88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
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/* Copyright (C) 2005 David Decotigny
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*/
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#include <crt.h>
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#include <libc.h>
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#include <stdarg.h>
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#include <debug.h>
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/**
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* @file myprog13.c
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* Test brk (and, hence: mremap)
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*/
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int main(void)
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{
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char * zoup;
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bochs_printf("myprog13: Hello world !\n");
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/* Do some forks to complicate things */
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fork();
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fork();
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zoup = _sos_brk(0);
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bochs_printf("_sos_brk(0)=%x\n", (unsigned)_sos_brk(0));
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bochs_printf("_sos_brk(+0)=%x\n", (unsigned)_sos_brk(zoup));
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bochs_printf("_sos_brk(+1)=%x\n", (unsigned)_sos_brk(zoup + 1));
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zoup[3] = 42;
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bochs_printf("z[] = %d\n", zoup[3]);
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bochs_printf("_sos_brk(0)=%x\n", (unsigned)_sos_brk(0));
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bochs_printf("_sos_brk(orig)=%x\n", (unsigned)_sos_brk(zoup));
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bochs_printf("_sos_brk(0)=%x\n", (unsigned)_sos_brk(0));
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// zoup[3] = 42;
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bochs_printf("brk(0)=%x\n", (unsigned)brk(0));
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bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0));
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bochs_printf("brk(0)=%x\n", (unsigned)brk(0));
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bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0));
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bochs_printf("sbrk(1)=%x\n", (unsigned)sbrk(1));
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bochs_printf("brk(0)=%x\n", (unsigned)brk(0));
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bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0));
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zoup = sbrk(0);
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bochs_printf("brk(+1)=%x\n", (unsigned)brk(zoup + 1));
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bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0));
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bochs_printf("brk(0)=%x\n", (unsigned)brk(0));
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bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0));
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bochs_printf("sbrk(-4k)=%x\n", (unsigned)sbrk(-4096));
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bochs_printf("brk(0)=%x\n", (unsigned)brk(0));
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bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0));
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zoup = sbrk(0);
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bochs_printf("brk(-4k)=%x\n", (unsigned)brk(zoup - 4096));
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bochs_printf("brk(0)=%x\n", (unsigned)brk(0));
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bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0));
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bochs_printf("malloc(0)=%x\n", (unsigned)malloc(0));
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bochs_printf("malloc(1)=%x\n", (unsigned)malloc(1));
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bochs_printf("malloc(2)=%x\n", (unsigned)malloc(2));
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bochs_printf("malloc(3)=%x\n", (unsigned)malloc(3));
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bochs_printf("malloc(4)=%x\n", (unsigned)malloc(4));
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bochs_printf("malloc(5)=%x\n", (unsigned)malloc(5));
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bochs_printf("malloc(6)=%x\n", (unsigned)malloc(6));
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bochs_printf("malloc(7)=%x\n", (unsigned)malloc(7));
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bochs_printf("malloc(8)=%x\n", (unsigned)malloc(8));
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bochs_printf("malloc(9)=%x\n", (unsigned)malloc(9));
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bochs_printf("malloc(0x30000)=%x\n", (unsigned)malloc(0x30000));
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bochs_printf("malloc(1)=%x\n", (unsigned)malloc(1));
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bochs_printf("myprog13: The end\n");
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return 0;
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}
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