More bytecode ops
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parent
9243c0b291
commit
5bc0d813e5
7 changed files with 395 additions and 120 deletions
155
src/bytecode.rs
155
src/bytecode.rs
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@ -40,6 +40,7 @@ impl Bytecode {
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0x2C => (Instruction::LoadLocalReference2(), 1),
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0x2D => (Instruction::LoadLocalReference3(), 1),
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0x32 => (Instruction::ArrayElement(), 1),
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0x3B => (Instruction::StoreLocalInt0(), 1),
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0x3C => (Instruction::StoreLocalInt1(), 1),
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0x3D => (Instruction::StoreLocalInt2(), 1),
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@ -59,7 +60,36 @@ impl Bytecode {
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0x80 => (Instruction::OrInt(), 1),
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0x99 => {
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let bytes = [self.bytes[offset+1], self.bytes[offset+2]];
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(Instruction::BranchZero(i16::from_be_bytes(bytes)), 3)
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}
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0x9A => {
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let bytes = [self.bytes[offset+1], self.bytes[offset+2]];
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(Instruction::BranchNonZero(i16::from_be_bytes(bytes)), 3)
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}
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0x9B => {
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let bytes = [self.bytes[offset+1], self.bytes[offset+2]];
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(Instruction::BranchNegative(i16::from_be_bytes(bytes)), 3)
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}
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0x9C => {
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let bytes = [self.bytes[offset+1], self.bytes[offset+2]];
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(Instruction::BranchNonPositive(i16::from_be_bytes(bytes)), 3)
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}
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0x9D => {
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let bytes = [self.bytes[offset+1], self.bytes[offset+2]];
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(Instruction::BranchPositive(i16::from_be_bytes(bytes)), 3)
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}
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0x9E => {
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let bytes = [self.bytes[offset+1], self.bytes[offset+2]];
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(Instruction::BranchNonNegative(i16::from_be_bytes(bytes)), 3)
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}
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0xAC => (Instruction::ReturnInt(), 1),
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0xA7 => {
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let bytes = [self.bytes[offset+1], self.bytes[offset+2]];
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(Instruction::BranchAlways(i16::from_be_bytes(bytes)), 3)
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}
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0xB0 => (Instruction::ReturnReference(), 1),
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0xB1 => (Instruction::ReturnVoid(), 1),
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@ -73,6 +103,7 @@ impl Bytecode {
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0xBA => (Instruction::InvokeDynamic((self.bytes[offset+1] as u16) << 8 | self.bytes[offset+2] as u16, (self.bytes[offset+3] as u16) << 8 | self.bytes[offset+4] as u16), 5),
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0xBB => (Instruction::NewObject((self.bytes[offset+1] as u16) << 8 | self.bytes[offset+2] as u16), 3),
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0xBD => (Instruction::NewArray((self.bytes[offset+1] as u16) << 8 | self.bytes[offset+2] as u16), 3),
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0xBE => (Instruction::ArrayLength(), 1),
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_ => (Instruction::Unknown(opcode), 1)
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}
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}
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@ -104,68 +135,84 @@ impl Debug for Bytecode {
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#[derive(Debug)]
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#[repr(u8)]
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pub enum Instruction {
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NoOperation() = 0x00, // No-Operation
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StoreIntoIntArray() = 0x01, // ..., arrayref, index, value
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PushConstIntM1() = 0x02, // Push -1
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PushConstInt0() = 0x03, // Push 0
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PushConstInt1() = 0x04, // Push 1
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PushConstInt2() = 0x05, // Push 2
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PushConstInt3() = 0x06, // Push 3
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PushConstInt4() = 0x07, // Push 4
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PushConstInt5() = 0x08, // Push 5
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PushConstDouble0() = 0x0E, // Push 0.0
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PushConstDouble1() = 0x0F, // Push 1.0
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NoOperation() = 0x00, // No-Operation
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StoreIntoIntArray() = 0x01, // ..., arrayref, index, value
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PushConstIntM1() = 0x02, // Push -1
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PushConstInt0() = 0x03, // Push 0
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PushConstInt1() = 0x04, // Push 1
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PushConstInt2() = 0x05, // Push 2
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PushConstInt3() = 0x06, // Push 3
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PushConstInt4() = 0x07, // Push 4
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PushConstInt5() = 0x08, // Push 5
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PushConstDouble0() = 0x0E, // Push 0.0
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PushConstDouble1() = 0x0F, // Push 1.0
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LoadByteImmediate(u8) = 0x10, // push immediate short
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LoadShortImmediate(u16) = 0x11, // push immediate short
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LoadConstant(u8) = 0x12, // Push from constant pool
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LoadConstant64(u16) = 0x14, // Push Long or Double from constant pool
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LoadLocalInt0() = 0x1A, // Load int from local variable
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LoadLocalInt1() = 0x1B, // Load int from local variable
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LoadLocalInt2() = 0x1C, // Load int from local variable
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LoadLocalInt3() = 0x1D, // Load int from local variable
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LoadByteImmediate(u8) = 0x10, // push immediate short
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LoadShortImmediate(u16) = 0x11, // push immediate short
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LoadConstant(u8) = 0x12, // Push from constant pool
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LoadConstant64(u16) = 0x14, // Push Long or Double from constant pool
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LoadLocalInt0() = 0x1A, // Load int from local variable
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LoadLocalInt1() = 0x1B, // Load int from local variable
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LoadLocalInt2() = 0x1C, // Load int from local variable
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LoadLocalInt3() = 0x1D, // Load int from local variable
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LoadLocalDouble0() = 0x26, // Load local double variable reference onto stack
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LoadLocalDouble1() = 0x27, // Load local double variable reference onto stack
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LoadLocalDouble2() = 0x28, // Load local double variable reference onto stack
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LoadLocalDouble3() = 0x29, // Load local double variable reference onto stack
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LoadLocalReference0() = 0x2A, // Load local reference variable reference onto stack
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LoadLocalReference1() = 0x2B, // Load local reference variable reference onto stack
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LoadLocalReference2() = 0x2C, // Load local reference variable reference onto stack
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LoadLocalReference3() = 0x2D, // Load local reference variable reference onto stack
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LoadLocalDouble0() = 0x26, // Load local double variable reference onto stack
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LoadLocalDouble1() = 0x27, // Load local double variable reference onto stack
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LoadLocalDouble2() = 0x28, // Load local double variable reference onto stack
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LoadLocalDouble3() = 0x29, // Load local double variable reference onto stack
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LoadLocalReference0() = 0x2A, // Load local reference variable reference onto stack
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LoadLocalReference1() = 0x2B, // Load local reference variable reference onto stack
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LoadLocalReference2() = 0x2C, // Load local reference variable reference onto stack
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LoadLocalReference3() = 0x2D, // Load local reference variable reference onto stack
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StoreLocalInt0() = 0x3B, // store int into local variable
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StoreLocalInt1() = 0x3C, // store int into local variable
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StoreLocalInt2() = 0x3D, // store int into local variable
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StoreLocalInt3() = 0x3E, // store int into local variable
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StoreReference0() = 0x4B, // store reference into local variable
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StoreReference1() = 0x4C, // store reference into local variable
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StoreReference2() = 0x4D, // store reference into local variable
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StoreReference3() = 0x4E, // store reference into local variable
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ArrayElement() = 0x32, // load element from array
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StoreLocalInt0() = 0x3B, // store int into local variable
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StoreLocalInt1() = 0x3C, // store int into local variable
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StoreLocalInt2() = 0x3D, // store int into local variable
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StoreLocalInt3() = 0x3E, // store int into local variable
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StoreReference0() = 0x4B, // store reference into local variable
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StoreReference1() = 0x4C, // store reference into local variable
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StoreReference2() = 0x4D, // store reference into local variable
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StoreReference3() = 0x4E, // store reference into local variable
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Pop() = 0x57, // Pop top stack value
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Duplicate() = 0x59, // duplicate top stack value
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Pop() = 0x57, // Pop top stack value
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Duplicate() = 0x59, // duplicate top stack value
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MultiplyInt() = 0x68, // int multiplication
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DivideLong() = 0x6D, // long division
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MultiplyInt() = 0x68, // int multiplication
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DivideLong() = 0x6D, // long division
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ShiftIntRight() = 0x7a, // shift int
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ShiftIntRight() = 0x7a, // shift int
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OrInt() = 0x80, // value, value => or
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OrInt() = 0x80, // value, value => or
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ReturnInt() = 0xAC, // return integer from function
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BranchZero(i16) = 0x99, // branch if value == 0
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BranchNonZero(i16) = 0x9A, // branch if value != 0
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BranchNegative(i16) = 0x9B, // branch if value < 0
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BranchNonPositive(i16) = 0x9C, // branch if value <= 0
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BranchPositive(i16) = 0x9D, // branch if value > 0
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BranchNonNegative(i16) = 0x9E, // branch if value >= 0
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ReturnReference() = 0xB0, // return top-ref from current function
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ReturnVoid() = 0xB1, // return void from function
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GetStatic(u16) = 0xB2, // get static field from class
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PutStatic(u16) = 0xB3, // set static field on class
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GetField(u16) = 0xB4, // get field from class
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PutField(u16) = 0xB5, // set field to a value
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InvokeVirtual(u16) = 0xB6, // invoke function on a class
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InvokeSpecial(u16) = 0xB7, // invoke instance method
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InvokeStatic(u16) = 0xB8, // invoke static function
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InvokeDynamic(u16, u16) = 0xBA, // invoke dynamic function
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NewObject(u16) = 0xBB, // Create a new object from a constant-pool class reference
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NewArray(u16) = 0xBD, // Create a new array from a constant-pool component class reference
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BranchIntEquality(i16) = 0x9F,
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BranchIntInequality(i16) = 0xA0,
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BranchIntLessThan(i16) = 0xA1,
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BranchIntGreaterEquals(i16) = 0xA2,
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BranchIntGreaterThan(i16) = 0xA3,
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BranchAlways(i16) = 0xA7, // branch if true
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ReturnInt() = 0xAC, // return integer from function
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ReturnReference() = 0xB0, // return top-ref from current function
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ReturnVoid() = 0xB1, // return void from function
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GetStatic(u16) = 0xB2, // get static field from class
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PutStatic(u16) = 0xB3, // set static field on class
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GetField(u16) = 0xB4, // get field from class
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PutField(u16) = 0xB5, // set field to a value
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InvokeVirtual(u16) = 0xB6, // invoke function on a class
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InvokeSpecial(u16) = 0xB7, // invoke instance method
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InvokeStatic(u16) = 0xB8, // invoke static function
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InvokeDynamic(u16, u16) = 0xBA, // invoke dynamic function
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NewObject(u16) = 0xBB, // Create a new object from a constant-pool class reference
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NewArray(u16) = 0xBD, // Create a new array from a constant-pool component class reference
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ArrayLength() = 0xBE, // Get length from array reference
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Unknown(u8),
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}
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