLIMIT_CORE, (rlimit*)&lim);
}
return getenv("TSAN_OPTIONS");
}
void FinalizePlatform() {
fflush(0);
}
uptr GetTlsSize() {
return 0;
}
void GetThreadStackAndTls(bool main, uptr *stk_addr, uptr *stk_size,
uptr *tls_addr, uptr *tls_size) {
*stk_addr = 0;
*stk_size = 0;
*tls_addr = 0;
*tls_size = 0;
}
} // namespace __tsan