1 /* libunwind - a platform-independent unwind library 2 Copyright (C) 2008 CodeSourcery 3 4 This file is part of libunwind. 5 6 Permission is hereby granted, free of charge, to any person obtaining 7 a copy of this software and associated documentation files (the 8 "Software"), to deal in the Software without restriction, including 9 without limitation the rights to use, copy, modify, merge, publish, 10 distribute, sublicense, and/or sell copies of the Software, and to 11 permit persons to whom the Software is furnished to do so, subject to 12 the following conditions: 13 14 The above copyright notice and this permission notice shall be 15 included in all copies or substantial portions of the Software. 16 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 24 25 #ifndef unwind_i_h 26 #define unwind_i_h 27 28 #include <stdint.h> 29 30 #include <libunwind-arm.h> 31 32 #include "libunwind_i.h" 33 34 /* DWARF column numbers for ARM: */ 35 #define R7 7 36 #define SP 13 37 #define LR 14 38 #define PC 15 39 40 #define arm_lock UNW_OBJ(lock) 41 #define arm_local_resume UNW_OBJ(local_resume) 42 #define arm_local_addr_space_init UNW_OBJ(local_addr_space_init) 43 #define init_local_addr_space UNW_OBJ(init_local_addr_space) 44 45 extern void arm_local_addr_space_init (void); 46 extern int arm_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, 47 void *arg); 48 #define arm_handle_signal_frame UNW_OBJ(handle_signal_frame) 49 extern int arm_handle_signal_frame(unw_cursor_t *cursor); 50 51 /* By-pass calls to access_mem() when known to be safe. */ 52 #ifdef UNW_LOCAL_ONLY 53 # undef ACCESS_MEM_FAST 54 # define ACCESS_MEM_FAST(ret,validate,cur,addr,to) \ 55 do { \ 56 if (unlikely(validate)) \ 57 (ret) = dwarf_get ((cur), DWARF_MEM_LOC ((cur), (addr)), &(to)); \ 58 else \ 59 (ret) = 0, (to) = *(unw_word_t *)(addr); \ 60 } while (0) 61 #endif 62 63 #endif /* unwind_i_h */ 64