1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
| # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | \
# RUN: llvm-dwarfdump -find=foobar - | FileCheck %s
# CHECK: DW_TAG_variable
# CHECK-NEXT: DW_AT_name ("foobar")
.text
.file "<stdin>"
.file 1 "/tmp/cu1.c"
.type foobar,@object # @foobar
.comm foobar,8,8
.section .debug_str,"MS",@progbits,1
.Lskel_string0:
.asciz "foo.dwo" # string offset=0
.Lskel_string1:
.asciz "/tmp" # string offset=8
.Lskel_string2:
.asciz "foobar" # string offset=13
.section .debug_loc.dwo,"",@progbits
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.ascii "\260B" # DW_AT_GNU_dwo_name
.byte 14 # DW_FORM_strp
.byte 27 # DW_AT_comp_dir
.byte 14 # DW_FORM_strp
.ascii "\261B" # DW_AT_GNU_dwo_id
.byte 7 # DW_FORM_data8
.ascii "\263B" # DW_AT_GNU_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long 32 # 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:0x19 DW_TAG_compile_unit
.long 0 # DW_AT_stmt_list
.long .Lskel_string0 # DW_AT_GNU_dwo_name
.long .Lskel_string1 # DW_AT_comp_dir
.quad -1328675031687321003 # DW_AT_GNU_dwo_id
.long .debug_addr # DW_AT_GNU_addr_base
.section .debug_ranges,"",@progbits
.section .debug_macinfo,"",@progbits
.byte 0 # End Of Macro List Mark
.section .debug_str.dwo,"MS",@progbits,1
.Linfo_string0:
.asciz "foo.dwo" # string offset=0
.Linfo_string1:
.asciz "clang version 7.0.0 (trunk 325496) (llvm/trunk 325732)" # string offset=8
.Linfo_string2:
.asciz "/tmp/cu1.c" # string offset=63
.Linfo_string3:
.asciz "foobar" # string offset=74
.section .debug_str_offsets.dwo,"",@progbits
.long 0
.long 8
.long 63
.long 74
.section .debug_info.dwo,"",@progbits
.long 34 # Length of Unit
.short 4 # DWARF version number
.long 0 # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x1b DW_TAG_compile_unit
.byte 0 # DW_AT_GNU_dwo_name
.byte 1 # DW_AT_producer
.short 12 # DW_AT_language
.byte 2 # DW_AT_name
.quad -1328675031687321003 # DW_AT_GNU_dwo_id
.byte 2 # Abbrev [2] 0x19:0xb DW_TAG_variable
.byte 3 # DW_AT_name
.long 36 # DW_AT_type
# DW_AT_external
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.byte 2 # DW_AT_location
.byte 251
.byte 0
.byte 3 # Abbrev [3] 0x24:0x1 DW_TAG_pointer_type
.byte 0 # End Of Children Mark
.section .debug_abbrev.dwo,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.ascii "\260B" # DW_AT_GNU_dwo_name
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 37 # DW_AT_producer
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.ascii "\261B" # DW_AT_GNU_dwo_id
.byte 7 # DW_FORM_data8
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 15 # DW_TAG_pointer_type
.byte 0 # DW_CHILDREN_no
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_addr,"",@progbits
.quad foobar
.section .debug_names,"",@progbits
.long .Lnames_end0-.Lnames_start0 # Header: unit length
.Lnames_start0:
.short 5 # Header: version
.short 0 # Header: padding
.long 1 # Header: compilation unit count
.long 0 # Header: local type unit count
.long 0 # Header: foreign type unit count
.long 1 # Header: bucket count
.long 1 # Header: name count
.long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
.long 8 # Header: augmentation string size
.ascii "LLVM0700" # Header: augmentation string
.long .Lcu_begin0 # Compilation unit 0
.long 1 # Bucket 0
.long -35364674 # Hash in Bucket 0
.long .Lskel_string2 # String in Bucket 0: foobar
.long .Lnames0-.Lnames_entries0 # Offset in Bucket 0
.Lnames_abbrev_start0:
.byte 52 # Abbrev code
.byte 52 # DW_TAG_variable
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 0 # End of abbrev list
.Lnames_abbrev_end0:
.Lnames_entries0:
.Lnames0:
.byte 52 # Abbreviation code
.long 25 # DW_IDX_die_offset
.long 0 # End of list: foobar
.p2align 2
.Lnames_end0:
|