#pragma once
#if ENABLE(JIT)
#include "CCallHelpers.h"
#include "SnippetReg.h"
#include "SnippetSlowPathCalls.h"
namespace JSC {
class SnippetParams {
WTF_MAKE_NONCOPYABLE(SnippetParams);
public:
virtual ~SnippetParams() { }
class Value {
public:
Value(SnippetReg reg)
: m_reg(reg)
{
}
Value(SnippetReg reg, JSValue value)
: m_reg(reg)
, m_value(value)
{
}
bool isGPR() const { return m_reg.isGPR(); }
bool isFPR() const { return m_reg.isFPR(); }
bool isJSValueRegs() const { return m_reg.isJSValueRegs(); }
GPRReg gpr() const { return m_reg.gpr(); }
FPRReg fpr() const { return m_reg.fpr(); }
JSValueRegs jsValueRegs() const { return m_reg.jsValueRegs(); }
SnippetReg reg() const
{
return m_reg;
}
JSValue value() const
{
return m_value;
}
private:
SnippetReg m_reg;
JSValue m_value;
};
unsigned size() const { return m_regs.size(); }
const Value& at(unsigned index) const { return m_regs[index]; }
const Value& operator[](unsigned index) const { return at(index); }
GPRReg gpScratch(unsigned index) const { return m_gpScratch[index]; }
FPRReg fpScratch(unsigned index) const { return m_fpScratch[index]; }
SnippetParams(VM& vm, Vector<Value>&& regs, Vector<GPRReg>&& gpScratch, Vector<FPRReg>&& fpScratch)
: m_vm(vm)
, m_regs(WTFMove(regs))
, m_gpScratch(WTFMove(gpScratch))
, m_fpScratch(WTFMove(fpScratch))
{
}
VM& vm() { return m_vm; }
template<typename FunctionType, typename ResultType, typename... Arguments>
void addSlowPathCall(CCallHelpers::JumpList from, CCallHelpers& jit, FunctionType function, ResultType result, Arguments... arguments)
{
addSlowPathCallImpl(from, jit, function, result, std::make_tuple(arguments...));
}
private:
#define JSC_DEFINE_CALL_OPERATIONS(OperationType, ResultType, ...) JS_EXPORT_PRIVATE virtual void addSlowPathCallImpl(CCallHelpers::JumpList, CCallHelpers&, OperationType, ResultType, std::tuple<__VA_ARGS__> args) = 0;
SNIPPET_SLOW_PATH_CALLS(JSC_DEFINE_CALL_OPERATIONS)
#undef JSC_DEFINE_CALL_OPERATIONS
VM& m_vm;
Vector<Value> m_regs;
Vector<GPRReg> m_gpScratch;
Vector<FPRReg> m_fpScratch;
};
}
#endif