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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef U_DEBUG_STACK_H_
#define U_DEBUG_STACK_H_
#include <stdio.h>
#ifdef HAVE_LIBUNWIND
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#endif
/**
* @file
* Stack backtracing.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* Represent a frame from a stack backtrace.
*
#if defined(PIPE_OS_WINDOWS) && !defined(HAVE_LIBUNWIND)
* XXX: Do not change this. (passed to Windows' CaptureStackBackTrace())
#endif
*
* TODO: This should be refactored as a void * typedef.
*/
struct debug_stack_frame
{
#ifdef HAVE_LIBUNWIND
unw_word_t start_ip;
unsigned int off;
const char *procname;
#else
const void *function;
#endif
};
void
debug_backtrace_capture(struct debug_stack_frame *backtrace,
unsigned start_frame,
unsigned nr_frames);
void
debug_backtrace_dump(const struct debug_stack_frame *backtrace,
unsigned nr_frames);
void
debug_backtrace_print(FILE *f,
const struct debug_stack_frame *backtrace,
unsigned nr_frames);
#ifdef __cplusplus
}
#endif
#endif /* U_DEBUG_STACK_H_ */
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