aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--cmake/EthCompilerSettings.cmake2
-rw-r--r--libevmasm/Assembly.cpp2
-rw-r--r--libevmasm/AssemblyItem.cpp8
-rw-r--r--libevmasm/AssemblyItem.h46
-rw-r--r--libevmasm/ExpressionClasses.cpp23
5 files changed, 59 insertions, 22 deletions
diff --git a/cmake/EthCompilerSettings.cmake b/cmake/EthCompilerSettings.cmake
index c734423b..65742dfb 100644
--- a/cmake/EthCompilerSettings.cmake
+++ b/cmake/EthCompilerSettings.cmake
@@ -71,7 +71,7 @@ if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MA
add_compile_options(-fPIC)
# Configuration-specific compiler settings.
- set(CMAKE_CXX_FLAGS_DEBUG "-Og -g -DETH_DEBUG")
+ set(CMAKE_CXX_FLAGS_DEBUG " -g -DETH_DEBUG")
set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
diff --git a/libevmasm/Assembly.cpp b/libevmasm/Assembly.cpp
index f50a38a6..845abfd4 100644
--- a/libevmasm/Assembly.cpp
+++ b/libevmasm/Assembly.cpp
@@ -416,7 +416,7 @@ LinkerObject const& Assembly::assemble() const
switch (i.type())
{
case Operation:
- ret.bytecode.push_back((byte)i.data());
+ ret.bytecode.push_back((byte)i.instruction());
break;
case PushString:
{
diff --git a/libevmasm/AssemblyItem.cpp b/libevmasm/AssemblyItem.cpp
index b790e094..6c7d5425 100644
--- a/libevmasm/AssemblyItem.cpp
+++ b/libevmasm/AssemblyItem.cpp
@@ -29,19 +29,19 @@ using namespace dev::eth;
AssemblyItem AssemblyItem::toSubAssemblyTag(size_t _subId) const
{
- assertThrow(m_data < (u256(1) << 64), Exception, "Tag already has subassembly set.");
+ assertThrow(data() < (u256(1) << 64), Exception, "Tag already has subassembly set.");
assertThrow(m_type == PushTag || m_type == Tag, Exception, "");
AssemblyItem r = *this;
r.m_type = PushTag;
- r.setPushTagSubIdAndTag(_subId, size_t(m_data));
+ r.setPushTagSubIdAndTag(_subId, size_t(data()));
return r;
}
pair<size_t, size_t> AssemblyItem::splitForeignPushTag() const
{
assertThrow(m_type == PushTag || m_type == Tag, Exception, "");
- return make_pair(size_t(m_data / (u256(1) << 64)) - 1, size_t(m_data));
+ return make_pair(size_t((data()) / (u256(1) << 64)) - 1, size_t(data()));
}
void AssemblyItem::setPushTagSubIdAndTag(size_t _subId, size_t _tag)
@@ -60,7 +60,7 @@ unsigned AssemblyItem::bytesRequired(unsigned _addressLength) const
case PushString:
return 33;
case Push:
- return 1 + max<unsigned>(1, dev::bytesRequired(m_data));
+ return 1 + max<unsigned>(1, dev::bytesRequired(data()));
case PushSubSize:
case PushProgramSize:
return 4; // worst case: a 16MB program
diff --git a/libevmasm/AssemblyItem.h b/libevmasm/AssemblyItem.h
index cddfb17c..7fcaa145 100644
--- a/libevmasm/AssemblyItem.h
+++ b/libevmasm/AssemblyItem.h
@@ -59,16 +59,22 @@ public:
AssemblyItem(u256 _push, SourceLocation const& _location = SourceLocation()):
AssemblyItem(Push, _push, _location) { }
AssemblyItem(solidity::Instruction _i, SourceLocation const& _location = SourceLocation()):
- AssemblyItem(Operation, byte(_i), _location) { }
+ m_type(Operation),
+ m_instruction(_i),
+ m_location(_location)
+ {}
AssemblyItem(AssemblyItemType _type, u256 _data = 0, SourceLocation const& _location = SourceLocation()):
m_type(_type),
- m_data(_data),
m_location(_location)
{
+ if (m_type == Operation)
+ m_instruction = Instruction(byte(_data));
+ else
+ m_data = std::make_shared<u256>(_data);
}
- AssemblyItem tag() const { assertThrow(m_type == PushTag || m_type == Tag, Exception, ""); return AssemblyItem(Tag, m_data); }
- AssemblyItem pushTag() const { assertThrow(m_type == PushTag || m_type == Tag, Exception, ""); return AssemblyItem(PushTag, m_data); }
+ AssemblyItem tag() const { assertThrow(m_type == PushTag || m_type == Tag, Exception, ""); return AssemblyItem(Tag, data()); }
+ AssemblyItem pushTag() const { assertThrow(m_type == PushTag || m_type == Tag, Exception, ""); return AssemblyItem(PushTag, data()); }
/// Converts the tag to a subassembly tag. This has to be called in order to move a tag across assemblies.
/// @param _subId the identifier of the subassembly the tag is taken from.
AssemblyItem toSubAssemblyTag(size_t _subId) const;
@@ -79,18 +85,34 @@ public:
void setPushTagSubIdAndTag(size_t _subId, size_t _tag);
AssemblyItemType type() const { return m_type; }
- u256 const& data() const { return m_data; }
- void setType(AssemblyItemType const _type) { m_type = _type; }
- void setData(u256 const& _data) { m_data = _data; }
+ u256 const& data() const { assertThrow(m_type != Operation, Exception, ""); return *m_data; }
+ //void setType(AssemblyItemType const _type) { m_type = _type; }
+ void setData(u256 const& _data) { assertThrow(m_type != Operation, Exception, ""); m_data = std::make_shared<u256>(_data); }
/// @returns the instruction of this item (only valid if type() == Operation)
- Instruction instruction() const { return Instruction(byte(m_data)); }
+ Instruction instruction() const { assertThrow(m_type == Operation, Exception, ""); return m_instruction; }
/// @returns true if the type and data of the items are equal.
- bool operator==(AssemblyItem const& _other) const { return m_type == _other.m_type && m_data == _other.m_data; }
+ bool operator==(AssemblyItem const& _other) const
+ {
+ if (type() != _other.type())
+ return false;
+ if (type() == Operation)
+ return instruction() == _other.instruction();
+ else
+ return data() == _other.data();
+ }
bool operator!=(AssemblyItem const& _other) const { return !operator==(_other); }
/// Less-than operator compatible with operator==.
- bool operator<(AssemblyItem const& _other) const { return std::tie(m_type, m_data) < std::tie(_other.m_type, _other.m_data); }
+ bool operator<(AssemblyItem const& _other) const
+ {
+ if (type() != _other.type())
+ return type() < _other.type();
+ else if (type() == Operation)
+ return instruction() < _other.instruction();
+ else
+ return data() < _other.data();
+ }
/// @returns an upper bound for the number of bytes required by this item, assuming that
/// the value of a jump tag takes @a _addressLength bytes.
@@ -100,7 +122,6 @@ public:
/// @returns true if the assembly item can be used in a functional context.
bool canBeFunctional() const;
- bool match(AssemblyItem const& _i) const { return _i.m_type == UndefinedItem || (m_type == _i.m_type && (m_type != Operation || m_data == _i.m_data)); }
void setLocation(SourceLocation const& _location) { m_location = _location; }
SourceLocation const& location() const { return m_location; }
@@ -115,7 +136,8 @@ public:
private:
AssemblyItemType m_type;
- u256 m_data;
+ Instruction m_instruction; ///< Only valid if m_type == Operation
+ std::shared_ptr<u256> m_data; ///< Only valid if m_type != Operation
SourceLocation m_location;
JumpType m_jumpType = JumpType::Ordinary;
/// Pushed value for operations with data to be determined during assembly stage,
diff --git a/libevmasm/ExpressionClasses.cpp b/libevmasm/ExpressionClasses.cpp
index d5ccd7e3..b903ae04 100644
--- a/libevmasm/ExpressionClasses.cpp
+++ b/libevmasm/ExpressionClasses.cpp
@@ -40,8 +40,18 @@ bool ExpressionClasses::Expression::operator<(ExpressionClasses::Expression cons
assertThrow(!!item && !!_other.item, OptimizerException, "");
auto type = item->type();
auto otherType = _other.item->type();
- return std::tie(type, item->data(), arguments, sequenceNumber) <
- std::tie(otherType, _other.item->data(), _other.arguments, _other.sequenceNumber);
+ if (type != otherType)
+ return type < otherType;
+ else if (type == Operation)
+ {
+ auto instr = item->instruction();
+ auto otherInstr = _other.item->instruction();
+ return std::tie(instr, arguments, sequenceNumber) <
+ std::tie(otherInstr, _other.arguments, _other.sequenceNumber);
+ }
+ else
+ return std::tie(item->data(), arguments, sequenceNumber) <
+ std::tie(_other.item->data(), _other.arguments, _other.sequenceNumber);
}
ExpressionClasses::Id ExpressionClasses::find(
@@ -479,8 +489,13 @@ bool Pattern::matchesBaseItem(AssemblyItem const* _item) const
return false;
if (m_type != _item->type())
return false;
- if (m_requireDataMatch && m_data != _item->data())
- return false;
+ if (m_requireDataMatch)
+ {
+ if (m_type == Operation)
+ return m_data == u256(byte(_item->instruction()));
+ else
+ return m_data == _item->data();
+ }
return true;
}