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Add another argument to setimmutable and the AssignImmutable opcode, allowing to modify code at any memory offset.

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This commit is contained in:
Daniel Kirchner
2020-10-15 18:14:41 +02:00
parent 00fb152316
commit 0dca223b45
12 changed files with 58 additions and 32 deletions
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libsolidity/codegen/ContractCompiler.cpp
+3
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@@ -203,7 +203,10 @@ size_t ContractCompiler::packIntoContractCreator(ContractDefinition const& _cont
{
auto slotNames = m_context.immutableVariableSlotNames(*immutable);
for (auto&& slotName: slotNames | boost::adaptors::reversed)
{
m_context << u256(0);
m_context.appendImmutableAssignment(slotName);
}
}
if (!immutables.empty())
m_context.pushSubroutineSize(m_context.runtimeSub());
libsolidity/codegen/ir/IRGenerator.cpp
+1 -1
View File
@@ -558,7 +558,7 @@ string IRGenerator::deployCode(ContractDefinition const& _contract)
codecopy(0, dataoffset("<object>"), datasize("<object>"))
<#storeImmutables>
setimmutable("<immutableName>", <var>)
setimmutable(0, "<immutableName>", <var>)
</storeImmutables>
return(0, datasize("<object>"))