1# clang++ -fbasic-block-sections=all -ffunction-sections -g2 -gdwarf-5 2# int doStuff(int val) { 3# if (val) 4# ++val; 5# return val; 6# } 7# 8# int main(int argc, const char** argv) { 9# return doStuff(argc); 10# } 11 .text 12 .file "main.cpp" 13 .section .text._Z7doStuffi,"ax",@progbits 14 .globl _Z7doStuffi # -- Begin function _Z7doStuffi 15 .p2align 4, 0x90 16 .type _Z7doStuffi,@function 17_Z7doStuffi: # @_Z7doStuffi 18.Lfunc_begin0: 19 .file 0 "/subprogramRanges" "main.cpp" md5 0x45fd34ef778739dca24be206894f1d15 20 .loc 0 1 0 # main.cpp:1:0 21 .cfi_startproc 22# %bb.0: # %entry 23 pushq %rbp 24 .cfi_def_cfa_offset 16 25 .cfi_offset %rbp, -16 26 movq %rsp, %rbp 27 .cfi_def_cfa_register %rbp 28 movl %edi, -4(%rbp) 29.Ltmp0: 30 .loc 0 2 7 prologue_end # main.cpp:2:7 31 cmpl $0, -4(%rbp) 32.Ltmp1: 33 .loc 0 2 7 is_stmt 0 # main.cpp:2:7 34 je _Z7doStuffi.__part.2 35 jmp _Z7doStuffi.__part.1 36.LBB_END0_0: 37 .cfi_endproc 38 .section .text._Z7doStuffi,"ax",@progbits,unique,1 39_Z7doStuffi.__part.1: # %if.then 40 .cfi_startproc 41 .cfi_def_cfa %rbp, 16 42 .cfi_offset %rbp, -16 43 .loc 0 3 5 is_stmt 1 # main.cpp:3:5 44 movl -4(%rbp), %eax 45 addl $1, %eax 46 movl %eax, -4(%rbp) 47 jmp _Z7doStuffi.__part.2 48.LBB_END0_1: 49 .size _Z7doStuffi.__part.1, .LBB_END0_1-_Z7doStuffi.__part.1 50 .cfi_endproc 51 .section .text._Z7doStuffi,"ax",@progbits,unique,2 52_Z7doStuffi.__part.2: # %if.end 53 .cfi_startproc 54 .cfi_def_cfa %rbp, 16 55 .cfi_offset %rbp, -16 56 .loc 0 4 10 # main.cpp:4:10 57 movl -4(%rbp), %eax 58 .loc 0 4 3 epilogue_begin is_stmt 0 # main.cpp:4:3 59 popq %rbp 60 .cfi_def_cfa %rsp, 8 61 retq 62.LBB_END0_2: 63 .size _Z7doStuffi.__part.2, .LBB_END0_2-_Z7doStuffi.__part.2 64 .cfi_endproc 65 .section .text._Z7doStuffi,"ax",@progbits 66.Lfunc_end0: 67 .size _Z7doStuffi, .Lfunc_end0-_Z7doStuffi 68 # -- End function 69 .section .text.main,"ax",@progbits 70 .globl main # -- Begin function main 71 .p2align 4, 0x90 72 .type main,@function 73main: # @main 74.Lfunc_begin1: 75 .loc 0 7 0 is_stmt 1 # main.cpp:7:0 76 .cfi_startproc 77# %bb.0: # %entry 78 pushq %rbp 79 .cfi_def_cfa_offset 16 80 .cfi_offset %rbp, -16 81 movq %rsp, %rbp 82 .cfi_def_cfa_register %rbp 83 subq $16, %rsp 84 movl $0, -4(%rbp) 85 movl %edi, -8(%rbp) 86 movq %rsi, -16(%rbp) 87.Ltmp2: 88 .loc 0 8 21 prologue_end # main.cpp:8:21 89 movl -8(%rbp), %edi 90 .loc 0 8 13 is_stmt 0 # main.cpp:8:13 91 callq _Z7doStuffi 92 .loc 0 8 5 epilogue_begin # main.cpp:8:5 93 addq $16, %rsp 94 popq %rbp 95 .cfi_def_cfa %rsp, 8 96 retq 97.LBB_END1_0: 98 .cfi_endproc 99.Lfunc_end1: 100 .size main, .Lfunc_end1-main 101 # -- End function 102 .section .debug_abbrev,"",@progbits 103 .byte 1 # Abbreviation Code 104 .byte 17 # DW_TAG_compile_unit 105 .byte 1 # DW_CHILDREN_yes 106 .byte 37 # DW_AT_producer 107 .byte 37 # DW_FORM_strx1 108 .byte 19 # DW_AT_language 109 .byte 5 # DW_FORM_data2 110 .byte 3 # DW_AT_name 111 .byte 37 # DW_FORM_strx1 112 .byte 114 # DW_AT_str_offsets_base 113 .byte 23 # DW_FORM_sec_offset 114 .byte 16 # DW_AT_stmt_list 115 .byte 23 # DW_FORM_sec_offset 116 .byte 27 # DW_AT_comp_dir 117 .byte 37 # DW_FORM_strx1 118 .byte 17 # DW_AT_low_pc 119 .byte 1 # DW_FORM_addr 120 .byte 85 # DW_AT_ranges 121 .byte 35 # DW_FORM_rnglistx 122 .byte 115 # DW_AT_addr_base 123 .byte 23 # DW_FORM_sec_offset 124 .byte 116 # DW_AT_rnglists_base 125 .byte 23 # DW_FORM_sec_offset 126 .byte 0 # EOM(1) 127 .byte 0 # EOM(2) 128 .byte 2 # Abbreviation Code 129 .byte 46 # DW_TAG_subprogram 130 .byte 1 # DW_CHILDREN_yes 131 .byte 85 # DW_AT_ranges 132 .byte 35 # DW_FORM_rnglistx 133 .byte 64 # DW_AT_frame_base 134 .byte 24 # DW_FORM_exprloc 135 .byte 110 # DW_AT_linkage_name 136 .byte 37 # DW_FORM_strx1 137 .byte 3 # DW_AT_name 138 .byte 37 # DW_FORM_strx1 139 .byte 58 # DW_AT_decl_file 140 .byte 11 # DW_FORM_data1 141 .byte 59 # DW_AT_decl_line 142 .byte 11 # DW_FORM_data1 143 .byte 73 # DW_AT_type 144 .byte 19 # DW_FORM_ref4 145 .byte 63 # DW_AT_external 146 .byte 25 # DW_FORM_flag_present 147 .byte 0 # EOM(1) 148 .byte 0 # EOM(2) 149 .byte 3 # Abbreviation Code 150 .byte 5 # DW_TAG_formal_parameter 151 .byte 0 # DW_CHILDREN_no 152 .byte 2 # DW_AT_location 153 .byte 24 # DW_FORM_exprloc 154 .byte 3 # DW_AT_name 155 .byte 37 # DW_FORM_strx1 156 .byte 58 # DW_AT_decl_file 157 .byte 11 # DW_FORM_data1 158 .byte 59 # DW_AT_decl_line 159 .byte 11 # DW_FORM_data1 160 .byte 73 # DW_AT_type 161 .byte 19 # DW_FORM_ref4 162 .byte 0 # EOM(1) 163 .byte 0 # EOM(2) 164 .byte 4 # Abbreviation Code 165 .byte 46 # DW_TAG_subprogram 166 .byte 1 # DW_CHILDREN_yes 167 .byte 17 # DW_AT_low_pc 168 .byte 27 # DW_FORM_addrx 169 .byte 18 # DW_AT_high_pc 170 .byte 6 # DW_FORM_data4 171 .byte 64 # DW_AT_frame_base 172 .byte 24 # DW_FORM_exprloc 173 .byte 3 # DW_AT_name 174 .byte 37 # DW_FORM_strx1 175 .byte 58 # DW_AT_decl_file 176 .byte 11 # DW_FORM_data1 177 .byte 59 # DW_AT_decl_line 178 .byte 11 # DW_FORM_data1 179 .byte 73 # DW_AT_type 180 .byte 19 # DW_FORM_ref4 181 .byte 63 # DW_AT_external 182 .byte 25 # DW_FORM_flag_present 183 .byte 0 # EOM(1) 184 .byte 0 # EOM(2) 185 .byte 5 # Abbreviation Code 186 .byte 36 # DW_TAG_base_type 187 .byte 0 # DW_CHILDREN_no 188 .byte 3 # DW_AT_name 189 .byte 37 # DW_FORM_strx1 190 .byte 62 # DW_AT_encoding 191 .byte 11 # DW_FORM_data1 192 .byte 11 # DW_AT_byte_size 193 .byte 11 # DW_FORM_data1 194 .byte 0 # EOM(1) 195 .byte 0 # EOM(2) 196 .byte 6 # Abbreviation Code 197 .byte 15 # DW_TAG_pointer_type 198 .byte 0 # DW_CHILDREN_no 199 .byte 73 # DW_AT_type 200 .byte 19 # DW_FORM_ref4 201 .byte 0 # EOM(1) 202 .byte 0 # EOM(2) 203 .byte 7 # Abbreviation Code 204 .byte 38 # DW_TAG_const_type 205 .byte 0 # DW_CHILDREN_no 206 .byte 73 # DW_AT_type 207 .byte 19 # DW_FORM_ref4 208 .byte 0 # EOM(1) 209 .byte 0 # EOM(2) 210 .byte 0 # EOM(3) 211 .section .debug_info,"",@progbits 212.Lcu_begin0: 213 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 214.Ldebug_info_start0: 215 .short 5 # DWARF version number 216 .byte 1 # DWARF Unit Type 217 .byte 8 # Address Size (in bytes) 218 .long .debug_abbrev # Offset Into Abbrev. Section 219 .byte 1 # Abbrev [1] 0xc:0x75 DW_TAG_compile_unit 220 .byte 0 # DW_AT_producer 221 .short 33 # DW_AT_language 222 .byte 1 # DW_AT_name 223 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 224 .long .Lline_table_start0 # DW_AT_stmt_list 225 .byte 2 # DW_AT_comp_dir 226 .quad 0 # DW_AT_low_pc 227 .byte 1 # DW_AT_ranges 228 .long .Laddr_table_base0 # DW_AT_addr_base 229 .long .Lrnglists_table_base0 # DW_AT_rnglists_base 230 .byte 2 # Abbrev [2] 0x2b:0x18 DW_TAG_subprogram 231 .byte 0 # DW_AT_ranges 232 .byte 1 # DW_AT_frame_base 233 .byte 86 234 .byte 3 # DW_AT_linkage_name 235 .byte 4 # DW_AT_name 236 .byte 0 # DW_AT_decl_file 237 .byte 1 # DW_AT_decl_line 238 .long 105 # DW_AT_type 239 # DW_AT_external 240 .byte 3 # Abbrev [3] 0x37:0xb DW_TAG_formal_parameter 241 .byte 2 # DW_AT_location 242 .byte 145 243 .byte 124 244 .byte 7 # DW_AT_name 245 .byte 0 # DW_AT_decl_file 246 .byte 1 # DW_AT_decl_line 247 .long 105 # DW_AT_type 248 .byte 0 # End Of Children Mark 249 .byte 4 # Abbrev [4] 0x43:0x26 DW_TAG_subprogram 250 .byte 3 # DW_AT_low_pc 251 .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc 252 .byte 1 # DW_AT_frame_base 253 .byte 86 254 .byte 6 # DW_AT_name 255 .byte 0 # DW_AT_decl_file 256 .byte 7 # DW_AT_decl_line 257 .long 105 # DW_AT_type 258 # DW_AT_external 259 .byte 3 # Abbrev [3] 0x52:0xb DW_TAG_formal_parameter 260 .byte 2 # DW_AT_location 261 .byte 145 262 .byte 120 263 .byte 8 # DW_AT_name 264 .byte 0 # DW_AT_decl_file 265 .byte 7 # DW_AT_decl_line 266 .long 105 # DW_AT_type 267 .byte 3 # Abbrev [3] 0x5d:0xb DW_TAG_formal_parameter 268 .byte 2 # DW_AT_location 269 .byte 145 270 .byte 112 271 .byte 9 # DW_AT_name 272 .byte 0 # DW_AT_decl_file 273 .byte 7 # DW_AT_decl_line 274 .long 109 # DW_AT_type 275 .byte 0 # End Of Children Mark 276 .byte 5 # Abbrev [5] 0x69:0x4 DW_TAG_base_type 277 .byte 5 # DW_AT_name 278 .byte 5 # DW_AT_encoding 279 .byte 4 # DW_AT_byte_size 280 .byte 6 # Abbrev [6] 0x6d:0x5 DW_TAG_pointer_type 281 .long 114 # DW_AT_type 282 .byte 6 # Abbrev [6] 0x72:0x5 DW_TAG_pointer_type 283 .long 119 # DW_AT_type 284 .byte 7 # Abbrev [7] 0x77:0x5 DW_TAG_const_type 285 .long 124 # DW_AT_type 286 .byte 5 # Abbrev [5] 0x7c:0x4 DW_TAG_base_type 287 .byte 10 # DW_AT_name 288 .byte 6 # DW_AT_encoding 289 .byte 1 # DW_AT_byte_size 290 .byte 0 # End Of Children Mark 291.Ldebug_info_end0: 292 .section .debug_rnglists,"",@progbits 293 .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length 294.Ldebug_list_header_start0: 295 .short 5 # Version 296 .byte 8 # Address size 297 .byte 0 # Segment selector size 298 .long 2 # Offset entry count 299.Lrnglists_table_base0: 300 .long .Ldebug_ranges0-.Lrnglists_table_base0 301 .long .Ldebug_ranges1-.Lrnglists_table_base0 302.Ldebug_ranges0: 303 .byte 3 # DW_RLE_startx_length 304 .byte 0 # start index 305 .uleb128 .LBB_END0_1-_Z7doStuffi.__part.1 # length 306 .byte 3 # DW_RLE_startx_length 307 .byte 1 # start index 308 .uleb128 .LBB_END0_2-_Z7doStuffi.__part.2 # length 309 .byte 3 # DW_RLE_startx_length 310 .byte 2 # start index 311 .uleb128 .Lfunc_end0-.Lfunc_begin0 # length 312 .byte 0 # DW_RLE_end_of_list 313.Ldebug_ranges1: 314 .byte 3 # DW_RLE_startx_length 315 .byte 0 # start index 316 .uleb128 .LBB_END0_1-_Z7doStuffi.__part.1 # length 317 .byte 3 # DW_RLE_startx_length 318 .byte 1 # start index 319 .uleb128 .LBB_END0_2-_Z7doStuffi.__part.2 # length 320 .byte 3 # DW_RLE_startx_length 321 .byte 2 # start index 322 .uleb128 .Lfunc_end0-.Lfunc_begin0 # length 323 .byte 3 # DW_RLE_startx_length 324 .byte 3 # start index 325 .uleb128 .Lfunc_end1-.Lfunc_begin1 # length 326 .byte 0 # DW_RLE_end_of_list 327.Ldebug_list_header_end0: 328 .section .debug_str_offsets,"",@progbits 329 .long 48 # Length of String Offsets Set 330 .short 5 331 .short 0 332.Lstr_offsets_base0: 333 .section .debug_str,"MS",@progbits,1 334.Linfo_string0: 335 .asciz "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" # string offset=0 336.Linfo_string1: 337 .asciz "main.cpp" # string offset=105 338.Linfo_string2: 339 .asciz "/subprogramRanges" # string offset=114 340.Linfo_string3: 341 .asciz "_Z7doStuffi" # string offset=169 342.Linfo_string4: 343 .asciz "doStuff" # string offset=181 344.Linfo_string5: 345 .asciz "int" # string offset=189 346.Linfo_string6: 347 .asciz "main" # string offset=193 348.Linfo_string7: 349 .asciz "val" # string offset=198 350.Linfo_string8: 351 .asciz "argc" # string offset=202 352.Linfo_string9: 353 .asciz "argv" # string offset=207 354.Linfo_string10: 355 .asciz "char" # string offset=212 356 .section .debug_str_offsets,"",@progbits 357 .long .Linfo_string0 358 .long .Linfo_string1 359 .long .Linfo_string2 360 .long .Linfo_string3 361 .long .Linfo_string4 362 .long .Linfo_string5 363 .long .Linfo_string6 364 .long .Linfo_string7 365 .long .Linfo_string8 366 .long .Linfo_string9 367 .long .Linfo_string10 368 .section .debug_addr,"",@progbits 369 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 370.Ldebug_addr_start0: 371 .short 5 # DWARF version number 372 .byte 8 # Address size 373 .byte 0 # Segment selector size 374.Laddr_table_base0: 375 .quad _Z7doStuffi.__part.1 376 .quad _Z7doStuffi.__part.2 377 .quad .Lfunc_begin0 378 .quad .Lfunc_begin1 379.Ldebug_addr_end0: 380 .ident "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" 381 .section ".note.GNU-stack","",@progbits 382 .addrsig 383 .addrsig_sym _Z7doStuffi 384 .section .debug_line,"",@progbits 385.Lline_table_start0: 386