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-rw-r--r--ChangeLog8
-rw-r--r--bits/byteswap.h21
-rw-r--r--sysdeps/i386/bits/byteswap.h20
-rw-r--r--sysdeps/ia64/bits/byteswap.h35
-rw-r--r--sysdeps/s390/bits/byteswap.h112
-rw-r--r--sysdeps/x86_64/bits/byteswap.h18
6 files changed, 124 insertions, 90 deletions
diff --git a/ChangeLog b/ChangeLog
index 37e70e7..2f2a22e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-12-23 Ulrich Drepper <drepper@gmail.com>
+
+ * bits/byteswap.h: Protect long long constants with __extension__.
+ * sysdeps/i386/bits/byteswap.h: Likewise.
+ * sysdeps/ia64/bits/byteswap.h: Likewise.
+ * sysdeps/s390/bits/byteswap.h: Likewise.
+ * sysdeps/x86_64/bits/byteswap.h: Likewise.
+
2011-12-23 Liubov Dmitrieva <liubov.dmitrieva@gmail.com>
[BZ #13540]
diff --git a/bits/byteswap.h b/bits/byteswap.h
index 45cb947..6df2f28 100644
--- a/bits/byteswap.h
+++ b/bits/byteswap.h
@@ -1,5 +1,6 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997,1998,2000-2002,2005,2008 Free Software Foundation, Inc.
+ Copyright (C) 1997,1998,2000-2002,2005,2008,2011
+ 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
@@ -60,20 +61,20 @@ __bswap_32 (unsigned int __bsx)
#if defined __GNUC__ && __GNUC__ >= 2
/* Swap bytes in 64 bit value. */
# define __bswap_constant_64(x) \
- ((((x) & 0xff00000000000000ull) >> 56) \
- | (((x) & 0x00ff000000000000ull) >> 40) \
- | (((x) & 0x0000ff0000000000ull) >> 24) \
- | (((x) & 0x000000ff00000000ull) >> 8) \
- | (((x) & 0x00000000ff000000ull) << 8) \
- | (((x) & 0x0000000000ff0000ull) << 24) \
- | (((x) & 0x000000000000ff00ull) << 40) \
- | (((x) & 0x00000000000000ffull) << 56))
+ (__extension__ ((((x) & 0xff00000000000000ull) >> 56) \
+ | (((x) & 0x00ff000000000000ull) >> 40) \
+ | (((x) & 0x0000ff0000000000ull) >> 24) \
+ | (((x) & 0x000000ff00000000ull) >> 8) \
+ | (((x) & 0x00000000ff000000ull) << 8) \
+ | (((x) & 0x0000000000ff0000ull) << 24) \
+ | (((x) & 0x000000000000ff00ull) << 40) \
+ | (((x) & 0x00000000000000ffull) << 56)))
# define __bswap_64(x) \
(__extension__ \
({ union { __extension__ unsigned long long int __ll; \
unsigned int __l[2]; } __w, __r; \
- if (__builtin_constant_p (x)) \
+ if (__builtin_constant_p (x)) \
__r.__ll = __bswap_constant_64 (x); \
else \
{ \
diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h
index c246ae8..ddfb785 100644
--- a/sysdeps/i386/bits/byteswap.h
+++ b/sysdeps/i386/bits/byteswap.h
@@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997, 1998, 2000, 2002, 2003, 2006, 2007, 2008, 2010
+ Copyright (C) 1997, 1998, 2000, 2002, 2003, 2006, 2007, 2008, 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -109,15 +109,15 @@ __bswap_32 (unsigned int __bsx)
#if defined __GNUC__ && __GNUC__ >= 2
/* Swap bytes in 64 bit value. */
-#define __bswap_constant_64(x) \
- ((((x) & 0xff00000000000000ull) >> 56) \
- | (((x) & 0x00ff000000000000ull) >> 40) \
- | (((x) & 0x0000ff0000000000ull) >> 24) \
- | (((x) & 0x000000ff00000000ull) >> 8) \
- | (((x) & 0x00000000ff000000ull) << 8) \
- | (((x) & 0x0000000000ff0000ull) << 24) \
- | (((x) & 0x000000000000ff00ull) << 40) \
- | (((x) & 0x00000000000000ffull) << 56))
+# define __bswap_constant_64(x) \
+ (__extension__ ((((x) & 0xff00000000000000ull) >> 56) \
+ | (((x) & 0x00ff000000000000ull) >> 40) \
+ | (((x) & 0x0000ff0000000000ull) >> 24) \
+ | (((x) & 0x000000ff00000000ull) >> 8) \
+ | (((x) & 0x00000000ff000000ull) << 8) \
+ | (((x) & 0x0000000000ff0000ull) << 24) \
+ | (((x) & 0x000000000000ff00ull) << 40) \
+ | (((x) & 0x00000000000000ffull) << 56)))
# define __bswap_64(x) \
(__extension__ \
diff --git a/sysdeps/ia64/bits/byteswap.h b/sysdeps/ia64/bits/byteswap.h
index d64914f..29d0e37 100644
--- a/sysdeps/ia64/bits/byteswap.h
+++ b/sysdeps/ia64/bits/byteswap.h
@@ -1,5 +1,6 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997,1998,2000,2002,2003,2008 Free Software Foundation, Inc.
+ Copyright (C) 1997,1998,2000,2002,2003,2008,2011
+ 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
@@ -77,17 +78,17 @@ __bswap_32 (unsigned int __bsx)
/* Swap bytes in 64 bit value. */
-#define __bswap_constant_64(x) \
- ((((x) & 0xff00000000000000ul) >> 56) \
- | (((x) & 0x00ff000000000000ul) >> 40) \
- | (((x) & 0x0000ff0000000000ul) >> 24) \
- | (((x) & 0x000000ff00000000ul) >> 8) \
- | (((x) & 0x00000000ff000000ul) << 8) \
- | (((x) & 0x0000000000ff0000ul) << 24) \
- | (((x) & 0x000000000000ff00ul) << 40) \
- | (((x) & 0x00000000000000fful) << 56))
-
#if defined __GNUC__ && __GNUC__ >= 2
+# define __bswap_constant_64(x) \
+ (__extension__ ((((x) & 0xff00000000000000ul) >> 56) \
+ | (((x) & 0x00ff000000000000ul) >> 40) \
+ | (((x) & 0x0000ff0000000000ul) >> 24) \
+ | (((x) & 0x000000ff00000000ul) >> 8) \
+ | (((x) & 0x00000000ff000000ul) << 8) \
+ | (((x) & 0x0000000000ff0000ul) << 24) \
+ | (((x) & 0x000000000000ff00ul) << 40) \
+ | (((x) & 0x00000000000000fful) << 56)))
+
# define __bswap_64(x) \
(__extension__ \
({ register unsigned long int __v, __x = (x); \
@@ -97,9 +98,19 @@ __bswap_32 (unsigned int __bsx)
__asm__ __volatile__ ("mux1 %0 = %1, @rev ;;" \
: "=r" (__v) \
: "r" ((unsigned long int) (__x))); \
- __v; }))
+ __v; }))
#else
+# define __bswap_constant_64(x) \
+ ((((x) & 0xff00000000000000ul) >> 56) \
+ | (((x) & 0x00ff000000000000ul) >> 40) \
+ | (((x) & 0x0000ff0000000000ul) >> 24) \
+ | (((x) & 0x000000ff00000000ul) >> 8) \
+ | (((x) & 0x00000000ff000000ul) << 8) \
+ | (((x) & 0x0000000000ff0000ul) << 24) \
+ | (((x) & 0x000000000000ff00ul) << 40) \
+ | (((x) & 0x00000000000000fful) << 56))
+
static __inline unsigned long int
__bswap_64 (unsigned long int __bsx)
{
diff --git a/sysdeps/s390/bits/byteswap.h b/sysdeps/s390/bits/byteswap.h
index 4bfd5fa..0e0346b 100644
--- a/sysdeps/s390/bits/byteswap.h
+++ b/sysdeps/s390/bits/byteswap.h
@@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. s390 version.
- Copyright (C) 2000, 2001, 2002, 2003, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2000-2003, 2008, 2011 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -35,31 +35,31 @@
# if __WORDSIZE == 64
# define __bswap_16(x) \
(__extension__ \
- ({ unsigned short int __v, __x = (x); \
+ ({ unsigned short int __v, __x = (x); \
if (__builtin_constant_p (x)) \
__v = __bswap_constant_16 (__x); \
else { \
- unsigned short int __tmp = (unsigned short int) (__x); \
- __asm__ __volatile__ ( \
- "lrvh %0,%1" \
- : "=&d" (__v) : "m" (__tmp) ); \
- } \
+ unsigned short int __tmp = (unsigned short int) (__x); \
+ __asm__ __volatile__ ( \
+ "lrvh %0,%1" \
+ : "=&d" (__v) : "m" (__tmp) ); \
+ } \
__v; }))
# else
# define __bswap_16(x) \
(__extension__ \
- ({ unsigned short int __v, __x = (x); \
+ ({ unsigned short int __v, __x = (x); \
if (__builtin_constant_p (x)) \
__v = __bswap_constant_16 (__x); \
else { \
- unsigned short int __tmp = (unsigned short int) (__x); \
- __asm__ __volatile__ ( \
- "sr %0,%0\n" \
- "la 1,%1\n" \
- "icm %0,2,1(1)\n" \
- "ic %0,0(1)" \
- : "=&d" (__v) : "m" (__tmp) : "1"); \
- } \
+ unsigned short int __tmp = (unsigned short int) (__x); \
+ __asm__ __volatile__ ( \
+ "sr %0,%0\n" \
+ "la 1,%1\n" \
+ "icm %0,2,1(1)\n" \
+ "ic %0,0(1)" \
+ : "=&d" (__v) : "m" (__tmp) : "1"); \
+ } \
__v; }))
# endif
#else
@@ -80,32 +80,32 @@ __bswap_16 (unsigned short int __bsx)
# if __WORDSIZE == 64
# define __bswap_32(x) \
(__extension__ \
- ({ unsigned int __v, __x = (x); \
+ ({ unsigned int __v, __x = (x); \
if (__builtin_constant_p (x)) \
__v = __bswap_constant_32 (__x); \
else { \
- unsigned int __tmp = (unsigned int) (__x); \
- __asm__ __volatile__ ( \
- "lrv %0,%1" \
- : "=&d" (__v) : "m" (__tmp)); \
- } \
+ unsigned int __tmp = (unsigned int) (__x); \
+ __asm__ __volatile__ ( \
+ "lrv %0,%1" \
+ : "=&d" (__v) : "m" (__tmp)); \
+ } \
__v; }))
# else
# define __bswap_32(x) \
(__extension__ \
- ({ unsigned int __v, __x = (x); \
+ ({ unsigned int __v, __x = (x); \
if (__builtin_constant_p (x)) \
__v = __bswap_constant_32 (__x); \
else { \
- unsigned int __tmp = (unsigned int) (__x); \
- __asm__ __volatile__ ( \
- "la 1,%1\n" \
- "icm %0,8,3(1)\n" \
- "icm %0,4,2(1)\n" \
- "icm %0,2,1(1)\n" \
- "ic %0,0(1)" \
- : "=&d" (__v) : "m" (__tmp) : "1"); \
- } \
+ unsigned int __tmp = (unsigned int) (__x); \
+ __asm__ __volatile__ ( \
+ "la 1,%1\n" \
+ "icm %0,8,3(1)\n" \
+ "icm %0,4,2(1)\n" \
+ "icm %0,2,1(1)\n" \
+ "ic %0,0(1)" \
+ : "=&d" (__v) : "m" (__tmp) : "1"); \
+ } \
__v; }))
# endif
#else
@@ -117,37 +117,51 @@ __bswap_32 (unsigned int __bsx)
#endif
/* Swap bytes in 64 bit value. */
-#define __bswap_constant_64(x) \
- ((((x)&0xff00000000000000) >> 56) | (((x)&0x00ff000000000000) >> 40) | \
- (((x)&0x0000ff0000000000) >> 24) | (((x)&0x000000ff00000000) >> 8) | \
- (((x)&0x00000000ff000000) << 8) | (((x)&0x0000000000ff0000) << 24) | \
- (((x)&0x000000000000ff00) << 40) | (((x)&0x00000000000000ff) << 56))
-
#if defined __GNUC__ && __GNUC__ >= 2
+# define __bswap_constant_64(x) \
+ (__extension__ ((((x) & 0xff00000000000000ul) >> 56) \
+ | (((x) & 0x00ff000000000000ul) >> 40) \
+ | (((x) & 0x0000ff0000000000ul) >> 24) \
+ | (((x) & 0x000000ff00000000ul) >> 8) \
+ | (((x) & 0x00000000ff000000ul) << 8) \
+ | (((x) & 0x0000000000ff0000ul) << 24) \
+ | (((x) & 0x000000000000ff00ul) << 40) \
+ | (((x) & 0x00000000000000fful) << 56)))
+
# if __WORDSIZE == 64
# define __bswap_64(x) \
(__extension__ \
- ({ unsigned long __w, __x = (x); \
+ ({ unsigned long __w, __x = (x); \
if (__builtin_constant_p (x)) \
__w = __bswap_constant_64 (__x); \
else { \
- unsigned long __tmp = (unsigned long) (__x); \
- __asm__ __volatile__ ( \
- "lrvg %0,%1" \
- : "=&d" (__w) : "m" (__tmp)); \
- } \
+ unsigned long __tmp = (unsigned long) (__x); \
+ __asm__ __volatile__ ( \
+ "lrvg %0,%1" \
+ : "=&d" (__w) : "m" (__tmp)); \
+ } \
__w; }))
# else
# define __bswap_64(x) \
__extension__ \
({ union { unsigned long long int __ll; \
- unsigned long int __l[2]; } __w, __r; \
- __w.__ll = (x); \
- __r.__l[0] = __bswap_32 (__w.__l[1]); \
- __r.__l[1] = __bswap_32 (__w.__l[0]); \
- __r.__ll; })
+ unsigned long int __l[2]; } __w, __r; \
+ __w.__ll = (x); \
+ __r.__l[0] = __bswap_32 (__w.__l[1]); \
+ __r.__l[1] = __bswap_32 (__w.__l[0]); \
+ __r.__ll; })
# endif
#else
+# define __bswap_constant_64(x) \
+ ((((x) & 0xff00000000000000ul) >> 56) \
+ | (((x) & 0x00ff000000000000ul) >> 40) \
+ | (((x) & 0x0000ff0000000000ul) >> 24) \
+ | (((x) & 0x000000ff00000000ul) >> 8) \
+ | (((x) & 0x00000000ff000000ul) << 8) \
+ | (((x) & 0x0000000000ff0000ul) << 24) \
+ | (((x) & 0x000000000000ff00ul) << 40) \
+ | (((x) & 0x00000000000000fful) << 56))
+
static __inline unsigned long long int
__bswap_64 (unsigned long long int __bsx)
{
diff --git a/sysdeps/x86_64/bits/byteswap.h b/sysdeps/x86_64/bits/byteswap.h
index e350fb8..c6db93c 100644
--- a/sysdeps/x86_64/bits/byteswap.h
+++ b/sysdeps/x86_64/bits/byteswap.h
@@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008, 2010
+ Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008, 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -99,14 +99,14 @@
#if defined __GNUC__ && __GNUC__ >= 2
/* Swap bytes in 64 bit value. */
# define __bswap_constant_64(x) \
- ((((x) & 0xff00000000000000ull) >> 56) \
- | (((x) & 0x00ff000000000000ull) >> 40) \
- | (((x) & 0x0000ff0000000000ull) >> 24) \
- | (((x) & 0x000000ff00000000ull) >> 8) \
- | (((x) & 0x00000000ff000000ull) << 8) \
- | (((x) & 0x0000000000ff0000ull) << 24) \
- | (((x) & 0x000000000000ff00ull) << 40) \
- | (((x) & 0x00000000000000ffull) << 56))
+ (__extension__ ((((x) & 0xff00000000000000ull) >> 56) \
+ | (((x) & 0x00ff000000000000ull) >> 40) \
+ | (((x) & 0x0000ff0000000000ull) >> 24) \
+ | (((x) & 0x000000ff00000000ull) >> 8) \
+ | (((x) & 0x00000000ff000000ull) << 8) \
+ | (((x) & 0x0000000000ff0000ull) << 24) \
+ | (((x) & 0x000000000000ff00ull) << 40) \
+ | (((x) & 0x00000000000000ffull) << 56)))
# if __WORDSIZE == 64
# define __bswap_64(x) \