| /* 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); |
| } |