diff options
author | Determinant <[email protected]> | 2020-06-28 14:47:41 -0400 |
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committer | Determinant <[email protected]> | 2020-06-28 14:47:41 -0400 |
commit | d235e2c6a5788ec4a6cff15a16f56b38a3876a0d (patch) | |
tree | 5f2727f7a50ee5840f889c82776d3a30a88dd59b /core/vm/memory_table.go | |
parent | 13ebd8bd9468e9d769d598b0ca2afb72ba78cb97 (diff) |
...
Diffstat (limited to 'core/vm/memory_table.go')
-rw-r--r-- | core/vm/memory_table.go | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/core/vm/memory_table.go b/core/vm/memory_table.go new file mode 100644 index 0000000..4fcb414 --- /dev/null +++ b/core/vm/memory_table.go @@ -0,0 +1,113 @@ +// 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 + +func memorySha3(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} + +func memoryCallDataCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(2)) +} + +func memoryReturnDataCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(2)) +} + +func memoryCodeCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(2)) +} + +func memoryExtCodeCopy(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(1), stack.Back(3)) +} + +func memoryMLoad(stack *Stack) (uint64, bool) { + return calcMemSize64WithUint(stack.Back(0), 32) +} + +func memoryMStore8(stack *Stack) (uint64, bool) { + return calcMemSize64WithUint(stack.Back(0), 1) +} + +func memoryMStore(stack *Stack) (uint64, bool) { + return calcMemSize64WithUint(stack.Back(0), 32) +} + +func memoryCreate(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(1), stack.Back(2)) +} + +func memoryCreate2(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(1), stack.Back(2)) +} + +func memoryCall(stack *Stack) (uint64, bool) { + x, overflow := calcMemSize64(stack.Back(5), stack.Back(6)) + if overflow { + return 0, true + } + y, overflow := calcMemSize64(stack.Back(3), stack.Back(4)) + if overflow { + return 0, true + } + if x > y { + return x, false + } + return y, false +} +func memoryDelegateCall(stack *Stack) (uint64, bool) { + x, overflow := calcMemSize64(stack.Back(4), stack.Back(5)) + if overflow { + return 0, true + } + y, overflow := calcMemSize64(stack.Back(2), stack.Back(3)) + if overflow { + return 0, true + } + if x > y { + return x, false + } + return y, false +} + +func memoryStaticCall(stack *Stack) (uint64, bool) { + x, overflow := calcMemSize64(stack.Back(4), stack.Back(5)) + if overflow { + return 0, true + } + y, overflow := calcMemSize64(stack.Back(2), stack.Back(3)) + if overflow { + return 0, true + } + if x > y { + return x, false + } + return y, false +} + +func memoryReturn(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} + +func memoryRevert(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} + +func memoryLog(stack *Stack) (uint64, bool) { + return calcMemSize64(stack.Back(0), stack.Back(1)) +} |