[Bug ld/22909] New: Expand --warn-shared-textrel support to all executables, not only PIC objects

[slyfox at inbox dot ru]

https://sourceware.org/bugzilla/show_bug.cgi?id=22909

            Bug ID: 22909
           Summary: Expand --warn-shared-textrel support to all
                    executables, not only PIC objects
           Product: binutils
           Version: 2.30
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: slyfox at inbox dot ru
  Target Milestone: ---

Gentoo enables --warn-shared-textrel by default for and extends warning to all
dynamic executables (PIE or not):
   
https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo/src/patchsets/binutils/2.17/66_all_binutils-2.17.50.0.2-warn-textrel.patch?revision=1.1&view=markup

What do you think of extending this option (or adding new one) to cover
executables in upstream binutils?

    Something like --warn-textrel.

Lack of TEXTREL warning came up recently in gcc where gcc was built with
TEXTRELs due to a platform-specific gcc bug:
    https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84553

The warning would be complementary to '-Wl,-z,-text' which converts problems of
this kind to errors.

Related bug: https://sourceware.org/bugzilla/show_bug.cgi?id=20824 : "enable
warn-shared-textrel by default".

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