1# clang++ main.cpp -ggnu-pubnames -g2 -gdwarf-5 -fdebug-types-section 2# typedef struct 3# { 4# unsigned a; 5# unsigned b; 6# } S2; 7# 8# int foo() { 9# S2 s; 10# s.a = 0x64A40101; 11# } 12 13 .text 14 .file "main.cpp" 15 .globl main # -- Begin function main 16 .p2align 4, 0x90 17 .type main,@function 18main: # @main 19.Lfunc_begin0: 20 .file 0 "/dwarf5-gdb-index-test" "main.cpp" md5 0x4d2b179743fe9901ae59fc18b8f51c3d 21 .loc 0 7 0 # main.cpp:7:0 22 .cfi_startproc 23# %bb.0: 24 pushq %rbp 25 .cfi_def_cfa_offset 16 26 .cfi_offset %rbp, -16 27 movq %rsp, %rbp 28 .cfi_def_cfa_register %rbp 29.Ltmp0: 30 .loc 0 9 7 prologue_end # main.cpp:9:7 31 movl $1688469761, -8(%rbp) # imm = 0x64A40101 32 .loc 0 10 1 # main.cpp:10:1 33 xorl %eax, %eax 34 .loc 0 10 1 epilogue_begin is_stmt 0 # main.cpp:10:1 35 popq %rbp 36 .cfi_def_cfa %rsp, 8 37 retq 38.Ltmp1: 39.Lfunc_end0: 40 .size main, .Lfunc_end0-main 41 .cfi_endproc 42 # -- End function 43 .section .debug_info,"G",@progbits,4721183873463917179,comdat 44 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 45.Ldebug_info_start0: 46 .short 5 # DWARF version number 47 .byte 2 # DWARF Unit Type 48 .byte 8 # Address Size (in bytes) 49 .long .debug_abbrev # Offset Into Abbrev. Section 50 .quad 4721183873463917179 # Type Signature 51 .long 35 # Type DIE Offset 52 .byte 1 # Abbrev [1] 0x18:0x28 DW_TAG_type_unit 53 .short 33 # DW_AT_language 54 .long .Lline_table_start0 # DW_AT_stmt_list 55 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 56 .byte 2 # Abbrev [2] 0x23:0x18 DW_TAG_structure_type 57 .byte 5 # DW_AT_calling_convention 58 .byte 8 # DW_AT_byte_size 59 .byte 0 # DW_AT_decl_file 60 .byte 1 # DW_AT_decl_line 61 .byte 3 # Abbrev [3] 0x28:0x9 DW_TAG_member 62 .byte 6 # DW_AT_name 63 .long 59 # DW_AT_type 64 .byte 0 # DW_AT_decl_file 65 .byte 3 # DW_AT_decl_line 66 .byte 0 # DW_AT_data_member_location 67 .byte 3 # Abbrev [3] 0x31:0x9 DW_TAG_member 68 .byte 8 # DW_AT_name 69 .long 59 # DW_AT_type 70 .byte 0 # DW_AT_decl_file 71 .byte 4 # DW_AT_decl_line 72 .byte 4 # DW_AT_data_member_location 73 .byte 0 # End Of Children Mark 74 .byte 4 # Abbrev [4] 0x3b:0x4 DW_TAG_base_type 75 .byte 7 # DW_AT_name 76 .byte 7 # DW_AT_encoding 77 .byte 4 # DW_AT_byte_size 78 .byte 0 # End Of Children Mark 79.Ldebug_info_end0: 80 .section .debug_abbrev,"",@progbits 81 .byte 1 # Abbreviation Code 82 .byte 65 # DW_TAG_type_unit 83 .byte 1 # DW_CHILDREN_yes 84 .byte 19 # DW_AT_language 85 .byte 5 # DW_FORM_data2 86 .byte 16 # DW_AT_stmt_list 87 .byte 23 # DW_FORM_sec_offset 88 .byte 114 # DW_AT_str_offsets_base 89 .byte 23 # DW_FORM_sec_offset 90 .byte 0 # EOM(1) 91 .byte 0 # EOM(2) 92 .byte 2 # Abbreviation Code 93 .byte 19 # DW_TAG_structure_type 94 .byte 1 # DW_CHILDREN_yes 95 .byte 54 # DW_AT_calling_convention 96 .byte 11 # DW_FORM_data1 97 .byte 11 # DW_AT_byte_size 98 .byte 11 # DW_FORM_data1 99 .byte 58 # DW_AT_decl_file 100 .byte 11 # DW_FORM_data1 101 .byte 59 # DW_AT_decl_line 102 .byte 11 # DW_FORM_data1 103 .byte 0 # EOM(1) 104 .byte 0 # EOM(2) 105 .byte 3 # Abbreviation Code 106 .byte 13 # DW_TAG_member 107 .byte 0 # DW_CHILDREN_no 108 .byte 3 # DW_AT_name 109 .byte 37 # DW_FORM_strx1 110 .byte 73 # DW_AT_type 111 .byte 19 # DW_FORM_ref4 112 .byte 58 # DW_AT_decl_file 113 .byte 11 # DW_FORM_data1 114 .byte 59 # DW_AT_decl_line 115 .byte 11 # DW_FORM_data1 116 .byte 56 # DW_AT_data_member_location 117 .byte 11 # DW_FORM_data1 118 .byte 0 # EOM(1) 119 .byte 0 # EOM(2) 120 .byte 4 # Abbreviation Code 121 .byte 36 # DW_TAG_base_type 122 .byte 0 # DW_CHILDREN_no 123 .byte 3 # DW_AT_name 124 .byte 37 # DW_FORM_strx1 125 .byte 62 # DW_AT_encoding 126 .byte 11 # DW_FORM_data1 127 .byte 11 # DW_AT_byte_size 128 .byte 11 # DW_FORM_data1 129 .byte 0 # EOM(1) 130 .byte 0 # EOM(2) 131 .byte 5 # Abbreviation Code 132 .byte 17 # DW_TAG_compile_unit 133 .byte 1 # DW_CHILDREN_yes 134 .byte 37 # DW_AT_producer 135 .byte 37 # DW_FORM_strx1 136 .byte 19 # DW_AT_language 137 .byte 5 # DW_FORM_data2 138 .byte 3 # DW_AT_name 139 .byte 37 # DW_FORM_strx1 140 .byte 114 # DW_AT_str_offsets_base 141 .byte 23 # DW_FORM_sec_offset 142 .byte 16 # DW_AT_stmt_list 143 .byte 23 # DW_FORM_sec_offset 144 .byte 27 # DW_AT_comp_dir 145 .byte 37 # DW_FORM_strx1 146 .ascii "\264B" # DW_AT_GNU_pubnames 147 .byte 25 # DW_FORM_flag_present 148 .byte 17 # DW_AT_low_pc 149 .byte 27 # DW_FORM_addrx 150 .byte 18 # DW_AT_high_pc 151 .byte 6 # DW_FORM_data4 152 .byte 115 # DW_AT_addr_base 153 .byte 23 # DW_FORM_sec_offset 154 .byte 0 # EOM(1) 155 .byte 0 # EOM(2) 156 .byte 6 # Abbreviation Code 157 .byte 46 # DW_TAG_subprogram 158 .byte 1 # DW_CHILDREN_yes 159 .byte 17 # DW_AT_low_pc 160 .byte 27 # DW_FORM_addrx 161 .byte 18 # DW_AT_high_pc 162 .byte 6 # DW_FORM_data4 163 .byte 64 # DW_AT_frame_base 164 .byte 24 # DW_FORM_exprloc 165 .byte 3 # DW_AT_name 166 .byte 37 # DW_FORM_strx1 167 .byte 58 # DW_AT_decl_file 168 .byte 11 # DW_FORM_data1 169 .byte 59 # DW_AT_decl_line 170 .byte 11 # DW_FORM_data1 171 .byte 73 # DW_AT_type 172 .byte 19 # DW_FORM_ref4 173 .byte 63 # DW_AT_external 174 .byte 25 # DW_FORM_flag_present 175 .byte 0 # EOM(1) 176 .byte 0 # EOM(2) 177 .byte 7 # Abbreviation Code 178 .byte 52 # DW_TAG_variable 179 .byte 0 # DW_CHILDREN_no 180 .byte 2 # DW_AT_location 181 .byte 24 # DW_FORM_exprloc 182 .byte 3 # DW_AT_name 183 .byte 37 # DW_FORM_strx1 184 .byte 58 # DW_AT_decl_file 185 .byte 11 # DW_FORM_data1 186 .byte 59 # DW_AT_decl_line 187 .byte 11 # DW_FORM_data1 188 .byte 73 # DW_AT_type 189 .byte 19 # DW_FORM_ref4 190 .byte 0 # EOM(1) 191 .byte 0 # EOM(2) 192 .byte 8 # Abbreviation Code 193 .byte 22 # DW_TAG_typedef 194 .byte 0 # DW_CHILDREN_no 195 .byte 73 # DW_AT_type 196 .byte 19 # DW_FORM_ref4 197 .byte 3 # DW_AT_name 198 .byte 37 # DW_FORM_strx1 199 .byte 58 # DW_AT_decl_file 200 .byte 11 # DW_FORM_data1 201 .byte 59 # DW_AT_decl_line 202 .byte 11 # DW_FORM_data1 203 .byte 0 # EOM(1) 204 .byte 0 # EOM(2) 205 .byte 9 # Abbreviation Code 206 .byte 19 # DW_TAG_structure_type 207 .byte 0 # DW_CHILDREN_no 208 .byte 60 # DW_AT_declaration 209 .byte 25 # DW_FORM_flag_present 210 .byte 105 # DW_AT_signature 211 .byte 32 # DW_FORM_ref_sig8 212 .byte 0 # EOM(1) 213 .byte 0 # EOM(2) 214 .byte 0 # EOM(3) 215 .section .debug_info,"",@progbits 216.Lcu_begin0: 217 .long .Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit 218.Ldebug_info_start1: 219 .short 5 # DWARF version number 220 .byte 1 # DWARF Unit Type 221 .byte 8 # Address Size (in bytes) 222 .long .debug_abbrev # Offset Into Abbrev. Section 223 .byte 5 # Abbrev [5] 0xc:0x48 DW_TAG_compile_unit 224 .byte 0 # DW_AT_producer 225 .short 33 # DW_AT_language 226 .byte 1 # DW_AT_name 227 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 228 .long .Lline_table_start0 # DW_AT_stmt_list 229 .byte 2 # DW_AT_comp_dir 230 # DW_AT_GNU_pubnames 231 .byte 0 # DW_AT_low_pc 232 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 233 .long .Laddr_table_base0 # DW_AT_addr_base 234 .byte 6 # Abbrev [6] 0x23:0x1b DW_TAG_subprogram 235 .byte 0 # DW_AT_low_pc 236 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 237 .byte 1 # DW_AT_frame_base 238 .byte 86 239 .byte 3 # DW_AT_name 240 .byte 0 # DW_AT_decl_file 241 .byte 7 # DW_AT_decl_line 242 .long 62 # DW_AT_type 243 # DW_AT_external 244 .byte 7 # Abbrev [7] 0x32:0xb DW_TAG_variable 245 .byte 2 # DW_AT_location 246 .byte 145 247 .byte 120 248 .byte 5 # DW_AT_name 249 .byte 0 # DW_AT_decl_file 250 .byte 8 # DW_AT_decl_line 251 .long 66 # DW_AT_type 252 .byte 0 # End Of Children Mark 253 .byte 4 # Abbrev [4] 0x3e:0x4 DW_TAG_base_type 254 .byte 4 # DW_AT_name 255 .byte 5 # DW_AT_encoding 256 .byte 4 # DW_AT_byte_size 257 .byte 8 # Abbrev [8] 0x42:0x8 DW_TAG_typedef 258 .long 74 # DW_AT_type 259 .byte 9 # DW_AT_name 260 .byte 0 # DW_AT_decl_file 261 .byte 5 # DW_AT_decl_line 262 .byte 9 # Abbrev [9] 0x4a:0x9 DW_TAG_structure_type 263 # DW_AT_declaration 264 .quad 4721183873463917179 # DW_AT_signature 265 .byte 0 # End Of Children Mark 266.Ldebug_info_end1: 267 .section .debug_str_offsets,"",@progbits 268 .long 44 # Length of String Offsets Set 269 .short 5 270 .short 0 271.Lstr_offsets_base0: 272 .section .debug_str,"MS",@progbits,1 273.Linfo_string0: 274 .asciz "clang version 15.0.0" # string offset=0 275.Linfo_string1: 276 .asciz "main.cpp" # string offset=146 277.Linfo_string2: 278 .asciz "/dwarf5-gdb-index-test" # string offset=155 279.Linfo_string3: 280 .asciz "main" # string offset=215 281.Linfo_string4: 282 .asciz "int" # string offset=220 283.Linfo_string5: 284 .asciz "s" # string offset=224 285.Linfo_string6: 286 .asciz "a" # string offset=226 287.Linfo_string7: 288 .asciz "unsigned int" # string offset=228 289.Linfo_string8: 290 .asciz "b" # string offset=241 291.Linfo_string9: 292 .asciz "S" # string offset=243 293 .section .debug_str_offsets,"",@progbits 294 .long .Linfo_string0 295 .long .Linfo_string1 296 .long .Linfo_string2 297 .long .Linfo_string3 298 .long .Linfo_string4 299 .long .Linfo_string5 300 .long .Linfo_string6 301 .long .Linfo_string7 302 .long .Linfo_string8 303 .long .Linfo_string9 304 .section .debug_addr,"",@progbits 305 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 306.Ldebug_addr_start0: 307 .short 5 # DWARF version number 308 .byte 8 # Address size 309 .byte 0 # Segment selector size 310.Laddr_table_base0: 311 .quad .Lfunc_begin0 312.Ldebug_addr_end0: 313 .section .debug_gnu_pubnames,"",@progbits 314 .long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info 315.LpubNames_start0: 316 .short 2 # DWARF Version 317 .long .Lcu_begin0 # Offset of Compilation Unit Info 318 .long 84 # Compilation Unit Length 319 .long 35 # DIE offset 320 .byte 48 # Attributes: FUNCTION, EXTERNAL 321 .asciz "main" # External Name 322 .long 0 # End Mark 323.LpubNames_end0: 324 .section .debug_gnu_pubtypes,"",@progbits 325 .long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info 326.LpubTypes_start0: 327 .short 2 # DWARF Version 328 .long .Lcu_begin0 # Offset of Compilation Unit Info 329 .long 84 # Compilation Unit Length 330 .long 62 # DIE offset 331 .byte 144 # Attributes: TYPE, STATIC 332 .asciz "int" # External Name 333 .long 66 # DIE offset 334 .byte 144 # Attributes: TYPE, STATIC 335 .asciz "S" # External Name 336 .long 12 # DIE offset 337 .byte 16 # Attributes: TYPE, EXTERNAL 338 .asciz "unsigned int" # External Name 339 .long 0 # End Mark 340.LpubTypes_end0: 341 .ident "clang version 15.0.0" 342 .section ".note.GNU-stack","",@progbits 343 .addrsig 344 .section .debug_line,"",@progbits 345.Lline_table_start0: 346