1# REQUIRES: system-linux 2 3# RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o 4# RUN: %clang %cflags -dwarf-4 %t1.o -o %t.exe -Wl,-q 5# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections -v 1 &> %tlog.txt 6# RUN: cat %tlog.txt | FileCheck --check-prefix=CHECKBOLT %s 7# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=CHECK %s 8 9## Tests BOLT does not assert when DIE reference is invalid. 10 11# CHECKBOLT: Referenced DIE offsets not in .debug_info 12# CHECKBOLT-NEXT: 91 13# CHECK: DW_TAG_variable 14# CHECK-NEXT: DW_AT_name 15# CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0091 => {0x00000091}) 16 17# Assembly manually modified 18# struct pair {int i; int j; }; 19# static pair p; 20# int load() { 21# return p.i + p.j; 22# } 23# void store(int i, int j) { 24# p.i = i; 25# p.j = j; 26# } 27# int main() { 28# return 0; 29# } 30 31 .text 32 .file "main.cpp" 33 .file 1 "/invalidWithin" "main.cpp" 34 .section .text._Z4loadv,"ax",@progbits 35 .globl _Z4loadv # -- Begin function _Z4loadv 36 .p2align 4, 0x90 37 .type _Z4loadv,@function 38_Z4loadv: # @_Z4loadv 39.Lfunc_begin0: 40 .cfi_startproc 41# %bb.0: # %entry 42 .loc 1 4 20 prologue_end # main.cpp:4:20 43 movl _ZL1p.1(%rip), %eax 44 .loc 1 4 16 is_stmt 0 # main.cpp:4:16 45 addl _ZL1p.0(%rip), %eax 46 .loc 1 4 5 # main.cpp:4:5 47 retq 48.Ltmp0: 49.Lfunc_end0: 50 .size _Z4loadv, .Lfunc_end0-_Z4loadv 51 .cfi_endproc 52 # -- End function 53 .section .text._Z5storeii,"ax",@progbits 54 .globl _Z5storeii # -- Begin function _Z5storeii 55 .p2align 4, 0x90 56 .type _Z5storeii,@function 57_Z5storeii: # @_Z5storeii 58.Lfunc_begin1: 59 .cfi_startproc 60# %bb.0: # %entry 61 #DEBUG_VALUE: store:i <- $edi 62 #DEBUG_VALUE: store:j <- $esi 63 .loc 1 7 9 prologue_end is_stmt 1 # main.cpp:7:9 64 movl %edi, _ZL1p.0(%rip) 65 .loc 1 8 9 # main.cpp:8:9 66 movl %esi, _ZL1p.1(%rip) 67 .loc 1 9 1 # main.cpp:9:1 68 retq 69.Ltmp1: 70.Lfunc_end1: 71 .size _Z5storeii, .Lfunc_end1-_Z5storeii 72 .cfi_endproc 73 # -- End function 74 .section .text.main,"ax",@progbits 75 .globl main # -- Begin function main 76 .p2align 4, 0x90 77 .type main,@function 78main: # @main 79.Lfunc_begin2: 80 .cfi_startproc 81# %bb.0: # %entry 82 .loc 1 11 1 prologue_end # main.cpp:11:1 83 xorl %eax, %eax 84 retq 85.Ltmp2: 86.Lfunc_end2: 87 .size main, .Lfunc_end2-main 88 .cfi_endproc 89 # -- End function 90 .type _ZL1p.0,@object # @_ZL1p.0 91 .local _ZL1p.0 92 .comm _ZL1p.0,4,4 93 .type _ZL1p.1,@object # @_ZL1p.1 94 .local _ZL1p.1 95 .comm _ZL1p.1,4,4 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 14 # DW_FORM_strp 102 .byte 19 # DW_AT_language 103 .byte 5 # DW_FORM_data2 104 .byte 3 # DW_AT_name 105 .byte 14 # DW_FORM_strp 106 .byte 16 # DW_AT_stmt_list 107 .byte 23 # DW_FORM_sec_offset 108 .byte 27 # DW_AT_comp_dir 109 .byte 14 # DW_FORM_strp 110 .byte 17 # DW_AT_low_pc 111 .byte 1 # DW_FORM_addr 112 .byte 85 # DW_AT_ranges 113 .byte 23 # DW_FORM_sec_offset 114 .byte 0 # EOM(1) 115 .byte 0 # EOM(2) 116 .byte 2 # Abbreviation Code 117 .byte 52 # DW_TAG_variable 118 .byte 0 # DW_CHILDREN_no 119 .byte 3 # DW_AT_name 120 .byte 14 # DW_FORM_strp 121 .byte 73 # DW_AT_type 122 .byte 19 # DW_FORM_ref4 123 .byte 58 # DW_AT_decl_file 124 .byte 11 # DW_FORM_data1 125 .byte 59 # DW_AT_decl_line 126 .byte 11 # DW_FORM_data1 127 .byte 2 # DW_AT_location 128 .byte 24 # DW_FORM_exprloc 129 .byte 110 # DW_AT_linkage_name 130 .byte 14 # DW_FORM_strp 131 .byte 0 # EOM(1) 132 .byte 0 # EOM(2) 133 .byte 3 # Abbreviation Code 134 .byte 19 # DW_TAG_structure_type 135 .byte 1 # DW_CHILDREN_yes 136 .byte 54 # DW_AT_calling_convention 137 .byte 11 # DW_FORM_data1 138 .byte 3 # DW_AT_name 139 .byte 14 # DW_FORM_strp 140 .byte 11 # DW_AT_byte_size 141 .byte 11 # DW_FORM_data1 142 .byte 58 # DW_AT_decl_file 143 .byte 11 # DW_FORM_data1 144 .byte 59 # DW_AT_decl_line 145 .byte 11 # DW_FORM_data1 146 .byte 0 # EOM(1) 147 .byte 0 # EOM(2) 148 .byte 4 # Abbreviation Code 149 .byte 13 # DW_TAG_member 150 .byte 0 # DW_CHILDREN_no 151 .byte 3 # DW_AT_name 152 .byte 14 # DW_FORM_strp 153 .byte 73 # DW_AT_type 154 .byte 19 # DW_FORM_ref4 155 .byte 58 # DW_AT_decl_file 156 .byte 11 # DW_FORM_data1 157 .byte 59 # DW_AT_decl_line 158 .byte 11 # DW_FORM_data1 159 .byte 56 # DW_AT_data_member_location 160 .byte 11 # DW_FORM_data1 161 .byte 0 # EOM(1) 162 .byte 0 # EOM(2) 163 .byte 5 # Abbreviation Code 164 .byte 36 # DW_TAG_base_type 165 .byte 0 # DW_CHILDREN_no 166 .byte 3 # DW_AT_name 167 .byte 14 # DW_FORM_strp 168 .byte 62 # DW_AT_encoding 169 .byte 11 # DW_FORM_data1 170 .byte 11 # DW_AT_byte_size 171 .byte 11 # DW_FORM_data1 172 .byte 0 # EOM(1) 173 .byte 0 # EOM(2) 174 .byte 6 # Abbreviation Code 175 .byte 46 # DW_TAG_subprogram 176 .byte 0 # DW_CHILDREN_no 177 .byte 17 # DW_AT_low_pc 178 .byte 1 # DW_FORM_addr 179 .byte 18 # DW_AT_high_pc 180 .byte 6 # DW_FORM_data4 181 .byte 64 # DW_AT_frame_base 182 .byte 24 # DW_FORM_exprloc 183 .ascii "\227B" # DW_AT_GNU_all_call_sites 184 .byte 25 # DW_FORM_flag_present 185 .byte 110 # DW_AT_linkage_name 186 .byte 14 # DW_FORM_strp 187 .byte 3 # DW_AT_name 188 .byte 14 # DW_FORM_strp 189 .byte 58 # DW_AT_decl_file 190 .byte 11 # DW_FORM_data1 191 .byte 59 # DW_AT_decl_line 192 .byte 11 # DW_FORM_data1 193 .byte 73 # DW_AT_type 194 .byte 19 # DW_FORM_ref4 195 .byte 63 # DW_AT_external 196 .byte 25 # DW_FORM_flag_present 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 17 # DW_AT_low_pc 203 .byte 1 # DW_FORM_addr 204 .byte 18 # DW_AT_high_pc 205 .byte 6 # DW_FORM_data4 206 .byte 64 # DW_AT_frame_base 207 .byte 24 # DW_FORM_exprloc 208 .ascii "\227B" # DW_AT_GNU_all_call_sites 209 .byte 25 # DW_FORM_flag_present 210 .byte 110 # DW_AT_linkage_name 211 .byte 14 # DW_FORM_strp 212 .byte 3 # DW_AT_name 213 .byte 14 # DW_FORM_strp 214 .byte 58 # DW_AT_decl_file 215 .byte 11 # DW_FORM_data1 216 .byte 59 # DW_AT_decl_line 217 .byte 11 # DW_FORM_data1 218 .byte 63 # DW_AT_external 219 .byte 25 # DW_FORM_flag_present 220 .byte 0 # EOM(1) 221 .byte 0 # EOM(2) 222 .byte 8 # Abbreviation Code 223 .byte 5 # DW_TAG_formal_parameter 224 .byte 0 # DW_CHILDREN_no 225 .byte 2 # DW_AT_location 226 .byte 24 # DW_FORM_exprloc 227 .byte 3 # DW_AT_name 228 .byte 14 # DW_FORM_strp 229 .byte 58 # DW_AT_decl_file 230 .byte 11 # DW_FORM_data1 231 .byte 59 # DW_AT_decl_line 232 .byte 11 # DW_FORM_data1 233 .byte 73 # DW_AT_type 234 .byte 19 # DW_FORM_ref4 235 .byte 0 # EOM(1) 236 .byte 0 # EOM(2) 237 .byte 9 # Abbreviation Code 238 .byte 46 # DW_TAG_subprogram 239 .byte 0 # DW_CHILDREN_no 240 .byte 17 # DW_AT_low_pc 241 .byte 1 # DW_FORM_addr 242 .byte 18 # DW_AT_high_pc 243 .byte 6 # DW_FORM_data4 244 .byte 64 # DW_AT_frame_base 245 .byte 24 # DW_FORM_exprloc 246 .ascii "\227B" # DW_AT_GNU_all_call_sites 247 .byte 25 # DW_FORM_flag_present 248 .byte 3 # DW_AT_name 249 .byte 14 # DW_FORM_strp 250 .byte 58 # DW_AT_decl_file 251 .byte 11 # DW_FORM_data1 252 .byte 59 # DW_AT_decl_line 253 .byte 11 # DW_FORM_data1 254 .byte 73 # DW_AT_type 255 .byte 19 # DW_FORM_ref4 256 .byte 63 # DW_AT_external 257 .byte 25 # DW_FORM_flag_present 258 .byte 0 # EOM(1) 259 .byte 0 # EOM(2) 260 .byte 0 # EOM(3) 261 .section .debug_info,"",@progbits 262.Lcu_begin0: 263 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 264.Ldebug_info_start0: 265 .short 4 # DWARF version number 266 .long .debug_abbrev # Offset Into Abbrev. Section 267 .byte 8 # Address Size (in bytes) 268 .byte 1 # Abbrev [1] 0xb:0xd9 DW_TAG_compile_unit 269 .long .Linfo_string0 # DW_AT_producer 270 .short 33 # DW_AT_language 271 .long .Linfo_string1 # DW_AT_name 272 .long .Lline_table_start0 # DW_AT_stmt_list 273 .long .Linfo_string2 # DW_AT_comp_dir 274 .quad 0 # DW_AT_low_pc 275 .long .Ldebug_ranges0 # DW_AT_ranges 276 .byte 2 # Abbrev [2] 0x2a:0x26 DW_TAG_variable 277 .long .Linfo_string3 # DW_AT_name 278 .long 145 # DW_AT_type --> Modified manually s/80/145 279 .byte 1 # DW_AT_decl_file 280 .byte 2 # DW_AT_decl_line 281 .byte 22 # DW_AT_location 282 .byte 3 283 .quad _ZL1p.0 284 .byte 147 285 .byte 4 286 .byte 3 287 .quad _ZL1p.1 288 .byte 147 289 .byte 4 290 .long .Linfo_string8 # DW_AT_linkage_name 291 .byte 3 # Abbrev [3] 0x50:0x22 DW_TAG_structure_type 292 .byte 5 # DW_AT_calling_convention 293 .long .Linfo_string7 # DW_AT_name 294 .byte 8 # DW_AT_byte_size 295 .byte 1 # DW_AT_decl_file 296 .byte 1 # DW_AT_decl_line 297 .byte 4 # Abbrev [4] 0x59:0xc DW_TAG_member 298 .long .Linfo_string4 # DW_AT_name 299 .long 114 # DW_AT_type 300 .byte 1 # DW_AT_decl_file 301 .byte 1 # DW_AT_decl_line 302 .byte 0 # DW_AT_data_member_location 303 .byte 4 # Abbrev [4] 0x65:0xc DW_TAG_member 304 .long .Linfo_string6 # DW_AT_name 305 .long 114 # DW_AT_type 306 .byte 1 # DW_AT_decl_file 307 .byte 1 # DW_AT_decl_line 308 .byte 4 # DW_AT_data_member_location 309 .byte 0 # End Of Children Mark 310 .byte 5 # Abbrev [5] 0x72:0x7 DW_TAG_base_type 311 .long .Linfo_string5 # DW_AT_name 312 .byte 5 # DW_AT_encoding 313 .byte 4 # DW_AT_byte_size 314 .byte 6 # Abbrev [6] 0x79:0x1d DW_TAG_subprogram 315 .quad .Lfunc_begin0 # DW_AT_low_pc 316 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 317 .byte 1 # DW_AT_frame_base 318 .byte 87 319 # DW_AT_GNU_all_call_sites 320 .long .Linfo_string9 # DW_AT_linkage_name 321 .long .Linfo_string10 # DW_AT_name 322 .byte 1 # DW_AT_decl_file 323 .byte 3 # DW_AT_decl_line 324 .long 114 # DW_AT_type 325 # DW_AT_external 326 .byte 7 # Abbrev [7] 0x96:0x34 DW_TAG_subprogram 327 .quad .Lfunc_begin1 # DW_AT_low_pc 328 .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc 329 .byte 1 # DW_AT_frame_base 330 .byte 87 331 # DW_AT_GNU_all_call_sites 332 .long .Linfo_string11 # DW_AT_linkage_name 333 .long .Linfo_string12 # DW_AT_name 334 .byte 1 # DW_AT_decl_file 335 .byte 6 # DW_AT_decl_line 336 # DW_AT_external 337 .byte 8 # Abbrev [8] 0xaf:0xd DW_TAG_formal_parameter 338 .byte 1 # DW_AT_location 339 .byte 85 340 .long .Linfo_string4 # DW_AT_name 341 .byte 1 # DW_AT_decl_file 342 .byte 6 # DW_AT_decl_line 343 .long 114 # DW_AT_type 344 .byte 8 # Abbrev [8] 0xbc:0xd DW_TAG_formal_parameter 345 .byte 1 # DW_AT_location 346 .byte 84 347 .long .Linfo_string6 # DW_AT_name 348 .byte 1 # DW_AT_decl_file 349 .byte 6 # DW_AT_decl_line 350 .long 114 # DW_AT_type 351 .byte 0 # End Of Children Mark 352 .byte 9 # Abbrev [9] 0xca:0x19 DW_TAG_subprogram 353 .quad .Lfunc_begin2 # DW_AT_low_pc 354 .long .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc 355 .byte 1 # DW_AT_frame_base 356 .byte 87 357 # DW_AT_GNU_all_call_sites 358 .long .Linfo_string13 # DW_AT_name 359 .byte 1 # DW_AT_decl_file 360 .byte 10 # DW_AT_decl_line 361 .long 114 # DW_AT_type 362 # DW_AT_external 363 .byte 0 # End Of Children Mark 364.Ldebug_info_end0: 365 .section .debug_ranges,"",@progbits 366.Ldebug_ranges0: 367 .quad .Lfunc_begin0 368 .quad .Lfunc_end0 369 .quad .Lfunc_begin1 370 .quad .Lfunc_end1 371 .quad .Lfunc_begin2 372 .quad .Lfunc_end2 373 .quad 0 374 .quad 0 375 .section .debug_str,"MS",@progbits,1 376.Linfo_string0: 377 .asciz "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 37d6c1cc7d4dd3a8a47ba62254bc88521bd50d66)" # string offset=0 378.Linfo_string1: 379 .asciz "main.cpp" # string offset=101 380.Linfo_string2: 381 .asciz "/invalidWithin" # string offset=110 382.Linfo_string3: 383 .asciz "p" # string offset=162 384.Linfo_string4: 385 .asciz "i" # string offset=164 386.Linfo_string5: 387 .asciz "int" # string offset=166 388.Linfo_string6: 389 .asciz "j" # string offset=170 390.Linfo_string7: 391 .asciz "pair" # string offset=172 392.Linfo_string8: 393 .asciz "_ZL1p" # string offset=177 394.Linfo_string9: 395 .asciz "_Z4loadv" # string offset=183 396.Linfo_string10: 397 .asciz "load" # string offset=192 398.Linfo_string11: 399 .asciz "_Z5storeii" # string offset=197 400.Linfo_string12: 401 .asciz "store" # string offset=208 402.Linfo_string13: 403 .asciz "main" # string offset=214 404 .ident "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 37d6c1cc7d4dd3a8a47ba62254bc88521bd50d66)" 405 .section ".note.GNU-stack","",@progbits 406 .addrsig 407 .section .debug_line,"",@progbits 408.Lline_table_start0: 409