diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c')
-rw-r--r-- | src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c b/src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c new file mode 100644 index 00000000000..98d35012861 --- /dev/null +++ b/src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c @@ -0,0 +1,91 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2001-2002, 2005 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 "libunwind_i.h" + +#ifdef UNW_REMOTE_ONLY + +static inline int +local_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, + int need_unwind_info, void *arg) +{ + return -UNW_ENOINFO; +} + +#else /* !UNW_REMOTE_ONLY */ + +static inline int +local_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, + int need_unwind_info, void *arg) +{ + unw_dyn_info_list_t *list; + unw_dyn_info_t *di; + +#ifndef UNW_LOCAL_ONLY +# pragma weak _U_dyn_info_list_addr + if (!_U_dyn_info_list_addr) + return -UNW_ENOINFO; +#endif + + list = (unw_dyn_info_list_t *) (uintptr_t) _U_dyn_info_list_addr (); + for (di = list->first; di; di = di->next) + if (ip >= di->start_ip && ip < di->end_ip) + return unwi_extract_dynamic_proc_info (as, ip, pi, di, need_unwind_info, + arg); + return -UNW_ENOINFO; +} + +#endif /* !UNW_REMOTE_ONLY */ + +#ifdef UNW_LOCAL_ONLY + +static inline int +remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, + int need_unwind_info, void *arg) +{ + return -UNW_ENOINFO; +} + +#else /* !UNW_LOCAL_ONLY */ + +static inline int +remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, + int need_unwind_info, void *arg) +{ + return unwi_dyn_remote_find_proc_info (as, ip, pi, need_unwind_info, arg); +} + +#endif /* !UNW_LOCAL_ONLY */ + +HIDDEN int +unwi_find_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip, + unw_proc_info_t *pi, int need_unwind_info, + void *arg) +{ + if (as == unw_local_addr_space) + return local_find_proc_info (as, ip, pi, need_unwind_info, arg); + else + return remote_find_proc_info (as, ip, pi, need_unwind_info, arg); +} |