gdb/testsuite/gdb.arch/amd64-disp-step-avx.S

   1 /* Copyright 2009-2021 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16    This file is part of the gdb testsuite.
  17
  18    Test displaced stepping over VEX-encoded RIP-relative AVX
  19    instructions.  */
  20
  21         .text
  22
  23         .global _start,main
  24 _start:
  25         # The area at _start is used as the displaced stepping buffer.  Put
  26         # more than enough nop instructions so that the instructions under test
  27         # below don't conflict with it.
  28         .rept 200
  29         nop
  30         .endr
  31 main:
  32         nop
  33
  34 /***********************************************/
  35
  36 /* Test a VEX2-encoded RIP-relative instruction.  */
  37
  38         .global test_rip_vex2
  39 test_rip_vex2:
  40         vmovsd ro_var(%rip),%xmm0
  41         .global test_rip_vex2
  42 test_rip_vex2_end:
  43         nop
  44
  45 /* Test a VEX3-encoded RIP-relative instruction.  */
  46
  47         .global test_rip_vex3
  48 test_rip_vex3:
  49         vextractf128 $0x0,%ymm0,var128(%rip)
  50         .global test_rip_vex3
  51 test_rip_vex3_end:
  52         nop
  53
  54         /* skip over test data */
  55         jmp done
  56
  57 /* RIP-relative ro-data for VEX2 test above.  */
  58
  59 ro_var:
  60         .8byte 0x1122334455667788
  61         .8byte 0x8877665544332211
  62
  63 /***********************************************/
  64
  65 /* All done.  */
  66
  67 done:
  68         mov $0,%rdi
  69         call _exit
  70         hlt
  71
  72 /* RIP-relative data for VEX3 test above.  */
  73
  74 .data
  75 var128:
  76         .8byte 0xaa55aa55aa55aa55
  77         .8byte 0x55aa55aa55aa55aa