[Webkit-unassigned] [Bug 116888] New: fourthTier: JSC Should use the C Stack for JIT code

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=116888

           Summary: fourthTier: JSC Should use the C Stack for JIT code
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: ASSIGNED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: msaboff at apple.com


Currently the llint, and the baseline and DFG JITs use a separate call stack.  That stack also grows up, opposite to the C call stack.  To use LLVM, we need to migrate to use the C stack.  Since we OSR exit across JIT's and llint, all execution engines need to use the common C stack.

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