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[binutils-gdb/binutils-2_27-branch] MIPS/BFD: Remove EI_ABIVERSION 5 allocation for PT_GNU_STACK support


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=fb646a8cbcec77c2d9e603fea56dfb1dd6e7b772

commit fb646a8cbcec77c2d9e603fea56dfb1dd6e7b772
Author: Maciej W. Rozycki <macro@imgtec.com>
Date:   Fri Dec 23 20:03:36 2016 +0000

    MIPS/BFD: Remove EI_ABIVERSION 5 allocation for PT_GNU_STACK support
    
    Revert commit 17733f5be961 ("Increment the ABIVERSION to 5 for MIPS
    objects with non-executable stacks.") and remove EI_ABIVERSION 5
    allocation for PT_GNU_STACK support, which has not made it to glibc
    and will be reassigned.
    
    	bfd/
    	* bfd/elfxx-mips.c (_bfd_mips_post_process_headers): Revert
    	2016-02-23 change and remove EI_ABIVERSION 5 support.
    
    (cherry picked from commit 4d4f40e041ce7c8c7c8e50f957e0440b64ab7e95)

Diff:
---
 bfd/ChangeLog    | 5 +++++
 bfd/elfxx-mips.c | 3 ---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index d8b13c8..dd1ffdd 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-23  Maciej W. Rozycki  <macro@imgtec.com>
+
+	* bfd/elfxx-mips.c (_bfd_mips_post_process_headers): Revert
+	2016-02-23 change and remove EI_ABIVERSION 5 support.
+
 2016-11-30  Alan Modra  <amodra@gmail.com>
 
 	PR ld/20886
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index e47276b..80e171d 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -16187,9 +16187,6 @@ _bfd_mips_post_process_headers (bfd *abfd, struct bfd_link_info *link_info)
   if (mips_elf_tdata (abfd)->abiflags.fp_abi == Val_GNU_MIPS_ABI_FP_64
       || mips_elf_tdata (abfd)->abiflags.fp_abi == Val_GNU_MIPS_ABI_FP_64A)
     i_ehdrp->e_ident[EI_ABIVERSION] = 3;
-
-  if (elf_stack_flags (abfd) && !(elf_stack_flags (abfd) & PF_X))
-    i_ehdrp->e_ident[EI_ABIVERSION] = 5;
 }
 
 int


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