gdb/testsuite/gdb.reverse/insn-reverse-arm.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2015-2019 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 static void
  19 ext_reg_load (void)
  20 {
  21   char in[8];
  22
  23   asm ("vldr d0, [%0]" : : "r" (in));
  24   asm ("vldr s3, [%0]" : : "r" (in));
  25
  26   asm ("vldm %0, {d3-d4}" : : "r" (in));
  27   asm ("vldm %0, {s9-s11}" : : "r" (in));
  28 }
  29
  30 static void
  31 ext_reg_mov (void)
  32 {
  33   int i, j;
  34   double d;
  35
  36   i = 1;
  37   j = 2;
  38
  39   asm ("vmov s4, s5, %0, %1" : "=r" (i), "=r" (j): );
  40   asm ("vmov s7, s8, %0, %1" : "=r" (i), "=r" (j): );
  41   asm ("vmov %0, %1, s10, s11" : : "r" (i), "r" (j));
  42   asm ("vmov %0, %1, s1, s2" : : "r" (i), "r" (j));
  43
  44   asm ("vmov %P2, %0, %1" : "=r" (i), "=r" (j): "w" (d));
  45   asm ("vmov %1, %2, %P0" : "=w" (d) : "r" (i), "r" (j));
  46 }
  47
  48 static void
  49 ext_reg_push_pop (void)
  50 {
  51   double d;
  52
  53   asm ("vpush {%P0}" : : "w" (d));
  54   asm ("vpop {%P0}" : : "w" (d));
  55 }
  56
  57 /* Initialize arch-specific bits.  */
  58
  59 static void initialize (void)
  60 {
  61   /* ARM doesn't currently use this function.  */
  62 }
  63
  64 /* Functions testing instruction decodings.  GDB will test all of these.  */
  65 static testcase_ftype testcases[] =
  66 {
  67   ext_reg_load,
  68   ext_reg_mov,
  69   ext_reg_push_pop,
  70 };