#include "config.h"
#include "WasmCallee.h"
#if ENABLE(WEBASSEMBLY)
#include "WasmCalleeRegistry.h"
#include "WasmCallingConvention.h"
namespace JSC { namespace Wasm {
Callee::Callee(Wasm::CompilationMode compilationMode)
: m_compilationMode(compilationMode)
{
CalleeRegistry::singleton().registerCallee(this);
}
Callee::Callee(Wasm::CompilationMode compilationMode, size_t index, std::pair<const Name*, RefPtr<NameSection>>&& name)
: m_compilationMode(compilationMode)
, m_indexOrName(index, WTFMove(name))
{
CalleeRegistry::singleton().registerCallee(this);
}
Callee::~Callee()
{
CalleeRegistry::singleton().unregisterCallee(this);
}
void Callee::dump(PrintStream& out) const
{
out.print(makeString(m_indexOrName));
}
JITCallee::JITCallee(Wasm::CompilationMode compilationMode, Entrypoint&& entrypoint)
: Callee(compilationMode)
, m_entrypoint(WTFMove(entrypoint))
{
}
JITCallee::JITCallee(Wasm::CompilationMode compilationMode, Entrypoint&& entrypoint, size_t index, std::pair<const Name*, RefPtr<NameSection>>&& name, Vector<UnlinkedWasmToWasmCall>&& unlinkedCalls)
: Callee(compilationMode, index, WTFMove(name))
, m_wasmToWasmCallsites(WTFMove(unlinkedCalls))
, m_entrypoint(WTFMove(entrypoint))
{
}
void LLIntCallee::setEntrypoint(MacroAssemblerCodePtr<WasmEntryPtrTag> entrypoint)
{
m_entrypoint = entrypoint;
}
MacroAssemblerCodePtr<WasmEntryPtrTag> LLIntCallee::entrypoint() const
{
return m_entrypoint;
}
RegisterAtOffsetList* LLIntCallee::calleeSaveRegisters()
{
static LazyNeverDestroyed<RegisterAtOffsetList> calleeSaveRegisters;
static std::once_flag initializeFlag;
std::call_once(initializeFlag, [] {
RegisterSet registers;
registers.set(GPRInfo::regCS0); #if CPU(X86_64)
registers.set(GPRInfo::regCS2); #elif CPU(ARM64)
registers.set(GPRInfo::regCS7); #else
#error Unsupported architecture.
#endif
ASSERT(registers.numberOfSetRegisters() == numberOfLLIntCalleeSaveRegisters);
calleeSaveRegisters.construct(WTFMove(registers));
});
return &calleeSaveRegisters.get();
}
std::tuple<void*, void*> LLIntCallee::range() const
{
return { nullptr, nullptr };
}
} }
#endif // ENABLE(WEBASSEMBLY)