Retro68/gcc/libsanitizer/lsan/lsan.h
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

66 lines
2.3 KiB
C++

//=-- lsan.h --------------------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of LeakSanitizer.
// Private header for standalone LSan RTL.
//
//===----------------------------------------------------------------------===//
#include "lsan_thread.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_stacktrace.h"
#define GET_STACK_TRACE(max_size, fast) \
__sanitizer::BufferedStackTrace stack; \
GetStackTrace(&stack, max_size, StackTrace::GetCurrentPc(), \
GET_CURRENT_FRAME(), nullptr, fast);
#define GET_STACK_TRACE_FATAL \
GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal)
#define GET_STACK_TRACE_MALLOC \
GET_STACK_TRACE(__sanitizer::common_flags()->malloc_context_size, \
common_flags()->fast_unwind_on_malloc)
#define GET_STACK_TRACE_THREAD GET_STACK_TRACE(kStackTraceMax, true)
namespace __lsan {
void InitializeInterceptors();
void ReplaceSystemMalloc();
#define ENSURE_LSAN_INITED do { \
CHECK(!lsan_init_is_running); \
if (!lsan_inited) \
__lsan_init(); \
} while (0)
// Get the stack trace with the given pc and bp.
// The pc will be in the position 0 of the resulting stack trace.
// The bp may refer to the current frame or to the caller's frame.
ALWAYS_INLINE
void GetStackTrace(__sanitizer::BufferedStackTrace *stack,
__sanitizer::uptr max_depth, __sanitizer::uptr pc,
__sanitizer::uptr bp, void *context, bool fast) {
uptr stack_top = 0, stack_bottom = 0;
ThreadContext *t;
if (fast && (t = CurrentThreadContext())) {
stack_top = t->stack_end();
stack_bottom = t->stack_begin();
}
if (!SANITIZER_MIPS || IsValidFrame(bp, stack_top, stack_bottom)) {
stack->Unwind(max_depth, pc, bp, context, stack_top, stack_bottom, fast);
}
}
} // namespace __lsan
extern bool lsan_inited;
extern bool lsan_init_is_running;
extern "C" SANITIZER_INTERFACE_ATTRIBUTE void __lsan_init();