Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 12421d94ba14a8c1b79f348cc29d07bef4f99f03
https://github.com/WebKit/WebKit/commit/12421d94ba14a8c1b79f348cc29d07bef4f99f03
Author: Vassili Bykov <v_by...@apple.com>
Date: 2025-08-29 (Fri, 29 Aug 2025)
Changed paths:
M Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj
M Source/JavaScriptCore/Sources.txt
M Source/JavaScriptCore/assembler/JITOperationList.cpp
M Source/JavaScriptCore/llint/InPlaceInterpreter.asm
M Source/JavaScriptCore/runtime/VM.h
M Source/JavaScriptCore/wasm/WasmCallee.cpp
M Source/JavaScriptCore/wasm/WasmCallee.h
M Source/JavaScriptCore/wasm/WasmCalleeGroup.cpp
M Source/JavaScriptCore/wasm/js/JSWebAssemblyInstance.h
M Source/JavaScriptCore/wasm/js/WebAssemblyBuiltin.cpp
M Source/JavaScriptCore/wasm/js/WebAssemblyBuiltin.h
A Source/JavaScriptCore/wasm/js/WebAssemblyBuiltinTrampoline.cpp
A Source/JavaScriptCore/wasm/js/WebAssemblyBuiltinTrampoline.h
M Source/JavaScriptCore/wasm/js/WebAssemblyModuleRecord.cpp
Log Message:
-----------
Enable JIT cage support in Wasm JS String builtins implementation
https://bugs.webkit.org/show_bug.cgi?id=297985
rdar://159302038
Reviewed by Keith Miller.
This patch changes the behavior of WasmBuiltinCallee so that if JIT cage
is enabled, instead of using "static" builtin trampolines defined in
InPlaceInterpreter.asm, we JIT-generate their equivalents. This
ensures that the trampolines are callable from Wasm code. A Wasm builtin
entry point is registered as a JIT operation to make it accessible from
the generated trampoline.
The patch also includes refactorings in WebAssemblyBuiltin.{h, cpp} to:
- Use more appropriate types for the various code pointers held by
WebAssemblyBuiltin.
- Clean up hacky pointer tagging in initializeBuiltinImport()
in WebAssemblyModuleRecord.cpp.
- Use more descriptive names for the naming macros (the bulk of
changes in WebAssemblyBuiltin.cpp).
Canonical link: https://commits.webkit.org/299341@main
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