gdb/testsuite/gdb.arch/amd64-tailcall-cxx1.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2012-2014 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 /* This source file was generated by:
  19    g++ -o gdb.arch/amd64-tailcall-cxx1.S gdb.arch/amd64-tailcall-cxx1.cc -Wall -S -dA -O2 -g
  20    Fedora GCC was used here to also test the case of missing DW_AT_linkage_name.
  21    */
  22
  23         .file   "amd64-tailcall-cxx1.cc"
  24         .text
  25 .Ltext0:
  26         .p2align 4,,15
  27         .globl  _Z1gi
  28         .type   _Z1gi, @function
  29 _Z1gi:
  30 .LFB0:
  31         .file 1 "gdb.arch/amd64-tailcall-cxx1.cc"
  32         # gdb.arch/amd64-tailcall-cxx1.cc:22
  33         .loc 1 22 0
  34         .cfi_startproc
  35 .LVL0:
  36 # BLOCK 2 freq:10000 seq:0
  37 # PRED: ENTRY [100.0%]  (FALLTHRU)
  38         # gdb.arch/amd64-tailcall-cxx1.cc:23
  39         .loc 1 23 0
  40         movl    %edi, v(%rip)
  41 # SUCC: EXIT [100.0%]
  42         ret
  43         .cfi_endproc
  44 .LFE0:
  45         .size   _Z1gi, .-_Z1gi
  46         .section        .text.startup,"ax",@progbits
  47         .p2align 4,,15
  48         .globl  main
  49         .type   main, @function
  50 main:
  51 .LFB1:
  52         # gdb.arch/amd64-tailcall-cxx1.cc:30
  53         .loc 1 30 0
  54         .cfi_startproc
  55 # BLOCK 2 freq:10000 seq:0
  56 # PRED: ENTRY [100.0%]  (FALLTHRU)
  57         subq    $8, %rsp
  58         .cfi_def_cfa_offset 16
  59         # gdb.arch/amd64-tailcall-cxx1.cc:31
  60         .loc 1 31 0
  61         movl    $1, %edi
  62         call    _Z1fi
  63 .LVL1:
  64         # gdb.arch/amd64-tailcall-cxx1.cc:32
  65         .loc 1 32 0
  66         xorl    %eax, %eax
  67         addq    $8, %rsp
  68         .cfi_def_cfa_offset 8
  69 # SUCC: EXIT [100.0%]
  70         ret
  71         .cfi_endproc
  72 .LFE1:
  73         .size   main, .-main
  74         .globl  v
  75         .bss
  76         .align 4
  77         .type   v, @object
  78         .size   v, 4
  79 v:
  80         .zero   4
  81         .text
  82 .Letext0:
  83         .section        .debug_info,"",@progbits
  84 .Ldebug_info0:
  85         .long   0xb4    # Length of Compilation Unit Info
  86         .value  0x4     # DWARF version number
  87         .long   .Ldebug_abbrev0 # Offset Into Abbrev. Section
  88         .byte   0x8     # Pointer Size (in bytes)
  89         .uleb128 0x1    # (DIE (0xb) DW_TAG_compile_unit)
  90         .long   .LASF1  # DW_AT_producer: "GNU C++ 4.8.0 20130220 (Red Hat 4.8.0-0.14) -mtune=generic -march=x86-64 -g -O2"
  91         .byte   0x4     # DW_AT_language
  92         .long   .LASF2  # DW_AT_name: "gdb.arch/amd64-tailcall-cxx1.cc"
  93         .long   .LASF3  # DW_AT_comp_dir: ""
  94         .long   .Ldebug_ranges0+0       # DW_AT_ranges
  95         .quad   0       # DW_AT_low_pc
  96         .long   .Ldebug_line0   # DW_AT_stmt_list
  97         .uleb128 0x2    # (DIE (0x29) DW_TAG_subprogram)
  98                         # DW_AT_external
  99         .ascii "g\0"    # DW_AT_name
 100         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
 101         .byte   0x15    # DW_AT_decl_line
 102         .long   .LASF4  # DW_AT_linkage_name: "_Z1gi"
 103         .quad   .LFB0   # DW_AT_low_pc
 104         .quad   .LFE0-.LFB0     # DW_AT_high_pc
 105         .uleb128 0x1    # DW_AT_frame_base
 106         .byte   0x9c    # DW_OP_call_frame_cfa
 107                         # DW_AT_GNU_all_call_sites
 108         .long   0x54    # DW_AT_sibling
 109         .uleb128 0x3    # (DIE (0x48) DW_TAG_formal_parameter)
 110         .ascii "x\0"    # DW_AT_name
 111         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
 112         .byte   0x15    # DW_AT_decl_line
 113         .long   0x54    # DW_AT_type
 114         .uleb128 0x1    # DW_AT_location
 115         .byte   0x55    # DW_OP_reg5
 116         .byte   0       # end of children of DIE 0x29
 117         .uleb128 0x4    # (DIE (0x54) DW_TAG_base_type)
 118         .byte   0x4     # DW_AT_byte_size
 119         .byte   0x5     # DW_AT_encoding
 120         .ascii "int\0"  # DW_AT_name
 121         .uleb128 0x5    # (DIE (0x5b) DW_TAG_subprogram)
 122                         # DW_AT_external
 123         .long   .LASF0  # DW_AT_name: "main"
 124         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
 125         .byte   0x1d    # DW_AT_decl_line
 126         .long   0x54    # DW_AT_type
 127         .quad   .LFB1   # DW_AT_low_pc
 128         .quad   .LFE1-.LFB1     # DW_AT_high_pc
 129         .uleb128 0x1    # DW_AT_frame_base
 130         .byte   0x9c    # DW_OP_call_frame_cfa
 131                         # DW_AT_GNU_all_call_sites
 132         .long   0x90    # DW_AT_sibling
 133         .uleb128 0x6    # (DIE (0x7c) DW_TAG_GNU_call_site)
 134         .quad   .LVL1   # DW_AT_low_pc
 135         .long   0xa8    # DW_AT_abstract_origin
 136         .uleb128 0x7    # (DIE (0x89) DW_TAG_GNU_call_site_parameter)
 137         .uleb128 0x1    # DW_AT_location
 138         .byte   0x55    # DW_OP_reg5
 139         .uleb128 0x1    # DW_AT_GNU_call_site_value
 140         .byte   0x31    # DW_OP_lit1
 141         .byte   0       # end of children of DIE 0x7c
 142         .byte   0       # end of children of DIE 0x5b
 143         .uleb128 0x8    # (DIE (0x90) DW_TAG_variable)
 144         .ascii "v\0"    # DW_AT_name
 145         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
 146         .byte   0x12    # DW_AT_decl_line
 147         .long   0xa3    # DW_AT_type
 148                         # DW_AT_external
 149         .uleb128 0x9    # DW_AT_location
 150         .byte   0x3     # DW_OP_addr
 151         .quad   v
 152         .uleb128 0x9    # (DIE (0xa3) DW_TAG_volatile_type)
 153         .long   0x54    # DW_AT_type
 154         .uleb128 0xa    # (DIE (0xa8) DW_TAG_subprogram)
 155                         # DW_AT_external
 156         .ascii "f\0"    # DW_AT_name
 157         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-tailcall-cxx1.cc)
 158         .byte   0x1a    # DW_AT_decl_line
 159         .long   .LASF5  # DW_AT_linkage_name: "_Z1fi"
 160                         # DW_AT_declaration
 161         .uleb128 0xb    # (DIE (0xb1) DW_TAG_formal_parameter)
 162         .long   0x54    # DW_AT_type
 163         .byte   0       # end of children of DIE 0xa8
 164         .byte   0       # end of children of DIE 0xb
 165         .section        .debug_abbrev,"",@progbits
 166 .Ldebug_abbrev0:
 167         .uleb128 0x1    # (abbrev code)
 168         .uleb128 0x11   # (TAG: DW_TAG_compile_unit)
 169         .byte   0x1     # DW_children_yes
 170         .uleb128 0x25   # (DW_AT_producer)
 171         .uleb128 0xe    # (DW_FORM_strp)
 172         .uleb128 0x13   # (DW_AT_language)
 173         .uleb128 0xb    # (DW_FORM_data1)
 174         .uleb128 0x3    # (DW_AT_name)
 175         .uleb128 0xe    # (DW_FORM_strp)
 176         .uleb128 0x1b   # (DW_AT_comp_dir)
 177         .uleb128 0xe    # (DW_FORM_strp)
 178         .uleb128 0x55   # (DW_AT_ranges)
 179         .uleb128 0x17   # (DW_FORM_sec_offset)
 180         .uleb128 0x11   # (DW_AT_low_pc)
 181         .uleb128 0x1    # (DW_FORM_addr)
 182         .uleb128 0x10   # (DW_AT_stmt_list)
 183         .uleb128 0x17   # (DW_FORM_sec_offset)
 184         .byte   0
 185         .byte   0
 186         .uleb128 0x2    # (abbrev code)
 187         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 188         .byte   0x1     # DW_children_yes
 189         .uleb128 0x3f   # (DW_AT_external)
 190         .uleb128 0x19   # (DW_FORM_flag_present)
 191         .uleb128 0x3    # (DW_AT_name)
 192         .uleb128 0x8    # (DW_FORM_string)
 193         .uleb128 0x3a   # (DW_AT_decl_file)
 194         .uleb128 0xb    # (DW_FORM_data1)
 195         .uleb128 0x3b   # (DW_AT_decl_line)
 196         .uleb128 0xb    # (DW_FORM_data1)
 197         .uleb128 0x6e   # (DW_AT_linkage_name)
 198         .uleb128 0xe    # (DW_FORM_strp)
 199         .uleb128 0x11   # (DW_AT_low_pc)
 200         .uleb128 0x1    # (DW_FORM_addr)
 201         .uleb128 0x12   # (DW_AT_high_pc)
 202         .uleb128 0x7    # (DW_FORM_data8)
 203         .uleb128 0x40   # (DW_AT_frame_base)
 204         .uleb128 0x18   # (DW_FORM_exprloc)
 205         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 206         .uleb128 0x19   # (DW_FORM_flag_present)
 207         .uleb128 0x1    # (DW_AT_sibling)
 208         .uleb128 0x13   # (DW_FORM_ref4)
 209         .byte   0
 210         .byte   0
 211         .uleb128 0x3    # (abbrev code)
 212         .uleb128 0x5    # (TAG: DW_TAG_formal_parameter)
 213         .byte   0       # DW_children_no
 214         .uleb128 0x3    # (DW_AT_name)
 215         .uleb128 0x8    # (DW_FORM_string)
 216         .uleb128 0x3a   # (DW_AT_decl_file)
 217         .uleb128 0xb    # (DW_FORM_data1)
 218         .uleb128 0x3b   # (DW_AT_decl_line)
 219         .uleb128 0xb    # (DW_FORM_data1)
 220         .uleb128 0x49   # (DW_AT_type)
 221         .uleb128 0x13   # (DW_FORM_ref4)
 222         .uleb128 0x2    # (DW_AT_location)
 223         .uleb128 0x18   # (DW_FORM_exprloc)
 224         .byte   0
 225         .byte   0
 226         .uleb128 0x4    # (abbrev code)
 227         .uleb128 0x24   # (TAG: DW_TAG_base_type)
 228         .byte   0       # DW_children_no
 229         .uleb128 0xb    # (DW_AT_byte_size)
 230         .uleb128 0xb    # (DW_FORM_data1)
 231         .uleb128 0x3e   # (DW_AT_encoding)
 232         .uleb128 0xb    # (DW_FORM_data1)
 233         .uleb128 0x3    # (DW_AT_name)
 234         .uleb128 0x8    # (DW_FORM_string)
 235         .byte   0
 236         .byte   0
 237         .uleb128 0x5    # (abbrev code)
 238         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 239         .byte   0x1     # DW_children_yes
 240         .uleb128 0x3f   # (DW_AT_external)
 241         .uleb128 0x19   # (DW_FORM_flag_present)
 242         .uleb128 0x3    # (DW_AT_name)
 243         .uleb128 0xe    # (DW_FORM_strp)
 244         .uleb128 0x3a   # (DW_AT_decl_file)
 245         .uleb128 0xb    # (DW_FORM_data1)
 246         .uleb128 0x3b   # (DW_AT_decl_line)
 247         .uleb128 0xb    # (DW_FORM_data1)
 248         .uleb128 0x49   # (DW_AT_type)
 249         .uleb128 0x13   # (DW_FORM_ref4)
 250         .uleb128 0x11   # (DW_AT_low_pc)
 251         .uleb128 0x1    # (DW_FORM_addr)
 252         .uleb128 0x12   # (DW_AT_high_pc)
 253         .uleb128 0x7    # (DW_FORM_data8)
 254         .uleb128 0x40   # (DW_AT_frame_base)
 255         .uleb128 0x18   # (DW_FORM_exprloc)
 256         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 257         .uleb128 0x19   # (DW_FORM_flag_present)
 258         .uleb128 0x1    # (DW_AT_sibling)
 259         .uleb128 0x13   # (DW_FORM_ref4)
 260         .byte   0
 261         .byte   0
 262         .uleb128 0x6    # (abbrev code)
 263         .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
 264         .byte   0x1     # DW_children_yes
 265         .uleb128 0x11   # (DW_AT_low_pc)
 266         .uleb128 0x1    # (DW_FORM_addr)
 267         .uleb128 0x31   # (DW_AT_abstract_origin)
 268         .uleb128 0x13   # (DW_FORM_ref4)
 269         .byte   0
 270         .byte   0
 271         .uleb128 0x7    # (abbrev code)
 272         .uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter)
 273         .byte   0       # DW_children_no
 274         .uleb128 0x2    # (DW_AT_location)
 275         .uleb128 0x18   # (DW_FORM_exprloc)
 276         .uleb128 0x2111 # (DW_AT_GNU_call_site_value)
 277         .uleb128 0x18   # (DW_FORM_exprloc)
 278         .byte   0
 279         .byte   0
 280         .uleb128 0x8    # (abbrev code)
 281         .uleb128 0x34   # (TAG: DW_TAG_variable)
 282         .byte   0       # DW_children_no
 283         .uleb128 0x3    # (DW_AT_name)
 284         .uleb128 0x8    # (DW_FORM_string)
 285         .uleb128 0x3a   # (DW_AT_decl_file)
 286         .uleb128 0xb    # (DW_FORM_data1)
 287         .uleb128 0x3b   # (DW_AT_decl_line)
 288         .uleb128 0xb    # (DW_FORM_data1)
 289         .uleb128 0x49   # (DW_AT_type)
 290         .uleb128 0x13   # (DW_FORM_ref4)
 291         .uleb128 0x3f   # (DW_AT_external)
 292         .uleb128 0x19   # (DW_FORM_flag_present)
 293         .uleb128 0x2    # (DW_AT_location)
 294         .uleb128 0x18   # (DW_FORM_exprloc)
 295         .byte   0
 296         .byte   0
 297         .uleb128 0x9    # (abbrev code)
 298         .uleb128 0x35   # (TAG: DW_TAG_volatile_type)
 299         .byte   0       # DW_children_no
 300         .uleb128 0x49   # (DW_AT_type)
 301         .uleb128 0x13   # (DW_FORM_ref4)
 302         .byte   0
 303         .byte   0
 304         .uleb128 0xa    # (abbrev code)
 305         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 306         .byte   0x1     # DW_children_yes
 307         .uleb128 0x3f   # (DW_AT_external)
 308         .uleb128 0x19   # (DW_FORM_flag_present)
 309         .uleb128 0x3    # (DW_AT_name)
 310         .uleb128 0x8    # (DW_FORM_string)
 311         .uleb128 0x3a   # (DW_AT_decl_file)
 312         .uleb128 0xb    # (DW_FORM_data1)
 313         .uleb128 0x3b   # (DW_AT_decl_line)
 314         .uleb128 0xb    # (DW_FORM_data1)
 315         .uleb128 0x6e   # (DW_AT_linkage_name)
 316         .uleb128 0xe    # (DW_FORM_strp)
 317         .uleb128 0x3c   # (DW_AT_declaration)
 318         .uleb128 0x19   # (DW_FORM_flag_present)
 319         .byte   0
 320         .byte   0
 321         .uleb128 0xb    # (abbrev code)
 322         .uleb128 0x5    # (TAG: DW_TAG_formal_parameter)
 323         .byte   0       # DW_children_no
 324         .uleb128 0x49   # (DW_AT_type)
 325         .uleb128 0x13   # (DW_FORM_ref4)
 326         .byte   0
 327         .byte   0
 328         .byte   0
 329         .section        .debug_aranges,"",@progbits
 330         .long   0x3c    # Length of Address Ranges Info
 331         .value  0x2     # DWARF Version
 332         .long   .Ldebug_info0   # Offset of Compilation Unit Info
 333         .byte   0x8     # Size of Address
 334         .byte   0       # Size of Segment Descriptor
 335         .value  0       # Pad to 16 byte boundary
 336         .value  0
 337         .quad   .Ltext0 # Address
 338         .quad   .Letext0-.Ltext0        # Length
 339         .quad   .LFB1   # Address
 340         .quad   .LFE1-.LFB1     # Length
 341         .quad   0
 342         .quad   0
 343         .section        .debug_ranges,"",@progbits
 344 .Ldebug_ranges0:
 345         .quad   .Ltext0 # Offset 0
 346         .quad   .Letext0
 347         .quad   .LFB1   # Offset 0x10
 348         .quad   .LFE1
 349         .quad   0
 350         .quad   0
 351         .section        .debug_line,"",@progbits
 352 .Ldebug_line0:
 353         .section        .debug_str,"MS",@progbits,1
 354 .LASF4:
 355         .string "_Z1gi"
 356 .LASF3:
 357         .string ""
 358 .LASF2:
 359         .string "gdb.arch/amd64-tailcall-cxx1.cc"
 360 .LASF1:
 361         .string "GNU C++ 4.8.0 20130220 (Red Hat 4.8.0-0.14) -mtune=generic -march=x86-64 -g -O2"
 362 .LASF0:
 363         .string "main"
 364 .LASF5:
 365         .string "_Z1fi"
 366         .ident  "GCC: (GNU) 4.8.0 20130220 (Red Hat 4.8.0-0.14)"
 367         .section        .note.GNU-stack,"",@progbits