lld/test/ELF/conflict-debug-variable-file-index.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 are able to report errors even if DW_AT_decl_file
   6 ## contains invalid file name index.
   7 ## We did not try to support this intentionally but have
   8 ## an error handling and reporting logic that can take care
   9 ## of that and hence needs a test.
  10
  11 # CHECK:      duplicate symbol: foo
  12 # CHECK-NEXT: >>> defined at {{.*}}.o:(foo)
  13 # CHECK-NEXT: >>>            {{.*}}.o:(.bss+0x0)
  14
  15 # Used modified output from the following code and gcc 7.1.0:
  16 # Source (1.c):
  17 #  int foo = 0;
  18 # Invocation: g++ -g -S 1.c
  19
  20 .bss
  21 .globl  foo
  22 .type  foo, @object
  23 .size  foo, 4
  24 foo:
  25
  26 .text
  27 .file 1 "1.c"
  28
  29 .section  .debug_info,"",@progbits
  30   .long  0x35            # Compile Unit: length = 0x0000004b)
  31   .value  0x4            # version = 0x0004
  32   .long  0               # abbr_offset = 0x0
  33   .byte  0x8             # addr_size = 0x08
  34
  35   .uleb128 0x1           # DW_TAG_compile_unit [1] *
  36   .long  0               # DW_AT_producer [DW_FORM_strp]  ( .debug_str[0x00000000] = )
  37   .byte  0x4             # DW_AT_language [DW_FORM_data1]  (DW_LANG_C_plus_plus)
  38   .string  "1.c"         # DW_AT_name [DW_FORM_string]  ("1.c")
  39   .long  0               # DW_AT_comp_dir [DW_FORM_strp]  ( .debug_str[0x00000000] = )
  40   .long  0               # DW_AT_stmt_list [DW_FORM_sec_offset]  (0x00000000)
  41
  42   .uleb128 0x2           # DW_TAG_variable [2]
  43   .string  "foo"         # DW_AT_name [DW_FORM_string]  ("foo")
  44   .byte  0xFE            # DW_AT_decl_file [DW_FORM_data1]  <broken file>
  45   .byte  0x1             # DW_AT_decl_line [DW_FORM_data1]  (1)
  46   .long  0x32            # DW_AT_type [DW_FORM_ref4]  (cu + 0x0032 => {0x00000032})
  47   .uleb128 0x9           # DW_AT_external [DW_FORM_flag_present]  (true)
  48   .byte  0x3
  49   .quad  foo             # DW_AT_location [DW_FORM_exprloc]  (DW_OP_addr 0x0)
  50
  51   .uleb128 0x3           # DW_TAG_base_type [3]
  52   .byte  0x4             # DW_AT_byte_size [DW_FORM_data1]  (0x04)
  53   .byte  0x5             # DW_AT_encoding [DW_FORM_data1]  (DW_ATE_signed)
  54   .string  "int"         # DW_AT_name [DW_FORM_string]  ("int")
  55
  56 .section  .debug_abbrev,"",@progbits
  57   .uleb128 0x1   # Abbreviation code.
  58   .uleb128 0x11  # DW_TAG_compile_unit
  59
  60   .byte  0x1     # ID
  61   .uleb128 0x25  # DW_AT_producer, DW_FORM_strp
  62   .uleb128 0xe
  63   .uleb128 0x13  # DW_AT_language, DW_FORM_data1
  64   .uleb128 0xb
  65   .uleb128 0x3   # DW_AT_name, DW_FORM_string
  66   .uleb128 0x8
  67   .uleb128 0x1b  # DW_AT_comp_dir, DW_FORM_strp
  68   .uleb128 0xe
  69   .uleb128 0x10  # DW_AT_stmt_list, DW_FORM_sec_offset
  70   .uleb128 0x17
  71   .byte  0
  72   .byte  0
  73
  74   .uleb128 0x2  # ID
  75   .uleb128 0x34 # DW_TAG_variable, DW_CHILDREN_no
  76   .byte  0
  77   .uleb128 0x3  # DW_AT_name, DW_FORM_string
  78   .uleb128 0x8
  79   .uleb128 0x3a # DW_AT_decl_file, DW_FORM_data1
  80   .uleb128 0xb
  81   .uleb128 0x3b # DW_AT_decl_line, DW_FORM_data1
  82   .uleb128 0xb
  83   .uleb128 0x49 # DW_AT_type, DW_FORM_ref4
  84   .uleb128 0x13
  85   .uleb128 0x3f # DW_AT_external, DW_FORM_flag_present
  86   .uleb128 0x19
  87   .uleb128 0x2  # DW_AT_location, DW_FORM_exprloc
  88   .uleb128 0x18
  89   .byte  0
  90   .byte  0
  91
  92   .uleb128 0x3  # ID
  93   .uleb128 0x24 # DW_TAG_base_type, DW_CHILDREN_no
  94   .byte  0
  95   .uleb128 0xb  # DW_AT_byte_size, DW_FORM_data1
  96   .uleb128 0xb
  97   .uleb128 0x3e # DW_AT_encoding, DW_FORM_data1
  98   .uleb128 0xb
  99   .uleb128 0x3  # DW_AT_name, DW_FORM_string
 100   .uleb128 0x8
 101   .byte  0
 102   .byte  0
 103   .byte  0