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 0x00  # EOM(3)
 170
 171 # And a .dwo copy of a subset for the .dwo sections.
 172         .section .debug_abbrev.dwo,"",@progbits
 173         .byte 0x01  # Abbrev code
 174         .byte 0x11  # DW_TAG_compile_unit
 175         .byte 0x00  # DW_CHILDREN_no
 176         .byte 0x25  # DW_AT_producer
 177         .byte 0x1a  # DW_FORM_strx
 178         .byte 0x03  # DW_AT_name
 179         .byte 0x1a  # DW_FORM_strx
 180         .byte 0x1b  # DW_AT_comp_dir
 181         .byte 0x1a  # DW_FORM_strx
 182         .byte 0x00  # EOM(1)
 183         .byte 0x00  # EOM(2)
 184         .byte 0x02  # Abbrev code
 185         .byte 0x41  # DW_TAG_type_unit
 186         .byte 0x01  # DW_CHILDREN_yes
 187         .byte 0x03  # DW_AT_name
 188         .byte 0x1a  # DW_FORM_strx
 189         .byte 0x00  # EOM(1)
 190         .byte 0x00  # EOM(2)
 191         .byte 0x03  # Abbrev code
 192         .byte 0x13  # DW_TAG_structure_type
 193         .byte 0x00  # DW_CHILDREN_no (no members)
 194         .byte 0x03  # DW_AT_name
 195         .byte 0x1a  # DW_FORM_strx
 196         .byte 0x00  # EOM(1)
 197         .byte 0x00  # EOM(2)
 198         .byte 0x00  # EOM(3)
 199
 200         .section .debug_info,"",@progbits
 201
 202 # DWARF v5 CU header.
 203         .long  CU1_5_end-CU1_5_version  # Length of Unit
 204 CU1_5_version:
 205         .short 5               # DWARF version number
 206         .byte 1                # DWARF Unit Type
 207         .byte 8                # Address Size (in bytes)
 208         .long .debug_abbrev    # Offset Into Abbrev. Section
 209 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
 210 # DW_AT_str_offsets and DW_AT_compdir.
 211         .byte 1                # Abbreviation code
 212         .byte 0                # The index of the producer string
 213         .byte 1                # The index of the CU name string
 214         .long .debug_str_offsets_base0
 215         .byte 2                # The index of the comp dir string
 216 # A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
 217         .byte 4                # Abbreviation code
 218         .byte 3                # Subprogram name string (DW_FORM_strx1)
 219 # A variable DIE with DW_AT_name, using DW_FORM_strx2, and DW_AT_type.
 220         .byte 5                # Abbreviation code
 221         .short 0x0004          # Subprogram name string (DW_FORM_strx2)
 222         .long TypeDie-.debug_info
 223 # A variable DIE with DW_AT_name, using DW_FORM_strx3, and DW_AT_type.
 224         .byte 6                # Abbreviation code
 225         .byte 5                # Subprogram name string (DW_FORM_strx3)
 226         .short 0               # Subprogram name string (DW_FORM_strx3)
 227         .long TypeDie-.debug_info
 228 # A variable DIE with DW_AT_name, using DW_FORM_strx4, and DW_AT_type.
 229         .byte 7                # Abbreviation code
 230         .long 6                # Subprogram name string (DW_FORM_strx4)
 231         .long TypeDie-.debug_info
 232         .byte 0 # NULL
 233 # A base type DIE with DW_AT_encoding.
 234 TypeDie:
 235         .byte 8                # Abbreviation code
 236         .byte 5                # DW_ATE_signed
 237         .byte 0 # NULL
 238         .byte 0 # NULL
 239 CU1_5_end:
 240
 241 # DWARF v5 CU header
 242         .long  CU2_5_end-CU2_5_version  # Length of Unit
 243 CU2_5_version:
 244         .short 5               # DWARF version number
 245         .byte 1                # DWARF Unit Type
 246         .byte 8                # Address Size (in bytes)
 247         .long .debug_abbrev    # Offset Into Abbrev. Section
 248 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
 249 # DW_AT_str_offsets and DW_AT_compdir.
 250         .byte 1                # Abbreviation code
 251         .byte 0                # The index of the producer string
 252         .byte 1                # The index of the CU name string
 253         .long .debug_str_offsets_base1
 254         .byte 2                # The index of the comp dir string
 255         .byte 0 # NULL
 256 CU2_5_end:
 257
 258         .section .debug_types,"",@progbits
 259 # DWARF v5 Type unit header.
 260 TU_5_start:
 261         .long  TU_5_end-TU_5_version  # Length of Unit
 262 TU_5_version:
 263         .short 5               # DWARF version number
 264         .byte 2                # DWARF Unit Type
 265         .byte 8                # Address Size (in bytes)
 266         .long .debug_abbrev    # Offset Into Abbrev. Section
 267         .quad 0x0011223344556677 # Type Signature
 268         .long TU_5_type-TU_5_start # Type offset
 269 # The type-unit DIE, which has a name.
 270         .byte 2                # Abbreviation code
 271         .byte 0                # Index of the unit type name string
 272         .long .debug_str_offsets_base2  # offset into the str_offsets section
 273 # The type DIE, which has a name.
 274 TU_5_type:
 275         .byte 3                # Abbreviation code
 276         .byte 1                # Index of the type name string
 277         .byte 0 # NULL
 278         .byte 0 # NULL
 279 TU_5_end:
 280
 281         .section .debug_info.dwo,"",@progbits
 282
 283 # DWARF v5 split CU header.
 284         .long  CU_split_5_end-CU_split_5_version  # Length of Unit
 285 CU_split_5_version:
 286         .short 5               # DWARF version number
 287         .byte 1                # DWARF Unit Type
 288         .byte 8                # Address Size (in bytes)
 289         .long .debug_abbrev.dwo  # Offset Into Abbrev Section
 290 # The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
 291 # DW_AT_str_offsets and DW_AT_compdir.
 292         .byte 1                # Abbreviation code
 293         .byte 0                # The index of the producer string
 294         .byte 1                # The index of the CU name string
 295         .byte 2                # The index of the comp dir string
 296         .byte 0 # NULL
 297 CU_split_5_end:
 298
 299         .section .debug_types.dwo,"",@progbits
 300
 301 # DWARF v5 split type unit header.
 302 TU_split_5_start:
 303         .long  TU_split_5_end-TU_split_5_version  # Length of Unit
 304 TU_split_5_version:
 305         .short 5               # DWARF version number
 306         .byte 6                # DWARF Unit Type
 307         .byte 8                # Address Size (in bytes)
 308         .long .debug_abbrev.dwo  # Offset Into Abbrev Section
 309         .quad 0x8899aabbccddeeff # Type Signature
 310         .long TU_split_5_type-TU_split_5_start  # Type offset
 311 # The type-unit DIE, which has a name.
 312         .byte 2                # Abbreviation code
 313         .byte 3                # The index of the type unit name string
 314 # The type DIE, which has a name.
 315 TU_split_5_type:
 316         .byte 3                # Abbreviation code
 317         .byte 4                # The index of the type name string
 318         .byte 0 # NULL
 319         .byte 0 # NULL
 320 TU_split_5_end:
 321
 322 # We are using a hand-constructed object file and are interest in the correct
 323 # diplay of the DW_str_offsetsbase attribute, the correct display of strings
 324 # and the dump of the .debug_str_offsets[.dwo] table.
 325
 326 # Abbreviation for DW_AT_str_offsets_base
 327 # COMMON:      .debug_abbrev contents:
 328 # COMMON-NOT:  contents:
 329 # COMMON:      DW_TAG_compile_unit
 330 # COMMON-NOT:  DW_TAG
 331 # COMMON:      DW_AT_str_offsets_base DW_FORM_sec_offset
 332 #
 333 # Verify that strings are displayed correctly as indexed strings
 334 # COMMON:      .debug_info contents:
 335 # COMMON-NOT:  contents:
 336 # COMMON:      DW_TAG_compile_unit
 337 # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
 338 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_1")
 339 # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
 340 # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU1")
 341 # COMMON-NOT:  NULL
 342 # COMMON:      DW_TAG_subprogram
 343 # COMMON-NEXT: DW_AT_name [DW_FORM_strx1] (indexed (00000003) string = "MyFunc")
 344 # COMMON-NOT:  NULL
 345 # COMMON:      DW_TAG_variable
 346 # COMMON-NEXT: DW_AT_name [DW_FORM_strx2] (indexed (00000004) string = "MyVar1")
 347 # COMMON-NOT:  NULL
 348 # COMMON:      DW_TAG_variable
 349 # COMMON-NEXT: DW_AT_name [DW_FORM_strx3] (indexed (00000005) string = "MyVar2")
 350 # COMMON-NOT:  NULL
 351 # COMMON:      DW_TAG_variable
 352 # COMMON-NEXT: DW_AT_name [DW_FORM_strx4] (indexed (00000006) string = "MyVar3")
 353 #
 354 # Second compile unit (b.cpp)
 355 # COMMON:      DW_TAG_compile_unit
 356 # COMMON-NEXT: DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade DWARF producer")
 357 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "Compile_Unit_2")
 358 # COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000038)
 359 # COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/CU2")
 360 #
 361 # The split CU
 362 # SPLIT:       .debug_info.dwo contents:
 363 # SPLIT-NOT:   contents:
 364 # SPLIT:       DW_TAG_compile_unit
 365 # SPLIT-NEXT:  DW_AT_producer [DW_FORM_strx] (indexed (00000000) string = "Handmade split DWARF producer")
 366 # SPLIT-NEXT:  DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "V5_split_compile_unit")
 367 # SPLIT-NEXT:  DW_AT_comp_dir [DW_FORM_strx] (indexed (00000002) string = "/home/test/splitCU")
 368 #
 369 # The type unit
 370 # COMMON:      .debug_types contents:
 371 # COMMON:      DW_TAG_type_unit
 372 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000000) string = "Type_Unit")
 373 # COMMON:      DW_TAG_structure_type
 374 # COMMON-NEXT: DW_AT_name [DW_FORM_strx] (indexed (00000001) string = "MyStruct")
 375 #
 376 # The split type unit
 377 # SPLIT:       .debug_types.dwo contents:
 378 # SPLIT:       DW_TAG_type_unit
 379 # SPLIT-NEXT:  DW_AT_name [DW_FORM_strx] (indexed (00000003) string = "V5_split_type_unit")
 380 # SPLIT:       DW_TAG_structure_type
 381 # SPLIT-NEXT:  DW_AT_name [DW_FORM_strx] (indexed (00000004) string = "V5_split_Mystruct")
 382 #
 383 # The .debug_str_offsets section
 384 # COMMON:      .debug_str_offsets contents:
 385 # COMMON-NEXT: 0x00000000: Contribution size = 32, Format = DWARF32, Version = 5
 386 # COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
 387 # COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
 388 # COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
 389 # COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
 390 # COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
 391 # COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
 392 # COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
 393 # COMMON-NEXT: Gap, length = 4
 394 # COMMON-NEXT: 0x00000028: Contribution size = 28, Format = DWARF64, Version = 5
 395 # COMMON-NEXT: 0x00000038: 00000000 "Handmade DWARF producer"
 396 # COMMON-NEXT: 0x00000040: 00000036 "Compile_Unit_2"
 397 # COMMON-NEXT: 0x00000048: 00000045 "/home/test/CU2"
 398 # COMMON-NEXT: 0x00000050: Contribution size = 12, Format = DWARF32, Version = 5
 399 # COMMON-NEXT: 0x00000058: 00000054 "Type_Unit"
 400 # COMMON-NEXT: 0x0000005c: 0000005e "MyStruct"
 401 #
 402 # SPLIT:       .debug_str_offsets.dwo contents:
 403 # SPLIT-NEXT:  0x00000000: Contribution size = 24, Format = DWARF32, Version = 5
 404 # SPLIT-NEXT:  0x00000008: 00000000 "Handmade split DWARF producer"
 405 # SPLIT-NEXT:  0x0000000c: 0000001e "V5_split_compile_unit"
 406 # SPLIT-NEXT:  0x00000010: 00000034 "/home/test/splitCU"
 407 # SPLIT-NEXT:  0x00000014: 00000047 "V5_split_type_unit"
 408 # SPLIT-NEXT:  0x00000018: 0000005a "V5_split_Mystruct"
 409
 410 # VERIFY: No errors.
 411
 412 # ERR-NOT: parsing a range list table: