utilsrc/srcX86MAC64/Admin/gdb-7.7.1/gdb/testsuite/gdb.dwarf2/dw2-skip-prologue.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2011-2014 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         .section .debug_info
  19 .Lcu1_begin:
  20         /* CU header */
  21         .4byte  .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
  22 .Lcu1_start:
  23         .2byte  2                               /* DWARF Version */
  24         .4byte  .Labbrev1_begin                 /* Offset into abbrev section */
  25         .byte   4                               /* Pointer size */
  26
  27         /* CU die */
  28         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  29         .4byte  .Lline1_begin                   /* DW_AT_stmt_list */
  30         .4byte  func_start                      /* DW_AT_low_pc */
  31         .4byte  func_end                        /* DW_AT_high_pc */
  32         .ascii  "main.c\0"                      /* DW_AT_name */
  33         .ascii  "GNU C 4.5.0\0"                 /* DW_AT_producer must be >= 4.5  */
  34         .byte   2                               /* DW_AT_language (DW_LANG_C) */
  35
  36         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  37         .byte           1                       /* DW_AT_external */
  38         .ascii          "func\0"                /* DW_AT_name */
  39         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  40         .4byte          func_start              /* DW_AT_low_pc */
  41         .4byte          func_end                /* DW_AT_high_pc */
  42
  43 /* GDB `has_loclist' detection of -O2 -g code needs to see a DW_AT_location
  44    location list.  There may exist -O2 -g CUs still not needing/using any such
  45    location list - exactly like this CU.  Make one up.  */
  46
  47         .uleb128        0x7                     /* (DIE (0x42) DW_TAG_formal_parameter) */
  48         .ascii          "param\0"               /* DW_AT_name */
  49         .4byte          .Ltype_int - .Lcu1_begin        /* DW_AT_type */
  50         .4byte          loclist                 /* DW_AT_location */
  51
  52         .uleb128        4                       /* Abbrev: DW_TAG_inlined_subroutine */
  53         .ascii          "inlined\0"             /* DW_AT_name */
  54         .4byte          func0                   /* DW_AT_low_pc */
  55         .4byte          func1                   /* DW_AT_high_pc */
  56         .byte           3                       /* DW_AT_inline (DW_INL_declared_inlined) */
  57         .byte           1                       /* DW_AT_call_file */
  58         .byte           8                       /* DW_AT_call_line */
  59
  60         .uleb128        4                       /* Abbrev: DW_TAG_inlined_subroutine */
  61         .ascii          "inlined2\0"            /* DW_AT_name */
  62         .4byte          func2                   /* DW_AT_low_pc */
  63         .4byte          func3                   /* DW_AT_high_pc */
  64         .byte           3                       /* DW_AT_inline (DW_INL_declared_inlined) */
  65         .byte           1                       /* DW_AT_call_file */
  66         .byte           11                      /* DW_AT_call_line */
  67
  68 #ifdef INLINED
  69         .uleb128        4                       /* Abbrev: DW_TAG_inlined_subroutine */
  70         .ascii          "otherinline\0"         /* DW_AT_name */
  71         .4byte          func3                   /* DW_AT_low_pc */
  72         .4byte          func_end                /* DW_AT_high_pc */
  73         .byte           3                       /* DW_AT_inline (DW_INL_declared_inlined) */
  74         .byte           1                       /* DW_AT_call_file */
  75         .byte           9                       /* DW_AT_call_line */
  76 #endif
  77
  78 #ifdef LEXICAL
  79         .uleb128        5                       /* Abbrev: DW_TAG_lexical_block */
  80         .4byte          func3                   /* DW_AT_low_pc */
  81         .4byte          func_end                /* DW_AT_high_pc */
  82
  83         /* GDB would otherwise ignore the DW_TAG_lexical_block.  */
  84         .uleb128        6                       /* Abbrev: DW_TAG_variable */
  85         .ascii          "lexicalvar\0"          /* DW_AT_name */
  86         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  87
  88         .byte           0                       /* End of children of DW_TAG_lexical_block */
  89 #endif
  90
  91         .byte           0                       /* End of children of DW_TAG_subprogram */
  92
  93 /* Simulate `fund' is also named `func' so that the function name matches and
  94    fund's SAL is not discarded in expand_line_sal_maybe.  */
  95
  96         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  97         .byte           1                       /* DW_AT_external */
  98         .ascii          "func\0"                /* DW_AT_name */
  99         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
 100         .4byte          fund_start              /* DW_AT_low_pc */
 101         .4byte          fund_end                /* DW_AT_high_pc */
 102
 103         .byte           0                       /* End of children of DW_TAG_subprogram */
 104
 105 .Ltype_int:
 106         .uleb128        3                       /* Abbrev: DW_TAG_base_type */
 107         .ascii          "int\0"                 /* DW_AT_name */
 108         .byte           4                       /* DW_AT_byte_size */
 109         .byte           5                       /* DW_AT_encoding */
 110
 111         .byte           0                       /* End of children of CU */
 112
 113 .Lcu1_end:
 114
 115         .section        .debug_loc
 116 loclist:
 117         /* Reset the location list base address first.  */
 118         .4byte          -1, 0
 119
 120         .4byte          func_start, func_end
 121         .2byte          2f-1f
 122 1:      .byte           0x50    /* DW_OP_reg0 */
 123 2:
 124         /* Location list end.  */
 125         .4byte  0, 0
 126
 127 /* Abbrev table */
 128         .section .debug_abbrev
 129 .Labbrev1_begin:
 130         .uleb128        1                       /* Abbrev code */
 131         .uleb128        0x11                    /* DW_TAG_compile_unit */
 132         .byte           1                       /* has_children */
 133         .uleb128        0x10                    /* DW_AT_stmt_list */
 134         .uleb128        0x6                     /* DW_FORM_data4 */
 135         .uleb128        0x11                    /* DW_AT_low_pc */
 136         .uleb128        0x1                     /* DW_FORM_addr */
 137         .uleb128        0x12                    /* DW_AT_high_pc */
 138         .uleb128        0x1                     /* DW_FORM_addr */
 139         .uleb128        0x3                     /* DW_AT_name */
 140         .uleb128        0x8                     /* DW_FORM_string */
 141         .uleb128        0x25                    /* DW_AT_producer */
 142         .uleb128        0x8                     /* DW_FORM_string */
 143         .uleb128        0x13                    /* DW_AT_language */
 144         .uleb128        0xb                     /* DW_FORM_data1 */
 145         .byte           0x0                     /* Terminator */
 146         .byte           0x0                     /* Terminator */
 147
 148         .uleb128        2                       /* Abbrev code */
 149         .uleb128        0x2e                    /* DW_TAG_subprogram */
 150         .byte           1                       /* has_children */
 151         .uleb128        0x3f                    /* DW_AT_external */
 152         .uleb128        0xc                     /* DW_FORM_flag */
 153         .uleb128        0x3                     /* DW_AT_name */
 154         .uleb128        0x8                     /* DW_FORM_string */
 155         .uleb128        0x49                    /* DW_AT_type */
 156         .uleb128        0x13                    /* DW_FORM_ref4 */
 157         .uleb128        0x11                    /* DW_AT_low_pc */
 158         .uleb128        0x1                     /* DW_FORM_addr */
 159         .uleb128        0x12                    /* DW_AT_high_pc */
 160         .uleb128        0x1                     /* DW_FORM_addr */
 161         .byte           0x0                     /* Terminator */
 162         .byte           0x0                     /* Terminator */
 163
 164         .uleb128        3                       /* Abbrev code */
 165         .uleb128        0x24                    /* DW_TAG_base_type */
 166         .byte           0                       /* has_children */
 167         .uleb128        0x3                     /* DW_AT_name */
 168         .uleb128        0x8                     /* DW_FORM_string */
 169         .uleb128        0xb                     /* DW_AT_byte_size */
 170         .uleb128        0xb                     /* DW_FORM_data1 */
 171         .uleb128        0x3e                    /* DW_AT_encoding */
 172         .uleb128        0xb                     /* DW_FORM_data1 */
 173         .byte           0x0                     /* Terminator */
 174         .byte           0x0                     /* Terminator */
 175
 176         .uleb128        4                       /* Abbrev code */
 177         .uleb128        0x1d                    /* DW_TAG_inlined_subroutine */
 178         .byte           0                       /* has_children */
 179         .uleb128        0x3                     /* DW_AT_name */
 180         .uleb128        0x8                     /* DW_FORM_string */
 181         .uleb128        0x11                    /* DW_AT_low_pc */
 182         .uleb128        0x1                     /* DW_FORM_addr */
 183         .uleb128        0x12                    /* DW_AT_high_pc */
 184         .uleb128        0x1                     /* DW_FORM_addr */
 185         .uleb128        0x20                    /* DW_AT_inline */
 186         .uleb128        0xb                     /* DW_FORM_data1 */
 187         .uleb128        0x58                    /* DW_AT_call_file */
 188         .uleb128        0xb                     /* DW_FORM_data1 */
 189         .uleb128        0x59                    /* DW_AT_call_line */
 190         .uleb128        0xb                     /* DW_FORM_data1 */
 191         .byte           0x0                     /* Terminator */
 192         .byte           0x0                     /* Terminator */
 193
 194         .uleb128        5                       /* Abbrev code */
 195         .uleb128        0x0b                    /* DW_TAG_lexical_block */
 196         .byte           1                       /* has_children */
 197         .uleb128        0x11                    /* DW_AT_low_pc */
 198         .uleb128        0x1                     /* DW_FORM_addr */
 199         .uleb128        0x12                    /* DW_AT_high_pc */
 200         .uleb128        0x1                     /* DW_FORM_addr */
 201         .byte           0x0                     /* Terminator */
 202         .byte           0x0                     /* Terminator */
 203
 204         .uleb128        6                       /* Abbrev code */
 205         .uleb128        0x34                    /* DW_TAG_variable */
 206         .byte           0                       /* has_children */
 207         .uleb128        0x3                     /* DW_AT_name */
 208         .uleb128        0x8                     /* DW_FORM_string */
 209         .uleb128        0x49                    /* DW_AT_type */
 210         .uleb128        0x13                    /* DW_FORM_ref4 */
 211         .byte           0x0                     /* Terminator */
 212         .byte           0x0                     /* Terminator */
 213
 214         .uleb128        0x7                     /* (abbrev code) */
 215         .uleb128        0x5                     /* (TAG: DW_TAG_formal_parameter) */
 216         .byte           0x0                     /* DW_children_no */
 217         .uleb128        0x3                     /* DW_AT_name */
 218         .uleb128        0x8                     /* DW_FORM_string */
 219         .uleb128        0x49                    /* (DW_AT_type) */
 220         .uleb128        0x13                    /* (DW_FORM_ref4) */
 221         .uleb128        0x02                    /* (DW_AT_location) */
 222         .uleb128        0x06                    /* (DW_FORM_data4) */
 223         .byte           0x0
 224         .byte           0x0
 225
 226         .byte           0x0                     /* Terminator */
 227         .byte           0x0                     /* Terminator */
 228
 229 /* Line table */
 230         .section .debug_line
 231 .Lline1_begin:
 232         .4byte          .Lline1_end - .Lline1_start     /* Initial length */
 233 .Lline1_start:
 234         .2byte          2                       /* Version */
 235         .4byte          .Lline1_lines - .Lline1_hdr     /* header_length */
 236 .Lline1_hdr:
 237         .byte           1                       /* Minimum insn length */
 238         .byte           1                       /* default_is_stmt */
 239         .byte           1                       /* line_base */
 240         .byte           1                       /* line_range */
 241         .byte           0x10                    /* opcode_base */
 242
 243         /* Standard lengths */
 244         .byte           0
 245         .byte           1
 246         .byte           1
 247         .byte           1
 248         .byte           1
 249         .byte           0
 250         .byte           0
 251         .byte           0
 252         .byte           1
 253         .byte           0
 254         .byte           0
 255         .byte           1
 256         .byte           0
 257         .byte           0
 258         .byte           0
 259
 260         /* Include directories */
 261         .byte           0
 262
 263         /* File names */
 264         .ascii          "main.c\0"
 265         .uleb128        0
 266         .uleb128        0
 267         .uleb128        0
 268
 269         .ascii          "other.c\0"
 270         .uleb128        0
 271         .uleb128        0
 272         .uleb128        0
 273
 274         .byte           0
 275
 276 .Lline1_lines:
 277         .byte           0       /* DW_LNE_set_address */
 278         .uleb128        5
 279         .byte           2
 280         .4byte          func_start
 281         .byte           3       /* DW_LNS_advance_line */
 282         .sleb128        4       /* ... to 5 */
 283         .byte           1       /* DW_LNS_copy */
 284
 285         .byte           0       /* DW_LNE_set_address */
 286         .uleb128        5
 287         .byte           2
 288         .4byte          func0
 289         .byte           4       /* DW_LNS_set_file */
 290         .uleb128        2
 291         .byte           3       /* DW_LNS_advance_line */
 292         .sleb128        -4      /* ... to 1 */
 293         .byte           1       /* DW_LNS_copy */
 294
 295         .byte           0       /* DW_LNE_set_address */
 296         .uleb128        5
 297         .byte           2
 298         .4byte          func1
 299         .byte           4       /* DW_LNS_set_file */
 300         .uleb128        1
 301         .byte           3       /* DW_LNS_advance_line */
 302         .sleb128        8       /* ... to 9 */
 303         .byte           1       /* DW_LNS_copy */
 304
 305         .byte           0       /* DW_LNE_set_address */
 306         .uleb128        5
 307         .byte           2
 308         .4byte          func2
 309         .byte           4       /* DW_LNS_set_file */
 310         .uleb128        2
 311         .byte           3       /* DW_LNS_advance_line */
 312         .sleb128        -8      /* ... to 1 */
 313         .byte           1       /* DW_LNS_copy */
 314
 315         .byte           0       /* DW_LNE_set_address */
 316         .uleb128        5
 317         .byte           2
 318         .4byte          func3
 319         .byte           4       /* DW_LNS_set_file */
 320         .uleb128        1
 321         .byte           3       /* DW_LNS_advance_line */
 322         .sleb128        8       /* ... to 9 */
 323         .byte           1       /* DW_LNS_copy */
 324
 325         .byte           0       /* DW_LNE_set_address */
 326         .uleb128        5
 327         .byte           2
 328         .4byte          func_end
 329
 330 /* Equivalent copy but renamed s/func/fund/.  */
 331
 332         .byte           0       /* DW_LNE_set_address */
 333         .uleb128        5
 334         .byte           2
 335         .4byte          fund_start
 336         .byte           3       /* DW_LNS_advance_line */
 337         .sleb128        -4      /* ... to 5 */
 338         .byte           1       /* DW_LNS_copy */
 339
 340         .byte           0       /* DW_LNE_set_address */
 341         .uleb128        5
 342         .byte           2
 343         .4byte          fund0
 344         .byte           4       /* DW_LNS_set_file */
 345         .uleb128        2
 346         .byte           3       /* DW_LNS_advance_line */
 347         .sleb128        -4      /* ... to 1 */
 348         .byte           1       /* DW_LNS_copy */
 349
 350         .byte           0       /* DW_LNE_set_address */
 351         .uleb128        5
 352         .byte           2
 353         .4byte          fund1
 354         .byte           4       /* DW_LNS_set_file */
 355         .uleb128        1
 356         .byte           3       /* DW_LNS_advance_line */
 357         .sleb128        8       /* ... to 9 */
 358         .byte           1       /* DW_LNS_copy */
 359
 360         .byte           0       /* DW_LNE_set_address */
 361         .uleb128        5
 362         .byte           2
 363         .4byte          fund2
 364         .byte           4       /* DW_LNS_set_file */
 365         .uleb128        2
 366         .byte           3       /* DW_LNS_advance_line */
 367         .sleb128        -8      /* ... to 1 */
 368         .byte           1       /* DW_LNS_copy */
 369
 370         .byte           0       /* DW_LNE_set_address */
 371         .uleb128        5
 372         .byte           2
 373         .4byte          fund3
 374         .byte           4       /* DW_LNS_set_file */
 375         .uleb128        1
 376         .byte           3       /* DW_LNS_advance_line */
 377         .sleb128        8       /* ... to 9 */
 378         .byte           1       /* DW_LNS_copy */
 379
 380         .byte           0       /* DW_LNE_set_address */
 381         .uleb128        5
 382         .byte           2
 383         .4byte          fund_end
 384
 385 /* Line numbering end.  */
 386
 387         .byte           0       /* DW_LNE_end_of_sequence */
 388         .uleb128        1
 389         .byte           1
 390
 391 .Lline1_end: