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//===-- asan_stack.h --------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_stack.cc.
//===----------------------------------------------------------------------===//
#ifndef ASAN_STACK_H
#define ASAN_STACK_H
#include "sanitizer_common/sanitizer_stacktrace.h"
namespace __asan {
void GetStackTrace(StackTrace *stack, uptr max_s, uptr pc, uptr bp);
void PrintStack(StackTrace *stack);
} // namespace __asan
// 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.
// fast_unwind is currently unused.
#define GET_STACK_TRACE_WITH_PC_AND_BP(max_s, pc, bp) \
StackTrace stack; \
GetStackTrace(&stack, max_s, pc, bp)
// NOTE: A Rule of thumb is to retrieve stack trace in the interceptors
// as early as possible (in functions exposed to the user), as we generally
// don't want stack trace to contain functions from ASan internals.
#define GET_STACK_TRACE_HERE(max_size) \
GET_STACK_TRACE_WITH_PC_AND_BP(max_size, \
StackTrace::GetCurrentPc(), GET_CURRENT_FRAME())
#define GET_STACK_TRACE_HERE_FOR_MALLOC \
GET_STACK_TRACE_HERE(flags()->malloc_context_size)
#define GET_STACK_TRACE_HERE_FOR_FREE(ptr) \
GET_STACK_TRACE_HERE(flags()->malloc_context_size)
#define PRINT_CURRENT_STACK() \
{ \
GET_STACK_TRACE_HERE(kStackTraceMax); \
PrintStack(&stack); \
}
#endif // ASAN_STACK_H
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