sysdeps/x86_64/tst-quadmod1.S

   1 /* Copyright (C) 2012-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef BIAS
  19 # define BIAS   0x7fffffff
  20 #endif
  21
  22         .section        .data.rel,"aw",@progbits
  23         .align 8
  24 .Ljmp:
  25         .quad   func + BIAS
  26         .text
  27         .globl  func
  28         .type   func, @function
  29 func:
  30         .cfi_startproc
  31 #if defined __CET__ && (__CET__ & 1) != 0
  32         endbr64
  33 #endif
  34         xorl    %edi, %edi
  35         jmp     exit@PLT
  36         .cfi_endproc
  37         .size   func, .-func
  38         .globl  foo
  39         .type   foo, @function
  40 foo:
  41         .cfi_startproc
  42         .cfi_def_cfa_register 6
  43 #if defined __CET__ && (__CET__ & 1) != 0
  44         endbr64
  45 #endif
  46         movq    .Ljmp(%rip), %rax
  47         subq    $BIAS, %rax
  48         jmp     *%rax
  49         .cfi_endproc
  50         .size   foo, .-foo