gdb/testsuite/gdb.dwarf2/dw4-sig-type-unused.S

   1 /* Copyright 2011-2013 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16         .section        .debug_info
  17 debug_start:
  18         .4byte  debug_end - 1f  /* Length of Compilation Unit Info */
  19 1:
  20         .2byte  0x4     /* DWARF version number */
  21         .4byte  .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
  22         .byte   0x4     /* Pointer Size (in bytes) */
  23         .uleb128 0x3    /* (DIE (0xb) DW_TAG_compile_unit) */
  24         .ascii "GNU C 4.4.3\0"  /* DW_AT_producer */
  25         .byte   0x0c    /* DW_AT_language = DW_LANG_C99 */
  26         .ascii "1.c\0"  /* DW_AT_name */
  27 debug_end:
  28
  29         .section        .debug_types
  30 types_start:
  31         .macro  unit sig1 sig2 name
  32         .4byte  2f - 1f /* Length of Compilation Unit Info */
  33 1:
  34         .2byte  0x4     /* DWARF version number */
  35         .4byte  .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
  36         .byte   0x4     /* Pointer Size (in bytes) */
  37         /* signature */
  38         .4byte  \sig1
  39         .4byte  \sig2
  40         .4byte  3f-types_start  /* offset into type DIE */
  41         .uleb128 0x1    /* DW_TAG_type_unit) */
  42         .byte   0x0c    /* DW_AT_language = DW_LANG_C99 */
  43 3:
  44         .uleb128 0x2    /* DW_TAG_structure_type */
  45         .ascii  "\name" /* DW_AT_name ... */
  46         .byte   0       /* ... DW_AT_name */
  47         .4byte  0       /* DW_AT_byte_size */
  48         .byte   0x0     /* end of children of CU */
  49 2:
  50         .endm
  51
  52         unit    0x01234567, 0x01234567, foo
  53         /* One duplicate.  */
  54         unit    0x01234567, 0x01234567, foo
  55         /* One different, but still unused.  */
  56         unit    0x89abcdef, 0x89abcdef, bar
  57
  58         .section        .debug_abbrev
  59 .Ldebug_abbrev0:
  60         .uleb128 0x1    /* (abbrev code) */
  61         .uleb128 0x41   /* (TAG: DW_TAG_type_unit) */
  62         .byte   0x1     /* DW_children_yes */
  63         .uleb128 0x13   /* (DW_AT_language) */
  64         .uleb128 0xb    /* (DW_FORM_data1) */
  65         .byte   0x0
  66         .byte   0x0
  67         .uleb128 0x2    /* (abbrev code) */
  68         .uleb128 0x13   /* (TAG: DW_TAG_structure_type) */
  69         .byte   0x0     /* DW_children_no */
  70         .uleb128 0x3    /* (DW_AT_name) */
  71         .uleb128 0x8    /* (DW_FORM_string) */
  72         .uleb128 0x0b   /* (DW_AT_byte_size) */
  73         .uleb128 0x6    /* (DW_FORM_data4) */
  74         .byte   0x0
  75         .byte   0x0
  76         .uleb128 0x3    /* (abbrev code) */
  77         .uleb128 0x11   /* (TAG: DW_TAG_compile_unit) */
  78         .byte   0x0     /* DW_children_no */
  79         .uleb128 0x25   /* (DW_AT_producer) */
  80         .uleb128 0x8    /* (DW_FORM_string) */
  81         .uleb128 0x13   /* (DW_AT_language) */
  82         .uleb128 0xb    /* (DW_FORM_data1) */
  83         .uleb128 0x3    /* (DW_AT_name) */
  84         .uleb128 0x8    /* (DW_FORM_string) */
  85         .byte   0x0
  86         .byte   0x0
  87         .byte   0x0