gnu/dist/gdb6/gdb/testsuite/gdb.dwarf2/dw2-intermix.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2005 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 intermixed 32-bit and 64-bit DWARF
  21    formats.  This is not allowed by the (draft) DWARF-3 standard, but
  22    GDB should handle it gracefully nevertheless.  */
  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-.Lcu1_begin  /* 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 .Ltype_int:
  70         .uleb128        3                       /* Abbrev: DW_TAG_base_type */
  71         .ascii          "int\0"                 /* DW_AT_name */
  72         .byte           4                       /* DW_AT_byte_size */
  73         .byte           5                       /* DW_AT_encoding */
  74
  75         .byte           0                       /* End of children of CU */
  76
  77 .Lcu1_end:
  78
  79 /* Abbrev table */
  80         .section .debug_abbrev
  81 .Labbrev1_begin:
  82         .uleb128        1                       /* Abbrev code */
  83         .uleb128        0x11                    /* DW_TAG_compile_unit */
  84         .byte           1                       /* has_children */
  85         .uleb128        0x10                    /* DW_AT_stmt_list */
  86         .uleb128        0x6                     /* DW_FORM_data4 */
  87         .uleb128        0x12                    /* DW_AT_high_pc */
  88         .uleb128        0x1                     /* DW_FORM_addr */
  89         .uleb128        0x11                    /* DW_AT_low_pc */
  90         .uleb128        0x1                     /* DW_FORM_addr */
  91         .uleb128        0x3                     /* DW_AT_name */
  92         .uleb128        0x8                     /* DW_FORM_string */
  93         .uleb128        0x25                    /* DW_AT_producer */
  94         .uleb128        0x8                     /* DW_FORM_string */
  95         .uleb128        0x13                    /* DW_AT_language */
  96         .uleb128        0xb                     /* DW_FORM_data1 */
  97         .byte           0x0                     /* Terminator */
  98         .byte           0x0                     /* Terminator */
  99
 100         .uleb128        2                       /* Abbrev code */
 101         .uleb128        0x2e                    /* DW_TAG_subprogram */
 102         .byte           0                       /* has_children */
 103         .uleb128        0x3f                    /* DW_AT_external */
 104         .uleb128        0xc                     /* DW_FORM_flag */
 105         .uleb128        0x3a                    /* DW_AT_decl_file */
 106         .uleb128        0xb                     /* DW_FORM_data1 */
 107         .uleb128        0x3b                    /* DW_AT_decl_line */
 108         .uleb128        0xb                     /* DW_FORM_data1 */
 109         .uleb128        0x3                     /* DW_AT_name */
 110         .uleb128        0x8                     /* DW_FORM_string */
 111         .uleb128        0x49                    /* DW_AT_type */
 112         .uleb128        0x13                    /* DW_FORM_ref4 */
 113         .uleb128        0x11                    /* DW_AT_low_pc */
 114         .uleb128        0x1                     /* DW_FORM_addr */
 115         .uleb128        0x12                    /* DW_AT_high_pc */
 116         .uleb128        0x1                     /* DW_FORM_addr */
 117         .uleb128        0x40                    /* DW_AT_frame_base */
 118         .uleb128        0xa                     /* DW_FORM_block1 */
 119         .byte           0x0                     /* Terminator */
 120         .byte           0x0                     /* Terminator */
 121
 122         .uleb128        3                       /* Abbrev code */
 123         .uleb128        0x24                    /* DW_TAG_base_type */
 124         .byte           0                       /* has_children */
 125         .uleb128        0x3                     /* DW_AT_name */
 126         .uleb128        0x8                     /* DW_FORM_string */
 127         .uleb128        0xb                     /* DW_AT_byte_size */
 128         .uleb128        0xb                     /* DW_FORM_data1 */
 129         .uleb128        0x3e                    /* DW_AT_encoding */
 130         .uleb128        0xb                     /* DW_FORM_data1 */
 131         .byte           0x0                     /* Terminator */
 132         .byte           0x0                     /* Terminator */
 133
 134         .byte           0x0                     /* Terminator */
 135         .byte           0x0                     /* Terminator */
 136
 137 /* Line table */
 138         .section .debug_line
 139 .Lline1_begin:
 140         .int            0xffffffff
 141         .quad           .Lline1_end - .Lline1_start     /* Initial length */
 142 .Lline1_start:
 143         .short          2                       /* Version */
 144         .quad           .Lline1_lines - .Lline1_hdr     /* header_length */
 145 .Lline1_hdr:
 146         .byte           1                       /* Minimum insn length */
 147         .byte           1                       /* default_is_stmt */
 148         .byte           1                       /* line_base */
 149         .byte           1                       /* line_range */
 150         .byte           0x10                    /* opcode_base */
 151
 152         /* Standard lengths */
 153         .byte           0
 154         .byte           1
 155         .byte           1
 156         .byte           1
 157         .byte           1
 158         .byte           0
 159         .byte           0
 160         .byte           0
 161         .byte           1
 162         .byte           0
 163         .byte           0
 164         .byte           1
 165         .byte           0
 166         .byte           0
 167         .byte           0
 168
 169         /* Include directories */
 170         .byte           0
 171
 172         /* File names */
 173         .ascii          "file1.txt\0"
 174         .uleb128        0
 175         .uleb128        0
 176         .uleb128        0
 177
 178         .byte           0
 179
 180 .Lline1_lines:
 181         .byte           0       /* DW_LNE_set_address */
 182         .uleb128        5
 183         .byte           2
 184         .int            .Lbegin_func_cu1
 185
 186         .byte           3       /* DW_LNS_advance_line */
 187         .sleb128        3       /* ... to 4 */
 188
 189         .byte           1       /* DW_LNS_copy */
 190
 191         .byte           1       /* DW_LNS_copy (second time as an end-of-prologue marker) */
 192
 193         .byte           0       /* DW_LNE_set_address */
 194         .uleb128        5
 195         .byte           2
 196         .int            .Lend_func_cu1
 197
 198         .byte           0       /* DW_LNE_end_of_sequence */
 199         .uleb128        1
 200         .byte           1
 201
 202 .Lline1_end: