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103 lines
3.0 KiB
103 lines
3.0 KiB
#include <pthread.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <dlfcn.h>
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#include <stddef.h>
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#include <sched.h>
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#include <stdarg.h>
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#include "sanitizer_common/print_address.h"
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#include <sanitizer/tsan_interface.h>
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#ifdef __APPLE__
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#include <mach/mach_time.h>
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#endif
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// TSan-invisible barrier.
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// Tests use it to establish necessary execution order in a way that does not
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// interfere with tsan (does not establish synchronization between threads).
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typedef unsigned long long invisible_barrier_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void __tsan_testonly_barrier_init(invisible_barrier_t *barrier,
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unsigned count);
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void __tsan_testonly_barrier_wait(invisible_barrier_t *barrier);
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unsigned long __tsan_testonly_shadow_stack_current_size();
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#ifdef __cplusplus
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}
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#endif
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static inline void barrier_init(invisible_barrier_t *barrier, unsigned count) {
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__tsan_testonly_barrier_init(barrier, count);
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}
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static inline void barrier_wait(invisible_barrier_t *barrier) {
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__tsan_testonly_barrier_wait(barrier);
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}
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// Default instance of the barrier, but a test can declare more manually.
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invisible_barrier_t barrier;
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#ifdef __APPLE__
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unsigned long long monotonic_clock_ns() {
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static mach_timebase_info_data_t timebase_info;
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if (timebase_info.denom == 0) mach_timebase_info(&timebase_info);
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return (mach_absolute_time() * timebase_info.numer) / timebase_info.denom;
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}
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#else
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unsigned long long monotonic_clock_ns() {
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struct timespec t;
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clock_gettime(CLOCK_MONOTONIC, &t);
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return (unsigned long long)t.tv_sec * 1000000000ull + t.tv_nsec;
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}
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#endif
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//The const kPCInc must be in sync with StackTrace::GetPreviousInstructionPc
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#if defined(__powerpc64__) || defined(__arm__) || defined(__aarch64__)
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// PCs are always 4 byte aligned.
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const int kPCInc = 4;
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#elif defined(__sparc__) || defined(__mips__)
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const int kPCInc = 8;
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#else
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const int kPCInc = 1;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void AnnotateRWLockCreate(const char *f, int l, void *m);
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void AnnotateRWLockCreateStatic(const char *f, int l, void *m);
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void AnnotateRWLockDestroy(const char *f, int l, void *m);
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void AnnotateRWLockAcquired(const char *f, int l, void *m, long is_w);
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void AnnotateRWLockReleased(const char *f, int l, void *m, long is_w);
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void AnnotateIgnoreReadsBegin(const char *f, int l);
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void AnnotateIgnoreReadsEnd(const char *f, int l);
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void AnnotateIgnoreWritesBegin(const char *f, int l);
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void AnnotateIgnoreWritesEnd(const char *f, int l);
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#ifdef __cplusplus
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}
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#endif
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#define ANNOTATE_RWLOCK_CREATE(m) \
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AnnotateRWLockCreate(__FILE__, __LINE__, m)
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#define ANNOTATE_RWLOCK_CREATE_STATIC(m) \
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AnnotateRWLockCreateStatic(__FILE__, __LINE__, m)
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#define ANNOTATE_RWLOCK_DESTROY(m) \
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AnnotateRWLockDestroy(__FILE__, __LINE__, m)
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#define ANNOTATE_RWLOCK_ACQUIRED(m, is_w) \
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AnnotateRWLockAcquired(__FILE__, __LINE__, m, is_w)
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#define ANNOTATE_RWLOCK_RELEASED(m, is_w) \
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AnnotateRWLockReleased(__FILE__, __LINE__, m, is_w)
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#ifdef __APPLE__
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#define ASM_SYMBOL(symbol) "_" #symbol
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#else
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#define ASM_SYMBOL(symbol) #symbol
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#endif
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