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14c48b3d51
init_local, but *not* setting use_prev_instr. This is necessary to correctly unwind using ucontext argument to signal handlers.
67 lines
2 KiB
C
67 lines
2 KiB
C
/* libunwind - a platform-independent unwind library
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Copyright (C) 2008 CodeSourcery
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Copyright (C) 2011-2013 Linaro Limited
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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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#include "init.h"
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#ifdef UNW_REMOTE_ONLY
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PROTECTED int
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unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
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{
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return -UNW_EINVAL;
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}
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#else /* !UNW_REMOTE_ONLY */
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static int
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unw_init_local_common (unw_cursor_t *cursor, unw_context_t *uc, unsigned use_prev_instr)
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{
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struct cursor *c = (struct cursor *) cursor;
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if (!tdep_init_done)
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tdep_init ();
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Debug (1, "(cursor=%p)\n", c);
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c->dwarf.as = unw_local_addr_space;
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c->dwarf.as_arg = uc;
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return common_init (c, use_prev_instr);
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}
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PROTECTED int
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unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
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{
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return unw_init_local_common(cursor, uc, 1);
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}
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PROTECTED int
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unw_init_local_signal (unw_cursor_t *cursor, unw_context_t *uc)
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{
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return unw_init_local_common(cursor, uc, 0);
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}
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#endif /* !UNW_REMOTE_ONLY */
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