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Merge pull request #4028 from ethereum/asm-tags-32bit

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Restrict assembly tags to 32-bit
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chriseth
2018-05-02 17:34:13 +02:00
committed by GitHub
parent a856135bbf d569ad91e4
commit e681f4ee79
1 changed files with 2 additions and 2 deletions
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libevmasm/Assembly.h
+2 -2
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@@ -47,8 +47,8 @@ class Assembly
public:
Assembly() {}
AssemblyItem newTag() { return AssemblyItem(Tag, m_usedTags++); }
AssemblyItem newPushTag() { return AssemblyItem(PushTag, m_usedTags++); }
AssemblyItem newTag() { assertThrow(m_usedTags < 0xffffffff, AssemblyException, ""); return AssemblyItem(Tag, 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.
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); }