1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright (C) 2004-2016 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 /* Test a minimal file containing DWARF-2 information. This test also 19 serves as a skeleton for other DWARF-2 tests. Most other tests will 20 not be this extensively itemized and commented... */ 21 22 /* Dummy function to provide debug information for. */ 23 24 .text 25 .Lbegin_text1: 26 .globl func_cu1 27 .type func_cu1, %function 28 func_cu1: 29 .Lbegin_func_cu1: 30 .4byte 0 31 .Lend_func_cu1: 32 .size func_cu1, .-func_cu1 33 .Lend_text1: 34 35 /* Debug information */ 36 37 .section .debug_info 38 .Lcu1_begin: 39 /* CU header */ 40 .4byte .Lcu1_end - .Lcu1_start /* Length of Compilation Unit */ 41 .Lcu1_start: 42 .2byte 2 /* DWARF Version */ 43 .4byte .Labbrev1_begin /* Offset into abbrev section */ 44 .byte 4 /* Pointer size */ 45 46 /* CU die */ 47 .uleb128 1 /* Abbrev: DW_TAG_compile_unit */ 48 .4byte .Lline1_begin /* DW_AT_stmt_list */ 49 .4byte .Lend_text1 /* DW_AT_high_pc */ 50 .4byte .Lbegin_text1 /* DW_AT_low_pc */ 51 .ascii "file1.txt\0" /* DW_AT_name */ 52 .ascii "GNU C 3.3.3\0" /* DW_AT_producer */ 53 .byte 1 /* DW_AT_language (C) */ 54 55 /* func_cu1 */ 56 .uleb128 2 /* Abbrev: DW_TAG_subprogram */ 57 .byte 1 /* DW_AT_external */ 58 .byte 1 /* DW_AT_decl_file */ 59 .byte 2 /* DW_AT_decl_line */ 60 .ascii "func_cu1\0" /* DW_AT_name */ 61 .4byte .Ltype_int2_in_cu2 /* DW_AT_type */ 62 .4byte .Lbegin_func_cu1 /* DW_AT_low_pc */ 63 .4byte .Lend_func_cu1 /* DW_AT_high_pc */ 64 .byte 1 /* DW_AT_frame_base: length */ 65 .byte 0x55 /* DW_AT_frame_base: DW_OP_reg5 */ 66 67 /* This type is named "int1" and not "int" to ensure it is unique, 68 and thus we can easily ensure we expand this CU and not some 69 other CU with "int". */ 70 .Ltype_int1_in_cu1: 71 .uleb128 3 /* Abbrev: DW_TAG_base_type */ 72 .ascii "int1\0" /* DW_AT_name */ 73 .byte 4 /* DW_AT_byte_size */ 74 .byte 5 /* DW_AT_encoding */ 75 76 .Ltype_const_int1_in_cu1: 77 .uleb128 4 /* Abbrev: DW_TAG_const_type */ 78 .4byte .Ltype_int1_in_cu1-.Lcu1_begin /* DW_AT_type */ 79 80 .uleb128 5 /* Abbrev: DW_TAG_variable */ 81 .ascii "one\0" /* DW_AT_name */ 82 .4byte .Ltype_const_int1_in_cu1-.Lcu1_begin /* DW_AT_type */ 83 .byte 1 /* DW_AT_const_value */ 84 85 .byte 0 /* End of children of CU */ 86 87 .Lcu1_end: 88 89 /* Second compilation unit. */ 90 .Lcu2_begin: 91 /* CU header */ 92 .4byte .Lcu2_end - .Lcu2_start /* Length of Compilation Unit */ 93 .Lcu2_start: 94 .2byte 2 /* DWARF Version */ 95 .4byte .Labbrev2_begin /* Offset into abbrev section */ 96 .byte 4 /* Pointer size */ 97 98 /* CU die */ 99 .uleb128 1 /* Abbrev: DW_TAG_compile_unit */ 100 .ascii "file1.txt\0" /* DW_AT_name */ 101 .ascii "GNU C 3.3.3\0" /* DW_AT_producer */ 102 .byte 1 /* DW_AT_language (C) */ 103 104 /* This type is named "int2" and not "int" to ensure it is unique, 105 and thus we can easily ensure we expand this CU and not some 106 other CU with "int". */ 107 .Ltype_int2_in_cu2: 108 .uleb128 2 /* Abbrev: DW_TAG_base_type */ 109 .ascii "int2\0" /* DW_AT_name */ 110 .byte 4 /* DW_AT_byte_size */ 111 .byte 5 /* DW_AT_encoding */ 112 113 .Ltype_const_int2_in_cu2: 114 .uleb128 3 /* Abbrev: DW_TAG_const_type */ 115 .4byte .Ltype_int2_in_cu2-.Lcu2_begin /* DW_AT_type */ 116 117 .uleb128 4 /* Abbrev: DW_TAG_variable */ 118 .ascii "two\0" /* DW_AT_name */ 119 .4byte .Ltype_const_int2_in_cu2-.Lcu2_begin /* DW_AT_type */ 120 .byte 2 /* DW_AT_const_value */ 121 122 .byte 0 /* End of children of CU */ 123 124 .Lcu2_end: 125 126 /* Abbrev table */ 127 .section .debug_abbrev 128 .Labbrev1_begin: 129 .uleb128 1 /* Abbrev code */ 130 .uleb128 0x11 /* DW_TAG_compile_unit */ 131 .byte 1 /* has_children */ 132 .uleb128 0x10 /* DW_AT_stmt_list */ 133 .uleb128 0x6 /* DW_FORM_data4 */ 134 .uleb128 0x12 /* DW_AT_high_pc */ 135 .uleb128 0x1 /* DW_FORM_addr */ 136 .uleb128 0x11 /* DW_AT_low_pc */ 137 .uleb128 0x1 /* DW_FORM_addr */ 138 .uleb128 0x3 /* DW_AT_name */ 139 .uleb128 0x8 /* DW_FORM_string */ 140 .uleb128 0x25 /* DW_AT_producer */ 141 .uleb128 0x8 /* DW_FORM_string */ 142 .uleb128 0x13 /* DW_AT_language */ 143 .uleb128 0xb /* DW_FORM_data1 */ 144 .byte 0x0 /* Terminator */ 145 .byte 0x0 /* Terminator */ 146 147 .uleb128 2 /* Abbrev code */ 148 .uleb128 0x2e /* DW_TAG_subprogram */ 149 .byte 0 /* has_children */ 150 .uleb128 0x3f /* DW_AT_external */ 151 .uleb128 0xc /* DW_FORM_flag */ 152 .uleb128 0x3a /* DW_AT_decl_file */ 153 .uleb128 0xb /* DW_FORM_data1 */ 154 .uleb128 0x3b /* DW_AT_decl_line */ 155 .uleb128 0xb /* DW_FORM_data1 */ 156 .uleb128 0x3 /* DW_AT_name */ 157 .uleb128 0x8 /* DW_FORM_string */ 158 .uleb128 0x49 /* DW_AT_type */ 159 .uleb128 0x10 /* DW_FORM_ref_addr */ 160 .uleb128 0x11 /* DW_AT_low_pc */ 161 .uleb128 0x1 /* DW_FORM_addr */ 162 .uleb128 0x12 /* DW_AT_high_pc */ 163 .uleb128 0x1 /* DW_FORM_addr */ 164 .uleb128 0x40 /* DW_AT_frame_base */ 165 .uleb128 0xa /* DW_FORM_block1 */ 166 .byte 0x0 /* Terminator */ 167 .byte 0x0 /* Terminator */ 168 169 .uleb128 3 /* Abbrev code */ 170 .uleb128 0x24 /* DW_TAG_base_type */ 171 .byte 0 /* has_children */ 172 .uleb128 0x3 /* DW_AT_name */ 173 .uleb128 0x8 /* DW_FORM_string */ 174 .uleb128 0xb /* DW_AT_byte_size */ 175 .uleb128 0xb /* DW_FORM_data1 */ 176 .uleb128 0x3e /* DW_AT_encoding */ 177 .uleb128 0xb /* DW_FORM_data1 */ 178 .byte 0x0 /* Terminator */ 179 .byte 0x0 /* Terminator */ 180 181 .uleb128 4 /* Abbrev code */ 182 .uleb128 0x26 /* DW_TAG_const_type */ 183 .byte 0x0 /* DW_children_no */ 184 .uleb128 0x49 /* DW_AT_type */ 185 .uleb128 0x13 /* DW_FORM_ref4 */ 186 .byte 0x0 /* Terminator */ 187 .byte 0x0 /* Terminator */ 188 189 .uleb128 5 /* Abbrev code */ 190 .uleb128 0x34 /* DW_TAG_variable */ 191 .byte 0x0 /* DW_children_no */ 192 .uleb128 0x3 /* DW_AT_name */ 193 .uleb128 0x8 /* DW_FORM_string */ 194 .uleb128 0x49 /* DW_AT_type */ 195 .uleb128 0x13 /* DW_FORM_ref4 */ 196 .uleb128 0x1c /* DW_AT_const_value */ 197 .uleb128 0xb /* DW_FORM_data1 */ 198 .byte 0x0 /* Terminator */ 199 .byte 0x0 /* Terminator */ 200 201 .byte 0x0 /* Terminator */ 202 .byte 0x0 /* Terminator */ 203 204 .Labbrev2_begin: 205 .uleb128 1 /* Abbrev code */ 206 .uleb128 0x11 /* DW_TAG_compile_unit */ 207 .byte 1 /* has_children */ 208 .uleb128 0x3 /* DW_AT_name */ 209 .uleb128 0x8 /* DW_FORM_string */ 210 .uleb128 0x25 /* DW_AT_producer */ 211 .uleb128 0x8 /* DW_FORM_string */ 212 .uleb128 0x13 /* DW_AT_language */ 213 .uleb128 0xb /* DW_FORM_data1 */ 214 .byte 0x0 /* Terminator */ 215 .byte 0x0 /* Terminator */ 216 217 .uleb128 2 /* Abbrev code */ 218 .uleb128 0x24 /* DW_TAG_base_type */ 219 .byte 0 /* has_children */ 220 .uleb128 0x3 /* DW_AT_name */ 221 .uleb128 0x8 /* DW_FORM_string */ 222 .uleb128 0xb /* DW_AT_byte_size */ 223 .uleb128 0xb /* DW_FORM_data1 */ 224 .uleb128 0x3e /* DW_AT_encoding */ 225 .uleb128 0xb /* DW_FORM_data1 */ 226 .byte 0x0 /* Terminator */ 227 .byte 0x0 /* Terminator */ 228 229 .uleb128 3 /* Abbrev code */ 230 .uleb128 0x26 /* DW_TAG_const_type */ 231 .byte 0x0 /* DW_children_no */ 232 .uleb128 0x49 /* DW_AT_type */ 233 .uleb128 0x13 /* DW_FORM_ref4 */ 234 .byte 0x0 /* Terminator */ 235 .byte 0x0 /* Terminator */ 236 237 .uleb128 4 /* Abbrev code */ 238 .uleb128 0x34 /* DW_TAG_variable */ 239 .byte 0x0 /* DW_children_no */ 240 .uleb128 0x3 /* DW_AT_name */ 241 .uleb128 0x8 /* DW_FORM_string */ 242 .uleb128 0x49 /* DW_AT_type */ 243 .uleb128 0x13 /* DW_FORM_ref4 */ 244 .uleb128 0x1c /* DW_AT_const_value */ 245 .uleb128 0xb /* DW_FORM_data1 */ 246 .byte 0x0 /* Terminator */ 247 .byte 0x0 /* Terminator */ 248 249 .byte 0x0 /* Terminator */ 250 .byte 0x0 /* Terminator */ 251 252 /* Line table */ 253 .section .debug_line 254 .Lline1_begin: 255 .4byte .Lline1_end - .Lline1_start /* Initial length */ 256 .Lline1_start: 257 .2byte 2 /* Version */ 258 .4byte .Lline1_lines - .Lline1_hdr /* header_length */ 259 .Lline1_hdr: 260 .byte 1 /* Minimum insn length */ 261 .byte 1 /* default_is_stmt */ 262 .byte 1 /* line_base */ 263 .byte 1 /* line_range */ 264 .byte 0x10 /* opcode_base */ 265 266 /* Standard lengths */ 267 .byte 0 268 .byte 1 269 .byte 1 270 .byte 1 271 .byte 1 272 .byte 0 273 .byte 0 274 .byte 0 275 .byte 1 276 .byte 0 277 .byte 0 278 .byte 1 279 .byte 0 280 .byte 0 281 .byte 0 282 283 /* Include directories */ 284 .byte 0 285 286 /* File names */ 287 .ascii "file1.txt\0" 288 .uleb128 0 289 .uleb128 0 290 .uleb128 0 291 292 .byte 0 293 294 .Lline1_lines: 295 .byte 0 /* DW_LNE_set_address */ 296 .uleb128 5 297 .byte 2 298 .4byte .Lbegin_func_cu1 299 300 .byte 3 /* DW_LNS_advance_line */ 301 .sleb128 3 /* ... to 4 */ 302 303 .byte 1 /* DW_LNS_copy */ 304 305 .byte 1 /* DW_LNS_copy (second time as an end-of-prologue marker) */ 306 307 .byte 0 /* DW_LNE_set_address */ 308 .uleb128 5 309 .byte 2 310 .4byte .Lend_func_cu1 311 312 .byte 0 /* DW_LNE_end_of_sequence */ 313 .uleb128 1 314 .byte 1 315 316 .Lline1_end: 317
