| /* unknown.c -- used when backtrace configury does not know file format. |
| Copyright (C) 2012-2020 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; |
| } |