1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2020 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#include <stdlib.h> 20 21extern int marker1 (void); 22extern int marker2 (int a); 23extern void marker3 (char *a, char *b); 24extern void marker4 (long d); 25 26/* 27 * This simple classical example of recursion is useful for 28 * testing stack backtraces and such. 29 */ 30 31int factorial(int); 32 33int 34main (int argc, char **argv, char **envp) 35{ 36 if (argc == 12345) 37 { 38 /* We're used by a test that requires malloc, so make sure it is 39 in the executable. */ 40 void *p = malloc (1); 41 free (p); 42 return 1; 43 } 44 45 factorial (atoi ("6")); /* set breakpoint 1 here */ 46 /* set breakpoint 12 here */ 47 marker1 (); /* set breakpoint 11 here */ 48 marker2 (43); /* set breakpoint 20 here */ 49 marker3 ("stack", "trace"); /* set breakpoint 21 here */ 50 marker4 (177601976L); 51 52 argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ 53 return argc; /* set breakpoint 10 here */ 54} /* set breakpoint 10a here */ 55 56int factorial (int value) 57{ 58 if (value > 1) { /* set breakpoint 7 here */ 59 value *= factorial (value - 1); 60 } 61 return (value); /* set breakpoint 19 here */ 62} 63 64int multi_line_if_conditional (int a, int b, int c) 65{ 66 if (a /* set breakpoint 3 here */ 67 && b 68 && c) 69 return 0; 70 else 71 return 1; 72} 73 74int multi_line_while_conditional (int a, int b, int c) 75{ 76 while (a /* set breakpoint 4 here */ 77 && b 78 && c) 79 { 80 a--, b--, c--; 81 } 82 return 0; 83} 84