1# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
2# RUN: llvm-dwarfdump %t.o | FileCheck -check-prefix=INPUT %s
3# RUN: not ld.lld %t.o %t.o -o %t 2>&1 | FileCheck %s
4
5# INPUT:     .debug_info contents:
6# INPUT:       DW_TAG_variable
7# INPUT-NEXT:    DW_AT_name      ("foo")
8# INPUT-NEXT:    DW_AT_decl_file ("1.c")
9# INPUT-NEXT:    DW_AT_decl_line (1)
10# INPUT-NEXT:    DW_AT_type      (cu + 0x0032 "int")
11# INPUT-NEXT:    DW_AT_external  (true)
12# INPUT-NEXT:    DW_AT_location  (DW_OP_addr 0x0)
13# INPUT:       DW_TAG_variable
14# INPUT-NEXT:    DW_AT_name      ("bar")
15# INPUT-NEXT:    DW_AT_decl_file ("1.c")
16# INPUT-NEXT:    DW_AT_decl_line (2)
17# INPUT-NEXT:    DW_AT_type      (cu + 0x0032 "int")
18# INPUT-NEXT:    DW_AT_external  (true)
19# INPUT-NEXT:    DW_AT_location  (DW_OP_addr 0x0)
20
21## Check we use information from .debug_info in messages.
22# CHECK:      duplicate symbol: bar
23# CHECK-NEXT: >>> defined at 1.c:2
24# CHECK-NEXT: >>>            {{.*}}:(bar)
25# CHECK-NEXT: >>> defined at 1.c:2
26# CHECK-NEXT: >>>            {{.*}}:(.data+0x0)
27# CHECK:      duplicate symbol: foo
28# CHECK-NEXT: >>> defined at 1.c:1
29# CHECK-NEXT: >>>            {{.*}}:(foo)
30# CHECK-NEXT: >>> defined at 1.c:1
31# CHECK-NEXT: >>>            {{.*}}:(.bss+0x0)
32
33## Check that stripping debug sections does not break error reporting.
34# RUN: not ld.lld --strip-debug %t.o %t.o -o %t 2>&1 | FileCheck %s
35
36# Used reduced output from following code and gcc 7.1.0
37# to produce this input file:
38# Source (1.c):
39#  int foo = 0;
40#  int bar = 1;
41# Invocation: g++ -g -S 1.c
42
43.bss
44.globl  foo
45.type  foo, @object
46.size  foo, 4
47foo:
48
49.data
50.globl  bar
51.type  bar, @object
52.size  bar, 4
53bar:
54
55.text
56.file 1 "1.c"
57
58.section  .debug_info,"",@progbits
59  .long  0x4b            # Compile Unit: length = 0x0000004b)
60  .value  0x4            # version = 0x0004
61  .long  0               # abbr_offset = 0x0
62  .byte  0x8             # addr_size = 0x08
63
64  .uleb128 0x1           # DW_TAG_compile_unit [1] *
65  .long  0               # DW_AT_producer [DW_FORM_strp]  ( .debug_str[0x00000000] = )
66  .byte  0x4             # DW_AT_language [DW_FORM_data1]  (DW_LANG_C_plus_plus)
67  .string  "1.c"         # DW_AT_name [DW_FORM_string]  ("1.c")
68  .long  0               # DW_AT_comp_dir [DW_FORM_strp]  ( .debug_str[0x00000000] = )
69  .long  0               # DW_AT_stmt_list [DW_FORM_sec_offset]  (0x00000000)
70
71  .uleb128 0x2           # DW_TAG_variable [2]
72  .string  "foo"         # DW_AT_name [DW_FORM_string]  ("foo")
73  .byte  0x1             # DW_AT_decl_file [DW_FORM_data1]  ("1.c")
74  .byte  0x1             # DW_AT_decl_line [DW_FORM_data1]  (1)
75  .long  0x32            # DW_AT_type [DW_FORM_ref4]  (cu + 0x0032 => {0x00000032})
76  .uleb128 0x9           # DW_AT_external [DW_FORM_flag_present]  (true)
77  .byte  0x3
78  .quad  foo             # DW_AT_location [DW_FORM_exprloc]  (DW_OP_addr 0x0)
79
80  .uleb128 0x3           # DW_TAG_base_type [3]
81  .byte  0x4             # DW_AT_byte_size [DW_FORM_data1]  (0x04)
82  .byte  0x5             # DW_AT_encoding [DW_FORM_data1]  (DW_ATE_signed)
83  .string  "int"         # DW_AT_name [DW_FORM_string]  ("int")
84
85  .uleb128 0x2           # DW_TAG_variable [2]
86  .string  "bar"         # DW_AT_name [DW_FORM_string]  ("bar")
87  .byte  0x1             # DW_AT_decl_file [DW_FORM_data1]  ("1.c")
88  .byte  0x2             # DW_AT_decl_line [DW_FORM_data1]  (2)
89  .long  0x32            # DW_AT_type [DW_FORM_ref4]  (cu + 0x0032 => {0x00000032})
90  .uleb128 0x9           # DW_AT_external [DW_FORM_flag_present]  (true)
91  .byte  0x3
92  .quad  bar             # DW_AT_location [DW_FORM_exprloc]  (DW_OP_addr 0x0)
93  .byte  0               # END
94
95
96.section  .debug_abbrev,"",@progbits
97  .uleb128 0x1   # Abbreviation code.
98  .uleb128 0x11  # DW_TAG_compile_unit
99
100  .byte  0x1     # ID
101  .uleb128 0x25  # DW_AT_producer, DW_FORM_strp
102  .uleb128 0xe
103  .uleb128 0x13  # DW_AT_language, DW_FORM_data1
104  .uleb128 0xb
105  .uleb128 0x3   # DW_AT_name, DW_FORM_string
106  .uleb128 0x8
107  .uleb128 0x1b  # DW_AT_comp_dir, DW_FORM_strp
108  .uleb128 0xe
109  .uleb128 0x10  # DW_AT_stmt_list, DW_FORM_sec_offset
110  .uleb128 0x17
111  .byte  0
112  .byte  0
113
114  .uleb128 0x2  # ID
115  .uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no
116  .byte  0
117  .uleb128 0x3  # DW_AT_name, DW_FORM_string
118  .uleb128 0x8
119  .uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1
120  .uleb128 0xb
121  .uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1
122  .uleb128 0xb
123  .uleb128 0x49 # DW_AT_type, DW_FORM_ref4
124  .uleb128 0x13
125  .uleb128 0x3f # DW_AT_external, DW_FORM_flag_present
126  .uleb128 0x19
127  .uleb128 0x2  # DW_AT_location, DW_FORM_exprloc
128  .uleb128 0x18
129  .byte  0
130  .byte  0
131
132  .uleb128 0x3  # ID
133  .uleb128 0x24 # DW_TAG_base_type, DW_CHILDREN_no
134  .byte  0
135  .uleb128 0xb  # DW_AT_byte_size, DW_FORM_data1
136  .uleb128 0xb
137  .uleb128 0x3e # DW_AT_encoding, DW_FORM_data1
138  .uleb128 0xb
139  .uleb128 0x3  # DW_AT_name, DW_FORM_string
140  .uleb128 0x8
141  .byte  0
142  .byte  0
143  .byte  0
144
145