binutils/testsuite/binutils-all/dwo.s

   1 /* Assembler source used to create an object file for testing readelf's
   2    and objdump's ability to process separate dwarf object files.
   3
   4    Copyright (C) 2017-2025 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19
  20         /* Create a .debug_str section for local use.  This is also to check
  21            the ability to dump the same section twice, if it exists in
  22            both the main file and the separate debug info file.  */
  23
  24         .section        .debug_str,"MS",%progbits,1
  25 string1:
  26         .asciz  "debugfile.dwo"
  27 string2:
  28         .asciz  "/path/to/dwo/files"
  29 string3:
  30         .asciz  "/another/path/"
  31         .balign 2
  32 string_end:
  33
  34         /* Create a .debug_info section that contains the dwo links.  */
  35
  36         .section        .debug_info,"",%progbits
  37         .4byte  debugE1 - debugS1       ;# Length of Compilation Unit Info
  38 debugS1:
  39         .short  0x4     ;# DWARF version number.
  40         .4byte  0x0     ;# Offset into .debug_abbrev section.
  41         .byte   0x4     ;# Pointer Size (in bytes).
  42
  43         .uleb128 0x1    ;# Use abbrev #1.  This needs strings from the .debug_str section.
  44         .4byte  string1
  45         .4byte  string2
  46 debugE1:
  47
  48         .4byte  debugE2 - debugS2       ;# Length of Compilation Unit Info
  49 debugS2:
  50         .short  0x4     ;# DWARF version number.
  51         .4byte  0x0     ;# Offset into .debug_abbrev section.
  52         .byte   0x4     ;# Pointer Size (in bytes).
  53
  54         .uleb128 0x2    ;# Use abbrev #2.
  55         .asciz   "file.dwo"
  56         .4byte   string3
  57         .8byte   0x12345678aabbccdd
  58
  59         ;# Minimal section alignment on alpha-* is 2, so ensure no new invalid CU
  60         ;# will be started.
  61         .balign 2, 0
  62 debugE2:
  63
  64         .section        .debug_abbrev,"",%progbits
  65
  66         /* Create an abbrev containing a DWARF5 style dwo link.  */
  67         .uleb128 0x01   ;# Abbrev code.
  68         .uleb128 0x11   ;# DW_TAG_compile_unit
  69         .byte    0x00   ;# DW_children_no
  70         .uleb128 0x76   ;# DW_AT_dwo_name
  71         .uleb128 0x0e   ;# DW_FORM_strp
  72         .uleb128 0x1b   ;# DW_AT_comp_dir
  73         .uleb128 0x0e   ;# DW_FORM_strp
  74         .byte    0x00   ;# End of abbrev
  75         .byte    0x00
  76
  77         /* Create an abbrev containing a GNU style dwo link.  */
  78         .uleb128 0x02   ;# Abbrev code.
  79         .uleb128 0x11   ;# DW_TAG_compile_unit
  80         .byte    0x00   ;# DW_children_no
  81         .uleb128 0x2130 ;# DW_AT_GNU_dwo_name
  82         .uleb128 0x08   ;# DW_FORM_string
  83         .uleb128 0x1b   ;# DW_AT_comp_dir
  84         .uleb128 0x0e   ;# DW_FORM_strp
  85         .uleb128 0x2131 ;# DW_AT_GNU_dwo_id
  86         .uleb128 0x07   ;# DW_FORM_data8
  87         .byte    0x00   ;# End of abbrev
  88         .byte    0x00
  89
  90         .byte    0x0    ;# Abbrevs terminator
  91