1# clang++ -ffunction-sections -g2 -gdwarf-5 2# Manually modified to use ranges like what generates sometimes -fbasic-block-sections=all, 3# and changed start of range to 0. 4# int doStuff(int val) { 5# if (val) 6# ++val; 7# return val; 8# } 9# 10# int main(int argc, const char** argv) { 11# return doStuff(argc); 12# } 13 .text 14 .file "main.cpp" 15 .section .text._Z7doStuffi,"ax",@progbits 16 .globl _Z7doStuffi # -- Begin function _Z7doStuffi 17 .p2align 4, 0x90 18 .type _Z7doStuffi,@function 19_Z7doStuffi: # @_Z7doStuffi 20.Lfunc_begin0: 21 .file 0 "/subprogramRanges" "main.cpp" md5 0x45fd34ef778739dca24be206894f1d15 22 .loc 0 1 0 # main.cpp:1:0 23 .cfi_startproc 24# %bb.0: # %entry 25 pushq %rbp 26 .cfi_def_cfa_offset 16 27 .cfi_offset %rbp, -16 28 movq %rsp, %rbp 29 .cfi_def_cfa_register %rbp 30 movl %edi, -4(%rbp) 31.Ltmp0: 32 .loc 0 2 7 prologue_end # main.cpp:2:7 33 cmpl $0, -4(%rbp) 34.Ltmp1: 35 .loc 0 2 7 is_stmt 0 # main.cpp:2:7 36 je .LBB0_2 37# %bb.1: # %if.then 38.Ltmp2: 39 .loc 0 3 5 is_stmt 1 # main.cpp:3:5 40 movl -4(%rbp), %eax 41 addl $1, %eax 42 movl %eax, -4(%rbp) 43.Ltmp3: 44.LBB0_2: # %if.end 45 .loc 0 4 10 # main.cpp:4:10 46 movl -4(%rbp), %eax 47 .loc 0 4 3 epilogue_begin is_stmt 0 # main.cpp:4:3 48 popq %rbp 49 .cfi_def_cfa %rsp, 8 50 retq 51.Ltmp4: 52.Lfunc_end0: 53 .size _Z7doStuffi, .Lfunc_end0-_Z7doStuffi 54 .cfi_endproc 55 # -- End function 56 .section .text.main,"ax",@progbits 57 .globl main # -- Begin function main 58 .p2align 4, 0x90 59 .type main,@function 60main: # @main 61.Lfunc_begin1: 62 .loc 0 7 0 is_stmt 1 # main.cpp:7:0 63 .cfi_startproc 64# %bb.0: # %entry 65 pushq %rbp 66 .cfi_def_cfa_offset 16 67 .cfi_offset %rbp, -16 68 movq %rsp, %rbp 69 .cfi_def_cfa_register %rbp 70 subq $16, %rsp 71 movl $0, -4(%rbp) 72 movl %edi, -8(%rbp) 73 movq %rsi, -16(%rbp) 74.Ltmp5: 75 .loc 0 8 21 prologue_end # main.cpp:8:21 76 movl -8(%rbp), %edi 77 .loc 0 8 13 is_stmt 0 # main.cpp:8:13 78 callq _Z7doStuffi 79 .loc 0 8 5 epilogue_begin # main.cpp:8:5 80 addq $16, %rsp 81 popq %rbp 82 .cfi_def_cfa %rsp, 8 83 retq 84.Ltmp6: 85.Lfunc_end1: 86 .size main, .Lfunc_end1-main 87 .cfi_endproc 88 # -- End function 89 .section .debug_abbrev,"",@progbits 90 .byte 1 # Abbreviation Code 91 .byte 17 # DW_TAG_compile_unit 92 .byte 1 # DW_CHILDREN_yes 93 .byte 37 # DW_AT_producer 94 .byte 37 # DW_FORM_strx1 95 .byte 19 # DW_AT_language 96 .byte 5 # DW_FORM_data2 97 .byte 3 # DW_AT_name 98 .byte 37 # DW_FORM_strx1 99 .byte 114 # DW_AT_str_offsets_base 100 .byte 23 # DW_FORM_sec_offset 101 .byte 16 # DW_AT_stmt_list 102 .byte 23 # DW_FORM_sec_offset 103 .byte 27 # DW_AT_comp_dir 104 .byte 37 # DW_FORM_strx1 105 .byte 17 # DW_AT_low_pc 106 .byte 1 # DW_FORM_addr 107 .byte 85 # DW_AT_ranges 108 .byte 35 # DW_FORM_rnglistx 109 .byte 115 # DW_AT_addr_base 110 .byte 23 # DW_FORM_sec_offset 111 .byte 116 # DW_AT_rnglists_base 112 .byte 23 # DW_FORM_sec_offset 113 .byte 0 # EOM(1) 114 .byte 0 # EOM(2) 115 .byte 2 # Abbreviation Code 116 .byte 46 # DW_TAG_subprogram 117 .byte 1 # DW_CHILDREN_yes 118 .byte 85 # DW_AT_ranges 119 .byte 35 # DW_FORM_rnglistx 120 .byte 64 # DW_AT_frame_base 121 .byte 24 # DW_FORM_exprloc 122 .byte 110 # DW_AT_linkage_name 123 .byte 37 # DW_FORM_strx1 124 .byte 3 # DW_AT_name 125 .byte 37 # DW_FORM_strx1 126 .byte 58 # DW_AT_decl_file 127 .byte 11 # DW_FORM_data1 128 .byte 59 # DW_AT_decl_line 129 .byte 11 # DW_FORM_data1 130 .byte 73 # DW_AT_type 131 .byte 19 # DW_FORM_ref4 132 .byte 63 # DW_AT_external 133 .byte 25 # DW_FORM_flag_present 134 .byte 0 # EOM(1) 135 .byte 0 # EOM(2) 136 .byte 3 # Abbreviation Code 137 .byte 5 # DW_TAG_formal_parameter 138 .byte 0 # DW_CHILDREN_no 139 .byte 2 # DW_AT_location 140 .byte 24 # DW_FORM_exprloc 141 .byte 3 # DW_AT_name 142 .byte 37 # DW_FORM_strx1 143 .byte 58 # DW_AT_decl_file 144 .byte 11 # DW_FORM_data1 145 .byte 59 # DW_AT_decl_line 146 .byte 11 # DW_FORM_data1 147 .byte 73 # DW_AT_type 148 .byte 19 # DW_FORM_ref4 149 .byte 0 # EOM(1) 150 .byte 0 # EOM(2) 151 .byte 4 # Abbreviation Code 152 .byte 46 # DW_TAG_subprogram 153 .byte 1 # DW_CHILDREN_yes 154 .byte 17 # DW_AT_low_pc 155 .byte 27 # DW_FORM_addrx 156 .byte 18 # DW_AT_high_pc 157 .byte 6 # DW_FORM_data4 158 .byte 64 # DW_AT_frame_base 159 .byte 24 # DW_FORM_exprloc 160 .byte 3 # DW_AT_name 161 .byte 37 # DW_FORM_strx1 162 .byte 58 # DW_AT_decl_file 163 .byte 11 # DW_FORM_data1 164 .byte 59 # DW_AT_decl_line 165 .byte 11 # DW_FORM_data1 166 .byte 73 # DW_AT_type 167 .byte 19 # DW_FORM_ref4 168 .byte 63 # DW_AT_external 169 .byte 25 # DW_FORM_flag_present 170 .byte 0 # EOM(1) 171 .byte 0 # EOM(2) 172 .byte 5 # Abbreviation Code 173 .byte 36 # DW_TAG_base_type 174 .byte 0 # DW_CHILDREN_no 175 .byte 3 # DW_AT_name 176 .byte 37 # DW_FORM_strx1 177 .byte 62 # DW_AT_encoding 178 .byte 11 # DW_FORM_data1 179 .byte 11 # DW_AT_byte_size 180 .byte 11 # DW_FORM_data1 181 .byte 0 # EOM(1) 182 .byte 0 # EOM(2) 183 .byte 6 # Abbreviation Code 184 .byte 15 # DW_TAG_pointer_type 185 .byte 0 # DW_CHILDREN_no 186 .byte 73 # DW_AT_type 187 .byte 19 # DW_FORM_ref4 188 .byte 0 # EOM(1) 189 .byte 0 # EOM(2) 190 .byte 7 # Abbreviation Code 191 .byte 38 # DW_TAG_const_type 192 .byte 0 # DW_CHILDREN_no 193 .byte 73 # DW_AT_type 194 .byte 19 # DW_FORM_ref4 195 .byte 0 # EOM(1) 196 .byte 0 # EOM(2) 197 .byte 0 # EOM(3) 198 .section .debug_info,"",@progbits 199.Lcu_begin0: 200 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 201.Ldebug_info_start0: 202 .short 5 # DWARF version number 203 .byte 1 # DWARF Unit Type 204 .byte 8 # Address Size (in bytes) 205 .long .debug_abbrev # Offset Into Abbrev. Section 206 .byte 1 # Abbrev [1] 0xc:0x79 DW_TAG_compile_unit 207 .byte 0 # DW_AT_producer 208 .short 33 # DW_AT_language 209 .byte 1 # DW_AT_name 210 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 211 .long .Lline_table_start0 # DW_AT_stmt_list 212 .byte 2 # DW_AT_comp_dir 213 .quad 0 # DW_AT_low_pc 214 .byte 0 # DW_AT_ranges 215 .long .Laddr_table_base0 # DW_AT_addr_base 216 .long .Lrnglists_table_base0 # DW_AT_rnglists_base 217 .byte 2 # Abbrev [2] 0x2b:0x1c DW_TAG_subprogram 218 .byte 1 # DW_AT_ranges 219 .byte 1 # DW_AT_frame_base 220 .byte 86 221 .byte 3 # DW_AT_linkage_name 222 .byte 4 # DW_AT_name 223 .byte 0 # DW_AT_decl_file 224 .byte 1 # DW_AT_decl_line 225 .long 109 # DW_AT_type 226 # DW_AT_external 227 .byte 3 # Abbrev [3] 0x3b:0xb DW_TAG_formal_parameter 228 .byte 2 # DW_AT_location 229 .byte 145 230 .byte 124 231 .byte 7 # DW_AT_name 232 .byte 0 # DW_AT_decl_file 233 .byte 1 # DW_AT_decl_line 234 .long 109 # DW_AT_type 235 .byte 0 # End Of Children Mark 236 .byte 4 # Abbrev [4] 0x47:0x26 DW_TAG_subprogram 237 .byte 1 # DW_AT_low_pc 238 .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc 239 .byte 1 # DW_AT_frame_base 240 .byte 86 241 .byte 6 # DW_AT_name 242 .byte 0 # DW_AT_decl_file 243 .byte 7 # DW_AT_decl_line 244 .long 109 # DW_AT_type 245 # DW_AT_external 246 .byte 3 # Abbrev [3] 0x56:0xb DW_TAG_formal_parameter 247 .byte 2 # DW_AT_location 248 .byte 145 249 .byte 120 250 .byte 8 # DW_AT_name 251 .byte 0 # DW_AT_decl_file 252 .byte 7 # DW_AT_decl_line 253 .long 109 # DW_AT_type 254 .byte 3 # Abbrev [3] 0x61:0xb DW_TAG_formal_parameter 255 .byte 2 # DW_AT_location 256 .byte 145 257 .byte 112 258 .byte 9 # DW_AT_name 259 .byte 0 # DW_AT_decl_file 260 .byte 7 # DW_AT_decl_line 261 .long 105 # DW_AT_type 262 .byte 0 # End Of Children Mark 263 .byte 5 # Abbrev [5] 0x6d:0x4 DW_TAG_base_type 264 .byte 5 # DW_AT_name 265 .byte 5 # DW_AT_encoding 266 .byte 4 # DW_AT_byte_size 267 .byte 6 # Abbrev [6] 0x71:0x5 DW_TAG_pointer_type 268 .long 114 # DW_AT_type 269 .byte 6 # Abbrev [6] 0x76:0x5 DW_TAG_pointer_type 270 .long 119 # DW_AT_type 271 .byte 7 # Abbrev [7] 0x7b:0x5 DW_TAG_const_type 272 .long 124 # DW_AT_type 273 .byte 5 # Abbrev [5] 0x80:0x4 DW_TAG_base_type 274 .byte 10 # DW_AT_name 275 .byte 6 # DW_AT_encoding 276 .byte 1 # DW_AT_byte_size 277 .byte 0 # End Of Children Mark 278.Ldebug_info_end0: 279 .section .debug_rnglists,"",@progbits 280 .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length 281.Ldebug_list_header_start0: 282 .short 5 # Version 283 .byte 8 # Address size 284 .byte 0 # Segment selector size 285 .long 1 # Offset entry count 286.Lrnglists_table_base0: 287 .long .Ldebug_ranges0-.Lrnglists_table_base0 288 .long .Ldebug_ranges1-.Lrnglists_table_base0 289.Ldebug_ranges0: 290 .byte 3 # DW_RLE_startx_length 291 .byte 0 # start index 292 .uleb128 .Lfunc_end0-.Lfunc_begin0 # length 293 .byte 3 # DW_RLE_startx_length 294 .byte 1 # start index 295 .uleb128 .Lfunc_end1-.Lfunc_begin1 # length 296 .byte 0 # DW_RLE_end_of_list 297.Ldebug_ranges1: 298 .byte 3 # DW_RLE_startx_length 299 .byte 2 # start index 300 .uleb128 .Lfunc_end0-.Lfunc_begin0 # length 301 .byte 0 # DW_RLE_end_of_list 302.Ldebug_list_header_end0: 303 .section .debug_str_offsets,"",@progbits 304 .long 48 # Length of String Offsets Set 305 .short 5 306 .short 0 307.Lstr_offsets_base0: 308 .section .debug_str,"MS",@progbits,1 309.Linfo_string0: 310 .asciz "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" # string offset=0 311.Linfo_string1: 312 .asciz "main.cpp" # string offset=105 313.Linfo_string2: 314 .asciz "/subprogramRanges" # string offset=114 315.Linfo_string3: 316 .asciz "_Z7doStuffi" # string offset=169 317.Linfo_string4: 318 .asciz "doStuff" # string offset=181 319.Linfo_string5: 320 .asciz "int" # string offset=189 321.Linfo_string6: 322 .asciz "main" # string offset=193 323.Linfo_string7: 324 .asciz "val" # string offset=198 325.Linfo_string8: 326 .asciz "argc" # string offset=202 327.Linfo_string9: 328 .asciz "argv" # string offset=207 329.Linfo_string10: 330 .asciz "char" # string offset=212 331 .section .debug_str_offsets,"",@progbits 332 .long .Linfo_string0 333 .long .Linfo_string1 334 .long .Linfo_string2 335 .long .Linfo_string3 336 .long .Linfo_string4 337 .long .Linfo_string5 338 .long .Linfo_string6 339 .long .Linfo_string7 340 .long .Linfo_string8 341 .long .Linfo_string9 342 .long .Linfo_string10 343 .section .debug_addr,"",@progbits 344 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 345.Ldebug_addr_start0: 346 .short 5 # DWARF version number 347 .byte 8 # Address size 348 .byte 0 # Segment selector size 349.Laddr_table_base0: 350 .quad .Lfunc_begin0 351 .quad .Lfunc_begin1 352 .quad 0x0 353.Ldebug_addr_end0: 354 .ident "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" 355 .section ".note.GNU-stack","",@progbits 356 .addrsig 357 .addrsig_sym _Z7doStuffi 358 .section .debug_line,"",@progbits 359.Lline_table_start0: 360