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serialize.go
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serialize.go
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package compiler
import (
"bytes"
"encoding/binary"
"github.com/fendouhyz/life/compiler/opcodes"
)
// Serialize serializes a set of SSA-form instructions into a byte array
// for execution with an exec.VirtualMachine.
//
// Instruction encoding:
// Value ID (4 bytes) | Opcode (1 byte) | Operands
//
// Types are erased in the generated code.
// Example: float32/float64 are represented as uint32/uint64 respectively.
/*
这里的Value ID 是指该指令的执行完后的栈顶编号是多少，从1开始，所以frame.Regs申请的空间是 n+1， n是最高用到的栈空间
*/
func (c *SSAFunctionCompiler) Serialize() []byte {
buf := &bytes.Buffer{}
insRelocs := make([]int, len(c.Code))
reloc32Targets := make([]int, 0)
for i, ins := range c.Code {
insRelocs[i] = buf.Len()
binary.Write(buf, binary.LittleEndian, uint32(ins.Target)) //
/*
这里的Operands也就是ins.Values[i]类型是TyValueID，是Int64类型
具体是什么意思还有待讨论，目前认为字面意思是类型编号，比如int32代表着值是0
*/
switch ins.Op {
case "unreachable":
binary.Write(buf, binary.LittleEndian, opcodes.Unreachable)
case "select":
binary.Write(buf, binary.LittleEndian, opcodes.Select)
for i := 0; i < 3; i++ {
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[i]))
}
// Int 32-bit
case "i32.const", "f32.const":
binary.Write(buf, binary.LittleEndian, opcodes.I32Const)
binary.Write(buf, binary.LittleEndian, int32(ins.Immediates[0]))
case "i32.add":
binary.Write(buf, binary.LittleEndian, opcodes.I32Add)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.sub":
binary.Write(buf, binary.LittleEndian, opcodes.I32Sub)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.mul":
binary.Write(buf, binary.LittleEndian, opcodes.I32Mul)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.div_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32DivS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.div_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32DivU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.rem_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32RemS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.rem_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32RemU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.and":
binary.Write(buf, binary.LittleEndian, opcodes.I32And)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.or":
binary.Write(buf, binary.LittleEndian, opcodes.I32Or)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.xor":
binary.Write(buf, binary.LittleEndian, opcodes.I32Xor)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.shl":
binary.Write(buf, binary.LittleEndian, opcodes.I32Shl)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.shr_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32ShrS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.shr_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32ShrU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.rotl":
binary.Write(buf, binary.LittleEndian, opcodes.I32Rotl)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.rotr":
binary.Write(buf, binary.LittleEndian, opcodes.I32Rotr)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.clz":
binary.Write(buf, binary.LittleEndian, opcodes.I32Clz)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.ctz":
binary.Write(buf, binary.LittleEndian, opcodes.I32Ctz)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.popcnt":
binary.Write(buf, binary.LittleEndian, opcodes.I32PopCnt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.eqz":
binary.Write(buf, binary.LittleEndian, opcodes.I32EqZ)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.eq":
binary.Write(buf, binary.LittleEndian, opcodes.I32Eq)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.ne":
binary.Write(buf, binary.LittleEndian, opcodes.I32Ne)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.lt_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32LtS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.lt_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32LtU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.le_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32LeS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.le_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32LeU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.gt_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32GtS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.gt_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32GtU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.ge_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32GeS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.ge_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32GeU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
// Int 64-bit
case "i64.const", "f64.const":
binary.Write(buf, binary.LittleEndian, opcodes.I64Const)
binary.Write(buf, binary.LittleEndian, int64(ins.Immediates[0]))
case "i64.add":
binary.Write(buf, binary.LittleEndian, opcodes.I64Add)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.sub":
binary.Write(buf, binary.LittleEndian, opcodes.I64Sub)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.mul":
binary.Write(buf, binary.LittleEndian, opcodes.I64Mul)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.div_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64DivS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.div_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64DivU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.rem_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64RemS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.rem_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64RemU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.and":
binary.Write(buf, binary.LittleEndian, opcodes.I64And)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.or":
binary.Write(buf, binary.LittleEndian, opcodes.I64Or)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.xor":
binary.Write(buf, binary.LittleEndian, opcodes.I64Xor)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.shl":
binary.Write(buf, binary.LittleEndian, opcodes.I64Shl)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.shr_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64ShrS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.shr_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64ShrU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.rotl":
binary.Write(buf, binary.LittleEndian, opcodes.I64Rotl)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.rotr":
binary.Write(buf, binary.LittleEndian, opcodes.I64Rotr)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.clz":
binary.Write(buf, binary.LittleEndian, opcodes.I64Clz)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.ctz":
binary.Write(buf, binary.LittleEndian, opcodes.I64Ctz)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.popcnt":
binary.Write(buf, binary.LittleEndian, opcodes.I64PopCnt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.eqz":
binary.Write(buf, binary.LittleEndian, opcodes.I64EqZ)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.eq":
binary.Write(buf, binary.LittleEndian, opcodes.I64Eq)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.ne":
binary.Write(buf, binary.LittleEndian, opcodes.I64Ne)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.lt_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64LtS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.lt_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64LtU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.le_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64LeS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.le_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64LeU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.gt_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64GtS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.gt_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64GtU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.ge_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64GeS)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i64.ge_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64GeU)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
// Float 32-bit
case "f32.add":
binary.Write(buf, binary.LittleEndian, opcodes.F32Add)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.sub":
binary.Write(buf, binary.LittleEndian, opcodes.F32Sub)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.mul":
binary.Write(buf, binary.LittleEndian, opcodes.F32Mul)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.div":
binary.Write(buf, binary.LittleEndian, opcodes.F32Div)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.sqrt":
binary.Write(buf, binary.LittleEndian, opcodes.F32Sqrt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.min":
binary.Write(buf, binary.LittleEndian, opcodes.F32Min)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.max":
binary.Write(buf, binary.LittleEndian, opcodes.F32Max)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.ceil":
binary.Write(buf, binary.LittleEndian, opcodes.F32Ceil)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.floor":
binary.Write(buf, binary.LittleEndian, opcodes.F32Floor)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.trunc":
binary.Write(buf, binary.LittleEndian, opcodes.F32Trunc)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.nearest":
binary.Write(buf, binary.LittleEndian, opcodes.F32Nearest)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.abs":
binary.Write(buf, binary.LittleEndian, opcodes.F32Abs)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.neg":
binary.Write(buf, binary.LittleEndian, opcodes.F32Neg)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.copysign":
binary.Write(buf, binary.LittleEndian, opcodes.F32CopySign)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.eq":
binary.Write(buf, binary.LittleEndian, opcodes.F32Eq)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.ne":
binary.Write(buf, binary.LittleEndian, opcodes.F32Ne)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.lt":
binary.Write(buf, binary.LittleEndian, opcodes.F32Lt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.le":
binary.Write(buf, binary.LittleEndian, opcodes.F32Le)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.gt":
binary.Write(buf, binary.LittleEndian, opcodes.F32Gt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f32.ge":
binary.Write(buf, binary.LittleEndian, opcodes.F32Ge)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
// Float 64-bit
case "f64.add":
binary.Write(buf, binary.LittleEndian, opcodes.F64Add)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.sub":
binary.Write(buf, binary.LittleEndian, opcodes.F64Sub)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.mul":
binary.Write(buf, binary.LittleEndian, opcodes.F64Mul)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.div":
binary.Write(buf, binary.LittleEndian, opcodes.F64Div)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.sqrt":
binary.Write(buf, binary.LittleEndian, opcodes.F64Sqrt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.min":
binary.Write(buf, binary.LittleEndian, opcodes.F64Min)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.max":
binary.Write(buf, binary.LittleEndian, opcodes.F64Max)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.ceil":
binary.Write(buf, binary.LittleEndian, opcodes.F64Ceil)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.floor":
binary.Write(buf, binary.LittleEndian, opcodes.F64Floor)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.trunc":
binary.Write(buf, binary.LittleEndian, opcodes.F64Trunc)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.nearest":
binary.Write(buf, binary.LittleEndian, opcodes.F64Nearest)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.abs":
binary.Write(buf, binary.LittleEndian, opcodes.F64Abs)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.neg":
binary.Write(buf, binary.LittleEndian, opcodes.F64Neg)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.copysign":
binary.Write(buf, binary.LittleEndian, opcodes.F64CopySign)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.eq":
binary.Write(buf, binary.LittleEndian, opcodes.F64Eq)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.ne":
binary.Write(buf, binary.LittleEndian, opcodes.F64Ne)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.lt":
binary.Write(buf, binary.LittleEndian, opcodes.F64Lt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.le":
binary.Write(buf, binary.LittleEndian, opcodes.F64Le)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.gt":
binary.Write(buf, binary.LittleEndian, opcodes.F64Gt)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "f64.ge":
binary.Write(buf, binary.LittleEndian, opcodes.F64Ge)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "i32.wrap/i64":
binary.Write(buf, binary.LittleEndian, opcodes.I32WrapI64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.trunc_s/f32":
binary.Write(buf, binary.LittleEndian, opcodes.I32TruncSF32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.trunc_s/f64":
binary.Write(buf, binary.LittleEndian, opcodes.I32TruncSF64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.trunc_u/f32":
binary.Write(buf, binary.LittleEndian, opcodes.I32TruncUF32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.trunc_u/f64":
binary.Write(buf, binary.LittleEndian, opcodes.I32TruncUF64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.trunc_s/f32":
binary.Write(buf, binary.LittleEndian, opcodes.I64TruncSF32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.trunc_s/f64":
binary.Write(buf, binary.LittleEndian, opcodes.I64TruncSF64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.trunc_u/f32":
binary.Write(buf, binary.LittleEndian, opcodes.I64TruncUF32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.trunc_u/f64":
binary.Write(buf, binary.LittleEndian, opcodes.I64TruncUF64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.extend_u/i32":
binary.Write(buf, binary.LittleEndian, opcodes.I64ExtendUI32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i64.extend_s/i32":
binary.Write(buf, binary.LittleEndian, opcodes.I64ExtendSI32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.demote/f64":
binary.Write(buf, binary.LittleEndian, opcodes.F32DemoteF64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.promote/f32":
binary.Write(buf, binary.LittleEndian, opcodes.F64PromoteF32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.convert_s/i32":
binary.Write(buf, binary.LittleEndian, opcodes.F32ConvertSI32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.convert_s/i64":
binary.Write(buf, binary.LittleEndian, opcodes.F32ConvertSI64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.convert_u/i32":
binary.Write(buf, binary.LittleEndian, opcodes.F32ConvertUI32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f32.convert_u/i64":
binary.Write(buf, binary.LittleEndian, opcodes.F32ConvertUI64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.convert_s/i32":
binary.Write(buf, binary.LittleEndian, opcodes.F64ConvertSI32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.convert_s/i64":
binary.Write(buf, binary.LittleEndian, opcodes.F64ConvertSI64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.convert_u/i32":
binary.Write(buf, binary.LittleEndian, opcodes.F64ConvertUI32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "f64.convert_u/i64":
binary.Write(buf, binary.LittleEndian, opcodes.F64ConvertUI64)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "i32.reinterpret/f32", "i64.reinterpret/f64", "f32.reinterpret/i32", "f64.reinterpret/i64":
binary.Write(buf, binary.LittleEndian, opcodes.Nop)
case "i32.load", "f32.load":
binary.Write(buf, binary.LittleEndian, opcodes.I32Load)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i32.load8_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32Load8S)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i32.load16_s":
binary.Write(buf, binary.LittleEndian, opcodes.I32Load16S)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i64.load8_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64Load8S)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i64.load16_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64Load16S)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i64.load32_s":
binary.Write(buf, binary.LittleEndian, opcodes.I64Load32S)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i32.load8_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32Load8U)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i32.load16_u":
binary.Write(buf, binary.LittleEndian, opcodes.I32Load16U)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i64.load8_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64Load8U)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i64.load16_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64Load16U)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i64.load32_u":
binary.Write(buf, binary.LittleEndian, opcodes.I64Load32U)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i64.load", "f64.load":
binary.Write(buf, binary.LittleEndian, opcodes.I64Load)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
case "i32.store", "f32.store":
binary.Write(buf, binary.LittleEndian, opcodes.I32Store)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1])) // Address of value to store
case "i32.store8":
binary.Write(buf, binary.LittleEndian, opcodes.I32Store8)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1])) // Address of value to store
case "i32.store16":
binary.Write(buf, binary.LittleEndian, opcodes.I32Store16)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1])) // Address of value to store
case "i64.store8":
binary.Write(buf, binary.LittleEndian, opcodes.I64Store8)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1])) // Address of value to store
case "i64.store16":
binary.Write(buf, binary.LittleEndian, opcodes.I64Store16)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1])) // Address of value to store
case "i64.store32":
binary.Write(buf, binary.LittleEndian, opcodes.I64Store32)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1])) // Address of value to store
case "i64.store", "f64.store":
binary.Write(buf, binary.LittleEndian, opcodes.I64Store)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0])) // Memory alignment flags
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1])) // Memory offset
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0])) // Memory base address
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1])) // Address of value to store
case "jmp":
binary.Write(buf, binary.LittleEndian, opcodes.Jmp)
reloc32Targets = append(reloc32Targets, buf.Len())
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "jmp_if":
binary.Write(buf, binary.LittleEndian, opcodes.JmpIf)
reloc32Targets = append(reloc32Targets, buf.Len())
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "jmp_either":
binary.Write(buf, binary.LittleEndian, opcodes.JmpEither)
reloc32Targets = append(reloc32Targets, buf.Len())
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
reloc32Targets = append(reloc32Targets, buf.Len())
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[1]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "jmp_table":
binary.Write(buf, binary.LittleEndian, opcodes.JmpTable)
binary.Write(buf, binary.LittleEndian, uint32(len(ins.Immediates)-1))
for _, v := range ins.Immediates {
reloc32Targets = append(reloc32Targets, buf.Len())
binary.Write(buf, binary.LittleEndian, uint32(v))
}
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[1]))
case "phi":
binary.Write(buf, binary.LittleEndian, opcodes.Phi)
case "return":
if len(ins.Values) != 0 {
binary.Write(buf, binary.LittleEndian, opcodes.ReturnValue)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
} else {
binary.Write(buf, binary.LittleEndian, opcodes.ReturnVoid)
}
case "get_local":
binary.Write(buf, binary.LittleEndian, opcodes.GetLocal)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
case "set_local":
binary.Write(buf, binary.LittleEndian, opcodes.SetLocal)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "get_global":
binary.Write(buf, binary.LittleEndian, opcodes.GetGlobal)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
case "set_global":
binary.Write(buf, binary.LittleEndian, opcodes.SetGlobal)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "call":
binary.Write(buf, binary.LittleEndian, opcodes.Call)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
binary.Write(buf, binary.LittleEndian, uint32(len(ins.Values)))
for _, v := range ins.Values {
binary.Write(buf, binary.LittleEndian, uint32(v))
}
case "call_indirect":
binary.Write(buf, binary.LittleEndian, opcodes.CallIndirect)
binary.Write(buf, binary.LittleEndian, uint32(ins.Immediates[0]))
binary.Write(buf, binary.LittleEndian, uint32(len(ins.Values)))
for _, v := range ins.Values {
binary.Write(buf, binary.LittleEndian, uint32(v))
}
case "current_memory":
binary.Write(buf, binary.LittleEndian, opcodes.CurrentMemory)
case "grow_memory":
binary.Write(buf, binary.LittleEndian, opcodes.GrowMemory)
binary.Write(buf, binary.LittleEndian, uint32(ins.Values[0]))
case "add_gas":
binary.Write(buf, binary.LittleEndian, opcodes.AddGas)
binary.Write(buf, binary.LittleEndian, uint64(ins.Immediates[0]))
case "fp_disabled_error":
binary.Write(buf, binary.LittleEndian, opcodes.FPDisabledError)
default:
panic(ins.Op)
}
}
ret := buf.Bytes()
for _, t := range reloc32Targets {
insPos := binary.LittleEndian.Uint32(ret[t : t+4])
binary.LittleEndian.PutUint32(ret[t:t+4], uint32(insRelocs[insPos]))
}
return ret
}