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-rw-r--r--ChangeLog22
-rw-r--r--linuxthreads/ChangeLog5
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S29
-rw-r--r--sysdeps/powerpc/nofpu/Dist2
-rw-r--r--sysdeps/powerpc/powerpc32/atomicity.h16
-rw-r--r--sysdeps/powerpc/soft-fp/Dist2
-rw-r--r--sysdeps/unix/sysv/linux/arm/ioperm.c8
-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h4
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/Dist2
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c29
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S7
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/Dist1
15 files changed, 81 insertions, 49 deletions
diff --git a/ChangeLog b/ChangeLog
index eb9116f564..835570821a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,25 @@
+2002-07-24 Philip Blundell <philb@gnu.org>
+
+ * sysdeps/unix/sysv/linux/arm/ioperm.c (init_iosys): Yield ENODEV
+ on unknown systems.
+
+2003-02-20 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * sysdeps/powerpc/powerpc32/atomicity.h: Remove compiler workaround.
+ * sysdeps/unix/sysv/linux/kernel-features.h
+ (__ASSUME_NEW_PRCTL_SYSCALL): Defined for ppc32 too.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c: Use prctl
+ if possible.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S: Avoid short
+ interprocedure branches.
+ * sysdeps/powerpc/soft-fp/Dist (sim-full.c, fenv_const.c): Move to...
+ * sysdeps/powerpc/nofpu/Dist: ...here.
+ * sysdeps/unix/sysv/linux/powerpc/Dist (fe_nomask.c): Move to...
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist: ...here.
+ * sysdeps/unix/sysv/linux/s390/s390-64/Dist (kernel_stat.h): Delete.
+ * sysdeps/unix/sysv/linux/sparc/Dist (bits/utmpx.h): Delete.
+ * sysdeps/unix/sysv/linux/x86_64/Dist (bits/utmpx.h): Delete.
+
2003-02-18 Alan Modra <amodra@bigpond.net.au>
* sysdeps/powerpc/powerpc32/sysdep.h (HIDDEN_JUMPTARGET): Redefine.
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index f05881dd82..8a7ba0eaa3 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,8 @@
+2003-02-20 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S: Avoid short
+ interprocedure branches.
+
2003-02-19 Ulrich Drepper <drepper@redhat.com>
* specific.c (pthread_key_delete_helper): Don't use GETMEM, we
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
index 5054d5f984..ee6254a950 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -36,16 +36,15 @@ ENTRY (__vfork)
mtlr 9
lwz 10,__libc_pthread_functions@got(10)
lwz 10,0(10)
- cmpwi 10,0
- bne- HIDDEN_JUMPTARGET(__fork)
# else
.weak pthread_create
- lis 9,pthread_create@ha
- la 9,pthread_create@l(9)
- cmpwi 9,0
- bne- .Lhidden_fork
+ lis 10,pthread_create@ha
+ la 10,pthread_create@l(10)
# endif
+ cmpwi 10,0
+ bne- .Lhidden_fork
+
DO_CALL (SYS_ify (vfork));
# ifdef __ASSUME_VFORK_SYSCALL
@@ -54,28 +53,24 @@ ENTRY (__vfork)
bnslr+
/* Check if vfork syscall is known at all. */
cmpwi r3,ENOSYS
-# ifdef SHARED
- bne JUMPTARGET(__syscall_error)
-# else
- bne .Lsyscall_error
-# endif
+ bne- .Lsyscall_error
# endif
+
+.Lhidden_fork:
+ b HIDDEN_JUMPTARGET(__fork)
+
#endif
#ifndef __ASSUME_VFORK_SYSCALL
/* If we don't have vfork, fork is close enough. */
DO_CALL (SYS_ify (fork));
- PSEUDO_RET
-#endif
+ bnslr+
-# ifndef SHARED
-.Lhidden_fork:
- b HIDDEN_JUMPTARGET(__fork)
.Lsyscall_error:
b JUMPTARGET(__syscall_error)
-# endif
+#endif
PSEUDO_END (__vfork)
libc_hidden_def (__vfork)
diff --git a/sysdeps/powerpc/nofpu/Dist b/sysdeps/powerpc/nofpu/Dist
new file mode 100644
index 0000000000..cd155fdf5a
--- /dev/null
+++ b/sysdeps/powerpc/nofpu/Dist
@@ -0,0 +1,2 @@
+sim-full.c
+fenv_const.c
diff --git a/sysdeps/powerpc/powerpc32/atomicity.h b/sysdeps/powerpc/powerpc32/atomicity.h
index a3f672e5ec..253bd32673 100644
--- a/sysdeps/powerpc/powerpc32/atomicity.h
+++ b/sysdeps/powerpc/powerpc32/atomicity.h
@@ -22,13 +22,7 @@
#include <inttypes.h>
-#if BROKEN_PPC_ASM_CR0
-# define __ATOMICITY_INLINE /* nothing */
-#else
-# define __ATOMICITY_INLINE inline
-#endif
-
-static __ATOMICITY_INLINE int
+static inline int
__attribute__ ((unused))
exchange_and_add (volatile uint32_t *mem, int val)
{
@@ -42,7 +36,7 @@ exchange_and_add (volatile uint32_t *mem, int val)
return result;
}
-static __ATOMICITY_INLINE void
+static inline void
__attribute__ ((unused))
atomic_add (volatile uint32_t *mem, int val)
{
@@ -55,7 +49,7 @@ atomic_add (volatile uint32_t *mem, int val)
" : "=&b"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
}
-static __ATOMICITY_INLINE int
+static inline int
__attribute__ ((unused))
compare_and_swap (volatile long int *p, long int oldval, long int newval)
{
@@ -72,7 +66,7 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval)
return result >> 5;
}
-static __ATOMICITY_INLINE long int
+static inline long int
__attribute__ ((unused))
always_swap (volatile long int *p, long int newval)
{
@@ -85,7 +79,7 @@ always_swap (volatile long int *p, long int newval)
return result;
}
-static __ATOMICITY_INLINE int
+static inline int
__attribute__ ((unused))
test_and_set (volatile long int *p, long int newval)
{
diff --git a/sysdeps/powerpc/soft-fp/Dist b/sysdeps/powerpc/soft-fp/Dist
index 9e4152a77f..a917524129 100644
--- a/sysdeps/powerpc/soft-fp/Dist
+++ b/sysdeps/powerpc/soft-fp/Dist
@@ -25,6 +25,4 @@ q_sub.c
q_ulltoq.c
q_util.c
q_utoq.c
-sim-full.c
-fenv_const.c
sfp-machine.h
diff --git a/sysdeps/unix/sysv/linux/arm/ioperm.c b/sysdeps/unix/sysv/linux/arm/ioperm.c
index 40ac8e6038..558b485b61 100644
--- a/sysdeps/unix/sysv/linux/arm/ioperm.c
+++ b/sysdeps/unix/sysv/linux/arm/ioperm.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Phil Blundell, based on the Alpha version by
David Mosberger.
@@ -166,7 +166,7 @@ init_iosys (void)
}
/* systype is not a known platform name... */
- __set_errno (EINVAL);
+ __set_errno (ENODEV);
return -1;
}
@@ -194,8 +194,8 @@ _ioperm (unsigned long int from, unsigned long int num, int turn_on)
return -1;
io.base =
- (unsigned long int) __mmap (0, MAX_PORT << io.shift,
- PROT_READ | PROT_WRITE,
+ (unsigned long int) __mmap (0, MAX_PORT << io.shift,
+ PROT_READ | PROT_WRITE,
MAP_SHARED, fd, io.io_base);
close (fd);
if ((long) io.base == -1)
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 45cd3e59c8..239d6379b4 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -210,9 +210,9 @@
# define __ASSUME_MMAP2_SYSCALL 1
#endif
-/* Starting with 2.4.21 PowerPC64 implements the new prctl syscall.
+/* Starting with 2.4.21 PowerPC implements the new prctl syscall.
This allows applications to get/set the Floating Point Exception Mode. */
-#if __LINUX_KERNEL_VERSION >= (132096+21) && defined __powerpc64__
+#if __LINUX_KERNEL_VERSION >= (132096+21) && defined __powerpc__
# define __ASSUME_NEW_PRCTL_SYSCALL 1
#endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/Dist b/sysdeps/unix/sysv/linux/powerpc/Dist
index 507728abb1..f36d3685f6 100644
--- a/sysdeps/unix/sysv/linux/powerpc/Dist
+++ b/sysdeps/unix/sysv/linux/powerpc/Dist
@@ -1,6 +1,4 @@
-bits/utmpx.h
dl-brk.S
-fe_nomask.c
ipc_priv.h
kernel_termios.h
ldd-rewrite.sed
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist
index 381f878080..297e031620 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist
@@ -1,2 +1,3 @@
clone.S
kernel_stat.h
+fe_nomask.c
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
index e51714d312..2c85a3a9e9 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
@@ -21,7 +21,11 @@
#include <errno.h>
#include <signal.h>
#include <unistd.h>
+#include <sysdep.h>
+#include <sys/prctl.h>
+#include "kernel-features.h"
+#if __ASSUME_NEW_PRCTL_SYSCALL == 0
/* This is rather fiddly under Linux. We don't have direct access,
and there is no system call, but we can change the bits
in a signal handler's context... */
@@ -34,18 +38,31 @@ fe_nomask_handler (int signum, struct sigcontext *sc)
sc->regs->msr |= 0x900ul; /* FE0 | FE1 */
sigaction (SIGUSR1, &oact, NULL);
}
+#endif
const fenv_t *
__fe_nomask_env (void)
{
- struct sigaction act;
+#if __ASSUME_NEW_PRCTL_SYSCALL == 0
+# if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE
+ int result = INLINE_SYSCALL (prctl, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
- act.sa_handler = (sighandler_t) fe_nomask_handler;
- sigemptyset (&act.sa_mask);
- act.sa_flags = 0;
+ if (result == -1 && errno == EINVAL)
+# endif
+ {
+ struct sigaction act;
- sigaction (SIGUSR1, &act, &oact);
- raise (SIGUSR1);
+ act.sa_handler = (sighandler_t) fe_nomask_handler;
+ sigemptyset (&act.sa_mask);
+ act.sa_flags = 0;
+
+ sigaction (SIGUSR1, &act, &oact);
+ raise (SIGUSR1);
+ }
+#else
+ INTERNAL_SYSCALL_DECL (err);
+ INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
+#endif
return FE_ENABLED_ENV;
}
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
index 9a0f53e99e..5fb7868c31 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -38,7 +38,7 @@ ENTRY (__vfork)
bnslr+
/* Check if vfork syscall is known at all. */
cmpwi r3,ENOSYS
- bne JUMPTARGET(__syscall_error)
+ bne- .Lsyscall_error
# endif
#endif
@@ -47,7 +47,10 @@ ENTRY (__vfork)
/* If we don't have vfork, fork is close enough. */
DO_CALL (SYS_ify (fork))
- PSEUDO_RET
+ bnslr+
+
+.Lsyscall_error:
+ b JUMPTARGET(__syscall_error)
#endif
PSEUDO_END (__vfork)
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/Dist b/sysdeps/unix/sysv/linux/s390/s390-64/Dist
index bc32c766e1..bfd4edc372 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/Dist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/Dist
@@ -1,3 +1,2 @@
clone.S
-kernel_stat.h
ucontext_i.h
diff --git a/sysdeps/unix/sysv/linux/sparc/Dist b/sysdeps/unix/sysv/linux/sparc/Dist
index 0fea868016..174d053909 100644
--- a/sysdeps/unix/sysv/linux/sparc/Dist
+++ b/sysdeps/unix/sysv/linux/sparc/Dist
@@ -1,4 +1,3 @@
-bits/utmpx.h
kernel_termios.h
sys/trap.h
ldd-rewrite.sed
diff --git a/sysdeps/unix/sysv/linux/x86_64/Dist b/sysdeps/unix/sysv/linux/x86_64/Dist
index 0bae1286eb..57dd1b2221 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Dist
+++ b/sysdeps/unix/sysv/linux/x86_64/Dist
@@ -1,4 +1,3 @@
-bits/utmpx.h
clone.S
ldd-rewrite.sed
__start_context.S
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 03:12:03 +0000