test/MC/ELF/discriminator.s

   1 # RUN: llvm-mc -triple i386-unknown-unknown %s -filetype=obj -o %t.o
   2 # RUN: llvm-readobj -r %t.o | FileCheck %s
   3 # RUN: llvm-dwarfdump -debug-dump=line %t.o | FileCheck %s -check-prefix=DWARF-DUMP
   4
   5     .file 1 "foo.c"
   6     .text
   7     .globl foo
   8     .type foo, @function
   9     .align 4
  10 foo:
  11     .loc 1 2 discriminator 1
  12     ret
  13     .size foo, .-foo
  14
  15         .section        .debug_info,"",@progbits
  16 .L.debug_info_begin0:
  17         .long   34                      # Length of Unit
  18         .short  4                       # DWARF version number
  19         .long   .L.debug_abbrev_begin   # Offset Into Abbrev. Section
  20         .byte   8                       # Address Size (in bytes)
  21         .byte   1                       # Abbrev [1] 0xb:0x1b DW_TAG_compile_unit
  22         .long   info_string0            # DW_AT_producer
  23         .short  12                      # DW_AT_language
  24         .long   info_string1            # DW_AT_name
  25         .quad   0                       # DW_AT_low_pc
  26         .long   0                       # DW_AT_stmt_list
  27         .long   info_string2            # DW_AT_comp_dir
  28                                         # DW_AT_APPLE_optimized
  29         .section        .debug_abbrev,"",@progbits
  30 .L.debug_abbrev_begin:
  31         .byte   1                       # Abbreviation Code
  32         .byte   17                      # DW_TAG_compile_unit
  33         .byte   0                       # DW_CHILDREN_no
  34         .byte   37                      # DW_AT_producer
  35         .byte   14                      # DW_FORM_strp
  36         .byte   19                      # DW_AT_language
  37         .byte   5                       # DW_FORM_data2
  38         .byte   3                       # DW_AT_name
  39         .byte   14                      # DW_FORM_strp
  40         .byte   17                      # DW_AT_low_pc
  41         .byte   1                       # DW_FORM_addr
  42         .byte   16                      # DW_AT_stmt_list
  43         .byte   23                      # DW_FORM_sec_offset
  44         .byte   27                      # DW_AT_comp_dir
  45         .byte   14                      # DW_FORM_strp
  46         .ascii  "\341\177"              # DW_AT_APPLE_optimized
  47         .byte   25                      # DW_FORM_flag_present
  48         .byte   0                       # EOM(1)
  49         .byte   0                       # EOM(2)
  50         .byte   0                       # EOM(3)
  51 .L.debug_abbrev_end:
  52
  53
  54 # CHECK:      Relocations [
  55 # CHECK:        Section ({{[^ ]+}}) .rel.debug_line {
  56 # CHECK-NEXT:     0x2D R_386_32 .text 0x0
  57 # CHECK-NEXT:   }
  58
  59 # DWARF-DUMP: Address            Line   Column File   ISA Discriminator Flags
  60 # DWARF-DUMP: ------------------ ------ ------ ------ --- ------------- -------------
  61 # DWARF-DUMP: 0x0001021300000000     1      0      1   0             1  is_stmt