forked from OSchip/llvm-project
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
#include <pthread.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <dlfcn.h>
|
|
#include <stddef.h>
|
|
#include <sched.h>
|
|
#include <stdarg.h>
|
|
#include "sanitizer_common/print_address.h"
|
|
|
|
#ifdef __APPLE__
|
|
#include <mach/mach_time.h>
|
|
#endif
|
|
|
|
// TSan-invisible barrier.
|
|
// Tests use it to establish necessary execution order in a way that does not
|
|
// interfere with tsan (does not establish synchronization between threads).
|
|
typedef unsigned long long invisible_barrier_t;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
void __tsan_testonly_barrier_init(invisible_barrier_t *barrier,
|
|
unsigned count);
|
|
void __tsan_testonly_barrier_wait(invisible_barrier_t *barrier);
|
|
unsigned long __tsan_testonly_shadow_stack_current_size();
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
static inline void barrier_init(invisible_barrier_t *barrier, unsigned count) {
|
|
__tsan_testonly_barrier_init(barrier, count);
|
|
}
|
|
|
|
static inline void barrier_wait(invisible_barrier_t *barrier) {
|
|
__tsan_testonly_barrier_wait(barrier);
|
|
}
|
|
|
|
// Default instance of the barrier, but a test can declare more manually.
|
|
invisible_barrier_t barrier;
|
|
|
|
#ifdef __APPLE__
|
|
unsigned long long monotonic_clock_ns() {
|
|
static mach_timebase_info_data_t timebase_info;
|
|
if (timebase_info.denom == 0) mach_timebase_info(&timebase_info);
|
|
return (mach_absolute_time() * timebase_info.numer) / timebase_info.denom;
|
|
}
|
|
#else
|
|
unsigned long long monotonic_clock_ns() {
|
|
struct timespec t;
|
|
clock_gettime(CLOCK_MONOTONIC, &t);
|
|
return (unsigned long long)t.tv_sec * 1000000000ull + t.tv_nsec;
|
|
}
|
|
#endif
|
|
|
|
//The const kPCInc must be in sync with StackTrace::GetPreviousInstructionPc
|
|
#if defined(__powerpc64__)
|
|
// PCs are always 4 byte aligned.
|
|
const int kPCInc = 4;
|
|
#elif defined(__sparc__) || defined(__mips__)
|
|
const int kPCInc = 8;
|
|
#else
|
|
const int kPCInc = 1;
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
void AnnotateRWLockCreate(const char *f, int l, void *m);
|
|
void AnnotateRWLockCreateStatic(const char *f, int l, void *m);
|
|
void AnnotateRWLockDestroy(const char *f, int l, void *m);
|
|
void AnnotateRWLockAcquired(const char *f, int l, void *m, long is_w);
|
|
void AnnotateRWLockReleased(const char *f, int l, void *m, long is_w);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#define ANNOTATE_RWLOCK_CREATE(m) \
|
|
AnnotateRWLockCreate(__FILE__, __LINE__, m)
|
|
#define ANNOTATE_RWLOCK_CREATE_STATIC(m) \
|
|
AnnotateRWLockCreateStatic(__FILE__, __LINE__, m)
|
|
#define ANNOTATE_RWLOCK_DESTROY(m) \
|
|
AnnotateRWLockDestroy(__FILE__, __LINE__, m)
|
|
#define ANNOTATE_RWLOCK_ACQUIRED(m, is_w) \
|
|
AnnotateRWLockAcquired(__FILE__, __LINE__, m, is_w)
|
|
#define ANNOTATE_RWLOCK_RELEASED(m, is_w) \
|
|
AnnotateRWLockReleased(__FILE__, __LINE__, m, is_w)
|