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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
| # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj -o - | not llvm-dwarfdump -verify - | FileCheck %s
# CHECK: error: Name Index @ 0x0: Unable to get string associated with name 1.
# CHECK: error: Name Index @ 0x0: Entry @ 0x73 contains an invalid CU index (47).
# CHECK: error: Name Index @ 0x0: Entry @ 0x79 references a non-existing DIE @ 0x3fa.
# CHECK: error: Name Index @ 0x0: Entry @ 0x85: mismatched CU of DIE @ 0x30: index - 0x0; debug_info - 0x1e.
# CHECK: error: Name Index @ 0x0: Entry @ 0x8b: mismatched Tag of DIE @ 0x17: index - DW_TAG_subprogram; debug_info - DW_TAG_variable.
# CHECK: error: Name Index @ 0x0: Entry @ 0x91: mismatched Name of DIE @ 0x35: index - foo; debug_info - bar, _Z3bar.
# CHECK: error: Name Index @ 0x0: Name 2 (foo): Incorrectly terminated entry list.
# CHECK: error: Name Index @ 0x0: Name 3 (bar) is not associated with any entries.
# CHECK: error: Name Index @ 0x0: Entry @ 0x69: mismatched Name of DIE @ 0x1c: index - (pseudonymous namespace); debug_info - (anonymous namespace).
.section .debug_str,"MS",@progbits,1
.Lstring_foo:
.asciz "foo"
.Lstring_bar:
.asciz "bar"
.Lstring_bar_mangled:
.asciz "_Z3bar"
.Lstring_pseudo_namespace:
.asciz "(pseudonymous namespace)"
.Lstring_producer:
.asciz "Hand-written dwarf"
.section .debug_abbrev,"",@progbits
.Lsection_abbrev:
.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 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 57 # DW_TAG_namespace
.byte 0 # DW_CHILDREN_no
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 110 # DW_AT_linkage_name
.byte 14 # DW_FORM_strp
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Lcu_end0-.Lcu_start0 # Length of Unit
.Lcu_start0:
.short 4 # DWARF version number
.long .Lsection_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] DW_TAG_compile_unit
.long .Lstring_producer # DW_AT_producer
.short 12 # DW_AT_language
.Ldie_foo:
.byte 2 # Abbrev [2] DW_TAG_subprogram
.long .Lstring_foo # DW_AT_name
# DW_AT_external
.Ldie_foo_var:
.byte 3 # Abbrev [3] DW_TAG_variable
.long .Lstring_foo # DW_AT_name
.Ldie_namespace:
.byte 4 # Abbrev [3] DW_TAG_namespace
.byte 0 # End Of Children Mark
.Lcu_end0:
.Lcu_begin1:
.long .Lcu_end1-.Lcu_start1 # Length of Unit
.Lcu_start1:
.short 4 # DWARF version number
.long .Lsection_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] DW_TAG_compile_unit
.long .Lstring_producer # DW_AT_producer
.short 12 # DW_AT_language
.Ldie_foo2:
.byte 2 # Abbrev [2] DW_TAG_subprogram
.long .Lstring_foo # DW_AT_name
# DW_AT_external
.Ldie_bar_linkage:
.byte 5 # Abbrev [2] DW_TAG_variable
.long .Lstring_bar # DW_AT_name
.long .Lstring_bar_mangled # DW_AT_linkage_name
.byte 0 # End Of Children Mark
.Lcu_end1:
.section .debug_names,"",@progbits
.long .Lnames_end0-.Lnames_start0 # Header: contribution length
.Lnames_start0:
.short 5 # Header: version
.short 0 # Header: padding
.long 2 # Header: compilation unit count
.long 0 # Header: local type unit count
.long 0 # Header: foreign type unit count
.long 0 # Header: bucket count
.long 4 # Header: name count
.long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
.long 0 # Header: augmentation length
.long .Lcu_begin0 # Compilation unit 0
.long .Lcu_begin1 # Compilation unit 1
.long .Lstring_foo+1000 # String 1: <broken>
.long .Lstring_foo # String 2: foo
.long .Lstring_bar # String 3: bar
.long .Lstring_pseudo_namespace # String 4: (pseudonymous namespace)
.long .Lnames0-.Lnames_entries0 # Offset 1
.long .Lnames0-.Lnames_entries0 # Offset 2
.long .Lnames1-.Lnames_entries0 # Offset 3
.long .Lnames2-.Lnames_entries0 # Offset 4
.Lnames_abbrev_start0:
.byte 46 # Abbrev code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_IDX_compile_unit
.byte 11 # DW_FORM_data1
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 57 # Abbrev code
.byte 57 # DW_TAG_namespace
.byte 1 # DW_IDX_compile_unit
.byte 11 # DW_FORM_data1
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 52 # Abbrev code
.byte 52 # DW_TAG_variable
.byte 1 # DW_IDX_compile_unit
.byte 11 # DW_FORM_data1
.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:
.Lnames1:
.long 0 # End of list: bar
.Lnames2:
.byte 57 # Abbrev code
.byte 0 # DW_IDX_compile_unit
.long .Ldie_namespace-.Lcu_begin0 # DW_IDX_die_offset
.long 0 # End of list: (pseudonymous namespace)
.Lnames0:
.byte 46 # Abbrev code
.byte 47 # DW_IDX_compile_unit
.long .Ldie_foo-.Lcu_begin0 # DW_IDX_die_offset
.byte 46 # Abbrev code
.byte 0 # DW_IDX_compile_unit
.long .Ldie_foo-.Lcu_begin0+1000 # DW_IDX_die_offset
.byte 46 # Abbrev code
.byte 0 # DW_IDX_compile_unit
.long .Ldie_foo-.Lcu_begin0 # DW_IDX_die_offset
.byte 46 # Abbrev code
.byte 0 # DW_IDX_compile_unit
.long .Ldie_foo2-.Lcu_begin0 # DW_IDX_die_offset
.byte 46 # Abbrev code
.byte 0 # DW_IDX_compile_unit
.long .Ldie_foo_var-.Lcu_begin0 # DW_IDX_die_offset
.byte 52 # Abbrev code
.byte 1 # DW_IDX_compile_unit
.long .Ldie_bar_linkage-.Lcu_begin1 # DW_IDX_die_offset
#.long 0 # End of list deliberately missing
.Lnames_end0:
|