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001 /* Copyright (C) 2005 David Decotigny 001 /* Copyright (C) 2005 David Decotigny 002 002 003 This program is free software; you can redi 003 This program is free software; you can redistribute it and/or 004 modify it under the terms of the GNU Genera 004 modify it under the terms of the GNU General Public License 005 as published by the Free Software Foundatio 005 as published by the Free Software Foundation; either version 2 006 of the License, or (at your option) any lat 006 of the License, or (at your option) any later version. 007 007 008 This program is distributed in the hope tha 008 This program is distributed in the hope that it will be useful, 009 but WITHOUT ANY WARRANTY; without even the 009 but WITHOUT ANY WARRANTY; without even the implied warranty of 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 011 GNU General Public License for more details 011 GNU General Public License for more details. 012 012 013 You should have received a copy of the GNU 013 You should have received a copy of the GNU General Public License 014 along with this program; if not, write to t 014 along with this program; if not, write to the Free Software 015 Foundation, Inc., 59 Temple Place - Suite 3 015 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 016 USA. 016 USA. 017 */ 017 */ 018 018 019 #include <crt.h> 019 #include <crt.h> 020 #include <libc.h> 020 #include <libc.h> 021 #include <stdarg.h> 021 #include <stdarg.h> 022 #include <debug.h> 022 #include <debug.h> 023 023 024 024 025 /** 025 /** 026 * @file myprog13.c 026 * @file myprog13.c 027 * Test brk (and, hence: mremap) 027 * Test brk (and, hence: mremap) 028 */ 028 */ 029 029 030 int main() 030 int main() 031 { 031 { 032 char * zoup; 032 char * zoup; 033 033 034 bochs_printf("myprog13: Hello world !\n"); 034 bochs_printf("myprog13: Hello world !\n"); 035 035 036 /* Do some forks to complicate things */ 036 /* Do some forks to complicate things */ 037 fork(); 037 fork(); 038 fork(); 038 fork(); 039 039 040 zoup = _sos_brk(0); 040 zoup = _sos_brk(0); 041 bochs_printf("_sos_brk(0)=%x\n", (unsigned)_ 041 bochs_printf("_sos_brk(0)=%x\n", (unsigned)_sos_brk(0)); 042 bochs_printf("_sos_brk(+0)=%x\n", (unsigned) 042 bochs_printf("_sos_brk(+0)=%x\n", (unsigned)_sos_brk(zoup)); 043 bochs_printf("_sos_brk(+1)=%x\n", (unsigned) 043 bochs_printf("_sos_brk(+1)=%x\n", (unsigned)_sos_brk(zoup + 1)); 044 zoup[3] = 42; 044 zoup[3] = 42; 045 bochs_printf("z[] = %d\n", zoup[3]); 045 bochs_printf("z[] = %d\n", zoup[3]); 046 bochs_printf("_sos_brk(0)=%x\n", (unsigned)_ 046 bochs_printf("_sos_brk(0)=%x\n", (unsigned)_sos_brk(0)); 047 bochs_printf("_sos_brk(orig)=%x\n", (unsigne 047 bochs_printf("_sos_brk(orig)=%x\n", (unsigned)_sos_brk(zoup)); 048 bochs_printf("_sos_brk(0)=%x\n", (unsigned)_ 048 bochs_printf("_sos_brk(0)=%x\n", (unsigned)_sos_brk(0)); 049 // zoup[3] = 42; 049 // zoup[3] = 42; 050 050 051 bochs_printf("brk(0)=%x\n", (unsigned)brk(0) 051 bochs_printf("brk(0)=%x\n", (unsigned)brk(0)); 052 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk( 052 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0)); 053 bochs_printf("brk(0)=%x\n", (unsigned)brk(0) 053 bochs_printf("brk(0)=%x\n", (unsigned)brk(0)); 054 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk( 054 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0)); 055 bochs_printf("sbrk(1)=%x\n", (unsigned)sbrk( 055 bochs_printf("sbrk(1)=%x\n", (unsigned)sbrk(1)); 056 bochs_printf("brk(0)=%x\n", (unsigned)brk(0) 056 bochs_printf("brk(0)=%x\n", (unsigned)brk(0)); 057 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk( 057 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0)); 058 zoup = sbrk(0); 058 zoup = sbrk(0); 059 bochs_printf("brk(+1)=%x\n", (unsigned)brk(z 059 bochs_printf("brk(+1)=%x\n", (unsigned)brk(zoup + 1)); 060 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk( 060 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0)); 061 bochs_printf("brk(0)=%x\n", (unsigned)brk(0) 061 bochs_printf("brk(0)=%x\n", (unsigned)brk(0)); 062 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk( 062 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0)); 063 063 064 bochs_printf("sbrk(-4k)=%x\n", (unsigned)sbr 064 bochs_printf("sbrk(-4k)=%x\n", (unsigned)sbrk(-4096)); 065 bochs_printf("brk(0)=%x\n", (unsigned)brk(0) 065 bochs_printf("brk(0)=%x\n", (unsigned)brk(0)); 066 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk( 066 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0)); 067 zoup = sbrk(0); 067 zoup = sbrk(0); 068 bochs_printf("brk(-4k)=%x\n", (unsigned)brk( 068 bochs_printf("brk(-4k)=%x\n", (unsigned)brk(zoup - 4096)); 069 bochs_printf("brk(0)=%x\n", (unsigned)brk(0) 069 bochs_printf("brk(0)=%x\n", (unsigned)brk(0)); 070 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk( 070 bochs_printf("sbrk(0)=%x\n", (unsigned)sbrk(0)); 071 071 072 bochs_printf("malloc(0)=%x\n", (unsigned)mal 072 bochs_printf("malloc(0)=%x\n", (unsigned)malloc(0)); 073 bochs_printf("malloc(1)=%x\n", (unsigned)mal 073 bochs_printf("malloc(1)=%x\n", (unsigned)malloc(1)); 074 bochs_printf("malloc(2)=%x\n", (unsigned)mal 074 bochs_printf("malloc(2)=%x\n", (unsigned)malloc(2)); 075 bochs_printf("malloc(3)=%x\n", (unsigned)mal 075 bochs_printf("malloc(3)=%x\n", (unsigned)malloc(3)); 076 bochs_printf("malloc(4)=%x\n", (unsigned)mal 076 bochs_printf("malloc(4)=%x\n", (unsigned)malloc(4)); 077 bochs_printf("malloc(5)=%x\n", (unsigned)mal 077 bochs_printf("malloc(5)=%x\n", (unsigned)malloc(5)); 078 bochs_printf("malloc(6)=%x\n", (unsigned)mal 078 bochs_printf("malloc(6)=%x\n", (unsigned)malloc(6)); 079 bochs_printf("malloc(7)=%x\n", (unsigned)mal 079 bochs_printf("malloc(7)=%x\n", (unsigned)malloc(7)); 080 bochs_printf("malloc(8)=%x\n", (unsigned)mal 080 bochs_printf("malloc(8)=%x\n", (unsigned)malloc(8)); 081 bochs_printf("malloc(9)=%x\n", (unsigned)mal 081 bochs_printf("malloc(9)=%x\n", (unsigned)malloc(9)); 082 bochs_printf("malloc(0x30000)=%x\n", (unsign 082 bochs_printf("malloc(0x30000)=%x\n", (unsigned)malloc(0x30000)); 083 bochs_printf("malloc(1)=%x\n", (unsigned)mal 083 bochs_printf("malloc(1)=%x\n", (unsigned)malloc(1)); 084 084 085 bochs_printf("myprog13: The end\n"); 085 bochs_printf("myprog13: The end\n"); 086 return 0; 086 return 0; 087 } 087 }
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