1# clang++ main.cpp -g2 -O2 -S 2# int helper(int z_, int d_); 3# int x = 0; 4# int y = 1; 5# int main(int argc, char *argv[]) { 6# return helper(x, y); 7# } 8 9# This file was manually modified so that DW_AT_call_pc points to invalid address. 10 11 .text 12 .file "main.cpp" 13 .file 0 "." "main.cpp" md5 0xcd4b01475ec2d380058dc5a69f9dd741 14 .globl main # -- Begin function main 15 .p2align 4, 0x90 16 .type main,@function 17main: # @main 18.Lfunc_begin0: 19 .loc 0 4 0 # main.cpp:4:0 20 .cfi_startproc 21# %bb.0: # %entry 22 #DEBUG_VALUE: main:argc <- $edi 23 #DEBUG_VALUE: main:argv <- $rsi 24 .loc 0 5 17 prologue_end # main.cpp:5:17 25 movl x(%rip), %edi 26.Ltmp0: 27 #DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $edi 28 .loc 0 5 20 is_stmt 0 # main.cpp:5:20 29 movl y(%rip), %esi 30.Ltmp1: 31 #DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi 32 .loc 0 5 10 # main.cpp:5:10 33 jmp _Z6helperii@PLT # TAILCALL 34.Ltmp2: 35.Lfunc_end0: 36 .size main, .Lfunc_end0-main 37 .cfi_endproc 38 # -- End function 39 .type x,@object # @x 40 .bss 41 .globl x 42 .p2align 2 43x: 44 .long 0 # 0x0 45 .size x, 4 46 47 .type y,@object # @y 48 .data 49 .globl y 50 .p2align 2 51y: 52 .long 1 # 0x1 53 .size y, 4 54 55 .section .debug_loclists,"",@progbits 56 .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length 57.Ldebug_list_header_start0: 58 .short 5 # Version 59 .byte 8 # Address size 60 .byte 0 # Segment selector size 61 .long 2 # Offset entry count 62.Lloclists_table_base0: 63 .long .Ldebug_loc0-.Lloclists_table_base0 64 .long .Ldebug_loc1-.Lloclists_table_base0 65.Ldebug_loc0: 66 .byte 4 # DW_LLE_offset_pair 67 .uleb128 .Lfunc_begin0-.Lfunc_begin0 # starting offset 68 .uleb128 .Ltmp0-.Lfunc_begin0 # ending offset 69 .byte 1 # Loc expr size 70 .byte 85 # super-register DW_OP_reg5 71 .byte 4 # DW_LLE_offset_pair 72 .uleb128 .Ltmp0-.Lfunc_begin0 # starting offset 73 .uleb128 .Lfunc_end0-.Lfunc_begin0 # ending offset 74 .byte 4 # Loc expr size 75 .byte 163 # DW_OP_entry_value 76 .byte 1 # 1 77 .byte 85 # super-register DW_OP_reg5 78 .byte 159 # DW_OP_stack_value 79 .byte 0 # DW_LLE_end_of_list 80.Ldebug_loc1: 81 .byte 4 # DW_LLE_offset_pair 82 .uleb128 .Lfunc_begin0-.Lfunc_begin0 # starting offset 83 .uleb128 .Ltmp1-.Lfunc_begin0 # ending offset 84 .byte 1 # Loc expr size 85 .byte 84 # DW_OP_reg4 86 .byte 4 # DW_LLE_offset_pair 87 .uleb128 .Ltmp1-.Lfunc_begin0 # starting offset 88 .uleb128 .Lfunc_end0-.Lfunc_begin0 # ending offset 89 .byte 4 # Loc expr size 90 .byte 163 # DW_OP_entry_value 91 .byte 1 # 1 92 .byte 84 # DW_OP_reg4 93 .byte 159 # DW_OP_stack_value 94 .byte 0 # DW_LLE_end_of_list 95.Ldebug_list_header_end0: 96 .section .debug_abbrev,"",@progbits 97 .byte 1 # Abbreviation Code 98 .byte 17 # DW_TAG_compile_unit 99 .byte 1 # DW_CHILDREN_yes 100 .byte 37 # DW_AT_producer 101 .byte 37 # DW_FORM_strx1 102 .byte 19 # DW_AT_language 103 .byte 5 # DW_FORM_data2 104 .byte 3 # DW_AT_name 105 .byte 37 # DW_FORM_strx1 106 .byte 114 # DW_AT_str_offsets_base 107 .byte 23 # DW_FORM_sec_offset 108 .byte 16 # DW_AT_stmt_list 109 .byte 23 # DW_FORM_sec_offset 110 .byte 27 # DW_AT_comp_dir 111 .byte 37 # DW_FORM_strx1 112 .byte 17 # DW_AT_low_pc 113 .byte 27 # DW_FORM_addrx 114 .byte 18 # DW_AT_high_pc 115 .byte 6 # DW_FORM_data4 116 .byte 115 # DW_AT_addr_base 117 .byte 23 # DW_FORM_sec_offset 118 .ascii "\214\001" # DW_AT_loclists_base 119 .byte 23 # DW_FORM_sec_offset 120 .byte 0 # EOM(1) 121 .byte 0 # EOM(2) 122 .byte 2 # Abbreviation Code 123 .byte 52 # DW_TAG_variable 124 .byte 0 # DW_CHILDREN_no 125 .byte 3 # DW_AT_name 126 .byte 37 # DW_FORM_strx1 127 .byte 73 # DW_AT_type 128 .byte 19 # DW_FORM_ref4 129 .byte 63 # DW_AT_external 130 .byte 25 # DW_FORM_flag_present 131 .byte 58 # DW_AT_decl_file 132 .byte 11 # DW_FORM_data1 133 .byte 59 # DW_AT_decl_line 134 .byte 11 # DW_FORM_data1 135 .byte 2 # DW_AT_location 136 .byte 24 # DW_FORM_exprloc 137 .byte 0 # EOM(1) 138 .byte 0 # EOM(2) 139 .byte 3 # Abbreviation Code 140 .byte 36 # DW_TAG_base_type 141 .byte 0 # DW_CHILDREN_no 142 .byte 3 # DW_AT_name 143 .byte 37 # DW_FORM_strx1 144 .byte 62 # DW_AT_encoding 145 .byte 11 # DW_FORM_data1 146 .byte 11 # DW_AT_byte_size 147 .byte 11 # DW_FORM_data1 148 .byte 0 # EOM(1) 149 .byte 0 # EOM(2) 150 .byte 4 # Abbreviation Code 151 .byte 46 # DW_TAG_subprogram 152 .byte 1 # DW_CHILDREN_yes 153 .byte 17 # DW_AT_low_pc 154 .byte 27 # DW_FORM_addrx 155 .byte 18 # DW_AT_high_pc 156 .byte 6 # DW_FORM_data4 157 .byte 64 # DW_AT_frame_base 158 .byte 24 # DW_FORM_exprloc 159 .byte 122 # DW_AT_call_all_calls 160 .byte 25 # DW_FORM_flag_present 161 .byte 3 # DW_AT_name 162 .byte 37 # DW_FORM_strx1 163 .byte 58 # DW_AT_decl_file 164 .byte 11 # DW_FORM_data1 165 .byte 59 # DW_AT_decl_line 166 .byte 11 # DW_FORM_data1 167 .byte 73 # DW_AT_type 168 .byte 19 # DW_FORM_ref4 169 .byte 63 # DW_AT_external 170 .byte 25 # DW_FORM_flag_present 171 .byte 0 # EOM(1) 172 .byte 0 # EOM(2) 173 .byte 5 # Abbreviation Code 174 .byte 5 # DW_TAG_formal_parameter 175 .byte 0 # DW_CHILDREN_no 176 .byte 2 # DW_AT_location 177 .byte 34 # DW_FORM_loclistx 178 .byte 3 # DW_AT_name 179 .byte 37 # DW_FORM_strx1 180 .byte 58 # DW_AT_decl_file 181 .byte 11 # DW_FORM_data1 182 .byte 59 # DW_AT_decl_line 183 .byte 11 # DW_FORM_data1 184 .byte 73 # DW_AT_type 185 .byte 19 # DW_FORM_ref4 186 .byte 0 # EOM(1) 187 .byte 0 # EOM(2) 188 .byte 6 # Abbreviation Code 189 .byte 72 # DW_TAG_call_site 190 .byte 0 # DW_CHILDREN_no 191 .byte 127 # DW_AT_call_origin 192 .byte 19 # DW_FORM_ref4 193 .ascii "\202\001" # DW_AT_call_tail_call 194 .byte 25 # DW_FORM_flag_present 195 .ascii "\201\001" # DW_AT_call_pc 196 .byte 27 # DW_FORM_addrx 197 .byte 0 # EOM(1) 198 .byte 0 # EOM(2) 199 .byte 7 # Abbreviation Code 200 .byte 46 # DW_TAG_subprogram 201 .byte 1 # DW_CHILDREN_yes 202 .byte 110 # DW_AT_linkage_name 203 .byte 37 # DW_FORM_strx1 204 .byte 3 # DW_AT_name 205 .byte 37 # DW_FORM_strx1 206 .byte 58 # DW_AT_decl_file 207 .byte 11 # DW_FORM_data1 208 .byte 59 # DW_AT_decl_line 209 .byte 11 # DW_FORM_data1 210 .byte 73 # DW_AT_type 211 .byte 19 # DW_FORM_ref4 212 .byte 60 # DW_AT_declaration 213 .byte 25 # DW_FORM_flag_present 214 .byte 63 # DW_AT_external 215 .byte 25 # DW_FORM_flag_present 216 .byte 0 # EOM(1) 217 .byte 0 # EOM(2) 218 .byte 8 # Abbreviation Code 219 .byte 5 # DW_TAG_formal_parameter 220 .byte 0 # DW_CHILDREN_no 221 .byte 73 # DW_AT_type 222 .byte 19 # DW_FORM_ref4 223 .byte 0 # EOM(1) 224 .byte 0 # EOM(2) 225 .byte 9 # Abbreviation Code 226 .byte 15 # DW_TAG_pointer_type 227 .byte 0 # DW_CHILDREN_no 228 .byte 73 # DW_AT_type 229 .byte 19 # DW_FORM_ref4 230 .byte 0 # EOM(1) 231 .byte 0 # EOM(2) 232 .byte 0 # EOM(3) 233 .section .debug_info,"",@progbits 234.Lcu_begin0: 235 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 236.Ldebug_info_start0: 237 .short 5 # DWARF version number 238 .byte 1 # DWARF Unit Type 239 .byte 8 # Address Size (in bytes) 240 .long .debug_abbrev # Offset Into Abbrev. Section 241 .byte 1 # Abbrev [1] 0xc:0x80 DW_TAG_compile_unit 242 .byte 0 # DW_AT_producer 243 .short 33 # DW_AT_language 244 .byte 1 # DW_AT_name 245 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 246 .long .Lline_table_start0 # DW_AT_stmt_list 247 .byte 2 # DW_AT_comp_dir 248 .byte 2 # DW_AT_low_pc 249 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 250 .long .Laddr_table_base0 # DW_AT_addr_base 251 .long .Lloclists_table_base0 # DW_AT_loclists_base 252 .byte 2 # Abbrev [2] 0x27:0xb DW_TAG_variable 253 .byte 3 # DW_AT_name 254 .long 50 # DW_AT_type 255 # DW_AT_external 256 .byte 0 # DW_AT_decl_file 257 .byte 2 # DW_AT_decl_line 258 .byte 2 # DW_AT_location 259 .byte 161 260 .byte 0 261 .byte 3 # Abbrev [3] 0x32:0x4 DW_TAG_base_type 262 .byte 4 # DW_AT_name 263 .byte 5 # DW_AT_encoding 264 .byte 4 # DW_AT_byte_size 265 .byte 2 # Abbrev [2] 0x36:0xb DW_TAG_variable 266 .byte 5 # DW_AT_name 267 .long 50 # DW_AT_type 268 # DW_AT_external 269 .byte 0 # DW_AT_decl_file 270 .byte 3 # DW_AT_decl_line 271 .byte 2 # DW_AT_location 272 .byte 161 273 .byte 1 274 .byte 4 # Abbrev [4] 0x41:0x28 DW_TAG_subprogram 275 .byte 2 # DW_AT_low_pc 276 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 277 .byte 1 # DW_AT_frame_base 278 .byte 87 279 # DW_AT_call_all_calls 280 .byte 8 # DW_AT_name 281 .byte 0 # DW_AT_decl_file 282 .byte 4 # DW_AT_decl_line 283 .long 50 # DW_AT_type 284 # DW_AT_external 285 .byte 5 # Abbrev [5] 0x50:0x9 DW_TAG_formal_parameter 286 .byte 0 # DW_AT_location 287 .byte 9 # DW_AT_name 288 .byte 0 # DW_AT_decl_file 289 .byte 4 # DW_AT_decl_line 290 .long 50 # DW_AT_type 291 .byte 5 # Abbrev [5] 0x59:0x9 DW_TAG_formal_parameter 292 .byte 1 # DW_AT_location 293 .byte 10 # DW_AT_name 294 .byte 0 # DW_AT_decl_file 295 .byte 4 # DW_AT_decl_line 296 .long 125 # DW_AT_type 297 .byte 6 # Abbrev [6] 0x62:0x6 DW_TAG_call_site 298 .long 105 # DW_AT_call_origin 299 # DW_AT_call_tail_call 300 .byte 3 # DW_AT_call_pc 301 .byte 0 # End Of Children Mark 302 .byte 7 # Abbrev [7] 0x69:0x14 DW_TAG_subprogram 303 .byte 6 # DW_AT_linkage_name 304 .byte 7 # DW_AT_name 305 .byte 0 # DW_AT_decl_file 306 .byte 1 # DW_AT_decl_line 307 .long 50 # DW_AT_type 308 # DW_AT_declaration 309 # DW_AT_external 310 .byte 8 # Abbrev [8] 0x72:0x5 DW_TAG_formal_parameter 311 .long 50 # DW_AT_type 312 .byte 8 # Abbrev [8] 0x77:0x5 DW_TAG_formal_parameter 313 .long 50 # DW_AT_type 314 .byte 0 # End Of Children Mark 315 .byte 9 # Abbrev [9] 0x7d:0x5 DW_TAG_pointer_type 316 .long 130 # DW_AT_type 317 .byte 9 # Abbrev [9] 0x82:0x5 DW_TAG_pointer_type 318 .long 135 # DW_AT_type 319 .byte 3 # Abbrev [3] 0x87:0x4 DW_TAG_base_type 320 .byte 11 # DW_AT_name 321 .byte 6 # DW_AT_encoding 322 .byte 1 # DW_AT_byte_size 323 .byte 0 # End Of Children Mark 324.Ldebug_info_end0: 325 .section .debug_str_offsets,"",@progbits 326 .long 52 # Length of String Offsets Set 327 .short 5 328 .short 0 329.Lstr_offsets_base0: 330 .section .debug_str,"MS",@progbits,1 331.Linfo_string0: 332 .asciz "clang version 16.0.0" # string offset=0 333.Linfo_string1: 334 .asciz "main.cpp" # string offset=134 335.Linfo_string2: 336 .asciz "." # string offset=143 337.Linfo_string3: 338 .asciz "x" # string offset=196 339.Linfo_string4: 340 .asciz "int" # string offset=198 341.Linfo_string5: 342 .asciz "y" # string offset=202 343.Linfo_string6: 344 .asciz "_Z6helperii" # string offset=204 345.Linfo_string7: 346 .asciz "helper" # string offset=216 347.Linfo_string8: 348 .asciz "main" # string offset=223 349.Linfo_string9: 350 .asciz "argc" # string offset=228 351.Linfo_string10: 352 .asciz "argv" # string offset=233 353.Linfo_string11: 354 .asciz "char" # string offset=238 355 .section .debug_str_offsets,"",@progbits 356 .long .Linfo_string0 357 .long .Linfo_string1 358 .long .Linfo_string2 359 .long .Linfo_string3 360 .long .Linfo_string4 361 .long .Linfo_string5 362 .long .Linfo_string6 363 .long .Linfo_string7 364 .long .Linfo_string8 365 .long .Linfo_string9 366 .long .Linfo_string10 367 .long .Linfo_string11 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 x 376 .quad y 377 .quad .Lfunc_begin0 378 .quad .Ltmp1 + 0x1000000 # Manually modified to add 0x1000000 379.Ldebug_addr_end0: 380 .ident "clang version 16.0.0" 381 .section ".note.GNU-stack","",@progbits 382 .addrsig 383 .section .debug_line,"",@progbits 384.Lline_table_start0: 385