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[bun:ffi] Improve ptr() performance and implement code generation for DOMJIT

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This commit is contained in:
Jarred Sumner
2022-08-15 01:48:31 -07:00
parent 382be2cb46
commit 6a65631cbd
20 changed files with 731 additions and 323 deletions
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60
src/bun.js/bindings/ZigGeneratedCode.cpp Normal file
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#include "root.h"
#include <JavaScriptCore/DOMJITAbstractHeap.h>
#include "DOMJITIDLConvert.h"
#include "DOMJITIDLType.h"
#include "DOMJITIDLTypeFilter.h"
#include "DOMJITHelpers.h"
#include <JavaScriptCore/DFGAbstractHeap.h>
#include "JSDOMConvertBufferSource.h"
using namespace JSC;
using namespace WebCore;
/* -- BEGIN DOMCall DEFINITIONS -- */
extern "C" JSC_DECLARE_HOST_FUNCTION(FFI__ptr__slowpathWrapper);
extern "C" JSC_DECLARE_JIT_OPERATION_WITHOUT_WTF_INTERNAL(FFI__ptr__fastpathWrapper, EncodedJSValue, (JSC::JSGlobalObject * lexicalGlobalObject, void* thisValue, JSC::JSUint8Array*));
JSC_DEFINE_JIT_OPERATION(FFI__ptr__fastpathWrapper, EncodedJSValue, (JSC::JSGlobalObject * lexicalGlobalObject, void* thisValue, JSC::JSUint8Array* arg1))
{
VM& vm = JSC::getVM(lexicalGlobalObject);
IGNORE_WARNINGS_BEGIN("frame-address")
CallFrame* callFrame = DECLARE_CALL_FRAME(vm);
IGNORE_WARNINGS_END
JSC::JITOperationPrologueCallFrameTracer tracer(vm, callFrame);
return FFI__ptr__fastpath(lexicalGlobalObject, thisValue, arg1);
}
JSC_DEFINE_HOST_FUNCTION(FFI__ptr__slowpathWrapper, (JSC::JSGlobalObject * globalObject, JSC::CallFrame* frame))
{
return FFI__ptr__slowpath(globalObject, JSValue::encode(frame->thisValue()), reinterpret_cast<JSC::EncodedJSValue*>(frame->addressOfArgumentsStart()), frame->argumentCount());
}
constexpr JSC::DFG::AbstractHeapKind encodeIntoRead[4] = { JSC::DFG::Absolute, JSC::DFG::MiscFields, JSC::DFG::TypedArrayProperties };
constexpr JSC::DFG::AbstractHeapKind encodeIntoWrite[4] = { JSC::DFG::Absolute, JSC::DFG::TypedArrayProperties };
extern "C" void FFI__ptr__put(JSC::JSGlobalObject* globalObject, JSC::EncodedJSValue value)
{
JSC::JSObject* thisObject = JSC::jsCast<JSC::JSObject*>(JSC::JSValue::decode(value));
static const JSC::DOMJIT::Signature DOMJIT_ptr_signature(
FFI__ptr__fastpathWrapper,
thisObject->classInfo(),
JSC::DOMJIT::Effect::forReadWriteKinds(encodeIntoRead, encodeIntoWrite),
JSC::SpecNonIntAsDouble,
JSC::SpecUint8Array);
JSFunction* function = JSFunction::create(
globalObject->vm(),
globalObject,
1,
String("ptr"_s),
FFI__ptr__slowpathWrapper, ImplementationVisibility::Public, NoIntrinsic, FFI__ptr__slowpathWrapper,
&DOMJIT_ptr_signature);
thisObject->putDirect(
globalObject->vm(),
Identifier::fromString(globalObject->vm(), "ptr"_s),
function,
JSC::PropertyAttribute::Function | JSC::PropertyAttribute::DOMJITFunction | 0);
}
/* -- END DOMCall DEFINITIONS-- */