mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-15 05:20:08 +00:00
92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
/*
|
|
* Copyright (C) 2019 Apple Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
|
|
#include "config.h"
|
|
#include "WasmFunctionCodeBlock.h"
|
|
|
|
#if ENABLE(WEBASSEMBLY)
|
|
|
|
#include "InstructionStream.h"
|
|
|
|
namespace JSC { namespace Wasm {
|
|
|
|
void FunctionCodeBlock::setInstructions(std::unique_ptr<InstructionStream> instructions)
|
|
{
|
|
m_instructions = WTFMove(instructions);
|
|
m_instructionsRawPointer = m_instructions->rawPointer();
|
|
}
|
|
|
|
void FunctionCodeBlock::addOutOfLineJumpTarget(InstructionStream::Offset bytecodeOffset, int target)
|
|
{
|
|
RELEASE_ASSERT(target);
|
|
m_outOfLineJumpTargets.set(bytecodeOffset, target);
|
|
}
|
|
|
|
InstructionStream::Offset FunctionCodeBlock::outOfLineJumpOffset(InstructionStream::Offset bytecodeOffset)
|
|
{
|
|
ASSERT(m_outOfLineJumpTargets.contains(bytecodeOffset));
|
|
return m_outOfLineJumpTargets.get(bytecodeOffset);
|
|
}
|
|
|
|
const Instruction* FunctionCodeBlock::outOfLineJumpTarget(const Instruction* pc)
|
|
{
|
|
int offset = bytecodeOffset(pc);
|
|
int target = outOfLineJumpOffset(offset);
|
|
return m_instructions->at(offset + target).ptr();
|
|
}
|
|
|
|
unsigned FunctionCodeBlock::addSignature(const Signature& signature)
|
|
{
|
|
unsigned index = m_signatures.size();
|
|
m_signatures.append(&signature);
|
|
return index;
|
|
}
|
|
|
|
const Signature& FunctionCodeBlock::signature(unsigned index) const
|
|
{
|
|
return *m_signatures[index];
|
|
}
|
|
|
|
auto FunctionCodeBlock::addJumpTable(size_t numberOfEntries) -> JumpTable&
|
|
{
|
|
m_jumpTables.append(JumpTable(numberOfEntries));
|
|
return m_jumpTables.last();
|
|
}
|
|
|
|
auto FunctionCodeBlock::jumpTable(unsigned tableIndex) const -> const JumpTable&
|
|
{
|
|
return m_jumpTables[tableIndex];
|
|
}
|
|
|
|
unsigned FunctionCodeBlock::numberOfJumpTables() const
|
|
{
|
|
return m_jumpTables.size();
|
|
}
|
|
|
|
} } // namespace JSC::Wasm
|
|
|
|
#endif // ENABLE(WEBASSEMBLY)
|