mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-25 12:57:17 +00:00
92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Copyright 2017 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package vm
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/common/math"
|
|
)
|
|
|
|
func memorySha3(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(0), stack.Back(1))
|
|
}
|
|
|
|
func memoryCalldataCopy(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(0), stack.Back(2))
|
|
}
|
|
|
|
func memoryCodeCopy(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(0), stack.Back(2))
|
|
}
|
|
|
|
func memoryExtCodeCopy(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(1), stack.Back(3))
|
|
}
|
|
|
|
func memoryMLoad(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(0), big.NewInt(32))
|
|
}
|
|
|
|
func memoryMStore8(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(0), big.NewInt(1))
|
|
}
|
|
|
|
func memoryMStore(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(0), big.NewInt(32))
|
|
}
|
|
|
|
func memoryCreate(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(1), stack.Back(2))
|
|
}
|
|
|
|
func memoryCall(stack *Stack) *big.Int {
|
|
x := calcMemSize(stack.Back(5), stack.Back(6))
|
|
y := calcMemSize(stack.Back(3), stack.Back(4))
|
|
|
|
return math.BigMax(x, y)
|
|
}
|
|
|
|
func memoryCallCode(stack *Stack) *big.Int {
|
|
x := calcMemSize(stack.Back(5), stack.Back(6))
|
|
y := calcMemSize(stack.Back(3), stack.Back(4))
|
|
|
|
return math.BigMax(x, y)
|
|
}
|
|
func memoryDelegateCall(stack *Stack) *big.Int {
|
|
x := calcMemSize(stack.Back(4), stack.Back(5))
|
|
y := calcMemSize(stack.Back(2), stack.Back(3))
|
|
|
|
return math.BigMax(x, y)
|
|
}
|
|
|
|
func memoryStaticCall(stack *Stack) *big.Int {
|
|
x := calcMemSize(stack.Back(4), stack.Back(5))
|
|
y := calcMemSize(stack.Back(2), stack.Back(3))
|
|
|
|
return math.BigMax(x, y)
|
|
}
|
|
|
|
func memoryReturn(stack *Stack) *big.Int {
|
|
return calcMemSize(stack.Back(0), stack.Back(1))
|
|
}
|
|
|
|
func memoryLog(stack *Stack) *big.Int {
|
|
mSize, mStart := stack.Back(1), stack.Back(0)
|
|
return calcMemSize(mStart, mSize)
|
|
}
|