gdb/testsuite/gdb.arch/amd64-stap-expressions.S

   1 /* Copyright (C) 2021-2023 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   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 #include <sys/sdt.h>
  19
  20         .file   "amd64-stap-expressions.S"
  21         .text
  22         .globl  main
  23 main:
  24         /* We use a nop here because we don't want the first probe to
  25            be placed at the same location as the main label.  */
  26         nop
  27
  28         /* Single operands.  */
  29         STAP_PROBE1(probe, log_neg, 8@!($0+$1))
  30         STAP_PROBE1(probe, minus, -8@-($3+$4))
  31         STAP_PROBE1(probe, bit_neg, -8@~$22)
  32
  33         /* Arithmetic expressions.  */
  34         STAP_PROBE1(probe, plus1, 8@$3+($10-$8)-$1)
  35         STAP_PROBE1(probe, plus2, 8@$100-(  ($8+$10) -$50)+$3)
  36         STAP_PROBE1(probe, plus3, 8@$100-(($8+$10)-$50)+((($8 - $9) + $40) - $4)+$4)
  37
  38         /* Bitwise expressions.  */
  39         STAP_PROBE1(probe, and, 8@$128&$128)
  40         STAP_PROBE1(probe, or, 8@$8|$4)
  41
  42         xor     %rax,%rax
  43         ret
  44         .section        .note.GNU-stack,"",@progbits