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PATCH: Add sysdeps/i386/get-pc-thunk.S

From: "H.J. Lu" <hongjiu dot lu at intel dot com>
To: GNU C Library <libc-alpha at sourceware dot org>
Date: Tue, 17 Aug 2010 10:33:31 -0700
Subject: PATCH: Add sysdeps/i386/get-pc-thunk.S
Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Hi,

We are working on optimizing __i686.get_pc_thunk.XX for Atom, which needs 
NOP paddings.  We will update gcc to generate NOP paddings with
-mtune=atom.  We also need a way to override __i686.get_pc_thunk.XX in
assembly codes.  This patch adds sysdeps/i386/get-pc-thunk.S so that
we can add an alternate get-pc-thunk.S for Atom.


H.J.
---
2010-08-17  H.J. Lu  <hongjiu.lu@intel.com>

	* sysdeps/i386/get-pc-thunk.S: New.

	* sysdeps/i386/Makefile (sysdep_routines): Add get-pc-thunk.

	* sysdeps/i386/i686/memcmp.S: Remove __i686.get_pc_thunk.XX
	* sysdeps/i386/i686/multiarch/bcopy.S: Likewise.
	* sysdeps/i386/i686/multiarch/bzero.S: Likewise.
	* sysdeps/i386/i686/multiarch/memcmp-sse4.S: Likewise.
	* sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: Likewise.
	* sysdeps/i386/i686/multiarch/memcpy-ssse3.S: Likewise.
	* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
	* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
	* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
	* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
	* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
	* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
	* sysdeps/i386/i686/multiarch/memset-sse2-rep.S: Likewise.
	* sysdeps/i386/i686/multiarch/memset-sse2.S: Likewise.
	* sysdeps/i386/i686/multiarch/memset.S: Likewise.
	* sysdeps/i386/i686/multiarch/memset_chk.S: Likewise.
	* sysdeps/i386/i686/multiarch/strcmp.S: Likewise.
	* sysdeps/i386/i686/multiarch/strcspn.S: Likewise.
	* sysdeps/i386/i686/multiarch/strlen.S: Likewise.

nptl/

2010-08-13  H.J. Lu  <hongjiu.lu@intel.com>

	* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Remove
	__i686.get_pc_thunk.XX.
	* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/pthread_once.S: Likewise.

diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
index 53970d7..01a926d 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
@@ -569,17 +569,6 @@ __condvar_w_cleanup:
 	.uleb128  0
 .Lcstend:
 
-#ifdef PIC
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.cx
-	.hidden	__i686.get_pc_thunk.cx
-	.type	__i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
-	movl (%esp), %ecx;
-	ret
-	.size	__i686.get_pc_thunk.cx,.-__i686.get_pc_thunk.cx
-#endif
-
 #ifdef SHARED
 	.hidden DW.ref.__gcc_personality_v0
 	.weak   DW.ref.__gcc_personality_v0
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
index 86992c8..fa0c0f2 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
@@ -159,15 +159,3 @@ __old_sem_post:
 	.size	__old_sem_post,.-__old_sem_post
 	compat_symbol(libpthread, __old_sem_post, sem_post, GLIBC_2_0)
 #endif
-
-
-#ifdef PIC
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl (%esp), %ebx;
-	ret
-	.size	__i686.get_pc_thunk.bx,.-__i686.get_pc_thunk.bx
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
index 2d49934..151b751 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
@@ -71,15 +71,3 @@ __new_sem_trywait:
 __old_sem_trywait = __new_sem_trywait
 	compat_symbol(libpthread, __old_sem_trywait, sem_trywait, GLIBC_2_0)
 #endif
-
-
-#ifdef PIC
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.cx
-	.hidden	__i686.get_pc_thunk.cx
-	.type	__i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
-	movl (%esp), %ecx;
-	ret
-	.size	__i686.get_pc_thunk.cx,.-__i686.get_pc_thunk.cx
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S b/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S
index f31d968..5d20480 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S
@@ -181,15 +181,3 @@ __pthread_once_internal = __pthread_once
 
 	.globl	pthread_once
 pthread_once = __pthread_once
-
-
-#ifdef PIC
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.cx
-	.hidden	__i686.get_pc_thunk.cx
-	.type	__i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
-	movl (%esp), %ecx;
-	ret
-	.size	__i686.get_pc_thunk.cx,.-__i686.get_pc_thunk.cx
-#endif
diff --git a/sysdeps/i386/Makefile b/sysdeps/i386/Makefile
index ef45ce6..f81a8f7 100644
--- a/sysdeps/i386/Makefile
+++ b/sysdeps/i386/Makefile
@@ -74,4 +75,5 @@ endif
 
 ifeq ($(subdir),csu)
 gen-as-const-headers += tlsdesc.sym
+sysdep_routines += get-pc-thunk
 endif
diff --git a/sysdeps/i386/get-pc-thunk.S b/sysdeps/i386/get-pc-thunk.S
new file mode 100644
index 0000000..f627c3a
--- /dev/null
+++ b/sysdeps/i386/get-pc-thunk.S
@@ -0,0 +1,40 @@
+/* Get PC thunks for i386.
+   Copyright (C) 2010
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifdef PIC
+	.section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
+	.globl	__i686.get_pc_thunk.bx
+	.hidden	__i686.get_pc_thunk.bx
+	.p2align 4
+	.type	__i686.get_pc_thunk.bx,@function
+__i686.get_pc_thunk.bx:
+	movl	(%esp), %ebx
+	ret
+
+	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
+	.globl	__i686.get_pc_thunk.cx
+	.hidden	__i686.get_pc_thunk.cx
+	.type	__i686.get_pc_thunk.cx,@function
+	.p2align 4
+__i686.get_pc_thunk.cx:
+	movl (%esp), %ecx
+	ret
+	.size	__i686.get_pc_thunk.cx,.-__i686.get_pc_thunk.cx
+#endif
diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S
index 24f6804..d8e5425 100644
--- a/sysdeps/i386/i686/memcmp.S
+++ b/sysdeps/i386/i686/memcmp.S
@@ -43,15 +43,6 @@
      absolute address.  */						      \
   addl	(%ebx,INDEX,4), %ebx
 
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	ALIGN (4)
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
         .text
 	ALIGN (4)
 ENTRY (BP_SYM (memcmp))
diff --git a/sysdeps/i386/i686/multiarch/bcopy.S b/sysdeps/i386/i686/multiarch/bcopy.S
index 8671bf6..5f2e3a9 100644
--- a/sysdeps/i386/i686/multiarch/bcopy.S
+++ b/sysdeps/i386/i686/multiarch/bcopy.S
@@ -24,15 +24,6 @@
 /* Define multiple versions only for the definition in lib.  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(bcopy)
 	.type	bcopy, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/bzero.S b/sysdeps/i386/i686/multiarch/bzero.S
index 8c740a4..0d84d0c 100644
--- a/sysdeps/i386/i686/multiarch/bzero.S
+++ b/sysdeps/i386/i686/multiarch/bzero.S
@@ -24,15 +24,6 @@
 /* Define multiple versions only for the definition in lib.  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(__bzero)
 	.type	__bzero, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/memcmp-sse4.S b/sysdeps/i386/i686/multiarch/memcmp-sse4.S
index b1ed778..99965db 100644
--- a/sysdeps/i386/i686/multiarch/memcmp-sse4.S
+++ b/sysdeps/i386/i686/multiarch/memcmp-sse4.S
@@ -61,15 +61,6 @@
     addl	(%ebx,INDEX,SCALE), %ebx;			\
     /* We loaded the jump table and adjuested EDX/ESI. Go.  */	\
     jmp		*%ebx
-
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	ALIGN (4)
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
 #else
 # define JMPTBL(I, B)	I
 
diff --git a/sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S b/sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S
index 48a109c..9779c3a 100644
--- a/sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S
+++ b/sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S
@@ -81,15 +81,6 @@
     addl	(%ebx,INDEX,SCALE), %ebx;			\
     /* We loaded the jump table.  Go.  */			\
     jmp		*%ebx
-
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	ALIGN (4)
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
 #else
 # define PARMS		4
 # define ENTRANCE
diff --git a/sysdeps/i386/i686/multiarch/memcpy-ssse3.S b/sysdeps/i386/i686/multiarch/memcpy-ssse3.S
index ec9eeb9..f408bbe 100644
--- a/sysdeps/i386/i686/multiarch/memcpy-ssse3.S
+++ b/sysdeps/i386/i686/multiarch/memcpy-ssse3.S
@@ -81,15 +81,6 @@
     addl	(%ebx,INDEX,SCALE), %ebx;			\
     /* We loaded the jump table.  Go.  */			\
     jmp		*%ebx
-
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	ALIGN (4)
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
 #else
 # define PARMS		4
 # define ENTRANCE
diff --git a/sysdeps/i386/i686/multiarch/memcpy.S b/sysdeps/i386/i686/multiarch/memcpy.S
index bf1c7cc..d7e59ee 100644
--- a/sysdeps/i386/i686/multiarch/memcpy.S
+++ b/sysdeps/i386/i686/multiarch/memcpy.S
@@ -25,15 +25,6 @@
    DSO.  In static binaries we need memcpy before the initialization
    happened.  */
 #if defined SHARED && !defined NOT_IN_libc
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(memcpy)
 	.type	memcpy, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/memcpy_chk.S b/sysdeps/i386/i686/multiarch/memcpy_chk.S
index 171ac8a..79e2737 100644
--- a/sysdeps/i386/i686/multiarch/memcpy_chk.S
+++ b/sysdeps/i386/i686/multiarch/memcpy_chk.S
@@ -26,15 +26,6 @@
  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(__memcpy_chk)
 	.type	__memcpy_chk, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/memmove.S b/sysdeps/i386/i686/multiarch/memmove.S
index e0529c0..6057c58 100644
--- a/sysdeps/i386/i686/multiarch/memmove.S
+++ b/sysdeps/i386/i686/multiarch/memmove.S
@@ -24,15 +24,6 @@
 /* Define multiple versions only for the definition in lib.  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(memmove)
 	.type	memmove, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/memmove_chk.S b/sysdeps/i386/i686/multiarch/memmove_chk.S
index e33f2a3..58ba5e2 100644
--- a/sysdeps/i386/i686/multiarch/memmove_chk.S
+++ b/sysdeps/i386/i686/multiarch/memmove_chk.S
@@ -24,15 +24,6 @@
 /* Define multiple versions only for the definition in lib.  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(__memmove_chk)
 	.type	__memmove_chk, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/mempcpy.S b/sysdeps/i386/i686/multiarch/mempcpy.S
index df830d2..31a261d 100644
--- a/sysdeps/i386/i686/multiarch/mempcpy.S
+++ b/sysdeps/i386/i686/multiarch/mempcpy.S
@@ -25,15 +25,6 @@
    DSO.  In static binaries we need mempcpy before the initialization
    happened.  */
 #if defined SHARED && !defined NOT_IN_libc
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(__mempcpy)
 	.type	__mempcpy, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/mempcpy_chk.S b/sysdeps/i386/i686/multiarch/mempcpy_chk.S
index 828fb5e..7fb4555 100644
--- a/sysdeps/i386/i686/multiarch/mempcpy_chk.S
+++ b/sysdeps/i386/i686/multiarch/mempcpy_chk.S
@@ -26,15 +26,6 @@
  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(__mempcpy_chk)
 	.type	__mempcpy_chk, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/memset-sse2-rep.S b/sysdeps/i386/i686/multiarch/memset-sse2-rep.S
index f9a0b13..d4e81b7 100644
--- a/sysdeps/i386/i686/multiarch/memset-sse2-rep.S
+++ b/sysdeps/i386/i686/multiarch/memset-sse2-rep.S
@@ -65,15 +65,6 @@
     add		%ecx, %edx;					\
     /* We loaded the jump table and adjuested EDX. Go.  */	\
     jmp		*%ebx
-
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	ALIGN (4)
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
 #else
 # define ENTRANCE
 # define RETURN_END	ret
diff --git a/sysdeps/i386/i686/multiarch/memset-sse2.S b/sysdeps/i386/i686/multiarch/memset-sse2.S
index 92ad601..09d2ea8 100644
--- a/sysdeps/i386/i686/multiarch/memset-sse2.S
+++ b/sysdeps/i386/i686/multiarch/memset-sse2.S
@@ -65,15 +65,6 @@
     add		%ecx, %edx;					\
     /* We loaded the jump table and adjuested EDX. Go.  */	\
     jmp		*%ebx
-
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	ALIGN (4)
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
 #else
 # define ENTRANCE
 # define RETURN_END	ret
diff --git a/sysdeps/i386/i686/multiarch/memset.S b/sysdeps/i386/i686/multiarch/memset.S
index 34dddce..c7a3915 100644
--- a/sysdeps/i386/i686/multiarch/memset.S
+++ b/sysdeps/i386/i686/multiarch/memset.S
@@ -24,15 +24,6 @@
 /* Define multiple versions only for the definition in lib.  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(memset)
 	.type	memset, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/memset_chk.S b/sysdeps/i386/i686/multiarch/memset_chk.S
index d659c7e..941268e 100644
--- a/sysdeps/i386/i686/multiarch/memset_chk.S
+++ b/sysdeps/i386/i686/multiarch/memset_chk.S
@@ -24,15 +24,6 @@
 /* Define multiple versions only for the definition in lib.  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(__memset_chk)
 	.type	__memset_chk, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/strcmp.S b/sysdeps/i386/i686/multiarch/strcmp.S
index 7136d47..fd7c4c4 100644
--- a/sysdeps/i386/i686/multiarch/strcmp.S
+++ b/sysdeps/i386/i686/multiarch/strcmp.S
@@ -40,15 +40,6 @@
    need strncmp before the initialization happened.  */
 #if (defined SHARED || !defined USE_AS_STRNCMP) && !defined NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(STRCMP)
 	.type	STRCMP, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/strcspn.S b/sysdeps/i386/i686/multiarch/strcspn.S
index b2310e4..c7ac5fc 100644
--- a/sysdeps/i386/i686/multiarch/strcspn.S
+++ b/sysdeps/i386/i686/multiarch/strcspn.S
@@ -43,15 +43,6 @@
    need strpbrk before the initialization happened.  */
 #if (defined SHARED || !defined USE_AS_STRPBRK) && !defined NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(STRCSPN)
 	.type	STRCSPN, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/strlen.S b/sysdeps/i386/i686/multiarch/strlen.S
index 9786add..3bf0082 100644
--- a/sysdeps/i386/i686/multiarch/strlen.S
+++ b/sysdeps/i386/i686/multiarch/strlen.S
@@ -25,15 +25,6 @@
    DSO.  In static binaries, we need strlen before the initialization
    happened.  */
 #if defined SHARED && !defined NOT_IN_libc
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(strlen)
 	.type	strlen, @gnu_indirect_function
diff --git a/sysdeps/i386/i686/multiarch/strspn.S b/sysdeps/i386/i686/multiarch/strspn.S
index 7fe6f97..47e8e55 100644
--- a/sysdeps/i386/i686/multiarch/strspn.S
+++ b/sysdeps/i386/i686/multiarch/strspn.S
@@ -28,15 +28,6 @@
 /* Define multiple versions only for the definition in libc.  */
 #ifndef NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
-	ret
-
 	.text
 ENTRY(strspn)
 	.type	strspn, @gnu_indirect_function
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