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

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004, 2007 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 2 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, write to the Free Software
  17    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  18    USA.  */
  19
  20 /* Test a minimal file containing DWARF-2 information.  This test also
  21    serves as a skeleton for other DWARF-2 tests.  Most other tests will
  22    not be this extensively itemized and commented...  */
  23
  24 /* Dummy function to provide debug information for.  */
  25
  26         .text
  27 .Lbegin_text1:
  28         .globl func_cu1
  29         .type func_cu1, %function
  30 func_cu1:
  31 .Lbegin_func_cu1:
  32         .int 0
  33 .Lend_func_cu1:
  34         .size func_cu1, .-func_cu1
  35 .Lend_text1:
  36
  37 /* Debug information */
  38
  39         .section .debug_info
  40 .Lcu1_begin:
  41         /* CU header */
  42         .int    .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
  43 .Lcu1_start:
  44         .short  2                               /* DWARF Version */
  45         .int    .Labbrev1_begin                 /* Offset into abbrev section */
  46         .byte   4                               /* Pointer size */
  47
  48         /* CU die */
  49         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  50         .int    .Lline1_begin                   /* DW_AT_stmt_list */
  51         .int    .Lend_text1                     /* DW_AT_high_pc */
  52         .int    .Lbegin_text1                   /* DW_AT_low_pc */
  53         .ascii  "file1.txt\0"                   /* DW_AT_name */
  54         .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
  55         .byte   1                               /* DW_AT_language (C) */
  56
  57         /* func_cu1 */
  58         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  59         .byte           1                       /* DW_AT_external */
  60         .byte           1                       /* DW_AT_decl_file */
  61         .byte           2                       /* DW_AT_decl_line */
  62         .ascii          "func_cu1\0"            /* DW_AT_name */
  63         .int            .Ltype_int              /* DW_AT_type */
  64         .int            .Lbegin_func_cu1        /* DW_AT_low_pc */
  65         .int            .Lend_func_cu1          /* DW_AT_high_pc */
  66         .byte           1                       /* DW_AT_frame_base: length */
  67         .byte           0x55                    /* DW_AT_frame_base: DW_OP_reg5 */
  68
  69         .byte           0                       /* End of children of CU */
  70
  71 .Lcu1_end:
  72
  73         /* Second compilation unit.  */
  74 .Lcu2_begin:
  75         /* CU header */
  76         .int    .Lcu2_end - .Lcu2_start         /* Length of Compilation Unit */
  77 .Lcu2_start:
  78         .short  2                               /* DWARF Version */
  79         .int    .Labbrev2_begin                 /* Offset into abbrev section */
  80         .byte   4                               /* Pointer size */
  81
  82         /* CU die */
  83         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  84         .ascii  "file1.txt\0"                   /* DW_AT_name */
  85         .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
  86         .byte   1                               /* DW_AT_language (C) */
  87
  88 .Ltype_int:
  89         .uleb128        2                       /* Abbrev: DW_TAG_base_type */
  90         .ascii          "int\0"                 /* DW_AT_name */
  91         .byte           4                       /* DW_AT_byte_size */
  92         .byte           5                       /* DW_AT_encoding */
  93
  94         .byte           0                       /* End of children of CU */
  95
  96 .Lcu2_end:
  97
  98 /* Abbrev table */
  99         .section .debug_abbrev
 100 .Labbrev1_begin:
 101         .uleb128        1                       /* Abbrev code */
 102         .uleb128        0x11                    /* DW_TAG_compile_unit */
 103         .byte           1                       /* has_children */
 104         .uleb128        0x10                    /* DW_AT_stmt_list */
 105         .uleb128        0x6                     /* DW_FORM_data4 */
 106         .uleb128        0x12                    /* DW_AT_high_pc */
 107         .uleb128        0x1                     /* DW_FORM_addr */
 108         .uleb128        0x11                    /* DW_AT_low_pc */
 109         .uleb128        0x1                     /* DW_FORM_addr */
 110         .uleb128        0x3                     /* DW_AT_name */
 111         .uleb128        0x8                     /* DW_FORM_string */
 112         .uleb128        0x25                    /* DW_AT_producer */
 113         .uleb128        0x8                     /* DW_FORM_string */
 114         .uleb128        0x13                    /* DW_AT_language */
 115         .uleb128        0xb                     /* DW_FORM_data1 */
 116         .byte           0x0                     /* Terminator */
 117         .byte           0x0                     /* Terminator */
 118
 119         .uleb128        2                       /* Abbrev code */
 120         .uleb128        0x2e                    /* DW_TAG_subprogram */
 121         .byte           0                       /* has_children */
 122         .uleb128        0x3f                    /* DW_AT_external */
 123         .uleb128        0xc                     /* DW_FORM_flag */
 124         .uleb128        0x3a                    /* DW_AT_decl_file */
 125         .uleb128        0xb                     /* DW_FORM_data1 */
 126         .uleb128        0x3b                    /* DW_AT_decl_line */
 127         .uleb128        0xb                     /* DW_FORM_data1 */
 128         .uleb128        0x3                     /* DW_AT_name */
 129         .uleb128        0x8                     /* DW_FORM_string */
 130         .uleb128        0x49                    /* DW_AT_type */
 131         .uleb128        0x10                    /* DW_FORM_ref_addr */
 132         .uleb128        0x11                    /* DW_AT_low_pc */
 133         .uleb128        0x1                     /* DW_FORM_addr */
 134         .uleb128        0x12                    /* DW_AT_high_pc */
 135         .uleb128        0x1                     /* DW_FORM_addr */
 136         .uleb128        0x40                    /* DW_AT_frame_base */
 137         .uleb128        0xa                     /* DW_FORM_block1 */
 138         .byte           0x0                     /* Terminator */
 139         .byte           0x0                     /* Terminator */
 140
 141         .byte           0x0                     /* Terminator */
 142         .byte           0x0                     /* Terminator */
 143
 144 .Labbrev2_begin:
 145         .uleb128        1                       /* Abbrev code */
 146         .uleb128        0x11                    /* DW_TAG_compile_unit */
 147         .byte           1                       /* has_children */
 148         .uleb128        0x3                     /* DW_AT_name */
 149         .uleb128        0x8                     /* DW_FORM_string */
 150         .uleb128        0x25                    /* DW_AT_producer */
 151         .uleb128        0x8                     /* DW_FORM_string */
 152         .uleb128        0x13                    /* DW_AT_language */
 153         .uleb128        0xb                     /* DW_FORM_data1 */
 154         .byte           0x0                     /* Terminator */
 155         .byte           0x0                     /* Terminator */
 156
 157         .uleb128        2                       /* Abbrev code */
 158         .uleb128        0x24                    /* DW_TAG_base_type */
 159         .byte           0                       /* has_children */
 160         .uleb128        0x3                     /* DW_AT_name */
 161         .uleb128        0x8                     /* DW_FORM_string */
 162         .uleb128        0xb                     /* DW_AT_byte_size */
 163         .uleb128        0xb                     /* DW_FORM_data1 */
 164         .uleb128        0x3e                    /* DW_AT_encoding */
 165         .uleb128        0xb                     /* DW_FORM_data1 */
 166         .byte           0x0                     /* Terminator */
 167         .byte           0x0                     /* Terminator */
 168
 169         .byte           0x0                     /* Terminator */
 170         .byte           0x0                     /* Terminator */
 171
 172 /* Line table */
 173         .section .debug_line
 174 .Lline1_begin:
 175         .int            .Lline1_end - .Lline1_start     /* Initial length */
 176 .Lline1_start:
 177         .short          2                       /* Version */
 178         .int            .Lline1_lines - .Lline1_hdr     /* header_length */
 179 .Lline1_hdr:
 180         .byte           1                       /* Minimum insn length */
 181         .byte           1                       /* default_is_stmt */
 182         .byte           1                       /* line_base */
 183         .byte           1                       /* line_range */
 184         .byte           0x10                    /* opcode_base */
 185
 186         /* Standard lengths */
 187         .byte           0
 188         .byte           1
 189         .byte           1
 190         .byte           1
 191         .byte           1
 192         .byte           0
 193         .byte           0
 194         .byte           0
 195         .byte           1
 196         .byte           0
 197         .byte           0
 198         .byte           1
 199         .byte           0
 200         .byte           0
 201         .byte           0
 202
 203         /* Include directories */
 204         .byte           0
 205
 206         /* File names */
 207         .ascii          "file1.txt\0"
 208         .uleb128        0
 209         .uleb128        0
 210         .uleb128        0
 211
 212         .byte           0
 213
 214 .Lline1_lines:
 215         .byte           0       /* DW_LNE_set_address */
 216         .uleb128        5
 217         .byte           2
 218         .int            .Lbegin_func_cu1
 219
 220         .byte           3       /* DW_LNS_advance_line */
 221         .sleb128        3       /* ... to 4 */
 222
 223         .byte           1       /* DW_LNS_copy */
 224
 225         .byte           1       /* DW_LNS_copy (second time as an end-of-prologue marker) */
 226
 227         .byte           0       /* DW_LNE_set_address */
 228         .uleb128        5
 229         .byte           2
 230         .int            .Lend_func_cu1
 231
 232         .byte           0       /* DW_LNE_end_of_sequence */
 233         .uleb128        1
 234         .byte           1
 235
 236 .Lline1_end: