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

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004-2013 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 a minimal file containing DWARF-2 information.  This test also
  19    serves as a skeleton for other DWARF-2 tests.  Most other tests will
  20    not be this extensively itemized and commented...  */
  21
  22 /* Dummy function to provide debug information for.  */
  23
  24         .text
  25 .Lbegin_text1:
  26         .globl func_cu1
  27         .type func_cu1, %function
  28 func_cu1:
  29 .Lbegin_func_cu1:
  30         .int 0
  31 .Lend_func_cu1:
  32         .size func_cu1, .-func_cu1
  33 .Lend_text1:
  34
  35 /* Debug information */
  36
  37         .section .debug_info
  38 .Lcu1_begin:
  39         /* CU header */
  40         .4byte  .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
  41 .Lcu1_start:
  42         .2byte  2                               /* DWARF Version */
  43         .4byte  .Labbrev1_begin                 /* Offset into abbrev section */
  44         .byte   4                               /* Pointer size */
  45
  46         /* CU die */
  47         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  48         .4byte  .Lline1_begin                   /* DW_AT_stmt_list */
  49         .4byte  .Lend_text1                     /* DW_AT_high_pc */
  50         .4byte  .Lbegin_text1                   /* DW_AT_low_pc */
  51         .ascii  "file1.txt\0"                   /* DW_AT_name */
  52         .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
  53         .byte   1                               /* DW_AT_language (C) */
  54
  55         /* func_cu1 */
  56         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  57         .byte           1                       /* DW_AT_external */
  58         .byte           1                       /* DW_AT_decl_file */
  59         .byte           2                       /* DW_AT_decl_line */
  60         .ascii          "func_cu1\0"            /* DW_AT_name */
  61         .4byte          .Ltype_int2_in_cu2      /* DW_AT_type */
  62         .4byte          .Lbegin_func_cu1        /* DW_AT_low_pc */
  63         .4byte          .Lend_func_cu1          /* DW_AT_high_pc */
  64         .byte           1                       /* DW_AT_frame_base: length */
  65         .byte           0x55                    /* DW_AT_frame_base: DW_OP_reg5 */
  66
  67         .byte           0                       /* End of children of CU */
  68
  69 .Lcu1_end:
  70
  71         /* Second compilation unit.  */
  72 .Lcu2_begin:
  73         /* CU header */
  74         .4byte  .Lcu2_end - .Lcu2_start         /* Length of Compilation Unit */
  75 .Lcu2_start:
  76         .2byte  2                               /* DWARF Version */
  77         .4byte  .Labbrev2_begin                 /* Offset into abbrev section */
  78         .byte   4                               /* Pointer size */
  79
  80         /* CU die */
  81         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  82         .ascii  "file1.txt\0"                   /* DW_AT_name */
  83         .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
  84         .byte   1                               /* DW_AT_language (C) */
  85
  86         /* This type is named "int2" and not "int" to ensure it is unique,
  87            and thus we can easily ensure we expand this CU and not some
  88            other CU with "int".  */
  89 .Ltype_int2_in_cu2:
  90         .uleb128        2                       /* Abbrev: DW_TAG_base_type */
  91         .ascii          "int2\0"                /* DW_AT_name */
  92         .byte           4                       /* DW_AT_byte_size */
  93         .byte           5                       /* DW_AT_encoding */
  94
  95         .byte           0                       /* End of children of CU */
  96
  97 .Lcu2_end:
  98
  99 /* Abbrev table */
 100         .section .debug_abbrev
 101 .Labbrev1_begin:
 102         .uleb128        1                       /* Abbrev code */
 103         .uleb128        0x11                    /* DW_TAG_compile_unit */
 104         .byte           1                       /* has_children */
 105         .uleb128        0x10                    /* DW_AT_stmt_list */
 106         .uleb128        0x6                     /* DW_FORM_data4 */
 107         .uleb128        0x12                    /* DW_AT_high_pc */
 108         .uleb128        0x1                     /* DW_FORM_addr */
 109         .uleb128        0x11                    /* DW_AT_low_pc */
 110         .uleb128        0x1                     /* DW_FORM_addr */
 111         .uleb128        0x3                     /* DW_AT_name */
 112         .uleb128        0x8                     /* DW_FORM_string */
 113         .uleb128        0x25                    /* DW_AT_producer */
 114         .uleb128        0x8                     /* DW_FORM_string */
 115         .uleb128        0x13                    /* DW_AT_language */
 116         .uleb128        0xb                     /* DW_FORM_data1 */
 117         .byte           0x0                     /* Terminator */
 118         .byte           0x0                     /* Terminator */
 119
 120         .uleb128        2                       /* Abbrev code */
 121         .uleb128        0x2e                    /* DW_TAG_subprogram */
 122         .byte           0                       /* has_children */
 123         .uleb128        0x3f                    /* DW_AT_external */
 124         .uleb128        0xc                     /* DW_FORM_flag */
 125         .uleb128        0x3a                    /* DW_AT_decl_file */
 126         .uleb128        0xb                     /* DW_FORM_data1 */
 127         .uleb128        0x3b                    /* DW_AT_decl_line */
 128         .uleb128        0xb                     /* DW_FORM_data1 */
 129         .uleb128        0x3                     /* DW_AT_name */
 130         .uleb128        0x8                     /* DW_FORM_string */
 131         .uleb128        0x49                    /* DW_AT_type */
 132         .uleb128        0x10                    /* DW_FORM_ref_addr */
 133         .uleb128        0x11                    /* DW_AT_low_pc */
 134         .uleb128        0x1                     /* DW_FORM_addr */
 135         .uleb128        0x12                    /* DW_AT_high_pc */
 136         .uleb128        0x1                     /* DW_FORM_addr */
 137         .uleb128        0x40                    /* DW_AT_frame_base */
 138         .uleb128        0xa                     /* DW_FORM_block1 */
 139         .byte           0x0                     /* Terminator */
 140         .byte           0x0                     /* Terminator */
 141
 142         .byte           0x0                     /* Terminator */
 143         .byte           0x0                     /* Terminator */
 144
 145 .Labbrev2_begin:
 146         .uleb128        1                       /* Abbrev code */
 147         .uleb128        0x11                    /* DW_TAG_compile_unit */
 148         .byte           1                       /* has_children */
 149         .uleb128        0x3                     /* DW_AT_name */
 150         .uleb128        0x8                     /* DW_FORM_string */
 151         .uleb128        0x25                    /* DW_AT_producer */
 152         .uleb128        0x8                     /* DW_FORM_string */
 153         .uleb128        0x13                    /* DW_AT_language */
 154         .uleb128        0xb                     /* DW_FORM_data1 */
 155         .byte           0x0                     /* Terminator */
 156         .byte           0x0                     /* Terminator */
 157
 158         .uleb128        2                       /* Abbrev code */
 159         .uleb128        0x24                    /* DW_TAG_base_type */
 160         .byte           0                       /* has_children */
 161         .uleb128        0x3                     /* DW_AT_name */
 162         .uleb128        0x8                     /* DW_FORM_string */
 163         .uleb128        0xb                     /* DW_AT_byte_size */
 164         .uleb128        0xb                     /* DW_FORM_data1 */
 165         .uleb128        0x3e                    /* DW_AT_encoding */
 166         .uleb128        0xb                     /* DW_FORM_data1 */
 167         .byte           0x0                     /* Terminator */
 168         .byte           0x0                     /* Terminator */
 169
 170         .byte           0x0                     /* Terminator */
 171         .byte           0x0                     /* Terminator */
 172
 173 /* Line table */
 174         .section .debug_line
 175 .Lline1_begin:
 176         .4byte          .Lline1_end - .Lline1_start     /* Initial length */
 177 .Lline1_start:
 178         .2byte          2                       /* Version */
 179         .4byte          .Lline1_lines - .Lline1_hdr     /* header_length */
 180 .Lline1_hdr:
 181         .byte           1                       /* Minimum insn length */
 182         .byte           1                       /* default_is_stmt */
 183         .byte           1                       /* line_base */
 184         .byte           1                       /* line_range */
 185         .byte           0x10                    /* opcode_base */
 186
 187         /* Standard lengths */
 188         .byte           0
 189         .byte           1
 190         .byte           1
 191         .byte           1
 192         .byte           1
 193         .byte           0
 194         .byte           0
 195         .byte           0
 196         .byte           1
 197         .byte           0
 198         .byte           0
 199         .byte           1
 200         .byte           0
 201         .byte           0
 202         .byte           0
 203
 204         /* Include directories */
 205         .byte           0
 206
 207         /* File names */
 208         .ascii          "file1.txt\0"
 209         .uleb128        0
 210         .uleb128        0
 211         .uleb128        0
 212
 213         .byte           0
 214
 215 .Lline1_lines:
 216         .byte           0       /* DW_LNE_set_address */
 217         .uleb128        5
 218         .byte           2
 219         .4byte          .Lbegin_func_cu1
 220
 221         .byte           3       /* DW_LNS_advance_line */
 222         .sleb128        3       /* ... to 4 */
 223
 224         .byte           1       /* DW_LNS_copy */
 225
 226         .byte           1       /* DW_LNS_copy (second time as an end-of-prologue marker) */
 227
 228         .byte           0       /* DW_LNE_set_address */
 229         .uleb128        5
 230         .byte           2
 231         .4byte          .Lend_func_cu1
 232
 233         .byte           0       /* DW_LNE_end_of_sequence */
 234         .uleb128        1
 235         .byte           1
 236
 237 .Lline1_end: