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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9 10/*11 These constants were taken from version 3 of the DWARF standard,12 which is Copyright (c) 2005 Free Standards Group, and13 Copyright (c) 1992, 1993 UNIX International, Inc.14*/15 16#ifndef __DWARF2__17#define __DWARF2__18 19// DWARF unwind instructions20enum {21 DW_CFA_nop = 0x0,22 DW_CFA_set_loc = 0x1,23 DW_CFA_advance_loc1 = 0x2,24 DW_CFA_advance_loc2 = 0x3,25 DW_CFA_advance_loc4 = 0x4,26 DW_CFA_offset_extended = 0x5,27 DW_CFA_restore_extended = 0x6,28 DW_CFA_undefined = 0x7,29 DW_CFA_same_value = 0x8,30 DW_CFA_register = 0x9,31 DW_CFA_remember_state = 0xA,32 DW_CFA_restore_state = 0xB,33 DW_CFA_def_cfa = 0xC,34 DW_CFA_def_cfa_register = 0xD,35 DW_CFA_def_cfa_offset = 0xE,36 DW_CFA_def_cfa_expression = 0xF,37 DW_CFA_expression = 0x10,38 DW_CFA_offset_extended_sf = 0x11,39 DW_CFA_def_cfa_sf = 0x12,40 DW_CFA_def_cfa_offset_sf = 0x13,41 DW_CFA_val_offset = 0x14,42 DW_CFA_val_offset_sf = 0x15,43 DW_CFA_val_expression = 0x16,44 DW_CFA_advance_loc = 0x40, // high 2 bits are 0x1, lower 6 bits are delta45 DW_CFA_offset = 0x80, // high 2 bits are 0x2, lower 6 bits are register46 DW_CFA_restore = 0xC0, // high 2 bits are 0x3, lower 6 bits are register47 48 // GNU extensions49 DW_CFA_GNU_window_save = 0x2D,50 DW_CFA_GNU_args_size = 0x2E,51 DW_CFA_GNU_negative_offset_extended = 0x2F,52 53 // AARCH64 extensions54 DW_CFA_AARCH64_negate_ra_state_with_pc = 0x2C,55 DW_CFA_AARCH64_negate_ra_state = 0x2D56};57 58// FSF exception handling Pointer-Encoding constants59// Used in CFI augmentation by GCC60enum {61 DW_EH_PE_ptr = 0x00,62 DW_EH_PE_uleb128 = 0x01,63 DW_EH_PE_udata2 = 0x02,64 DW_EH_PE_udata4 = 0x03,65 DW_EH_PE_udata8 = 0x04,66 DW_EH_PE_signed = 0x08,67 DW_EH_PE_sleb128 = 0x09,68 DW_EH_PE_sdata2 = 0x0A,69 DW_EH_PE_sdata4 = 0x0B,70 DW_EH_PE_sdata8 = 0x0C,71 DW_EH_PE_absptr = 0x00,72 DW_EH_PE_pcrel = 0x10,73 DW_EH_PE_textrel = 0x20,74 DW_EH_PE_datarel = 0x30,75 DW_EH_PE_funcrel = 0x40,76 DW_EH_PE_aligned = 0x50,77 DW_EH_PE_indirect = 0x80,78 DW_EH_PE_omit = 0xFF79};80 81 82// DWARF expressions83enum {84 DW_OP_addr = 0x03, // constant address (size target specific)85 DW_OP_deref = 0x06,86 DW_OP_const1u = 0x08, // 1-byte constant87 DW_OP_const1s = 0x09, // 1-byte constant88 DW_OP_const2u = 0x0A, // 2-byte constant89 DW_OP_const2s = 0x0B, // 2-byte constant90 DW_OP_const4u = 0x0C, // 4-byte constant91 DW_OP_const4s = 0x0D, // 4-byte constant92 DW_OP_const8u = 0x0E, // 8-byte constant93 DW_OP_const8s = 0x0F, // 8-byte constant94 DW_OP_constu = 0x10, // ULEB128 constant95 DW_OP_consts = 0x11, // SLEB128 constant96 DW_OP_dup = 0x12,97 DW_OP_drop = 0x13,98 DW_OP_over = 0x14,99 DW_OP_pick = 0x15, // 1-byte stack index100 DW_OP_swap = 0x16,101 DW_OP_rot = 0x17,102 DW_OP_xderef = 0x18,103 DW_OP_abs = 0x19,104 DW_OP_and = 0x1A,105 DW_OP_div = 0x1B,106 DW_OP_minus = 0x1C,107 DW_OP_mod = 0x1D,108 DW_OP_mul = 0x1E,109 DW_OP_neg = 0x1F,110 DW_OP_not = 0x20,111 DW_OP_or = 0x21,112 DW_OP_plus = 0x22,113 DW_OP_plus_uconst = 0x23, // ULEB128 addend114 DW_OP_shl = 0x24,115 DW_OP_shr = 0x25,116 DW_OP_shra = 0x26,117 DW_OP_xor = 0x27,118 DW_OP_skip = 0x2F, // signed 2-byte constant119 DW_OP_bra = 0x28, // signed 2-byte constant120 DW_OP_eq = 0x29,121 DW_OP_ge = 0x2A,122 DW_OP_gt = 0x2B,123 DW_OP_le = 0x2C,124 DW_OP_lt = 0x2D,125 DW_OP_ne = 0x2E,126 DW_OP_lit0 = 0x30, // Literal 0127 DW_OP_lit1 = 0x31, // Literal 1128 DW_OP_lit2 = 0x32, // Literal 2129 DW_OP_lit3 = 0x33, // Literal 3130 DW_OP_lit4 = 0x34, // Literal 4131 DW_OP_lit5 = 0x35, // Literal 5132 DW_OP_lit6 = 0x36, // Literal 6133 DW_OP_lit7 = 0x37, // Literal 7134 DW_OP_lit8 = 0x38, // Literal 8135 DW_OP_lit9 = 0x39, // Literal 9136 DW_OP_lit10 = 0x3A, // Literal 10137 DW_OP_lit11 = 0x3B, // Literal 11138 DW_OP_lit12 = 0x3C, // Literal 12139 DW_OP_lit13 = 0x3D, // Literal 13140 DW_OP_lit14 = 0x3E, // Literal 14141 DW_OP_lit15 = 0x3F, // Literal 15142 DW_OP_lit16 = 0x40, // Literal 16143 DW_OP_lit17 = 0x41, // Literal 17144 DW_OP_lit18 = 0x42, // Literal 18145 DW_OP_lit19 = 0x43, // Literal 19146 DW_OP_lit20 = 0x44, // Literal 20147 DW_OP_lit21 = 0x45, // Literal 21148 DW_OP_lit22 = 0x46, // Literal 22149 DW_OP_lit23 = 0x47, // Literal 23150 DW_OP_lit24 = 0x48, // Literal 24151 DW_OP_lit25 = 0x49, // Literal 25152 DW_OP_lit26 = 0x4A, // Literal 26153 DW_OP_lit27 = 0x4B, // Literal 27154 DW_OP_lit28 = 0x4C, // Literal 28155 DW_OP_lit29 = 0x4D, // Literal 29156 DW_OP_lit30 = 0x4E, // Literal 30157 DW_OP_lit31 = 0x4F, // Literal 31158 DW_OP_reg0 = 0x50, // Contents of reg0159 DW_OP_reg1 = 0x51, // Contents of reg1160 DW_OP_reg2 = 0x52, // Contents of reg2161 DW_OP_reg3 = 0x53, // Contents of reg3162 DW_OP_reg4 = 0x54, // Contents of reg4163 DW_OP_reg5 = 0x55, // Contents of reg5164 DW_OP_reg6 = 0x56, // Contents of reg6165 DW_OP_reg7 = 0x57, // Contents of reg7166 DW_OP_reg8 = 0x58, // Contents of reg8167 DW_OP_reg9 = 0x59, // Contents of reg9168 DW_OP_reg10 = 0x5A, // Contents of reg10169 DW_OP_reg11 = 0x5B, // Contents of reg11170 DW_OP_reg12 = 0x5C, // Contents of reg12171 DW_OP_reg13 = 0x5D, // Contents of reg13172 DW_OP_reg14 = 0x5E, // Contents of reg14173 DW_OP_reg15 = 0x5F, // Contents of reg15174 DW_OP_reg16 = 0x60, // Contents of reg16175 DW_OP_reg17 = 0x61, // Contents of reg17176 DW_OP_reg18 = 0x62, // Contents of reg18177 DW_OP_reg19 = 0x63, // Contents of reg19178 DW_OP_reg20 = 0x64, // Contents of reg20179 DW_OP_reg21 = 0x65, // Contents of reg21180 DW_OP_reg22 = 0x66, // Contents of reg22181 DW_OP_reg23 = 0x67, // Contents of reg23182 DW_OP_reg24 = 0x68, // Contents of reg24183 DW_OP_reg25 = 0x69, // Contents of reg25184 DW_OP_reg26 = 0x6A, // Contents of reg26185 DW_OP_reg27 = 0x6B, // Contents of reg27186 DW_OP_reg28 = 0x6C, // Contents of reg28187 DW_OP_reg29 = 0x6D, // Contents of reg29188 DW_OP_reg30 = 0x6E, // Contents of reg30189 DW_OP_reg31 = 0x6F, // Contents of reg31190 DW_OP_breg0 = 0x70, // base register 0 + SLEB128 offset191 DW_OP_breg1 = 0x71, // base register 1 + SLEB128 offset192 DW_OP_breg2 = 0x72, // base register 2 + SLEB128 offset193 DW_OP_breg3 = 0x73, // base register 3 + SLEB128 offset194 DW_OP_breg4 = 0x74, // base register 4 + SLEB128 offset195 DW_OP_breg5 = 0x75, // base register 5 + SLEB128 offset196 DW_OP_breg6 = 0x76, // base register 6 + SLEB128 offset197 DW_OP_breg7 = 0x77, // base register 7 + SLEB128 offset198 DW_OP_breg8 = 0x78, // base register 8 + SLEB128 offset199 DW_OP_breg9 = 0x79, // base register 9 + SLEB128 offset200 DW_OP_breg10 = 0x7A, // base register 10 + SLEB128 offset201 DW_OP_breg11 = 0x7B, // base register 11 + SLEB128 offset202 DW_OP_breg12 = 0x7C, // base register 12 + SLEB128 offset203 DW_OP_breg13 = 0x7D, // base register 13 + SLEB128 offset204 DW_OP_breg14 = 0x7E, // base register 14 + SLEB128 offset205 DW_OP_breg15 = 0x7F, // base register 15 + SLEB128 offset206 DW_OP_breg16 = 0x80, // base register 16 + SLEB128 offset207 DW_OP_breg17 = 0x81, // base register 17 + SLEB128 offset208 DW_OP_breg18 = 0x82, // base register 18 + SLEB128 offset209 DW_OP_breg19 = 0x83, // base register 19 + SLEB128 offset210 DW_OP_breg20 = 0x84, // base register 20 + SLEB128 offset211 DW_OP_breg21 = 0x85, // base register 21 + SLEB128 offset212 DW_OP_breg22 = 0x86, // base register 22 + SLEB128 offset213 DW_OP_breg23 = 0x87, // base register 23 + SLEB128 offset214 DW_OP_breg24 = 0x88, // base register 24 + SLEB128 offset215 DW_OP_breg25 = 0x89, // base register 25 + SLEB128 offset216 DW_OP_breg26 = 0x8A, // base register 26 + SLEB128 offset217 DW_OP_breg27 = 0x8B, // base register 27 + SLEB128 offset218 DW_OP_breg28 = 0x8C, // base register 28 + SLEB128 offset219 DW_OP_breg29 = 0x8D, // base register 29 + SLEB128 offset220 DW_OP_breg30 = 0x8E, // base register 30 + SLEB128 offset221 DW_OP_breg31 = 0x8F, // base register 31 + SLEB128 offset222 DW_OP_regx = 0x90, // ULEB128 register223 DW_OP_fbreg = 0x91, // SLEB128 offset224 DW_OP_bregx = 0x92, // ULEB128 register followed by SLEB128 offset225 DW_OP_piece = 0x93, // ULEB128 size of piece addressed226 DW_OP_deref_size = 0x94, // 1-byte size of data retrieved227 DW_OP_xderef_size = 0x95, // 1-byte size of data retrieved228 DW_OP_nop = 0x96,229 DW_OP_push_object_addres = 0x97,230 DW_OP_call2 = 0x98, // 2-byte offset of DIE231 DW_OP_call4 = 0x99, // 4-byte offset of DIE232 DW_OP_call_ref = 0x9A, // 4- or 8-byte offset of DIE233 DW_OP_lo_user = 0xE0,234 DW_OP_APPLE_uninit = 0xF0,235 DW_OP_hi_user = 0xFF236};237 238 239#endif240