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| lang
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```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class ior extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x80;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
int v2 = operandStack.popInt();
int v1 = operandStack.popInt();
operandStack.pushInt(v1 | v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/ior.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 137
|
```java
package com.github.jvmgo.instructions.math;
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/package-info.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 10
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class irem extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x70;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
int v2 = operandStack.popInt();
int v1 = operandStack.popInt();
if (v2 == 0) {
throw new ArithmeticException("java.lang.ArithmeticException: / by zero");
}
operandStack.pushInt(v1 % v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/irem.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 165
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class isub extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x64;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
int v2 = operandStack.popInt();
int v1 = operandStack.popInt();
operandStack.pushInt(v1 - v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/isub.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 137
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class ddiv extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x6f;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
double v2 = operandStack.popDouble();
double v1 = operandStack.popDouble();
if (v2 == 0) {
throw new ArithmeticException("java.lang.ArithmeticException: / by zero");
}
operandStack.pushDouble(v1 / v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/ddiv.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 166
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class dmul extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x6b;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
double v2 = operandStack.popDouble();
double v1 = operandStack.popDouble();
operandStack.pushDouble(v1 * v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/dmul.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 138
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class land extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x7f;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
long v2 = operandStack.popLong();
long v1 = operandStack.popLong();
operandStack.pushLong(v1 & v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/land.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 137
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class lsub extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x65;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
long v2 = operandStack.popLong();
long v1 = operandStack.popLong();
operandStack.pushLong(v1 - v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/lsub.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 137
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class fneg extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x76;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
operandStack.pushFloat(operandStack.popFloat() * -1);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/fneg.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 121
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
/**
*/
public class lshl extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x79;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
long v2 = operandStack.popLong();
long v1 = operandStack.popLong();
long s = v2 & 0x3f;
operandStack.pushLong(v1 << s);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/lshl.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 152
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class lrem extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x71;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
long v2 = operandStack.popLong();
long v1 = operandStack.popLong();
if (v2 == 0) {
throw new ArithmeticException("java.lang.ArithmeticException: / by zero");
}
operandStack.pushLong(v1 % v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/lrem.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 165
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class dneg extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x77;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
operandStack.pushDouble(operandStack.popDouble() * -1);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/dneg.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 121
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class ineg extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x74;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
operandStack.pushInt(operandStack.popInt() * -1);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/ineg.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 121
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class fsub extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x66;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
float v2 = operandStack.popFloat();
float v1 = operandStack.popFloat();
operandStack.pushFloat(v1 - v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/fsub.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 137
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class ladd extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x61;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
long v2 = operandStack.popLong();
long v1 = operandStack.popLong();
operandStack.pushLong(v1 + v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/ladd.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 137
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class lor extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x81;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
long v2 = operandStack.popLong();
long v1 = operandStack.popLong();
operandStack.pushLong(v1 | v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/lor.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 136
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class fmul extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x6a;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
float v2 = operandStack.popFloat();
float v1 = operandStack.popFloat();
operandStack.pushFloat(v1 * v2);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/fmul.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 138
|
```java
package com.github.jvmgo.instructions.math;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
/**
*/
public class lushr extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x7d;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
long v2 = operandStack.popInt();
long v1 = operandStack.popLong();
long s = v2 & 0x3f;
operandStack.pushLong(v1 >>> s);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/math/lushr.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 152
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class dstore_1 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x48;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getOperandStack().popDouble();
frame.getLocalVars().setDouble(1, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/dstore_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 109
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class lstore_3 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x42;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getOperandStack().popLong();
frame.getLocalVars().setLong(3, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/lstore_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 109
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class dstore_2 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x49;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getOperandStack().popDouble();
frame.getLocalVars().setDouble(2, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/dstore_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 109
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class istore_0 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x3b;
}
@Override
public void execute(Frame frame) {
int val = frame.getOperandStack().popInt();
frame.getLocalVars().setInt(0, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/istore_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 108
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class astore_0 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x4b;
}
@Override
public void execute(Frame frame) throws Exception {
Reference val = frame.getOperandStack().popRef();
frame.getLocalVars().setRef(0, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/astore_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 115
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class astore_2 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x4d;
}
@Override
public void execute(Frame frame) throws Exception {
Reference val = frame.getOperandStack().popRef();
frame.getLocalVars().setRef(2, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/astore_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 115
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class istore_1 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x3c;
}
@Override
public void execute(Frame frame) {
int val = frame.getOperandStack().popInt();
frame.getLocalVars().setInt(1, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/istore_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 108
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class dstore_3 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x4a;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getOperandStack().popDouble();
frame.getLocalVars().setDouble(3, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/dstore_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 110
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class lstore extends Index8Instruction {
@Override
public int getOpCode() {
return 0x37;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getOperandStack().popLong();
frame.getLocalVars().setLong(index, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/lstore.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 104
|
```java
package com.github.jvmgo.instructions.stores;
/**
*
*
*/
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/package-info.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 15
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class lstore_2 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x41;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getOperandStack().popLong();
frame.getLocalVars().setLong(2, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/lstore_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 109
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class fstore_3 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x46;
}
@Override
public void execute(Frame frame) throws Exception {
float val = frame.getOperandStack().popFloat();
frame.getLocalVars().setFloat(3, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/fstore_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 109
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class astore_3 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x4e;
}
@Override
public void execute(Frame frame) throws Exception {
Reference val = frame.getOperandStack().popRef();
frame.getLocalVars().setRef(3, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/astore_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 115
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class fstore_2 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x45;
}
@Override
public void execute(Frame frame) {
float val = frame.getOperandStack().popFloat();
frame.getLocalVars().setFloat(2, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/fstore_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class dstore extends Index8Instruction {
@Override
public int getOpCode() {
return 0x39;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getOperandStack().popDouble();
frame.getLocalVars().setDouble(index, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/dstore.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 104
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class istore_2 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x3d;
}
@Override
public void execute(Frame frame) {
int val = frame.getOperandStack().popInt();
frame.getLocalVars().setInt(2, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/istore_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 108
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class lstore_1 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x40;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getOperandStack().popLong();
frame.getLocalVars().setLong(1, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/lstore_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 109
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class fstore extends Index8Instruction {
@Override
public int getOpCode() {
return 0x38;
}
@Override
public void execute(Frame frame) {
float val = frame.getOperandStack().popFloat();
frame.getLocalVars().setFloat(index, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/fstore.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 102
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class lstore_0 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x3f;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getOperandStack().popLong();
frame.getLocalVars().setLong(0, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/lstore_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 110
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class astore extends Index8Instruction {
@Override
public int getOpCode() {
return 0x3a;
}
@Override
public void execute(Frame frame) throws Exception {
Reference reference = frame.getOperandStack().popRef();
frame.getLocalVars().setRef(index, reference);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/astore.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 110
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class fstore_0 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x43;
}
@Override
public void execute(Frame frame) {
float val = frame.getOperandStack().popFloat();
frame.getLocalVars().setFloat(0, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/fstore_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class istore_3 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x3e;
}
@Override
public void execute(Frame frame) {
int val = frame.getOperandStack().popInt();
frame.getLocalVars().setInt(3, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/istore_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 108
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class istore extends Index8Instruction {
@Override
public int getOpCode() {
return 0x36;
}
@Override
public void execute(Frame frame) {
int val = frame.getOperandStack().popInt();
frame.getLocalVars().setInt(index, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/istore.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 102
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class dstore_0 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x47;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getOperandStack().popDouble();
frame.getLocalVars().setDouble(0, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/dstore_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 109
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class fstore_1 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x44;
}
@Override
public void execute(Frame frame) {
float val = frame.getOperandStack().popFloat();
frame.getLocalVars().setFloat(1, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/fstore_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.base;
import com.github.jvmgo.rtda.Frame;
public abstract class Index16Instruction implements Instruction {
private int index;
@Override
public void fetchOperands(BytecodeReader reader) {
this.index = reader.read16();
}
@Override
public abstract void execute(Frame frame);
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/Index16Instruction.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 74
|
```java
package com.github.jvmgo.instructions.stores;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class astore_1 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x4c;
}
@Override
public void execute(Frame frame) throws Exception {
Reference val = frame.getOperandStack().popRef();
frame.getLocalVars().setRef(1, val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/stores/astore_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 115
|
```java
package com.github.jvmgo.instructions.base;
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
public class BytecodeReader {
private byte[] code;
private int pc;
public BytecodeReader(byte[] code, int pc) {
this.code = code;
this.pc = pc;
}
public BytecodeReader reset(byte[] code, int pc) {
this.code = code;
this.pc = pc;
return this;
}
public int read8() {
int b = code[pc];
pc += 1;
return b & 0xFF;
}
public int read16() {
int b1 = code[pc];
int b2 = code[pc + 1];
pc += 2;
return b1 << 8 | b2;
}
public int read32() {
int b1 = code[pc];
int b2 = code[pc + 1];
int b3 = code[pc + 2];
int b4 = code[pc + 3];
pc += 4;
return b1 << 24 | b2 << 16 | b3 << 8 | b4;
}
public int[] readInt32s(int length) {
int[] ints = new int[length];
for (int i = 0; i < ints.length; i++) {
ints[i] = read32();
}
return ints;
}
public void skipPadding() {
while (pc % 4 != 0) {
read8();
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/BytecodeReader.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 341
|
```java
package com.github.jvmgo.instructions.base;
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/package-info.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 10
|
```java
package com.github.jvmgo.instructions.base;
import com.github.jvmgo.rtda.Frame;
public interface Instruction {
int getOpCode();
default String getReName() {
return this.getClass().getSimpleName();
}
/**
*
*
* @param reader
*/
void fetchOperands(BytecodeReader reader) throws Exception;
/**
*
*
* @param frame
*/
void execute(Frame frame) throws Exception;
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/Instruction.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 101
|
```java
package com.github.jvmgo.instructions.base;
import com.github.jvmgo.rtda.Frame;
/**
*
*/
public abstract class BranchInstruction implements Instruction {
protected int offset;
@Override
public void fetchOperands(BytecodeReader reader) throws Exception {
this.offset = reader.read16();
}
@Override
public abstract void execute(Frame frame) throws Exception;
public void branch(Frame frame, int offset) {
int pc = frame.getThread().getPc();
frame.setNextPc(pc + offset);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/BranchInstruction.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 117
|
```java
package com.github.jvmgo.instructions.base;
import lombok.Setter;
import com.github.jvmgo.rtda.Frame;
public abstract class Index8Instruction implements Instruction {
@Setter
protected int index;
@Override
public void fetchOperands(BytecodeReader reader) {
this.index = reader.read8();
}
@Override
public abstract void execute(Frame frame) throws Exception;
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/Index8Instruction.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 85
|
```java
package com.github.jvmgo.instructions.base;
import com.github.jvmgo.rtda.Frame;
public abstract class NoOperandsInstruction implements Instruction {
@Override
public void fetchOperands(BytecodeReader reader) {
}
@Override
public abstract void execute(Frame frame) throws Exception;
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/NoOperandsInstruction.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 65
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class aload_0 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x2a;
}
@Override
public void execute(Frame frame) throws Exception {
Reference ref = frame.getLocalVars().getRef(0);
frame.getOperandStack().pushRef(ref);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/aload_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 111
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class aaload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x31;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/aaload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 78
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class aload_2 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x2c;
}
@Override
public void execute(Frame frame) throws Exception {
Reference ref = frame.getLocalVars().getRef(2);
frame.getOperandStack().pushRef(ref);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/aload_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 111
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class dload_1 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x27;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getLocalVars().getDouble(1);
frame.getOperandStack().pushDouble(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/dload_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class saload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x35;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/saload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 78
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class baload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x33;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/baload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 78
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class aload_3 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x2d;
}
@Override
public void execute(Frame frame) throws Exception {
Reference ref = frame.getLocalVars().getRef(3);
frame.getOperandStack().pushRef(ref);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/aload_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 111
|
```java
package com.github.jvmgo.instructions.base;
import com.github.jvmgo.instructions.comparisons.*;
import com.github.jvmgo.instructions.constants.*;
import com.github.jvmgo.instructions.control.*;
import com.github.jvmgo.instructions.conversions.*;
import com.github.jvmgo.instructions.extended.*;
import com.github.jvmgo.instructions.loads.*;
import com.github.jvmgo.instructions.math.*;
import com.github.jvmgo.instructions.stack.*;
import com.github.jvmgo.instructions.stores.*;
import java.util.HashMap;
import java.util.Map;
public class InstructionFactory {
private static Map<Integer, Instruction> codeMap = new HashMap<>();
private static Map<String, Instruction> nameMap = new HashMap<>();
static {
putInstruction(new dcmpg());
putInstruction(new dcmpl());
putInstruction(new fcmpg());
putInstruction(new fcmpl());
putInstruction(new if_acmpeq());
putInstruction(new if_acmpne());
putInstruction(new if_icmpeq());
putInstruction(new if_icmpge());
putInstruction(new if_icmpgt());
putInstruction(new if_icmple());
putInstruction(new if_icmplt());
putInstruction(new if_icmpne());
putInstruction(new ifeq());
putInstruction(new ifge());
putInstruction(new ifgt());
putInstruction(new ifle());
putInstruction(new iflt());
putInstruction(new ifne());
putInstruction(new lcmp());
putInstruction(new aconst_null());
putInstruction(new bipush());
putInstruction(new dconst_0());
putInstruction(new dconst_1());
putInstruction(new fconst_0());
putInstruction(new fconst_1());
putInstruction(new fconst_2());
putInstruction(new iconst_0());
putInstruction(new iconst_1());
putInstruction(new iconst_2());
putInstruction(new iconst_3());
putInstruction(new iconst_4());
putInstruction(new iconst_5());
putInstruction(new iconst_m1());
putInstruction(new lconst_0());
putInstruction(new lconst_1());
putInstruction(new ldc());
putInstruction(new ldc2_w());
putInstruction(new ldc_w());
putInstruction(new nop());
putInstruction(new sipush());
putInstruction(new areturn());
putInstruction(new dreturn());
putInstruction(new freturn());
putInstruction(new goto_());
putInstruction(new ireturn());
putInstruction(new jsr());
putInstruction(new lookupswitch());
putInstruction(new lreturn());
putInstruction(new ret());
putInstruction(new return_());
putInstruction(new tableswitch());
putInstruction(new d2f());
putInstruction(new d2i());
putInstruction(new d2l());
putInstruction(new f2d());
putInstruction(new f2i());
putInstruction(new f2l());
putInstruction(new i2b());
putInstruction(new i2c());
putInstruction(new i2d());
putInstruction(new i2f());
putInstruction(new i2l());
putInstruction(new i2s());
putInstruction(new l2d());
putInstruction(new l2f());
putInstruction(new l2i());
putInstruction(new gotow());
putInstruction(new ifnotnull());
putInstruction(new ifnull());
putInstruction(new wide());
putInstruction(new aaload());
putInstruction(new aload());
putInstruction(new aload_0());
putInstruction(new aload_1());
putInstruction(new aload_2());
putInstruction(new aload_3());
putInstruction(new baload());
putInstruction(new caload());
putInstruction(new daload());
putInstruction(new dload());
putInstruction(new dload_0());
putInstruction(new dload_1());
putInstruction(new dload_2());
putInstruction(new dload_3());
putInstruction(new faload());
putInstruction(new fload());
putInstruction(new fload_0());
putInstruction(new fload_1());
putInstruction(new fload_2());
putInstruction(new fload_3());
putInstruction(new iaload());
putInstruction(new iload());
putInstruction(new iload_0());
putInstruction(new iload_1());
putInstruction(new iload_2());
putInstruction(new iload_3());
putInstruction(new laload());
putInstruction(new lload());
putInstruction(new lload_0());
putInstruction(new lload_1());
putInstruction(new lload_2());
putInstruction(new lload_3());
putInstruction(new saload());
putInstruction(new xaload());
putInstruction(new dadd());
putInstruction(new ddiv());
putInstruction(new dmul());
putInstruction(new dneg());
putInstruction(new drem());
putInstruction(new dsub());
putInstruction(new fadd());
putInstruction(new fdiv());
putInstruction(new fmul());
putInstruction(new fneg());
putInstruction(new frem());
putInstruction(new fsub());
putInstruction(new iadd());
putInstruction(new iand());
putInstruction(new idiv());
putInstruction(new iinc());
putInstruction(new imul());
putInstruction(new ineg());
putInstruction(new ior());
putInstruction(new irem());
putInstruction(new ishl());
putInstruction(new ishr());
putInstruction(new isub());
putInstruction(new iushr());
putInstruction(new ixor());
putInstruction(new ladd());
putInstruction(new land());
putInstruction(new ldiv());
putInstruction(new lmul());
putInstruction(new lneg());
putInstruction(new lor());
putInstruction(new lrem());
putInstruction(new lshl());
putInstruction(new lshr());
putInstruction(new lsub());
putInstruction(new lushr());
putInstruction(new lxor());
putInstruction(new dup());
putInstruction(new dup2());
putInstruction(new dup2_x1());
putInstruction(new dup2_x2());
putInstruction(new dup_x1());
putInstruction(new dup_x2());
putInstruction(new pop());
putInstruction(new pop2());
putInstruction(new swap());
putInstruction(new astore());
putInstruction(new astore_0());
putInstruction(new astore_1());
putInstruction(new astore_2());
putInstruction(new astore_3());
putInstruction(new dstore());
putInstruction(new dstore_0());
putInstruction(new dstore_1());
putInstruction(new dstore_2());
putInstruction(new dstore_3());
putInstruction(new fstore());
putInstruction(new fstore_0());
putInstruction(new fstore_1());
putInstruction(new fstore_2());
putInstruction(new fstore_3());
putInstruction(new istore());
putInstruction(new istore_0());
putInstruction(new istore_1());
putInstruction(new istore_2());
putInstruction(new istore_3());
putInstruction(new lstore());
putInstruction(new lstore_0());
putInstruction(new lstore_1());
putInstruction(new lstore_2());
putInstruction(new lstore_3());
}
public static Instruction getByOpcode(int opcode) throws Exception {
Instruction instruction = codeMap.get(opcode);
if (instruction==null){
throw new Exception("no operation code");
}
return instruction;
}
public static Instruction getByOpcode(String name) throws Exception {
Instruction instruction = codeMap.get(name);
if (instruction==null){
throw new Exception("no operation code");
}
return instruction;
}
private static void putInstruction(Instruction instruction) {
codeMap.put(instruction.getOpCode(), instruction);
nameMap.put(instruction.getReName(), instruction);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/base/InstructionFactory.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 1,630
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class lload_0 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x1e;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getLocalVars().getLong(0);
frame.getOperandStack().pushLong(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/lload_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 106
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class xaload extends Index8Instruction {
@Override
public int getOpCode() {
return 0;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/xaload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 76
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class fload_1 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x23;
}
@Override
public void execute(Frame frame) throws Exception {
float val = frame.getLocalVars().getFloat(1);
frame.getOperandStack().pushFloat(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/fload_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class iload_0 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x1a;
}
@Override
public void execute(Frame frame) throws Exception {
int val = frame.getLocalVars().getInt(0);
frame.getOperandStack().pushInt(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/iload_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class iload_2 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x1c;
}
@Override
public void execute(Frame frame) throws Exception {
int val = frame.getLocalVars().getInt(2);
frame.getOperandStack().pushInt(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/iload_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class dload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x18;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getLocalVars().getDouble(index);
frame.getOperandStack().pushDouble(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/dload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 102
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class fload_0 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x22;
}
@Override
public void execute(Frame frame) throws Exception {
float val = frame.getLocalVars().getFloat(0);
frame.getOperandStack().pushFloat(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/fload_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class dload_0 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x26;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getLocalVars().getDouble(0);
frame.getOperandStack().pushDouble(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/dload_0.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class lload_2 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x20;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getLocalVars().getLong(2);
frame.getOperandStack().pushLong(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/lload_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
/**
*
*
*
*/
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/package-info.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 15
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class iload_3 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x1d;
}
@Override
public void execute(Frame frame) throws Exception {
int val = frame.getLocalVars().getInt(3);
frame.getOperandStack().pushInt(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/iload_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class lload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x16;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getLocalVars().getLong(index);
frame.getOperandStack().pushLong(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/lload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 102
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
public class iload_1 extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x1b;
}
@Override
public void execute(Frame frame) throws Exception {
int val = frame.getLocalVars().getInt(1);
frame.getOperandStack().pushInt(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/iload_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class fload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x17;
}
@Override
public void execute(Frame frame) throws Exception {
float val = frame.getLocalVars().getFloat(index);
frame.getOperandStack().pushFloat(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/fload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 102
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class aload_1 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x2b;
}
@Override
public void execute(Frame frame) throws Exception {
Reference ref = frame.getLocalVars().getRef(1);
frame.getOperandStack().pushRef(ref);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/aload_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 111
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
import java.lang.ref.Reference;
public class aload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x19;
}
@Override
public void execute(Frame frame) throws Exception {
Reference ref = frame.getLocalVars().getRef(index);
frame.getOperandStack().pushRef(ref);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/aload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 107
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class daload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x31;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/daload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 78
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class dload_2 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x28;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getLocalVars().getDouble(2);
frame.getOperandStack().pushDouble(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/dload_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class laload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x2f;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/laload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 79
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class fload_3 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x25;
}
@Override
public void execute(Frame frame) throws Exception {
float val = frame.getLocalVars().getFloat(3);
frame.getOperandStack().pushFloat(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/fload_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class caload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x34;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/caload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 78
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class fload_2 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x24;
}
@Override
public void execute(Frame frame) throws Exception {
float val = frame.getLocalVars().getFloat(2);
frame.getOperandStack().pushFloat(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/fload_2.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class iaload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x2e;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/iaload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 80
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class lload_3 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x21;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getLocalVars().getLong(2);
frame.getOperandStack().pushLong(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/lload_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class iload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x15;
}
@Override
public String getReName() {
return "iload";
}
@Override
public void execute(Frame frame) throws Exception {
int val = frame.getLocalVars().getInt(index);
frame.getOperandStack().pushInt(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/iload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 121
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class lload_1 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x1f;
}
@Override
public void execute(Frame frame) throws Exception {
long val = frame.getLocalVars().getLong(1);
frame.getOperandStack().pushLong(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/lload_1.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 106
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class dload_3 extends Index8Instruction {
@Override
public int getOpCode() {
return 0x29;
}
@Override
public void execute(Frame frame) throws Exception {
double val = frame.getLocalVars().getDouble(3);
frame.getOperandStack().pushDouble(val);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/dload_3.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 105
|
```java
package com.github.jvmgo.instructions.loads;
import com.github.jvmgo.instructions.base.Index8Instruction;
import com.github.jvmgo.rtda.Frame;
public class faload extends Index8Instruction {
@Override
public int getOpCode() {
return 0x31;
}
@Override
public void execute(Frame frame) {
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/loads/faload.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 78
|
```java
package com.github.jvmgo.instructions.extended;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
import java.lang.ref.Reference;
public class ifnotnull extends BranchInstruction {
@Override
public int getOpCode() {
return 0xc7;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
Reference reference = operandStack.popRef();
if (reference.get() != null) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/extended/ifnotnull.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 137
|
```java
package com.github.jvmgo.instructions.extended;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
import java.lang.ref.Reference;
public class ifnull extends BranchInstruction {
@Override
public int getOpCode() {
return 0xc6;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
Reference reference = operandStack.popRef();
if (reference.get() == null) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/extended/ifnull.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 136
|
```java
package com.github.jvmgo.instructions.extended;
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/extended/package-info.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 11
|
```java
package com.github.jvmgo.instructions.extended;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.instructions.base.BytecodeReader;
import com.github.jvmgo.rtda.Frame;
public class gotow extends BranchInstruction {
@Override
public int getOpCode() {
return 0xc8;
}
@Override
public void fetchOperands(BytecodeReader reader) throws Exception {
offset = reader.read32();
}
@Override
public void execute(Frame frame) throws Exception {
branch(frame, offset);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/extended/gotow.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 124
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class iflt extends BranchInstruction {
@Override
public int getOpCode() {
return 0x9b;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
int i = operandStack.popInt();
if (i > 0) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/iflt.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 131
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class ifge extends BranchInstruction {
@Override
public int getOpCode() {
return 0x9c;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
int i = operandStack.popInt();
if (i <= 0) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/ifge.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 131
|
```java
package com.github.jvmgo.instructions.extended;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.instructions.base.BytecodeReader;
import com.github.jvmgo.instructions.base.Instruction;
import com.github.jvmgo.instructions.base.InstructionFactory;
import com.github.jvmgo.instructions.loads.*;
import com.github.jvmgo.instructions.stores.*;
import com.github.jvmgo.rtda.Frame;
public class wide extends BranchInstruction {
private Instruction modifiedInstruction;
@Override
public int getOpCode() {
return 0xc4;
}
@Override
public void fetchOperands(BytecodeReader reader) throws Exception {
int opcode = reader.read8();
switch (opcode) {
case 0x15:
iload a = (iload) InstructionFactory.getByOpcode(0x15);
a.setIndex(reader.read16());
modifiedInstruction = a;
break;
case 0x16:
lload b = (lload) InstructionFactory.getByOpcode(0x16);
b.setIndex(reader.read16());
modifiedInstruction = b;
break;
case 0x17:
fload c = (fload) InstructionFactory.getByOpcode(0x17);
c.setIndex(reader.read16());
modifiedInstruction = c;
break;
case 0x18:
dload d = (dload) InstructionFactory.getByOpcode(0x18);
d.setIndex(reader.read16());
modifiedInstruction = d;
break;
case 0x19:
aload e = (aload) InstructionFactory.getByOpcode(0x19);
e.setIndex(reader.read16());
modifiedInstruction = e;
break;
case 0x36:
istore f = (istore) InstructionFactory.getByOpcode(0x36);
f.setIndex(reader.read16());
modifiedInstruction = f;
break;
case 0x37:
lstore g = (lstore) InstructionFactory.getByOpcode(0x37);
g.setIndex(reader.read16());
modifiedInstruction = g;
break;
case 0x38:
fstore h = (fstore) InstructionFactory.getByOpcode(0x38);
h.setIndex(reader.read16());
modifiedInstruction = h;
break;
case 0x39:
dstore i = (dstore) InstructionFactory.getByOpcode(0x39);
i.setIndex(reader.read16());
modifiedInstruction = i;
break;
case 0x3a:
astore j = (astore) InstructionFactory.getByOpcode(0x3a);
j.setIndex(reader.read16());
modifiedInstruction = j;
break;
case 0x84:
com.github.jvmgo.instructions.math.iinc k = (com.github.jvmgo.instructions.math.iinc) InstructionFactory.getByOpcode(0x64);
k.setIndex(reader.read16());
k.setConstVal(reader.read16());
modifiedInstruction = k;
break;
case 0xa9:
throw new Exception("error");
}
}
@Override
public void execute(Frame frame) throws Exception {
modifiedInstruction.execute(frame);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/extended/wide.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 678
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class dcmpg extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x98;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
double v2 = operandStack.popDouble();
double v1 = operandStack.popDouble();
if (v1 > v2)
operandStack.pushInt(1);
else if (v1 == v2)
operandStack.pushInt(0);
else if (v1 < v2)
operandStack.pushInt(-1);
else
operandStack.pushInt(1);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/dcmpg.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 193
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class if_icmpne extends BranchInstruction {
@Override
public int getOpCode() {
return 0xa0;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
int v2 = operandStack.popInt();
int v1 = operandStack.popInt();
if (v2 != v1) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/if_icmpne.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 144
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class if_icmple extends BranchInstruction {
@Override
public int getOpCode() {
return 0xa4;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
int v2 = operandStack.popInt();
int v1 = operandStack.popInt();
if (v2 >= v1) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/if_icmple.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 144
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
import java.lang.ref.Reference;
public class if_acmpne extends BranchInstruction {
@Override
public int getOpCode() {
return 0xa6;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
Reference v2 = operandStack.popRef();
Reference v1 = operandStack.popRef();
if (!v2.equals(v1)) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/if_acmpne.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 150
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.BranchInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
import java.lang.ref.Reference;
public class if_acmpeq extends BranchInstruction {
@Override
public int getOpCode() {
return 0xa5;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
Reference v2 = operandStack.popRef();
Reference v1 = operandStack.popRef();
if (v2.equals(v1)) {
branch(frame,offset);
}
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/if_acmpeq.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 150
|
```java
package com.github.jvmgo.instructions.comparisons;
import com.github.jvmgo.instructions.base.NoOperandsInstruction;
import com.github.jvmgo.rtda.Frame;
import com.github.jvmgo.rtda.OperandStack;
public class fcmpl extends NoOperandsInstruction {
@Override
public int getOpCode() {
return 0x95;
}
@Override
public void execute(Frame frame) throws Exception {
OperandStack operandStack = frame.getOperandStack();
float v2 = operandStack.popFloat();
float v1 = operandStack.popFloat();
if (v1 > v2)
operandStack.pushInt(1);
else if (v1 == v2)
operandStack.pushInt(0);
else if (v1 < v2)
operandStack.pushInt(-1);
else
operandStack.pushInt(-1);
}
}
```
|
/content/code_sandbox/v1/code/java/jvmgo_java/ch05/src/main/java/com/github/jvmgo/instructions/comparisons/fcmpl.java
|
java
| 2016-01-06T13:13:45
| 2024-08-16T13:42:58
|
jvmgo-book
|
zxh0/jvmgo-book
| 1,605
| 193
|
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