From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/jit/Invalidation.h | 59 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 js/src/jit/Invalidation.h (limited to 'js/src/jit/Invalidation.h') diff --git a/js/src/jit/Invalidation.h b/js/src/jit/Invalidation.h new file mode 100644 index 0000000000..f0a5410967 --- /dev/null +++ b/js/src/jit/Invalidation.h @@ -0,0 +1,59 @@ +/* -*- 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_Invalidation_h +#define jit_Invalidation_h + +#include "jit/IonTypes.h" +#include "js/AllocPolicy.h" +#include "js/GCVector.h" + +namespace js { +namespace jit { + +class IonScript; + +class RecompileInfo { + JSScript* script_; + IonCompilationId id_; + + public: + RecompileInfo(JSScript* script, IonCompilationId id) + : script_(script), id_(id) {} + + JSScript* script() const { return script_; } + + IonScript* maybeIonScriptToInvalidate() const; + + bool traceWeak(JSTracer* trc); + + bool operator==(const RecompileInfo& other) const { + return script_ == other.script_ && id_ == other.id_; + } +}; + +// The RecompileInfoVector has a MinInlineCapacity of one so that invalidating a +// single IonScript doesn't require an allocation. +using RecompileInfoVector = JS::GCVector; + +// Called from Zone::discardJitCode(). +void InvalidateAll(JS::GCContext* gcx, JS::Zone* zone); +void FinishInvalidation(JS::GCContext* gcx, JSScript* script); + +// Add compilations involving |script| (outer script or inlined) to the vector. +void AddPendingInvalidation(jit::RecompileInfoVector& invalid, + JSScript* script); + +// Walk the stack and invalidate active Ion frames for the invalid scripts. +void Invalidate(JSContext* cx, const RecompileInfoVector& invalid, + bool resetUses = true, bool cancelOffThread = true); +void Invalidate(JSContext* cx, JSScript* script, bool resetUses = true, + bool cancelOffThread = true); + +} // namespace jit +} // namespace js + +#endif /* jit_Invalidation_h */ -- cgit v1.2.3