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Diffstat (limited to 'libjulia/backends/evm/EVMAssembly.h')
-rw-r--r-- | libjulia/backends/evm/EVMAssembly.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/libjulia/backends/evm/EVMAssembly.h b/libjulia/backends/evm/EVMAssembly.h deleted file mode 100644 index 593cee6a..00000000 --- a/libjulia/backends/evm/EVMAssembly.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - This file is part of solidity. - - solidity is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - solidity 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with solidity. If not, see <http://www.gnu.org/licenses/>. -*/ -/** - * Assembly interface for EVM and EVM1.5. - */ - -#pragma once - -#include <libjulia/backends/evm/AbstractAssembly.h> - -#include <libevmasm/LinkerObject.h> - -#include <map> - -namespace dev -{ -namespace julia -{ - -class EVMAssembly: public AbstractAssembly -{ -public: - explicit EVMAssembly(bool _evm15 = false): m_evm15(_evm15) { } - virtual ~EVMAssembly() {} - - /// Set a new source location valid starting from the next instruction. - virtual void setSourceLocation(SourceLocation const& _location) override; - /// Retrieve the current height of the stack. This does not have to be zero - /// at the beginning. - virtual int stackHeight() const override { return m_stackHeight; } - /// Append an EVM instruction. - virtual void appendInstruction(solidity::Instruction _instruction) override; - /// Append a constant. - virtual void appendConstant(u256 const& _constant) override; - /// Append a label. - virtual void appendLabel(LabelID _labelId) override; - /// Append a label reference. - virtual void appendLabelReference(LabelID _labelId) override; - /// Generate a new unique label. - virtual LabelID newLabelId() override; - /// Returns a label identified by the given name. Creates it if it does not yet exist. - virtual LabelID namedLabel(std::string const& _name) override; - /// Append a reference to a to-be-linked symobl. - /// Currently, we assume that the value is always a 20 byte number. - virtual void appendLinkerSymbol(std::string const& _name) override; - - /// Append a jump instruction. - /// @param _stackDiffAfter the stack adjustment after this instruction. - virtual void appendJump(int _stackDiffAfter) override; - /// Append a jump-to-immediate operation. - virtual void appendJumpTo(LabelID _labelId, int _stackDiffAfter) override; - /// Append a jump-to-if-immediate operation. - virtual void appendJumpToIf(LabelID _labelId) override; - /// Start a subroutine. - virtual void appendBeginsub(LabelID _labelId, int _arguments) override; - /// Call a subroutine. - virtual void appendJumpsub(LabelID _labelId, int _arguments, int _returns) override; - /// Return from a subroutine. - virtual void appendReturnsub(int _returns, int _stackDiffAfter) override; - - /// Append the assembled size as a constant. - virtual void appendAssemblySize() override; - - /// Resolves references inside the bytecode and returns the linker object. - eth::LinkerObject finalize(); - -private: - void setLabelToCurrentPosition(AbstractAssembly::LabelID _labelId); - void appendLabelReferenceInternal(AbstractAssembly::LabelID _labelId); - void updateReference(size_t pos, size_t size, u256 value); - - bool m_evm15 = false; ///< if true, switch to evm1.5 mode - LabelID m_nextLabelId = 0; - int m_stackHeight = 0; - bytes m_bytecode; - std::map<std::string, LabelID> m_namedLabels; - std::map<LabelID, size_t> m_labelPositions; - std::map<size_t, LabelID> m_labelReferences; - std::vector<size_t> m_assemblySizePositions; -}; - -} -} |