binutils/testsuite/binutils-all/dw2-3.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright (C) 2004-2021 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         .4byte 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         /* This type is named "int1" and not "int" to ensure it is unique,
  68            and thus we can easily ensure we expand this CU and not some
  69            other CU with "int".  */
  70 .Ltype_int1_in_cu1:
  71         .uleb128        3                       /* Abbrev: DW_TAG_base_type */
  72         .ascii          "int1\0"                /* DW_AT_name */
  73         .byte           4                       /* DW_AT_byte_size */
  74         .byte           5                       /* DW_AT_encoding */
  75
  76 .Ltype_const_int1_in_cu1:
  77         .uleb128        4                       /* Abbrev: DW_TAG_const_type */
  78         .4byte           .Ltype_int1_in_cu1-.Lcu1_begin /* DW_AT_type */
  79
  80         .uleb128        5                       /* Abbrev: DW_TAG_variable */
  81         .ascii          "one\0"                 /* DW_AT_name */
  82         .4byte          .Ltype_const_int1_in_cu1-.Lcu1_begin   /* DW_AT_type */
  83         .byte           1                       /* DW_AT_const_value */
  84
  85         .byte           0                       /* End of children of CU */
  86
  87 .Lcu1_end:
  88
  89         /* Second compilation unit.  */
  90 .Lcu2_begin:
  91         /* CU header */
  92         .4byte  .Lcu2_end - .Lcu2_start         /* Length of Compilation Unit */
  93 .Lcu2_start:
  94         .2byte  2                               /* DWARF Version */
  95         .4byte  .Labbrev2_begin                 /* Offset into abbrev section */
  96         .byte   4                               /* Pointer size */
  97
  98         /* CU die */
  99         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
 100         .ascii  "file1.txt\0"                   /* DW_AT_name */
 101         .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
 102         .byte   1                               /* DW_AT_language (C) */
 103
 104         /* This type is named "int2" and not "int" to ensure it is unique,
 105            and thus we can easily ensure we expand this CU and not some
 106            other CU with "int".  */
 107 .Ltype_int2_in_cu2:
 108         .uleb128        2                       /* Abbrev: DW_TAG_base_type */
 109         .ascii          "int2\0"                /* DW_AT_name */
 110         .byte           4                       /* DW_AT_byte_size */
 111         .byte           5                       /* DW_AT_encoding */
 112
 113 .Ltype_const_int2_in_cu2:
 114         .uleb128        3                       /* Abbrev: DW_TAG_const_type */
 115         .4byte           .Ltype_int2_in_cu2-.Lcu2_begin /* DW_AT_type */
 116
 117         .uleb128        4                       /* Abbrev: DW_TAG_variable */
 118         .ascii          "two\0"                 /* DW_AT_name */
 119         .4byte          .Ltype_const_int2_in_cu2-.Lcu2_begin   /* DW_AT_type */
 120         .byte           2                       /* DW_AT_const_value */
 121
 122         .byte           0                       /* End of children of CU */
 123
 124 .Lcu2_end:
 125
 126 /* Abbrev table */
 127         .section .debug_abbrev
 128 .Labbrev1_begin:
 129         .uleb128        1                       /* Abbrev code */
 130         .uleb128        0x11                    /* DW_TAG_compile_unit */
 131         .byte           1                       /* has_children */
 132         .uleb128        0x10                    /* DW_AT_stmt_list */
 133         .uleb128        0x6                     /* DW_FORM_data4 */
 134         .uleb128        0x12                    /* DW_AT_high_pc */
 135         .uleb128        0x1                     /* DW_FORM_addr */
 136         .uleb128        0x11                    /* DW_AT_low_pc */
 137         .uleb128        0x1                     /* DW_FORM_addr */
 138         .uleb128        0x3                     /* DW_AT_name */
 139         .uleb128        0x8                     /* DW_FORM_string */
 140         .uleb128        0x25                    /* DW_AT_producer */
 141         .uleb128        0x8                     /* DW_FORM_string */
 142         .uleb128        0x13                    /* DW_AT_language */
 143         .uleb128        0xb                     /* DW_FORM_data1 */
 144         .byte           0x0                     /* Terminator */
 145         .byte           0x0                     /* Terminator */
 146
 147         .uleb128        2                       /* Abbrev code */
 148         .uleb128        0x2e                    /* DW_TAG_subprogram */
 149         .byte           0                       /* has_children */
 150         .uleb128        0x3f                    /* DW_AT_external */
 151         .uleb128        0xc                     /* DW_FORM_flag */
 152         .uleb128        0x3a                    /* DW_AT_decl_file */
 153         .uleb128        0xb                     /* DW_FORM_data1 */
 154         .uleb128        0x3b                    /* DW_AT_decl_line */
 155         .uleb128        0xb                     /* DW_FORM_data1 */
 156         .uleb128        0x3                     /* DW_AT_name */
 157         .uleb128        0x8                     /* DW_FORM_string */
 158         .uleb128        0x49                    /* DW_AT_type */
 159         .uleb128        0x10                    /* DW_FORM_ref_addr */
 160         .uleb128        0x11                    /* DW_AT_low_pc */
 161         .uleb128        0x1                     /* DW_FORM_addr */
 162         .uleb128        0x12                    /* DW_AT_high_pc */
 163         .uleb128        0x1                     /* DW_FORM_addr */
 164         .uleb128        0x40                    /* DW_AT_frame_base */
 165         .uleb128        0xa                     /* DW_FORM_block1 */
 166         .byte           0x0                     /* Terminator */
 167         .byte           0x0                     /* Terminator */
 168
 169         .uleb128        3                       /* Abbrev code */
 170         .uleb128        0x24                    /* DW_TAG_base_type */
 171         .byte           0                       /* has_children */
 172         .uleb128        0x3                     /* DW_AT_name */
 173         .uleb128        0x8                     /* DW_FORM_string */
 174         .uleb128        0xb                     /* DW_AT_byte_size */
 175         .uleb128        0xb                     /* DW_FORM_data1 */
 176         .uleb128        0x3e                    /* DW_AT_encoding */
 177         .uleb128        0xb                     /* DW_FORM_data1 */
 178         .byte           0x0                     /* Terminator */
 179         .byte           0x0                     /* Terminator */
 180
 181         .uleb128        4                       /* Abbrev code */
 182         .uleb128        0x26                    /* DW_TAG_const_type */
 183         .byte           0x0                     /* DW_children_no */
 184         .uleb128        0x49                    /* DW_AT_type */
 185         .uleb128        0x13                    /* DW_FORM_ref4 */
 186         .byte           0x0                     /* Terminator */
 187         .byte           0x0                     /* Terminator */
 188
 189         .uleb128        5                       /* Abbrev code */
 190         .uleb128        0x34                    /* DW_TAG_variable */
 191         .byte           0x0                     /* DW_children_no */
 192         .uleb128        0x3                     /* DW_AT_name */
 193         .uleb128        0x8                     /* DW_FORM_string */
 194         .uleb128        0x49                    /* DW_AT_type */
 195         .uleb128        0x13                    /* DW_FORM_ref4 */
 196         .uleb128        0x1c                    /* DW_AT_const_value */
 197         .uleb128        0xb                     /* DW_FORM_data1 */
 198         .byte           0x0                     /* Terminator */
 199         .byte           0x0                     /* Terminator */
 200
 201         .byte           0x0                     /* Terminator */
 202         .byte           0x0                     /* Terminator */
 203
 204 .Labbrev2_begin:
 205         .uleb128        1                       /* Abbrev code */
 206         .uleb128        0x11                    /* DW_TAG_compile_unit */
 207         .byte           1                       /* has_children */
 208         .uleb128        0x3                     /* DW_AT_name */
 209         .uleb128        0x8                     /* DW_FORM_string */
 210         .uleb128        0x25                    /* DW_AT_producer */
 211         .uleb128        0x8                     /* DW_FORM_string */
 212         .uleb128        0x13                    /* DW_AT_language */
 213         .uleb128        0xb                     /* DW_FORM_data1 */
 214         .byte           0x0                     /* Terminator */
 215         .byte           0x0                     /* Terminator */
 216
 217         .uleb128        2                       /* Abbrev code */
 218         .uleb128        0x24                    /* DW_TAG_base_type */
 219         .byte           0                       /* has_children */
 220         .uleb128        0x3                     /* DW_AT_name */
 221         .uleb128        0x8                     /* DW_FORM_string */
 222         .uleb128        0xb                     /* DW_AT_byte_size */
 223         .uleb128        0xb                     /* DW_FORM_data1 */
 224         .uleb128        0x3e                    /* DW_AT_encoding */
 225         .uleb128        0xb                     /* DW_FORM_data1 */
 226         .byte           0x0                     /* Terminator */
 227         .byte           0x0                     /* Terminator */
 228
 229         .uleb128        3                       /* Abbrev code */
 230         .uleb128        0x26                    /* DW_TAG_const_type */
 231         .byte           0x0                     /* DW_children_no */
 232         .uleb128        0x49                    /* DW_AT_type */
 233         .uleb128        0x13                    /* DW_FORM_ref4 */
 234         .byte           0x0                     /* Terminator */
 235         .byte           0x0                     /* Terminator */
 236
 237         .uleb128        4                       /* Abbrev code */
 238         .uleb128        0x34                    /* DW_TAG_variable */
 239         .byte           0x0                     /* DW_children_no */
 240         .uleb128        0x3                     /* DW_AT_name */
 241         .uleb128        0x8                     /* DW_FORM_string */
 242         .uleb128        0x49                    /* DW_AT_type */
 243         .uleb128        0x13                    /* DW_FORM_ref4 */
 244         .uleb128        0x1c                    /* DW_AT_const_value */
 245         .uleb128        0xb                     /* DW_FORM_data1 */
 246         .byte           0x0                     /* Terminator */
 247         .byte           0x0                     /* Terminator */
 248
 249         .byte           0x0                     /* Terminator */
 250         .byte           0x0                     /* Terminator */
 251
 252 /* Line table */
 253         .section .debug_line
 254 .Lline1_begin:
 255         .4byte          .Lline1_end - .Lline1_start     /* Initial length */
 256 .Lline1_start:
 257         .2byte          2                       /* Version */
 258         .4byte          .Lline1_lines - .Lline1_hdr     /* header_length */
 259 .Lline1_hdr:
 260         .byte           1                       /* Minimum insn length */
 261         .byte           1                       /* default_is_stmt */
 262         .byte           1                       /* line_base */
 263         .byte           1                       /* line_range */
 264         .byte           0x10                    /* opcode_base */
 265
 266         /* Standard lengths */
 267         .byte           0
 268         .byte           1
 269         .byte           1
 270         .byte           1
 271         .byte           1
 272         .byte           0
 273         .byte           0
 274         .byte           0
 275         .byte           1
 276         .byte           0
 277         .byte           0
 278         .byte           1
 279         .byte           0
 280         .byte           0
 281         .byte           0
 282
 283         /* Include directories */
 284         .byte           0
 285
 286         /* File names */
 287         .ascii          "file1.txt\0"
 288         .uleb128        0
 289         .uleb128        0
 290         .uleb128        0
 291
 292         .byte           0
 293
 294 .Lline1_lines:
 295         .byte           0       /* DW_LNE_set_address */
 296         .uleb128        5
 297         .byte           2
 298         .4byte          .Lbegin_func_cu1
 299
 300         .byte           3       /* DW_LNS_advance_line */
 301         .sleb128        3       /* ... to 4 */
 302
 303         .byte           1       /* DW_LNS_copy */
 304
 305         .byte           1       /* DW_LNS_copy (second time as an end-of-prologue marker) */
 306
 307         .byte           0       /* DW_LNE_set_address */
 308         .uleb128        5
 309         .byte           2
 310         .4byte          .Lend_func_cu1
 311
 312         .byte           0       /* DW_LNE_end_of_sequence */
 313         .uleb128        1
 314         .byte           1
 315
 316 .Lline1_end: