[Bug binutils/20748] New: microblaze: generates broken binaries for Linux/musl

[wbx at openadk dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20748

            Bug ID: 20748
           Summary: microblaze: generates broken binaries for Linux/musl
           Product: binutils
           Version: 2.28 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: wbx at openadk dot org
  Target Milestone: ---

While testing newer versions of binutils I found a problem creating a usable
Linux root filesystem for Qemu/microblaze using musl C library.

I bisected binutils and following commit seems to break it:
commit 4ade44b727ee77adaa9c22719935d012e253a5e6
Author: Alan Modra <address@hidden>
Date:   Fri May 13 11:48:56 2016 +0930

    Set dynamic tag VMA and size from dynamic section when possible

    Rather than searching the output for a specific named section, it's
    better, where possible, to use a linker created dynamic section to set
    a dynamic tag's value.  That way ld doesn't depend on the output
    section name, making it possibile to map dynamic sections differently.


On bootup in Qemu system I just get a kernel panic:
[    1.353879] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b

any ideas? Do you need anything to reproduce?

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