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
189
190
191
192
193
194
195
|
# REQUIRES: x86
# RUN: cd %T
# RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s >debug_loclists-dwo.o
# RUN: %lldb debug_loclists-dwo.o -o "image lookup -v -s lookup_loclists" -o exit | FileCheck %s
# CHECK-LABEL: image lookup -v -s lookup_loclists
# CHECK: Variable: {{.*}}, name = "x0", type = "int", location = DW_OP_reg0 RAX,
# CHECK: Variable: {{.*}}, name = "x1", type = "int", location = DW_OP_reg1 RDX,
loclists:
nop
.Ltmp0:
nop
.Ltmp1:
lookup_loclists:
nop
.Ltmp2:
nop
.Ltmp3:
nop
.Lloclists_end:
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 0x76 # DW_AT_dwo_name
.byte 8 # DW_FORM_string
.byte 115 # DW_AT_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.byte 116 # DW_AT_rnglists_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 .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 5 # DWARF version number
.byte 4 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad 0xdeadbeefbaadf00d # DWO id
.byte 1 # Abbrev [1] 0xc:0x5f DW_TAG_compile_unit
.asciz "debug_loclists-dwo.o" # DW_AT_dwo_name
.long .Laddr_table_base0 # DW_AT_addr_base
.quad loclists # DW_AT_low_pc
.byte 0 # DW_AT_ranges
.long .Lskel_rnglists_table_base # DW_AT_rnglists_base
.Ldebug_info_end0:
.section .debug_rnglists,"",@progbits
.long .Lskel_rnglist_table_end-.Lskel_rnglist_table_start # Length
.Lskel_rnglist_table_start:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 1 # Offset entry count
.Lskel_rnglists_table_base:
.long .Lskel_ranges0-.Lskel_rnglists_table_base
.Lskel_ranges0:
.byte 7 # DW_RLE_start_length
.quad loclists
.uleb128 .Lloclists_end-loclists
.byte 0 # DW_RLE_end_of_list
.Lskel_rnglist_table_end:
.section .debug_addr,"",@progbits
.long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
.short 5 # DWARF version number
.byte 8 # Address size
.byte 0 # Segment selector size
.Laddr_table_base0:
.quad loclists
.quad .Ltmp1
.Ldebug_addr_end0:
# The presence of an extra non-dwo loclists section should not confuse us.
# .debug_info.dwo always refers to .debug_loclists.dwo
.section .debug_loclists,"",@progbits
.quad 0xdeadbeefbaadf00d
.section .debug_loclists.dwo,"e",@progbits
.long .Ldebug_loclist_table_end0-.Ldebug_loclist_table_start0 # Length
.Ldebug_loclist_table_start0:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 2 # Offset entry count
.Lloclists_table_base:
.long .Ldebug_loc0-.Lloclists_table_base
.long .Ldebug_loc1-.Lloclists_table_base
.Ldebug_loc0:
.byte 4 # DW_LLE_offset_pair
.uleb128 loclists-loclists
.uleb128 .Ltmp2-loclists
.uleb128 1 # Expression size
.byte 80 # super-register DW_OP_reg0
.byte 0 # DW_LLE_end_of_list
.Ldebug_loc1:
.byte 3 # DW_LLE_startx_length
.uleb128 1
.uleb128 .Ltmp3-.Ltmp1
.uleb128 1 # Expression size
.byte 81 # super-register DW_OP_reg1
.byte 0 # DW_LLE_end_of_list
.Ldebug_loclist_table_end0:
.section .debug_abbrev.dwo,"e",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 8 # DW_FORM_string
.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 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 0x22 # DW_FORM_loclistx
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 62 # DW_AT_encoding
.byte 11 # DW_FORM_data1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info.dwo,"e",@progbits
.Lcu_begin1:
.long .Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit
.Ldebug_info_start1:
.short 5 # DWARF version number
.byte 5 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad 0xdeadbeefbaadf00d # DWO id
.byte 1 # Abbrev [1] 0xb:0x50 DW_TAG_compile_unit
.asciz "Hand-written DWARF" # DW_AT_producer
.short 12 # DW_AT_language
.byte 2 # Abbrev [2] 0x2a:0x29 DW_TAG_subprogram
.byte 0 # DW_AT_low_pc
.long .Lloclists_end-loclists # DW_AT_high_pc
.asciz "loclists" # DW_AT_name
.long .Lint # DW_AT_type
.byte 3 # Abbrev [3] DW_TAG_formal_parameter
.uleb128 0 # DW_AT_location
.asciz "x0" # DW_AT_name
.long .Lint # DW_AT_type
.byte 3 # Abbrev [3] DW_TAG_formal_parameter
.uleb128 1 # DW_AT_location
.asciz "x1" # DW_AT_name
.long .Lint # DW_AT_type
.byte 0 # End Of Children Mark
.Lint:
.byte 4 # Abbrev [4] 0x53:0x7 DW_TAG_base_type
.asciz "int" # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end1:
|
