lld/test/ELF/debug-line-str.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux -dwarf-version=5 %s -o %t.o
   3 # RUN: not ld.lld %t.o -o /dev/null 2>&1 | FileCheck %s
   4
   5 # Check we do not crash and able to report the source location.
   6
   7 # CHECK:      error: undefined symbol: foo()
   8 # CHECK-NEXT: >>> referenced by test.cpp:3
   9 # CHECK-NEXT: >>>               {{.*}}.o:(.text+0x1)
  10
  11 # The code below is the reduced version of the output
  12 # from the following invocation and source:
  13 #
  14 # // test.cpp:
  15 # int foo();
  16 # int main() {
  17 #   return foo();
  18 # }
  19 #
  20 # clang -gdwarf-5 test.cpp -o test.s -S
  21 # clang version 8.0.0 (trunk 343487)
  22
  23 .text
  24 .file "test.cpp"
  25 .globl main
  26 .type main,@function
  27 main:
  28 .Lfunc_begin0:
  29  .file 0 "/home/path" "test.cpp" md5 0x8ed32099ab837bd13543fd3e8102739f
  30  .loc 0 3 10 prologue_end
  31  jmp _Z3foov
  32 .Lfunc_end0:
  33
  34 .Lstr_offsets_base0:
  35 .section .debug_str,"MS",@progbits,1
  36  .asciz "stub"
  37
  38 .section .debug_str_offsets,"",@progbits
  39  .long 0
  40
  41 .section .debug_abbrev,"",@progbits
  42  .byte 1                           # Abbreviation Code
  43  .byte 17                          # DW_TAG_compile_unit
  44  .byte 0                           # DW_CHILDREN_yes
  45  .byte 37                          # DW_AT_producer
  46  .byte 37                          # DW_FORM_strx1
  47  .byte 19                          # DW_AT_language
  48  .byte 5                           # DW_FORM_data2
  49  .byte 3                           # DW_AT_name
  50  .byte 37                          # DW_FORM_strx1
  51  .byte 114                         # DW_AT_str_offsets_base
  52  .byte 23                          # DW_FORM_sec_offset
  53  .byte 16                          # DW_AT_stmt_list
  54  .byte 23                          # DW_FORM_sec_offset
  55  .byte 27                          # DW_AT_comp_dir
  56  .byte 37                          # DW_FORM_strx1
  57  .byte 17                          # DW_AT_low_pc
  58  .byte 1                           # DW_FORM_addr
  59  .byte 18                          # DW_AT_high_pc
  60  .byte 6                           # DW_FORM_data4
  61  .byte 0                           # EOM(1)
  62  .byte 0                           # EOM(2)
  63
  64  .byte 2                           # Abbreviation Code
  65  .byte 46                          # DW_TAG_subprogram
  66  .byte 0                           # DW_CHILDREN_no
  67  .byte 17                          # DW_AT_low_pc
  68  .byte 1                           # DW_FORM_addr
  69  .byte 18                          # DW_AT_high_pc
  70  .byte 6                           # DW_FORM_data4
  71  .byte 64                          # DW_AT_frame_base
  72  .byte 24                          # DW_FORM_exprloc
  73  .byte 3                           # DW_AT_name
  74  .byte 37                          # DW_FORM_strx1
  75  .byte 58                          # DW_AT_decl_file
  76  .byte 11                          # DW_FORM_data1
  77  .byte 59                          # DW_AT_decl_line
  78  .byte 11                          # DW_FORM_data1
  79  .byte 73                          # DW_AT_type
  80  .byte 19                          # DW_FORM_ref4
  81  .byte 63                          # DW_AT_external
  82  .byte 25                          # DW_FORM_flag_present
  83  .byte 0                           # EOM(1)
  84  .byte 0                           # EOM(2)
  85
  86  .byte 3                           # Abbreviation Code
  87  .byte 36                          # DW_TAG_base_type
  88  .byte 0                           # DW_CHILDREN_no
  89  .byte 3                           # DW_AT_name
  90  .byte 37                          # DW_FORM_strx1
  91  .byte 62                          # DW_AT_encoding
  92  .byte 11                          # DW_FORM_data1
  93  .byte 11                          # DW_AT_byte_size
  94  .byte 11                          # DW_FORM_data1
  95  .byte 0                           # EOM(1)
  96  .byte 0                           # EOM(2)
  97  .byte 0                           # EOM(3)
  98
  99 .section .debug_info,"",@progbits
 100 .Lcu_begin0:
 101  .long 61                         # Length of Unit
 102  .short 5                         # DWARF version number
 103  .byte  1                         # DWARF Unit Type
 104  .byte  8                         # Address Size (in bytes)
 105  .long  .debug_abbrev             # Offset Into Abbrev. Section
 106
 107  .byte  1                         # Abbrev [1] 0xc:0x35 DW_TAG_compile_unit
 108  .byte  0                         # DW_AT_producer
 109  .short 0                         # DW_AT_language
 110  .byte  0                         # DW_AT_name
 111  .long  .Lstr_offsets_base0       # DW_AT_str_offsets_base
 112  .long  .Lline_table_start0       # DW_AT_stmt_list
 113  .byte  0                         # DW_AT_comp_dir
 114  .quad  .Lfunc_begin0             # DW_AT_low_pc
 115  .long  .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
 116
 117  .byte  2                         # Abbrev [2] 0x26:0x16 DW_TAG_subprogram
 118  .quad  .Lfunc_begin0             # DW_AT_low_pc
 119  .long  .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
 120  .byte  1                         # DW_AT_frame_base
 121  .byte  87
 122  .byte  0                         # DW_AT_name
 123  .byte  1                         # DW_AT_decl_file
 124  .byte  2                         # DW_AT_decl_line
 125  .long  60                        # DW_AT_type
 126                                   # DW_AT_external
 127
 128  .byte  3                         # Abbrev [3] 0x3c:0x4 DW_TAG_base_type
 129  .byte  0                         # DW_AT_name
 130  .byte  5                         # DW_AT_encoding
 131  .byte  4                         # DW_AT_byte_size
 132  .byte  0                         # End Of Children Mark
 133
 134 .section .debug_line,"",@progbits
 135 .Lline_table_start0: