1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2021-2023 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 <stdlib.h> 19 #include <setjmp.h> 20 21 jmp_buf env; 22 23 void 24 worker (void) 25 { 26 longjmp (env, 1); 27 } 28 29 void 30 test_inner (void) 31 { 32 if (setjmp (env) == 0) 33 { 34 /* Direct call. */ 35 worker (); 36 37 /* Will never get here. */ 38 abort (); 39 } 40 else 41 { 42 /* Called from longjmp. */ 43 } 44 } 45 46 void 47 break_bt_here (void) 48 { 49 test_inner (); 50 } 51 52 int 53 some_func (void) 54 { 55 break_bt_here (); 56 return 0; 57 } 58 59 int 60 main (void) 61 { 62 some_func (); 63 64 return 0; 65 } 66