gdb/testsuite/gdb.dwarf2/dw2-cu-size.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2008-2024 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 /* Test inter-cu reference support where the referenced DIE is within
  19    initial_length_size bytes of the end of the CU, but GDB doesn't take
  20    into account initial_length_size.
  21    GDB still gets the correct answer because it goes looking for the
  22    correct CU, but the search is unnecessary.  */
  23
  24 /* Debug information */
  25
  26         .section .debug_info
  27 .Lcu1_begin:
  28         /* CU header */
  29         .4byte  .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
  30 .Lcu1_start:
  31         .2byte  2                               /* DWARF Version */
  32         .4byte  .Labbrev1_begin                 /* Offset into abbrev section */
  33         .byte   4                               /* Pointer size */
  34
  35         /* CU die */
  36         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  37         .ascii  "file1.txt\0"                   /* DW_AT_name */
  38         .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
  39         .byte   1                               /* DW_AT_language (C) */
  40
  41         .uleb128        2                       /* Abbrev: DW_TAG_variable */
  42         .ascii          "noloc\0"               /* DW_AT_name */
  43         .4byte          .Ltype_const_int-.Lcu1_begin /* DW_AT_type */
  44         .byte           1                       /* DW_AT_external */
  45
  46 .Ltype_int:
  47         .uleb128        3                       /* Abbrev: DW_TAG_base_type */
  48         .ascii          "int\0"                 /* DW_AT_name */
  49         .byte           4                       /* DW_AT_byte_size */
  50         .byte           5                       /* DW_AT_encoding */
  51
  52 .Ltype_const_int:
  53         .uleb128        4                       /* Abbrev: DW_TAG_const_type */
  54         .uleb128        .Ltype_int - .Lcu1_begin /* DW_AT_type */
  55
  56         .byte           0                       /* End of children of CU */
  57
  58 .Lcu1_end:
  59
  60 /* Abbrev table */
  61         .section .debug_abbrev
  62 .Labbrev1_begin:
  63         .uleb128        1                       /* Abbrev code */
  64         .uleb128        0x11                    /* DW_TAG_compile_unit */
  65         .byte           1                       /* has_children */
  66         .uleb128        0x3                     /* DW_AT_name */
  67         .uleb128        0x8                     /* DW_FORM_string */
  68         .uleb128        0x25                    /* DW_AT_producer */
  69         .uleb128        0x8                     /* DW_FORM_string */
  70         .uleb128        0x13                    /* DW_AT_language */
  71         .uleb128        0xb                     /* DW_FORM_data1 */
  72         .byte           0x0                     /* Terminator */
  73         .byte           0x0                     /* Terminator */
  74
  75         .uleb128        2                       /* Abbrev code */
  76         .uleb128        0x34                    /* DW_TAG_variable */
  77         .byte           0                       /* has_children */
  78         .uleb128        0x3                     /* DW_AT_name */
  79         .uleb128        0x8                     /* DW_FORM_string */
  80         .uleb128        0x49                    /* DW_AT_type */
  81         .uleb128        0x13                    /* DW_FORM_ref4 */
  82         .uleb128        0x3f                    /* DW_AT_external */
  83         .uleb128        0xc                     /* DW_FORM_flag */
  84         .byte           0x0                     /* Terminator */
  85         .byte           0x0                     /* Terminator */
  86
  87         .uleb128        3                       /* Abbrev code */
  88         .uleb128        0x24                    /* DW_TAG_base_type */
  89         .byte           0                       /* has_children */
  90         .uleb128        0x3                     /* DW_AT_name */
  91         .uleb128        0x8                     /* DW_FORM_string */
  92         .uleb128        0xb                     /* DW_AT_byte_size */
  93         .uleb128        0xb                     /* DW_FORM_data1 */
  94         .uleb128        0x3e                    /* DW_AT_encoding */
  95         .uleb128        0xb                     /* DW_FORM_data1 */
  96         .byte           0x0                     /* Terminator */
  97         .byte           0x0                     /* Terminator */
  98
  99         .uleb128        4                       /* Abbrev code */
 100         .uleb128        0x26                    /* DW_TAG_const_type */
 101         .byte           0                       /* has_children */
 102         .uleb128        0x49                    /* DW_AT_type */
 103         .uleb128        0x15                    /* DW_FORM_ref_udata */
 104
 105         .byte           0x0                     /* Terminator */
 106         .byte           0x0                     /* Terminator */
 107
 108         .byte           0x0                     /* Terminator .debug_abbrev
 109                                                    section.  */
 110 #ifdef __arm__
 111         .section        .note.GNU-stack,"",%progbits
 112 #else
 113         .section        .note.GNU-stack,"",@progbits
 114 #endif