gdb/testsuite/gdb.dwarf2/dw2-producer.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004-2015 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 /* This file contains some basic DWARF info.  The only particularity about
  19    this info is that this compile unit does not have a DW_AT_producer
  20    attribute.  The rest is a straight copy of one of the other assembly
  21    files available in this directory.
  22
  23    The intent of this testcase is to verify that GDB is able to handle
  24    the lack of the DW_AT_producer attribute without problem.  */
  25
  26 /* Dummy function to provide debug information for.  */
  27
  28         .text
  29 .Lbegin_text1:
  30         .globl func_cu1
  31         .type func_cu1, %function
  32 func_cu1:
  33 .Lbegin_func_cu1:
  34         .int 0
  35 .Lend_func_cu1:
  36         .size func_cu1, .-func_cu1
  37 .Lend_text1:
  38
  39 /* Debug information */
  40
  41         .section .debug_info
  42 .Lcu1_begin:
  43         /* CU header */
  44         .4byte  .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
  45 .Lcu1_start:
  46         .2byte  2                               /* DWARF Version */
  47         .4byte  .Labbrev1_begin                 /* Offset into abbrev section */
  48         .byte   4                               /* Pointer size */
  49
  50         /* CU die */
  51         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  52         .4byte  .Lline1_begin                   /* DW_AT_stmt_list */
  53         .4byte  .Lend_text1                     /* DW_AT_high_pc */
  54         .4byte  .Lbegin_text1                   /* DW_AT_low_pc */
  55         .ascii  "file1.txt\0"                   /* DW_AT_name */
  56         .byte   1                               /* DW_AT_language (C) */
  57
  58         /* func_cu1 */
  59         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  60         .byte           1                       /* DW_AT_external */
  61         .byte           1                       /* DW_AT_decl_file */
  62         .byte           2                       /* DW_AT_decl_line */
  63         .ascii          "func_cu1\0"            /* DW_AT_name */
  64         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  65         .4byte          .Lbegin_func_cu1        /* DW_AT_low_pc */
  66         .4byte          .Lend_func_cu1          /* DW_AT_high_pc */
  67         .byte           1                       /* DW_AT_frame_base: length */
  68         .byte           0x55                    /* DW_AT_frame_base: DW_OP_reg5 */
  69
  70 .Ltype_int:
  71         .uleb128        3                       /* Abbrev: DW_TAG_base_type */
  72         .ascii          "int\0"                 /* DW_AT_name */
  73         .byte           4                       /* DW_AT_byte_size */
  74         .byte           5                       /* DW_AT_encoding */
  75
  76         .byte           0                       /* End of children of CU */
  77
  78 .Lcu1_end:
  79
  80 /* Abbrev table */
  81         .section .debug_abbrev
  82 .Labbrev1_begin:
  83         .uleb128        1                       /* Abbrev code */
  84         .uleb128        0x11                    /* DW_TAG_compile_unit */
  85         .byte           1                       /* has_children */
  86         .uleb128        0x10                    /* DW_AT_stmt_list */
  87         .uleb128        0x6                     /* DW_FORM_data4 */
  88         .uleb128        0x12                    /* DW_AT_high_pc */
  89         .uleb128        0x1                     /* DW_FORM_addr */
  90         .uleb128        0x11                    /* DW_AT_low_pc */
  91         .uleb128        0x1                     /* DW_FORM_addr */
  92         .uleb128        0x3                     /* DW_AT_name */
  93         .uleb128        0x8                     /* DW_FORM_string */
  94         .uleb128        0x13                    /* DW_AT_language */
  95         .uleb128        0xb                     /* DW_FORM_data1 */
  96         .byte           0x0                     /* Terminator */
  97         .byte           0x0                     /* Terminator */
  98
  99         .uleb128        2                       /* Abbrev code */
 100         .uleb128        0x2e                    /* DW_TAG_subprogram */
 101         .byte           0                       /* has_children */
 102         .uleb128        0x3f                    /* DW_AT_external */
 103         .uleb128        0xc                     /* DW_FORM_flag */
 104         .uleb128        0x3a                    /* DW_AT_decl_file */
 105         .uleb128        0xb                     /* DW_FORM_data1 */
 106         .uleb128        0x3b                    /* DW_AT_decl_line */
 107         .uleb128        0xb                     /* DW_FORM_data1 */
 108         .uleb128        0x3                     /* DW_AT_name */
 109         .uleb128        0x8                     /* DW_FORM_string */
 110         .uleb128        0x49                    /* DW_AT_type */
 111         .uleb128        0x13                    /* DW_FORM_ref4 */
 112         .uleb128        0x11                    /* DW_AT_low_pc */
 113         .uleb128        0x1                     /* DW_FORM_addr */
 114         .uleb128        0x12                    /* DW_AT_high_pc */
 115         .uleb128        0x1                     /* DW_FORM_addr */
 116         .uleb128        0x40                    /* DW_AT_frame_base */
 117         .uleb128        0xa                     /* DW_FORM_block1 */
 118         .byte           0x0                     /* Terminator */
 119         .byte           0x0                     /* Terminator */
 120
 121         .uleb128        3                       /* Abbrev code */
 122         .uleb128        0x24                    /* DW_TAG_base_type */
 123         .byte           0                       /* has_children */
 124         .uleb128        0x3                     /* DW_AT_name */
 125         .uleb128        0x8                     /* DW_FORM_string */
 126         .uleb128        0xb                     /* DW_AT_byte_size */
 127         .uleb128        0xb                     /* DW_FORM_data1 */
 128         .uleb128        0x3e                    /* DW_AT_encoding */
 129         .uleb128        0xb                     /* DW_FORM_data1 */
 130         .byte           0x0                     /* Terminator */
 131         .byte           0x0                     /* Terminator */
 132
 133         .byte           0x0                     /* Terminator */
 134         .byte           0x0                     /* Terminator */
 135
 136 /* Line table */
 137         .section .debug_line
 138 .Lline1_begin:
 139         .4byte          .Lline1_end - .Lline1_start     /* Initial length */
 140 .Lline1_start:
 141         .2byte          2                       /* Version */
 142         .4byte          .Lline1_lines - .Lline1_hdr     /* header_length */
 143 .Lline1_hdr:
 144         .byte           1                       /* Minimum insn length */
 145         .byte           1                       /* default_is_stmt */
 146         .byte           1                       /* line_base */
 147         .byte           1                       /* line_range */
 148         .byte           0x10                    /* opcode_base */
 149
 150         /* Standard lengths */
 151         .byte           0
 152         .byte           1
 153         .byte           1
 154         .byte           1
 155         .byte           1
 156         .byte           0
 157         .byte           0
 158         .byte           0
 159         .byte           1
 160         .byte           0
 161         .byte           0
 162         .byte           1
 163         .byte           0
 164         .byte           0
 165         .byte           0
 166
 167         /* Include directories */
 168         .byte           0
 169
 170         /* File names */
 171         .ascii          "file1.txt\0"
 172         .uleb128        0
 173         .uleb128        0
 174         .uleb128        0
 175
 176         .byte           0
 177
 178 .Lline1_lines:
 179         .byte           0       /* DW_LNE_set_address */
 180         .uleb128        5
 181         .byte           2
 182         .4byte          .Lbegin_func_cu1
 183
 184         .byte           3       /* DW_LNS_advance_line */
 185         .sleb128        3       /* ... to 4 */
 186
 187         .byte           1       /* DW_LNS_copy */
 188
 189         .byte           1       /* DW_LNS_copy (second time as an end-of-prologue marker) */
 190
 191         .byte           0       /* DW_LNE_set_address */
 192         .uleb128        5
 193         .byte           2
 194         .4byte          .Lend_func_cu1
 195
 196         .byte           0       /* DW_LNE_end_of_sequence */
 197         .uleb128        1
 198         .byte           1
 199
 200 .Lline1_end: