gdb/testsuite/gdb.trace/ftrace.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2011-2021 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 #include "trace-common.h"
  19
  20 int globvar;
  21
  22 static void
  23 begin (void)
  24 {}
  25
  26 static void
  27 marker (int anarg)
  28 {
  29   FAST_TRACEPOINT_LABEL(set_point);
  30
  31   ++anarg;
  32
  33   /* Set up a known 4-byte instruction so we can try to set a shorter
  34      fast tracepoint at it.  */
  35   asm ("    .global " SYMBOL(four_byter) "\n"
  36        SYMBOL(four_byter) ":\n"
  37 #if (defined __i386__)
  38        "    cmpl $0x1,0x8(%ebp) \n"
  39 #endif
  40        );
  41 }
  42
  43 static void
  44 end (void)
  45 {}
  46
  47 int
  48 main ()
  49 {
  50   begin ();
  51
  52   for (globvar = 1; globvar < 11; ++globvar)
  53     {
  54       marker (globvar * 100);
  55     }
  56
  57   end ();
  58   return 0;
  59 }