| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux -o %t %s |
| # RUN: ld.lld --gdb-index --gc-sections -o %t2 %t |
| # RUN: llvm-dwarfdump -gdb-index %t2 | FileCheck %s |
| |
| # CHECK: Address area offset = 0x28, has 0 entries: |
| |
| # Generated with: (clang r302976) |
| # echo "void _start() { __builtin_unreachable(); }" | \ |
| # clang -Os -g -S -o gdb-index-empty.s -x c - -Xclang -fdebug-compilation-dir -Xclang . |
| |
| .text |
| .globl _start |
| .type _start,@function |
| _start: |
| .Lfunc_begin0: |
| .Lfunc_end0: |
| |
| .section .debug_abbrev,"",@progbits |
| .byte 1 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 1 # DW_CHILDREN_yes |
| .byte 37 # DW_AT_producer |
| .byte 14 # DW_FORM_strp |
| .byte 19 # DW_AT_language |
| .byte 5 # DW_FORM_data2 |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .byte 27 # DW_AT_comp_dir |
| .byte 14 # DW_FORM_strp |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 2 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 0 # DW_CHILDREN_no |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 64 # DW_AT_frame_base |
| .byte 24 # DW_FORM_exprloc |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 63 # DW_AT_external |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 0 # EOM(3) |
| |
| .section .debug_info,"",@progbits |
| .long 60 # Length of Unit |
| .short 4 # DWARF version number |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .byte 1 # Abbrev [1] 0xb:0x35 DW_TAG_compile_unit |
| .long 0 # DW_AT_producer |
| .short 12 # DW_AT_language |
| .long 0 # DW_AT_name |
| .long 0 # DW_AT_stmt_list |
| .long 0 # DW_AT_comp_dir |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 2 # Abbrev [2] 0x2a:0x15 DW_TAG_subprogram |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 87 |
| .long 0 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .byte 0 # End Of Children Mark |
