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Update Java samples to match C samples.

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Also add all of the samples as Java tests, referencing the output of the C
samples.
This commit is contained in:
Robert Xiao
2023-05-14 16:23:49 -07:00
parent 3739c7e3e0
commit 4f563490e2
25 changed files with 3884 additions and 906 deletions
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70
bindings/java/samples/Sample_mips.java
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@@ -28,48 +28,30 @@ package samples;
import unicorn.*;
public class Sample_mips {
public class Sample_mips implements UnicornConst, MipsConst {
// code to be emulated
public static final byte[] MIPS_CODE_EB = { 52, 33, 52, 86 };
public static final byte[] MIPS_CODE_EL = { 86, 52, 33, 52 };
public static final byte[] MIPS_CODE_EB = { 52, 33, 52, 86 }; // ori $at, $at, 0x3456
public static final byte[] MIPS_CODE_EL = { 86, 52, 33, 52 }; // ori $at, $at, 0x3456
// memory address where emulation starts
public static final int ADDRESS = 0x10000;
public static final long toInt(byte val[]) {
long res = 0;
for (int i = 0; i < val.length; i++) {
long v = val[i] & 0xff;
res = res + (v << (i * 8));
}
return res;
}
public static final byte[] toBytes(long val) {
byte[] res = new byte[8];
for (int i = 0; i < 8; i++) {
res[i] = (byte) (val & 0xff);
val >>>= 8;
}
return res;
}
// callback for tracing basic blocks
private static class MyBlockHook implements BlockHook {
public void hook(Unicorn u, long address, int size, Object user_data) {
System.out.print(String.format(
System.out.format(
">>> Tracing basic block at 0x%x, block size = 0x%x\n", address,
size));
size);
}
}
// callback for tracing instruction
private static class MyCodeHook implements CodeHook {
public void hook(Unicorn u, long address, int size, Object user_data) {
System.out.print(String.format(
System.out.format(
">>> Tracing instruction at 0x%x, instruction size = 0x%x\n",
address, size));
address, size);
}
}
@@ -77,20 +59,20 @@ public class Sample_mips {
long r1 = 0x6789L; // R1 register
System.out.print("Emulate MIPS code (big-endian)\n");
System.out.println("Emulate MIPS code (big-endian)");
// Initialize emulator in MIPS mode
Unicorn u = new Unicorn(Unicorn.UC_ARCH_MIPS,
Unicorn.UC_MODE_MIPS32 + Unicorn.UC_MODE_BIG_ENDIAN);
Unicorn u =
new Unicorn(UC_ARCH_MIPS, UC_MODE_MIPS32 + UC_MODE_BIG_ENDIAN);
// map 2MB memory for this emulation
u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
u.mem_map(ADDRESS, 2 * 1024 * 1024, UC_PROT_ALL);
// write machine code to be emulated to memory
u.mem_write(ADDRESS, MIPS_CODE_EB);
// initialize machine registers
u.reg_write(Unicorn.UC_MIPS_REG_1, r1);
u.reg_write(UC_MIPS_REG_1, r1);
// tracing all basic blocks with customized callback
u.hook_add(new MyBlockHook(), 1, 0, null);
@@ -103,32 +85,29 @@ public class Sample_mips {
u.emu_start(ADDRESS, ADDRESS + MIPS_CODE_EB.length, 0, 0);
// now print out some registers
System.out.print(">>> Emulation done. Below is the CPU context\n");
System.out.println(">>> Emulation done. Below is the CPU context");
r1 = u.reg_read(Unicorn.UC_MIPS_REG_1);
System.out.print(String.format(">>> R1 = 0x%x\n", r1));
u.close();
r1 = u.reg_read(UC_MIPS_REG_1);
System.out.format(">>> R1 = 0x%x\n", r1);
}
public static void test_mips_el() {
long r1 = 0x6789L; // R1 register
System.out.print("===========================\n");
System.out.print("Emulate MIPS code (little-endian)\n");
System.out.println("Emulate MIPS code (little-endian)");
// Initialize emulator in MIPS mode
Unicorn u = new Unicorn(Unicorn.UC_ARCH_MIPS,
Unicorn.UC_MODE_MIPS32 + Unicorn.UC_MODE_LITTLE_ENDIAN);
Unicorn u = new Unicorn(UC_ARCH_MIPS,
UC_MODE_MIPS32 + UC_MODE_LITTLE_ENDIAN);
// map 2MB memory for this emulation
u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
u.mem_map(ADDRESS, 2 * 1024 * 1024, UC_PROT_ALL);
// write machine code to be emulated to memory
u.mem_write(ADDRESS, MIPS_CODE_EL);
// initialize machine registers
u.reg_write(Unicorn.UC_MIPS_REG_1, r1);
u.reg_write(UC_MIPS_REG_1, r1);
// tracing all basic blocks with customized callback
u.hook_add(new MyBlockHook(), 1, 0, null);
@@ -141,16 +120,15 @@ public class Sample_mips {
u.emu_start(ADDRESS, ADDRESS + MIPS_CODE_EL.length, 0, 0);
// now print out some registers
System.out.print(">>> Emulation done. Below is the CPU context\n");
System.out.println(">>> Emulation done. Below is the CPU context");
r1 = u.reg_read(Unicorn.UC_MIPS_REG_1);
System.out.print(String.format(">>> R1 = 0x%x\n", r1));
u.close();
r1 = u.reg_read(UC_MIPS_REG_1);
System.out.format(">>> R1 = 0x%x\n", r1);
}
public static void main(String args[]) {
test_mips_eb();
System.out.println("===========================");
test_mips_el();
}
}