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Restrict assembly tags to 32-bit

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This commit is contained in:
Alex Beregszaszi 2018-04-30 18:37:50 +01:00
parent d26b6b64c0
commit d569ad91e4
1 changed files with 2 additions and 2 deletions
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4
libevmasm/Assembly.h
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@ -47,8 +47,8 @@ class Assembly
public: public:
Assembly() {} Assembly() {}
AssemblyItem newTag() { return AssemblyItem(Tag, m_usedTags++); } AssemblyItem newTag() { assertThrow(m_usedTags < 0xffffffff, AssemblyException, ""); return AssemblyItem(Tag, m_usedTags++); }
AssemblyItem newPushTag() { return AssemblyItem(PushTag, m_usedTags++); } AssemblyItem newPushTag() { assertThrow(m_usedTags < 0xffffffff, AssemblyException, ""); return AssemblyItem(PushTag, m_usedTags++); }
/// Returns a tag identified by the given name. Creates it if it does not yet exist. /// Returns a tag identified by the given name. Creates it if it does not yet exist.
AssemblyItem namedTag(std::string const& _name); AssemblyItem namedTag(std::string const& _name);
AssemblyItem newData(bytes const& _data) { h256 h(dev::keccak256(asString(_data))); m_data[h] = _data; return AssemblyItem(PushData, h); } AssemblyItem newData(bytes const& _data) { h256 h(dev::keccak256(asString(_data))); m_data[h] = _data; return AssemblyItem(PushData, h); }