conflict-debug-variable.s
5.68 KB
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
// REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
# RUN: llvm-dwarfdump %t.o | FileCheck -check-prefix=INPUT %s
# RUN: not ld.lld %t.o %t.o -o %t 2>&1 | FileCheck %s
# INPUT: .debug_info contents:
# INPUT: DW_TAG_variable
# INPUT-NEXT: DW_AT_name ("foo")
# INPUT-NEXT: DW_AT_decl_file ("1.c")
# INPUT-NEXT: DW_AT_decl_line (1)
# INPUT-NEXT: DW_AT_type (0x00000032 "int")
# INPUT-NEXT: DW_AT_external (true)
# INPUT-NEXT: DW_AT_location (DW_OP_addr 0x0)
# INPUT: DW_TAG_variable
# INPUT-NEXT: DW_AT_name ("bar")
# INPUT-NEXT: DW_AT_decl_file ("1.c")
# INPUT-NEXT: DW_AT_decl_line (2)
# INPUT-NEXT: DW_AT_type (0x00000032 "int")
# INPUT-NEXT: DW_AT_external (true)
# INPUT-NEXT: DW_AT_location (DW_OP_addr 0x0)
## Check we use information from .debug_info in messages.
# CHECK: duplicate symbol: bar
# CHECK-NEXT: >>> defined at 1.c:2
# CHECK-NEXT: >>> {{.*}}:(bar)
# CHECK-NEXT: >>> defined at 1.c:2
# CHECK-NEXT: >>> {{.*}}:(.data+0x0)
# CHECK: duplicate symbol: foo
# CHECK-NEXT: >>> defined at 1.c:1
# CHECK-NEXT: >>> {{.*}}:(foo)
# CHECK-NEXT: >>> defined at 1.c:1
# CHECK-NEXT: >>> {{.*}}:(.bss+0x0)
## Check that stripping debug sections does not break error reporting.
# RUN: not ld.lld --strip-debug %t.o %t.o -o %t 2>&1 | FileCheck %s
# Used reduced output from following code and gcc 7.1.0
# to produce this input file:
# Source (1.c):
# int foo = 0;
# int bar = 1;
# static int zed = 3;
# Invocation: g++ -g -S 1.c
.bss
.globl foo
.type foo, @object
.size foo, 4
foo:
.data
.globl bar
.type bar, @object
.size bar, 4
bar:
.byte 0
.local zed
zed:
.text
.file 1 "1.c"
.section .debug_info,"",@progbits
.long 0x5a # Compile Unit: length = 0x0000004b)
.value 0x4 # version = 0x0004
.long 0 # abbr_offset = 0x0
.byte 0x8 # addr_size = 0x08
.uleb128 0x1 # DW_TAG_compile_unit [1] *
.long 0 # DW_AT_producer [DW_FORM_strp] ( .debug_str[0x00000000] = )
.byte 0x4 # DW_AT_language [DW_FORM_data1] (DW_LANG_C_plus_plus)
.string "1.c" # DW_AT_name [DW_FORM_string] ("1.c")
.long 0 # DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000000] = )
.long 0 # DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000)
.uleb128 0x2 # DW_TAG_variable [2]
.string "foo" # DW_AT_name [DW_FORM_string] ("foo")
.byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c")
.byte 0x1 # DW_AT_decl_line [DW_FORM_data1] (1)
.long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032})
.uleb128 0x9 # DW_AT_external [DW_FORM_flag_present] (true)
.byte 0x3
.quad foo # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0)
.uleb128 0x3 # DW_TAG_base_type [3]
.byte 0x4 # DW_AT_byte_size [DW_FORM_data1] (0x04)
.byte 0x5 # DW_AT_encoding [DW_FORM_data1] (DW_ATE_signed)
.string "int" # DW_AT_name [DW_FORM_string] ("int")
.uleb128 0x2 # DW_TAG_variable [2]
.string "bar" # DW_AT_name [DW_FORM_string] ("bar")
.byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c")
.byte 0x2 # DW_AT_decl_line [DW_FORM_data1] (2)
.long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032})
.uleb128 0x9 # DW_AT_external [DW_FORM_flag_present] (true)
.byte 0x3
.quad bar # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0)
.uleb128 0x4 # DW_TAG_variable [2]
.string "zed" # DW_AT_name [DW_FORM_string] ("zed")
.byte 0x1 # DW_AT_decl_file [DW_FORM_data1] ("1.c")
.byte 0x3 # DW_AT_decl_line [DW_FORM_data1] (2)
.long 0x32 # DW_AT_type [DW_FORM_ref4] (cu + 0x0032 => {0x00000032})
.quad zed # DW_AT_location [DW_FORM_exprloc] (DW_OP_addr 0x0)
.byte 0 # END
.section .debug_abbrev,"",@progbits
.uleb128 0x1 # Abbreviation code.
.uleb128 0x11 # DW_TAG_compile_unit
.byte 0x1 # ID
.uleb128 0x25 # DW_AT_producer, DW_FORM_strp
.uleb128 0xe
.uleb128 0x13 # DW_AT_language, DW_FORM_data1
.uleb128 0xb
.uleb128 0x3 # DW_AT_name, DW_FORM_string
.uleb128 0x8
.uleb128 0x1b # DW_AT_comp_dir, DW_FORM_strp
.uleb128 0xe
.uleb128 0x10 # DW_AT_stmt_list, DW_FORM_sec_offset
.uleb128 0x17
.byte 0
.byte 0
.uleb128 0x2 # ID
.uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no
.byte 0
.uleb128 0x3 # DW_AT_name, DW_FORM_string
.uleb128 0x8
.uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1
.uleb128 0xb
.uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1
.uleb128 0xb
.uleb128 0x49 # DW_AT_type, DW_FORM_ref4
.uleb128 0x13
.uleb128 0x3f # DW_AT_external, DW_FORM_flag_present
.uleb128 0x19
.uleb128 0x2 # DW_AT_location, DW_FORM_exprloc
.uleb128 0x18
.byte 0
.byte 0
.uleb128 0x3 # ID
.uleb128 0x24 # DW_TAG_base_type, DW_CHILDREN_no
.byte 0
.uleb128 0xb # DW_AT_byte_size, DW_FORM_data1
.uleb128 0xb
.uleb128 0x3e # DW_AT_encoding, DW_FORM_data1
.uleb128 0xb
.uleb128 0x3 # DW_AT_name, DW_FORM_string
.uleb128 0x8
.byte 0
.byte 0
.uleb128 0x4 # ID
.uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no
.byte 0
.uleb128 0x3 # DW_AT_name, DW_FORM_string
.uleb128 0x8
.uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1
.uleb128 0xb
.uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1
.uleb128 0xb
.uleb128 0x49 # DW_AT_type, DW_FORM_ref4
.uleb128 0x13
.uleb128 0x2 # DW_AT_location, DW_FORM_exprloc
.uleb128 0x18
.byte 0
.byte 0
.byte 0