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