[Webkit-unassigned] [Bug 123891] New: [arm] prepareExecutableCopy should not do direct branches

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=123891

           Summary: [arm] prepareExecutableCopy should not do direct
                    branches
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jbriance at cisco.com


In CPU(ARM_TRADITIONAL) backend, current implementation of ARMAssembler::prepareExecutableCopy allows to do direct branches if jump offset is short enough.
This must be removed to allow these jumps to be relinked through ARMAssembler::relinkJump.

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