forked from OSchip/llvm-project
111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
//===-- tsan_flags.cc -----------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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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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//===----------------------------------------------------------------------===//
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#include "sanitizer_common/sanitizer_flags.h"
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#include "sanitizer_common/sanitizer_libc.h"
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#include "tsan_flags.h"
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#include "tsan_rtl.h"
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#include "tsan_mman.h"
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namespace __tsan {
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Flags *flags() {
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return &CTX()->flags;
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}
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// Can be overriden in frontend.
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#ifdef TSAN_EXTERNAL_HOOKS
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void OverrideFlags(Flags *f);
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#else
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SANITIZER_INTERFACE_ATTRIBUTE
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void WEAK OverrideFlags(Flags *f) {
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(void)f;
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}
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#endif
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void InitializeFlags(Flags *f, const char *env) {
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internal_memset(f, 0, sizeof(*f));
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// Default values.
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f->enable_annotations = true;
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f->suppress_equal_stacks = true;
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f->suppress_equal_addresses = true;
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f->suppress_java = false;
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f->report_bugs = true;
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f->report_thread_leaks = true;
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f->report_destroy_locked = true;
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f->report_signal_unsafe = true;
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f->report_atomic_races = true;
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f->force_seq_cst_atomics = false;
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f->strip_path_prefix = "";
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f->suppressions = "";
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f->exitcode = 66;
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f->log_path = "stderr";
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f->atexit_sleep_ms = 1000;
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f->verbosity = 0;
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f->profile_memory = "";
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f->flush_memory_ms = 0;
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f->stop_on_start = false;
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f->running_on_valgrind = false;
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f->external_symbolizer_path = "";
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f->history_size = kGoMode ? 1 : 2; // There are a lot of goroutines in Go.
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f->io_sync = 1;
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// Let a frontend override.
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OverrideFlags(f);
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// Override from command line.
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ParseFlag(env, &f->enable_annotations, "enable_annotations");
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ParseFlag(env, &f->suppress_equal_stacks, "suppress_equal_stacks");
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ParseFlag(env, &f->suppress_equal_addresses, "suppress_equal_addresses");
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ParseFlag(env, &f->suppress_java, "suppress_java");
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ParseFlag(env, &f->report_bugs, "report_bugs");
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ParseFlag(env, &f->report_thread_leaks, "report_thread_leaks");
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ParseFlag(env, &f->report_destroy_locked, "report_destroy_locked");
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ParseFlag(env, &f->report_signal_unsafe, "report_signal_unsafe");
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ParseFlag(env, &f->report_atomic_races, "report_atomic_races");
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ParseFlag(env, &f->force_seq_cst_atomics, "force_seq_cst_atomics");
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ParseFlag(env, &f->strip_path_prefix, "strip_path_prefix");
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ParseFlag(env, &f->suppressions, "suppressions");
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ParseFlag(env, &f->exitcode, "exitcode");
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ParseFlag(env, &f->log_path, "log_path");
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ParseFlag(env, &f->atexit_sleep_ms, "atexit_sleep_ms");
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ParseFlag(env, &f->verbosity, "verbosity");
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ParseFlag(env, &f->profile_memory, "profile_memory");
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ParseFlag(env, &f->flush_memory_ms, "flush_memory_ms");
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ParseFlag(env, &f->stop_on_start, "stop_on_start");
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ParseFlag(env, &f->external_symbolizer_path, "external_symbolizer_path");
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ParseFlag(env, &f->history_size, "history_size");
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ParseFlag(env, &f->io_sync, "io_sync");
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if (!f->report_bugs) {
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f->report_thread_leaks = false;
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f->report_destroy_locked = false;
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f->report_signal_unsafe = false;
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}
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if (f->history_size < 0 || f->history_size > 7) {
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Printf("ThreadSanitizer: incorrect value for history_size"
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" (must be [0..7])\n");
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Die();
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}
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if (f->io_sync < 0 || f->io_sync > 2) {
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Printf("ThreadSanitizer: incorrect value for io_sync"
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" (must be [0..2])\n");
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Die();
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}
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}
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} // namespace __tsan
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