1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 1992, 1993, 1994, 1995, 1999, 2002, 2003, 2007 4 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 Please email any bugs, comments, and/or additions to this file to: 20 bug-gdb@prep.ai.mit.edu */ 21 22#ifdef vxworks 23 24# include <stdio.h> 25 26/* VxWorks does not supply atoi. */ 27static int 28atoi (z) 29 char *z; 30{ 31 int i = 0; 32 33 while (*z >= '0' && *z <= '9') 34 i = i * 10 + (*z++ - '0'); 35 return i; 36} 37 38/* I don't know of any way to pass an array to VxWorks. This function 39 can be called directly from gdb. */ 40 41vxmain (arg) 42char *arg; 43{ 44 char *argv[2]; 45 46 argv[0] = ""; 47 argv[1] = arg; 48 main (2, argv, (char **) 0); 49} 50 51#else /* ! vxworks */ 52# include <stdio.h> 53# include <stdlib.h> 54#endif /* ! vxworks */ 55 56#ifdef PROTOTYPES 57extern int marker1 (void); 58extern int marker2 (int a); 59extern void marker3 (char *a, char *b); 60extern void marker4 (long d); 61#else 62extern int marker1 (); 63extern int marker2 (); 64extern void marker3 (); 65extern void marker4 (); 66#endif 67 68/* 69 * This simple classical example of recursion is useful for 70 * testing stack backtraces and such. 71 */ 72 73#ifdef PROTOTYPES 74int factorial(int); 75 76int 77main (int argc, char **argv, char **envp) 78#else 79int 80main (argc, argv, envp) 81int argc; 82char *argv[], **envp; 83#endif 84{ 85#ifdef usestubs 86 set_debug_traps(); /* set breakpoint 5 here */ 87 breakpoint(); 88#endif 89 if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ 90 fprintf (stderr, "usage: factorial <number>\n"); 91 return 1; 92 } 93 printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ 94 /* set breakpoint 12 here */ 95 marker1 (); /* set breakpoint 11 here */ 96 marker2 (43); /* set breakpoint 20 here */ 97 marker3 ("stack", "trace"); /* set breakpoint 21 here */ 98 marker4 (177601976L); 99 /* We're used by a test that requires malloc, so make sure it is 100 in the executable. */ 101 (void)malloc (1); 102 103 argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ 104 return argc; /* set breakpoint 10 here */ 105} /* set breakpoint 10a here */ 106 107#ifdef PROTOTYPES 108int factorial (int value) 109#else 110int factorial (value) 111int value; 112#endif 113{ 114 if (value > 1) { /* set breakpoint 7 here */ 115 value *= factorial (value - 1); 116 } 117 return (value); /* set breakpoint 19 here */ 118} 119 120#ifdef PROTOTYPES 121int multi_line_if_conditional (int a, int b, int c) 122#else 123int multi_line_if_conditional (a, b, c) 124 int a, b, c; 125#endif 126{ 127 if (a /* set breakpoint 3 here */ 128 && b 129 && c) 130 return 0; 131 else 132 return 1; 133} 134 135#ifdef PROTOTYPES 136int multi_line_while_conditional (int a, int b, int c) 137#else 138int multi_line_while_conditional (a, b, c) 139 int a, b, c; 140#endif 141{ 142 while (a /* set breakpoint 4 here */ 143 && b 144 && c) 145 { 146 a--, b--, c--; 147 } 148 return 0; 149} 150