1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2016 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 <string.h> 20 21 /* Test various kinds of stepping. 22 */ 23 int myglob = 0; 24 25 int callee() { /* ENTER CALLEE */ 26 myglob++; return 0; /* ARRIVED IN CALLEE */ 27 } /* RETURN FROM CALLEE */ 28 29 /* A structure which, we hope, will need to be passed using memcpy. */ 30 struct rhomboidal { 31 int rather_large[100]; 32 }; 33 34 void 35 large_struct_by_value (struct rhomboidal r) 36 { 37 myglob += r.rather_large[42]; /* step-test.exp: arrive here 1 */ 38 } 39 40 int main () { 41 int w,x,y,z; 42 int a[10], b[10]; 43 44 /* Test "next" and "step" */ 45 w = 0; /* BREAK AT MAIN */ 46 x = 1; /* NEXT TEST 1 */ 47 y = 2; /* STEP TEST 1 */ 48 z = 3; /* REVERSE NEXT TEST 1 */ 49 w = w + 2; /* NEXT TEST 2 */ 50 x = x + 3; /* REVERSE STEP TEST 1 */ 51 y = y + 4; 52 z = z + 5; /* STEP TEST 2 */ 53 54 /* Test that "next" goes over a call */ 55 callee(); /* NEXT OVER THIS CALL */ 56 57 /* Test that "step" doesn't */ 58 callee(); /* STEP INTO THIS CALL */ 59 60 /* Test "stepi" */ 61 a[5] = a[3] - a[4]; /* FINISH TEST */ 62 callee(); /* STEPI TEST */ 63 64 /* Test "nexti" */ 65 callee(); /* NEXTI TEST */ 66 67 y = w + z; 68 69 { 70 struct rhomboidal r; 71 memset (r.rather_large, 0, sizeof (r.rather_large)); 72 r.rather_large[42] = 10; 73 large_struct_by_value (r); /* step-test.exp: large struct by value */ 74 } 75 76 exit (0); /* end of main */ 77 } 78 79