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SUICIDE instruction

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[Delivers #79510898]
This commit is contained in:
Paweł Bylica 2014-10-06 09:42:19 +02:00
parent 3f5785829e
commit f230c8259b
5 changed files with 25 additions and 2 deletions
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7
evmcc/Compiler.cpp
View file

@ -150,6 +150,7 @@ void Compiler::createBasicBlocks(const dev::bytes& bytecode)
case Instruction::RETURN:
case Instruction::STOP:
case Instruction::SUICIDE:
{
// Create a basic block starting at the following instruction.
if (curr + 1 < bytecode.cend())
@ -761,6 +762,12 @@ std::unique_ptr<llvm::Module> Compiler::compile(const dev::bytes& bytecode)
break;
}
case Instruction::SUICIDE:
{
auto address = stack.pop();
ext.suicide(address);
// Fall through
}
case Instruction::STOP:
{
builder.CreateRet(builder.getInt64(0));

13
evmcc/Ext.cpp
View file

@ -85,6 +85,7 @@ Ext::Ext(llvm::IRBuilder<>& _builder, llvm::Module* module)
m_setStore = Function::Create(TypeBuilder<void(i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_setStore", module);
m_calldataload = Function::Create(TypeBuilder<void(i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_calldataload", module);
m_balance = Function::Create(TypeBuilder<void(i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_balance", module);
m_suicide = Function::Create(TypeBuilder<void(i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_suicide", module);
m_create = Function::Create(TypeBuilder<void(i<256>*, i<256>*, i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_create", module);
Type* args[] = {i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy};
m_call = Function::Create(FunctionType::get(m_builder.getVoidTy(), args, false), Linkage::ExternalLinkage, "ext_call", module);
@ -147,6 +148,13 @@ Value* Ext::balance(Value* _address)
return m_builder.CreateLoad(m_args[1]);
}
void Ext::suicide(Value* _address)
{
auto address = bswap(_address); // to BE
m_builder.CreateStore(address, m_args[0]);
m_builder.CreateCall(m_suicide, m_args[0]);
}
Value* Ext::create(llvm::Value* _endowment, llvm::Value* _initOff, llvm::Value* _initSize)
{
m_builder.CreateStore(_endowment, m_args[0]);
@ -225,6 +233,11 @@ EXPORT void ext_balance(h256* _address, i256* _value)
*_value = eth2llvm(u);
}
EXPORT void ext_suicide(h256* _address)
{
Runtime::getExt().suicide(dev::right160(*_address));
}
EXPORT void ext_create(i256* _endowment, i256* _initOff, i256* _initSize, h256* _address)
{
auto&& ext = Runtime::getExt();

2
evmcc/Ext.h
View file

@ -33,6 +33,7 @@ public:
llvm::Value* gaslimit();
llvm::Value* balance(llvm::Value* _address);
void suicide(llvm::Value* _address);
llvm::Value* calldataload(llvm::Value* _index);
llvm::Value* create(llvm::Value* _endowment, llvm::Value* _initOff, llvm::Value* _initSize);
llvm::Value* call(llvm::Value* _gas, llvm::Value* _receiveAddress, llvm::Value* _value, llvm::Value* _inOff, llvm::Value* _inSize, llvm::Value* _outOff, llvm::Value* _outSize);
@ -58,6 +59,7 @@ private:
llvm::Function* m_setStore;
llvm::Function* m_calldataload;
llvm::Function* m_balance;
llvm::Function* m_suicide;
llvm::Function* m_create;
llvm::Function* m_call;
llvm::Function* m_bswap;

2
evmcc/bytecode/ext_test.evm
View file

@ -1 +1 @@
5a3031333234363a4041424344455a36600035602635601335387f1111222233334444555566667777888899990000aaaabbbbccccddddeeeeffff600054602060006000f06020600060206000600030610bb8f10060016002f2
5a3031333234363a4041424344455a36600035602635601335387f1111222233334444555566667777888899990000aaaabbbbccccddddeeeeffff600054602060006000f06020600060206000600030610bb8f130ff60016002f2

3
evmcc/lll/ext_test.lll
View file

@ -38,7 +38,8 @@ CREATE
ADDRESS
3000
CALL
STOP
ADDRESS
SUICIDE
1
2
RETURN