gdb/testsuite/gdb.dwarf2/dw2-anonymous-func.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004-2019 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         .globl func_cu2
  34         .type func_cu2, %function
  35 func_cu2:
  36 .Lbegin_func_cu2:
  37         .int 0
  38 .Lend_func_cu2:
  39         .size func_cu2, .-func_cu2
  40 .Lend_text1:
  41
  42 /* Debug information */
  43
  44         .section .debug_info
  45 .Lcu1_begin:
  46         /* CU header */
  47         .4byte  .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
  48 .Lcu1_start:
  49         .2byte  2                               /* DWARF Version */
  50         .4byte  .Labbrev1_begin                 /* Offset into abbrev section */
  51         .byte   4                               /* Pointer size */
  52
  53         /* CU die */
  54         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  55         .4byte  .Lline1_begin                   /* DW_AT_stmt_list */
  56         .4byte  .Lend_text1                     /* DW_AT_high_pc */
  57         .4byte  .Lbegin_text1                   /* DW_AT_low_pc */
  58         .ascii  "file1.txt\0"                   /* DW_AT_name */
  59         .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
  60         .byte   0x0d                            /* DW_AT_language (Ada95) */
  61
  62         /* func_cu1 */
  63         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  64         .byte           1                       /* DW_AT_external */
  65         .byte           1                       /* DW_AT_decl_file */
  66         .byte           2                       /* DW_AT_decl_line */
  67         .ascii          "func_cu1\0"            /* DW_AT_name */
  68         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  69         .4byte          .Lbegin_func_cu1        /* DW_AT_low_pc */
  70         .4byte          .Lend_func_cu1          /* DW_AT_high_pc */
  71         .byte           1                       /* DW_AT_frame_base: length */
  72         .byte           0x55                    /* DW_AT_frame_base: DW_OP_reg5 */
  73         /* Nested function missing a name attribute.  */
  74         .uleb128        4                       /* Abbrev: DW_TAG_subprogram */
  75         .byte           1                       /* DW_AT_external */
  76         .byte           1                       /* DW_AT_decl_file */
  77         .byte           2                       /* DW_AT_decl_line */
  78         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  79         .4byte          .Lbegin_func_cu2        /* DW_AT_low_pc */
  80         .4byte          .Lend_func_cu2          /* DW_AT_high_pc */
  81         .byte           1                       /* DW_AT_frame_base: length */
  82         .byte           0x55                    /* DW_AT_frame_base: DW_OP_reg5 */
  83         .byte           0x0                     /* End of children of func_cu1 */
  84
  85         /* Non-nested function missing a name attribute.  */
  86         .uleb128        4                       /* Abbrev: DW_TAG_subprogram */
  87         .byte           1                       /* DW_AT_external */
  88         .byte           1                       /* DW_AT_decl_file */
  89         .byte           2                       /* DW_AT_decl_line */
  90         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  91         .4byte          .Lbegin_func_cu2        /* DW_AT_low_pc */
  92         .4byte          .Lend_func_cu2          /* DW_AT_high_pc */
  93         .byte           1                       /* DW_AT_frame_base: length */
  94         .byte           0x55                    /* DW_AT_frame_base: DW_OP_reg5 */
  95
  96 .Ltype_int:
  97         .uleb128        3                       /* Abbrev: DW_TAG_base_type */
  98         .ascii          "int\0"                 /* DW_AT_name */
  99         .byte           4                       /* DW_AT_byte_size */
 100         .byte           5                       /* DW_AT_encoding */
 101
 102         .byte           0                       /* End of children of CU */
 103
 104 .Lcu1_end:
 105
 106 /* Abbrev table */
 107         .section .debug_abbrev
 108 .Labbrev1_begin:
 109         .uleb128        1                       /* Abbrev code */
 110         .uleb128        0x11                    /* DW_TAG_compile_unit */
 111         .byte           1                       /* has_children */
 112         .uleb128        0x10                    /* DW_AT_stmt_list */
 113         .uleb128        0x6                     /* DW_FORM_data4 */
 114         .uleb128        0x12                    /* DW_AT_high_pc */
 115         .uleb128        0x1                     /* DW_FORM_addr */
 116         .uleb128        0x11                    /* DW_AT_low_pc */
 117         .uleb128        0x1                     /* DW_FORM_addr */
 118         .uleb128        0x3                     /* DW_AT_name */
 119         .uleb128        0x8                     /* DW_FORM_string */
 120         .uleb128        0x25                    /* DW_AT_producer */
 121         .uleb128        0x8                     /* DW_FORM_string */
 122         .uleb128        0x13                    /* DW_AT_language */
 123         .uleb128        0xb                     /* DW_FORM_data1 */
 124         .byte           0x0                     /* Terminator */
 125         .byte           0x0                     /* Terminator */
 126
 127         .uleb128        2                       /* Abbrev code */
 128         .uleb128        0x2e                    /* DW_TAG_subprogram */
 129         .byte           1                       /* has_children */
 130         .uleb128        0x3f                    /* DW_AT_external */
 131         .uleb128        0xc                     /* DW_FORM_flag */
 132         .uleb128        0x3a                    /* DW_AT_decl_file */
 133         .uleb128        0xb                     /* DW_FORM_data1 */
 134         .uleb128        0x3b                    /* DW_AT_decl_line */
 135         .uleb128        0xb                     /* DW_FORM_data1 */
 136         .uleb128        0x3                     /* DW_AT_name */
 137         .uleb128        0x8                     /* DW_FORM_string */
 138         .uleb128        0x49                    /* DW_AT_type */
 139         .uleb128        0x13                    /* DW_FORM_ref4 */
 140         .uleb128        0x11                    /* DW_AT_low_pc */
 141         .uleb128        0x1                     /* DW_FORM_addr */
 142         .uleb128        0x12                    /* DW_AT_high_pc */
 143         .uleb128        0x1                     /* DW_FORM_addr */
 144         .uleb128        0x40                    /* DW_AT_frame_base */
 145         .uleb128        0xa                     /* DW_FORM_block1 */
 146         .byte           0x0                     /* Terminator */
 147         .byte           0x0                     /* Terminator */
 148
 149         .uleb128        3                       /* Abbrev code */
 150         .uleb128        0x24                    /* DW_TAG_base_type */
 151         .byte           0                       /* has_children */
 152         .uleb128        0x3                     /* DW_AT_name */
 153         .uleb128        0x8                     /* DW_FORM_string */
 154         .uleb128        0xb                     /* DW_AT_byte_size */
 155         .uleb128        0xb                     /* DW_FORM_data1 */
 156         .uleb128        0x3e                    /* DW_AT_encoding */
 157         .uleb128        0xb                     /* DW_FORM_data1 */
 158         .byte           0x0                     /* Terminator */
 159         .byte           0x0                     /* Terminator */
 160
 161         .uleb128        4                       /* Abbrev code */
 162         .uleb128        0x2e                    /* DW_TAG_subprogram */
 163         .byte           0                       /* has_children */
 164         .uleb128        0x3f                    /* DW_AT_external */
 165         .uleb128        0xc                     /* DW_FORM_flag */
 166         .uleb128        0x3a                    /* DW_AT_decl_file */
 167         .uleb128        0xb                     /* DW_FORM_data1 */
 168         .uleb128        0x3b                    /* DW_AT_decl_line */
 169         .uleb128        0xb                     /* DW_FORM_data1 */
 170         .uleb128        0x49                    /* DW_AT_type */
 171         .uleb128        0x13                    /* DW_FORM_ref4 */
 172         .uleb128        0x11                    /* DW_AT_low_pc */
 173         .uleb128        0x1                     /* DW_FORM_addr */
 174         .uleb128        0x12                    /* DW_AT_high_pc */
 175         .uleb128        0x1                     /* DW_FORM_addr */
 176         .uleb128        0x40                    /* DW_AT_frame_base */
 177         .uleb128        0xa                     /* DW_FORM_block1 */
 178         .byte           0x0                     /* Terminator */
 179         .byte           0x0                     /* Terminator */
 180
 181         .byte           0x0                     /* Terminator */
 182         .byte           0x0                     /* Terminator */
 183
 184 /* Line table */
 185         .section .debug_line
 186 .Lline1_begin:
 187         .4byte          .Lline1_end - .Lline1_start     /* Initial length */
 188 .Lline1_start:
 189         .2byte          2                       /* Version */
 190         .4byte          .Lline1_lines - .Lline1_hdr     /* header_length */
 191 .Lline1_hdr:
 192         .byte           1                       /* Minimum insn length */
 193         .byte           1                       /* default_is_stmt */
 194         .byte           1                       /* line_base */
 195         .byte           1                       /* line_range */
 196         .byte           0x10                    /* opcode_base */
 197
 198         /* Standard lengths */
 199         .byte           0
 200         .byte           1
 201         .byte           1
 202         .byte           1
 203         .byte           1
 204         .byte           0
 205         .byte           0
 206         .byte           0
 207         .byte           1
 208         .byte           0
 209         .byte           0
 210         .byte           1
 211         .byte           0
 212         .byte           0
 213         .byte           0
 214
 215         /* Include directories */
 216         .byte           0
 217
 218         /* File names */
 219         .ascii          "file1.txt\0"
 220         .uleb128        0
 221         .uleb128        0
 222         .uleb128        0
 223
 224         .byte           0
 225
 226 .Lline1_lines:
 227         .byte           0       /* DW_LNE_set_address */
 228         .uleb128        5
 229         .byte           2
 230         .4byte          .Lbegin_func_cu1
 231
 232         .byte           3       /* DW_LNS_advance_line */
 233         .sleb128        3       /* ... to 4 */
 234
 235         .byte           1       /* DW_LNS_copy */
 236
 237         .byte           1       /* DW_LNS_copy (second time as an end-of-prologue marker) */
 238
 239         .byte           0       /* DW_LNE_set_address */
 240         .uleb128        5
 241         .byte           2
 242         .4byte          .Lend_func_cu1
 243
 244         .byte           0       /* DW_LNE_end_of_sequence */
 245         .uleb128        1
 246         .byte           1
 247
 248 .Lline1_end: