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This commit is contained in:
Alex Beregszaszi 2022-04-17 18:05:11 +02:00
parent 232cf2d1cb
commit c51af38724
2 changed files with 9 additions and 5 deletions
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6
libevmasm/Assembly.cpp
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@ -580,6 +580,7 @@ LinkerObject const& Assembly::assemble() const
case StaticJumpI:
{
ret.bytecode.push_back(static_cast<uint8_t>((i.type() == StaticJump) ? Instruction::RJUMP : Instruction::RJUMPI));
cout << "Adding static jump" << i << "\n";
tagRef[ret.bytecode.size()] = i.splitForeignPushTag();
isStaticTagRef.insert(ret.bytecode.size());
ret.bytecode.resize(ret.bytecode.size() + bytesPerStaticTag); // Place 0 as immediate for now
@ -710,10 +711,11 @@ LinkerObject const& Assembly::assemble() const
assertThrow(tagId < tagPositions.size(), AssemblyException, "Reference to non-existing tag.");
cout << tagId << "\n";
size_t pos = tagPositions[tagId];
assertThrow(pos != numeric_limits<size_t>::max(), AssemblyException, "Reference to tag without position.");
// assertThrow(pos != numeric_limits<size_t>::max(), AssemblyException, "Reference to tag without position.");
if (isStaticTagRef.count(i.first)) {
pos = pos - (i.first + bytesPerStaticTag); // TODO: calculate relative figure properly
assertThrow(numberEncodingSize(pos) <= bytesPerStaticTag, AssemblyException, "Tag too large for reserved space.");
cout << "Change position of static jump to " << pos << "\n";
// assertThrow(numberEncodingSize(pos) <= bytesPerStaticTag, AssemblyException, "Tag too large for reserved space.");
//pos = static_cast<uint16_t>(spos);
bytesRef r(ret.bytecode.data() + i.first, bytesPerStaticTag);
toBigEndian(pos, r);

8
libsolidity/codegen/CompilerContext.h
View File

@ -213,9 +213,11 @@ public:
evmasm::AssemblyItem const& _tag,
evmasm::AssemblyItem::JumpType _jumpType = evmasm::AssemblyItem::JumpType::Ordinary
) {
evmasm::AssemblyItem item = m_asm->appendStaticJump(_tag);
item.setJumpType(_jumpType);
return *this << item;
*m_asm << _tag.pushTag();
return appendJump(_jumpType);
// evmasm::AssemblyItem item = m_asm->appendStaticJump(_tag);
// item.setJumpType(_jumpType);
// return *this << item;
}
/// Appends pushing of a new tag and @returns the new tag.
evmasm::AssemblyItem pushNewTag() { return m_asm->append(m_asm->newPushTag()).tag(); }