| # 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 -debug-dump=gdb_index %t2 | FileCheck %s |
| |
| # CHECK: Address area offset = 0x28, has 1 entries: |
| # CHECK-NEXT: Low/High address = [0x201000, 0x201001) (Size: 0x1), CU id = 0 |
| |
| # Generated with: (clang r302976) |
| # echo "void _start() {} void dead() {}" | \ |
| # clang -Os -g -S -ffunction-sections -o gdb-index-gc-sections.s -x c - -Xclang -fdebug-compilation-dir -Xclang . |
| |
| .text |
| .file "-" |
| .section .text._start,"ax",@progbits |
| .globl _start |
| .type _start,@function |
| _start: # @_start |
| .Lfunc_begin0: |
| .file 1 "<stdin>" |
| .loc 1 1 0 # <stdin>:1:0 |
| .cfi_startproc |
| # BB#0: # %entry |
| .loc 1 1 16 prologue_end # <stdin>:1:16 |
| retq |
| .Ltmp0: |
| .Lfunc_end0: |
| .size _start, .Lfunc_end0-_start |
| .cfi_endproc |
| |
| .section .text.dead,"ax",@progbits |
| .globl dead |
| .type dead,@function |
| dead: # @dead |
| .Lfunc_begin1: |
| .loc 1 1 0 # <stdin>:1:0 |
| .cfi_startproc |
| # BB#0: # %entry |
| .loc 1 1 31 prologue_end # <stdin>:1:31 |
| retq |
| .Ltmp1: |
| .Lfunc_end1: |
| .size dead, .Lfunc_end1-dead |
| .cfi_endproc |
| |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 5.0.0 " # string offset=0 |
| .Linfo_string1: |
| .asciz "-" # string offset=21 |
| .Linfo_string2: |
| .asciz "." # string offset=23 |
| .Linfo_string3: |
| .asciz "_start" # string offset=25 |
| .Linfo_string4: |
| .asciz "dead" # string offset=32 |
| .section .debug_loc,"",@progbits |
| .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 85 # DW_AT_ranges |
| .byte 23 # DW_FORM_sec_offset |
| .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 |
| .Lcu_begin0: |
| .long 81 # 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:0x4a DW_TAG_compile_unit |
| .long .Linfo_string0 # DW_AT_producer |
| .short 12 # DW_AT_language |
| .long .Linfo_string1 # DW_AT_name |
| .long .Lline_table_start0 # DW_AT_stmt_list |
| .long .Linfo_string2 # DW_AT_comp_dir |
| .quad 0 # DW_AT_low_pc |
| .long .Ldebug_ranges0 # DW_AT_ranges |
| .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 .Linfo_string3 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| # DW_AT_external |
| .byte 2 # Abbrev [2] 0x3f:0x15 DW_TAG_subprogram |
| .quad .Lfunc_begin1 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 87 |
| .long .Linfo_string4 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| # DW_AT_external |
| .byte 0 # End Of Children Mark |
| .section .debug_ranges,"",@progbits |
| .Ldebug_ranges0: |
| .quad .Lfunc_begin0 |
| .quad .Lfunc_end0 |
| .quad .Lfunc_begin1 |
| .quad .Lfunc_end1 |
| .quad 0 |
| .quad 0 |
| .section .debug_macinfo,"",@progbits |
| .Lcu_macro_begin0: |
| .byte 0 # End Of Macro List Mark |
| .section .debug_pubnames,"",@progbits |
| .long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info |
| .LpubNames_begin0: |
| .short 2 # DWARF Version |
| .long .Lcu_begin0 # Offset of Compilation Unit Info |
| .long 85 # Compilation Unit Length |
| .long 42 # DIE offset |
| .asciz "_start" # External Name |
| .long 63 # DIE offset |
| .asciz "dead" # External Name |
| .long 0 # End Mark |
| .LpubNames_end0: |
| |
| .ident "clang version 5.0.0 " |
| .section ".note.GNU-stack","",@progbits |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |
