66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
|
/* unknown.c -- used when backtrace configury does not know file format.
|
||
|
|
Copyright (C) 2012-2021 Free Software Foundation, Inc.
|
||
|
|
Written by Ian Lance Taylor, Google.
|
||
|
|
|
||
|
|
Redistribution and use in source and binary forms, with or without
|
||
|
|
modification, are permitted provided that the following conditions are
|
||
|
|
met:
|
||
|
|
|
||
|
|
(1) Redistributions of source code must retain the above copyright
|
||
|
|
notice, this list of conditions and the following disclaimer.
|
||
|
|
|
||
|
|
(2) Redistributions in binary form must reproduce the above copyright
|
||
|
|
notice, this list of conditions and the following disclaimer in
|
||
|
|
the documentation and/or other materials provided with the
|
||
|
|
distribution.
|
||
|
|
|
||
|
|
(3) The name of the author may not be used to
|
||
|
|
endorse or promote products derived from this software without
|
||
|
|
specific prior written permission.
|
||
|
|
|
||
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
||
|
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||
|
|
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
||
|
|
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
|
POSSIBILITY OF SUCH DAMAGE. */
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#include "backtrace.h"
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
/* A trivial routine that always fails to find fileline data. */
|
||
|
|
|
||
|
|
static int
|
||
|
|
unknown_fileline (struct backtrace_state *state ATTRIBUTE_UNUSED,
|
||
|
|
uintptr_t pc, backtrace_full_callback callback,
|
||
|
|
backtrace_error_callback error_callback ATTRIBUTE_UNUSED,
|
||
|
|
void *data)
|
||
|
|
|
||
|
|
{
|
||
|
|
return callback (data, pc, NULL, 0, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Initialize the backtrace data when we don't know how to read the
|
||
|
|
debug info. */
|
||
|
|
|
||
|
|
int
|
||
|
|
backtrace_initialize (struct backtrace_state *state ATTRIBUTE_UNUSED,
|
||
|
|
const char *filename ATTRIBUTE_UNUSED,
|
||
|
|
int descriptor ATTRIBUTE_UNUSED,
|
||
|
|
backtrace_error_callback error_callback ATTRIBUTE_UNUSED,
|
||
|
|
void *data ATTRIBUTE_UNUSED, fileline *fileline_fn)
|
||
|
|
{
|
||
|
|
state->fileline_data = NULL;
|
||
|
|
*fileline_fn = unknown_fileline;
|
||
|
|
return 1;
|
||
|
|
}
|