[llvm-bugs] [Bug 38774] New: Support common-page-size=value keyword

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Aug 30 06:30:51 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=38774

            Bug ID: 38774
           Summary: Support common-page-size=value keyword
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: dima at golovin.in
                CC: llvm-bugs at lists.llvm.org

Linux kernel's vdso64.so is compiled with "-Wl,-z,common-page-size=4096" which
is not supported by LLD and leads to linker error:

    ld.lld: error: unknown -z value: common-page-size=4096

"common-page-size=value" is not a recognized keyword for LLD, but it is for GNU
ld. GNU ld manpage describes this keyword as the following:

    common-page-size=value 
    Set the emulation common page size to value.

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