cli/q
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Implemented multiplication

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This commit is contained in:
Eduard Urbach 2024-06-24 22:43:01 +02:00
parent 625e8d5e2e
commit 34af20d7a0
Signed by: akyoto
GPG Key ID: C874F672B1AF20C0
11 changed files with 107 additions and 47 deletions
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3
examples/hello/hello.q
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@ -11,7 +11,8 @@ hello() {
address += 4194304
address += 1
length += 5
length -= 2
length *= 2
length -= 7
loop {
syscall(write, stdout, address, length)

4
src/build/Finalize.go
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@ -29,8 +29,8 @@ func Finalize(functions map[string]*Function) ([]byte, []byte) {
func entry() *asm.Assembler {
entry := asm.New()
entry.Call("main")
entry.MoveRegisterNumber(x64.SyscallRegisters[0], linux.Exit)
entry.MoveRegisterNumber(x64.SyscallRegisters[1], 0)
entry.RegisterNumber(asm.MOVE, x64.SyscallRegisters[0], linux.Exit)
entry.RegisterNumber(asm.MOVE, x64.SyscallRegisters[1], 0)
entry.Syscall()
return entry
}

10
src/build/Function.go
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@ -120,11 +120,15 @@ func (f *Function) CompileInstruction(line token.List) error {
switch expr.Token.Text() {
case "+=":
f.Assembler.AddRegisterNumber(register, number)
f.Assembler.RegisterNumber(asm.ADD, register, number)
return nil
case "-=":
f.Assembler.SubRegisterNumber(register, number)
f.Assembler.RegisterNumber(asm.SUB, register, number)
return nil
case "*=":
f.Assembler.RegisterNumber(asm.MUL, register, number)
return nil
}
}
@ -164,7 +168,7 @@ func (f *Function) TokenToRegister(t token.Token, register cpu.Register) error {
return err
}
f.Assembler.MoveRegisterNumber(register, n)
f.Assembler.RegisterNumber(asm.MOVE, register, n)
return nil
case token.String:

33
src/build/arch/x64/Add_test.go
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@ -14,22 +14,23 @@ func TestAddRegisterNumber(t *testing.T) {
Number int
Code []byte
}{
{x64.RAX, 1, []byte{0x48, 0x83, 0xc0, 0x01}},
{x64.RCX, 1, []byte{0x48, 0x83, 0xc1, 0x01}},
{x64.RDX, 1, []byte{0x48, 0x83, 0xc2, 0x01}},
{x64.RBX, 1, []byte{0x48, 0x83, 0xc3, 0x01}},
{x64.RSP, 1, []byte{0x48, 0x83, 0xc4, 0x01}},
{x64.RBP, 1, []byte{0x48, 0x83, 0xc5, 0x01}},
{x64.RSI, 1, []byte{0x48, 0x83, 0xc6, 0x01}},
{x64.RDI, 1, []byte{0x48, 0x83, 0xc7, 0x01}},
{x64.R8, 1, []byte{0x49, 0x83, 0xc0, 0x01}},
{x64.R9, 1, []byte{0x49, 0x83, 0xc1, 0x01}},
{x64.R10, 1, []byte{0x49, 0x83, 0xc2, 0x01}},
{x64.R11, 1, []byte{0x49, 0x83, 0xc3, 0x01}},
{x64.R12, 1, []byte{0x49, 0x83, 0xc4, 0x01}},
{x64.R13, 1, []byte{0x49, 0x83, 0xc5, 0x01}},
{x64.R14, 1, []byte{0x49, 0x83, 0xc6, 0x01}},
{x64.R15, 1, []byte{0x49, 0x83, 0xc7, 0x01}},
{x64.RAX, 1, []byte{0x48, 0x83, 0xC0, 0x01}},
{x64.RCX, 1, []byte{0x48, 0x83, 0xC1, 0x01}},
{x64.RDX, 1, []byte{0x48, 0x83, 0xC2, 0x01}},
{x64.RBX, 1, []byte{0x48, 0x83, 0xC3, 0x01}},
{x64.RSP, 1, []byte{0x48, 0x83, 0xC4, 0x01}},
{x64.RBP, 1, []byte{0x48, 0x83, 0xC5, 0x01}},
{x64.RSI, 1, []byte{0x48, 0x83, 0xC6, 0x01}},
{x64.RDI, 1, []byte{0x48, 0x83, 0xC7, 0x01}},
{x64.R8, 1, []byte{0x49, 0x83, 0xC0, 0x01}},
{x64.R9, 1, []byte{0x49, 0x83, 0xC1, 0x01}},
{x64.R10, 1, []byte{0x49, 0x83, 0xC2, 0x01}},
{x64.R11, 1, []byte{0x49, 0x83, 0xC3, 0x01}},
{x64.R12, 1, []byte{0x49, 0x83, 0xC4, 0x01}},
{x64.R13, 1, []byte{0x49, 0x83, 0xC5, 0x01}},
{x64.R14, 1, []byte{0x49, 0x83, 0xC6, 0x01}},
{x64.R15, 1, []byte{0x49, 0x83, 0xC7, 0x01}},
{x64.RAX, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC0, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RCX, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC1, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RDX, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC2, 0xFF, 0xFF, 0xFF, 0x7F}},

8
src/build/arch/x64/Mul.go Normal file
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@ -0,0 +1,8 @@
package x64
import "git.akyoto.dev/cli/q/src/build/cpu"
// MulRegNum multiplies a register with a number.
func MulRegNum(code []byte, destination cpu.Register, number int) []byte {
return numRegReg(code, 0x6B, 0x69, byte(destination), byte(destination), number)
}

57
src/build/arch/x64/Mul_test.go Normal file
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@ -0,0 +1,57 @@
package x64_test
import (
"testing"
"git.akyoto.dev/cli/q/src/build/arch/x64"
"git.akyoto.dev/cli/q/src/build/cpu"
"git.akyoto.dev/go/assert"
)
func TestMulRegisterNumber(t *testing.T) {
usagePatterns := []struct {
Register cpu.Register
Number int
Code []byte
}{
{x64.RAX, 1, []byte{0x48, 0x6B, 0xC0, 0x01}},
{x64.RCX, 1, []byte{0x48, 0x6B, 0xC9, 0x01}},
{x64.RDX, 1, []byte{0x48, 0x6B, 0xD2, 0x01}},
{x64.RBX, 1, []byte{0x48, 0x6B, 0xDB, 0x01}},
{x64.RSP, 1, []byte{0x48, 0x6B, 0xE4, 0x01}},
{x64.RBP, 1, []byte{0x48, 0x6B, 0xED, 0x01}},
{x64.RSI, 1, []byte{0x48, 0x6B, 0xF6, 0x01}},
{x64.RDI, 1, []byte{0x48, 0x6B, 0xFF, 0x01}},
{x64.R8, 1, []byte{0x4D, 0x6B, 0xC0, 0x01}},
{x64.R9, 1, []byte{0x4D, 0x6B, 0xC9, 0x01}},
{x64.R10, 1, []byte{0x4D, 0x6B, 0xD2, 0x01}},
{x64.R11, 1, []byte{0x4D, 0x6B, 0xDB, 0x01}},
{x64.R12, 1, []byte{0x4D, 0x6B, 0xE4, 0x01}},
{x64.R13, 1, []byte{0x4D, 0x6B, 0xED, 0x01}},
{x64.R14, 1, []byte{0x4D, 0x6B, 0xF6, 0x01}},
{x64.R15, 1, []byte{0x4D, 0x6B, 0xFF, 0x01}},
{x64.RAX, 0x7FFFFFFF, []byte{0x48, 0x69, 0xC0, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RCX, 0x7FFFFFFF, []byte{0x48, 0x69, 0xC9, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RDX, 0x7FFFFFFF, []byte{0x48, 0x69, 0xD2, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RBX, 0x7FFFFFFF, []byte{0x48, 0x69, 0xDB, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RSP, 0x7FFFFFFF, []byte{0x48, 0x69, 0xE4, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RBP, 0x7FFFFFFF, []byte{0x48, 0x69, 0xED, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RSI, 0x7FFFFFFF, []byte{0x48, 0x69, 0xF6, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RDI, 0x7FFFFFFF, []byte{0x48, 0x69, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R8, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xC0, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R9, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xC9, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R10, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xD2, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R11, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xDB, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R12, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xE4, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R13, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xED, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R14, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xF6, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R15, 0x7FFFFFFF, []byte{0x4D, 0x69, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F}},
}
for _, pattern := range usagePatterns {
t.Logf("mul %s, %x", pattern.Register, pattern.Number)
code := x64.MulRegNum(nil, pattern.Register, pattern.Number)
assert.DeepEqual(t, code, pattern.Code)
}
}

1
src/build/arch/x64/Sub_test.go
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@ -30,6 +30,7 @@ func TestSubRegisterNumber(t *testing.T) {
{x64.R13, 1, []byte{0x49, 0x83, 0xED, 0x01}},
{x64.R14, 1, []byte{0x49, 0x83, 0xEE, 0x01}},
{x64.R15, 1, []byte{0x49, 0x83, 0xEF, 0x01}},
{x64.RAX, 0x7FFFFFFF, []byte{0x48, 0x81, 0xE8, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RCX, 0x7FFFFFFF, []byte{0x48, 0x81, 0xE9, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RDX, 0x7FFFFFFF, []byte{0x48, 0x81, 0xEA, 0xFF, 0xFF, 0xFF, 0x7F}},

0
src/build/arch/x64/numberToRegister.go → src/build/arch/x64/numRegReg.go
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6
src/build/asm/Assembler.go
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@ -39,6 +39,12 @@ func (a *Assembler) Finalize() ([]byte, []byte) {
code = x64.SubRegNum(code, operands.Register, operands.Number)
}
case MUL:
switch operands := x.Data.(type) {
case *RegisterNumber:
code = x64.MulRegNum(code, operands.Register, operands.Number)
}
case CALL:
code = x64.Call(code, 0x00_00_00_00)
size := 4

28
src/build/asm/Instructions.go
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@ -2,32 +2,10 @@ package asm
import "git.akyoto.dev/cli/q/src/build/cpu"
// AddRegisterNumber adds a number to the given register.
func (a *Assembler) AddRegisterNumber(reg cpu.Register, number int) {
// RegisterNumber adds an instruction with a register and a number.
func (a *Assembler) RegisterNumber(mnemonic Mnemonic, reg cpu.Register, number int) {
a.Instructions = append(a.Instructions, Instruction{
Mnemonic: ADD,
Data: &RegisterNumber{
Register: reg,
Number: number,
},
})
}
// SubRegisterNumber subtracts a number from the given register.
func (a *Assembler) SubRegisterNumber(reg cpu.Register, number int) {
a.Instructions = append(a.Instructions, Instruction{
Mnemonic: SUB,
Data: &RegisterNumber{
Register: reg,
Number: number,
},
})
}
// MoveRegisterNumber moves a number into the given register.
func (a *Assembler) MoveRegisterNumber(reg cpu.Register, number int) {
a.Instructions = append(a.Instructions, Instruction{
Mnemonic: MOVE,
Mnemonic: mnemonic,
Data: &RegisterNumber{
Register: reg,
Number: number,

4
src/build/asm/Mnemonic.go
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@ -7,6 +7,7 @@ const (
ADD
CALL
JUMP
MUL
LABEL
MOVE
RETURN
@ -32,6 +33,9 @@ func (m Mnemonic) String() string {
case MOVE:
return "move"
case MUL:
return "mul"
case RETURN:
return "return"