1# clang++ main.cpp -g -O2 -S 2# void use(int * x, int * y) { 3# *x += 4; 4# *y -= 2; 5# } 6# 7# extern int fooVar; 8# int main(int argc, char *argv[]) { 9# int x = argc; 10# int y = fooVar + 3; 11# use(&x, &y); 12# return x + y; 13# } 14 15 16 .text 17 .file "main.cpp" 18 .globl _Z3usePiS_ # -- Begin function _Z3usePiS_ 19 .p2align 4, 0x90 20 .type _Z3usePiS_,@function 21_Z3usePiS_: # @_Z3usePiS_ 22.Lfunc_begin0: 23 .file 0 "/testLocListMultiple" "main.cpp" md5 0xb1a1551182284263b0faa0cae08277da 24 .loc 0 1 0 # main.cpp:1:0 25 .cfi_startproc 26# %bb.0: # %entry 27 #DEBUG_VALUE: use:x <- $rdi 28 #DEBUG_VALUE: use:y <- $rsi 29 .loc 0 2 4 prologue_end # main.cpp:2:4 30 addl $4, (%rdi) 31 .loc 0 3 4 # main.cpp:3:4 32 addl $-2, (%rsi) 33 .loc 0 4 1 # main.cpp:4:1 34 retq 35.Ltmp0: 36.Lfunc_end0: 37 .size _Z3usePiS_, .Lfunc_end0-_Z3usePiS_ 38 .cfi_endproc 39 # -- End function 40 .globl main # -- Begin function main 41 .p2align 4, 0x90 42 .type main,@function 43main: # @main 44.Lfunc_begin1: 45 .loc 0 7 0 # main.cpp:7:0 46 .cfi_startproc 47# %bb.0: # %entry 48 #DEBUG_VALUE: main:argc <- $edi 49 #DEBUG_VALUE: main:argv <- $rsi 50 #DEBUG_VALUE: main:x <- $edi 51 # kill: def $edi killed $edi def $rdi 52 .loc 0 9 12 prologue_end # main.cpp:9:12 53 movl fooVar(%rip), %eax 54.Ltmp1: 55 #DEBUG_VALUE: main:y <- [DW_OP_plus_uconst 3, DW_OP_stack_value] $eax 56 #DEBUG_VALUE: main:y <- [DW_OP_plus_uconst 1, DW_OP_stack_value] $eax 57 #DEBUG_VALUE: main:x <- [DW_OP_plus_uconst 4, DW_OP_stack_value] $edi 58 .loc 0 11 13 # main.cpp:11:13 59 addl %edi, %eax 60.Ltmp2: 61 addl $5, %eax 62 .loc 0 11 4 is_stmt 0 # main.cpp:11:4 63 retq 64.Ltmp3: 65.Lfunc_end1: 66 .size main, .Lfunc_end1-main 67 .cfi_endproc 68 # -- End function 69 .section .debug_loclists,"",@progbits 70 .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length 71.Ldebug_list_header_start0: 72 .short 5 # Version 73 .byte 8 # Address size 74 .byte 0 # Segment selector size 75 .long 2 # Offset entry count 76.Lloclists_table_base0: 77 .long .Ldebug_loc0-.Lloclists_table_base0 78 .long .Ldebug_loc1-.Lloclists_table_base0 79.Ldebug_loc0: 80 .byte 4 # DW_LLE_offset_pair 81 .uleb128 .Lfunc_begin1-.Lfunc_begin0 # starting offset 82 .uleb128 .Ltmp1-.Lfunc_begin0 # ending offset 83 .byte 1 # Loc expr size 84 .byte 85 # super-register DW_OP_reg5 85 .byte 4 # DW_LLE_offset_pair 86 .uleb128 .Ltmp1-.Lfunc_begin0 # starting offset 87 .uleb128 .Lfunc_end1-.Lfunc_begin0 # ending offset 88 .byte 10 # Loc expr size 89 .byte 117 # DW_OP_breg5 90 .byte 4 # 4 91 .byte 16 # DW_OP_constu 92 .byte 255 # 4294967295 93 .byte 255 # 94 .byte 255 # 95 .byte 255 # 96 .byte 15 # 97 .byte 26 # DW_OP_and 98 .byte 159 # DW_OP_stack_value 99 .byte 0 # DW_LLE_end_of_list 100.Ldebug_loc1: 101 .byte 4 # DW_LLE_offset_pair 102 .uleb128 .Ltmp1-.Lfunc_begin0 # starting offset 103 .uleb128 .Ltmp2-.Lfunc_begin0 # ending offset 104 .byte 10 # Loc expr size 105 .byte 112 # DW_OP_breg0 106 .byte 1 # 1 107 .byte 16 # DW_OP_constu 108 .byte 255 # 4294967295 109 .byte 255 # 110 .byte 255 # 111 .byte 255 # 112 .byte 15 # 113 .byte 26 # DW_OP_and 114 .byte 159 # DW_OP_stack_value 115 .byte 0 # DW_LLE_end_of_list 116.Ldebug_list_header_end0: 117 .section .debug_abbrev,"",@progbits 118 .byte 1 # Abbreviation Code 119 .byte 17 # DW_TAG_compile_unit 120 .byte 1 # DW_CHILDREN_yes 121 .byte 37 # DW_AT_producer 122 .byte 37 # DW_FORM_strx1 123 .byte 19 # DW_AT_language 124 .byte 5 # DW_FORM_data2 125 .byte 3 # DW_AT_name 126 .byte 37 # DW_FORM_strx1 127 .byte 114 # DW_AT_str_offsets_base 128 .byte 23 # DW_FORM_sec_offset 129 .byte 16 # DW_AT_stmt_list 130 .byte 23 # DW_FORM_sec_offset 131 .byte 27 # DW_AT_comp_dir 132 .byte 37 # DW_FORM_strx1 133 .byte 17 # DW_AT_low_pc 134 .byte 27 # DW_FORM_addrx 135 .byte 18 # DW_AT_high_pc 136 .byte 6 # DW_FORM_data4 137 .byte 115 # DW_AT_addr_base 138 .byte 23 # DW_FORM_sec_offset 139 .ascii "\214\001" # DW_AT_loclists_base 140 .byte 23 # DW_FORM_sec_offset 141 .byte 0 # EOM(1) 142 .byte 0 # EOM(2) 143 .byte 2 # Abbreviation Code 144 .byte 46 # DW_TAG_subprogram 145 .byte 1 # DW_CHILDREN_yes 146 .byte 17 # DW_AT_low_pc 147 .byte 27 # DW_FORM_addrx 148 .byte 18 # DW_AT_high_pc 149 .byte 6 # DW_FORM_data4 150 .byte 64 # DW_AT_frame_base 151 .byte 24 # DW_FORM_exprloc 152 .byte 122 # DW_AT_call_all_calls 153 .byte 25 # DW_FORM_flag_present 154 .byte 110 # DW_AT_linkage_name 155 .byte 37 # DW_FORM_strx1 156 .byte 3 # DW_AT_name 157 .byte 37 # DW_FORM_strx1 158 .byte 58 # DW_AT_decl_file 159 .byte 11 # DW_FORM_data1 160 .byte 59 # DW_AT_decl_line 161 .byte 11 # DW_FORM_data1 162 .byte 63 # DW_AT_external 163 .byte 25 # DW_FORM_flag_present 164 .byte 0 # EOM(1) 165 .byte 0 # EOM(2) 166 .byte 3 # Abbreviation Code 167 .byte 5 # DW_TAG_formal_parameter 168 .byte 0 # DW_CHILDREN_no 169 .byte 2 # DW_AT_location 170 .byte 24 # DW_FORM_exprloc 171 .byte 3 # DW_AT_name 172 .byte 37 # DW_FORM_strx1 173 .byte 58 # DW_AT_decl_file 174 .byte 11 # DW_FORM_data1 175 .byte 59 # DW_AT_decl_line 176 .byte 11 # DW_FORM_data1 177 .byte 73 # DW_AT_type 178 .byte 19 # DW_FORM_ref4 179 .byte 0 # EOM(1) 180 .byte 0 # EOM(2) 181 .byte 4 # Abbreviation Code 182 .byte 46 # DW_TAG_subprogram 183 .byte 1 # DW_CHILDREN_yes 184 .byte 17 # DW_AT_low_pc 185 .byte 27 # DW_FORM_addrx 186 .byte 18 # DW_AT_high_pc 187 .byte 6 # DW_FORM_data4 188 .byte 64 # DW_AT_frame_base 189 .byte 24 # DW_FORM_exprloc 190 .byte 122 # DW_AT_call_all_calls 191 .byte 25 # DW_FORM_flag_present 192 .byte 3 # DW_AT_name 193 .byte 37 # DW_FORM_strx1 194 .byte 58 # DW_AT_decl_file 195 .byte 11 # DW_FORM_data1 196 .byte 59 # DW_AT_decl_line 197 .byte 11 # DW_FORM_data1 198 .byte 73 # DW_AT_type 199 .byte 19 # DW_FORM_ref4 200 .byte 63 # DW_AT_external 201 .byte 25 # DW_FORM_flag_present 202 .byte 0 # EOM(1) 203 .byte 0 # EOM(2) 204 .byte 5 # Abbreviation Code 205 .byte 52 # DW_TAG_variable 206 .byte 0 # DW_CHILDREN_no 207 .byte 2 # DW_AT_location 208 .byte 34 # DW_FORM_loclistx 209 .byte 3 # DW_AT_name 210 .byte 37 # DW_FORM_strx1 211 .byte 58 # DW_AT_decl_file 212 .byte 11 # DW_FORM_data1 213 .byte 59 # DW_AT_decl_line 214 .byte 11 # DW_FORM_data1 215 .byte 73 # DW_AT_type 216 .byte 19 # DW_FORM_ref4 217 .byte 0 # EOM(1) 218 .byte 0 # EOM(2) 219 .byte 6 # Abbreviation Code 220 .byte 36 # DW_TAG_base_type 221 .byte 0 # DW_CHILDREN_no 222 .byte 3 # DW_AT_name 223 .byte 37 # DW_FORM_strx1 224 .byte 62 # DW_AT_encoding 225 .byte 11 # DW_FORM_data1 226 .byte 11 # DW_AT_byte_size 227 .byte 11 # DW_FORM_data1 228 .byte 0 # EOM(1) 229 .byte 0 # EOM(2) 230 .byte 7 # Abbreviation Code 231 .byte 15 # DW_TAG_pointer_type 232 .byte 0 # DW_CHILDREN_no 233 .byte 73 # DW_AT_type 234 .byte 19 # DW_FORM_ref4 235 .byte 0 # EOM(1) 236 .byte 0 # EOM(2) 237 .byte 0 # EOM(3) 238 .section .debug_info,"",@progbits 239.Lcu_begin0: 240 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 241.Ldebug_info_start0: 242 .short 5 # DWARF version number 243 .byte 1 # DWARF Unit Type 244 .byte 8 # Address Size (in bytes) 245 .long .debug_abbrev # Offset Into Abbrev. Section 246 .byte 1 # Abbrev [1] 0xc:0x8a DW_TAG_compile_unit 247 .byte 0 # DW_AT_producer 248 .short 33 # DW_AT_language 249 .byte 1 # DW_AT_name 250 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 251 .long .Lline_table_start0 # DW_AT_stmt_list 252 .byte 2 # DW_AT_comp_dir 253 .byte 0 # DW_AT_low_pc 254 .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc 255 .long .Laddr_table_base0 # DW_AT_addr_base 256 .long .Lloclists_table_base0 # DW_AT_loclists_base 257 .byte 2 # Abbrev [2] 0x27:0x21 DW_TAG_subprogram 258 .byte 0 # DW_AT_low_pc 259 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 260 .byte 1 # DW_AT_frame_base 261 .byte 87 262 # DW_AT_call_all_calls 263 .byte 3 # DW_AT_linkage_name 264 .byte 4 # DW_AT_name 265 .byte 0 # DW_AT_decl_file 266 .byte 1 # DW_AT_decl_line 267 # DW_AT_external 268 .byte 3 # Abbrev [3] 0x33:0xa DW_TAG_formal_parameter 269 .byte 1 # DW_AT_location 270 .byte 85 271 .byte 7 # DW_AT_name 272 .byte 0 # DW_AT_decl_file 273 .byte 1 # DW_AT_decl_line 274 .long 130 # DW_AT_type 275 .byte 3 # Abbrev [3] 0x3d:0xa DW_TAG_formal_parameter 276 .byte 1 # DW_AT_location 277 .byte 84 278 .byte 8 # DW_AT_name 279 .byte 0 # DW_AT_decl_file 280 .byte 1 # DW_AT_decl_line 281 .long 130 # DW_AT_type 282 .byte 0 # End Of Children Mark 283 .byte 4 # Abbrev [4] 0x48:0x36 DW_TAG_subprogram 284 .byte 1 # DW_AT_low_pc 285 .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc 286 .byte 1 # DW_AT_frame_base 287 .byte 87 288 # DW_AT_call_all_calls 289 .byte 5 # DW_AT_name 290 .byte 0 # DW_AT_decl_file 291 .byte 7 # DW_AT_decl_line 292 .long 126 # DW_AT_type 293 # DW_AT_external 294 .byte 3 # Abbrev [3] 0x57:0xa DW_TAG_formal_parameter 295 .byte 1 # DW_AT_location 296 .byte 85 297 .byte 9 # DW_AT_name 298 .byte 0 # DW_AT_decl_file 299 .byte 7 # DW_AT_decl_line 300 .long 126 # DW_AT_type 301 .byte 3 # Abbrev [3] 0x61:0xa DW_TAG_formal_parameter 302 .byte 1 # DW_AT_location 303 .byte 84 304 .byte 10 # DW_AT_name 305 .byte 0 # DW_AT_decl_file 306 .byte 7 # DW_AT_decl_line 307 .long 135 # DW_AT_type 308 .byte 5 # Abbrev [5] 0x6b:0x9 DW_TAG_variable 309 .byte 0 # DW_AT_location 310 .byte 7 # DW_AT_name 311 .byte 0 # DW_AT_decl_file 312 .byte 8 # DW_AT_decl_line 313 .long 126 # DW_AT_type 314 .byte 5 # Abbrev [5] 0x74:0x9 DW_TAG_variable 315 .byte 1 # DW_AT_location 316 .byte 8 # DW_AT_name 317 .byte 0 # DW_AT_decl_file 318 .byte 9 # DW_AT_decl_line 319 .long 126 # DW_AT_type 320 .byte 0 # End Of Children Mark 321 .byte 6 # Abbrev [6] 0x7e:0x4 DW_TAG_base_type 322 .byte 6 # DW_AT_name 323 .byte 5 # DW_AT_encoding 324 .byte 4 # DW_AT_byte_size 325 .byte 7 # Abbrev [7] 0x82:0x5 DW_TAG_pointer_type 326 .long 126 # DW_AT_type 327 .byte 7 # Abbrev [7] 0x87:0x5 DW_TAG_pointer_type 328 .long 140 # DW_AT_type 329 .byte 7 # Abbrev [7] 0x8c:0x5 DW_TAG_pointer_type 330 .long 145 # DW_AT_type 331 .byte 6 # Abbrev [6] 0x91:0x4 DW_TAG_base_type 332 .byte 11 # DW_AT_name 333 .byte 6 # DW_AT_encoding 334 .byte 1 # DW_AT_byte_size 335 .byte 0 # End Of Children Mark 336.Ldebug_info_end0: 337 .section .debug_str_offsets,"",@progbits 338 .long 52 # Length of String Offsets Set 339 .short 5 340 .short 0 341.Lstr_offsets_base0: 342 .section .debug_str,"MS",@progbits,1 343.Linfo_string0: 344 .asciz "clang version 15.0.0" # string offset=0 345.Linfo_string1: 346 .asciz "main.cpp" # string offset=134 347.Linfo_string2: 348 .asciz "/testLocListMultiple" # string offset=143 349.Linfo_string3: 350 .asciz "_Z3usePiS_" # string offset=200 351.Linfo_string4: 352 .asciz "use" # string offset=211 353.Linfo_string5: 354 .asciz "main" # string offset=215 355.Linfo_string6: 356 .asciz "int" # string offset=220 357.Linfo_string7: 358 .asciz "x" # string offset=224 359.Linfo_string8: 360 .asciz "y" # string offset=226 361.Linfo_string9: 362 .asciz "argc" # string offset=228 363.Linfo_string10: 364 .asciz "argv" # string offset=233 365.Linfo_string11: 366 .asciz "char" # string offset=238 367 .section .debug_str_offsets,"",@progbits 368 .long .Linfo_string0 369 .long .Linfo_string1 370 .long .Linfo_string2 371 .long .Linfo_string3 372 .long .Linfo_string4 373 .long .Linfo_string5 374 .long .Linfo_string6 375 .long .Linfo_string7 376 .long .Linfo_string8 377 .long .Linfo_string9 378 .long .Linfo_string10 379 .long .Linfo_string11 380 .section .debug_addr,"",@progbits 381 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 382.Ldebug_addr_start0: 383 .short 5 # DWARF version number 384 .byte 8 # Address size 385 .byte 0 # Segment selector size 386.Laddr_table_base0: 387 .quad .Lfunc_begin0 388 .quad .Lfunc_begin1 389.Ldebug_addr_end0: 390 .ident "clang version 15.0.0" 391 .section ".note.GNU-stack","",@progbits 392 .addrsig 393 .section .debug_line,"",@progbits 394.Lline_table_start0: 395