[Commits] r16994 - in /fsf/trunk/libc: ChangeLog sysdeps/i386/sysdep.h sysdeps/unix/sysv/linux/i386/sysdep.h

[eglibc@xxxxxxxxxx]

Author: eglibc
Date: Mon Feb  6 00:01:38 2012
New Revision: 16994

Log:
Import glibc-mainline for 2012-02-06

Modified:
    fsf/trunk/libc/ChangeLog
    fsf/trunk/libc/sysdeps/i386/sysdep.h
    fsf/trunk/libc/sysdeps/unix/sysv/linux/i386/sysdep.h

Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Mon Feb  6 00:01:38 2012
@@ -1,3 +1,10 @@
+2012-02-05  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
+
+	* sysdeps/i386/sysdep.h (SETUP_PIC_REG_STR, LOAD_PIC_REG_STR):
+	Define.
+	* sysdeps/unix/sysv/linux/i386/sysdep.h (check_consistency): Use
+	LOAD_PIC_REG_STR.
+
 2012-02-03  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
 
 	* sysdeps/i386/sysdep.h (GET_PC_THUNK, GET_PC_THUNK_STR): Define.

Modified: fsf/trunk/libc/sysdeps/i386/sysdep.h
==============================================================================
--- fsf/trunk/libc/sysdeps/i386/sysdep.h (original)
+++ fsf/trunk/libc/sysdeps/i386/sysdep.h Mon Feb  6 00:01:38 2012
@@ -156,4 +156,24 @@
 
 #define atom_text_section .section ".text.atom", "ax"
 
+#else /* __ASSEMBLER__ */
+
+# define SETUP_PIC_REG_STR(reg)						\
+  ".ifndef " GET_PC_THUNK_STR (reg) "\n"				\
+  ".section .gnu.linkonce.t." GET_PC_THUNK_STR (reg) ",\"ax\",@progbits\n" \
+  ".globl " GET_PC_THUNK_STR (reg) "\n"					\
+  ".hidden " GET_PC_THUNK_STR (reg) "\n"				\
+  ".p2align 4\n"							\
+  ".type " GET_PC_THUNK_STR (reg) ",@function\n"			\
+GET_PC_THUNK_STR (reg) ":"						\
+  "movl (%%esp), %%e" #reg "\n"						\
+  "ret\n"								\
+  ".size " GET_PC_THUNK_STR (reg) ", . - " GET_PC_THUNK_STR (reg) "\n"	\
+  ".previous\n"								\
+  ".endif\n"								\
+  "call " GET_PC_THUNK_STR (reg)
+
+# define LOAD_PIC_REG_STR(reg) \
+  SETUP_PIC_REG_STR (reg) "\naddl $_GLOBAL_OFFSET_TABLE_, %%e" #reg
+
 #endif	/* __ASSEMBLER__ */

Modified: fsf/trunk/libc/sysdeps/unix/sysv/linux/i386/sysdep.h
==============================================================================
--- fsf/trunk/libc/sysdeps/unix/sysv/linux/i386/sysdep.h (original)
+++ fsf/trunk/libc/sysdeps/unix/sysv/linux/i386/sysdep.h Mon Feb  6 00:01:38 2012
@@ -514,20 +514,11 @@
 # define check_consistency()						      \
   ({ int __res;								      \
      __asm__ __volatile__						      \
-       ("call "GET_PC_THUNK_STR(cx)";"					      \
-	"addl $_GLOBAL_OFFSET_TABLE_, %%ecx;"				      \
+       (LOAD_PIC_REG_STR (cx) ";"					      \
 	"subl %%ebx, %%ecx;"						      \
 	"je 1f;"							      \
 	"ud2;"								      \
 	"1:\n"								      \
-	".section .gnu.linkonce.t."GET_PC_THUNK_STR(cx)",\"ax\",@progbits;"   \
-	".globl "GET_PC_THUNK_STR(cx)";"				      \
-	".hidden "GET_PC_THUNK_STR(cx)";"				      \
-	".type "GET_PC_THUNK_STR(cx)",@function;"			      \
-	GET_PC_THUNK_STR(cx)":"						      \
-	"movl (%%esp), %%ecx;"						      \
-	"ret;"								      \
-	".previous"							      \
 	: "=c" (__res));						      \
      __res; })
 #endif

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