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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit/IonCacheIRCompiler.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit/IonCacheIRCompiler.h')
-rw-r--r--js/src/jit/IonCacheIRCompiler.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/js/src/jit/IonCacheIRCompiler.h b/js/src/jit/IonCacheIRCompiler.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_IonCacheIRCompiler_h
+#define jit_IonCacheIRCompiler_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/Maybe.h"
+
+#include <stdint.h>
+
+#include "jstypes.h"
+
+#include "jit/CacheIR.h"
+#include "jit/CacheIRCompiler.h"
+#include "jit/CacheIROpsGenerated.h"
+#include "jit/CacheIRReader.h"
+#include "jit/Registers.h"
+#include "jit/RegisterSets.h"
+#include "js/Vector.h"
+
+struct JS_PUBLIC_API JSContext;
+
+namespace js {
+namespace jit {
+
+class CacheIRWriter;
+class CodeOffset;
+class IonIC;
+class IonICStub;
+class IonScript;
+class JitCode;
+class MacroAssembler;
+
+// IonCacheIRCompiler compiles CacheIR to IonIC native code.
+class MOZ_RAII IonCacheIRCompiler : public CacheIRCompiler {
+ public:
+ friend class AutoSaveLiveRegisters;
+ friend class AutoCallVM;
+
+ IonCacheIRCompiler(JSContext* cx, TempAllocator& alloc,
+ const CacheIRWriter& writer, IonIC* ic,
+ IonScript* ionScript, uint32_t stubDataOffset);
+
+ [[nodiscard]] bool init();
+ JitCode* compile(IonICStub* stub);
+
+#ifdef DEBUG
+ void assertFloatRegisterAvailable(FloatRegister reg);
+#endif
+
+ IonICPerfSpewer& perfSpewer() { return perfSpewer_; }
+ uint8_t localTracingSlots() const { return localTracingSlots_; }
+
+ private:
+ const CacheIRWriter& writer_;
+ IonIC* ic_;
+ IonScript* ionScript_;
+
+ Vector<CodeOffset, 4, SystemAllocPolicy> nextCodeOffsets_;
+ mozilla::Maybe<LiveRegisterSet> liveRegs_;
+ mozilla::Maybe<CodeOffset> stubJitCodeOffset_;
+
+ bool savedLiveRegs_;
+ uint8_t localTracingSlots_;
+
+ IonICPerfSpewer perfSpewer_;
+
+ template <typename T>
+ T rawPointerStubField(uint32_t offset);
+
+ template <typename T>
+ T rawInt64StubField(uint32_t offset);
+
+ void enterStubFrame(MacroAssembler& masm, const AutoSaveLiveRegisters&);
+ void storeTracedValue(MacroAssembler& masm, ValueOperand value);
+ void loadTracedValue(MacroAssembler& masm, uint8_t slotIndex,
+ ValueOperand value);
+
+ template <typename Fn, Fn fn>
+ void callVM(MacroAssembler& masm);
+
+ [[nodiscard]] bool emitAddAndStoreSlotShared(
+ CacheOp op, ObjOperandId objId, uint32_t offsetOffset, ValOperandId rhsId,
+ uint32_t newShapeOffset, mozilla::Maybe<uint32_t> numNewSlotsOffset);
+
+ template <typename IdType>
+ [[nodiscard]] bool emitCallScriptedProxyGetShared(ValOperandId targetId,
+ ObjOperandId receiverId,
+ ObjOperandId handlerId,
+ uint32_t trapOffset,
+ IdType id);
+
+ void pushStubCodePointer();
+
+ CACHE_IR_COMPILER_UNSHARED_GENERATED
+};
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_IonCacheIRCompiler_h */