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Merge from mainline.
This commit is contained in:
Andreas Jaeger
parent
7676791a4a
commit
d59a10719b
16
ChangeLog
16
ChangeLog
@ -1,3 +1,19 @@
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2002-04-04 Andreas Jaeger <aj@suse.de>
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* sysdeps/x86_64/fpu/e_sqrt.c: New file.
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* sysdeps/x86_64/fpu/e_sqrtf.c: New file.
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* sysdeps/x86_64/fpu/s_fabs.c: New file.
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* sysdeps/x86_64/fpu/s_fabsf.c: New file.
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* sysdeps/x86_64/fpu/s_fabsl.c: New file.
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* sysdeps/unix/sysv/linux/x86_64/time.S: New file.
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* sysdeps/unix/sysv/linux/x86_64/gettimeofday.S: New file.
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* sysdeps/unix/sysv/linux/x86_64/gettimeofday.c: Removed.
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* sysdeps/unix/sysv/linux/x86_64/time.S: Removed.
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2002-04-04 Ulrich Drepper <drepper@redhat.com>
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* misc/dirname.c (dirname): Ignore trailing slashes at end of
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@ -1,4 +1,4 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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/* Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -16,23 +16,26 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <asm/vsyscall.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sysdep.h>
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#define _ERRNO_H 1
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#include <bits/errno.h>
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/* For the calculation see asm/vsyscall.h. */
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#define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000
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/* Get the current time of day and timezone information,
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putting it into *TV and *TZ. If TZ is NULL, *TZ is not filled.
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Returns 0 on success, -1 on errors. */
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int
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__gettimeofday (struct timeval *tv, struct timezone *tz)
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{
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/* We're using a virtual syscall here. */
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int (*__vgettimeofday)(struct timeval *, struct timezone *)
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= (int (*)(struct timeval *, struct timezone *)) VSYSCALL_ADDR (__NR_vgettimeofday);
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ENTRY (__gettimeofday)
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/* Align stack. */
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sub $0x8, %rsp
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movq $VSYSCALL_ADDR_vgettimeofday, %rax
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callq *%rax
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/* Check error return. */
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cmpl $-4095, %eax
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jae SYSCALL_ERROR_LABEL
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return __vgettimeofday (tv, tz);
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}
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L(pseudo_end):
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add $0x8, %rsp
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ret
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PSEUDO_END(__gettimeofday)
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weak_alias (__gettimeofday, gettimeofday)
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@ -1,4 +1,4 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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/* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -16,18 +16,27 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <asm/vsyscall.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sysdep.h>
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#define _ERRNO_H 1
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#include <bits/errno.h>
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/* For the calculation see asm/vsyscall.h. */
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#define VSYSCALL_ADDR_vtime 0xffffffffff600400
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/* Return the current time as a `time_t' and also put it in *T if T is
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not NULL. Time is represented as seconds from Jan 1 00:00:00 1970. */
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time_t
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time (time_t *t)
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{
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/* We're using a virtual syscall here. */
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time_t (*__vtime)(time_t * time)
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= (time_t (*)(time_t *)) VSYSCALL_ADDR (__NR_vtime);
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return __vtime (t);
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}
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ENTRY (time)
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/* Align stack. */
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sub $0x8, %rsp
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movq $VSYSCALL_ADDR_vtime, %rax
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callq *%rax
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/* Check error return. */
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cmpl $-4095, %eax
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jae SYSCALL_ERROR_LABEL
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L(pseudo_end):
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add $0x8, %rsp
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ret
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PSEUDO_END(time)
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30
sysdeps/x86_64/fpu/e_sqrt.c
Normal file
30
sysdeps/x86_64/fpu/e_sqrt.c
Normal file
@ -0,0 +1,30 @@
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/* Square root of floating point number.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <math_private.h>
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double
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__ieee754_sqrt (double x)
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{
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double res;
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asm ("sqrtsd %0, %1" : "=x" (res) : "x" (x));
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return res;
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}
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30
sysdeps/x86_64/fpu/e_sqrtf.c
Normal file
30
sysdeps/x86_64/fpu/e_sqrtf.c
Normal file
@ -0,0 +1,30 @@
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/* Square root of floating point number.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <math_private.h>
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float
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__ieee754_sqrtf (float x)
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{
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float res;
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asm ("sqrtss %0, %1" : "=x" (res) : "x" (x));
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return res;
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}
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27
sysdeps/x86_64/fpu/s_fabs.c
Normal file
27
sysdeps/x86_64/fpu/s_fabs.c
Normal file
@ -0,0 +1,27 @@
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/* Absolute value of floating point number.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <math.h>
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double
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__fabs (double x)
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{
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return __builtin_fabs (x);
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}
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weak_alias (__fabs, fabs)
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27
sysdeps/x86_64/fpu/s_fabsf.c
Normal file
27
sysdeps/x86_64/fpu/s_fabsf.c
Normal file
@ -0,0 +1,27 @@
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/* Absolute value of floating point number.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <math.h>
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float
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__fabsf (float x)
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{
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return __builtin_fabsf (x);
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}
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weak_alias (__fabsf, fabsf)
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28
sysdeps/x86_64/fpu/s_fabsl.S
Normal file
28
sysdeps/x86_64/fpu/s_fabsl.S
Normal file
@ -0,0 +1,28 @@
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/* Absolute value of floating point number.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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.text
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ENTRY(__fabsl)
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fldt 8(%rsp)
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fabs
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ret
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END(__fabsl)
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weak_alias (__fabsl, fabsl)
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