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authorchriseth <chris@ethereum.org>2018-11-13 17:53:40 +0800
committerLeonardo Alt <leo@ethereum.org>2018-11-26 18:02:58 +0800
commit0e08fb7469dc376ff3ffced654446ef19eefbe9b (patch)
tree2573831ba325642d1259536d117317eaad24d59f /libsolidity/codegen
parent96333f303373e073ef58a676983ed368fcd4b9f4 (diff)
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Use "in" tag for jumps from unpacker to function.
Diffstat (limited to 'libsolidity/codegen')
-rw-r--r--libsolidity/codegen/CompilerContext.h5
-rw-r--r--libsolidity/codegen/ContractCompiler.cpp5
2 files changed, 8 insertions, 2 deletions
diff --git a/libsolidity/codegen/CompilerContext.h b/libsolidity/codegen/CompilerContext.h
index 63365175..02369813 100644
--- a/libsolidity/codegen/CompilerContext.h
+++ b/libsolidity/codegen/CompilerContext.h
@@ -167,7 +167,10 @@ public:
/// the data.
CompilerContext& appendConditionalRevert(bool _forwardReturnData = false);
/// Appends a JUMP to a specific tag
- CompilerContext& appendJumpTo(eth::AssemblyItem const& _tag) { m_asm->appendJump(_tag); return *this; }
+ CompilerContext& appendJumpTo(
+ eth::AssemblyItem const& _tag,
+ eth::AssemblyItem::JumpType _jumpType = eth::AssemblyItem::JumpType::Ordinary
+ ) { *m_asm << _tag.pushTag(); return appendJump(_jumpType); }
/// Appends pushing of a new tag and @returns the new tag.
eth::AssemblyItem pushNewTag() { return m_asm->append(m_asm->newPushTag()).tag(); }
/// @returns a new tag without pushing any opcodes or data
diff --git a/libsolidity/codegen/ContractCompiler.cpp b/libsolidity/codegen/ContractCompiler.cpp
index 157d5fa7..aabdbb79 100644
--- a/libsolidity/codegen/ContractCompiler.cpp
+++ b/libsolidity/codegen/ContractCompiler.cpp
@@ -344,7 +344,10 @@ void ContractCompiler::appendFunctionSelector(ContractDefinition const& _contrac
m_context << Instruction::DUP1 << Instruction::CALLDATASIZE << Instruction::SUB;
CompilerUtils(m_context).abiDecode(functionType->parameterTypes());
}
- m_context.appendJumpTo(m_context.functionEntryLabel(functionType->declaration()));
+ m_context.appendJumpTo(
+ m_context.functionEntryLabel(functionType->declaration()),
+ eth::AssemblyItem::JumpType::IntoFunction
+ );
m_context << returnTag;
// Return tag and input parameters get consumed.
m_context.adjustStackOffset(