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65 lines
2.4 KiB
65 lines
2.4 KiB
/* unknown.c -- used when backtrace configury does not know file format. |
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Copyright (C) 2012-2018 Free Software Foundation, Inc. |
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Written by Ian Lance Taylor, Google. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are |
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met: |
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(1) Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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(2) Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in |
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the documentation and/or other materials provided with the |
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distribution. |
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(3) The name of the author may not be used to |
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endorse or promote products derived from this software without |
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specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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POSSIBILITY OF SUCH DAMAGE. */ |
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#include "config.h" |
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#include <sys/types.h> |
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#include "backtrace.h" |
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#include "internal.h" |
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/* A trivial routine that always fails to find fileline data. */ |
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static int |
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unknown_fileline (struct backtrace_state *state ATTRIBUTE_UNUSED, |
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uintptr_t pc, backtrace_full_callback callback, |
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backtrace_error_callback error_callback ATTRIBUTE_UNUSED, |
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void *data) |
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{ |
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return callback (data, pc, NULL, 0, NULL); |
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} |
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/* Initialize the backtrace data when we don't know how to read the |
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debug info. */ |
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int |
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backtrace_initialize (struct backtrace_state *state ATTRIBUTE_UNUSED, |
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const char *filename ATTRIBUTE_UNUSED, |
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int descriptor ATTRIBUTE_UNUSED, |
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backtrace_error_callback error_callback ATTRIBUTE_UNUSED, |
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void *data ATTRIBUTE_UNUSED, fileline *fileline_fn) |
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{ |
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state->fileline_data = NULL; |
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*fileline_fn = unknown_fileline; |
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return 1; |
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}
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