b3530b946f
* filetype.awk: Add AIX XCOFF type detection. * configure.ac: Recognize xcoff format. * Makefile.am (FORMAT_FILES): Add xcoff.c. * fileline.c: Include <unistd.h>. (fileline_initialize): Add case for AIX procfs. * xcoff.c: New file. * configure, Makefile.in: Rebuild. From-SVN: r250435
77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/* xcoff.c -- Get debug data from a XCOFFF file for backtraces.
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Copyright (C) 2017 Free Software Foundation, Inc.
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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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xcoff_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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static char buf[32];
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snprintf (buf, sizeof(buf), "pc=0x%llx", (unsigned long long) pc);
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return callback (data, pc, "unknown_file", 123, buf);
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}
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static void
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xcoff_syminfo (struct backtrace_state *state ATTRIBUTE_UNUSED, uintptr_t addr,
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backtrace_syminfo_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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callback (data, addr, "unknown", 0, 0);
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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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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->syminfo_fn = xcoff_syminfo;
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state->fileline_data = NULL;
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*fileline_fn = xcoff_fileline;
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return 1;
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}
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