[llvm-bugs] [Bug 46622] New: [X86] Support -mstack-protector-guard=global

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46622

            Bug ID: 46622
           Summary: [X86] Support -mstack-protector-guard=global
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: craig.topper at gmail.com
                CC: craig.topper at gmail.com, llvm-bugs at lists.llvm.org,
                    llvm-dev at redking.me.uk, spatel+llvm at rotateright.com

By default the stack protector on X86 on LInux uses a canary from Thread Local
Storage. But this isn't suitable for all environments. gcc supports
-mstack-protector-guard=global to use __stack_chk_guard variable instead.

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