Ginit.c revision b33021e4b2f3a92141c01eb24b98bc51a97c498d
1b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino/* libunwind - a platform-independent unwind library 2b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Copyright (C) 2006-2007 IBM 3b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Contributed by 4b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Corey Ashford <cjashfor@us.ibm.com> 5b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.com> 6b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 7b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoThis file is part of libunwind. 8b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 9b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoPermission is hereby granted, free of charge, to any person obtaining 10b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoa copy of this software and associated documentation files (the 11b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino"Software"), to deal in the Software without restriction, including 12b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinowithout limitation the rights to use, copy, modify, merge, publish, 13b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinodistribute, sublicense, and/or sell copies of the Software, and to 14b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinopermit persons to whom the Software is furnished to do so, subject to 15b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinothe following conditions: 16b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 17b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoThe above copyright notice and this permission notice shall be 18b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoincluded in all copies or substantial portions of the Software. 19b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 20b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoEXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoNONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoLIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoOF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 27b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 28b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#include <stdlib.h> 29b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#include <string.h> 30b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 31b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#include "ucontext_i.h" 32b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#include "unwind_i.h" 33b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 34b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#ifdef UNW_REMOTE_ONLY 35b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 36b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino/* unw_local_addr_space is a NULL pointer in this case. */ 37b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoPROTECTED unw_addr_space_t unw_local_addr_space; 38b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 39b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#else /* !UNW_REMOTE_ONLY */ 40b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 41b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic struct unw_addr_space local_addr_space; 42b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 43b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoPROTECTED unw_addr_space_t unw_local_addr_space = &local_addr_space; 44b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 45b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 46b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#define PAGE_SIZE 4096 47b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#define PAGE_START(a) ((a) & ~(PAGE_SIZE-1)) 48b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 49b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 50b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic void * 51b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinouc_addr (ucontext_t *uc, int reg) 52b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 53b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino void *addr; 54b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 55b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if ((unsigned) (reg - UNW_PPC64_R0) < 32) 56b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino addr = &uc->uc_mcontext.gp_regs[reg - UNW_PPC64_R0]; 57b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 58b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino else if ((unsigned) (reg - UNW_PPC64_F0) < 32) 59b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino addr = &uc->uc_mcontext.fp_regs[reg - UNW_PPC64_F0]; 60b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 61b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino else if ((unsigned) (reg - UNW_PPC64_V0) < 32) 62b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino addr = (uc->uc_mcontext.v_regs == 0) ? NULL : &uc->uc_mcontext.v_regs->vrregs[reg - UNW_PPC64_V0][0]; 63b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 64b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino else 65b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 66b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino unsigned gregs_idx; 67b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 68b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino switch (reg) 69b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 70b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino case UNW_PPC64_NIP: 71b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino gregs_idx = NIP_IDX; 72b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino break; 73b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino case UNW_PPC64_CTR: 74b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino gregs_idx = CTR_IDX; 75b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino break; 76b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino case UNW_PPC64_LR: 77b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino gregs_idx = LINK_IDX; 78b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino break; 79b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino case UNW_PPC64_XER: 80b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino gregs_idx = XER_IDX; 81b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino break; 82b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino case UNW_PPC64_CR0: 83b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino gregs_idx = CCR_IDX; 84b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino break; 85b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino default: 86b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return NULL; 87b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 88b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino addr = &uc->uc_mcontext.gp_regs[gregs_idx]; 89b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 90b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return addr; 91b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 92b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 93b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino# ifdef UNW_LOCAL_ONLY 94b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 95b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoHIDDEN void * 96b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinotdep_uc_addr (ucontext_t *uc, int reg) 97b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 98b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return uc_addr (uc, reg); 99b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 100b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 101b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino# endif /* UNW_LOCAL_ONLY */ 102b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 103b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoHIDDEN unw_dyn_info_list_t _U_dyn_info_list; 104b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 105b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 106b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic void 107b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoput_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) 108b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 109b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino /* it's a no-op */ 110b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 111b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 112b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic int 113b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoget_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, 114b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino void *arg) 115b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 116b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; 117b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return 0; 118b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 119b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 120b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic int 121b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoaccess_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, 122b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino void *arg) 123b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 124b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if (write) 125b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 126b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (12, "mem[%lx] <- %lx\n", addr, *val); 127b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino *(unw_word_t *) addr = *val; 128b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 129b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino else 130b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 131b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino *val = *(unw_word_t *) addr; 132b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (12, "mem[%lx] -> %lx\n", addr, *val); 133b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 134b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return 0; 135b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 136b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 137b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic int 138b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoaccess_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, 139b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino int write, void *arg) 140b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 141b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino unw_word_t *addr; 142b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino ucontext_t *uc = arg; 143b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 144b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if ((unsigned int) (reg - UNW_PPC64_F0) < 32) 145b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino goto badreg; 146b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if ((unsigned int) (reg - UNW_PPC64_V0) < 32) 147b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino goto badreg; 148b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 149b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino addr = uc_addr (uc, reg); 150b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if (!addr) 151b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino goto badreg; 152b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 153b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if (write) 154b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 155b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino *(unw_word_t *) addr = *val; 156b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (12, "%s <- %lx\n", unw_regname (reg), *val); 157b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 158b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino else 159b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 160b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino *val = *(unw_word_t *) addr; 161b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (12, "%s -> %lx\n", unw_regname (reg), *val); 162b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 163b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return 0; 164b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 165b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinobadreg: 166b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (1, "bad register number %u\n", reg); 167b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return -UNW_EBADREG; 168b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 169b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 170b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic int 171b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoaccess_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, 172b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino int write, void *arg) 173b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 174b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino ucontext_t *uc = arg; 175b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino unw_fpreg_t *addr; 176b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 177b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if ((unsigned) (reg - UNW_PPC64_F0) < 0) 178b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino goto badreg; 179b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 180b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if ((unsigned) (reg - UNW_PPC64_V0) >= 32) 181b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino goto badreg; 182b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 183b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 184b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino addr = uc_addr (uc, reg); 185b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if (!addr) 186b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino goto badreg; 187b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 188b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino if (write) 189b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 190b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (12, "%s <- %016Lf\n", unw_regname (reg), *val); 191b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino *(unw_fpreg_t *) addr = *val; 192b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 193b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino else 194b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino { 195b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino *val = *(unw_fpreg_t *) addr; 196b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (12, "%s -> %016Lf\n", unw_regname (reg), *val); 197b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino } 198b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return 0; 199b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 200b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinobadreg: 201b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino Debug (1, "bad register number %u\n", reg); 202b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino /* attempt to access a non-preserved register */ 203b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return -UNW_EBADREG; 204b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 205b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 206b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinostatic int 207b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoget_static_proc_name (unw_addr_space_t as, unw_word_t ip, 208b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino char *buf, size_t buf_len, unw_word_t *offp, 209b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino void *arg) 210b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 211b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino return _Uelf64_get_proc_name (getpid (), ip, buf, buf_len, offp); 212b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 213b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 214b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar PaulinoHIDDEN void 215b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulinoppc64_local_addr_space_init (void) 216b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino{ 217b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino memset (&local_addr_space, 0, sizeof (local_addr_space)); 218b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.caching_policy = UNW_CACHE_GLOBAL; 219b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.find_proc_info = dwarf_find_proc_info; 220b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.put_unwind_info = put_unwind_info; 221b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; 222b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.access_mem = access_mem; 223b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.access_reg = access_reg; 224b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.access_fpreg = access_fpreg; 225b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.resume = ppc64_local_resume; 226b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino local_addr_space.acc.get_proc_name = get_static_proc_name; 227b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino unw_flush_cache (&local_addr_space, 0, 0); 228b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino} 229b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino 230b33021e4b2f3a92141c01eb24b98bc51a97c498dJose Flavio Aguilar Paulino#endif /* !UNW_REMOTE_ONLY */ 231