[Webkit-unassigned] [Bug 30782] New: The thunkReturnAddress should be on JITStackFrame on ARM JIT

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30782

           Summary: The thunkReturnAddress should be on JITStackFrame on
                    ARM JIT
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: loki at inf.u-szeged.hu


Currently the thunkReturnAddress is stored on the top of the stack on ARM JIT.
This scenario is similar to how x86 handles the return address. It works, but
for further compatibility it would be nice if the return address is stored in
JITStackFrame structure. This change is required to have a JSValue32_64 support
for ARM JIT. In additional, it helps the Symbian assembler to identify that
there is no stack alignment problem.

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