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101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* libunwind - a platform-independent unwind library
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Copyright (C) 2004 Hewlett-Packard Co
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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This file is part of libunwind.
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Copyright (c) 2002 Hewlett-Packard Co.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/* This test simply verifies that unw_init_remote() can be used in
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lieu of unw_init_local(). This was broken for a while on ia64. */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libunwind.h>
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#define panic(args...) \
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{ fprintf (stderr, args); exit (-1); }
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int verbose;
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static int
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do_backtrace (void)
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{
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char buf[512], name[256];
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unw_word_t ip, sp, off;
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unw_cursor_t cursor;
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unw_context_t uc;
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int ret;
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unw_getcontext (&uc);
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if (unw_init_remote (&cursor, unw_local_addr_space, &uc) < 0)
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panic ("unw_init_remote failed!\n");
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do
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{
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unw_get_reg (&cursor, UNW_REG_IP, &ip);
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unw_get_reg (&cursor, UNW_REG_SP, &sp);
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buf[0] = '\0';
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if (unw_get_proc_name (&cursor, name, sizeof (name), &off) == 0)
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{
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if (off)
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snprintf (buf, sizeof (buf), "<%s+0x%lx>", name, (long) off);
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else
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snprintf (buf, sizeof (buf), "<%s>", name);
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}
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if (verbose)
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printf ("%016lx %-32s (sp=%016lx)\n", (long) ip, buf, (long) sp);
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ret = unw_step (&cursor);
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if (ret < 0)
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{
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unw_get_reg (&cursor, UNW_REG_IP, &ip);
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printf ("FAILURE: unw_step() returned %d for ip=%lx\n",
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ret, (long) ip);
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return -1;
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}
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}
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while (ret > 0);
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return 0;
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}
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static int
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foo (void)
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{
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return do_backtrace ();
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}
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int
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main (int argc, char **argv)
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{
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verbose = (argc > 1);
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if (verbose)
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printf ("Normal backtrace:\n");
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return foo ();
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}
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