lld/test/ELF/conflict-debug-variable2.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3
   4 # RUN: llvm-dwarfdump -v %t.o | FileCheck -check-prefix=INPUT %s
   5 # INPUT:     .debug_info contents:
   6 # INPUT:       DW_TAG_variable
   7 # INPUT-NEXT:    DW_AT_name [DW_FORM_strp]       ( .debug_str[0x00000027] = "foo")
   8 # INPUT-NEXT:    DW_AT_type [DW_FORM_ref4]       (cu + 0x0033 => {0x00000033} "int")
   9 # INPUT-NEXT:    DW_AT_external [DW_FORM_flag_present]   (true)
  10 # INPUT-NEXT:    DW_AT_decl_file [DW_FORM_data1] ("/home/path/test.c")
  11 # INPUT-NEXT:    DW_AT_decl_line [DW_FORM_data1] (1)
  12 # INPUT-NEXT:    DW_AT_location [DW_FORM_exprloc]        (DW_OP_addr 0x0)
  13 # INPUT:       DW_TAG_variable
  14 # INPUT-NEXT:    DW_AT_name [DW_FORM_strp]       ( .debug_str[0x0000002f] = "bar")
  15 # INPUT-NEXT:    DW_AT_type [DW_FORM_ref4]       (cu + 0x0033 => {0x00000033} "int")
  16 # INPUT-NEXT:    DW_AT_external [DW_FORM_flag_present]   (true)
  17 # INPUT-NEXT:    DW_AT_decl_file [DW_FORM_data1] ("/home/path/test.c")
  18 # INPUT-NEXT:    DW_AT_decl_line [DW_FORM_data1] (2)
  19 # INPUT-NEXT:    DW_AT_location [DW_FORM_exprloc]        (DW_OP_addr 0x0)
  20
  21 ## Check we use information from .debug_info in messages.
  22 # RUN: not ld.lld %t.o %t.o -o /dev/null 2>&1 | FileCheck %s
  23 # CHECK:      duplicate symbol: bar
  24 # CHECK-NEXT: >>> defined at test.c:2
  25 # CHECK-NEXT: >>>            {{.*}}:(bar)
  26 # CHECK-NEXT: >>> defined at test.c:2
  27 # CHECK-NEXT: >>>            {{.*}}:(.data+0x0)
  28 # CHECK:      duplicate symbol: foo
  29 # CHECK-NEXT: >>> defined at test.c:1
  30 # CHECK-NEXT: >>>            {{.*}}:(foo)
  31 # CHECK-NEXT: >>> defined at test.c:1
  32 # CHECK-NEXT: >>>            {{.*}}:(.bss+0x0)
  33
  34 # Used reduced output from following code and clang
  35 # version 6.0.0 (trunk 316661) to produce this input file:
  36 # Source (test.c):
  37 #  int foo = 0;
  38 #  int bar = 1;
  39 # Invocation: clang -g -S test.c
  40
  41 .text
  42 .file  "test.c"
  43 .file  1 "test.c"
  44
  45 .type  bar,@object
  46 .data
  47 .globl  bar
  48 .p2align  2
  49 bar:
  50  .long  1
  51  .size  bar, 4
  52
  53 .type  foo,@object
  54 .bss
  55 .globl  foo
  56 .p2align  2
  57 foo:
  58  .long  0
  59  .size  foo, 4
  60
  61 .section  .debug_str,"MS",@progbits,1
  62 .Linfo_string0:
  63   .asciz  "clang version 6.0.0"
  64 .Linfo_string1:
  65   .asciz  "test.c"
  66 .Linfo_string2:
  67   .asciz  "/home/path/"
  68 .Linfo_string3:
  69   .asciz  "foo"
  70 .Linfo_string4:
  71   .asciz  "int"
  72 .Linfo_string5:
  73   .asciz  "bar"
  74
  75 .section  .debug_abbrev,"",@progbits
  76   .byte  1                       # Abbreviation Code
  77   .byte  17                      # DW_TAG_compile_unit
  78   .byte  1                       # DW_CHILDREN_yes
  79   .byte  37                      # DW_AT_producer
  80   .byte  14                      # DW_FORM_strp
  81   .byte  19                      # DW_AT_language
  82   .byte  5                       # DW_FORM_data2
  83   .byte  3                       # DW_AT_name
  84   .byte  14                      # DW_FORM_strp
  85   .byte  16                      # DW_AT_stmt_list
  86   .byte  23                      # DW_FORM_sec_offset
  87   .byte  27                      # DW_AT_comp_dir
  88   .byte  14                      # DW_FORM_strp
  89   .ascii  "\264B"                # DW_AT_GNU_pubnames
  90   .byte  25                      # DW_FORM_flag_present
  91   .byte  0                       # EOM(1)
  92   .byte  0                       # EOM(2)
  93
  94   .byte  2                       # 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  0                       # EOM(1)
 110   .byte  0                       # EOM(2)
 111
 112   .byte  3                       # Abbreviation Code
 113   .byte  36                      # DW_TAG_base_type
 114   .byte  0                       # DW_CHILDREN_no
 115   .byte  3                       # DW_AT_name
 116   .byte  14                      # DW_FORM_strp
 117   .byte  62                      # DW_AT_encoding
 118   .byte  11                      # DW_FORM_data1
 119   .byte  11                      # DW_AT_byte_size
 120   .byte  11                      # DW_FORM_data1
 121   .byte  0                       # EOM(1)
 122   .byte  0                       # EOM(2)
 123   .byte  0                       # EOM(3)
 124
 125 .section  .debug_info,"",@progbits
 126 .Lcu_begin0:
 127   .long  76                      # Length of Unit
 128   .short  4                      # DWARF version number
 129   .long  .debug_abbrev           # Offset Into Abbrev. Section
 130   .byte  8                       # Address Size (in bytes)
 131
 132   .byte  1                       # Abbrev [1] 0xb:0x45 DW_TAG_compile_unit
 133   .long  .Linfo_string0          # DW_AT_producer
 134   .short  12                     # DW_AT_language
 135   .long  .Linfo_string1          # DW_AT_name
 136   .long  0                       # DW_AT_stmt_list
 137   .long  .Linfo_string2          # DW_AT_comp_dir
 138
 139   .byte  2                       # Abbrev [2] 0x1e:0x15 DW_TAG_variable
 140   .long  .Linfo_string3          # DW_AT_name
 141   .long  51                      # DW_AT_type
 142   .byte  1                       # DW_AT_decl_file
 143   .byte  1                       # DW_AT_decl_line
 144   .byte  9                       # DW_AT_location
 145   .byte  3
 146   .quad  foo
 147
 148   .byte  3                       # Abbrev [3] 0x33:0x7 DW_TAG_base_type
 149   .long  .Linfo_string4          # DW_AT_name
 150   .byte  5                       # DW_AT_encoding
 151   .byte  4                       # DW_AT_byte_size
 152
 153   .byte  2                       # Abbrev [2] 0x3a:0x15 DW_TAG_variable
 154   .long  .Linfo_string5          # DW_AT_name
 155   .long  51                      # DW_AT_type
 156   .byte  1                       # DW_AT_decl_file
 157   .byte  2                       # DW_AT_decl_line
 158   .byte  9                       # DW_AT_location
 159   .byte  3
 160   .quad  bar
 161   .byte  0                       # End Of Children Mark