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45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/* libunwind - a platform-independent unwind library
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Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P.
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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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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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#include "unwind_i.h"
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PROTECTED int
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unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi)
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{
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struct cursor *c = (struct cursor *) cursor;
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if (dwarf_make_proc_info (&c->dwarf) < 0)
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{
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/* On x86, it's relatively common to be missing DWARF unwind
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info. We don't want to fail in that case, because the
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frame-chain still would let us do a backtrace at least. */
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memset (pi, 0, sizeof (*pi));
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pi->start_ip = c->dwarf.ip;
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pi->end_ip = c->dwarf.ip + 1;
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return 0;
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}
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*pi = c->dwarf.pi;
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return 0;
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}
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