1 /* libunwind - a platform-independent unwind library 2 Copyright (C) 2008 CodeSourcery 3 Copyright (C) 2013 Linaro Limited 4 5 This file is part of libunwind. 6 7 Permission is hereby granted, free of charge, to any person obtaining 8 a copy of this software and associated documentation files (the 9 "Software"), to deal in the Software without restriction, including 10 without limitation the rights to use, copy, modify, merge, publish, 11 distribute, sublicense, and/or sell copies of the Software, and to 12 permit persons to whom the Software is furnished to do so, subject to 13 the following conditions: 14 15 The above copyright notice and this permission notice shall be 16 included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 25 26 #ifndef unwind_i_h 27 #define unwind_i_h 28 29 #include <stdint.h> 30 31 #include <libunwind-aarch64.h> 32 33 #include "libunwind_i.h" 34 35 /* DWARF column numbers for AArch64: */ 36 #define X29 29 37 #define FP 29 38 #define X30 30 39 #define LR 30 40 #define SP 31 41 42 #define aarch64_lock UNW_OBJ(lock) 43 #define aarch64_local_resume UNW_OBJ(local_resume) 44 #define aarch64_local_addr_space_init UNW_OBJ(local_addr_space_init) 45 #define init_local_addr_space UNW_OBJ(init_local_addr_space) 46 47 extern void aarch64_local_addr_space_init (void); 48 extern int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, 49 void *arg); 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 #define GET_FPCTX(uc) ((unw_fpsimd_context_t *)(&uc->uc_mcontext.__reserved)) 64 65 #endif /* unwind_i_h */ 66