13842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz/* libunwind - a platform-independent unwind library 23842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz Copyright (C) 2008 CodeSourcery 33842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 43842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzThis file is part of libunwind. 53842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 63842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzPermission is hereby granted, free of charge, to any person obtaining 73842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitza copy of this software and associated documentation files (the 83842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz"Software"), to deal in the Software without restriction, including 93842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzwithout limitation the rights to use, copy, modify, merge, publish, 103842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdistribute, sublicense, and/or sell copies of the Software, and to 113842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzpermit persons to whom the Software is furnished to do so, subject to 123842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzthe following conditions: 133842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 143842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzThe above copyright notice and this permission notice shall be 153842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzincluded in all copies or substantial portions of the Software. 163842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 173842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 183842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzEXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 193842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 203842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzNONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 213842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzLIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 223842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzOF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 233842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 243842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 253842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#include <stdlib.h> 263842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 273842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#include "unwind_i.h" 283842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 293842dac7333e42aa44531eda34ba55200b99ccf8Daniel JacobowitzPROTECTED unw_addr_space_t 303842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzunw_create_addr_space (unw_accessors_t *a, int byte_order) 313842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 323842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#ifdef UNW_LOCAL_ONLY 333842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return NULL; 343842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#else 355fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala unw_addr_space_t as; 363842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 373842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* 383842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz * MIPS supports only big or little-endian, not weird stuff like 393842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz * PDP_ENDIAN. 403842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz */ 413842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (byte_order != 0 423842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz && byte_order != __LITTLE_ENDIAN 433842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz && byte_order != __BIG_ENDIAN) 443842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return NULL; 453842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 465fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala as = malloc (sizeof (*as)); 475fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala if (!as) 485fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala return NULL; 495fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala 505fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala memset (as, 0, sizeof (*as)); 515fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala 525fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala as->acc = *a; 535fef17c05dd20ea6c0a6e3532177a916ef022a3cTommi Rantala 543842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (byte_order == 0) 553842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* use host default: */ 563842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz as->big_endian = (__BYTE_ORDER == __BIG_ENDIAN); 573842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz else 583842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz as->big_endian = (byte_order == __BIG_ENDIAN); 593842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 605cd02e1e4908b0b8d08a64c247e97cc17ee8fedfDuane Sand#if _MIPS_SIM == _ABIO32 613842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz as->abi = UNW_MIPS_ABI_O32; 625cd02e1e4908b0b8d08a64c247e97cc17ee8fedfDuane Sand#else 635cd02e1e4908b0b8d08a64c247e97cc17ee8fedfDuane Sand as->abi = UNW_MIPS_ABI_N64; 645cd02e1e4908b0b8d08a64c247e97cc17ee8fedfDuane Sand#endif 653842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz as->addr_size = 4; 663842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 673842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return as; 683842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#endif 693842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 70