dwarf.h revision 059676cb00cfdd3be17dfdeb25547037737f1b68
1eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* libunwind - a platform-independent unwind library 2f9b7af51ed3e2facd519a9bfd243ea367a242d35hp.com!davidm Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P. 3eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm Contributed by David Mosberger-Tang <davidm@hpl.hp.com> 4eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 5eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmThis file is part of libunwind. 6eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 7eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmPermission is hereby granted, free of charge, to any person obtaining 8eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidma copy of this software and associated documentation files (the 9eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm"Software"), to deal in the Software without restriction, including 10eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmwithout limitation the rights to use, copy, modify, merge, publish, 11eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdistribute, sublicense, and/or sell copies of the Software, and to 12eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmpermit persons to whom the Software is furnished to do so, subject to 13eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmthe following conditions: 14eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 15eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmThe above copyright notice and this permission notice shall be 16eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmincluded in all copies or substantial portions of the Software. 17eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 18eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmEXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmNONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmLIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmOF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 25eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 26eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#ifndef dwarf_h 27eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_h 28eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 29be02d9ac0d97879fc9b75a9067fa6480bfb588acArun Sharma#ifdef HAVE_CONFIG_H 30b3f25f65af04014385ebc4aee8d7d993cb3c0ca8David Mosberger-Tang#include <config.h> 31be02d9ac0d97879fc9b75a9067fa6480bfb588acArun Sharma#endif 32be02d9ac0d97879fc9b75a9067fa6480bfb588acArun Sharma 33be02d9ac0d97879fc9b75a9067fa6480bfb588acArun Sharma#ifdef HAVE_ATOMIC_OPS_H 34be02d9ac0d97879fc9b75a9067fa6480bfb588acArun Sharma# include <atomic_ops.h> 35be02d9ac0d97879fc9b75a9067fa6480bfb588acArun Sharma#endif 36be02d9ac0d97879fc9b75a9067fa6480bfb588acArun Sharma 37f9b7af51ed3e2facd519a9bfd243ea367a242d35hp.com!davidm#include <libunwind.h> 38eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 39eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmstruct dwarf_cursor; /* forward-declaration */ 40eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 41eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#include "dwarf-config.h" 420fed502a81dd6d9eff4da9ff26d895a16ab828cfKen Werner#ifndef UNW_REMOTE_ONLY 43546463d1e78d52197ff2c204f793c343abb97dc5Arun Sharma#include <link.h> 440fed502a81dd6d9eff4da9ff26d895a16ab828cfKen Werner#endif 45c01ea3f6d682facedd68ced46a60ab9d1c6192b0Ken Werner#include <pthread.h> 46eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 47eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* DWARF expression opcodes. */ 48eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 49eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmtypedef enum 50eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm { 51eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_addr = 0x03, 52eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_deref = 0x06, 53eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const1u = 0x08, 54eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const1s = 0x09, 55eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const2u = 0x0a, 56eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const2s = 0x0b, 57eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const4u = 0x0c, 58eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const4s = 0x0d, 59eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const8u = 0x0e, 60eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_const8s = 0x0f, 61eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_constu = 0x10, 62eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_consts = 0x11, 63eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_dup = 0x12, 64eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_drop = 0x13, 65eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_over = 0x14, 66eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_pick = 0x15, 67eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_swap = 0x16, 68eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_rot = 0x17, 69eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_xderef = 0x18, 70eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_abs = 0x19, 71eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_and = 0x1a, 72eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_div = 0x1b, 73eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_minus = 0x1c, 74eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_mod = 0x1d, 75eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_mul = 0x1e, 76eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_neg = 0x1f, 77eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_not = 0x20, 78eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_or = 0x21, 79eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_plus = 0x22, 80eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_plus_uconst = 0x23, 81eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_shl = 0x24, 82eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_shr = 0x25, 83eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_shra = 0x26, 84eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_xor = 0x27, 85eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_skip = 0x2f, 86eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_bra = 0x28, 87eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_eq = 0x29, 88eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_ge = 0x2a, 89eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_gt = 0x2b, 90eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_le = 0x2c, 91eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lt = 0x2d, 92eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_ne = 0x2e, 93eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit0 = 0x30, 94eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit1, DW_OP_lit2, DW_OP_lit3, DW_OP_lit4, DW_OP_lit5, 95eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit6, DW_OP_lit7, DW_OP_lit8, DW_OP_lit9, DW_OP_lit10, 96eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit11, DW_OP_lit12, DW_OP_lit13, DW_OP_lit14, DW_OP_lit15, 97eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit16, DW_OP_lit17, DW_OP_lit18, DW_OP_lit19, DW_OP_lit20, 98eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit21, DW_OP_lit22, DW_OP_lit23, DW_OP_lit24, DW_OP_lit25, 99eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit26, DW_OP_lit27, DW_OP_lit28, DW_OP_lit29, DW_OP_lit30, 100eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lit31, 101eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg0 = 0x50, 102eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg1, DW_OP_reg2, DW_OP_reg3, DW_OP_reg4, DW_OP_reg5, 103eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg6, DW_OP_reg7, DW_OP_reg8, DW_OP_reg9, DW_OP_reg10, 104eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg11, DW_OP_reg12, DW_OP_reg13, DW_OP_reg14, DW_OP_reg15, 105eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg16, DW_OP_reg17, DW_OP_reg18, DW_OP_reg19, DW_OP_reg20, 106eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg21, DW_OP_reg22, DW_OP_reg23, DW_OP_reg24, DW_OP_reg25, 107eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg26, DW_OP_reg27, DW_OP_reg28, DW_OP_reg29, DW_OP_reg30, 108eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_reg31, 109eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg0 = 0x70, 110eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg1, DW_OP_breg2, DW_OP_breg3, DW_OP_breg4, DW_OP_breg5, 111eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg6, DW_OP_breg7, DW_OP_breg8, DW_OP_breg9, DW_OP_breg10, 112eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg11, DW_OP_breg12, DW_OP_breg13, DW_OP_breg14, DW_OP_breg15, 113eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg16, DW_OP_breg17, DW_OP_breg18, DW_OP_breg19, DW_OP_breg20, 114eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg21, DW_OP_breg22, DW_OP_breg23, DW_OP_breg24, DW_OP_breg25, 115eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg26, DW_OP_breg27, DW_OP_breg28, DW_OP_breg29, DW_OP_breg30, 116eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_breg31, 117eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_regx = 0x90, 118eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_fbreg = 0x91, 119eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_bregx = 0x92, 120eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_piece = 0x93, 121eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_deref_size = 0x94, 122eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_xderef_size = 0x95, 123eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_nop = 0x96, 124eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_push_object_address = 0x97, 125eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_call2 = 0x98, 126eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_call4 = 0x99, 127eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_call_ref = 0x9a, 128eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_lo_user = 0xe0, 129eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_OP_hi_user = 0xff 130eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm } 131eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdwarf_expr_op_t; 132eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 133eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DWARF_CIE_VERSION 3 /* GCC emits version 1??? */ 134eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 135eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DWARF_CFA_OPCODE_MASK 0xc0 136eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DWARF_CFA_OPERAND_MASK 0x3f 137eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 138eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmtypedef enum 139eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm { 140eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_advance_loc = 0x40, 141eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_offset = 0x80, 142eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_restore = 0xc0, 143eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_nop = 0x00, 144eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_set_loc = 0x01, 145eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_advance_loc1 = 0x02, 146eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_advance_loc2 = 0x03, 147eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_advance_loc4 = 0x04, 148eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_offset_extended = 0x05, 149eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_restore_extended = 0x06, 150eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_undefined = 0x07, 151eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_same_value = 0x08, 152eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_register = 0x09, 153eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_remember_state = 0x0a, 154eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_restore_state = 0x0b, 155eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_def_cfa = 0x0c, 156eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_def_cfa_register = 0x0d, 157eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_def_cfa_offset = 0x0e, 158eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_def_cfa_expression = 0x0f, 159adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm DW_CFA_expression = 0x10, 160eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_offset_extended_sf = 0x11, 161eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_def_cfa_sf = 0x12, 162eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_def_cfa_offset_sf = 0x13, 163eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_lo_user = 0x1c, 164eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_MIPS_advance_loc8 = 0x1d, 165eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_GNU_window_save = 0x2d, 166eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_GNU_args_size = 0x2e, 167eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_GNU_negative_offset_extended = 0x2f, 168eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DW_CFA_hi_user = 0x3c 169eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm } 170eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdwarf_cfa_t; 171eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 172eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* DWARF Pointer-Encoding (PEs). 173eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 174eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm Pointer-Encodings were invented for the GCC exception-handling 175eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm support for C++, but they represent a rather generic way of 176eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm describing the format in which an address/pointer is stored and 177eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm hence we include the definitions here, in the main dwarf.h file. 178eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm The Pointer-Encoding format is partially documented in Linux Base 179eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm Spec v1.3 (http://www.linuxbase.org/spec/). The rest is reverse 180eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm engineered from GCC. 181eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 182eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm*/ 183eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_FORMAT_MASK 0x0f /* format of the encoded value */ 184eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_APPL_MASK 0x70 /* how the value is to be applied */ 185eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* Flag bit. If set, the resulting pointer is the address of the word 186eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm that contains the final address. */ 187eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_indirect 0x80 188eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 189eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* Pointer-encoding formats: */ 190eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_omit 0xff 191eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_ptr 0x00 /* pointer-sized unsigned value */ 192eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_uleb128 0x01 /* unsigned LE base-128 value */ 193eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_udata2 0x02 /* unsigned 16-bit value */ 194eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_udata4 0x03 /* unsigned 32-bit value */ 195eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_udata8 0x04 /* unsigned 64-bit value */ 196eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_sleb128 0x09 /* signed LE base-128 value */ 197eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_sdata2 0x0a /* signed 16-bit value */ 198eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_sdata4 0x0b /* signed 32-bit value */ 199eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_sdata8 0x0c /* signed 64-bit value */ 200eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 201eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* Pointer-encoding application: */ 202eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_absptr 0x00 /* absolute value */ 203eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_pcrel 0x10 /* rel. to addr. of encoded value */ 204eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_textrel 0x20 /* text-relative (GCC-specific???) */ 205eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_datarel 0x30 /* data-relative */ 206eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* The following are not documented by LSB v1.3, yet they are used by 207eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm GCC, presumably they aren't documented by LSB since they aren't 208eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm used on Linux: */ 209eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_funcrel 0x40 /* start-of-procedure-relative */ 210eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DW_EH_PE_aligned 0x50 /* aligned pointer */ 211eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 2121fdb08e5fc427b54b54214e3b3fbdda73d369f4dDavid Mosberger-Tangextern struct mempool dwarf_reg_state_pool; 2131fdb08e5fc427b54b54214e3b3fbdda73d369f4dDavid Mosberger-Tangextern struct mempool dwarf_cie_info_pool; 2141fdb08e5fc427b54b54214e3b3fbdda73d369f4dDavid Mosberger-Tang 215eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmtypedef enum 216eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm { 217eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DWARF_WHERE_UNDEF, /* register isn't saved at all */ 218eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DWARF_WHERE_SAME, /* register has same value as in prev. frame */ 219eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DWARF_WHERE_CFAREL, /* register saved at CFA-relative address */ 220eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DWARF_WHERE_REG, /* register saved in another register */ 221eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm DWARF_WHERE_EXPR, /* register saved */ 222eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm } 223eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdwarf_where_t; 224eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 225eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmtypedef struct 226eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm { 227eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm dwarf_where_t where; /* how is the register saved? */ 228eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_word_t val; /* where it's saved */ 229eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm } 230eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdwarf_save_loc_t; 231eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 232eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* For uniformity, we'd like to treat the CFA save-location like any 233eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm other register save-location, but this doesn't quite work, because 234eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm the CFA can be expressed as a (REGISTER,OFFSET) pair. To handle 235eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm this, we use two dwarf_save_loc structures to describe the CFA. 236eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm The first one (CFA_REG_COLUMN), tells us where the CFA is saved. 237eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm In the case of DWARF_WHERE_EXPR, the CFA is defined by a DWARF 238eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm location expression whose address is given by member "val". In the 239eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm case of DWARF_WHERE_REG, member "val" gives the number of the 240eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm base-register and the "val" member of DWARF_CFA_OFF_COLUMN gives 241eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm the offset value. */ 242eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DWARF_CFA_REG_COLUMN DWARF_NUM_PRESERVED_REGS 243eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define DWARF_CFA_OFF_COLUMN (DWARF_NUM_PRESERVED_REGS + 1) 244eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 245eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmtypedef struct dwarf_reg_state 246eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm { 247eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm struct dwarf_reg_state *next; /* for rs_stack */ 248eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm dwarf_save_loc_t reg[DWARF_NUM_PRESERVED_REGS + 2]; 24900db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma unw_word_t ip; /* ip this rs is for */ 250c5dc3c150a4fab2962f8d32f78d80ce857e662a5Arun Sharma unw_word_t ret_addr_column; /* indicates which column in the rule table represents return address */ 25100db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma unsigned short lru_chain; /* used for least-recently-used chain */ 25200db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma unsigned short coll_chain; /* used for hash collisions */ 25300db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma unsigned short hint; /* hint for next rs to try (or -1) */ 254dac2d001afb1fa7040ca7d8ae57032f684d7023eLassi Tuura unsigned short signal_frame; /* optional machine-dependent signal info */ 255eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm } 256eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdwarf_reg_state_t; 257eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 258adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidmtypedef struct dwarf_cie_info 259adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm { 260adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t cie_instr_start; /* start addr. of CIE "initial_instructions" */ 261adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t cie_instr_end; /* end addr. of CIE "initial_instructions" */ 262adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t fde_instr_start; /* start addr. of FDE "instructions" */ 263adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t fde_instr_end; /* end addr. of FDE "instructions" */ 264adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t code_align; /* code-alignment factor */ 265adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t data_align; /* data-alignment factor */ 266adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t ret_addr_column; /* column of return-address register */ 267adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t handler; /* address of personality-routine */ 268adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm uint16_t abi; 269adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm uint16_t tag; 270adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm uint8_t fde_encoding; 271adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm uint8_t lsda_encoding; 272adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unsigned int sized_augmentation : 1; 273adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unsigned int have_abi_marker : 1; 274dac2d001afb1fa7040ca7d8ae57032f684d7023eLassi Tuura unsigned int signal_frame : 1; 275adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm } 276adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidmdwarf_cie_info_t; 277adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm 278eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmtypedef struct dwarf_state_record 279eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm { 280eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unsigned char fde_encoding; 281eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_word_t args_size; 282eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 283eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm dwarf_reg_state_t rs_initial; /* reg-state after CIE instructions */ 284eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm dwarf_reg_state_t rs_current; /* current reg-state */ 285eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm } 286eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdwarf_state_record_t; 287eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 288eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmtypedef struct dwarf_cursor 289eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm { 290eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm void *as_arg; /* argument to address-space callbacks */ 291eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_addr_space_t as; /* reference to per-address-space info */ 292eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 293eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_word_t cfa; /* canonical frame address; aka frame-/stack-pointer */ 294eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_word_t ip; /* instruction pointer */ 295eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_word_t args_size; /* size of arguments */ 296eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_word_t ret_addr_column; /* column for return-address */ 297adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t eh_args[UNW_TDEP_NUM_EH_REGS]; 298adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unsigned int eh_valid_mask; 299eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 300eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm dwarf_loc_t loc[DWARF_NUM_PRESERVED_REGS]; 301eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 3029e98f15e9aee12e67cd5956d06ccb559f6a06213Lassi Tuura unsigned int stash_frames :1; /* stash frames for fast lookup */ 303a9dce3c06e6ffcb83957e734d960505415118f00Lassi Tuura unsigned int use_prev_instr :1; /* use previous (= call) or current (= signal) instruction? */ 304eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unsigned int pi_valid :1; /* is proc_info valid? */ 305eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unsigned int pi_is_dynamic :1; /* proc_info found via dynamic proc info? */ 306eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm unw_proc_info_t pi; /* info about current procedure */ 30700db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 30800db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma short hint; /* faster lookup of the rs cache */ 30900db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma short prev_rs; 310eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm } 311eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidmdwarf_cursor_t; 312eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 31300db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma#define DWARF_LOG_UNW_CACHE_SIZE 7 31400db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma#define DWARF_UNW_CACHE_SIZE (1 << DWARF_LOG_UNW_CACHE_SIZE) 31500db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 31600db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma#define DWARF_LOG_UNW_HASH_SIZE (DWARF_LOG_UNW_CACHE_SIZE + 1) 31700db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma#define DWARF_UNW_HASH_SIZE (1 << DWARF_LOG_UNW_HASH_SIZE) 31800db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 31900db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharmatypedef unsigned char unw_hash_index_t; 32000db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 32100db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharmastruct dwarf_rs_cache 32200db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma { 32300db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma pthread_mutex_t lock; 32400db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma unsigned short lru_head; /* index of lead-recently used rs */ 32500db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma unsigned short lru_tail; /* index of most-recently used rs */ 32600db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 32700db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma /* hash table that maps instruction pointer to rs index: */ 32800db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma unsigned short hash[DWARF_UNW_HASH_SIZE]; 32900db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 33000db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma uint32_t generation; /* generation number */ 33100db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 33200db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma /* rs cache: */ 33300db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma dwarf_reg_state_t buckets[DWARF_UNW_CACHE_SIZE]; 33400db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma }; 33500db7f752ac26c5aab6b4ca03531a2c3e212b135Arun Sharma 3363842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz/* A list of descriptors for loaded .debug_frame sections. */ 3373842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 3383842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitzstruct unw_debug_frame_list 3393842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz { 3403842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* The start (inclusive) and end (exclusive) of the described region. */ 3413842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t start; 3423842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t end; 3433842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* The debug frame itself. */ 3443842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz char *debug_frame; 3453842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz size_t debug_frame_size; 3463842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* Index (for binary search). */ 3473842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz struct table_entry *index; 3483842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz size_t index_size; 3493842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz /* Pointer to next descriptor. */ 3503842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz struct unw_debug_frame_list *next; 3513842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz }; 3523842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz 3530b9f591823474c9651acdffec68256e077e4d601Ken Wernerstruct dwarf_callback_data 3540b9f591823474c9651acdffec68256e077e4d601Ken Werner { 3550b9f591823474c9651acdffec68256e077e4d601Ken Werner /* in: */ 3560b9f591823474c9651acdffec68256e077e4d601Ken Werner unw_word_t ip; /* instruction-pointer we're looking for */ 3570b9f591823474c9651acdffec68256e077e4d601Ken Werner unw_proc_info_t *pi; /* proc-info pointer */ 3580b9f591823474c9651acdffec68256e077e4d601Ken Werner int need_unwind_info; 3590b9f591823474c9651acdffec68256e077e4d601Ken Werner /* out: */ 3600b9f591823474c9651acdffec68256e077e4d601Ken Werner int single_fde; /* did we find a single FDE? (vs. a table) */ 3610b9f591823474c9651acdffec68256e077e4d601Ken Werner unw_dyn_info_t di; /* table info (if single_fde is false) */ 3620b9f591823474c9651acdffec68256e077e4d601Ken Werner unw_dyn_info_t di_debug; /* additional table info for .debug_frame */ 3630b9f591823474c9651acdffec68256e077e4d601Ken Werner }; 3640b9f591823474c9651acdffec68256e077e4d601Ken Werner 365eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm/* Convenience macros: */ 366eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_init UNW_ARCH_OBJ (dwarf_init) 3670b9f591823474c9651acdffec68256e077e4d601Ken Werner#define dwarf_callback UNW_OBJ (dwarf_callback) 368eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_find_proc_info UNW_OBJ (dwarf_find_proc_info) 369546463d1e78d52197ff2c204f793c343abb97dc5Arun Sharma#define dwarf_find_debug_frame UNW_OBJ (dwarf_find_debug_frame) 370eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_search_unwind_table UNW_OBJ (dwarf_search_unwind_table) 371eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_put_unwind_info UNW_OBJ (dwarf_put_unwind_info) 372eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_put_unwind_info UNW_OBJ (dwarf_put_unwind_info) 373eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_eval_expr UNW_OBJ (dwarf_eval_expr) 374adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm#define dwarf_extract_proc_info_from_fde \ 375adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm UNW_OBJ (dwarf_extract_proc_info_from_fde) 376eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_find_save_locs UNW_OBJ (dwarf_find_save_locs) 377eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_create_state_record UNW_OBJ (dwarf_create_state_record) 378eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_make_proc_info UNW_OBJ (dwarf_make_proc_info) 379eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_read_encoded_pointer UNW_OBJ (dwarf_read_encoded_pointer) 380eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#define dwarf_step UNW_OBJ (dwarf_step) 381eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 382b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_init (void); 3830fed502a81dd6d9eff4da9ff26d895a16ab828cfKen Werner#ifndef UNW_REMOTE_ONLY 3840b9f591823474c9651acdffec68256e077e4d601Ken Wernerextern int dwarf_callback (struct dl_phdr_info *info, size_t size, void *ptr); 385b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_find_proc_info (unw_addr_space_t as, unw_word_t ip, 386b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_proc_info_t *pi, 387b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm int need_unwind_info, void *arg); 3880fed502a81dd6d9eff4da9ff26d895a16ab828cfKen Werner#endif /* !UNW_REMOTE_ONLY */ 389546463d1e78d52197ff2c204f793c343abb97dc5Arun Sharmaextern int dwarf_find_debug_frame (int found, unw_dyn_info_t *di_debug, 390059676cb00cfdd3be17dfdeb25547037737f1b68Ken Werner unw_word_t ip, unw_word_t segbase, 391059676cb00cfdd3be17dfdeb25547037737f1b68Ken Werner const char* obj_name, unw_word_t start, 392059676cb00cfdd3be17dfdeb25547037737f1b68Ken Werner unw_word_t end); 393b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_search_unwind_table (unw_addr_space_t as, 394b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_word_t ip, 395b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_dyn_info_t *di, 396b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_proc_info_t *pi, 397b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm int need_unwind_info, void *arg); 398b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern void dwarf_put_unwind_info (unw_addr_space_t as, 399b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_proc_info_t *pi, void *arg); 400b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_eval_expr (struct dwarf_cursor *c, unw_word_t *addr, 401b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_word_t len, unw_word_t *valp, 402b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm int *is_register); 403adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidmextern int dwarf_extract_proc_info_from_fde (unw_addr_space_t as, 404adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_accessors_t *a, 405adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_word_t *fde_addr, 406adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm unw_proc_info_t *pi, 407adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm int need_unwind_info, 4083842dac7333e42aa44531eda34ba55200b99ccf8Daniel Jacobowitz unw_word_t base, 409adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm void *arg); 410b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_find_save_locs (struct dwarf_cursor *c); 411b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_create_state_record (struct dwarf_cursor *c, 412b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm dwarf_state_record_t *sr); 413b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_make_proc_info (struct dwarf_cursor *c); 414b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_read_encoded_pointer (unw_addr_space_t as, 415b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_accessors_t *a, 416b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_word_t *addr, 417b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unsigned char encoding, 418adeb9b598452963f25808f5c338ea0c5f2eaf2b7mostang.com!davidm const unw_proc_info_t *pi, 419b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidm unw_word_t *valp, void *arg); 420b9d2cc7919cf343596fd007506492621311b1c43mostang.com!davidmextern int dwarf_step (struct dwarf_cursor *c); 421eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm 422eb51b4294aa18ab13c9496378abb25162688235bhp.com!davidm#endif /* dwarf_h */ 423