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Message-ID: <20141015120211.42a4f0db@ncopa-desktop.alpinelinux.org> Date: Wed, 15 Oct 2014 12:02:11 +0200 From: Natanael Copa <ncopa@...inelinux.org> To: *** <jianzhong.huang@...oft.com.cn> Cc: musl@...ts.openwall.com Subject: Re: Webkit/JavascriptCore did not work with musl libc On Wed, 15 Oct 2014 13:58:42 +0800 *** <jianzhong.huang@...oft.com.cn> wrote: > Hi, all, > I build webkitgtk-2.4.4 and ewebkit2 under musl libc with > gcc-4.9.1(patched) and clang-3.5, the javascriptCore js engine did not > work as expected(with JIT enable or disable.) > > for webkitgtk, jsc just output "Exception:" when run any js codes. > for ewebkit2, jsc just segfault with below backtrace: > > #0 0x00000000008cf0c4 in WTFCrash () > #1 0x000000000065bb72 in WTF::PassRefPtr<JSC::ProgramNode> > JSC::parse<JSC::ProgramNode>(JSC::VM*, JSC::SourceCode const&, > JSC::FunctionParameters*, JSC::Identifier const&, > JSC::JSParserStrictness, JSC::JSParserMode, JSC::ParserError&, > JSC::JSTextPosition*, bool) () > #2 0x000000000077c6f0 in > JSC::BuiltinExecutables::createBuiltinExecutable(JSC::SourceCode const&, > JSC::Identifier const&) () > #3 0x000000000077cc73 in > JSC::BuiltinExecutables::functionPrototypeApplyCodeExecutable() () > #4 0x000000000076ee90 in > JSC::functionPrototypeApplyCodeGenerator(JSC::VM&) () > #5 0x00000000007c1a78 in > JSC::FunctionPrototype::addFunctionProperties(JSC::ExecState*, > JSC::JSGlobalObject*, JSC::JSFunction**, JSC::JSFunction**) () > #6 0x0000000000682f89 in JSC::JSGlobalObject::reset(JSC::JSValue) () > #7 0x00000000004f68c1 in JSC::JSGlobalObject::finishCreation(JSC::VM&) () > #8 0x00000000004f600c in GlobalObject::finishCreation(JSC::VM&, > WTF::Vector<WTF::String, 0ul, WTF::CrashOnOverflow> const&) () > #9 0x00000000004f01b8 in jscmain(int, char**) () > #10 0x00000000004eff5d in main () > > The JSCore codes is too complex and I even can not figure out the buggy > codes quickly. > > My environment is a customized linux with musl libc/wayland > only/gcc/clang/systemd and so on. > > can Anybody who use a musl libc based distribution try and check it? for > webkitgtk2, there is no need to build it completely, just: > configure and "make jsc" then try it. Alpine Linux, x86_64, musl-1.1.5, gcc (Alpine 4.8.3) 4.8.3 ncopa-desktop:~$ apk version webkitgtk Installed: Available: webkitgtk-2.4.5-r1 = 2.4.5-r1 ncopa-desktop:~$ jsc-3 "hello" >>> Exception: RangeError: Maximum call stack size exceeded. Maybe the thread stack needs to be increased? > > I am also working on it. > -nc
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