llvm/test/DebugInfo/X86/dwarfdump-rela-dwo.s

   1 # Test objective to verify warning is printed if DWO secton has relocations.
   2 #
   3 # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
   4 # RUN: llvm-dwarfdump --debug-info %t.o | FileCheck %s
   5 # RUN: llvm-dwarfdump --debug-info %t.o 2> %t.txt
   6 # RUN: FileCheck --input-file=%t.txt %s --check-prefix=PART2 --implicit-check-not=warning:
   7
   8         .section .debug_str.dwo,"MSe",@progbits,1
   9 .dwo_producer:
  10         .asciz "Handmade DWO producer"
  11 .dwo_CU_5:
  12         .asciz "V5_dwo_compile_unit"
  13
  14         .section        .debug_str_offsets.dwo,"e",@progbits
  15         .long   Lstr_offsets_end-Lstr_offsets_start                              # Length of String Offsets Set
  16         Lstr_offsets_start:
  17         .short  5
  18         .short  0
  19         .long   .dwo_producer-.debug_str.dwo
  20         .long   .dwo_CU_5-.debug_str.dwo
  21         Lstr_offsets_end:
  22
  23 # And a .dwo copy for the .dwo sections.
  24         .section .debug_abbrev.dwo,"e",@progbits
  25         .byte 0x01  # Abbrev code
  26         .byte 0x11  # DW_TAG_compile_unit
  27         .byte 0x00  # DW_CHILDREN_no
  28         .byte 0x25  # DW_AT_producer
  29         .byte 0x0e  # DW_FORM_strp
  30         .byte 0x03  # DW_AT_name
  31         .byte 0x25  # DW_FORM_strx1
  32         .byte 0x00  # EOM(1)
  33         .byte 0x00  # EOM(2)
  34         .byte 0x00  # EOM(3)
  35
  36 # PART2: warning: unexpected relocations for dwo section '.debug_abbrev.dwo'
  37         .reloc ., R_X86_64_NONE, 0
  38
  39         .section .debug_info.dwo,"e",@progbits
  40 # CHECK-LABEL: .debug_info.dwo
  41
  42 # DWARF v5 split CU header.
  43         .long  CU_split_5_end-CU_split_5_version # Length of Unit
  44 CU_split_5_version:
  45         .short 5                # DWARF version number
  46         .byte 5                 # DWARF Unit Type
  47         .byte 8                 # Address Size (in bytes)
  48         .long 0 # Offset Into Abbrev. Section
  49         .quad 0x5a              # DWO ID
  50 # The split compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
  51         .byte 1
  52         .long .dwo_producer
  53         .byte 1
  54         .byte 0 # NULL
  55 CU_split_5_end:
  56
  57 # CHECK: 0x00000000: Compile Unit: length = 0x00000017, format = DWARF32, version = 0x0005, unit_type = DW_UT_split_compile, abbr_offset = 0x0000, addr_size = 0x08, DWO_id = 0x000000000000005a (next unit at 0x0000001b)
  58 # CHECK: 0x00000014: DW_TAG_compile_unit
  59 # CHECK-NEXT: DW_AT_producer    ("Handmade DWO producer")
  60 # CHECK-NEXT: DW_AT_name        ("V5_dwo_compile_unit")
  61 # PART2: warning: unexpected relocations for dwo section '.debug_info.dwo'
  62
  63 ## No warning, even if their names end with ".dwo".
  64         .section .rodata.dwo,"a"
  65         .long ext
  66         .section .foo.dwo,""
  67         .long .dwo_producer