llvm/test/tools/llvm-dwarfdump/X86/debug_info_addrx.s

   1 # RUN: llvm-mc %s -filetype obj -triple x86_64-pc-linux -o %t.o
   2 # RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s
   3 # RUN: llvm-dwarfdump -debug-info %t.o -v | FileCheck --check-prefix=VERBOSE %s
   4
   5 # CHECK: DW_TAG_compile_unit
   6 # CHECK:   DW_AT_low_pc                                              (0x0000000000000000)
   7 # VERBOSE: DW_AT_low_pc [DW_FORM_addrx] (indexed (00000000) address = 0x0000000000000000 ".text")
   8 # FIXME: Improve the error message from "unresolved" to describe the specific
   9 #        issue (in this case, the index is outside the bounds of the debug_addr
  10 #        contribution/debug_addr section)
  11 # CHECK:   DW_AT_low_pc                 (indexed (00000001) address = <unresolved>)
  12 # VERBOSE: DW_AT_low_pc [DW_FORM_addrx] (indexed (00000001) address = <unresolved>)
  13
  14 # CHECK: DW_TAG_compile_unit
  15 # FIXME: Should error "no debug_addr contribution" - rather than parsing debug_addr
  16 #        from the start, incorrectly interpreting the header bytes as an address.
  17 # CHECK:   DW_AT_low_pc                 (indexed (00000000) address = <unresolved>)
  18 # VERBOSE: DW_AT_low_pc [DW_FORM_addrx] (indexed (00000000) address = <unresolved>)
  19
  20         .globl  foo                     # -- Begin function foo
  21 foo:                                    # @foo
  22 .Lfunc_begin0:
  23         retq
  24 .Lfunc_end0:
  25         .section        .debug_abbrev,"",@progbits
  26         .byte   1                       # Abbreviation Code
  27         .byte   17                      # DW_TAG_compile_unit
  28         .byte   0                       # DW_CHILDREN_no
  29         .byte   115                     # DW_AT_addr_base
  30         .byte   23                      # DW_FORM_sec_offset
  31         .byte   17                      # DW_AT_low_pc
  32         .byte   27                      # DW_FORM_addrx
  33         .byte   17                      # DW_AT_low_pc
  34         .byte   27                      # DW_FORM_addrx
  35         .byte   0                       # EOM(1)
  36         .byte   0                       # EOM(2)
  37         .byte   2                       # Abbreviation Code
  38         .byte   17                      # DW_TAG_compile_unit
  39         .byte   0                       # DW_CHILDREN_no
  40         .byte   17                      # DW_AT_low_pc
  41         .byte   27                      # DW_FORM_addrx
  42         .byte   0                       # EOM(1)
  43         .byte   0                       # EOM(2)
  44         .byte   0                       # EOM(3)
  45         .section        .debug_info,"",@progbits
  46 .Lcu_begin0:
  47         .long   .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
  48 .Ldebug_info_start0:
  49         .short  5                       # DWARF version number
  50         .byte   1                       # DWARF Unit Type
  51         .byte   8                       # Address Size (in bytes)
  52         .long   .debug_abbrev           # Offset Into Abbrev. Section
  53         .byte   1                       # Abbrev [1] 0xc:0x23 DW_TAG_compile_unit
  54         .long   .Laddr_table_base0      # DW_AT_addr_base
  55         .byte   0                       # DW_AT_low_pc
  56         .byte   1                       # DW_AT_low_pc
  57 .Ldebug_info_end0:
  58 .Lcu_begin1:
  59         .long   .Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit
  60 .Ldebug_info_start1:
  61         .short  5                       # DWARF version number
  62         .byte   1                       # DWARF Unit Type
  63         .byte   8                       # Address Size (in bytes)
  64         .long   .debug_abbrev           # Offset Into Abbrev. Section
  65         .byte   2                       # Abbrev [2] 0xc:0x23 DW_TAG_compile_unit
  66         .long   .Laddr_table_base0      # DW_AT_addr_base
  67         .byte   0                       # DW_AT_low_pc
  68 .Ldebug_info_end1:
  69         .section        .debug_macinfo,"",@progbits
  70         .byte   0                       # End Of Macro List Mark
  71         .section        .debug_addr,"",@progbits
  72         .long   12                      # Length of Pool
  73         .short  5                       # DWARF version number
  74         .byte   8                       # Address Size (in bytes)
  75         .byte   0                       # Segment selector size
  76 .Laddr_table_base0:
  77         .quad   .Lfunc_begin0