1*0faf1914Srobert //===----------------------------------------------------------------------===// 2f6c50668Spatrick // 3f6c50668Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4f6c50668Spatrick // See https://llvm.org/LICENSE.txt for license information. 5f6c50668Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6f6c50668Spatrick // 7f6c50668Spatrick //===----------------------------------------------------------------------===// 8f6c50668Spatrick 9f6c50668Spatrick 10f6c50668Spatrick /* 11f6c50668Spatrick These constants were taken from version 3 of the DWARF standard, 12f6c50668Spatrick which is Copyright (c) 2005 Free Standards Group, and 13f6c50668Spatrick Copyright (c) 1992, 1993 UNIX International, Inc. 14f6c50668Spatrick */ 15f6c50668Spatrick 16f6c50668Spatrick #ifndef __DWARF2__ 17f6c50668Spatrick #define __DWARF2__ 18f6c50668Spatrick 19f6c50668Spatrick // DWARF unwind instructions 20f6c50668Spatrick enum { 21f6c50668Spatrick DW_CFA_nop = 0x0, 22f6c50668Spatrick DW_CFA_set_loc = 0x1, 23f6c50668Spatrick DW_CFA_advance_loc1 = 0x2, 24f6c50668Spatrick DW_CFA_advance_loc2 = 0x3, 25f6c50668Spatrick DW_CFA_advance_loc4 = 0x4, 26f6c50668Spatrick DW_CFA_offset_extended = 0x5, 27f6c50668Spatrick DW_CFA_restore_extended = 0x6, 28f6c50668Spatrick DW_CFA_undefined = 0x7, 29f6c50668Spatrick DW_CFA_same_value = 0x8, 30f6c50668Spatrick DW_CFA_register = 0x9, 31f6c50668Spatrick DW_CFA_remember_state = 0xA, 32f6c50668Spatrick DW_CFA_restore_state = 0xB, 33f6c50668Spatrick DW_CFA_def_cfa = 0xC, 34f6c50668Spatrick DW_CFA_def_cfa_register = 0xD, 35f6c50668Spatrick DW_CFA_def_cfa_offset = 0xE, 36f6c50668Spatrick DW_CFA_def_cfa_expression = 0xF, 37f6c50668Spatrick DW_CFA_expression = 0x10, 38f6c50668Spatrick DW_CFA_offset_extended_sf = 0x11, 39f6c50668Spatrick DW_CFA_def_cfa_sf = 0x12, 40f6c50668Spatrick DW_CFA_def_cfa_offset_sf = 0x13, 41f6c50668Spatrick DW_CFA_val_offset = 0x14, 42f6c50668Spatrick DW_CFA_val_offset_sf = 0x15, 43f6c50668Spatrick DW_CFA_val_expression = 0x16, 44f6c50668Spatrick DW_CFA_advance_loc = 0x40, // high 2 bits are 0x1, lower 6 bits are delta 45f6c50668Spatrick DW_CFA_offset = 0x80, // high 2 bits are 0x2, lower 6 bits are register 46f6c50668Spatrick DW_CFA_restore = 0xC0, // high 2 bits are 0x3, lower 6 bits are register 47f6c50668Spatrick 48f6c50668Spatrick // GNU extensions 49f6c50668Spatrick DW_CFA_GNU_window_save = 0x2D, 50f6c50668Spatrick DW_CFA_GNU_args_size = 0x2E, 51f6c50668Spatrick DW_CFA_GNU_negative_offset_extended = 0x2F, 52f6c50668Spatrick 53f6c50668Spatrick // AARCH64 extensions 54f6c50668Spatrick DW_CFA_AARCH64_negate_ra_state = 0x2D 55f6c50668Spatrick }; 56f6c50668Spatrick 57f6c50668Spatrick 58f6c50668Spatrick // FSF exception handling Pointer-Encoding constants 59f6c50668Spatrick // Used in CFI augmentation by GCC 60f6c50668Spatrick enum { 61f6c50668Spatrick DW_EH_PE_ptr = 0x00, 62f6c50668Spatrick DW_EH_PE_uleb128 = 0x01, 63f6c50668Spatrick DW_EH_PE_udata2 = 0x02, 64f6c50668Spatrick DW_EH_PE_udata4 = 0x03, 65f6c50668Spatrick DW_EH_PE_udata8 = 0x04, 66f6c50668Spatrick DW_EH_PE_signed = 0x08, 67f6c50668Spatrick DW_EH_PE_sleb128 = 0x09, 68f6c50668Spatrick DW_EH_PE_sdata2 = 0x0A, 69f6c50668Spatrick DW_EH_PE_sdata4 = 0x0B, 70f6c50668Spatrick DW_EH_PE_sdata8 = 0x0C, 71f6c50668Spatrick DW_EH_PE_absptr = 0x00, 72f6c50668Spatrick DW_EH_PE_pcrel = 0x10, 73f6c50668Spatrick DW_EH_PE_textrel = 0x20, 74f6c50668Spatrick DW_EH_PE_datarel = 0x30, 75f6c50668Spatrick DW_EH_PE_funcrel = 0x40, 76f6c50668Spatrick DW_EH_PE_aligned = 0x50, 77f6c50668Spatrick DW_EH_PE_indirect = 0x80, 78f6c50668Spatrick DW_EH_PE_omit = 0xFF 79f6c50668Spatrick }; 80f6c50668Spatrick 81f6c50668Spatrick 82f6c50668Spatrick // DWARF expressions 83f6c50668Spatrick enum { 84f6c50668Spatrick DW_OP_addr = 0x03, // constant address (size target specific) 85f6c50668Spatrick DW_OP_deref = 0x06, 86f6c50668Spatrick DW_OP_const1u = 0x08, // 1-byte constant 87f6c50668Spatrick DW_OP_const1s = 0x09, // 1-byte constant 88f6c50668Spatrick DW_OP_const2u = 0x0A, // 2-byte constant 89f6c50668Spatrick DW_OP_const2s = 0x0B, // 2-byte constant 90f6c50668Spatrick DW_OP_const4u = 0x0C, // 4-byte constant 91f6c50668Spatrick DW_OP_const4s = 0x0D, // 4-byte constant 92f6c50668Spatrick DW_OP_const8u = 0x0E, // 8-byte constant 93f6c50668Spatrick DW_OP_const8s = 0x0F, // 8-byte constant 94f6c50668Spatrick DW_OP_constu = 0x10, // ULEB128 constant 95f6c50668Spatrick DW_OP_consts = 0x11, // SLEB128 constant 96f6c50668Spatrick DW_OP_dup = 0x12, 97f6c50668Spatrick DW_OP_drop = 0x13, 98f6c50668Spatrick DW_OP_over = 0x14, 99f6c50668Spatrick DW_OP_pick = 0x15, // 1-byte stack index 100f6c50668Spatrick DW_OP_swap = 0x16, 101f6c50668Spatrick DW_OP_rot = 0x17, 102f6c50668Spatrick DW_OP_xderef = 0x18, 103f6c50668Spatrick DW_OP_abs = 0x19, 104f6c50668Spatrick DW_OP_and = 0x1A, 105f6c50668Spatrick DW_OP_div = 0x1B, 106f6c50668Spatrick DW_OP_minus = 0x1C, 107f6c50668Spatrick DW_OP_mod = 0x1D, 108f6c50668Spatrick DW_OP_mul = 0x1E, 109f6c50668Spatrick DW_OP_neg = 0x1F, 110f6c50668Spatrick DW_OP_not = 0x20, 111f6c50668Spatrick DW_OP_or = 0x21, 112f6c50668Spatrick DW_OP_plus = 0x22, 113f6c50668Spatrick DW_OP_plus_uconst = 0x23, // ULEB128 addend 114f6c50668Spatrick DW_OP_shl = 0x24, 115f6c50668Spatrick DW_OP_shr = 0x25, 116f6c50668Spatrick DW_OP_shra = 0x26, 117f6c50668Spatrick DW_OP_xor = 0x27, 118f6c50668Spatrick DW_OP_skip = 0x2F, // signed 2-byte constant 119f6c50668Spatrick DW_OP_bra = 0x28, // signed 2-byte constant 120f6c50668Spatrick DW_OP_eq = 0x29, 121f6c50668Spatrick DW_OP_ge = 0x2A, 122f6c50668Spatrick DW_OP_gt = 0x2B, 123f6c50668Spatrick DW_OP_le = 0x2C, 124f6c50668Spatrick DW_OP_lt = 0x2D, 125f6c50668Spatrick DW_OP_ne = 0x2E, 126f6c50668Spatrick DW_OP_lit0 = 0x30, // Literal 0 127f6c50668Spatrick DW_OP_lit1 = 0x31, // Literal 1 128f6c50668Spatrick DW_OP_lit2 = 0x32, // Literal 2 129f6c50668Spatrick DW_OP_lit3 = 0x33, // Literal 3 130f6c50668Spatrick DW_OP_lit4 = 0x34, // Literal 4 131f6c50668Spatrick DW_OP_lit5 = 0x35, // Literal 5 132f6c50668Spatrick DW_OP_lit6 = 0x36, // Literal 6 133f6c50668Spatrick DW_OP_lit7 = 0x37, // Literal 7 134f6c50668Spatrick DW_OP_lit8 = 0x38, // Literal 8 135f6c50668Spatrick DW_OP_lit9 = 0x39, // Literal 9 136f6c50668Spatrick DW_OP_lit10 = 0x3A, // Literal 10 137f6c50668Spatrick DW_OP_lit11 = 0x3B, // Literal 11 138f6c50668Spatrick DW_OP_lit12 = 0x3C, // Literal 12 139f6c50668Spatrick DW_OP_lit13 = 0x3D, // Literal 13 140f6c50668Spatrick DW_OP_lit14 = 0x3E, // Literal 14 141f6c50668Spatrick DW_OP_lit15 = 0x3F, // Literal 15 142f6c50668Spatrick DW_OP_lit16 = 0x40, // Literal 16 143f6c50668Spatrick DW_OP_lit17 = 0x41, // Literal 17 144f6c50668Spatrick DW_OP_lit18 = 0x42, // Literal 18 145f6c50668Spatrick DW_OP_lit19 = 0x43, // Literal 19 146f6c50668Spatrick DW_OP_lit20 = 0x44, // Literal 20 147f6c50668Spatrick DW_OP_lit21 = 0x45, // Literal 21 148f6c50668Spatrick DW_OP_lit22 = 0x46, // Literal 22 149f6c50668Spatrick DW_OP_lit23 = 0x47, // Literal 23 150f6c50668Spatrick DW_OP_lit24 = 0x48, // Literal 24 151f6c50668Spatrick DW_OP_lit25 = 0x49, // Literal 25 152f6c50668Spatrick DW_OP_lit26 = 0x4A, // Literal 26 153f6c50668Spatrick DW_OP_lit27 = 0x4B, // Literal 27 154f6c50668Spatrick DW_OP_lit28 = 0x4C, // Literal 28 155f6c50668Spatrick DW_OP_lit29 = 0x4D, // Literal 29 156f6c50668Spatrick DW_OP_lit30 = 0x4E, // Literal 30 157f6c50668Spatrick DW_OP_lit31 = 0x4F, // Literal 31 158f6c50668Spatrick DW_OP_reg0 = 0x50, // Contents of reg0 159f6c50668Spatrick DW_OP_reg1 = 0x51, // Contents of reg1 160f6c50668Spatrick DW_OP_reg2 = 0x52, // Contents of reg2 161f6c50668Spatrick DW_OP_reg3 = 0x53, // Contents of reg3 162f6c50668Spatrick DW_OP_reg4 = 0x54, // Contents of reg4 163f6c50668Spatrick DW_OP_reg5 = 0x55, // Contents of reg5 164f6c50668Spatrick DW_OP_reg6 = 0x56, // Contents of reg6 165f6c50668Spatrick DW_OP_reg7 = 0x57, // Contents of reg7 166f6c50668Spatrick DW_OP_reg8 = 0x58, // Contents of reg8 167f6c50668Spatrick DW_OP_reg9 = 0x59, // Contents of reg9 168f6c50668Spatrick DW_OP_reg10 = 0x5A, // Contents of reg10 169f6c50668Spatrick DW_OP_reg11 = 0x5B, // Contents of reg11 170f6c50668Spatrick DW_OP_reg12 = 0x5C, // Contents of reg12 171f6c50668Spatrick DW_OP_reg13 = 0x5D, // Contents of reg13 172f6c50668Spatrick DW_OP_reg14 = 0x5E, // Contents of reg14 173f6c50668Spatrick DW_OP_reg15 = 0x5F, // Contents of reg15 174f6c50668Spatrick DW_OP_reg16 = 0x60, // Contents of reg16 175f6c50668Spatrick DW_OP_reg17 = 0x61, // Contents of reg17 176f6c50668Spatrick DW_OP_reg18 = 0x62, // Contents of reg18 177f6c50668Spatrick DW_OP_reg19 = 0x63, // Contents of reg19 178f6c50668Spatrick DW_OP_reg20 = 0x64, // Contents of reg20 179f6c50668Spatrick DW_OP_reg21 = 0x65, // Contents of reg21 180f6c50668Spatrick DW_OP_reg22 = 0x66, // Contents of reg22 181f6c50668Spatrick DW_OP_reg23 = 0x67, // Contents of reg23 182f6c50668Spatrick DW_OP_reg24 = 0x68, // Contents of reg24 183f6c50668Spatrick DW_OP_reg25 = 0x69, // Contents of reg25 184f6c50668Spatrick DW_OP_reg26 = 0x6A, // Contents of reg26 185f6c50668Spatrick DW_OP_reg27 = 0x6B, // Contents of reg27 186f6c50668Spatrick DW_OP_reg28 = 0x6C, // Contents of reg28 187f6c50668Spatrick DW_OP_reg29 = 0x6D, // Contents of reg29 188f6c50668Spatrick DW_OP_reg30 = 0x6E, // Contents of reg30 189f6c50668Spatrick DW_OP_reg31 = 0x6F, // Contents of reg31 190f6c50668Spatrick DW_OP_breg0 = 0x70, // base register 0 + SLEB128 offset 191f6c50668Spatrick DW_OP_breg1 = 0x71, // base register 1 + SLEB128 offset 192f6c50668Spatrick DW_OP_breg2 = 0x72, // base register 2 + SLEB128 offset 193f6c50668Spatrick DW_OP_breg3 = 0x73, // base register 3 + SLEB128 offset 194f6c50668Spatrick DW_OP_breg4 = 0x74, // base register 4 + SLEB128 offset 195f6c50668Spatrick DW_OP_breg5 = 0x75, // base register 5 + SLEB128 offset 196f6c50668Spatrick DW_OP_breg6 = 0x76, // base register 6 + SLEB128 offset 197f6c50668Spatrick DW_OP_breg7 = 0x77, // base register 7 + SLEB128 offset 198f6c50668Spatrick DW_OP_breg8 = 0x78, // base register 8 + SLEB128 offset 199f6c50668Spatrick DW_OP_breg9 = 0x79, // base register 9 + SLEB128 offset 200f6c50668Spatrick DW_OP_breg10 = 0x7A, // base register 10 + SLEB128 offset 201f6c50668Spatrick DW_OP_breg11 = 0x7B, // base register 11 + SLEB128 offset 202f6c50668Spatrick DW_OP_breg12 = 0x7C, // base register 12 + SLEB128 offset 203f6c50668Spatrick DW_OP_breg13 = 0x7D, // base register 13 + SLEB128 offset 204f6c50668Spatrick DW_OP_breg14 = 0x7E, // base register 14 + SLEB128 offset 205f6c50668Spatrick DW_OP_breg15 = 0x7F, // base register 15 + SLEB128 offset 206f6c50668Spatrick DW_OP_breg16 = 0x80, // base register 16 + SLEB128 offset 207f6c50668Spatrick DW_OP_breg17 = 0x81, // base register 17 + SLEB128 offset 208f6c50668Spatrick DW_OP_breg18 = 0x82, // base register 18 + SLEB128 offset 209f6c50668Spatrick DW_OP_breg19 = 0x83, // base register 19 + SLEB128 offset 210f6c50668Spatrick DW_OP_breg20 = 0x84, // base register 20 + SLEB128 offset 211f6c50668Spatrick DW_OP_breg21 = 0x85, // base register 21 + SLEB128 offset 212f6c50668Spatrick DW_OP_breg22 = 0x86, // base register 22 + SLEB128 offset 213f6c50668Spatrick DW_OP_breg23 = 0x87, // base register 23 + SLEB128 offset 214f6c50668Spatrick DW_OP_breg24 = 0x88, // base register 24 + SLEB128 offset 215f6c50668Spatrick DW_OP_breg25 = 0x89, // base register 25 + SLEB128 offset 216f6c50668Spatrick DW_OP_breg26 = 0x8A, // base register 26 + SLEB128 offset 217f6c50668Spatrick DW_OP_breg27 = 0x8B, // base register 27 + SLEB128 offset 218f6c50668Spatrick DW_OP_breg28 = 0x8C, // base register 28 + SLEB128 offset 219f6c50668Spatrick DW_OP_breg29 = 0x8D, // base register 29 + SLEB128 offset 220f6c50668Spatrick DW_OP_breg30 = 0x8E, // base register 30 + SLEB128 offset 221f6c50668Spatrick DW_OP_breg31 = 0x8F, // base register 31 + SLEB128 offset 222f6c50668Spatrick DW_OP_regx = 0x90, // ULEB128 register 223f6c50668Spatrick DW_OP_fbreg = 0x91, // SLEB128 offset 224f6c50668Spatrick DW_OP_bregx = 0x92, // ULEB128 register followed by SLEB128 offset 225f6c50668Spatrick DW_OP_piece = 0x93, // ULEB128 size of piece addressed 226f6c50668Spatrick DW_OP_deref_size = 0x94, // 1-byte size of data retrieved 227f6c50668Spatrick DW_OP_xderef_size = 0x95, // 1-byte size of data retrieved 228f6c50668Spatrick DW_OP_nop = 0x96, 229f6c50668Spatrick DW_OP_push_object_addres = 0x97, 230f6c50668Spatrick DW_OP_call2 = 0x98, // 2-byte offset of DIE 231f6c50668Spatrick DW_OP_call4 = 0x99, // 4-byte offset of DIE 232f6c50668Spatrick DW_OP_call_ref = 0x9A, // 4- or 8-byte offset of DIE 233f6c50668Spatrick DW_OP_lo_user = 0xE0, 234f6c50668Spatrick DW_OP_APPLE_uninit = 0xF0, 235f6c50668Spatrick DW_OP_hi_user = 0xFF 236f6c50668Spatrick }; 237f6c50668Spatrick 238f6c50668Spatrick 239f6c50668Spatrick #endif 240