2017-07-19 02:40:50 +08:00
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# REQUIRES: x86
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2017-05-16 01:53:26 +08:00
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# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux -o %t %s
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# RUN: ld.lld --gdb-index --gc-sections -o %t2 %t
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2017-09-12 07:28:21 +08:00
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# RUN: llvm-dwarfdump -gdb-index %t2 | FileCheck %s
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2017-05-16 01:53:26 +08:00
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# CHECK: Address area offset = 0x28, has 1 entries:
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2019-09-16 15:05:34 +08:00
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# CHECK-NEXT: Low/High address = [0x201154, 0x201155) (Size: 0x1), CU id = 0
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2017-05-16 01:53:26 +08:00
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# Generated with: (clang r302976)
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# echo "void _start() {} void dead() {}" | \
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# clang -Os -g -S -ffunction-sections -o gdb-index-gc-sections.s -x c - -Xclang -fdebug-compilation-dir -Xclang .
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.text
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.file "-"
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.section .text._start,"ax",@progbits
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.globl _start
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.type _start,@function
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_start: # @_start
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.Lfunc_begin0:
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.file 1 "<stdin>"
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.loc 1 1 0 # <stdin>:1:0
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.cfi_startproc
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# BB#0: # %entry
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.loc 1 1 16 prologue_end # <stdin>:1:16
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retq
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.Ltmp0:
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.Lfunc_end0:
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.size _start, .Lfunc_end0-_start
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.cfi_endproc
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.section .text.dead,"ax",@progbits
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.globl dead
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.type dead,@function
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dead: # @dead
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.Lfunc_begin1:
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.loc 1 1 0 # <stdin>:1:0
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.cfi_startproc
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# BB#0: # %entry
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.loc 1 1 31 prologue_end # <stdin>:1:31
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retq
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.Ltmp1:
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.Lfunc_end1:
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.size dead, .Lfunc_end1-dead
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.cfi_endproc
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.section .debug_str,"MS",@progbits,1
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.Linfo_string0:
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.asciz "clang version 5.0.0 " # string offset=0
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.Linfo_string1:
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.asciz "-" # string offset=21
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.Linfo_string2:
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.asciz "." # string offset=23
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.Linfo_string3:
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.asciz "_start" # string offset=25
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.Linfo_string4:
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.asciz "dead" # string offset=32
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.section .debug_loc,"",@progbits
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.section .debug_abbrev,"",@progbits
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.byte 1 # Abbreviation Code
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.byte 17 # DW_TAG_compile_unit
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.byte 1 # DW_CHILDREN_yes
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.byte 37 # DW_AT_producer
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.byte 14 # DW_FORM_strp
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.byte 19 # DW_AT_language
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.byte 5 # DW_FORM_data2
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 16 # DW_AT_stmt_list
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.byte 23 # DW_FORM_sec_offset
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.byte 27 # DW_AT_comp_dir
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.byte 14 # DW_FORM_strp
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 85 # DW_AT_ranges
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.byte 23 # DW_FORM_sec_offset
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 2 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 0 # DW_CHILDREN_no
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 64 # DW_AT_frame_base
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.byte 24 # DW_FORM_exprloc
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 0 # EOM(3)
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.section .debug_info,"",@progbits
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.Lcu_begin0:
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.long 81 # Length of Unit
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.short 4 # DWARF version number
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.long .debug_abbrev # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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.byte 1 # Abbrev [1] 0xb:0x4a DW_TAG_compile_unit
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.long .Linfo_string0 # DW_AT_producer
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.short 12 # DW_AT_language
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.long .Linfo_string1 # DW_AT_name
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.long .Lline_table_start0 # DW_AT_stmt_list
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.long .Linfo_string2 # DW_AT_comp_dir
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.quad 0 # DW_AT_low_pc
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.long .Ldebug_ranges0 # DW_AT_ranges
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.byte 2 # Abbrev [2] 0x2a:0x15 DW_TAG_subprogram
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 87
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.long .Linfo_string3 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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# DW_AT_external
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.byte 2 # Abbrev [2] 0x3f:0x15 DW_TAG_subprogram
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.quad .Lfunc_begin1 # DW_AT_low_pc
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.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 87
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.long .Linfo_string4 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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# DW_AT_external
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.byte 0 # End Of Children Mark
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.section .debug_ranges,"",@progbits
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.Ldebug_ranges0:
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.quad .Lfunc_begin0
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.quad .Lfunc_end0
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.quad .Lfunc_begin1
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.quad .Lfunc_end1
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.quad 0
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.quad 0
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.section .debug_macinfo,"",@progbits
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.Lcu_macro_begin0:
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.byte 0 # End Of Macro List Mark
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.section .debug_pubnames,"",@progbits
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.long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info
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.LpubNames_begin0:
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.short 2 # DWARF Version
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.long .Lcu_begin0 # Offset of Compilation Unit Info
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.long 85 # Compilation Unit Length
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.long 42 # DIE offset
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.asciz "_start" # External Name
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.long 63 # DIE offset
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.asciz "dead" # External Name
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.long 0 # End Mark
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.LpubNames_end0:
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.ident "clang version 5.0.0 "
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.section ".note.GNU-stack","",@progbits
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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