1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 1992, 1993, 1994, 1995, 1999, 2002, 2003, 2007, 2008, 2009, 2010, 4 2011 Free Software Foundation, Inc. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19#ifdef vxworks 20 21# include <stdio.h> 22 23/* VxWorks does not supply atoi. */ 24static int 25atoi (z) 26 char *z; 27{ 28 int i = 0; 29 30 while (*z >= '0' && *z <= '9') 31 i = i * 10 + (*z++ - '0'); 32 return i; 33} 34 35/* I don't know of any way to pass an array to VxWorks. This function 36 can be called directly from gdb. */ 37 38vxmain (arg) 39char *arg; 40{ 41 char *argv[2]; 42 43 argv[0] = ""; 44 argv[1] = arg; 45 main (2, argv, (char **) 0); 46} 47 48#else /* ! vxworks */ 49# include <stdio.h> 50# include <stdlib.h> 51#endif /* ! vxworks */ 52 53#ifdef PROTOTYPES 54extern int marker1 (void); 55extern int marker2 (int a); 56extern void marker3 (char *a, char *b); 57extern void marker4 (long d); 58#else 59extern int marker1 (); 60extern int marker2 (); 61extern void marker3 (); 62extern void marker4 (); 63#endif 64 65/* We're used by a test that requires malloc, so make sure it is in 66 the executable. */ 67void *need_malloc () 68{ 69 return malloc (1); 70} 71 72/* 73 * This simple classical example of recursion is useful for 74 * testing stack backtraces and such. 75 */ 76 77#ifdef PROTOTYPES 78int factorial(int); 79 80int 81main (int argc, char **argv, char **envp) 82#else 83int 84main (argc, argv, envp) 85int argc; 86char *argv[], **envp; 87#endif 88{ 89#ifdef usestubs 90 set_debug_traps(); /* set breakpoint 5 here */ 91 breakpoint(); 92#endif 93 if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ 94 fprintf (stderr, "usage: factorial <number>\n"); 95 return 1; 96 } 97 printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ 98 /* set breakpoint 12 here */ 99 marker1 (); /* set breakpoint 11 here */ 100 marker2 (43); /* set breakpoint 20 here */ 101 marker3 ("stack", "trace"); /* set breakpoint 21 here */ 102 marker4 (177601976L); 103 /* We're used by a test that requires malloc, so make sure it is 104 in the executable. */ 105 (void)malloc (1); 106 107 argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ 108 return argc; /* set breakpoint 10 here */ 109} /* set breakpoint 10a here */ 110 111#ifdef PROTOTYPES 112int factorial (int value) 113#else 114int factorial (value) 115int value; 116#endif 117{ 118 if (value > 1) { /* set breakpoint 7 here */ 119 value *= factorial (value - 1); 120 } 121 return (value); /* set breakpoint 19 here */ 122} 123 124#ifdef PROTOTYPES 125int multi_line_if_conditional (int a, int b, int c) 126#else 127int multi_line_if_conditional (a, b, c) 128 int a, b, c; 129#endif 130{ 131 if (a /* set breakpoint 3 here */ 132 && b 133 && c) 134 return 0; 135 else 136 return 1; 137} 138 139#ifdef PROTOTYPES 140int multi_line_while_conditional (int a, int b, int c) 141#else 142int multi_line_while_conditional (a, b, c) 143 int a, b, c; 144#endif 145{ 146 while (a /* set breakpoint 4 here */ 147 && b 148 && c) 149 { 150 a--, b--, c--; 151 } 152 return 0; 153} 154