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-rw-r--r--ChangeLog37
-rw-r--r--nptl/ChangeLog2
-rw-r--r--nptl/pthreadP.h3
-rw-r--r--nptl_db/ChangeLog6
-rw-r--r--nptl_db/td_ta_event_getmsg.c3
-rw-r--r--sysdeps/i386/bits/byteswap.h41
-rw-r--r--sysdeps/ia64/bits/byteswap.h38
-rw-r--r--sysdeps/s390/bits/byteswap.h50
-rw-r--r--sysdeps/unix/arm/sysdep.S52
-rw-r--r--sysdeps/unix/sysv/linux/alpha/adjtime.c3
-rw-r--r--sysdeps/unix/sysv/linux/arm/socket.S2
-rw-r--r--sysdeps/unix/sysv/linux/arm/sysdep.h43
12 files changed, 192 insertions, 88 deletions
diff --git a/ChangeLog b/ChangeLog
index 704edc0..a7536f9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,40 @@
+2003-01-06 Philip Blundell <philb@gnu.org>
+
+ * sysdeps/unix/arm/sysdep.S (syscall_error): Optimise a little.
+ [__LIBC_REENTRANT]: Unify PIC and non-PIC cases.
+
+ * sysdeps/unix/sysv/linux/arm/sysdep.h (PSEUDO): Remove .type
+ directive.
+ (PSEUDO_RET): Use SYSCALL_ERROR in place of __syscall_error.
+ (SYSCALL_ERROR): New.
+ (SYSCALL_ERROR_HANDLER) [NOT_IN_libc]: Provide local copy of error
+ handling code.
+ (INTERNAL_SYSCALL): Define.
+ (INLINE_SYSCALL): Use it.
+ (INTERNAL_SYSCALL_ERROR_P, INTERNAL_SYSCALL_ERRNO): Define.
+ * sysdeps/unix/sysv/linux/arm/socket.S (__socket): Use
+ SYSCALL_ERROR in place of __syscall_error.
+
+2003-01-07 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/ia64/bits/byteswap.h [__GNUC__ >= 2] (__bswap_16,
+ __bswap_32, __bswap_64): Put x into temporary variable
+ to avoid warnings.
+ [!__GNUC__] (__bswap_16, __bswap_32, __bswap_64): Change into static
+ (inline) functions.
+ * sysdeps/s390/bits/byteswap.h [__GNUC__ >= 2] (__bswap_16,
+ __bswap_32, __bswap_64): Put x into temporary variable
+ to avoid warnings.
+ [!__GNUC__] (__bswap_16, __bswap_32, __bswap_64): Change into static
+ (inline) functions.
+ * sysdeps/i386/bits/byteswap.h [!__GNUC__] (__bswap_16, __bswap_32):
+ Likewise.
+
+2003-01-07 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/unix/sysv/linux/alpha/adjtime.c (ntp_adjtime): New weak
+ alias.
+
2003-01-07 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (_rtld_global): Remove _dl_dynamic_weak initializer.
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index aa422d3..3afa3e6 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,7 @@
2003-01-07 Jakub Jelinek <jakub@redhat.com>
+ * pthreadP.h (__pthread_cond_timedwait): Add prototype.
+
* sysdeps/unix/sysv/linux/i386/dl-sysdep.h
(RTLD_CORRECT_DYNAMIC_WEAK): Remove.
(DL_SYSINFO_IMPLEMENTATION): Change into .text section and back.
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h
index b298524..3223291 100644
--- a/nptl/pthreadP.h
+++ b/nptl/pthreadP.h
@@ -260,6 +260,9 @@ extern int __pthread_cond_init (pthread_cond_t *cond,
const pthread_condattr_t *cond_attr);
extern int __pthread_cond_signal (pthread_cond_t *cond);
extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex);
+extern int __pthread_cond_timedwait (pthread_cond_t *cond,
+ pthread_mutex_t *mutex,
+ const struct timespec *abstime);
extern int __pthread_condattr_destroy (pthread_condattr_t *attr);
extern int __pthread_condattr_init (pthread_condattr_t *attr);
extern int __pthread_key_create (pthread_key_t *key, void (*destr) (void *));
diff --git a/nptl_db/ChangeLog b/nptl_db/ChangeLog
index c15ba3f..d4a4ad0 100644
--- a/nptl_db/ChangeLog
+++ b/nptl_db/ChangeLog
@@ -1,4 +1,8 @@
-2003-01-05 Ulrich Drepper <drepper@redhat.com>
+2003-01-07 Jakub Jelinek <jakub@redhat.com>
+
+ * td_ta_event_getmsg.c: Include assert.h.
+
+-2003-01-05 Ulrich Drepper <drepper@redhat.com>
* Makefile (libthread_db.so-no-z-defs): Define.
diff --git a/nptl_db/td_ta_event_getmsg.c b/nptl_db/td_ta_event_getmsg.c
index 919ba65..ae3f8e7 100644
--- a/nptl_db/td_ta_event_getmsg.c
+++ b/nptl_db/td_ta_event_getmsg.c
@@ -1,5 +1,5 @@
/* Retrieve event.
- Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
@@ -18,6 +18,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <assert.h>
#include <stddef.h>
#include <string.h>
diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h
index db8b15d..0d7d75c 100644
--- a/sysdeps/i386/bits/byteswap.h
+++ b/sysdeps/i386/bits/byteswap.h
@@ -28,8 +28,9 @@
#define __bswap_constant_16(x) \
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
-#if defined __GNUC__ && __GNUC__ >= 2
-# define __bswap_16(x) \
+#ifdef __GNUC__
+# if __GNUC__ >= 2
+# define __bswap_16(x) \
(__extension__ \
({ register unsigned short int __v, __x = (x); \
if (__builtin_constant_p (__x)) \
@@ -40,24 +41,31 @@
: "0" (__x) \
: "cc"); \
__v; }))
-#else
+# else
/* This is better than nothing. */
-# define __bswap_16(x) \
+# define __bswap_16(x) \
(__extension__ \
({ register unsigned short int __x = (x); __bswap_constant_16 (__x); }))
+# endif
+#else
+static __inline unsigned short int
+__bswap_16 (unsigned short int __bsx)
+{
+ return __bswap_constant_16 (__bsx);
+}
#endif
-
/* Swap bytes in 32 bit value. */
#define __bswap_constant_32(x) \
((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
-#if defined __GNUC__ && __GNUC__ >= 2
+#ifdef __GNUC__
+# if __GNUC__ >= 2
/* To swap the bytes in a word the i486 processors and up provide the
`bswap' opcode. On i386 we have to use three instructions. */
-# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__
-# define __bswap_32(x) \
+# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__
+# define __bswap_32(x) \
(__extension__ \
({ register unsigned int __v, __x = (x); \
if (__builtin_constant_p (__x)) \
@@ -70,8 +78,8 @@
: "0" (__x) \
: "cc"); \
__v; }))
-# else
-# define __bswap_32(x) \
+# else
+# define __bswap_32(x) \
(__extension__ \
({ register unsigned int __v, __x = (x); \
if (__builtin_constant_p (__x)) \
@@ -79,11 +87,18 @@
else \
__asm__ ("bswap %0" : "=r" (__v) : "0" (__x)); \
__v; }))
-# endif
-#else
-# define __bswap_32(x) \
+# endif
+# else
+# define __bswap_32(x) \
(__extension__ \
({ register unsigned int __x = (x); __bswap_constant_32 (__x); }))
+# endif
+#else
+static __inline unsigned int
+__bswap_32 (unsigned int __bsx)
+{
+ return __bswap_constant_32 (__bsx);
+}
#endif
diff --git a/sysdeps/ia64/bits/byteswap.h b/sysdeps/ia64/bits/byteswap.h
index 285102c..6862aa0 100644
--- a/sysdeps/ia64/bits/byteswap.h
+++ b/sysdeps/ia64/bits/byteswap.h
@@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2002, 2003 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
@@ -31,18 +31,22 @@
#if defined __GNUC__ && __GNUC__ >= 2
# define __bswap_16(x) \
(__extension__ \
- ({ register unsigned short int __v; \
+ ({ register unsigned short int __v, __x = (x); \
if (__builtin_constant_p (x)) \
- __v = __bswap_constant_16 (x); \
+ __v = __bswap_constant_16 (__x); \
else \
__asm__ __volatile__ ("shl %0 = %1, 48 ;;" \
"mux1 %0 = %0, @rev ;;" \
: "=r" (__v) \
- : "r" ((unsigned short int) (x))); \
+ : "r" ((unsigned short int) (__x))); \
__v; }))
#else
/* This is better than nothing. */
-# define __bswap_16(x) __bswap_constant_16 (x)
+static __inline unsigned short int
+__bswap_16 (unsigned short int __bsx)
+{
+ return __bswap_constant_16 (__bsx);
+}
#endif
@@ -54,17 +58,21 @@
#if defined __GNUC__ && __GNUC__ >= 2
# define __bswap_32(x) \
(__extension__ \
- ({ register unsigned int __v; \
+ ({ register unsigned int __v, __x = (x); \
if (__builtin_constant_p (x)) \
- __v = __bswap_constant_32 (x); \
+ __v = __bswap_constant_32 (__x); \
else \
__asm__ __volatile__ ("shl %0 = %1, 32 ;;" \
"mux1 %0 = %0, @rev ;;" \
: "=r" (__v) \
- : "r" ((unsigned int) (x))); \
+ : "r" ((unsigned int) (__x))); \
__v; }))
#else
-# define __bswap_32(x) __bswap_constant_32 (x)
+static __inline unsigned int
+__bswap_32 (unsigned int __bsx)
+{
+ return __bswap_constant_32 (__bsx);
+}
#endif
@@ -82,17 +90,21 @@
#if defined __GNUC__ && __GNUC__ >= 2
# define __bswap_64(x) \
(__extension__ \
- ({ register unsigned long int __v; \
+ ({ register unsigned long int __v, __x = (x); \
if (__builtin_constant_p (x)) \
- __v = __bswap_constant_64 (x); \
+ __v = __bswap_constant_64 (__x); \
else \
__asm__ __volatile__ ("mux1 %0 = %1, @rev ;;" \
: "=r" (__v) \
- : "r" ((unsigned long int) (x))); \
+ : "r" ((unsigned long int) (__x))); \
__v; }))
#else
-# define __bswap_64(x) __bswap_constant_64 (x)
+static __inline unsigned long int
+__bswap_64 (unsigned long int __bsx)
+{
+ return __bswap_constant_64 (__bsx);
+}
#endif
#endif /* _BITS_BYTESWAP_H */
diff --git a/sysdeps/s390/bits/byteswap.h b/sysdeps/s390/bits/byteswap.h
index 6a4b4ae..d0e31b8 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 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -35,11 +35,11 @@
# if __WORDSIZE == 64
# define __bswap_16(x) \
(__extension__ \
- ({ unsigned short int __v; \
+ ({ unsigned short int __v, __x = (x); \
if (__builtin_constant_p (x)) \
- __v = __bswap_constant_16 (x); \
+ __v = __bswap_constant_16 (__x); \
else { \
- unsigned short int __tmp = (unsigned short int) (x); \
+ unsigned short int __tmp = (unsigned short int) (__x); \
__asm__ __volatile__ ( \
"lrvh %0,%1" \
: "=&d" (__v) : "m" (__tmp) ); \
@@ -48,11 +48,11 @@
# else
# define __bswap_16(x) \
(__extension__ \
- ({ unsigned short int __v; \
+ ({ unsigned short int __v, __x = (x); \
if (__builtin_constant_p (x)) \
- __v = __bswap_constant_16 (x); \
+ __v = __bswap_constant_16 (__x); \
else { \
- unsigned short int __tmp = (unsigned short int) (x); \
+ unsigned short int __tmp = (unsigned short int) (__x); \
__asm__ __volatile__ ( \
"sr %0,%0\n" \
"la 1,%1\n" \
@@ -64,7 +64,11 @@
# endif
#else
/* This is better than nothing. */
-#define __bswap_16(x) __bswap_constant_16 (x)
+static __inline unsigned short int
+__bswap_16 (unsigned short int __bsx)
+{
+ return __bswap_constant_16 (__bsx);
+}
#endif
/* Swap bytes in 32 bit value. */
@@ -76,11 +80,11 @@
# if __WORDSIZE == 64
# define __bswap_32(x) \
(__extension__ \
- ({ unsigned int __v; \
+ ({ unsigned int __v, __x = (x); \
if (__builtin_constant_p (x)) \
- __v = __bswap_constant_32 (x); \
+ __v = __bswap_constant_32 (__x); \
else { \
- unsigned int __tmp = (unsigned int) (x); \
+ unsigned int __tmp = (unsigned int) (__x); \
__asm__ __volatile__ ( \
"lrv %0,%1" \
: "=&d" (__v) : "m" (__tmp)); \
@@ -89,11 +93,11 @@
# else
# define __bswap_32(x) \
(__extension__ \
- ({ unsigned int __v; \
+ ({ unsigned int __v, __x = (x); \
if (__builtin_constant_p (x)) \
- __v = __bswap_constant_32 (x); \
+ __v = __bswap_constant_32 (__x); \
else { \
- unsigned int __tmp = (unsigned int) (x); \
+ unsigned int __tmp = (unsigned int) (__x); \
__asm__ __volatile__ ( \
"la 1,%1\n" \
"icm %0,8,3(1)\n" \
@@ -105,7 +109,11 @@
__v; }))
# endif
#else
-# define __bswap_32(x) __bswap_constant_32 (x)
+static __inline unsigned int
+__bswap_32 (unsigned int __bsx)
+{
+ return __bswap_constant_32 (__bsx);
+}
#endif
/* Swap bytes in 64 bit value. */
@@ -119,11 +127,11 @@
# if __WORDSIZE == 64
# define __bswap_64(x) \
(__extension__ \
- ({ unsigned long __w; \
+ ({ unsigned long __w, __x = (x); \
if (__builtin_constant_p (x)) \
- __w = __bswap_constant_64 (x); \
+ __w = __bswap_constant_64 (__x); \
else { \
- unsigned long __tmp = (unsigned long) (x); \
+ unsigned long __tmp = (unsigned long) (__x); \
__asm__ __volatile__ ( \
"lrvg %0,%1" \
: "=&d" (__w) : "m" (__tmp)); \
@@ -140,7 +148,11 @@
__r.__ll; })
# endif
#else
-# define __bswap_64(x) __bswap_constant_64 (x)
+static __inline unsigned long long int
+__bswap_64 (unsigned long long int __bsx)
+{
+ return __bswap_constant_64 (__bsx);
+}
#endif
#endif /* _BITS_BYTESWAP_H */
diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S
index 6487caa..5fc80a8 100644
--- a/sysdeps/unix/arm/sysdep.S
+++ b/sysdeps/unix/arm/sysdep.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,98 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,94,95,96,97,98,2002,03 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
@@ -37,42 +37,34 @@ syscall_error:
moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
#endif
-#ifndef PIC
- ldr r1, _errno_loc
- str r0, [r1]
#ifdef _LIBC_REENTRANT
- stmdb sp!, {r0, lr}
- /* put another copy of r0 at a specific errno location */
- bl C_SYMBOL_NAME(__errno_location)
- ldmia sp!, {r1, lr}
+ str lr, [sp, #-4]!
+ str r0, [sp, #-4]!
+ bl PLTJMP(C_SYMBOL_NAME(__errno_location))
+ ldr r1, [sp], #4
str r1, [r0]
-#endif
+ mvn r0, $0
+ ldr pc, [sp], #4
#else
- stmdb sp!,{r10, lr}
- @ we have to establish our PIC register
- ldr r10, 1f
- add r10, pc, r10
-0: ldr r1, 2f
- ldr r1, [r10, r1]
- @ store a copy in _errno_loc
+#ifndef PIC
+ ldr r1, 1f
str r0, [r1]
-#ifdef _LIBC_REENTRANT
- @ and another copy in thread copy of _errno_loc
- mov r10, r0
- bl __errno_location(PLT)
- str r10, [r0]
-#endif
- ldmia sp!, {r10, lr}
- b 4f
-1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 4
-2: .word C_SYMBOL_NAME(errno)(GOT)
-4:
-#endif
mvn r0, $0
RETINSTR(mov, pc, r14)
-#ifndef PIC
-_errno_loc: .long C_SYMBOL_NAME(errno)
+1: .long C_SYMBOL_NAME(errno)
+#else
+ @ we have to establish our PIC register
+ ldr r2, 1f
+ ldr r1, 2f
+0: add r2, pc, r2
+ str r0, [r1, r2]
+ mvn r0, $0
+ RETINSTR(mov, pc, r14)
+
+1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 8
+2: .word C_SYMBOL_NAME(errno)(GOTOFF)
+#endif
#endif
#undef __syscall_error
diff --git a/sysdeps/unix/sysv/linux/alpha/adjtime.c b/sysdeps/unix/sysv/linux/alpha/adjtime.c
index 2bed884..34df942 100644
--- a/sysdeps/unix/sysv/linux/alpha/adjtime.c
+++ b/sysdeps/unix/sysv/linux/alpha/adjtime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2002, 2003 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
@@ -191,5 +191,6 @@ __adjtimex_tv64 (struct timex *tx)
strong_alias (__adjtimex_tv64, __adjtimex_internal);
strong_alias (__adjtimex_tv64, __adjtimex_tv64p);
+weak_alias (__adjtimex_tv64, ntp_adjtime);
versioned_symbol (libc, __adjtimex_tv64, __adjtimex, GLIBC_2_1);
versioned_symbol (libc, __adjtimex_tv64p, adjtimex, GLIBC_2_1);
diff --git a/sysdeps/unix/sysv/linux/arm/socket.S b/sysdeps/unix/sysv/linux/arm/socket.S
index 2672de7..f4ccc54 100644
--- a/sysdeps/unix/sysv/linux/arm/socket.S
+++ b/sysdeps/unix/sysv/linux/arm/socket.S
@@ -79,7 +79,7 @@ ENTRY (__socket)
/* r0 is < 0 if there was an error. */
cmn r0, $124
RETINSTR(movcc, pc, r14)
- b PLTJMP(syscall_error)
+ b PLTJMP(SYSCALL_ERROR)
PSEUDO_END (__socket)
diff --git a/sysdeps/unix/sysv/linux/arm/sysdep.h b/sysdeps/unix/sysv/linux/arm/sysdep.h
index cdb1d8e..e7caaa1 100644
--- a/sysdeps/unix/sysv/linux/arm/sysdep.h
+++ b/sysdeps/unix/sysv/linux/arm/sysdep.h
@@ -49,14 +49,13 @@
#undef PSEUDO
#define PSEUDO(name, syscall_name, args) \
.text; \
- .type syscall_error,%function; \
ENTRY (name); \
DO_CALL (syscall_name, args); \
cmn r0, $4096;
#define PSEUDO_RET \
RETINSTR(movcc, pc, lr); \
- b PLTJMP(__syscall_error)
+ b PLTJMP(SYSCALL_ERROR)
#undef ret
#define ret PSEUDO_RET
@@ -65,7 +64,22 @@
SYSCALL_ERROR_HANDLER \
END (name)
-#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
+#if NOT_IN_libc
+# define SYSCALL_ERROR __local_syscall_error
+# define SYSCALL_ERROR_HANDLER \
+__local_syscall_error: \
+ str lr, [sp, #-4]!; \
+ str r0, [sp, #-4]!; \
+ bl PLTJMP(C_SYMBOL_NAME(__errno_location)); \
+ ldr r1, [sp], #4; \
+ rsb r1, r1, #0; \
+ str r1, [r0]; \
+ mvn r0, #0; \
+ ldr pc, [sp], #4;
+#else
+# define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
+# define SYSCALL_ERROR __syscall_error
+#endif
/* Linux takes system call args in registers:
syscall number in the SWI instruction
@@ -123,7 +137,17 @@
/* Define a macro which expands into the inline wrapper code for a system
call. */
#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...) \
+#define INLINE_SYSCALL(name, nr, args...) \
+ ({ unsigned int _sys_result = INTERNAL_SYSCALL (name, nr, args); \
+ if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sys_result), 0)) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (_sys_result)); \
+ _sys_result = (unsigned int) -1; \
+ } \
+ (int) _sys_result; })
+
+#undef INTERNAL_SYSCALL
+#define INTERNAL_SYSCALL(name, nr, args...) \
({ unsigned int _sys_result; \
{ \
register int _a1 asm ("a1"); \
@@ -134,13 +158,14 @@
: "a1", "memory"); \
_sys_result = _a1; \
} \
- if (_sys_result >= (unsigned int) -4095) \
- { \
- __set_errno (-_sys_result); \
- _sys_result = (unsigned int) -1; \
- } \
(int) _sys_result; })
+#undef INTERNAL_SYSCALL_ERROR_P
+#define INTERNAL_SYSCALL_ERROR_P(val) ((unsigned int) (val) >= 0xfffff001u)
+
+#undef INTERNAL_SYSCALL_ERRNO
+#define INTERNAL_SYSCALL_ERRNO(val) (-(val))
+
#define LOAD_ARGS_0()
#define ASM_ARGS_0
#define LOAD_ARGS_1(a1) \
generated by cgit v1.1 at 2024-11-07 03:51:34 +0000