test/DebugInfo/X86/dwarfdump-header-64.s

   1 # Test object to verify dwarfdump handles a DWARF-64 v5 line header.
   2 # FIXME: Make the other headers DWARF-64 also.
   3 # FIXME: Add variants for earlier DWARF versions.
   4
   5 # RUN: llvm-mc -triple x86_64-unknown-linux --defsym ELF=0 \
   6 # RUN:     -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
   7
   8 # RUN: llvm-mc -triple x86_64-apple-darwin --defsym MACHO=0 \
   9 # RUN:     -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
  10
  11 .ifdef ELF
  12         .section .debug_str,"MS",@progbits,1
  13 .endif
  14 .ifdef MACHO
  15         .section __DWARF,__debug_str,regular,debug
  16 .endif
  17 str_producer:
  18         .asciz  "Handmade DWARF producer"
  19 str_CU_5:
  20         .asciz  "V5_compile_unit"
  21 str_LT_5a:
  22         .asciz  "Directory5a"
  23 str_LT_5b:
  24         .asciz  "Directory5b"
  25
  26 .ifdef ELF
  27         .section .debug_abbrev,"",@progbits
  28 .endif
  29 .ifdef MACHO
  30         .section __DWARF,__debug_abbrev,regular,debug
  31 .endif
  32 abbrev:
  33         .byte   0x01    # Abbrev code
  34         .byte   0x11    # DW_TAG_compile_unit
  35         .byte   0x00    # DW_CHILDREN_no
  36         .byte   0x25    # DW_AT_producer
  37         .byte   0x0e    # DW_FORM_strp
  38         .byte   0x03    # DW_AT_name
  39         .byte   0x0e    # DW_FORM_strp
  40         .byte   0x10    # DW_AT_stmt_list
  41         .byte   0x17    # DW_FORM_sec_offset
  42         .byte   0x00    # EOM(1)
  43         .byte   0x00    # EOM(2)
  44
  45 .ifdef ELF
  46         .section .debug_info,"",@progbits
  47 .endif
  48 .ifdef MACHO
  49         .section __DWARF,__debug_info,regular,debug
  50 .endif
  51
  52 # DWARF-32 v5 normal CU header.
  53 Lset0 = CU_5_end-CU_5_version   # Length of Unit
  54         .long   Lset0
  55 CU_5_version:
  56         .short  5               # DWARF version number
  57         .byte   1               # DWARF Unit Type
  58         .byte   8               # Address Size (in bytes)
  59 .ifdef ELF
  60         .long   abbrev          # Offset Into Abbrev. Section
  61 .endif
  62 .ifdef MACHO
  63         .long   0
  64 .endif
  65 # The compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
  66         .byte   1
  67         .long   str_producer
  68         .long   str_CU_5
  69 .ifdef ELF
  70         .long   LH_5_start
  71 .endif
  72 .ifdef MACHO
  73         .long   0
  74 .endif
  75         .byte   0 # NULL
  76 CU_5_end:
  77
  78 # CHECK-LABEL: .debug_info contents:
  79 # CHECK: 0x00000000: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000001a)
  80 # CHECK: 0x0000000c: DW_TAG_compile_unit
  81 # CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWARF producer"
  82 # CHECK-NEXT: DW_AT_name {{.*}} "V5_compile_unit"
  83 # CHECK-NEXT: DW_AT_stmt_list {{.*}} (0x00000000)
  84
  85 .ifdef ELF
  86         .section .debug_line,"",@progbits
  87 .endif
  88 .ifdef MACHO
  89         .section __DWARF,__debug_line,regular,debug
  90 .endif
  91
  92 # DWARF-64 v5 line-table header.
  93 LH_5_start:
  94         .long   -1
  95 Lset1 = LH_5_end-LH_5_version   # Length of Unit
  96         .quad   Lset1
  97 LH_5_version:
  98         .short  5               # DWARF version number
  99         .byte   8               # Address Size
 100         .byte   0               # Segment Selector Size
 101 Lset2 = LH_5_header_end-LH_5_params     # Length of Prologue
 102         .quad   Lset2
 103 LH_5_params:
 104         .byte   1               # Minimum Instruction Length
 105         .byte   1               # Maximum Operations per Instruction
 106         .byte   1               # Default is_stmt
 107         .byte   -5              # Line Base
 108         .byte   14              # Line Range
 109         .byte   13              # Opcode Base
 110         .byte   0               # Standard Opcode Lengths
 111         .byte   1
 112         .byte   1
 113         .byte   1
 114         .byte   1
 115         .byte   0
 116         .byte   0
 117         .byte   0
 118         .byte   1
 119         .byte   0
 120         .byte   0
 121         .byte   1
 122         # Directory table format
 123         .byte   1               # One element per directory entry
 124         .byte   1               # DW_LNCT_path
 125         .byte   0x0e            # DW_FORM_strp (-> .debug_str)
 126         # Directory table entries
 127         .byte   2               # Two directories
 128         .quad   str_LT_5a
 129         .quad   str_LT_5b
 130         # File table format
 131         .byte   4               # Four elements per file entry
 132         .byte   1               # DW_LNCT_path
 133         .byte   0x08            # DW_FORM_string
 134         .byte   2               # DW_LNCT_directory_index
 135         .byte   0x0b            # DW_FORM_data1
 136         .byte   3               # DW_LNCT_timestamp
 137         .byte   0x0f            # DW_FORM_udata
 138         .byte   4               # DW_LNCT_size
 139         .byte   0x0f            # DW_FORM_udata
 140         # File table entries
 141         .byte   2               # Two files
 142         .asciz "File5a"
 143         .byte   0
 144         .byte   0x51
 145         .byte   0x52
 146         .asciz "File5b"
 147         .byte   1
 148         .byte   0x53
 149         .byte   0x54
 150 LH_5_header_end:
 151         # Line number program, which is empty.
 152 LH_5_end:
 153
 154 # CHECK-LABEL: .debug_line contents:
 155 # CHECK: Line table prologue:
 156 # CHECK: total_length: 0x00000050
 157 # CHECK: version: 5
 158 # CHECK: address_size: 8
 159 # CHECK: seg_select_size: 0
 160 # CHECK: prologue_length: 0x00000044
 161 # CHECK: max_ops_per_inst: 1
 162 # CHECK: include_directories[  0] = .debug_str[0x00000028] = "Directory5a"
 163 # CHECK: include_directories[  1] = .debug_str[0x00000034] = "Directory5b"
 164 # CHECK-NOT: include_directories
 165 # CHECK: file_names[  0]:
 166 # CHECK-NEXT: name: "File5a"
 167 # CHECK-NEXT: dir_index: 0
 168 # CHECK-NEXT: mod_time: 0x00000051
 169 # CHECK-NEXT: length: 0x00000052
 170 # CHECK: file_names[  1]:
 171 # CHECK-NEXT: name: "File5b"
 172 # CHECK-NEXT: dir_index: 1
 173 # CHECK-NEXT: mod_time: 0x00000053
 174 # CHECK-NEXT: length: 0x00000054
 175 # CHECK-NOT: file_names