test/DebugInfo/X86/dwarfdump-str-offsets.s

   1 # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
   2 # RUN: llvm-dwarfdump -v %t.o 2> %t.err | FileCheck --check-prefix=COMMON --check-prefix=SPLIT %s
   3 # RUN: llvm-dwarfdump -verify %t.o | FileCheck --check-prefix=VERIFY %s
   4 #
   5 # Check that we don't report an error on a non-existent range list table.
   6 # RUN: FileCheck -allow-empty --check-prefix ERR %s < %t.err
   7
   8 # Test object to verify dwarfdump handles v5 string offset tables.
   9 # We have 2 v5 CUs, a v5 TU, and a split v5 CU and TU.
  10 #
  11
  12         .section .debug_str,"MS",@progbits,1
  13 str_producer:
  14         .asciz "Handmade DWARF producer"
  15 str_CU1:
  16         .asciz "Compile_Unit_1"
  17 str_CU1_dir:
  18         .asciz "/home/test/CU1"
  19 str_CU2:
  20         .asciz "Compile_Unit_2"
  21 str_CU2_dir:
  22         .asciz "/home/test/CU2"
  23 str_TU:
  24         .asciz "Type_Unit"
  25 str_TU_type:
  26         .asciz "MyStruct"
  27 str_Subprogram:
  28         .asciz "MyFunc"
  29 str_Variable1:
  30         .asciz "MyVar1"
  31 str_Variable2:
  32         .asciz "MyVar2"
  33 str_Variable3:
  34         .asciz "MyVar3"
  35
  36 # Every unit contributes to the string_offsets table.
  37         .section .debug_str_offsets,"",@progbits
  38 # CU1's contribution
  39         .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0+4
  40         .short 5    # DWARF version
  41         .short 0    # Padding
  42 .debug_str_offsets_base0:
  43         .long str_producer
  44         .long str_CU1
  45         .long str_CU1_dir
  46         .long str_Subprogram
  47         .long str_Variable1
  48         .long str_Variable2
  49         .long str_Variable3
  50 .debug_str_offsets_segment0_end:
  51 # A 4-byte gap.
  52         .long 0
  53 # CU2's contribution in DWARF64 format
  54         .long 0xffffffff
  55         .quad .debug_str_offsets_segment1_end-.debug_str_offsets_base1+4
  56         .short 5    # DWARF version
  57         .short 0    # Padding
  58 .debug_str_offsets_base1:
  59         .quad str_producer
  60         .quad str_CU2
  61         .quad str_CU2_dir
  62 .debug_str_offsets_segment1_end:
  63 # The TU's contribution
  64         .long .debug_str_offsets_segment2_end-.debug_str_offsets_base2+4
  65         .short 5    # DWARF version
  66         .short 0    # Padding
  67 .debug_str_offsets_base2:
  68         .long str_TU
  69         .long str_TU_type
  70 .debug_str_offsets_segment2_end:
  71
  72         .section .debug_str.dwo,"MS",@progbits,1
  73 dwo_str_CU_5_producer:
  74         .asciz "Handmade split DWARF producer"
  75 dwo_str_CU_5_name:
  76         .asciz "V5_split_compile_unit"
  77 dwo_str_CU_5_comp_dir:
  78         .asciz "/home/test/splitCU"
  79 dwo_str_TU_5:
  80         .asciz "V5_split_type_unit"
  81 dwo_str_TU_5_type:
  82         .asciz "V5_split_Mystruct"
  83
  84         .section .debug_str_offsets.dwo,"",@progbits
  85 # One contribution only in a .dwo file
  86         .long .debug_dwo_str_offsets_segment0_end-.debug_dwo_str_offsets_base0+4
  87         .short 5    # DWARF version
  88         .short 0    # Padding
  89 .debug_dwo_str_offsets_base0:
  90         .long dwo_str_CU_5_producer-.debug_str.dwo
  91         .long dwo_str_CU_5_name-.debug_str.dwo
  92         .long dwo_str_CU_5_comp_dir-.debug_str.dwo
  93         .long dwo_str_TU_5-.debug_str.dwo
  94         .long dwo_str_TU_5_type-.debug_str.dwo
  95 .debug_dwo_str_offsets_segment0_end:
  96
  97 # All CUs/TUs use the same abbrev section for simplicity.
  98         .section .debug_abbrev,"",@progbits
  99         .byte 0x01  # Abbrev code
 100         .byte 0x11  # DW_TAG_compile_unit
 101         .byte 0x01  # DW_CHILDREN_yes
 102         .byte 0x25  # DW_AT_producer
 103         .byte 0x1a  # DW_FORM_strx
 104         .byte 0x03  # DW_AT_name
 105         .byte 0x1a  # DW_FORM_strx
 106         .byte 0x72  # DW_AT_str_offsets_base
 107         .byte 0x17  # DW_FORM_sec_offset
 108         .byte 0x1b  # DW_AT_comp_dir
 109         .byte 0x1a  # DW_FORM_strx
 110         .byte 0x00  # EOM(1)
 111         .byte 0x00  # EOM(2)
 112         .byte 0x02  # Abbrev code
 113         .byte 0x41  # DW_TAG_type_unit
 114         .byte 0x01  # DW_CHILDREN_yes
 115         .byte 0x03  # DW_AT_name
 116         .byte 0x1a  # DW_FORM_strx
 117         .byte 0x72  # DW_AT_str_offsets_base
 118         .byte 0x17  # DW_FORM_sec_offset
 119         .byte 0x00  # EOM(1)
 120         .byte 0x00  # EOM(2)
 121         .byte 0x03  # Abbrev code
 122         .byte 0x13  # DW_TAG_structure_type
 123         .byte 0x00  # DW_CHILDREN_no (no members)
 124         .byte 0x03  # DW_AT_name
 125         .byte 0x1a  # DW_FORM_strx
 126         .byte 0x00  # EOM(1)
 127         .byte 0x00  # EOM(2)
 128         .byte 0x04  # Abbrev code
 129         .byte 0x2e  # DW_TAG_subprogram
 130         .byte 0x01  # DW_CHILDREN_yes
 131         .byte 0x03  # DW_AT_name
 132         .byte 0x25  # DW_FORM_strx1
 133         .byte 0x00  # EOM(1)
 134         .byte 0x00  # EOM(2)
 135         .byte 0x05  # Abbrev code
 136         .byte 0x34  # DW_TAG_variable
 137         .byte 0x00  # DW_CHILDREN_no
 138         .byte 0x03  # DW_AT_name
 139         .byte 0x26  # DW_FORM_strx2
 140         .byte 0x49  # DW_AT_type
 141         .byte 0x13  # DW_FORM_ref4
 142         .byte 0x00  # EOM(1)
 143         .byte 0x00  # EOM(2)
 144         .byte 0x06  # Abbrev code
 145         .byte 0x34  # DW_TAG_variable
 146         .byte 0x00  # DW_CHILDREN_no
 147         .byte 0x03  # DW_AT_name
 148         .byte 0x27  # DW_FORM_strx3
 149         .byte 0x49  # DW_AT_type
 150         .byte 0x13  # DW_FORM_ref4
 151         .byte 0x00  # EOM(1)
 152         .byte 0x00  # EOM(2)
 153         .byte 0x07  # Abbrev code
 154         .byte 0x34  # DW_TAG_variable
 155         .byte 0x00  # DW_CHILDREN_no
 156         .byte 0x03  # DW_AT_name
 157         .byte 0x28  # DW_FORM_strx4
 158         .byte 0x49  # DW_AT_type
 159         .byte 0x13  # DW_FORM_ref4
 160         .byte 0x00  # EOM(1)
 161         .byte 0x00  # EOM(2)
 162         .byte 0x08  # Abbrev code
 163         .byte 0x24  # DW_TAG_base_type
 164         .byte 0x00  # DW_CHILDREN_no
 165         .byte 0x3e  # DW_AT_encoding
 166         .byte 0x0b  # DW_FORM_data1
 167         .byte 0x00  # EOM(1)
 168         .byte 0x00  # EOM(2)
 169         .byte 0x09  # Abbrev code
 170         .byte 0x11  # DW_TAG_compile_unit
 171         .byte 0x00  # DW_CHILDREN_no
 172         .byte 0x00  # EOM(1)
 173         .byte 0x00  # EOM(2)
 174         .byte 0x00  # EOM(3)
 175
 176 # And a .dwo copy of a subset for the .dwo sections.
 177         .section .debug_abbrev.dwo,"",@progbits
 178         .byte 0x01  # Abbrev code
 179         .byte 0x11  # DW_TAG_compile_unit
 180         .byte 0x00  # DW_CHILDREN_no
 181         .byte 0x25  # DW_AT_producer
 182         .byte 0x1a  # DW_FORM_strx
 183         .byte 0x03  # DW_AT_name
 184         .byte 0x1a  # DW_FORM_strx
 185         .byte 0x1b  # DW_AT_comp_dir
 186         .byte 0x1a  # DW_FORM_strx
 187         .byte 0x00  # EOM(1)
 188         .byte 0x00  # EOM(2)
 189         .byte 0x02  # Abbrev code
 190         .byte 0x41  # DW_TAG_type_unit
 191         .byte 0x01  # DW_CHILDREN_yes
 192         .byte 0x03  # DW_AT_name
 193         .byte 0x1a  # DW_FORM_strx
 194         .byte 0x00  # EOM(1)
 195         .byte 0x00  # EOM(2)
 196         .byte 0x03  # Abbrev code
 197         .byte 0x13  # DW_TAG_structure_type
 198         .byte 0x00  # DW_CHILDREN_no (no members)
 199         .byte 0x03  # DW_AT_name
 200         .byte 0x1a  # DW_FORM_strx
 201         .byte 0x00  # EOM(1)
 202         .byte 0x00  # EOM(2)
 203         .byte 0x00  # EOM(3)
 204
 205         .section .debug_info,"",@progbits
 206
 207 # DWARF v5 CU header.
 208         .long  CU1_5_end-CU1_5_version  # Length of Unit
 209 CU1_5_version:
 210         .short 5               # DWARF version number
 211         .byte 1                # DWARF Unit Type
 212         .byte 8                # Address Size (in bytes)
 213         .long .debug_abbrev    # Offset Into Abbrev. Section
 214 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
 215 # DW_AT_str_offsets and DW_AT_compdir.
 216         .byte 1                # Abbreviation code
 217         .byte 0                # The index of the producer string
 218         .byte 1                # The index of the CU name string
 219         .long .debug_str_offsets_base0
 220         .byte 2                # The index of the comp dir string
 221 # A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
 222         .byte 4                # Abbreviation code
 223         .byte 3                # Subprogram name string (DW_FORM_strx1)
 224 # A variable DIE with DW_AT_name, using DW_FORM_strx2, and DW_AT_type.
 225         .byte 5                # Abbreviation code
 226         .short 0x0004          # Subprogram name string (DW_FORM_strx2)
 227         .long TypeDie-.debug_info
 228 # A variable DIE with DW_AT_name, using DW_FORM_strx3, and DW_AT_type.
 229         .byte 6                # Abbreviation code
 230         .byte 5                # Subprogram name string (DW_FORM_strx3)
 231         .short 0               # Subprogram name string (DW_FORM_strx3)
 232         .long TypeDie-.debug_info
 233 # A variable DIE with DW_AT_name, using DW_FORM_strx4, and DW_AT_type.
 234         .byte 7                # Abbreviation code
 235         .long 6                # Subprogram name string (DW_FORM_strx4)
 236         .long TypeDie-.debug_info
 237         .byte 0 # NULL
 238 # A base type DIE with DW_AT_encoding.
 239 TypeDie:
 240         .byte 8                # Abbreviation code
 241         .byte 5                # DW_ATE_signed
 242         .byte 0 # NULL
 243         .byte 0 # NULL
 244 CU1_5_end:
 245
 246 # DWARF v5 CU header
 247         .long 0xffffffff
 248         .quad CU2_5_end-CU2_5_version  # Length of Unit
 249 CU2_5_version:
 250         .short 5               # DWARF version number
 251         .byte 1                # DWARF Unit Type
 252         .byte 8                # Address Size (in bytes)
 253         .quad .debug_abbrev    # Offset Into Abbrev. Section
 254 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
 255 # DW_AT_str_offsets and DW_AT_compdir.
 256         .byte 1                # Abbreviation code
 257         .byte 0                # The index of the producer string
 258         .byte 1                # The index of the CU name string
 259         .quad .debug_str_offsets_base1
 260         .byte 2                # The index of the comp dir string
 261         .byte 0 # NULL
 262 CU2_5_end:
 263 # DWARF v5 CU without str_offsets_base - this shouldn't produce an error/nor
 264 # prevent other str_offsets contributions from being dumped.
 265         .long CU3_5_end-CU3_5_version  # Length of Unit
 266 CU3_5_version:
 267         .short 5               # DWARF version number
 268         .byte 1                # DWARF Unit Type
 269         .byte 8                # Address Size (in bytes)
 270         .long .debug_abbrev    # Offset Into Abbrev. Section
 271 # The compile-unit DIE with no attributes.
 272         .byte 9                # Abbreviation code
 273 CU3_5_end:
 274
 275
 276
 277
 278
 279
 280         .section .debug_types,"",@progbits
 281 # DWARF v5 Type unit header.
 282 TU_5_start:
 283         .long  TU_5_end-TU_5_version  # Length of Unit
 284 TU_5_version:
 285         .short 5               # DWARF version number
 286         .byte 2                # DWARF Unit Type
 287         .byte 8                # Address Size (in bytes)
 288         .long .debug_abbrev    # Offset Into Abbrev. Section
 289         .quad 0x0011223344556677 # Type Signature
 290         .long TU_5_type-TU_5_start # Type offset
 291 # The type-unit DIE, which has a name.
 292         .byte 2                # Abbreviation code
 293         .byte 0                # Index of the unit type name string
 294         .long .debug_str_offsets_base2  # offset into the str_offsets section
 295 # The type DIE, which has a name.
 296 TU_5_type:
 297         .byte 3                # Abbreviation code
 298         .byte 1                # Index of the type name string
 299         .byte 0 # NULL
 300         .byte 0 # NULL
 301 TU_5_end:
 302
 303         .section .debug_info.dwo,"",@progbits
 304
 305 # DWARF v5 split CU header.
 306         .long  CU_split_5_end-CU_split_5_version  # Length of Unit
 307 CU_split_5_version:
 308         .short 5               # DWARF version number
 309         .byte 1                # DWARF Unit Type
 310         .byte 8                # Address Size (in bytes)
 311         .long .debug_abbrev.dwo  # Offset Into Abbrev Section
 312 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
 313 # DW_AT_str_offsets and DW_AT_compdir.
 314         .byte 1                # Abbreviation code
 315         .byte 0                # The index of the producer string
 316         .byte 1                # The index of the CU name string
 317         .byte 2                # The index of the comp dir string
 318         .byte 0 # NULL
 319 CU_split_5_end:
 320
 321         .section .debug_types.dwo,"",@progbits
 322
 323 # DWARF v5 split type unit header.
 324 TU_split_5_start:
 325         .long  TU_split_5_end-TU_split_5_version  # Length of Unit
 326 TU_split_5_version:
 327         .short 5               # DWARF version number
 328         .byte 6                # DWARF Unit Type
 329         .byte 8                # Address Size (in bytes)
 330         .long .debug_abbrev.dwo  # Offset Into Abbrev Section
 331         .quad 0x8899aabbccddeeff # Type Signature
 332         .long TU_split_5_type-TU_split_5_start  # Type offset
 333 # The type-unit DIE, which has a name.
 334         .byte 2                # Abbreviation code
 335         .byte 3                # The index of the type unit name string
 336 # The type DIE, which has a name.
 337 TU_split_5_type:
 338         .byte 3                # Abbreviation code
 339         .byte 4                # The index of the type name string
 340         .byte 0 # NULL
 341         .byte 0 # NULL
 342 TU_split_5_end:
 343
 344 # We are using a hand-constructed object file and are interest in the correct
 345 # diplay of the DW_str_offsetsbase attribute, the correct display of strings
 346 # and the dump of the .debug_str_offsets[.dwo] table.
 347
 348 # Abbreviation for DW_AT_str_offsets_base
 349 # COMMON:      .debug_abbrev contents:
 350 # COMMON-NOT:  contents:
 351 # COMMON:      DW_TAG_compile_unit
 352 # COMMON-NOT:  DW_TAG
 353 # COMMON:      DW_AT_str_offsets_base DW_FORM_sec_offset
 354 #
 355 # Verify that strings are displayed correctly as indexed strings
 356 # COMMON:      .debug_info contents:
 357 # COMMON-NOT:  contents:
 358 # COMMON:      DW_TAG_compile_unit
 359 # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
 360 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_1")
 361 # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
 362 # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU1")
 363 # COMMON-NOT:  NULL
 364 # COMMON:      DW_TAG_subprogram
 365 # COMMON-NEXT: DW_AT_name [DW_FORM_strx1] (indexed (00000003) string = "MyFunc")
 366 # COMMON-NOT:  NULL
 367 # COMMON:      DW_TAG_variable
 368 # COMMON-NEXT: DW_AT_name [DW_FORM_strx2] (indexed (00000004) string = "MyVar1")
 369 # COMMON-NOT:  NULL
 370 # COMMON:      DW_TAG_variable
 371 # COMMON-NEXT: DW_AT_name [DW_FORM_strx3] (indexed (00000005) string = "MyVar2")
 372 # COMMON-NOT:  NULL
 373 # COMMON:      DW_TAG_variable
 374 # COMMON-NEXT: DW_AT_name [DW_FORM_strx4] (indexed (00000006) string = "MyVar3")
 375 #
 376 # Second compile unit (b.cpp)
 377 # COMMON:      DW_TAG_compile_unit
 378 # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
 379 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_2")
 380 # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000038)
 381 # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU2")
 382 #
 383 # The split CU
 384 # SPLIT:       .debug_info.dwo contents:
 385 # SPLIT-NOT:   contents:
 386 # SPLIT:       DW_TAG_compile_unit
 387 # SPLIT-NEXT:  DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade split DWARF producer")
 388 # SPLIT-NEXT:  DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "V5_split_compile_unit")
 389 # SPLIT-NEXT:  DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/splitCU")
 390 #
 391 # The type unit
 392 # COMMON:      .debug_types contents:
 393 # COMMON:      DW_TAG_type_unit
 394 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000000) string = "Type_Unit")
 395 # COMMON:      DW_TAG_structure_type
 396 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "MyStruct")
 397 #
 398 # The split type unit
 399 # SPLIT:       .debug_types.dwo contents:
 400 # SPLIT:       DW_TAG_type_unit
 401 # SPLIT-NEXT:  DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "V5_split_type_unit")
 402 # SPLIT:       DW_TAG_structure_type
 403 # SPLIT-NEXT:  DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "V5_split_Mystruct")
 404 #
 405 # The .debug_str_offsets section
 406 # COMMON:      .debug_str_offsets contents:
 407 # COMMON-NEXT: 0x00000000: Contribution size = 32, Format = DWARF32, Version = 5
 408 # COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
 409 # COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
 410 # COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
 411 # COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
 412 # COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
 413 # COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
 414 # COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
 415 # COMMON-NEXT: Gap, length = 4
 416 # COMMON-NEXT: 0x00000028: Contribution size = 28, Format = DWARF64, Version = 5
 417 # COMMON-NEXT: 0x00000038: 00000000 "Handmade DWARF producer"
 418 # COMMON-NEXT: 0x00000040: 00000036 "Compile_Unit_2"
 419 # COMMON-NEXT: 0x00000048: 00000045 "/home/test/CU2"
 420 # COMMON-NEXT: 0x00000050: Contribution size = 12, Format = DWARF32, Version = 5
 421 # COMMON-NEXT: 0x00000058: 00000054 "Type_Unit"
 422 # COMMON-NEXT: 0x0000005c: 0000005e "MyStruct"
 423 #
 424 # SPLIT:       .debug_str_offsets.dwo contents:
 425 # SPLIT-NEXT:  0x00000000: Contribution size = 24, Format = DWARF32, Version = 5
 426 # SPLIT-NEXT:  0x00000008: 00000000 "Handmade split DWARF producer"
 427 # SPLIT-NEXT:  0x0000000c: 0000001e "V5_split_compile_unit"
 428 # SPLIT-NEXT:  0x00000010: 00000034 "/home/test/splitCU"
 429 # SPLIT-NEXT:  0x00000014: 00000047 "V5_split_type_unit"
 430 # SPLIT-NEXT:  0x00000018: 0000005a "V5_split_Mystruct"
 431
 432 # VERIFY: No errors.
 433
 434 # ERR-NOT: parsing a range list table: