+2002-04-04 Andreas Jaeger <aj@suse.de>
+
+ * sysdeps/x86_64/fpu/e_sqrt.c: New file.
+ * sysdeps/x86_64/fpu/e_sqrtf.c: New file.
+
+ * sysdeps/x86_64/fpu/s_fabs.c: New file.
+ * sysdeps/x86_64/fpu/s_fabsf.c: New file.
+ * sysdeps/x86_64/fpu/s_fabsl.c: New file.
+
+ * sysdeps/unix/sysv/linux/x86_64/time.S: New file.
+
+ * sysdeps/unix/sysv/linux/x86_64/gettimeofday.S: New file.
+
+ * sysdeps/unix/sysv/linux/x86_64/gettimeofday.c: Removed.
+ * sysdeps/unix/sysv/linux/x86_64/time.S: Removed.
+
2002-04-04 Ulrich Drepper <drepper@redhat.com>
* misc/dirname.c (dirname): Ignore trailing slashes at end of
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2002 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
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <asm/vsyscall.h>
-#include <time.h>
-#include <sys/time.h>
+#include <sysdep.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+/* For the calculation see asm/vsyscall.h. */
+#define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000
-/* Get the current time of day and timezone information,
- putting it into *TV and *TZ. If TZ is NULL, *TZ is not filled.
- Returns 0 on success, -1 on errors. */
-int
-__gettimeofday (struct timeval *tv, struct timezone *tz)
-{
- /* We're using a virtual syscall here. */
- int (*__vgettimeofday)(struct timeval *, struct timezone *)
- = (int (*)(struct timeval *, struct timezone *)) VSYSCALL_ADDR (__NR_vgettimeofday);
+ENTRY (__gettimeofday)
+ /* Align stack. */
+ sub $0x8, %rsp
+ movq $VSYSCALL_ADDR_vgettimeofday, %rax
+ callq *%rax
+ /* Check error return. */
+ cmpl $-4095, %eax
+ jae SYSCALL_ERROR_LABEL
- return __vgettimeofday (tv, tz);
-}
+L(pseudo_end):
+ add $0x8, %rsp
+ ret
+PSEUDO_END(__gettimeofday)
weak_alias (__gettimeofday, gettimeofday)
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002 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
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <asm/vsyscall.h>
-#include <time.h>
-#include <sys/time.h>
+#include <sysdep.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+
+/* For the calculation see asm/vsyscall.h. */
+#define VSYSCALL_ADDR_vtime 0xffffffffff600400
+
/* Return the current time as a `time_t' and also put it in *T if T is
not NULL. Time is represented as seconds from Jan 1 00:00:00 1970. */
-time_t
-time (time_t *t)
-{
- /* We're using a virtual syscall here. */
- time_t (*__vtime)(time_t * time)
- = (time_t (*)(time_t *)) VSYSCALL_ADDR (__NR_vtime);
-
- return __vtime (t);
-}
+
+ENTRY (time)
+ /* Align stack. */
+ sub $0x8, %rsp
+ movq $VSYSCALL_ADDR_vtime, %rax
+ callq *%rax
+ /* Check error return. */
+ cmpl $-4095, %eax
+ jae SYSCALL_ERROR_LABEL
+
+L(pseudo_end):
+ add $0x8, %rsp
+ ret
+PSEUDO_END(time)
--- /dev/null
+/* Square root of floating point number.
+ Copyright (C) 2002 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. */
+
+#include <math_private.h>
+
+double
+__ieee754_sqrt (double x)
+{
+ double res;
+
+ asm ("sqrtsd %0, %1" : "=x" (res) : "x" (x));
+
+ return res;
+}
--- /dev/null
+/* Square root of floating point number.
+ Copyright (C) 2002 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. */
+
+#include <math_private.h>
+
+float
+__ieee754_sqrtf (float x)
+{
+ float res;
+
+ asm ("sqrtss %0, %1" : "=x" (res) : "x" (x));
+
+ return res;
+}
--- /dev/null
+/* Absolute value of floating point number.
+ Copyright (C) 2002 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. */
+
+#include <math.h>
+
+double
+__fabs (double x)
+{
+ return __builtin_fabs (x);
+}
+weak_alias (__fabs, fabs)
--- /dev/null
+/* Absolute value of floating point number.
+ Copyright (C) 2002 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. */
+
+#include <math.h>
+
+float
+__fabsf (float x)
+{
+ return __builtin_fabsf (x);
+}
+weak_alias (__fabsf, fabsf)
--- /dev/null
+/* Absolute value of floating point number.
+ Copyright (C) 2002 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. */
+
+#include <sysdep.h>
+
+ .text
+ENTRY(__fabsl)
+ fldt 8(%rsp)
+ fabs
+ ret
+END(__fabsl)
+weak_alias (__fabsl, fabsl)
projects / thirdparty / glibc.git / commitdiff
