gdb/testsuite/gdb.reverse/amd64-tailcall-reverse.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2012-2018 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    gcc -o gdb.reverse/amd64-tailcall-reverse.S gdb.reverse/amd64-tailcall-reverse.c -Wall -S -dA -O2 -g
  20    */
  21
  22         .file   "amd64-tailcall-reverse.c"
  23         .text
  24 .Ltext0:
  25         .p2align 4,,15
  26         .type   g, @function
  27 g:
  28 .LFB0:
  29         .file 1 "gdb.reverse/amd64-tailcall-reverse.c"
  30         # gdb.reverse/amd64-tailcall-reverse.c:22
  31         .loc 1 22 0
  32         .cfi_startproc
  33 # BLOCK 2 freq:10000 seq:0
  34 # PRED: ENTRY [100.0%]  (fallthru)
  35         # gdb.reverse/amd64-tailcall-reverse.c:23
  36         .loc 1 23 0
  37         movl    $2, v(%rip)
  38 # SUCC: EXIT [100.0%]
  39         ret
  40         .cfi_endproc
  41 .LFE0:
  42         .size   g, .-g
  43         .p2align 4,,15
  44         .type   f, @function
  45 f:
  46 .LFB1:
  47         # gdb.reverse/amd64-tailcall-reverse.c:28
  48         .loc 1 28 0
  49         .cfi_startproc
  50 # BLOCK 2 freq:10000 seq:0
  51 # PRED: ENTRY [100.0%]  (fallthru)
  52         # gdb.reverse/amd64-tailcall-reverse.c:29
  53         .loc 1 29 0
  54         jmp     g
  55 # SUCC: EXIT [100.0%]  (ab,sibcall)
  56 .LVL0:
  57         .cfi_endproc
  58 .LFE1:
  59         .size   f, .-f
  60         .section        .text.startup,"ax",@progbits
  61         .p2align 4,,15
  62         .globl  main
  63         .type   main, @function
  64 main:
  65 .LFB2:
  66         # gdb.reverse/amd64-tailcall-reverse.c:34
  67         .loc 1 34 0
  68         .cfi_startproc
  69 # BLOCK 2 freq:10000 seq:0
  70 # PRED: ENTRY [100.0%]  (fallthru)
  71         # gdb.reverse/amd64-tailcall-reverse.c:35
  72         .loc 1 35 0
  73         movl    $1, v(%rip)
  74         # gdb.reverse/amd64-tailcall-reverse.c:36
  75         .loc 1 36 0
  76         call    f
  77 .LVL1:
  78         # gdb.reverse/amd64-tailcall-reverse.c:37
  79         .loc 1 37 0
  80         movl    $3, v(%rip)
  81         # gdb.reverse/amd64-tailcall-reverse.c:39
  82         .loc 1 39 0
  83         xorl    %eax, %eax
  84 # SUCC: EXIT [100.0%]
  85         ret
  86         .cfi_endproc
  87 .LFE2:
  88         .size   main, .-main
  89         .comm   v,4,4
  90         .text
  91 .Letext0:
  92         .section        .debug_info,"",@progbits
  93 .Ldebug_info0:
  94         .long   0xc8    # Length of Compilation Unit Info
  95         .value  0x2     # DWARF version number
  96         .long   .Ldebug_abbrev0 # Offset Into Abbrev. Section
  97         .byte   0x8     # Pointer Size (in bytes)
  98         .uleb128 0x1    # (DIE (0xb) DW_TAG_compile_unit)
  99         .long   .LASF0  # DW_AT_producer: "GNU C 4.7.2 20120911 (prerelease)"
 100         .byte   0x1     # DW_AT_language
 101         .long   .LASF1  # DW_AT_name: "gdb.reverse/amd64-tailcall-reverse.c"
 102         .long   .LASF2  # DW_AT_comp_dir: ""
 103         .long   .Ldebug_ranges0+0       # DW_AT_ranges
 104         .quad   0       # DW_AT_low_pc
 105         .quad   0       # DW_AT_entry_pc
 106         .long   .Ldebug_line0   # DW_AT_stmt_list
 107         .uleb128 0x2    # (DIE (0x31) DW_TAG_subprogram)
 108         .ascii "g\0"    # DW_AT_name
 109         .byte   0x1     # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c)
 110         .byte   0x15    # DW_AT_decl_line
 111         .byte   0x1     # DW_AT_prototyped
 112         .quad   .LFB0   # DW_AT_low_pc
 113         .quad   .LFE0   # DW_AT_high_pc
 114         .byte   0x2     # DW_AT_frame_base
 115         .byte   0x77    # DW_OP_breg7
 116         .sleb128 8
 117         .byte   0x1     # DW_AT_GNU_all_call_sites
 118         .uleb128 0x3    # (DIE (0x4b) DW_TAG_subprogram)
 119         .ascii "f\0"    # DW_AT_name
 120         .byte   0x1     # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c)
 121         .byte   0x1b    # DW_AT_decl_line
 122         .byte   0x1     # DW_AT_prototyped
 123         .quad   .LFB1   # DW_AT_low_pc
 124         .quad   .LFE1   # DW_AT_high_pc
 125         .byte   0x2     # DW_AT_frame_base
 126         .byte   0x77    # DW_OP_breg7
 127         .sleb128 8
 128         .byte   0x1     # DW_AT_GNU_all_call_sites
 129         .long   0x78    # DW_AT_sibling
 130         .uleb128 0x4    # (DIE (0x69) DW_TAG_GNU_call_site)
 131         .quad   .LVL0   # DW_AT_low_pc
 132         .byte   0x1     # DW_AT_GNU_tail_call
 133         .long   0x31    # DW_AT_abstract_origin
 134         .byte   0       # end of children of DIE 0x4b
 135         .uleb128 0x5    # (DIE (0x78) DW_TAG_subprogram)
 136         .byte   0x1     # DW_AT_external
 137         .long   .LASF3  # DW_AT_name: "main"
 138         .byte   0x1     # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c)
 139         .byte   0x21    # DW_AT_decl_line
 140         .byte   0x1     # DW_AT_prototyped
 141         .long   0xab    # DW_AT_type
 142         .quad   .LFB2   # DW_AT_low_pc
 143         .quad   .LFE2   # DW_AT_high_pc
 144         .byte   0x2     # DW_AT_frame_base
 145         .byte   0x77    # DW_OP_breg7
 146         .sleb128 8
 147         .byte   0x1     # DW_AT_GNU_all_call_sites
 148         .long   0xab    # DW_AT_sibling
 149         .uleb128 0x6    # (DIE (0x9d) DW_TAG_GNU_call_site)
 150         .quad   .LVL1   # DW_AT_low_pc
 151         .long   0x4b    # DW_AT_abstract_origin
 152         .byte   0       # end of children of DIE 0x78
 153         .uleb128 0x7    # (DIE (0xab) DW_TAG_base_type)
 154         .byte   0x4     # DW_AT_byte_size
 155         .byte   0x5     # DW_AT_encoding
 156         .ascii "int\0"  # DW_AT_name
 157         .uleb128 0x8    # (DIE (0xb2) DW_TAG_variable)
 158         .ascii "v\0"    # DW_AT_name
 159         .byte   0x1     # DW_AT_decl_file (gdb.reverse/amd64-tailcall-reverse.c)
 160         .byte   0x12    # DW_AT_decl_line
 161         .long   0xc6    # DW_AT_type
 162         .byte   0x1     # DW_AT_external
 163         .byte   0x9     # DW_AT_location
 164         .byte   0x3     # DW_OP_addr
 165         .quad   v
 166         .uleb128 0x9    # (DIE (0xc6) DW_TAG_volatile_type)
 167         .long   0xab    # DW_AT_type
 168         .byte   0       # end of children of DIE 0xb
 169         .section        .debug_abbrev,"",@progbits
 170 .Ldebug_abbrev0:
 171         .uleb128 0x1    # (abbrev code)
 172         .uleb128 0x11   # (TAG: DW_TAG_compile_unit)
 173         .byte   0x1     # DW_children_yes
 174         .uleb128 0x25   # (DW_AT_producer)
 175         .uleb128 0xe    # (DW_FORM_strp)
 176         .uleb128 0x13   # (DW_AT_language)
 177         .uleb128 0xb    # (DW_FORM_data1)
 178         .uleb128 0x3    # (DW_AT_name)
 179         .uleb128 0xe    # (DW_FORM_strp)
 180         .uleb128 0x1b   # (DW_AT_comp_dir)
 181         .uleb128 0xe    # (DW_FORM_strp)
 182         .uleb128 0x55   # (DW_AT_ranges)
 183         .uleb128 0x6    # (DW_FORM_data4)
 184         .uleb128 0x11   # (DW_AT_low_pc)
 185         .uleb128 0x1    # (DW_FORM_addr)
 186         .uleb128 0x52   # (DW_AT_entry_pc)
 187         .uleb128 0x1    # (DW_FORM_addr)
 188         .uleb128 0x10   # (DW_AT_stmt_list)
 189         .uleb128 0x6    # (DW_FORM_data4)
 190         .byte   0
 191         .byte   0
 192         .uleb128 0x2    # (abbrev code)
 193         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 194         .byte   0       # DW_children_no
 195         .uleb128 0x3    # (DW_AT_name)
 196         .uleb128 0x8    # (DW_FORM_string)
 197         .uleb128 0x3a   # (DW_AT_decl_file)
 198         .uleb128 0xb    # (DW_FORM_data1)
 199         .uleb128 0x3b   # (DW_AT_decl_line)
 200         .uleb128 0xb    # (DW_FORM_data1)
 201         .uleb128 0x27   # (DW_AT_prototyped)
 202         .uleb128 0xc    # (DW_FORM_flag)
 203         .uleb128 0x11   # (DW_AT_low_pc)
 204         .uleb128 0x1    # (DW_FORM_addr)
 205         .uleb128 0x12   # (DW_AT_high_pc)
 206         .uleb128 0x1    # (DW_FORM_addr)
 207         .uleb128 0x40   # (DW_AT_frame_base)
 208         .uleb128 0xa    # (DW_FORM_block1)
 209         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 210         .uleb128 0xc    # (DW_FORM_flag)
 211         .byte   0
 212         .byte   0
 213         .uleb128 0x3    # (abbrev code)
 214         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 215         .byte   0x1     # DW_children_yes
 216         .uleb128 0x3    # (DW_AT_name)
 217         .uleb128 0x8    # (DW_FORM_string)
 218         .uleb128 0x3a   # (DW_AT_decl_file)
 219         .uleb128 0xb    # (DW_FORM_data1)
 220         .uleb128 0x3b   # (DW_AT_decl_line)
 221         .uleb128 0xb    # (DW_FORM_data1)
 222         .uleb128 0x27   # (DW_AT_prototyped)
 223         .uleb128 0xc    # (DW_FORM_flag)
 224         .uleb128 0x11   # (DW_AT_low_pc)
 225         .uleb128 0x1    # (DW_FORM_addr)
 226         .uleb128 0x12   # (DW_AT_high_pc)
 227         .uleb128 0x1    # (DW_FORM_addr)
 228         .uleb128 0x40   # (DW_AT_frame_base)
 229         .uleb128 0xa    # (DW_FORM_block1)
 230         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 231         .uleb128 0xc    # (DW_FORM_flag)
 232         .uleb128 0x1    # (DW_AT_sibling)
 233         .uleb128 0x13   # (DW_FORM_ref4)
 234         .byte   0
 235         .byte   0
 236         .uleb128 0x4    # (abbrev code)
 237         .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
 238         .byte   0       # DW_children_no
 239         .uleb128 0x11   # (DW_AT_low_pc)
 240         .uleb128 0x1    # (DW_FORM_addr)
 241         .uleb128 0x2115 # (DW_AT_GNU_tail_call)
 242         .uleb128 0xc    # (DW_FORM_flag)
 243         .uleb128 0x31   # (DW_AT_abstract_origin)
 244         .uleb128 0x13   # (DW_FORM_ref4)
 245         .byte   0
 246         .byte   0
 247         .uleb128 0x5    # (abbrev code)
 248         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 249         .byte   0x1     # DW_children_yes
 250         .uleb128 0x3f   # (DW_AT_external)
 251         .uleb128 0xc    # (DW_FORM_flag)
 252         .uleb128 0x3    # (DW_AT_name)
 253         .uleb128 0xe    # (DW_FORM_strp)
 254         .uleb128 0x3a   # (DW_AT_decl_file)
 255         .uleb128 0xb    # (DW_FORM_data1)
 256         .uleb128 0x3b   # (DW_AT_decl_line)
 257         .uleb128 0xb    # (DW_FORM_data1)
 258         .uleb128 0x27   # (DW_AT_prototyped)
 259         .uleb128 0xc    # (DW_FORM_flag)
 260         .uleb128 0x49   # (DW_AT_type)
 261         .uleb128 0x13   # (DW_FORM_ref4)
 262         .uleb128 0x11   # (DW_AT_low_pc)
 263         .uleb128 0x1    # (DW_FORM_addr)
 264         .uleb128 0x12   # (DW_AT_high_pc)
 265         .uleb128 0x1    # (DW_FORM_addr)
 266         .uleb128 0x40   # (DW_AT_frame_base)
 267         .uleb128 0xa    # (DW_FORM_block1)
 268         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 269         .uleb128 0xc    # (DW_FORM_flag)
 270         .uleb128 0x1    # (DW_AT_sibling)
 271         .uleb128 0x13   # (DW_FORM_ref4)
 272         .byte   0
 273         .byte   0
 274         .uleb128 0x6    # (abbrev code)
 275         .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
 276         .byte   0       # DW_children_no
 277         .uleb128 0x11   # (DW_AT_low_pc)
 278         .uleb128 0x1    # (DW_FORM_addr)
 279         .uleb128 0x31   # (DW_AT_abstract_origin)
 280         .uleb128 0x13   # (DW_FORM_ref4)
 281         .byte   0
 282         .byte   0
 283         .uleb128 0x7    # (abbrev code)
 284         .uleb128 0x24   # (TAG: DW_TAG_base_type)
 285         .byte   0       # DW_children_no
 286         .uleb128 0xb    # (DW_AT_byte_size)
 287         .uleb128 0xb    # (DW_FORM_data1)
 288         .uleb128 0x3e   # (DW_AT_encoding)
 289         .uleb128 0xb    # (DW_FORM_data1)
 290         .uleb128 0x3    # (DW_AT_name)
 291         .uleb128 0x8    # (DW_FORM_string)
 292         .byte   0
 293         .byte   0
 294         .uleb128 0x8    # (abbrev code)
 295         .uleb128 0x34   # (TAG: DW_TAG_variable)
 296         .byte   0       # DW_children_no
 297         .uleb128 0x3    # (DW_AT_name)
 298         .uleb128 0x8    # (DW_FORM_string)
 299         .uleb128 0x3a   # (DW_AT_decl_file)
 300         .uleb128 0xb    # (DW_FORM_data1)
 301         .uleb128 0x3b   # (DW_AT_decl_line)
 302         .uleb128 0xb    # (DW_FORM_data1)
 303         .uleb128 0x49   # (DW_AT_type)
 304         .uleb128 0x13   # (DW_FORM_ref4)
 305         .uleb128 0x3f   # (DW_AT_external)
 306         .uleb128 0xc    # (DW_FORM_flag)
 307         .uleb128 0x2    # (DW_AT_location)
 308         .uleb128 0xa    # (DW_FORM_block1)
 309         .byte   0
 310         .byte   0
 311         .uleb128 0x9    # (abbrev code)
 312         .uleb128 0x35   # (TAG: DW_TAG_volatile_type)
 313         .byte   0       # DW_children_no
 314         .uleb128 0x49   # (DW_AT_type)
 315         .uleb128 0x13   # (DW_FORM_ref4)
 316         .byte   0
 317         .byte   0
 318         .byte   0
 319         .section        .debug_aranges,"",@progbits
 320         .long   0x3c    # Length of Address Ranges Info
 321         .value  0x2     # DWARF Version
 322         .long   .Ldebug_info0   # Offset of Compilation Unit Info
 323         .byte   0x8     # Size of Address
 324         .byte   0       # Size of Segment Descriptor
 325         .value  0       # Pad to 16 byte boundary
 326         .value  0
 327         .quad   .Ltext0 # Address
 328         .quad   .Letext0-.Ltext0        # Length
 329         .quad   .LFB2   # Address
 330         .quad   .LFE2-.LFB2     # Length
 331         .quad   0
 332         .quad   0
 333         .section        .debug_ranges,"",@progbits
 334 .Ldebug_ranges0:
 335         .quad   .Ltext0 # Offset 0
 336         .quad   .Letext0
 337         .quad   .LFB2   # Offset 0x10
 338         .quad   .LFE2
 339         .quad   0
 340         .quad   0
 341         .section        .debug_line,"",@progbits
 342 .Ldebug_line0:
 343         .section        .debug_str,"MS",@progbits,1
 344 .LASF3:
 345         .string "main"
 346 .LASF0:
 347         .string "GNU C 4.7.2 20120911 (prerelease)"
 348 .LASF1:
 349         .string "gdb.reverse/amd64-tailcall-reverse.c"
 350 .LASF2:
 351         .string ""
 352         .ident  "GCC: (GNU) 4.7.2 20120911 (prerelease)"
 353         .section        .note.GNU-stack,"",@progbits