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amd64-stap-expressions.S revision 1.1.1.1 
      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
     45