toolchain: unbreak glibc on MIPS
Binutils recently updated the ABI version to 5, which broke glibc, as it refuses to load anything > 3. Upstream reverted the ABI version update, so backport the commit. Fixes the following error on boot: /bin/sh: error while loading shared libraries: /lib/libcrypt.so.1: ELF file ABI version invalid [ 0.920077] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00 [ 0.920077] [ 0.929450] Rebooting in 1 seconds.. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
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From 4d4f40e041ce7c8c7c8e50f957e0440b64ab7e95 Mon Sep 17 00:00:00 2001
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From: "Maciej W. Rozycki" <macro@imgtec.com>
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Date: Fri, 23 Dec 2016 20:03:36 +0000
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Subject: [PATCH] MIPS/BFD: Remove EI_ABIVERSION 5 allocation for PT_GNU_STACK
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support
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Revert commit 17733f5be961 ("Increment the ABIVERSION to 5 for MIPS
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objects with non-executable stacks.") and remove EI_ABIVERSION 5
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allocation for PT_GNU_STACK support, which has not made it to glibc
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and will be reassigned.
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bfd/
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* bfd/elfxx-mips.c (_bfd_mips_post_process_headers): Revert
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2016-02-23 change and remove EI_ABIVERSION 5 support.
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---
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bfd/ChangeLog | 5 +++++
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bfd/elfxx-mips.c | 3 ---
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2 files changed, 5 insertions(+), 3 deletions(-)
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diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
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index d649676..486607c 100644
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--- a/bfd/elfxx-mips.c
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+++ b/bfd/elfxx-mips.c
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@@ -16358,9 +16358,6 @@ _bfd_mips_post_process_headers (bfd *abfd, struct bfd_link_info *link_info)
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if (mips_elf_tdata (abfd)->abiflags.fp_abi == Val_GNU_MIPS_ABI_FP_64
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|| mips_elf_tdata (abfd)->abiflags.fp_abi == Val_GNU_MIPS_ABI_FP_64A)
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i_ehdrp->e_ident[EI_ABIVERSION] = 3;
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-
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- if (elf_stack_flags (abfd) && !(elf_stack_flags (abfd) & PF_X))
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- i_ehdrp->e_ident[EI_ABIVERSION] = 5;
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}
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int
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--
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2.9.3
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