1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2006-2023 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 <stdio.h> 19 20 void 21 hello (void) 22 { 23 printf ("Hello world.\n"); 24 } 25 26 /* The test case uses "break *hello" to make sure to step at the very 27 first instruction of the function. This causes a problem running 28 the test on powerpc64le-linux, since the first instruction belongs 29 to the global entry point prologue, which is skipped when doing a 30 local direct function call. To make sure that first instruction is 31 indeed being executed and the breakpoint hits, we make sure to call 32 the routine via an indirect call. */ 33 void (*ptr) (void) = hello; 34 35 int 36 main (void) 37 { 38 ptr (); 39 40 return 0; 41 } 42