llvm-project/compiler-rt/lib/tsan/rtl/tsan_flags.cc

83 lines
2.6 KiB
C++

//===-- tsan_flags.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.
//
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "tsan_flags.h"
#include "tsan_rtl.h"
#include "tsan_mman.h"
namespace __tsan {
Flags *flags() {
return &CTX()->flags;
}
// Can be overriden in frontend.
#ifdef TSAN_EXTERNAL_HOOKS
void OverrideFlags(Flags *f);
#else
SANITIZER_INTERFACE_ATTRIBUTE
void WEAK OverrideFlags(Flags *f) {
(void)f;
}
#endif
void InitializeFlags(Flags *f, const char *env) {
internal_memset(f, 0, sizeof(*f));
// Default values.
f->enable_annotations = true;
f->suppress_equal_stacks = true;
f->suppress_equal_addresses = true;
f->report_thread_leaks = true;
f->report_destroy_locked = true;
f->report_signal_unsafe = true;
f->force_seq_cst_atomics = false;
f->strip_path_prefix = "";
f->suppressions = "";
f->exitcode = 66;
f->log_fileno = 2;
f->atexit_sleep_ms = 1000;
f->verbosity = 0;
f->profile_memory = "";
f->flush_memory_ms = 0;
f->stop_on_start = false;
f->running_on_valgrind = false;
f->external_symbolizer_path = "";
// Let a frontend override.
OverrideFlags(f);
// Override from command line.
ParseFlag(env, &f->enable_annotations, "enable_annotations");
ParseFlag(env, &f->suppress_equal_stacks, "suppress_equal_stacks");
ParseFlag(env, &f->suppress_equal_addresses, "suppress_equal_addresses");
ParseFlag(env, &f->report_thread_leaks, "report_thread_leaks");
ParseFlag(env, &f->report_destroy_locked, "report_destroy_locked");
ParseFlag(env, &f->report_signal_unsafe, "report_signal_unsafe");
ParseFlag(env, &f->force_seq_cst_atomics, "force_seq_cst_atomics");
ParseFlag(env, &f->strip_path_prefix, "strip_path_prefix");
ParseFlag(env, &f->suppressions, "suppressions");
ParseFlag(env, &f->exitcode, "exitcode");
ParseFlag(env, &f->log_fileno, "log_fileno");
ParseFlag(env, &f->atexit_sleep_ms, "atexit_sleep_ms");
ParseFlag(env, &f->verbosity, "verbosity");
ParseFlag(env, &f->profile_memory, "profile_memory");
ParseFlag(env, &f->flush_memory_ms, "flush_memory_ms");
ParseFlag(env, &f->stop_on_start, "stop_on_start");
ParseFlag(env, &f->external_symbolizer_path, "external_symbolizer_path");
}
} // namespace __tsan