llvm/llvm/test/DebugInfo/X86/dwarfdump-line-only.s

# Test object to verify dwarfdump handles dumping a DWARF v5 line table
# without an associated unit.
#
# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o - | \
# RUN: llvm-dwarfdump -v - | FileCheck %s

        .section .text
        # Dummy function
foo:    ret

        .section .debug_line,"",@progbits
# CHECK-LABEL: .debug_line contents:

# DWARF v5 line-table header.
LH_5_start:
        .long   LH_5_end-LH_5_version   # Length of Unit (DWARF-32 format)
LH_5_version:
        .short  5               # DWARF version number
        .byte   8               # Address Size
        .byte   0               # Segment Selector Size
        .long   LH_5_header_end-LH_5_params     # Length of Prologue
LH_5_params:
        .byte   1               # Minimum Instruction Length
        .byte   1               # Maximum Operations per Instruction
        .byte   1               # Default is_stmt
        .byte   -5              # Line Base
        .byte   14              # Line Range
        .byte   13              # Opcode Base
        .byte   0               # Standard Opcode Lengths
        .byte   1
        .byte   1
        .byte   1
        .byte   1
        .byte   0
        .byte   0
        .byte   0
        .byte   1
        .byte   0
        .byte   0
        .byte   1
        # Directory table format
        .byte   1               # One element per directory entry
        .byte   1               # DW_LNCT_path
        .byte   0x0e            # DW_FORM_strp (-> .debug_str)
        # Directory table entries
        .byte   2               # Two directory entries
        .long   str_D1
        .long   str_D2
        # File table format
        .byte   4               # Four elements per file entry
        .byte   2               # DW_LNCT_directory_index
        .byte   0x0b            # DW_FORM_data1
        .byte   1               # DW_LNCT_path
        .byte   0x1f            # DW_FORM_line_strp (-> .debug_line_str)
        .byte   3               # DW_LNCT_timestamp
        .byte   0x0f            # DW_FORM_udata
        .byte   4               # DW_LNCT_size
        .byte   0x0f            # DW_FORM_udata
        # File table entries
        .byte   2               # Two file entries
        .byte   1
        .long   ls_F1
        .byte   0x51
        .byte   0x52
        .byte   0
        .long   ls_F2
        .byte   0x53
        .byte   0x54
LH_5_header_end:
        # Minimal line number program with an address in it, which shows
        # we picked up the address size from the line-table header.
        .byte   0
        .byte   9
        .byte   2               # DW_LNE_set_address
        .quad   .text
        .byte   0
        .byte   1
        .byte   1               # DW_LNE_end_sequence
LH_5_end:

        .section .debug_str,"MS",@progbits,1
str_D1: .asciz  "Directory1"
str_D2: .asciz  "Directory2"

        .section .debug_line_str,"MS",@progbits,1
ls_F1:  .asciz "File1"
ls_F2:  .asciz "File2"

# CHECK: Line table prologue:
# CHECK: version: 5
# CHECK: address_size: 8
# CHECK: seg_select_size: 0
# CHECK: max_ops_per_inst: 1
# CHECK: include_directories[  0] = .debug_str[0x00000000] = "Directory1"
# CHECK: include_directories[  1] = .debug_str[0x0000000b] = "Directory2"
# CHECK-NOT: include_directories
# CHECK: file_names[  0]:
# CHECK-NEXT: name: .debug_line_str[0x00000000] = "File1"
# CHECK-NEXT: dir_index: 1
# CHECK-NEXT: mod_time: 0x00000051
# CHECK-NEXT: length: 0x00000052
# CHECK: file_names[  1]:
# CHECK-NEXT: name: .debug_line_str[0x00000006] = "File2"
# CHECK-NEXT: dir_index: 0
# CHECK-NEXT: mod_time: 0x00000053
# CHECK-NEXT: length: 0x00000054
# CHECK-NOT: file_names
# CHECK: 0x0000000000000000 {{.*}} is_stmt end_sequence