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chromium / external / github.com / llvm / llvm-project.git / a47957ab130122f874548315aec198b7d1005fb9 / . / lld / test / ELF / gdb-index-gc-sections.s
blob: 6016e9ccdd07fef57cb949f4c33b3496d1d25e48 [file] [log] [blame]
Jon Chesterfielde0ca2ff2017-07-18 18:40:50[diff] [blame]1# REQUIRES: x86
Peter Collingbournec5bee322017-05-15 17:53:26[diff] [blame]2# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux -o %t %s
3# RUN: ld.lld --gdb-index --gc-sections -o %t2 %t
Adrian Prantl65b79a52017-09-11 23:28:21[diff] [blame]4# RUN: llvm-dwarfdump -gdb-index %t2 | FileCheck %s
Peter Collingbournec5bee322017-05-15 17:53:26[diff] [blame]5
6# CHECK: Address area offset = 0x28, has 1 entries:
7# CHECK-NEXT: Low/High address = [0x201000, 0x201001) (Size: 0x1), CU id = 0
8
9# Generated with: (clang r302976)
10# echo "void _start() {} void dead() {}" | \
11# clang -Os -g -S -ffunction-sections -o gdb-index-gc-sections.s -x c - -Xclang -fdebug-compilation-dir -Xclang .
12
13 .text
14 .file "-"
15 .section .text._start,"ax",@progbits
16 .globl _start
17 .type _start,@function
18_start: # @_start
19.Lfunc_begin0:
20 .file 1 "<stdin>"
21 .loc 1 1 0 # <stdin>:1:0
22 .cfi_startproc
23# BB#0: # %entry
24 .loc 1 1 16 prologue_end # <stdin>:1:16
25 retq
26.Ltmp0:
27.Lfunc_end0:
28 .size _start, .Lfunc_end0-_start
29 .cfi_endproc
30
31 .section .text.dead,"ax",@progbits
32 .globl dead
33 .type dead,@function
34dead: # @dead
35.Lfunc_begin1:
36 .loc 1 1 0 # <stdin>:1:0
37 .cfi_startproc
38# BB#0: # %entry
39 .loc 1 1 31 prologue_end # <stdin>:1:31
40 retq
41.Ltmp1:
42.Lfunc_end1:
43 .size dead, .Lfunc_end1-dead
44 .cfi_endproc
45
46 .section .debug_str,"MS",@progbits,1
47.Linfo_string0:
48 .asciz "clang version 5.0.0 " # string offset=0
49.Linfo_string1:
50 .asciz "-" # string offset=21
51.Linfo_string2:
52 .asciz "." # string offset=23
53.Linfo_string3:
54 .asciz "_start" # string offset=25
55.Linfo_string4:
56 .asciz "dead" # string offset=32
57 .section .debug_loc,"",@progbits
58 .section .debug_abbrev,"",@progbits
59 .byte 1 # Abbreviation Code
60 .byte 17 # DW_TAG_compile_unit
61 .byte 1 # DW_CHILDREN_yes
62 .byte 37 # DW_AT_producer
63 .byte 14 # DW_FORM_strp
64 .byte 19 # DW_AT_language
65 .byte 5 # DW_FORM_data2
66 .byte 3 # DW_AT_name
67 .byte 14 # DW_FORM_strp
68 .byte 16 # DW_AT_stmt_list
69 .byte 23 # DW_FORM_sec_offset
70 .byte 27 # DW_AT_comp_dir
71 .byte 14 # DW_FORM_strp
72 .byte 17 # DW_AT_low_pc
73 .byte 1 # DW_FORM_addr
74 .byte 85 # DW_AT_ranges
75 .byte 23 # DW_FORM_sec_offset
76 .byte 0 # EOM(1)
77 .byte 0 # EOM(2)
78 .byte 2 # Abbreviation Code
79 .byte 46 # DW_TAG_subprogram
80 .byte 0 # DW_CHILDREN_no
81 .byte 17 # DW_AT_low_pc
82 .byte 1 # DW_FORM_addr
83 .byte 18 # DW_AT_high_pc
84 .byte 6 # DW_FORM_data4
85 .byte 64 # DW_AT_frame_base
86 .byte 24 # DW_FORM_exprloc
87 .byte 3 # DW_AT_name
88 .byte 14 # DW_FORM_strp
89 .byte 58 # DW_AT_decl_file
90 .byte 11 # DW_FORM_data1
91 .byte 59 # DW_AT_decl_line
92 .byte 11 # DW_FORM_data1
93 .byte 63 # DW_AT_external
94 .byte 25 # DW_FORM_flag_present
95 .byte 0 # EOM(1)
96 .byte 0 # EOM(2)
97 .byte 0 # EOM(3)
98 .section .debug_info,"",@progbits
99.Lcu_begin0:
100 .long 81 # Length of Unit
101 .short 4 # DWARF version number
102 .long .debug_abbrev # Offset Into Abbrev. Section
103 .byte 8 # Address Size (in bytes)
104 .byte 1 # Abbrev [1] 0xb:0x4a DW_TAG_compile_unit
105 .long .Linfo_string0 # DW_AT_producer
106 .short 12 # DW_AT_language
107 .long .Linfo_string1 # DW_AT_name
108 .long .Lline_table_start0 # DW_AT_stmt_list
109 .long .Linfo_string2 # DW_AT_comp_dir
110 .quad 0 # DW_AT_low_pc
111 .long .Ldebug_ranges0 # DW_AT_ranges
112 .byte 2 # Abbrev [2] 0x2a:0x15 DW_TAG_subprogram
113 .quad .Lfunc_begin0 # DW_AT_low_pc
114 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
115 .byte 1 # DW_AT_frame_base
116 .byte 87
117 .long .Linfo_string3 # DW_AT_name
118 .byte 1 # DW_AT_decl_file
119 .byte 1 # DW_AT_decl_line
120 # DW_AT_external
121 .byte 2 # Abbrev [2] 0x3f:0x15 DW_TAG_subprogram
122 .quad .Lfunc_begin1 # DW_AT_low_pc
123 .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
124 .byte 1 # DW_AT_frame_base
125 .byte 87
126 .long .Linfo_string4 # DW_AT_name
127 .byte 1 # DW_AT_decl_file
128 .byte 1 # DW_AT_decl_line
129 # DW_AT_external
130 .byte 0 # End Of Children Mark
131 .section .debug_ranges,"",@progbits
132.Ldebug_ranges0:
133 .quad .Lfunc_begin0
134 .quad .Lfunc_end0
135 .quad .Lfunc_begin1
136 .quad .Lfunc_end1
137 .quad 0
138 .quad 0
139 .section .debug_macinfo,"",@progbits
140.Lcu_macro_begin0:
141 .byte 0 # End Of Macro List Mark
142 .section .debug_pubnames,"",@progbits
143 .long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info
144.LpubNames_begin0:
145 .short 2 # DWARF Version
146 .long .Lcu_begin0 # Offset of Compilation Unit Info
147 .long 85 # Compilation Unit Length
148 .long 42 # DIE offset
149 .asciz "_start" # External Name
150 .long 63 # DIE offset
151 .asciz "dead" # External Name
152 .long 0 # End Mark
153.LpubNames_end0:
154
155 .ident "clang version 5.0.0 "
156 .section ".note.GNU-stack","",@progbits
157 .section .debug_line,"",@progbits
158.Lline_table_start0: