| Peter Collingbourne | 0a2678e | 2017-05-15 17:59:21 +0000 | [diff] [blame] | 1 | # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux -o %t %s |
| 2 | # RUN: ld.lld --gdb-index --gc-sections -o %t2 %t |
| 3 | # RUN: llvm-dwarfdump -debug-dump=gdb_index %t2 | FileCheck %s |
| 4 | |
| 5 | # CHECK: Address area offset = 0x28, has 0 entries: |
| 6 | |
| 7 | # Generated with: (clang r302976) |
| 8 | # echo "void _start() { __builtin_unreachable(); }" | \ |
| 9 | # clang -Os -g -S -o gdb-index-empty.s -x c - -Xclang -fdebug-compilation-dir -Xclang . |
| 10 | |
| George Rimar | adaba7a | 2017-06-09 13:30:36 +0000 | [diff] [blame^] | 11 | .text |
| 12 | .globl _start |
| 13 | .type _start,@function |
| 14 | _start: |
| Peter Collingbourne | 0a2678e | 2017-05-15 17:59:21 +0000 | [diff] [blame] | 15 | .Lfunc_begin0: |
| Peter Collingbourne | 0a2678e | 2017-05-15 17:59:21 +0000 | [diff] [blame] | 16 | .Lfunc_end0: |
| Peter Collingbourne | 0a2678e | 2017-05-15 17:59:21 +0000 | [diff] [blame] | 17 | |
| George Rimar | adaba7a | 2017-06-09 13:30:36 +0000 | [diff] [blame^] | 18 | .section .debug_abbrev,"",@progbits |
| 19 | .byte 1 # Abbreviation Code |
| 20 | .byte 17 # DW_TAG_compile_unit |
| 21 | .byte 1 # DW_CHILDREN_yes |
| 22 | .byte 37 # DW_AT_producer |
| 23 | .byte 14 # DW_FORM_strp |
| 24 | .byte 19 # DW_AT_language |
| 25 | .byte 5 # DW_FORM_data2 |
| 26 | .byte 3 # DW_AT_name |
| 27 | .byte 14 # DW_FORM_strp |
| 28 | .byte 16 # DW_AT_stmt_list |
| 29 | .byte 23 # DW_FORM_sec_offset |
| 30 | .byte 27 # DW_AT_comp_dir |
| 31 | .byte 14 # DW_FORM_strp |
| 32 | .byte 17 # DW_AT_low_pc |
| 33 | .byte 1 # DW_FORM_addr |
| 34 | .byte 18 # DW_AT_high_pc |
| 35 | .byte 6 # DW_FORM_data4 |
| 36 | .byte 0 # EOM(1) |
| 37 | .byte 0 # EOM(2) |
| 38 | .byte 2 # Abbreviation Code |
| 39 | .byte 46 # DW_TAG_subprogram |
| 40 | .byte 0 # DW_CHILDREN_no |
| 41 | .byte 17 # DW_AT_low_pc |
| 42 | .byte 1 # DW_FORM_addr |
| 43 | .byte 18 # DW_AT_high_pc |
| 44 | .byte 6 # DW_FORM_data4 |
| 45 | .byte 64 # DW_AT_frame_base |
| 46 | .byte 24 # DW_FORM_exprloc |
| 47 | .byte 3 # DW_AT_name |
| 48 | .byte 14 # DW_FORM_strp |
| 49 | .byte 58 # DW_AT_decl_file |
| 50 | .byte 11 # DW_FORM_data1 |
| 51 | .byte 59 # DW_AT_decl_line |
| 52 | .byte 11 # DW_FORM_data1 |
| 53 | .byte 63 # DW_AT_external |
| 54 | .byte 25 # DW_FORM_flag_present |
| 55 | .byte 0 # EOM(1) |
| 56 | .byte 0 # EOM(2) |
| 57 | .byte 0 # EOM(3) |
| Peter Collingbourne | 0a2678e | 2017-05-15 17:59:21 +0000 | [diff] [blame] | 58 | |
| George Rimar | adaba7a | 2017-06-09 13:30:36 +0000 | [diff] [blame^] | 59 | .section .debug_info,"",@progbits |
| 60 | .long 60 # Length of Unit |
| 61 | .short 4 # DWARF version number |
| 62 | .long .debug_abbrev # Offset Into Abbrev. Section |
| 63 | .byte 8 # Address Size (in bytes) |
| 64 | .byte 1 # Abbrev [1] 0xb:0x35 DW_TAG_compile_unit |
| 65 | .long 0 # DW_AT_producer |
| 66 | .short 12 # DW_AT_language |
| 67 | .long 0 # DW_AT_name |
| 68 | .long 0 # DW_AT_stmt_list |
| 69 | .long 0 # DW_AT_comp_dir |
| 70 | .quad .Lfunc_begin0 # DW_AT_low_pc |
| 71 | .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| 72 | .byte 2 # Abbrev [2] 0x2a:0x15 DW_TAG_subprogram |
| 73 | .quad .Lfunc_begin0 # DW_AT_low_pc |
| 74 | .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| 75 | .byte 1 # DW_AT_frame_base |
| 76 | .byte 87 |
| 77 | .long 0 # DW_AT_name |
| 78 | .byte 1 # DW_AT_decl_file |
| 79 | .byte 1 # DW_AT_decl_line |
| 80 | .byte 0 # End Of Children Mark |