1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2019 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 #include <string.h> 21 22 struct s 23 { 24 int a; 25 int b; 26 }; 27 28 union u 29 { 30 int a; 31 float b; 32 }; 33 34 enum e 35 { 36 ONE = 1, 37 TWO = 2 38 }; 39 40 typedef struct s *PTR; 41 42 enum e evalue = TWO; 43 44 struct str 45 { 46 int length; 47 /* Variable length. */ 48 char text[1]; 49 }; 50 51 #ifdef __cplusplus 52 53 struct Base { 54 virtual int x() { return 5; } 55 }; 56 57 struct Derived : public Base { 58 }; 59 60 Base *base = new Derived (); 61 Derived derived; 62 Base &base_ref = derived; 63 64 void ptr_ref(int*& rptr_int) 65 { 66 return; /* break to inspect pointer by reference. */ 67 } 68 #endif 69 70 void func1 () 71 { 72 printf ("void function called\n"); 73 } 74 75 int func2 (int arg1, int arg2) 76 { 77 return arg1 + arg2; 78 } 79 80 char **save_argv; 81 82 int 83 main (int argc, char *argv[]) 84 { 85 char *cp; 86 struct s s; 87 union u u; 88 PTR x = &s; 89 char st[17] = "divide et impera"; 90 char nullst[17] = "divide\0et\0impera"; 91 void (*fp1) (void) = &func1; 92 int (*fp2) (int, int) = &func2; 93 const char *embed = "embedded x\201\202\203\204"; 94 int a[3] = {1,2,3}; 95 int *p = a; 96 int i = 2; 97 int *ptr_i = &i; 98 struct str *xstr; 99 100 /* Prevent gcc from optimizing argv[] out. */ 101 102 /* We also check for a NULL argv in case we are dealing with a target 103 executing in a freestanding environment, therefore there are no 104 guarantees about argc or argv. */ 105 if (argv != NULL) 106 cp = argv[0]; 107 108 s.a = 3; 109 s.b = 5; 110 u.a = 7; 111 (*fp1) (); 112 (*fp2) (10,20); 113 114 #ifdef __cplusplus 115 ptr_ref(ptr_i); 116 #endif 117 118 #define STR_LENGTH 100 119 xstr = (struct str *) malloc (sizeof (*xstr) + STR_LENGTH); 120 xstr->length = STR_LENGTH; 121 memset (xstr->text, 'x', STR_LENGTH); 122 #undef STR_LENGTH 123 124 save_argv = argv; /* break to inspect struct and union */ 125 return 0; 126 } 127