lld/test/ELF/conflict-variable-linkage-name.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3 # RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s
   4
   5 ## Check we can report the locations of 2 different "bar" variables.
   6 # CHECK:      duplicate symbol: A::bar
   7 # CHECK-NEXT: >>> defined at 1.cpp:2
   8 # CHECK-NEXT: >>>            {{.*}}:(A::bar)
   9 # CHECK-NEXT: >>> defined at 1.cpp:2
  10 # CHECK-NEXT: >>>            {{.*}}:(.bss+0x0)
  11 # CHECK:      duplicate symbol: Z::bar
  12 # CHECK-NEXT: >>> defined at 1.cpp:6
  13 # CHECK-NEXT: >>>            {{.*}}:(Z::bar)
  14 # CHECK-NEXT: >>> defined at 1.cpp:6
  15 # CHECK-NEXT: >>>            {{.*}}:(.data+0x0)
  16
  17 # Used reduced output from following code and clang version 7.0.0 (trunk 332701)
  18 # to produce this input file:
  19 # Source (1.cpp):
  20 #  namespace A {
  21 #    int bar;
  22 #  }
  23 #
  24 #  namespace Z {
  25 #    int bar;
  26 #  }
  27 # Invocation: clang-7 -g -S 1.cpp
  28
  29 .text
  30 .file  "1.cpp"
  31 .file  1 "/path" "1.cpp"
  32
  33 .type  _ZN1A3barE,@object
  34 .bss
  35 .globl  _ZN1A3barE
  36 _ZN1A3barE:
  37   .long  0
  38   .size  _ZN1A3barE, 4
  39
  40 .type  _ZN1Z3barE,@object
  41 .data
  42 .globl  _ZN1Z3barE
  43 _ZN1Z3barE:
  44   .long  1
  45   .size  _ZN1Z3barE, 4
  46
  47 .section  .debug_str,"MS",@progbits,1
  48 .Linfo_string0:
  49   .asciz  "clang version 7.0.0 (trunk 332701)" # string offset=0
  50 .Linfo_string1:
  51   .asciz  "1.cpp"                 # string offset=35
  52 .Linfo_string2:
  53   .asciz  "/path"                 # string offset=41
  54 .Linfo_string3:
  55   .asciz  "A"                     # string offset=87
  56 .Linfo_string4:
  57   .asciz  "bar"                   # string offset=89
  58 .Linfo_string5:
  59   .asciz  "int"                   # string offset=93
  60 .Linfo_string6:
  61   .asciz  "_ZN1A3barE"            # string offset=97
  62 .Linfo_string7:
  63   .asciz  "Z"                     # string offset=108
  64 .Linfo_string8:
  65   .asciz  "_ZN1Z3barE"            # string offset=110
  66
  67 .section  .debug_abbrev,"",@progbits
  68   .byte  1                       # Abbreviation Code
  69   .byte  17                      # DW_TAG_compile_unit
  70   .byte  1                       # DW_CHILDREN_yes
  71   .byte  37                      # DW_AT_producer
  72   .byte  14                      # DW_FORM_strp
  73   .byte  19                      # DW_AT_language
  74   .byte  5                       # DW_FORM_data2
  75   .byte  3                       # DW_AT_name
  76   .byte  14                      # DW_FORM_strp
  77   .byte  16                      # DW_AT_stmt_list
  78   .byte  23                      # DW_FORM_sec_offset
  79   .byte  27                      # DW_AT_comp_dir
  80   .byte  14                      # DW_FORM_strp
  81   .ascii  "\264B"                # DW_AT_GNU_pubnames
  82   .byte  25                      # DW_FORM_flag_present
  83   .byte  0                       # EOM(1)
  84   .byte  0                       # EOM(2)
  85
  86   .byte  2                       # Abbreviation Code
  87   .byte  57                      # DW_TAG_namespace
  88   .byte  1                       # DW_CHILDREN_yes
  89   .byte  3                       # DW_AT_name
  90   .byte  14                      # DW_FORM_strp
  91   .byte  0                       # EOM(1)
  92   .byte  0                       # EOM(2)
  93
  94   .byte  3                       # Abbreviation Code
  95   .byte  52                      # DW_TAG_variable
  96   .byte  0                       # DW_CHILDREN_no
  97   .byte  3                       # DW_AT_name
  98   .byte  14                      # DW_FORM_strp
  99   .byte  73                      # DW_AT_type
 100   .byte  19                      # DW_FORM_ref4
 101   .byte  63                      # DW_AT_external
 102   .byte  25                      # DW_FORM_flag_present
 103   .byte  58                      # DW_AT_decl_file
 104   .byte  11                      # DW_FORM_data1
 105   .byte  59                      # DW_AT_decl_line
 106   .byte  11                      # DW_FORM_data1
 107   .byte  2                       # DW_AT_location
 108   .byte  24                      # DW_FORM_exprloc
 109   .byte  110                     # DW_AT_linkage_name
 110   .byte  14                      # DW_FORM_strp
 111   .byte  0                       # EOM(1)
 112   .byte  0                       # EOM(2)
 113
 114   .byte  4                       # Abbreviation Code
 115   .byte  36                      # DW_TAG_base_type
 116   .byte  0                       # DW_CHILDREN_no
 117   .byte  3                       # DW_AT_name
 118   .byte  14                      # DW_FORM_strp
 119   .byte  62                      # DW_AT_encoding
 120   .byte  11                      # DW_FORM_data1
 121   .byte  11                      # DW_AT_byte_size
 122   .byte  11                      # DW_FORM_data1
 123   .byte  0                       # EOM(1)
 124   .byte  0                       # EOM(2)
 125   .byte  0                       # EOM(3)
 126
 127   .section  .debug_info,"",@progbits
 128   .long  96                      # Length of Unit
 129   .short  4                      # DWARF version number
 130   .long  .debug_abbrev           # Offset Into Abbrev. Section
 131   .byte  8                       # Address Size (in bytes)
 132
 133   .byte  1                       # Abbrev [1] 0xb:0x59 DW_TAG_compile_unit
 134   .long  .Linfo_string0          # DW_AT_producer
 135   .short  4                      # DW_AT_language
 136   .long  .Linfo_string1          # DW_AT_name
 137   .long  0                       # DW_AT_stmt_list
 138   .long  .Linfo_string2          # DW_AT_comp_dir
 139                                  # DW_AT_GNU_pubnames
 140
 141   .byte  2                       # Abbrev [2] 0x1e:0x1f DW_TAG_namespace
 142   .long  .Linfo_string3          # DW_AT_name
 143
 144   .byte  3                       # Abbrev [3] 0x23:0x19 DW_TAG_variable
 145   .long  .Linfo_string4          # DW_AT_name
 146   .long  61                      # DW_AT_type
 147                                  # DW_AT_external
 148   .byte  1                       # DW_AT_decl_file
 149   .byte  2                       # DW_AT_decl_line
 150   .byte  9                       # DW_AT_location
 151   .byte  3
 152   .quad  _ZN1A3barE
 153   .long  .Linfo_string6          # DW_AT_linkage_name
 154   .byte  0                       # End Of Children Mark
 155
 156   .byte  4                       # Abbrev [4] 0x3d:0x7 DW_TAG_base_type
 157   .long  .Linfo_string5          # DW_AT_name
 158   .byte  5                       # DW_AT_encoding
 159   .byte  4                       # DW_AT_byte_size
 160
 161   .byte  2                       # Abbrev [2] 0x44:0x1f DW_TAG_namespace
 162   .long  .Linfo_string7          # DW_AT_name
 163
 164   .byte  3                       # Abbrev [3] 0x49:0x19 DW_TAG_variable
 165   .long  .Linfo_string4          # DW_AT_name
 166   .long  61                      # DW_AT_type
 167                                  # DW_AT_external
 168   .byte  1                       # DW_AT_decl_file
 169   .byte  6                       # DW_AT_decl_line
 170   .byte  9                       # DW_AT_location
 171   .byte  3
 172   .quad  _ZN1Z3barE
 173   .long  .Linfo_string8          # DW_AT_linkage_name
 174
 175   .byte  0                       # End Of Children Mark
 176   .byte  0                       # End Of Children Mark