unicorn/bindings/java/samples/Sample_x86_mmr.java
2016-02-07 07:23:07 -08:00

78 lines
2.5 KiB
Java

/*
Java bindings for the Unicorn Emulator Engine
Copyright(c) 2016 Chris Eagle
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* Sample code to demonstrate how to register read/write API */
import unicorn.*;
public class Sample_x86_mmr {
static void test_x86_mmr() {
// Initialize emulator in X86-32bit mode
Unicorn uc;
try {
uc = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
} catch (UnicornException uex) {
System.out.println("Failed on uc_open() with error returned: " + uex);
return;
}
// map 4k
uc.mem_map(ADDRESS, 0x1000, Unicorn.UC_PROT_ALL);
X86_MMR ldtr1 = new X86_MMR(0x1111111122222222L, 0x33333333, 0x44444444, (short)0x5555);
X86_MMR ldtr2;
X86_MMR gdtr1 = new X86_MMR(0x6666666677777777L, 0x88888888, 0x99999999, (short)0xaaaa);
X86_MMR gdtr2, gdtr3, gdtr4;
int eax;
// initialize machine registers
uc.reg_write(Unicorn.UC_X86_REG_LDTR, ldtr1);
uc.reg_write(Unicorn.UC_X86_REG_GDTR, gdtr1);
uc.reg_write(Unicorn.UC_X86_REG_EAX, new Long(0xdddddddd));
// read the registers back out
eax = (int)((Long)uc.reg_read(Unicorn.UC_X86_REG_EAX)).longValue();
ldtr2 = (X86_MMR)uc.reg_read(Unicorn.UC_X86_REG_LDTR);
gdtr2 = (X86_MMR)uc.reg_read(Unicorn.UC_X86_REG_GDTR);
System.out.printf(">>> EAX = 0x%x\n", eax);
System.out.printf(">>> LDTR.base = 0x%x\n", ldtr2.base);
System.out.printf(">>> LDTR.limit = 0x%x\n", ldtr2.limit);
System.out.printf(">>> LDTR.flags = 0x%x\n", ldtr2.flags);
System.out.printf(">>> LDTR.selector = 0x%x\n\n", ldtr2.selector);
System.out.printf(">>> GDTR.base = 0x%x\n", gdtr2.base);
System.out.printf(">>> GDTR.limit = 0x%x\n", gdtr2.limit);
uc.close();
}
public static void main(String args[])
{
test_x86_mmr();
}
}