test/tools/llvm-dwarfdump/X86/verify_unit_header_chain.s

   1 # RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o - \
   2 # RUN: | not llvm-dwarfdump -verify - \
   3 # RUN: | FileCheck %s
   4
   5 # CHECK: Verifying .debug_info Unit Header Chain...
   6 # CHECK-NEXT: error: Units[1] - start offset: 0x0000000d
   7 # CHECK-NEXT: note: The unit type encoding is not valid.
   8 # CHECK-NEXT: note: The address size is unsupported.
   9 # CHECK-NEXT: error: Units[2] - start offset: 0x00000026
  10 # CHECK-NEXT: note: The 16 bit unit header version is not valid.
  11 # CHECK-NEXT: note: The offset into the .debug_abbrev section is not valid.
  12 # CHECK-NEXT: error: Compilation unit root DIE is not a unit DIE: DW_TAG_null.
  13 # CHECK-NEXT: error: Compilation unit type (DW_UT_compile) and root DIE (DW_TAG_null) do not match.
  14 # CHECK-NEXT: error: Units[4] - start offset: 0x00000041
  15 # CHECK-NEXT: note: The length for this unit is too large for the .debug_info provided.
  16
  17         .section        __TEXT,__text,regular,pure_instructions
  18         .file   1 "basic.c"
  19         .comm   _i,4,2                  ## @i
  20         .comm   _j,4,2                  ## @j
  21         .section        __DWARF,__debug_str,regular,debug
  22 Linfo_string:
  23         .asciz  "clang version 5.0.0 (trunk 307232) (llvm/trunk 307042)" ## string offset=0
  24         .asciz  "basic.c"               ## string offset=55
  25         .asciz  "/Users/sgravani/Development/tests" ## string offset=63
  26         .asciz  "i"                     ## string offset=97
  27         .asciz  "int"                   ## string offset=99
  28         .asciz  "j"                     ## string offset=103
  29         .section        __DWARF,__debug_abbrev,regular,debug
  30 Lsection_abbrev:
  31         .byte   1                       ## Abbreviation Code
  32         .byte   17                      ## DW_TAG_compile_unit
  33         .byte   0                       ## EOM(1)
  34         .byte   0                       ## EOM(2)
  35         .byte   0                       ## EOM(3)
  36         .section        __DWARF,__debug_info,regular,debug
  37 Lsection_info:
  38 Lcu_begin0:
  39         .long   9                      ## Length of Unit
  40         .short  4                       ## DWARF version number
  41 Lset0 = Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section
  42         .long   Lset0
  43         .byte   4                       ## Address Size (in bytes)
  44         .byte   1                       ## Abbrev [1] 0xc:0x45 DW_TAG_compile_unit
  45         .byte   0                       ## End Of Children Mark
  46 Ltu_begin0:
  47         .long   21                      ## Length of Unit
  48         .short  5                       ## DWARF version number
  49         .byte   0                       ## DWARF Unit Type -- Error: The unit type encoding is not valid.
  50         .byte   3                       ## Address Size (in bytes) -- Error: The address size is unsupported.
  51         .long   0
  52         .quad   0
  53         .long   0
  54         .byte   0
  55 Lcu_begin1:
  56         .long   10                      ## Length of Unit
  57         .short  6                       ## DWARF version number -- Error: The 16 bit unit header version is not valid.
  58         .byte   1                       ## DWARF Unit Type
  59         .byte   4                       ## Address Size (in bytes) -- The offset into the .debug_abbrev section is not valid.
  60         .long   Lline_table_start0
  61         .byte   1                       ## Abbrev [1] 0xc:0x45 DW_TAG_compile_unit
  62         .byte   0                       ## End Of Children Mark
  63 Lcu_begin2:
  64         .long   9                      ## Length of Unit
  65         .short  5                       ## DWARF version number
  66         .byte   1                       ## DWARF Unit Type
  67         .byte   4                       ## Address Size (in bytes)
  68         .long   0                                               ## Abbrev offset
  69         .byte   0
  70 Ltu_begin1:
  71         .long   26                      ## Length of Unit -- Error: The length for this unit is too large for the .debug_info provided.
  72         .short  5                       ## DWARF version number
  73         .byte   2                       ## DWARF Unit Type
  74         .byte   4                       ## Address Size (in bytes)
  75         .long   0
  76         .quad   0
  77         .long   0
  78         .byte   0
  79
  80 .subsections_via_symbols
  81         .section        __DWARF,__debug_line,regular,debug
  82 Lsection_line:
  83 Lline_table_start0: