[Bug ld/27597] nios: assertion fail in nios2_elf32_install_imm16

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27597

--- Comment #3 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=900c0f0aa3d78cd9e67ccd26fbc86224cef4c5b1

commit 900c0f0aa3d78cd9e67ccd26fbc86224cef4c5b1
Author: Alan Modra <amodra@gmail.com>
Date:   Fri Feb 16 22:33:29 2024 +1030

    PR27597, nios: assertion fail in nios2_elf32_install_imm16

    The assertion in nios2_elf32_install_imm16 triggers when the PLT is
    twice the maximum allowable size for a branch from PLTn to reach
    .PLTresolve, and on no other call to nios2_elf32_install_imm16.  That
    makes the assertion completely useless.  We can handle a PIC PLT
    exceeding 0x8000 in size by bouncing branches that won't reach through
    previous branches.

            PR 27597
            * elf32-nios2.c (nios2_elf32_install_imm16): Delete BFD_ASSERT.
            (nios2_build_one_stub): Don't bother masking value passed to
            nios2_elf32_install_imm16.
            (nios2_elf32_finish_dynamic_symbol): Likewise.  Handle overflow
            of PLTn branch to .PLTresolve by bouncing through prior branches.

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