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# 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 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:
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