reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
# RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s

## Check we can report the locations of 2 different "bar" variables.
# CHECK:      duplicate symbol: A::bar
# CHECK-NEXT: >>> defined at 1.cpp:2
# CHECK-NEXT: >>>            {{.*}}:(A::bar)
# CHECK-NEXT: >>> defined at 1.cpp:2
# CHECK-NEXT: >>>            {{.*}}:(.bss+0x0)
# CHECK:      duplicate symbol: Z::bar
# CHECK-NEXT: >>> defined at 1.cpp:6
# CHECK-NEXT: >>>            {{.*}}:(Z::bar)
# CHECK-NEXT: >>> defined at 1.cpp:6
# CHECK-NEXT: >>>            {{.*}}:(.data+0x0)

# Used reduced output from following code and clang version 7.0.0 (trunk 332701)
# to produce this input file:
# Source (1.cpp):
#  namespace A {
#    int bar;
#  }
#  
#  namespace Z {
#    int bar;
#  }
# Invocation: clang-7 -g -S 1.cpp

.text
.file  "1.cpp"
.file  1 "/path" "1.cpp"

.type  _ZN1A3barE,@object
.bss
.globl  _ZN1A3barE
_ZN1A3barE:
  .long  0
  .size  _ZN1A3barE, 4

.type  _ZN1Z3barE,@object
.data
.globl  _ZN1Z3barE
_ZN1Z3barE:
  .long  1
  .size  _ZN1Z3barE, 4

.section  .debug_str,"MS",@progbits,1
.Linfo_string0:
  .asciz  "clang version 7.0.0 (trunk 332701)" # string offset=0
.Linfo_string1:
  .asciz  "1.cpp"                 # string offset=35
.Linfo_string2:
  .asciz  "/path"                 # string offset=41
.Linfo_string3:
  .asciz  "A"                     # string offset=87
.Linfo_string4:
  .asciz  "bar"                   # string offset=89
.Linfo_string5:
  .asciz  "int"                   # string offset=93
.Linfo_string6:
  .asciz  "_ZN1A3barE"            # string offset=97
.Linfo_string7:
  .asciz  "Z"                     # string offset=108
.Linfo_string8:
  .asciz  "_ZN1Z3barE"            # string offset=110

.section  .debug_abbrev,"",@progbits
  .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  3                       # DW_AT_name
  .byte  14                      # DW_FORM_strp
  .byte  16                      # DW_AT_stmt_list
  .byte  23                      # DW_FORM_sec_offset
  .byte  27                      # DW_AT_comp_dir
  .byte  14                      # DW_FORM_strp
  .ascii  "\264B"                # DW_AT_GNU_pubnames
  .byte  25                      # DW_FORM_flag_present
  .byte  0                       # EOM(1)
  .byte  0                       # EOM(2)
  
  .byte  2                       # Abbreviation Code
  .byte  57                      # DW_TAG_namespace
  .byte  1                       # DW_CHILDREN_yes
  .byte  3                       # DW_AT_name
  .byte  14                      # DW_FORM_strp
  .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  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  110                     # DW_AT_linkage_name
  .byte  14                      # DW_FORM_strp
  .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  14                      # DW_FORM_strp
  .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,"",@progbits
  .long  96                      # 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:0x59 DW_TAG_compile_unit
  .long  .Linfo_string0          # DW_AT_producer
  .short  4                      # DW_AT_language
  .long  .Linfo_string1          # DW_AT_name
  .long  0                       # DW_AT_stmt_list
  .long  .Linfo_string2          # DW_AT_comp_dir
                                 # DW_AT_GNU_pubnames

  .byte  2                       # Abbrev [2] 0x1e:0x1f DW_TAG_namespace
  .long  .Linfo_string3          # DW_AT_name
  
  .byte  3                       # Abbrev [3] 0x23:0x19 DW_TAG_variable
  .long  .Linfo_string4          # DW_AT_name
  .long  61                      # DW_AT_type
                                 # DW_AT_external
  .byte  1                       # DW_AT_decl_file
  .byte  2                       # DW_AT_decl_line
  .byte  9                       # DW_AT_location
  .byte  3
  .quad  _ZN1A3barE
  .long  .Linfo_string6          # DW_AT_linkage_name
  .byte  0                       # End Of Children Mark
  
  .byte  4                       # Abbrev [4] 0x3d:0x7 DW_TAG_base_type
  .long  .Linfo_string5          # DW_AT_name
  .byte  5                       # DW_AT_encoding
  .byte  4                       # DW_AT_byte_size
  
  .byte  2                       # Abbrev [2] 0x44:0x1f DW_TAG_namespace
  .long  .Linfo_string7          # DW_AT_name
  
  .byte  3                       # Abbrev [3] 0x49:0x19 DW_TAG_variable
  .long  .Linfo_string4          # DW_AT_name
  .long  61                      # DW_AT_type
                                 # DW_AT_external
  .byte  1                       # DW_AT_decl_file
  .byte  6                       # DW_AT_decl_line
  .byte  9                       # DW_AT_location
  .byte  3
  .quad  _ZN1Z3barE
  .long  .Linfo_string8          # DW_AT_linkage_name
  
  .byte  0                       # End Of Children Mark
  .byte  0                       # End Of Children Mark