lld/test/ELF/debug-names-die-offset-form-flag-present.s

   1 # This file was generated by:
   2 # clang++ -g -O0 -S -fdebug-compilation-dir='/proc/self/cwd' -gpubnames a.cpp
   3
   4 # Then manually changing the first .debug_names abbrev, so that the
   5 # DW_IDX_die_offset uses DW_FORM_flag_present (invalid) & the DW_IDX_parent
   6 # uses DW_FORM_ref4. Also updated the sizes of the values in the entry
   7 # that uses the abbrev, to match the sizes of the forms.
   8
   9 # Contents of a.cpp
  10 # int main (int argc, char **argv) { }
  11
  12 # REQUIRES: x86
  13 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t1.o
  14 # RUN: not ld.lld --debug-names %t1.o -o /dev/null 2>&1 \
  15 # RUN:   | FileCheck -DFILE=%t1.o --implicit-check-not=error: %s
  16
  17 # CHECK: error: [[FILE]]:(.debug_names): unrecognized form encoding 25 in abbrev table
  18
  19         .text
  20         .globl  main                            # -- Begin function main
  21         .p2align        4, 0x90
  22         .type   main,@function
  23 main:                                   # @main
  24 .Lfunc_begin0:
  25         .cfi_startproc
  26 # %bb.0:                                # %entry
  27         pushq   %rbp
  28         .cfi_def_cfa_offset 16
  29         .cfi_offset %rbp, -16
  30         movq    %rsp, %rbp
  31         .cfi_def_cfa_register %rbp
  32         movl    %edi, -4(%rbp)
  33         movq    %rsi, -16(%rbp)
  34 .Ltmp0:
  35         xorl    %eax, %eax
  36         popq    %rbp
  37         .cfi_def_cfa %rsp, 8
  38         retq
  39 .Ltmp1:
  40 .Lfunc_end0:
  41         .size   main, .Lfunc_end0-main
  42         .cfi_endproc
  43                                         # -- End function
  44         .section        .debug_abbrev,"",@progbits
  45         .byte   0                               # EOM(1)
  46         .byte   0                               # EOM(2)
  47         .byte   0                               # EOM(3)
  48         .section        .debug_info,"",@progbits
  49 .Lcu_begin0:
  50         .long   .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
  51 .Ldebug_info_start0:
  52         .short  5                               # DWARF version number
  53         .byte   1                               # DWARF Unit Type
  54         .byte   8                               # Address Size (in bytes)
  55         .long   .debug_abbrev                   # Offset Into Abbrev. Section
  56 .Ldebug_info_end0:
  57         .section        .debug_str_offsets,"",@progbits
  58         .long   36                              # Length of String Offsets Set
  59         .short  5
  60         .short  0
  61 .Lstr_offsets_base0:
  62         .section        .debug_str,"MS",@progbits,1
  63 .Linfo_string0:
  64         .asciz  "clang version 19.0.0git (git@github.com:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)" # string offset=0
  65 .Linfo_string1:
  66         .asciz  "a.cpp"                         # string offset=104
  67 .Linfo_string2:
  68         .asciz  "/proc/self/cwd"                # string offset=110
  69 .Linfo_string3:
  70         .asciz  "main"                          # string offset=125
  71 .Linfo_string4:
  72         .asciz  "int"                           # string offset=130
  73 .Linfo_string5:
  74         .asciz  "argc"                          # string offset=134
  75 .Linfo_string6:
  76         .asciz  "argv"                          # string offset=139
  77 .Linfo_string7:
  78         .asciz  "char"                          # string offset=144
  79 .Laddr_table_base0:
  80         .quad   .Lfunc_begin0
  81 .Ldebug_addr_end0:
  82         .section        .debug_names,"",@progbits
  83         .long   .Lnames_end0-.Lnames_start0     # Header: unit length
  84 .Lnames_start0:
  85         .short  5                               # Header: version
  86         .short  0                               # Header: padding
  87         .long   1                               # Header: compilation unit count
  88         .long   0                               # Header: local type unit count
  89         .long   0                               # Header: foreign type unit count
  90         .long   3                               # Header: bucket count
  91         .long   3                               # Header: name count
  92         .long   .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
  93         .long   8                               # Header: augmentation string size
  94         .ascii  "LLVM0700"                      # Header: augmentation string
  95         .long   .Lcu_begin0                     # Compilation unit 0
  96         .long   0                               # Bucket 0
  97         .long   1                               # Bucket 1
  98         .long   2                               # Bucket 2
  99         .long   2090499946                      # Hash in Bucket 1
 100         .long   193495088                       # Hash in Bucket 2
 101         .long   2090147939                      # Hash in Bucket 2
 102         .long   .Linfo_string3                  # String in Bucket 1: main
 103         .long   .Linfo_string4                  # String in Bucket 2: int
 104         .long   .Linfo_string7                  # String in Bucket 2: char
 105         .long   .Lnames0-.Lnames_entries0       # Offset in Bucket 1
 106         .long   .Lnames1-.Lnames_entries0       # Offset in Bucket 2
 107         .long   .Lnames2-.Lnames_entries0       # Offset in Bucket 2
 108 .Lnames_abbrev_start0:
 109         .byte   1                               # Abbrev code
 110         .byte   46                              # DW_TAG_subprogram
 111         .byte   3                               # DW_IDX_die_offset
 112         .byte   25                              # DW_FORM_flag_present
 113         .byte   4                               # DW_IDX_parent
 114         .byte   19                              # DW_FORM_ref4
 115         .byte   0                               # End of abbrev
 116         .byte   0                               # End of abbrev
 117         .byte   2                               # Abbrev code
 118         .byte   36                              # DW_TAG_base_type
 119         .byte   3                               # DW_IDX_die_offset
 120         .byte   19                              # DW_FORM_ref4
 121         .byte   4                               # DW_IDX_parent
 122         .byte   25                              # DW_FORM_flag_present
 123         .byte   0                               # End of abbrev
 124         .byte   0                               # End of abbrev
 125         .byte   0                               # End of abbrev list
 126 .Lnames_abbrev_end0:
 127 .Lnames_entries0:
 128 .Lnames0:
 129 .L1:
 130         .byte   1                               # Abbreviation code
 131         .byte   35                              # DW_IDX_die_offset
 132         .long   0                               # DW_IDX_parent
 133                                         # End of list: main
 134 .Lnames1:
 135 .L0:
 136         .byte   2                               # Abbreviation code
 137         .long   73                              # DW_IDX_die_offset
 138         .byte   0                               # DW_IDX_parent
 139                                         # End of list: int
 140 .Lnames2:
 141 .L2:
 142         .byte   2                               # Abbreviation code
 143         .long   87                              # DW_IDX_die_offset
 144         .byte   0                               # DW_IDX_parent
 145                                         # End of list: char
 146         .p2align        2, 0x0
 147 .Lnames_end0:
 148         .ident  "clang version 19.0.0git (git@github.com:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)"
 149         .section        ".note.GNU-stack","",@progbits
 150         .addrsig
 151         .section        .debug_line,"",@progbits
 152 .Lline_table_start0: