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#include "Runtime.h"
#include <llvm/IR/GlobalVariable.h>
#include <llvm/IR/Function.h>
#include <llvm/IR/IntrinsicInst.h>
namespace dev
{
namespace eth
{
namespace jit
{
namespace
{
jmp_buf_ref g_currJmpBuf;
}
jmp_buf_ref Runtime::getCurrJmpBuf()
{
return g_currJmpBuf;
}
Runtime::Runtime(RuntimeData* _data, Env* _env):
m_data(*_data),
m_env(*_env),
m_currJmpBuf(m_jmpBuf),
m_prevJmpBuf(g_currJmpBuf)
{
g_currJmpBuf = m_jmpBuf;
}
Runtime::~Runtime()
{
g_currJmpBuf = m_prevJmpBuf;
}
u256 Runtime::getGas() const
{
return llvm2eth(m_data.elems[RuntimeData::Gas]);
}
bytes Runtime::getReturnData() const // FIXME: Reconsider returning by copy
{
// TODO: Handle large indexes
auto offset = static_cast<size_t>(llvm2eth(m_data.elems[RuntimeData::ReturnDataOffset]));
auto size = static_cast<size_t>(llvm2eth(m_data.elems[RuntimeData::ReturnDataSize]));
assert(offset + size <= m_memory.size());
// TODO: Handle invalid data access by returning empty ref
auto dataBeg = m_memory.begin() + offset;
return {dataBeg, dataBeg + size};
}
}
}
}