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- /* libunwind - a platform-independent unwind library
- Copyright (C) 2004 Hewlett-Packard Co
- Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
- This file is part of libunwind.
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- #include "unwind_i.h"
- PROTECTED int
- unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi)
- {
- struct cursor *c = (struct cursor *) cursor;
- if (dwarf_make_proc_info (&c->dwarf) < 0)
- {
- /* On hppa, some key routines such as _start() and _dl_start()
- are missing DWARF unwind info. We don't want to fail in that
- case, because those frames are uninteresting and just mark
- the end of the frame-chain anyhow. */
- memset (pi, 0, sizeof (*pi));
- pi->start_ip = c->dwarf.ip;
- pi->end_ip = c->dwarf.ip + 4;
- return 0;
- }
- *pi = c->dwarf.pi;
- return 0;
- }
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