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//=-- lsan.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 LeakSanitizer.
// Standalone LSan RTL.
//
//===----------------------------------------------------------------------===//
#include "lsan.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_stacktrace.h"
#include "lsan_allocator.h"
#include "lsan_common.h"
#include "lsan_thread.h"
namespace __lsan {
static void InitializeCommonFlags() {
CommonFlags *cf = common_flags();
cf->external_symbolizer_path = GetEnv("LSAN_SYMBOLIZER_PATH");
cf->symbolize = true;
cf->strip_path_prefix = "";
cf->fast_unwind_on_malloc = true;
cf->malloc_context_size = 30;
cf->detect_leaks = true;
cf->leak_check_at_exit = true;
ParseCommonFlagsFromString(GetEnv("LSAN_OPTIONS"));
}
void Init() {
static bool inited;
if (inited)
return;
inited = true;
SanitizerToolName = "LeakSanitizer";
InitializeCommonFlags();
InitializeAllocator();
InitTlsSize();
InitializeInterceptors();
InitializeThreadRegistry();
u32 tid = ThreadCreate(0, 0, true);
CHECK_EQ(tid, 0);
ThreadStart(tid, GetTid());
SetCurrentThread(tid);
// Start symbolizer process if necessary.
if (common_flags()->symbolize) {
Symbolizer::Init(common_flags()->external_symbolizer_path);
} else {
Symbolizer::Disable();
}
InitCommonLsan();
if (common_flags()->detect_leaks && common_flags()->leak_check_at_exit)
Atexit(DoLeakCheck);
}
} // namespace __lsan
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