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#ifndef MIPS_LIBUNWIND_I_H 263842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define MIPS_LIBUNWIND_I_H 273842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 283842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz/* Target-dependent definitions that are internal to libunwind but need 293842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz to be shared with target-independent code. */ 303842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 313842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#include <stdlib.h> 323842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#include <libunwind.h> 333842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 343842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#if !defined(UNW_REMOTE_ONLY) && _MIPS_SIM == _ABI64 353842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# include "elf64.h" 363842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#else 373842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# include "elf32.h" 383842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#endif 397d46a21e0a2cb561e4cad57b101a7137e01023dcChristopher Ferris/* ANDROID support update. */ 407d46a21e0a2cb561e4cad57b101a7137e01023dcChristopher Ferris#include "map_info.h" 417d46a21e0a2cb561e4cad57b101a7137e01023dcChristopher Ferris/* End of ANDROID update. */ 423842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#include "mempool.h" 433842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#include "dwarf.h" 443842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 455f38f35d5d6c78aafa6da20845d9ceff74af00f8Lassi Tuuratypedef struct 465f38f35d5d6c78aafa6da20845d9ceff74af00f8Lassi Tuura { 475f38f35d5d6c78aafa6da20845d9ceff74af00f8Lassi Tuura /* no mips-specific fast trace */ 485f38f35d5d6c78aafa6da20845d9ceff74af00f8Lassi Tuura } 495f38f35d5d6c78aafa6da20845d9ceff74af00f8Lassi Tuuraunw_tdep_frame_t; 505f38f35d5d6c78aafa6da20845d9ceff74af00f8Lassi Tuura 513842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstruct unw_addr_space 523842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz { 533842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz struct unw_accessors acc; 543842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 553842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int big_endian; 563842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz mips_abi_t abi; 573842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unsigned int addr_size; 583842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 593842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_caching_policy_t caching_policy; 603842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#ifdef HAVE_ATOMIC_OPS_H 613842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz AO_t cache_generation; 623842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#else 633842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz uint32_t cache_generation; 643842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#endif 653842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t dyn_generation; /* see dyn-common.h */ 663842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ 673842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz struct dwarf_rs_cache global_cache; 683842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz struct unw_debug_frame_list *debug_frames; 697d46a21e0a2cb561e4cad57b101a7137e01023dcChristopher Ferris /* ANDROID support update. */ 707d46a21e0a2cb561e4cad57b101a7137e01023dcChristopher Ferris struct map_info *map_list; 717d46a21e0a2cb561e4cad57b101a7137e01023dcChristopher Ferris /* End of ANDROID update. */ 723842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz}; 733842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 743842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_big_endian(as) ((as)->big_endian) 753842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 763842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstruct cursor 773842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz { 783842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz struct dwarf_cursor dwarf; /* must be first */ 793842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t sigcontext_addr; 803842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz }; 813842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 823842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define DWARF_GET_LOC(l) ((l).val) 833842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 843842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#ifndef UNW_REMOTE_ONLY 853842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# if _MIPS_SIM == _ABIN32 863842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitztypedef long long mips_reg_t; 873842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# else 883842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitztypedef long mips_reg_t; 893842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# endif 903842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#endif 913842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 923842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#ifdef UNW_LOCAL_ONLY 933842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_NULL_LOC DWARF_LOC (0, 0) 943842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) 953842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) 963842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_IS_REG_LOC(l) 0 973842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) (intptr_t) \ 983842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz tdep_uc_addr((c)->as_arg, (r)), 0)) 993842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) 1003842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) (intptr_t) \ 1013842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz tdep_uc_addr((c)->as_arg, (r)), 0)) 1023842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1033842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz/* FIXME: Implement these for the MIPS FPU. */ 1043842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 1053842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) 1063842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 107f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* ANDROID support update. */ 108f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris unw_fpreg_t *addr = (unw_fpreg_t *) (uintptr_t) DWARF_GET_LOC (loc); 109f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris if (!addr || !map_local_is_readable ((unw_word_t) (uintptr_t) addr)) 1103842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -1; 111f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris 112f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris *val = *addr; 1133842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return 0; 114f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* End of ANDROID update. */ 1153842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 1163842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1173842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 1183842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) 1193842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 120f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* ANDROID support update. */ 121f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris unw_fpreg_t *addr = (unw_fpreg_t *) (uintptr_t) DWARF_GET_LOC (loc); 122f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris if (!addr || !map_local_is_writable ((unw_word_t) (uintptr_t) addr)) 1233842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -1; 124f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris 125f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris *addr = val; 1263842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return 0; 127f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* End of ANDROID update. */ 1283842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 1293842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1303842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 1313842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) 1323842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 133f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* ANDROID support update. */ 134f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris mips_reg_t *addr = (mips_reg_t *) (uintptr_t) DWARF_GET_LOC (loc); 135f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris if (!addr || !map_local_is_readable ((unw_word_t) (uintptr_t) addr)) 1363842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -1; 137f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris 138f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris *val = *addr; 1393842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return 0; 140f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* End of ANDROID update. */ 1413842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 1423842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1433842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 1443842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) 1453842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 146f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* ANDROID support update. */ 147f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris mips_reg_t *addr = (mips_reg_t *) (uintptr_t) DWARF_GET_LOC (loc); 148f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris if (!addr || !map_local_is_writable ((unw_word_t) (uintptr_t) addr)) 1493842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -1; 150f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris 151f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris *addr = val; 1523842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return 0; 153f622936d6c5239b3d5ccafdf38189cec8bca55c0Christopher Ferris/* End of ANDROID update. */ 1543842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 1553842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1563842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#else /* !UNW_LOCAL_ONLY */ 1573842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_LOC_TYPE_FP (1 << 0) 1583842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_LOC_TYPE_REG (1 << 1) 1593842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_NULL_LOC DWARF_LOC (0, 0) 1603842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_IS_NULL_LOC(l) \ 1613842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) 1623842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) 1633842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) 1643842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) 1653842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) 1663842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) 1673842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ 1683842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz | DWARF_LOC_TYPE_FP)) 1693842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1703842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 1713842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzread_s32 (struct dwarf_cursor *c, unw_word_t addr, unw_word_t *val) 1723842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 1733842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int offset = addr & 4; 1743842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int ret; 1753842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t memval; 1763842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1773842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz ret = (*c->as->acc.access_mem) (c->as, addr - offset, &memval, 0, c->as_arg); 1783842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (ret < 0) 1793842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return ret; 1803842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1813842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if ((offset != 0) == tdep_big_endian (c->as)) 1823842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz *val = (int32_t) memval; 1833842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz else 1843842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz *val = (int32_t) (memval >> 32); 1853842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1863842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return 0; 1873842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 1883842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1893842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 1903842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzwrite_s32 (struct dwarf_cursor *c, unw_word_t addr, const unw_word_t *val) 1913842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 1923842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int offset = addr & 4; 1933842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int ret; 1943842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t memval; 1953842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1963842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz ret = (*c->as->acc.access_mem) (c->as, addr - offset, &memval, 0, c->as_arg); 1973842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (ret < 0) 1983842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return ret; 1993842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2003842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if ((offset != 0) == tdep_big_endian (c->as)) 2013842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz memval = (memval & ~0xffffffffLL) | (uint32_t) *val; 2023842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz else 2033842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz memval = (memval & 0xffffffffLL) | (uint32_t) (*val << 32); 2043842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2053842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_mem) (c->as, addr - offset, &memval, 1, c->as_arg); 2063842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 2073842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2083842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz/* FIXME: Implement these for the MIPS FPU. */ 2093842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 2103842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val) 2113842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 2123842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz char *valp = (char *) &val; 2133842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t addr; 2143842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int ret; 2153842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2163842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_NULL_LOC (loc)) 2173842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -UNW_EBADREG; 2183842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2193842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_REG_LOC (loc)) 2203842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), 2213842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz val, 0, c->as_arg); 2223842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2233842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz addr = DWARF_GET_LOC (loc); 2243842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 2253842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 0, c->as_arg)) < 0) 2263842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return ret; 2273842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2283842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0, 2293842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz c->as_arg); 2303842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 2313842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2323842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 2333842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) 2343842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 2353842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz char *valp = (char *) &val; 2363842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t addr; 2373842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int ret; 2383842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2393842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_NULL_LOC (loc)) 2403842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -UNW_EBADREG; 2413842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2423842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_REG_LOC (loc)) 2433842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), 2443842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz &val, 1, c->as_arg); 2453842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2463842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz addr = DWARF_GET_LOC (loc); 2473842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp, 2483842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1, c->as_arg)) < 0) 2493842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return ret; 2503842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2513842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 2523842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1, c->as_arg); 2533842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 2543842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2553842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 2563842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val) 2573842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 2583842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_NULL_LOC (loc)) 2593842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -UNW_EBADREG; 2603842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2613842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* If a code-generator were to save a value of type unw_word_t in a 2623842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz floating-point register, we would have to support this case. I 2633842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz suppose it could happen with MMX registers, but does it really 2643842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz happen? */ 2653842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz assert (!DWARF_IS_FP_LOC (loc)); 2663842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2673842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_REG_LOC (loc)) 2683842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, 2693842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 0, c->as_arg); 2703842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz else if (c->as->abi == UNW_MIPS_ABI_O32) 2713842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return read_s32 (c, DWARF_GET_LOC (loc), val); 2723842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz else 2733842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, 2743842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 0, c->as_arg); 2753842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 2763842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2773842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstatic inline int 2783842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzdwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) 2793842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz{ 2803842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_NULL_LOC (loc)) 2813842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return -UNW_EBADREG; 2823842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2833842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* If a code-generator were to save a value of type unw_word_t in a 2843842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz floating-point register, we would have to support this case. I 2853842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz suppose it could happen with MMX registers, but does it really 2863842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz happen? */ 2873842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz assert (!DWARF_IS_FP_LOC (loc)); 2883842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2893842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz if (DWARF_IS_REG_LOC (loc)) 2903842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, 2913842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1, c->as_arg); 2923842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz else if (c->as->abi == UNW_MIPS_ABI_O32) 2933842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return write_s32 (c, DWARF_GET_LOC (loc), &val); 2943842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz else 2953842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, 2963842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 1, c->as_arg); 2973842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz} 2983842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 2993842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#endif /* !UNW_LOCAL_ONLY */ 3003842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 301e2962af9d31266761700b431da894421c0d757ecArun Sharma#define tdep_getcontext_trace unw_getcontext 3025d0f376b08126b51a001d7cdfba1ec4e0d644f54Tommi Rantala#define tdep_init_done UNW_OBJ(init_done) 3033842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_init UNW_OBJ(init) 3043842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz/* Platforms that support UNW_INFO_FORMAT_TABLE need to define 3053842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz tdep_search_unwind_table. */ 3063842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_search_unwind_table dwarf_search_unwind_table 307d93d96ad833390519ea68a2df22dd55dd26a3214Martin Milata#define tdep_find_unwind_table dwarf_find_unwind_table 3083842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) 3093842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) 3103842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_access_reg UNW_OBJ(access_reg) 3113842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_access_fpreg UNW_OBJ(access_fpreg) 312dac2d001afb1fa7040ca7d8ae57032f684d7023eLassi Tuura#define tdep_fetch_frame(c,ip,n) do {} while(0) 313dac2d001afb1fa7040ca7d8ae57032f684d7023eLassi Tuura#define tdep_cache_frame(c,rs) do {} while(0) 314dac2d001afb1fa7040ca7d8ae57032f684d7023eLassi Tuura#define tdep_reuse_frame(c,rs) do {} while(0) 3159e98f15e9aee12e67cd5956d06ccb559f6a06213Lassi Tuura#define tdep_stash_frame(c,rs) do {} while(0) 3165f38f35d5d6c78aafa6da20845d9ceff74af00f8Lassi Tuura#define tdep_trace(cur,addr,n) (-UNW_ENOINFO) 3173842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 3183842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#ifdef UNW_LOCAL_ONLY 3193842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define tdep_find_proc_info(c,ip,n) \ 3203842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ 3213842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz (c)->as_arg) 3223842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define tdep_put_unwind_info(as,pi,arg) \ 3233842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz dwarf_put_unwind_info((as), (pi), (arg)) 3243842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#else 3253842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define tdep_find_proc_info(c,ip,n) \ 3263842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ 3273842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz (c)->as_arg) 3283842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz# define tdep_put_unwind_info(as,pi,arg) \ 3293842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz (*(as)->acc.put_unwind_info)((as), (pi), (arg)) 3303842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#endif 3313842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 3323842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_get_as(c) ((c)->dwarf.as) 3333842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_get_as_arg(c) ((c)->dwarf.as_arg) 3343842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#define tdep_get_ip(c) ((c)->dwarf.ip) 3353842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 3365d0f376b08126b51a001d7cdfba1ec4e0d644f54Tommi Rantalaextern int tdep_init_done; 3373842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 3383842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzextern void tdep_init (void); 3393842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzextern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, 3403842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_dyn_info_t *di, unw_proc_info_t *pi, 3413842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz int need_unwind_info, void *arg); 3423842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzextern void *tdep_uc_addr (ucontext_t *uc, int reg); 34316b95a68caaa7e021209e2cd6a877ae1e558f740Christopher Ferris/* ANDROID support update. */ 344f4a8df5f4f338f1a12c25213227e98b34b42447fChristopher Ferrisextern int tdep_get_elf_image (unw_addr_space_t as, struct elf_image *ei, 345f4a8df5f4f338f1a12c25213227e98b34b42447fChristopher Ferris pid_t pid, unw_word_t ip, 346f4a8df5f4f338f1a12c25213227e98b34b42447fChristopher Ferris unsigned long *segbase, unsigned long *mapoff, 347f4a8df5f4f338f1a12c25213227e98b34b42447fChristopher Ferris char **path); 34816b95a68caaa7e021209e2cd6a877ae1e558f740Christopher Ferris/* End of ANDROID update. */ 3493842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzextern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, 3503842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t *valp, int write); 3513842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzextern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, 3523842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_fpreg_t *valp, int write); 3533842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 3543842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz#endif /* MIPS_LIBUNWIND_I_H */ 355