1# REQUIRES: system-linux 2 3# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o 4# RUN: %clang %cflags -dwarf-5 %t1.o -o %t.exe -Wl,-q 5# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections 6# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s 7# RUN: llvm-dwarfdump --show-form --verbose --debug-addr %t.bolt > %t.txt 8# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt >> %t.txt 9# RUN: cat %t.txt | FileCheck --check-prefix=POSTCHECK %s 10 11## This tests checks that re-writing of .debug_loclists is handled correctly. 12 13# PRECHECK: version = 0x0005 14# PRECHECK: DW_AT_loclists_base [DW_FORM_sec_offset] (0x0000000c) 15# PRECHECK-EMPTY: 16# PRECHECK: DW_TAG_variable 17# PRECHECK: DW_AT_location [DW_FORM_loclistx] 18# PRECHECK-SAME: indexed (0x0) 19# PRECHECK-SAME: loclist = 0x00000010 20 21# POSTCHECK: Addrs: [ 22# POSTCHECK-NEXT: 0x 23# POSTCHECK-NEXT: 0x 24# POSTCHECK-NEXT: 0x[[#%.16x,ADDR:]] 25# POSTCHECK: version = 0x0005 26# POSTCHECK: DW_AT_loclists_base [DW_FORM_sec_offset] (0x0000000c) 27# POSTCHECK: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000c) 28# POSTCHECK: DW_TAG_variable 29# POSTCHECK: DW_AT_location [DW_FORM_loclistx] 30# POSTCHECK-SAME: indexed (0x0) 31# POSTCHECK-SAME: loclist = 0x00000010 32# POSTCHECK-NEXT: [0x[[#ADDR]] 33# POSTCHECK-SAME: 0x[[#ADDR + 0x3]] 34# POSTCHECK-NEXT: [0x[[#ADDR + 0x3]] 35# POSTCHECK-SAME: 0x[[#ADDR + 0x4]] 36 37# clang++ main.cpp -g -O2 -S 38# void use(int * x) { 39# *x += 4; 40# } 41# 42# int main(int argc, char *argv[]) { 43# int x = argc; 44# use(&x); 45# return x; 46# } 47 48 .text 49 .file "main.cpp" 50 .globl _Z3usePi # -- Begin function _Z3usePi 51 .p2align 4, 0x90 52 .type _Z3usePi,@function 53_Z3usePi: # @_Z3usePi 54.Lfunc_begin0: 55 .file 0 "testLocList" "main.cpp" md5 0x95a77c95663d823a6228bf928825e8c7 56 .loc 0 1 0 # main.cpp:1:0 57 .cfi_startproc 58# %bb.0: # %entry 59 #DEBUG_VALUE: use:x <- $rdi 60 .loc 0 2 4 prologue_end # main.cpp:2:4 61 addl $4, (%rdi) 62 .loc 0 3 1 # main.cpp:3:1 63 retq 64.Ltmp0: 65.Lfunc_end0: 66 .size _Z3usePi, .Lfunc_end0-_Z3usePi 67 .cfi_endproc 68 # -- End function 69 .globl main # -- Begin function main 70 .p2align 4, 0x90 71 .type main,@function 72main: # @main 73.Lfunc_begin1: 74 .loc 0 5 0 # main.cpp:5:0 75 .cfi_startproc 76# %bb.0: # %entry 77 #DEBUG_VALUE: main:argc <- $edi 78 #DEBUG_VALUE: main:argv <- $rsi 79 #DEBUG_VALUE: main:x <- $edi 80 # kill: def $edi killed $edi def $rdi 81 #DEBUG_VALUE: use:x <- undef 82 .loc 0 2 4 prologue_end # main.cpp:2:4 83 leal 4(%rdi), %eax 84.Ltmp1: 85 #DEBUG_VALUE: main:x <- $eax 86 .loc 0 8 4 # main.cpp:8:4 87 retq 88.Ltmp2: 89.Lfunc_end1: 90 .size main, .Lfunc_end1-main 91 .cfi_endproc 92 # -- End function 93 .section .debug_loclists,"",@progbits 94 .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length 95.Ldebug_list_header_start0: 96 .short 5 # Version 97 .byte 8 # Address size 98 .byte 0 # Segment selector size 99 .long 1 # Offset entry count 100.Lloclists_table_base0: 101 .long .Ldebug_loc0-.Lloclists_table_base0 102.Ldebug_loc0: 103 .byte 4 # DW_LLE_offset_pair 104 .uleb128 .Lfunc_begin1-.Lfunc_begin0 # starting offset 105 .uleb128 .Ltmp1-.Lfunc_begin0 # ending offset 106 .byte 1 # Loc expr size 107 .byte 85 # super-register DW_OP_reg5 108 .byte 4 # DW_LLE_offset_pair 109 .uleb128 .Ltmp1-.Lfunc_begin0 # starting offset 110 .uleb128 .Lfunc_end1-.Lfunc_begin0 # ending offset 111 .byte 1 # Loc expr size 112 .byte 80 # super-register DW_OP_reg0 113 .byte 0 # DW_LLE_end_of_list 114.Ldebug_list_header_end0: 115 .section .debug_abbrev,"",@progbits 116 .byte 1 # Abbreviation Code 117 .byte 17 # DW_TAG_compile_unit 118 .byte 1 # DW_CHILDREN_yes 119 .byte 37 # DW_AT_producer 120 .byte 37 # DW_FORM_strx1 121 .byte 19 # DW_AT_language 122 .byte 5 # DW_FORM_data2 123 .byte 3 # DW_AT_name 124 .byte 37 # DW_FORM_strx1 125 .byte 114 # DW_AT_str_offsets_base 126 .byte 23 # DW_FORM_sec_offset 127 .byte 16 # DW_AT_stmt_list 128 .byte 23 # DW_FORM_sec_offset 129 .byte 27 # DW_AT_comp_dir 130 .byte 37 # DW_FORM_strx1 131 .byte 17 # DW_AT_low_pc 132 .byte 27 # DW_FORM_addrx 133 .byte 18 # DW_AT_high_pc 134 .byte 6 # DW_FORM_data4 135 .byte 115 # DW_AT_addr_base 136 .byte 23 # DW_FORM_sec_offset 137 .ascii "\214\001" # DW_AT_loclists_base 138 .byte 23 # DW_FORM_sec_offset 139 .byte 0 # EOM(1) 140 .byte 0 # EOM(2) 141 .byte 2 # Abbreviation Code 142 .byte 46 # DW_TAG_subprogram 143 .byte 1 # DW_CHILDREN_yes 144 .byte 17 # DW_AT_low_pc 145 .byte 27 # DW_FORM_addrx 146 .byte 18 # DW_AT_high_pc 147 .byte 6 # DW_FORM_data4 148 .byte 64 # DW_AT_frame_base 149 .byte 24 # DW_FORM_exprloc 150 .byte 122 # DW_AT_call_all_calls 151 .byte 25 # DW_FORM_flag_present 152 .byte 49 # DW_AT_abstract_origin 153 .byte 19 # DW_FORM_ref4 154 .byte 0 # EOM(1) 155 .byte 0 # EOM(2) 156 .byte 3 # Abbreviation Code 157 .byte 5 # DW_TAG_formal_parameter 158 .byte 0 # DW_CHILDREN_no 159 .byte 2 # DW_AT_location 160 .byte 24 # DW_FORM_exprloc 161 .byte 49 # DW_AT_abstract_origin 162 .byte 19 # DW_FORM_ref4 163 .byte 0 # EOM(1) 164 .byte 0 # EOM(2) 165 .byte 4 # Abbreviation Code 166 .byte 46 # DW_TAG_subprogram 167 .byte 1 # DW_CHILDREN_yes 168 .byte 110 # DW_AT_linkage_name 169 .byte 37 # DW_FORM_strx1 170 .byte 3 # DW_AT_name 171 .byte 37 # DW_FORM_strx1 172 .byte 58 # DW_AT_decl_file 173 .byte 11 # DW_FORM_data1 174 .byte 59 # DW_AT_decl_line 175 .byte 11 # DW_FORM_data1 176 .byte 63 # DW_AT_external 177 .byte 25 # DW_FORM_flag_present 178 .byte 32 # DW_AT_inline 179 .byte 33 # DW_FORM_implicit_const 180 .byte 1 181 .byte 0 # EOM(1) 182 .byte 0 # EOM(2) 183 .byte 5 # Abbreviation Code 184 .byte 5 # DW_TAG_formal_parameter 185 .byte 0 # DW_CHILDREN_no 186 .byte 3 # DW_AT_name 187 .byte 37 # DW_FORM_strx1 188 .byte 58 # DW_AT_decl_file 189 .byte 11 # DW_FORM_data1 190 .byte 59 # DW_AT_decl_line 191 .byte 11 # DW_FORM_data1 192 .byte 73 # DW_AT_type 193 .byte 19 # DW_FORM_ref4 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 36 # DW_TAG_base_type 205 .byte 0 # DW_CHILDREN_no 206 .byte 3 # DW_AT_name 207 .byte 37 # DW_FORM_strx1 208 .byte 62 # DW_AT_encoding 209 .byte 11 # DW_FORM_data1 210 .byte 11 # DW_AT_byte_size 211 .byte 11 # DW_FORM_data1 212 .byte 0 # EOM(1) 213 .byte 0 # EOM(2) 214 .byte 8 # Abbreviation Code 215 .byte 46 # DW_TAG_subprogram 216 .byte 1 # DW_CHILDREN_yes 217 .byte 17 # DW_AT_low_pc 218 .byte 27 # DW_FORM_addrx 219 .byte 18 # DW_AT_high_pc 220 .byte 6 # DW_FORM_data4 221 .byte 64 # DW_AT_frame_base 222 .byte 24 # DW_FORM_exprloc 223 .byte 122 # DW_AT_call_all_calls 224 .byte 25 # DW_FORM_flag_present 225 .byte 3 # DW_AT_name 226 .byte 37 # DW_FORM_strx1 227 .byte 58 # DW_AT_decl_file 228 .byte 11 # DW_FORM_data1 229 .byte 59 # DW_AT_decl_line 230 .byte 11 # DW_FORM_data1 231 .byte 73 # DW_AT_type 232 .byte 19 # DW_FORM_ref4 233 .byte 63 # DW_AT_external 234 .byte 25 # DW_FORM_flag_present 235 .byte 0 # EOM(1) 236 .byte 0 # EOM(2) 237 .byte 9 # Abbreviation Code 238 .byte 5 # DW_TAG_formal_parameter 239 .byte 0 # DW_CHILDREN_no 240 .byte 2 # DW_AT_location 241 .byte 24 # DW_FORM_exprloc 242 .byte 3 # DW_AT_name 243 .byte 37 # DW_FORM_strx1 244 .byte 58 # DW_AT_decl_file 245 .byte 11 # DW_FORM_data1 246 .byte 59 # DW_AT_decl_line 247 .byte 11 # DW_FORM_data1 248 .byte 73 # DW_AT_type 249 .byte 19 # DW_FORM_ref4 250 .byte 0 # EOM(1) 251 .byte 0 # EOM(2) 252 .byte 10 # Abbreviation Code 253 .byte 52 # DW_TAG_variable 254 .byte 0 # DW_CHILDREN_no 255 .byte 2 # DW_AT_location 256 .byte 34 # DW_FORM_loclistx 257 .byte 3 # DW_AT_name 258 .byte 37 # DW_FORM_strx1 259 .byte 58 # DW_AT_decl_file 260 .byte 11 # DW_FORM_data1 261 .byte 59 # DW_AT_decl_line 262 .byte 11 # DW_FORM_data1 263 .byte 73 # DW_AT_type 264 .byte 19 # DW_FORM_ref4 265 .byte 0 # EOM(1) 266 .byte 0 # EOM(2) 267 .byte 11 # Abbreviation Code 268 .byte 29 # DW_TAG_inlined_subroutine 269 .byte 0 # DW_CHILDREN_no 270 .byte 49 # DW_AT_abstract_origin 271 .byte 19 # DW_FORM_ref4 272 .byte 17 # DW_AT_low_pc 273 .byte 27 # DW_FORM_addrx 274 .byte 18 # DW_AT_high_pc 275 .byte 6 # DW_FORM_data4 276 .byte 88 # DW_AT_call_file 277 .byte 11 # DW_FORM_data1 278 .byte 89 # DW_AT_call_line 279 .byte 11 # DW_FORM_data1 280 .byte 87 # DW_AT_call_column 281 .byte 11 # DW_FORM_data1 282 .byte 0 # EOM(1) 283 .byte 0 # EOM(2) 284 .byte 0 # EOM(3) 285 .section .debug_info,"",@progbits 286.Lcu_begin0: 287 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 288.Ldebug_info_start0: 289 .short 5 # DWARF version number 290 .byte 1 # DWARF Unit Type 291 .byte 8 # Address Size (in bytes) 292 .long .debug_abbrev # Offset Into Abbrev. Section 293 .byte 1 # Abbrev [1] 0xc:0x8f DW_TAG_compile_unit 294 .byte 0 # DW_AT_producer 295 .short 33 # DW_AT_language 296 .byte 1 # DW_AT_name 297 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 298 .long .Lline_table_start0 # DW_AT_stmt_list 299 .byte 2 # DW_AT_comp_dir 300 .byte 0 # DW_AT_low_pc 301 .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc 302 .long .Laddr_table_base0 # DW_AT_addr_base 303 .long .Lloclists_table_base0 # DW_AT_loclists_base 304 .byte 2 # Abbrev [2] 0x27:0x14 DW_TAG_subprogram 305 .byte 0 # DW_AT_low_pc 306 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 307 .byte 1 # DW_AT_frame_base 308 .byte 87 309 # DW_AT_call_all_calls 310 .long 59 # DW_AT_abstract_origin 311 .byte 3 # Abbrev [3] 0x33:0x7 DW_TAG_formal_parameter 312 .byte 1 # DW_AT_location 313 .byte 85 314 .long 64 # DW_AT_abstract_origin 315 .byte 0 # End Of Children Mark 316 .byte 4 # Abbrev [4] 0x3b:0xe DW_TAG_subprogram 317 .byte 3 # DW_AT_linkage_name 318 .byte 4 # DW_AT_name 319 .byte 0 # DW_AT_decl_file 320 .byte 1 # DW_AT_decl_line 321 # DW_AT_external 322 # DW_AT_inline 323 .byte 5 # Abbrev [5] 0x40:0x8 DW_TAG_formal_parameter 324 .byte 5 # DW_AT_name 325 .byte 0 # DW_AT_decl_file 326 .byte 1 # DW_AT_decl_line 327 .long 73 # DW_AT_type 328 .byte 0 # End Of Children Mark 329 .byte 6 # Abbrev [6] 0x49:0x5 DW_TAG_pointer_type 330 .long 78 # DW_AT_type 331 .byte 7 # Abbrev [7] 0x4e:0x4 DW_TAG_base_type 332 .byte 6 # DW_AT_name 333 .byte 5 # DW_AT_encoding 334 .byte 4 # DW_AT_byte_size 335 .byte 8 # Abbrev [8] 0x52:0x3a DW_TAG_subprogram 336 .byte 1 # DW_AT_low_pc 337 .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc 338 .byte 1 # DW_AT_frame_base 339 .byte 87 340 # DW_AT_call_all_calls 341 .byte 7 # DW_AT_name 342 .byte 0 # DW_AT_decl_file 343 .byte 5 # DW_AT_decl_line 344 .long 78 # DW_AT_type 345 # DW_AT_external 346 .byte 9 # Abbrev [9] 0x61:0xa DW_TAG_formal_parameter 347 .byte 1 # DW_AT_location 348 .byte 85 349 .byte 8 # DW_AT_name 350 .byte 0 # DW_AT_decl_file 351 .byte 5 # DW_AT_decl_line 352 .long 78 # DW_AT_type 353 .byte 9 # Abbrev [9] 0x6b:0xa DW_TAG_formal_parameter 354 .byte 1 # DW_AT_location 355 .byte 84 356 .byte 9 # DW_AT_name 357 .byte 0 # DW_AT_decl_file 358 .byte 5 # DW_AT_decl_line 359 .long 140 # DW_AT_type 360 .byte 10 # Abbrev [10] 0x75:0x9 DW_TAG_variable 361 .byte 0 # DW_AT_location 362 .byte 5 # DW_AT_name 363 .byte 0 # DW_AT_decl_file 364 .byte 6 # DW_AT_decl_line 365 .long 78 # DW_AT_type 366 .byte 11 # Abbrev [11] 0x7e:0xd DW_TAG_inlined_subroutine 367 .long 59 # DW_AT_abstract_origin 368 .byte 1 # DW_AT_low_pc 369 .long .Ltmp1-.Lfunc_begin1 # DW_AT_high_pc 370 .byte 0 # DW_AT_call_file 371 .byte 7 # DW_AT_call_line 372 .byte 4 # DW_AT_call_column 373 .byte 0 # End Of Children Mark 374 .byte 6 # Abbrev [6] 0x8c:0x5 DW_TAG_pointer_type 375 .long 145 # DW_AT_type 376 .byte 6 # Abbrev [6] 0x91:0x5 DW_TAG_pointer_type 377 .long 150 # DW_AT_type 378 .byte 7 # Abbrev [7] 0x96:0x4 DW_TAG_base_type 379 .byte 10 # DW_AT_name 380 .byte 6 # DW_AT_encoding 381 .byte 1 # DW_AT_byte_size 382 .byte 0 # End Of Children Mark 383.Ldebug_info_end0: 384 .section .debug_str_offsets,"",@progbits 385 .long 48 # Length of String Offsets Set 386 .short 5 387 .short 0 388.Lstr_offsets_base0: 389 .section .debug_str,"MS",@progbits,1 390.Linfo_string0: 391 .asciz "clang version 15.0.0)" # string offset=0 392.Linfo_string1: 393 .asciz "main.cpp" # string offset=134 394.Linfo_string2: 395 .asciz "/testLocList" # string offset=143 396.Linfo_string3: 397 .asciz "_Z3usePi" # string offset=192 398.Linfo_string4: 399 .asciz "use" # string offset=201 400.Linfo_string5: 401 .asciz "x" # string offset=205 402.Linfo_string6: 403 .asciz "int" # string offset=207 404.Linfo_string7: 405 .asciz "main" # string offset=211 406.Linfo_string8: 407 .asciz "argc" # string offset=216 408.Linfo_string9: 409 .asciz "argv" # string offset=221 410.Linfo_string10: 411 .asciz "char" # string offset=226 412 .section .debug_str_offsets,"",@progbits 413 .long .Linfo_string0 414 .long .Linfo_string1 415 .long .Linfo_string2 416 .long .Linfo_string3 417 .long .Linfo_string4 418 .long .Linfo_string5 419 .long .Linfo_string6 420 .long .Linfo_string7 421 .long .Linfo_string8 422 .long .Linfo_string9 423 .long .Linfo_string10 424 .section .debug_addr,"",@progbits 425 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 426.Ldebug_addr_start0: 427 .short 5 # DWARF version number 428 .byte 8 # Address size 429 .byte 0 # Segment selector size 430.Laddr_table_base0: 431 .quad .Lfunc_begin0 432 .quad .Lfunc_begin1 433.Ldebug_addr_end0: 434 .ident "clang version 15.0.0" 435 .section ".note.GNU-stack","",@progbits 436 .addrsig 437 .section .debug_line,"",@progbits 438.Lline_table_start0: 439