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From binutils-return-76960-listarch-binutils=sources dot redhat dot com at sourceware dot org Mon Sep 03 12:05:02 2012
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Received: from bart (dyn-9-152-212-238.boeblingen.de.ibm.com [9.152.212.238]) by d06av09.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with SMTP id q83C4dDC012768 for <binutils@sourceware.org>; Mon, 3 Sep 2012 06:04:39 -0600
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Received: by bart (sSMTP sendmail emulation); Mon, 03 Sep 2012 14:04:39 +0200
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From: "Andreas Krebbel" <andreas at de dot ibm dot com>
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Date: Mon, 3 Sep 2012 14:04:39 +0200
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To: binutils at sourceware dot org
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Subject: [Committed] S/390: Handle PLTOFF for IFUNC symbols correctly
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Message-ID: <20120903120439.GA10593@bart>
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Hi,
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the s390 IFUNC support so far didn't deal correctly with PLTOFF
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relocs. Fixed with the attached patch.
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Committed.
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Bye,
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-Andreas-
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2012-09-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
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* elf32-s390.c (elf_s390_relocate_section): Handle PLTOFF for
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local and global ifunc symbols.
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* elf64-s390.c (elf_s390_relocate_section): Likewise.
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---
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bfd/elf32-s390.c | 8 ++++++--
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bfd/elf64-s390.c | 11 ++++++++---
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2 files changed, 14 insertions(+), 5 deletions(-)
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Index: binutils/bfd/elf32-s390.c
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===================================================================
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--- binutils.orig/bfd/elf32-s390.c
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+++ binutils/bfd/elf32-s390.c
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@@ -2349,6 +2349,10 @@ elf_s390_relocate_section (bfd *output_b
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switch (r_type)
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{
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+ case R_390_PLTOFF16:
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+ case R_390_PLTOFF32:
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+ relocation -= htab->elf.sgot->output_section->vma;
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+ break;
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case R_390_GOTPLT12:
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case R_390_GOTPLT16:
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case R_390_GOTPLT20:
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@@ -2625,9 +2629,9 @@ elf_s390_relocate_section (bfd *output_b
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/* For local symbols or if we didn't make a PLT entry for
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this symbol resolve the symbol directly. */
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- if ( h == NULL
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+ if (h == NULL
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|| h->plt.offset == (bfd_vma) -1
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- || htab->elf.splt == NULL)
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+ || (htab->elf.splt == NULL && !s390_is_ifunc_symbol_p (h)))
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{
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relocation -= htab->elf.sgot->output_section->vma;
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break;
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Index: binutils/bfd/elf64-s390.c
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===================================================================
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--- binutils.orig/bfd/elf64-s390.c
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+++ binutils/bfd/elf64-s390.c
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@@ -2306,6 +2306,11 @@ elf_s390_relocate_section (bfd *output_b
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switch (r_type)
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{
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+ case R_390_PLTOFF16:
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+ case R_390_PLTOFF32:
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+ case R_390_PLTOFF64:
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+ relocation -= htab->elf.sgot->output_section->vma;
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+ break;
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case R_390_GOTPLT12:
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case R_390_GOTPLT16:
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case R_390_GOTPLT20:
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@@ -2561,7 +2566,7 @@ elf_s390_relocate_section (bfd *output_b
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break;
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if (h->plt.offset == (bfd_vma) -1
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- || (htab->elf.splt == NULL && htab->elf.iplt == NULL))
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+ || (htab->elf.splt == NULL && !s390_is_ifunc_symbol_p (h)))
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{
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/* We didn't make a PLT entry for this symbol. This
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happens when statically linking PIC code, or when
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@@ -2587,9 +2592,9 @@ elf_s390_relocate_section (bfd *output_b
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/* For local symbols or if we didn't make a PLT entry for
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this symbol resolve the symbol directly. */
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- if ( h == NULL
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+ if (h == NULL
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|| h->plt.offset == (bfd_vma) -1
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- || htab->elf.splt == NULL)
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+ || (htab->elf.splt == NULL && !s390_is_ifunc_symbol_p (h)))
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{
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relocation -= htab->elf.sgot->output_section->vma;
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break;
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