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