1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677 |
- /* libunwind - a platform-independent unwind library
- Copyright (C) 2006-2007 IBM
- Contributed by
- Corey Ashford cjashfor@us.ibm.com
- Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.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 <stdlib.h>
- #include "unwind_i.h"
- #ifndef UNW_REMOTE_ONLY
- #include <sys/syscall.h>
- /* sigreturn() is a no-op on x86_64 glibc. */
- static NORETURN inline long
- my_rt_sigreturn (void *new_sp)
- {
- /* XXX: empty stub. */
- abort ();
- }
- HIDDEN inline int
- ppc32_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg)
- {
- /* XXX: empty stub. */
- return -UNW_EINVAL;
- }
- #endif /* !UNW_REMOTE_ONLY */
- /* This routine is responsible for copying the register values in
- cursor C and establishing them as the current machine state. */
- static inline int
- establish_machine_state (struct cursor *c)
- {
- /* XXX: empty stub. */
- return 0;
- }
- PROTECTED int
- unw_resume (unw_cursor_t *cursor)
- {
- struct cursor *c = (struct cursor *) cursor;
- int ret;
- Debug (1, "(cursor=%p)\n", c);
- if ((ret = establish_machine_state (c)) < 0)
- return ret;
- return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c,
- c->dwarf.as_arg);
- }
|