bolt/test/X86/shared-abbrev.s

   1 # RUN: rm -rf %t
   2 # RUN: mkdir %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 -dwarf-version=4 %s -o %t/shared-abbrev.o
   4 # RUN: %clang %cflags %t/shared-abbrev.o -o %t/shared-abbrev.exe
   5 # RUN: llvm-bolt %t/shared-abbrev.exe -o %t/shared-abbrev.exe.bolt --update-debug-sections
   6 # RUN: llvm-dwarfdump --debug-info %t/shared-abbrev.exe.bolt | FileCheck %s
   7
   8 # CHECK: 0x00000000:
   9 # CHECK-SAME: abbr_offset = 0x0000
  10 # CHECK-EMPTY:
  11 # CHECK-NEXT:           DW_TAG_compile_unit
  12 # CHECK-NEXT:           DW_AT_stmt_list
  13 # CHECK-NEXT:           DW_AT_low_pc
  14 # CHECK-NEXT:           DW_AT_ranges
  15 # CHECK: 0x0000001c:
  16 # CHECK-SAME: abbr_offset = 0x0000
  17 # CHECK-EMPTY:
  18 # CHECK:                DW_TAG_compile_unit
  19 # CHECK-NEXT:           DW_AT_stmt_list
  20 # CHECK-NEXT:           DW_AT_low_pc
  21 # CHECK-NEXT:           DW_AT_ranges
  22 # CHECK: 0x00000038:
  23 # CHECK-SAME: abbr_offset = 0x0000
  24 # CHECK-EMPTY:
  25 # CHECK-NEXT:           DW_TAG_compile_unit
  26 # CHECK-NEXT:           DW_AT_stmt_list
  27 # CHECK-NEXT:           DW_AT_low_pc
  28 # CHECK-NEXT:           DW_AT_ranges
  29
  30         .text
  31         .file   "main.cpp"
  32         .globl  main                            # -- Begin function main
  33         .p2align        4, 0x90
  34         .type   main,@function
  35 main:                                   # @main
  36 .Lfunc_begin0:
  37         .file   1 "test" "main.cpp"
  38         .loc    1 1 0                           # main.cpp:1:0
  39         .cfi_startproc
  40         .cfi_def_cfa %rsp, 8
  41         retq
  42 .Ltmp1:
  43 .Lfunc_end0:
  44         .size   main, .Lfunc_end0-main
  45         .cfi_endproc
  46                                         # -- End function
  47   .section      .debug_abbrev,"",@progbits
  48   .byte 1                               # Abbreviation Code
  49   .byte 17                              # DW_TAG_compile_unit
  50   .byte 0                               # DW_CHILDREN_no
  51   .byte 16                              # DW_AT_stmt_list
  52   .byte 23                              # DW_FORM_sec_offset
  53   .byte 17                              # DW_AT_low_pc
  54   .byte 1                               # DW_FORM_addr
  55   .byte 18                              # DW_AT_high_pc
  56   .byte 7                               # DW_FORM_data8
  57   .byte 0                               # EOM(1)
  58   .byte 0                               # EOM(2)
  59   .byte 2                               # Abbreviation Code
  60   .byte 17                              # DW_TAG_compile_unit
  61   .byte 0                               # DW_CHILDREN_no
  62   .byte 16                              # DW_AT_stmt_list
  63   .byte 23                              # DW_FORM_sec_offset
  64   .byte 17                              # DW_AT_low_pc
  65   .byte 1                               # DW_FORM_addr
  66   .byte 85                              # DW_AT_ranges
  67   .byte 23                              # DW_FORM_sec_offset
  68   .byte 0                               # EOM(1)
  69   .byte 0                               # EOM(2)
  70   .byte 0                               # EOM(3)
  71   .section      .debug_info,"",@progbits
  72 .Lcu_begin0:
  73         .long   .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
  74 .Ldebug_info_start0:
  75         .short  4                               # DWARF version number
  76   .long .debug_abbrev                   # Offset Into Abbrev. Section
  77   .byte 8                               # Address Size (in bytes)
  78   .byte 2                               # Abbrev [2] DW_TAG_compile_unit
  79   .long .Lline_table_start0             # DW_AT_stmt_list
  80   .quad 0                               # DW_AT_low_pc
  81   .long .Ldebug_ranges0                 # DW_AT_ranges --- end manual --
  82 .Ldebug_info_end0:
  83
  84    # Second CU table.
  85    .long   .Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit
  86 .Ldebug_info_start1:
  87   .short        4                               # DWARF version number
  88         .long   .debug_abbrev                   # Offset Into Abbrev. Section
  89         .byte   8                               # Address Size (in bytes)
  90         .byte   1                               # Abbrev [1] DW_TAG_compile_unit
  91         .long   .Lline_table_start0             # DW_AT_stmt_list
  92         .quad   .Lfunc_begin0                   # DW_AT_low_pc
  93         .quad   .Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
  94   .byte 0                               # End Of Children Mark
  95 .Ldebug_info_end1:
  96
  97    # Third CU table.
  98    .long   .Ldebug_info_end2-.Ldebug_info_start2 # Length of Unit
  99 .Ldebug_info_start2:
 100         .short  4                               # DWARF version number
 101   .long .debug_abbrev                   # Offset Into Abbrev. Section
 102   .byte 8                               # Address Size (in bytes)
 103   .byte 2                               # Abbrev [2] DW_TAG_compile_unit
 104   .long .Lline_table_start0             # DW_AT_stmt_list
 105   .quad 0                               # DW_AT_low_pc
 106   .long .Ldebug_ranges0                 # DW_AT_ranges --- end manual --
 107 .Ldebug_info_end2:
 108   .section  .debug_ranges,"",@progbits
 109 .Ldebug_ranges0:
 110   .quad .Lfunc_begin0
 111   .quad .Lfunc_end0
 112   .quad .Lfunc_begin0
 113   .quad .Lfunc_end0
 114   .quad 0
 115   .quad 0
 116   .section      ".note.GNU-stack","",@progbits
 117   .addrsig
 118   .section      .debug_line,"",@progbits
 119 .Lline_table_start0: