gdb/testsuite/gdb.dwarf2/fission-base.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2012-2021 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    This file was created by doing:
  19    gcc -gdwarf-4 -gsplit-debug -S -dA fission-base.c
  20    and then massaging the output.
  21 */
  22
  23         .file   "fission-base.c"
  24
  25         .text
  26 .Ltext0:
  27
  28         .globl  func
  29         .type   func, @function
  30 func:
  31 .LFB0:
  32         .file 1 "fission-base.c"
  33         # fission-base.c:20
  34         .loc 1 20 0
  35         .cfi_startproc
  36         pushq   %rbp    #
  37         .cfi_def_cfa_offset 16
  38         .cfi_offset 6, -16
  39         movq    %rsp, %rbp      #,
  40         .cfi_def_cfa_register 6
  41         movl    %edi, -4(%rbp)  # arg, arg
  42         # fission-base.c:21
  43         .loc 1 21 0
  44         movl    -4(%rbp), %eax  # arg, tmp61
  45         addl    $1, %eax        #, D.1617
  46         # fission-base.c:22
  47         .loc 1 22 0
  48         popq    %rbp    #
  49         .cfi_def_cfa 7, 8
  50         ret
  51         .cfi_endproc
  52 .LFE0:
  53         .size   func, .-func
  54         .globl  main
  55         .type   main, @function
  56 main:
  57 .LFB1:
  58         # fission-base.c:26
  59         .loc 1 26 0
  60         .cfi_startproc
  61         pushq   %rbp    #
  62         .cfi_def_cfa_offset 16
  63         .cfi_offset 6, -16
  64         movq    %rsp, %rbp      #,
  65         .cfi_def_cfa_register 6
  66         # fission-base.c:27
  67         .loc 1 27 0
  68         movl    $-1, %edi       #,
  69         call    func    #
  70         # fission-base.c:28
  71         .loc 1 28 0
  72         popq    %rbp    #
  73         .cfi_def_cfa 7, 8
  74         ret
  75         .cfi_endproc
  76 .LFE1:
  77         .size   main, .-main
  78 .Letext0:
  79         .section        .debug_info.dwo,"e",@progbits
  80 .Ldebug_info0:
  81         .4byte  .Ldebug_info0_end - .Ldebug_info0 - 4 # Length of Compilation Unit Info
  82         .2byte  0x4     # DWARF version number
  83         .4byte  .Ldebug_abbrev0 # Offset Into Abbrev. Section
  84         .byte   0x8     # Pointer Size (in bytes)
  85         .uleb128 0x1    # (DIE (0xb) DW_TAG_compile_unit)
  86         .ascii "GNU C 4.6.x-fission\0"  # DW_AT_producer
  87         .byte   0x1     # DW_AT_language
  88         .ascii "fission-base.c\0"       # DW_AT_name
  89         .ascii "/tmp/src/gdb/testsuite\0"       # DW_AT_comp_dir
  90         .byte   1       # DW_AT_GNU_dwo_id
  91         .byte   2
  92         .byte   3
  93         .byte   4
  94         .byte   5
  95         .byte   6
  96         .byte   7
  97         .byte   8
  98         .uleb128 0x2    # (DIE (0x89) DW_TAG_subprogram)
  99                         # DW_AT_external
 100         .ascii "func\0" # DW_AT_name
 101         .byte   0x1     # DW_AT_decl_file (fission-base.c)
 102         .byte   0x13    # DW_AT_decl_line
 103                         # DW_AT_prototyped
 104         .4byte  .Ldebug_info0_int - .Ldebug_info0 # DW_AT_type
 105         .4byte  0x0     # DW_AT_ranges
 106         .uleb128 0x1    # DW_AT_frame_base
 107         .byte   0x9c    # DW_OP_call_frame_cfa
 108         .4byte  .Ldebug_info0_int - .Ldebug_info0 # DW_AT_sibling
 109         .uleb128 0x3    # (DIE (0xa4) DW_TAG_formal_parameter)
 110         .ascii "arg\0"  # DW_AT_name
 111         .byte   0x1     # DW_AT_decl_file (fission-base.c)
 112         .byte   0x13    # DW_AT_decl_line
 113         .4byte  .Ldebug_info0_int - .Ldebug_info0 # DW_AT_type
 114         .uleb128 0x2    # DW_AT_location
 115         .byte   0x91    # DW_OP_fbreg
 116         .sleb128 -20
 117         .byte   0       # end of children of DIE 0x89
 118 .Ldebug_info0_int:
 119         .uleb128 0x4    # (DIE (0xb3) DW_TAG_base_type)
 120         .byte   0x4     # DW_AT_byte_size
 121         .byte   0x5     # DW_AT_encoding
 122         .ascii "int\0"  # DW_AT_name
 123         .uleb128 0x5    # (DIE (0xba) DW_TAG_subprogram)
 124                         # DW_AT_external
 125         .ascii "main\0" # DW_AT_name
 126         .byte   0x1     # DW_AT_decl_file (fission-base.c)
 127         .byte   0x19    # DW_AT_decl_line
 128         .4byte  .Ldebug_info0_int - .Ldebug_info0 # DW_AT_type
 129         .uleb128 0x1    # DW_AT_low_pc
 130         .8byte  .LFE1-.LFB1     # DW_AT_high_pc
 131         .uleb128 0x1    # DW_AT_frame_base
 132         .byte   0x9c    # DW_OP_call_frame_cfa
 133         .byte   0       # end of children of DIE 0xb
 134 .Ldebug_info0_end:
 135         .section        .debug_info,"",@progbits
 136 .Lskeleton_debug_info0:
 137         .4byte  .Lskeleton_debug_info0_end - .Lskeleton_debug_info0 - 4 # Length of Compilation Unit Info
 138         .2byte  0x4     # DWARF version number
 139         .4byte  .Lskeleton_debug_abbrev0        # Offset Into Abbrev. Section
 140         .byte   0x8     # Pointer Size (in bytes)
 141         .uleb128 0x1    # (DIE (0) DW_TAG_compile_unit)
 142         .8byte  .Ltext0 # DW_AT_low_pc
 143         .8byte  .Letext0-.Ltext0        # DW_AT_high_pc
 144         .4byte  .Ldebug_line0   # DW_AT_stmt_list
 145         .ascii "/tmp/src/gdb/testsuite\0"       # DW_AT_comp_dir
 146         .ascii "fission-base.dwo\0"     # DW_AT_GNU_dwo_name
 147         .4byte  .Ldebug_pubnames0       # DW_AT_GNU_pubnames
 148         .4byte  .Ldebug_pubtypes0       # DW_AT_GNU_pubtypes
 149         .4byte  .Ldebug_addr0_begin     # DW_AT_GNU_addr_base
 150         .4byte  .Ldebug_ranges0_begin   # DW_AT_GNU_ranges_base
 151         .byte   1       # DW_AT_GNU_dwo_id
 152         .byte   2
 153         .byte   3
 154         .byte   4
 155         .byte   5
 156         .byte   6
 157         .byte   7
 158         .byte   8
 159 .Lskeleton_debug_info0_end:
 160         .section        .debug_abbrev,"",@progbits
 161 .Lskeleton_debug_abbrev0:
 162         .uleb128 0x1    # (abbrev code)
 163         .uleb128 0x11   # (TAG: DW_TAG_compile_unit)
 164         .byte   0       # DW_children_no
 165         .uleb128 0x11   # (DW_AT_low_pc)
 166         .uleb128 0x1    # (DW_FORM_addr)
 167         .uleb128 0x12   # (DW_AT_high_pc)
 168         .uleb128 0x7    # (DW_FORM_data8)
 169         .uleb128 0x10   # (DW_AT_stmt_list)
 170         .uleb128 0x17   # (DW_FORM_sec_offset)
 171         .uleb128 0x1b   # (DW_AT_comp_dir)
 172         .uleb128 0x8    # (DW_FORM_string)
 173         .uleb128 0x2130 # (DW_AT_GNU_dwo_name)
 174         .uleb128 0x8    # (DW_FORM_string)
 175         .uleb128 0x2134 # (DW_AT_GNU_pubnames)
 176         .uleb128 0x17   # (DW_FORM_sec_offset)
 177         .uleb128 0x2135 # (DW_AT_GNU_pubtypes)
 178         .uleb128 0x17   # (DW_FORM_sec_offset)
 179         .uleb128 0x2133 # (DW_AT_GNU_addr_base)
 180         .uleb128 0x17   # (DW_FORM_sec_offset)
 181         .uleb128 0x2132 # (DW_AT_GNU_ranges_base)
 182         .uleb128 0x17   # (DW_FORM_sec_offset)
 183         .uleb128 0x2131 # (DW_AT_GNU_dwo_id)
 184         .uleb128 0x7    # (DW_FORM_data8)
 185         .byte   0
 186         .byte   0
 187         .byte   0       # end of skeleton .debug_abbrev
 188         .section        .debug_abbrev.dwo,"e",@progbits
 189 .Ldebug_abbrev0:
 190         .uleb128 0x1    # (abbrev code)
 191         .uleb128 0x11   # (TAG: DW_TAG_compile_unit)
 192         .byte   0x1     # DW_children_yes
 193         .uleb128 0x25   # (DW_AT_producer)
 194         .uleb128 0x8    # (DW_FORM_string)
 195         .uleb128 0x13   # (DW_AT_language)
 196         .uleb128 0xb    # (DW_FORM_data1)
 197         .uleb128 0x3    # (DW_AT_name)
 198         .uleb128 0x8    # (DW_FORM_string)
 199         .uleb128 0x1b   # (DW_AT_comp_dir)
 200         .uleb128 0x8    # (DW_FORM_string)
 201         .uleb128 0x2131 # (DW_AT_GNU_dwo_id)
 202         .uleb128 0x7    # (DW_FORM_data8)
 203         .byte   0
 204         .byte   0
 205         .uleb128 0x2    # (abbrev code)
 206         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 207         .byte   0x1     # DW_children_yes
 208         .uleb128 0x3f   # (DW_AT_external)
 209         .uleb128 0x19   # (DW_FORM_flag_present)
 210         .uleb128 0x3    # (DW_AT_name)
 211         .uleb128 0x8    # (DW_FORM_string)
 212         .uleb128 0x3a   # (DW_AT_decl_file)
 213         .uleb128 0xb    # (DW_FORM_data1)
 214         .uleb128 0x3b   # (DW_AT_decl_line)
 215         .uleb128 0xb    # (DW_FORM_data1)
 216         .uleb128 0x27   # (DW_AT_prototyped)
 217         .uleb128 0x19   # (DW_FORM_flag_present)
 218         .uleb128 0x49   # (DW_AT_type)
 219         .uleb128 0x13   # (DW_FORM_ref4)
 220         .uleb128 0x55   # (DW_AT_ranges)
 221         .uleb128 0x17   # (DW_FORM_sec_offset)
 222         .uleb128 0x40   # (DW_AT_frame_base)
 223         .uleb128 0x18   # (DW_FORM_exprloc)
 224         .uleb128 0x1    # (DW_AT_sibling)
 225         .uleb128 0x13   # (DW_FORM_ref4)
 226         .byte   0
 227         .byte   0
 228         .uleb128 0x3    # (abbrev code)
 229         .uleb128 0x5    # (TAG: DW_TAG_formal_parameter)
 230         .byte   0       # DW_children_no
 231         .uleb128 0x3    # (DW_AT_name)
 232         .uleb128 0x8    # (DW_FORM_string)
 233         .uleb128 0x3a   # (DW_AT_decl_file)
 234         .uleb128 0xb    # (DW_FORM_data1)
 235         .uleb128 0x3b   # (DW_AT_decl_line)
 236         .uleb128 0xb    # (DW_FORM_data1)
 237         .uleb128 0x49   # (DW_AT_type)
 238         .uleb128 0x13   # (DW_FORM_ref4)
 239         .uleb128 0x2    # (DW_AT_location)
 240         .uleb128 0x18   # (DW_FORM_exprloc)
 241         .byte   0
 242         .byte   0
 243         .uleb128 0x4    # (abbrev code)
 244         .uleb128 0x24   # (TAG: DW_TAG_base_type)
 245         .byte   0       # DW_children_no
 246         .uleb128 0xb    # (DW_AT_byte_size)
 247         .uleb128 0xb    # (DW_FORM_data1)
 248         .uleb128 0x3e   # (DW_AT_encoding)
 249         .uleb128 0xb    # (DW_FORM_data1)
 250         .uleb128 0x3    # (DW_AT_name)
 251         .uleb128 0x8    # (DW_FORM_string)
 252         .byte   0
 253         .byte   0
 254         .uleb128 0x5    # (abbrev code)
 255         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 256         .byte   0       # DW_children_no
 257         .uleb128 0x3f   # (DW_AT_external)
 258         .uleb128 0x19   # (DW_FORM_flag_present)
 259         .uleb128 0x3    # (DW_AT_name)
 260         .uleb128 0x8    # (DW_FORM_string)
 261         .uleb128 0x3a   # (DW_AT_decl_file)
 262         .uleb128 0xb    # (DW_FORM_data1)
 263         .uleb128 0x3b   # (DW_AT_decl_line)
 264         .uleb128 0xb    # (DW_FORM_data1)
 265         .uleb128 0x49   # (DW_AT_type)
 266         .uleb128 0x13   # (DW_FORM_ref4)
 267         .uleb128 0x11   # (DW_AT_low_pc)
 268         .uleb128 0x1f01 # (DW_FORM_GNU_addr_index)
 269         .uleb128 0x12   # (DW_AT_high_pc)
 270         .uleb128 0x7    # (DW_FORM_data8)
 271         .uleb128 0x40   # (DW_AT_frame_base)
 272         .uleb128 0x18   # (DW_FORM_exprloc)
 273         .byte   0
 274         .byte   0
 275         .byte   0
 276         .section        .debug_gnu_pubnames,"",@progbits
 277 .Ldebug_pubnames0:
 278         .long   0x22    # Pub Info Length
 279         .value  0x2     # DWARF Version
 280         .long   .Lskeleton_debug_info0  # Offset of Compilation Unit Info
 281         .long   0x59    # Compilation Unit Length
 282         .long   0x18    # DIE offset
 283         .byte   0x30    # GDB-index flags
 284         .ascii "func\0" # external name
 285         .long   0x45    # DIE offset
 286         .byte   0x30    # GDB-index flags
 287         .ascii "main\0" # external name
 288         .long   0
 289         .section        .debug_gnu_pubtypes,"",@progbits
 290 .Ldebug_pubtypes0:
 291         .long   0x17    # Pub Info Length
 292         .value  0x2     # DWARF Version
 293         .long   .Lskeleton_debug_info0  # Offset of Compilation Unit Info
 294         .long   0x59    # Compilation Unit Length
 295         .long   0x3e    # DIE offset
 296         .byte   0x90    # GDB-index flags
 297         .ascii "int\0"  # external name
 298         .long   0
 299         .section        .debug_aranges,"",@progbits
 300         .4byte  0x2c    # Length of Address Ranges Info
 301         .2byte  0x2     # DWARF Version
 302         .4byte  .Lskeleton_debug_info0  # Offset of Compilation Unit Info
 303         .byte   0x8     # Size of Address
 304         .byte   0       # Size of Segment Descriptor
 305         .2byte  0       # Pad to 16 byte boundary
 306         .2byte  0
 307         .8byte  .Ltext0 # Address
 308         .8byte  .Letext0-.Ltext0        # Length
 309         .8byte  0
 310         .8byte  0
 311         .section        .debug_line,"",@progbits
 312 .Ldebug_line0:
 313         .section        .debug_line.dwo,"e",@progbits
 314 .Lskeleton_debug_line0:
 315         .4byte  .LELT0-.LSLT0   # Length of Source Line Info
 316 .LSLT0:
 317         .2byte  0x4     # DWARF Version
 318         .4byte  .LELTP0-.LASLTP0        # Prolog Length
 319 .LASLTP0:
 320         .byte   0x1     # Minimum Instruction Length
 321         .byte   0x1     # Maximum Operations Per Instruction
 322         .byte   0x1     # Default is_stmt_start flag
 323         .byte   0xf6    # Line Base Value (Special Opcodes)
 324         .byte   0xf5    # Line Range Value (Special Opcodes)
 325         .byte   0xa     # Special Opcode Base
 326         .byte   0       # opcode: 0x1 has 0 args
 327         .byte   0x1     # opcode: 0x2 has 1 args
 328         .byte   0x1     # opcode: 0x3 has 1 args
 329         .byte   0x1     # opcode: 0x4 has 1 args
 330         .byte   0x1     # opcode: 0x5 has 1 args
 331         .byte   0       # opcode: 0x6 has 0 args
 332         .byte   0       # opcode: 0x7 has 0 args
 333         .byte   0       # opcode: 0x8 has 0 args
 334         .byte   0x1     # opcode: 0x9 has 1 args
 335         .byte   0       # End directory table
 336         .ascii "fission-base.c\0"       # File Entry: 0x1
 337         .uleb128 0
 338         .uleb128 0
 339         .uleb128 0
 340         .byte   0       # End file name table
 341 .LELTP0:
 342 .LELT0:
 343         .section        .debug_addr,"",@progbits
 344 .Ldebug_addr0:
 345         # Shift the real entries down by a non-zero amount to test
 346         # DW_AT_GNU_addr_base.
 347         .8byte  0,0
 348 .Ldebug_addr0_begin:
 349         .8byte  .LFB0   # DW_AT_low_pc
 350         .8byte  .LFB1   # DW_AT_low_pc
 351
 352         .section        .debug_ranges,"",@progbits
 353 .Ldebug_ranges0:
 354         # Shift the real entries down by a non-zero amount to test
 355         # DW_AT_GNU_ranges_base.
 356         .8byte  0,0
 357 .Ldebug_ranges0_begin:
 358         # Note: Since the DW_TAG_compile_unit specifies low_pc, that sets
 359         # the base address, and thus we have to subtract it here.
 360         .8byte  .LFB0 - .Ltext0 # Offset 0
 361         .8byte  .LFE0 - .Ltext0
 362         .8byte  0
 363         .8byte  0
 364
 365         .section        .note.GNU-stack,"",@progbits