diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/x86/Ginit_local.c')
-rw-r--r-- | src/third_party/unwind/dist/src/x86/Ginit_local.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/x86/Ginit_local.c b/src/third_party/unwind/dist/src/x86/Ginit_local.c new file mode 100644 index 00000000000..bff068704de --- /dev/null +++ b/src/third_party/unwind/dist/src/x86/Ginit_local.c @@ -0,0 +1,79 @@ +/* libunwind - a platform-independent unwind library + Copyright (c) 2002-2003 Hewlett-Packard Development Company, L.P. + 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" +#include "init.h" + +#ifdef UNW_REMOTE_ONLY + +int +unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) +{ + return -UNW_EINVAL; +} + +#else /* !UNW_REMOTE_ONLY */ + +static int +unw_init_local_common(unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr) +{ + struct cursor *c = (struct cursor *) cursor; + + if (!tdep_init_done) + tdep_init (); + + Debug (1, "(cursor=%p)\n", c); + + c->dwarf.as = unw_local_addr_space; + c->dwarf.as_arg = c; + c->uc = uc; + c->validate = 0; + return common_init (c, use_prev_instr); +} + +int +unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) +{ + return unw_init_local_common(cursor, uc, 1); +} + +int +unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag) +{ + if (!flag) + { + return unw_init_local_common(cursor, uc, 1); + } + else if (flag == UNW_INIT_SIGNAL_FRAME) + { + return unw_init_local_common(cursor, uc, 0); + } + else + { + return -UNW_EINVAL; + } +} + +#endif /* !UNW_REMOTE_ONLY */ |