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authorRoland McGrath <roland@gnu.org>1996-06-16 03:49:40 +0000
committerRoland McGrath <roland@gnu.org>1996-06-16 03:49:40 +0000
commit5fbef188648f5150617e0a14f1011e600f1b3a0f (patch)
tree81334ea044e87bc2cf489cc8cb49adab73b9d6dd /sysdeps/unix/sysv
parentf9496a7b54c27580d4b30cc2b2b40e86738b2b81 (diff)
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* hurd/Makefile (routines): Add get-host, set-host.
	(distribute): Add hurdhost.h.
	* hurd/hurdhost.h: New file.
	* sysdeps/mach/hurd/gethostname.c: Use _hurd_get_host_config.
	* sysdeps/mach/hurd/gethostid.c: Likewise.
	* sysdeps/mach/hurd/sethostname.c: Use _hurd_set_host_config.
	* sysdeps/mach/hurd/sethostid.c: Likewise.
	* hurd/get-host.c: New file.
	* hurd/set-host.c: New file.

	* math/Makefile (headers): Add fpu_control.h.
	(aux): New variable, list fpu_control and setfpucw.
	* sysdeps/generic/fpu_control.c: New file.
	* sysdeps/stub/fpu_control.h: New file.
	* sysdeps/unix/sysv/linux/m68k/fpu_control.h: Moved to ...
	* sysdeps/m68k/fpu_control.h: here.
	* sysdeps/unix/sysv/linux/i386/fpu_control.h: Moved to ...
	* sysdeps/i386/fpu_control.h: here.
	* sysdeps/unix/sysv/linux/alpha/fpu_control.h: Moved to ...
	* sysdeps/alpha/fpu/fpu_control.h: here.  Fixed copyright.
	* sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Remove
	setfpucw, fpu_control.
	* sysdeps/unix/sysv/linux/alpha/fpu_control.c: File removed.
	* sysdeps/unix/sysv/linux/setfpucw.c: Moved to ...
	* sysdeps/generic/setfpucw.c: here.
	(__fpu_control): Variable removed.
	(__setfpucw): Use SET even if zero.
Diffstat (limited to 'sysdeps/unix/sysv')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/Makefile4
-rw-r--r--sysdeps/unix/sysv/linux/alpha/fpu_control.c21
-rw-r--r--sysdeps/unix/sysv/linux/alpha/fpu_control.h105
-rw-r--r--sysdeps/unix/sysv/linux/i386/fpu_control.h104
-rw-r--r--sysdeps/unix/sysv/linux/m68k/fpu_control.h108
-rw-r--r--sysdeps/unix/sysv/linux/setfpucw.c37
6 files changed, 2 insertions, 377 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/Makefile b/sysdeps/unix/sysv/linux/alpha/Makefile
index e6e421da9d..9d596719da 100644
--- a/sysdeps/unix/sysv/linux/alpha/Makefile
+++ b/sysdeps/unix/sysv/linux/alpha/Makefile
@@ -1,6 +1,6 @@
 ifeq ($(subdir), misc)
 sysdep_headers += alpha/ptrace.h alpha/regdef.h
 
-sysdep_routines += ieee_get_fp_control ieee_set_fp_control fpu_control \
-		   setfpucw sethae ioperm osf_sigprocmask fstatfs statfs
+sysdep_routines += ieee_get_fp_control ieee_set_fp_control \
+		   sethae ioperm osf_sigprocmask fstatfs statfs
 endif
diff --git a/sysdeps/unix/sysv/linux/alpha/fpu_control.c b/sysdeps/unix/sysv/linux/alpha/fpu_control.c
deleted file mode 100644
index 20c032a03c..0000000000
--- a/sysdeps/unix/sysv/linux/alpha/fpu_control.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
-   Contributed by David Mosberger (davidm@azstarnet.com).
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
-
-#include <fpu_control.h>
-
-fpu_control_t __fpu_control = _FPU_DEFAULT;
diff --git a/sysdeps/unix/sysv/linux/alpha/fpu_control.h b/sysdeps/unix/sysv/linux/alpha/fpu_control.h
deleted file mode 100644
index 782f33e040..0000000000
--- a/sysdeps/unix/sysv/linux/alpha/fpu_control.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/* Copyright (C) 1993  Olaf Flebbe
-This file is part of the Linux C Library.
-
-The Linux C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The Linux 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
-Library General Public License for more details.  */
-
-#ifndef _ALPHA_FPU_CONTROL_H
-#define _ALPHA_FPU_CONTROL_H
-
-/*
- * Since many programs seem to hardcode the values passed to __setfpucw()
- * (rather than using the manifest constants) we emulate the x87 interface
- * here (at least where this makes sense).
- *
- *     15-13    12  11-10  9-8     7-6     5    4    3    2    1    0
- * | reserved | IC | RC  | PC | reserved | PM | UM | OM | ZM | DM | IM
- *
- * IM: Invalid operation mask
- * DM: Denormalized operand mask
- * ZM: Zero-divide mask
- * OM: Overflow mask
- * UM: Underflow mask
- * PM: Precision (inexact result) mask
- * 
- * Mask bit is 1 means no interrupt.
- *
- * PC: Precision control
- * 11 - round to extended precision
- * 10 - round to double precision
- * 00 - round to single precision
- *
- * RC: Rounding control
- * 00 - rounding to nearest
- * 01 - rounding down (toward - infinity)
- * 10 - rounding up (toward + infinity)
- * 11 - rounding toward zero
- *
- * IC: Infinity control
- * That is for 8087 and 80287 only.
- *
- * The hardware default is 0x037f. I choose 0x1372.
- */
-
-#include <features.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_IM  0x01  
-#define _FPU_MASK_DM  0x02
-#define _FPU_MASK_ZM  0x04
-#define _FPU_MASK_OM  0x08
-#define _FPU_MASK_UM  0x10
-#define _FPU_MASK_PM  0x20
-
-/* precision control */
-#define _FPU_EXTENDED 0x300   /* RECOMMENDED */
-#define _FPU_DOUBLE   0x200
-#define _FPU_SINGLE   0x0     /* DO NOT USE */
-
-/*
- * rounding control---notice that on the Alpha this affects only
- * instructions with the dynamic rounding mode qualifier (/d).
- */
-#define _FPU_RC_NEAREST 0x000 /* RECOMMENDED */
-#define _FPU_RC_DOWN    0x400
-#define _FPU_RC_UP      0x800
-#define _FPU_RC_ZERO    0xC00
-
-#define _FPU_RESERVED 0xF0C0  /* Reserved bits in cw */
-
-
-/* Now two recommended cw */
-
-/* Linux default:
-     - extended precision
-     - rounding to positive infinity.  There is no /p instruction
-       qualifier.  By setting the dynamic rounding mode to +infinity,
-       one can use /d to get round to +infinity with no extra overhead
-       (so long as the default isn't changed, of course...)
-     - exceptions on overflow, zero divide and NaN */
-#define _FPU_DEFAULT  0x1f72 
-
-/* IEEE:  same as above, but exceptions */
-#define _FPU_IEEE     0x1f7f
-
-/* Type of the control word.  */
-typedef unsigned int fpu_control_t;
-
-/* Default control word set at startup.  */
-extern fpu_control_t __fpu_control;
-
-__BEGIN_DECLS
-
-/* called by start.o. It can be used to manipulate fpu control word. */
-extern void __setfpucw __P ((unsigned short));
-
-__END_DECLS
-
-#endif	/* _ALPHA_FPU_CONTROL */
diff --git a/sysdeps/unix/sysv/linux/i386/fpu_control.h b/sysdeps/unix/sysv/linux/i386/fpu_control.h
deleted file mode 100644
index 8c04c1ea11..0000000000
--- a/sysdeps/unix/sysv/linux/i386/fpu_control.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/* Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-Contributed by Olaf Flebbe.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#ifndef _FPU_CONTROL_H
-#define _FPU_CONTROL_H
-
-/* Here is the dirty part. Settup up your 387 through the control word
- * (cw) register.
- *
- *     15-13    12  11-10  9-8     7-6     5    4    3    2    1    0
- * | reserved | IC | RC  | PC | reserved | PM | UM | OM | ZM | DM | IM
- *
- * IM: Invalid operation mask
- * DM: Denormalized operand mask
- * ZM: Zero-divide mask
- * OM: Overflow mask
- * UM: Underflow mask
- * PM: Precision (inexact result) mask
- *
- * Mask bit is 1 means no interrupt.
- *
- * PC: Precision control
- * 11 - round to extended precision
- * 10 - round to double precision
- * 00 - round to single precision
- *
- * RC: Rounding control
- * 00 - rounding to nearest
- * 01 - rounding down (toward - infinity)
- * 10 - rounding up (toward + infinity)
- * 11 - rounding toward zero
- *
- * IC: Infinity control
- * That is for 8087 and 80287 only.
- *
- * The hardware default is 0x037f. I choose 0x1372.
- */
-
-#include <features.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_IM  0x01
-#define _FPU_MASK_DM  0x02
-#define _FPU_MASK_ZM  0x04
-#define _FPU_MASK_OM  0x08
-#define _FPU_MASK_UM  0x10
-#define _FPU_MASK_PM  0x20
-
-/* precision control */
-#define _FPU_EXTENDED 0x300
-#define _FPU_DOUBLE   0x200	/* fdlibm requires double precision */
-#define _FPU_SINGLE   0x0     /* DO NOT USE */
-
-/* rounding control */
-#define _FPU_RC_NEAREST 0x0    /* RECOMMENDED */
-#define _FPU_RC_DOWN    0x400
-#define _FPU_RC_UP      0x800
-#define _FPU_RC_ZERO    0xC00
-
-#define _FPU_RESERVED 0xF0C0  /* Reserved bits in cw */
-
-
-/* The fdlibm code requires strict IEEE double precision arithmetic,
-   and no interrupts for exceptions, rounding to nearest.  */
-
-#define _FPU_DEFAULT  0x127f
-
-/* IEEE:  same as above, but exceptions */
-#define _FPU_IEEE     0x127f
-
-/* Type of the control word.  */
-typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__HI__)));
-
-/* Macros for accessing the hardware control word.  */
-#define _FPU_GETCW(cw) __asm__ ("fnstcw %0" : "=m" (cw))
-#define _FPU_SETCW(cw) __asm__ ("fldcw %0" : : "m" (cw))
-
-/* Default control word set at startup.  */
-extern fpu_control_t __fpu_control;
-
-__BEGIN_DECLS
-
-/* Called at startup.  It can be used to manipulate fpu control register.  */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
-#endif	/* fpu_control.h */
diff --git a/sysdeps/unix/sysv/linux/m68k/fpu_control.h b/sysdeps/unix/sysv/linux/m68k/fpu_control.h
deleted file mode 100644
index 97bde853bc..0000000000
--- a/sysdeps/unix/sysv/linux/m68k/fpu_control.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* 68k FPU control word definitions.
-Copyright (C) 1996 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 Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
-
-#ifndef _FPU_CONTROL_H
-#define _FPU_CONTROL_H
-
-/*
- * Motorola floating point control register bits.
- *
- * 31-16  -> reserved (read as 0, ignored on write)
- * 15     -> enable trap for BSUN exception
- * 14     -> enable trap for SNAN exception
- * 13     -> enable trap for OPERR exception
- * 12     -> enable trap for OVFL exception
- * 11     -> enable trap for UNFL exception
- * 10     -> enable trap for DZ exception
- *  9     -> enable trap for INEX2 exception
- *  8     -> enable trap for INEX1 exception
- *  7-6   -> Precision Control
- *  5-4   -> Rounding Control
- *  3-0   -> zero (read as 0, write as 0)
- *
- *
- * Precision Control:
- * 00 - round to extended precision
- * 01 - round to single precision
- * 10 - round to double precision
- * 11 - undefined
- *
- * Rounding Control:
- * 00 - rounding to nearest (RN)
- * 01 - rounding toward zero (RZ)
- * 10 - rounding (down)toward minus infinity (RM)
- * 11 - rounding (up) toward plus infinity (RP)
- *
- * The hardware default is 0x0000. I choose 0x5400.
- */
-
-#include <features.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_BSUN  0x8000
-#define _FPU_MASK_SNAN  0x4000
-#define _FPU_MASK_OPERR 0x2000
-#define _FPU_MASK_OVFL  0x1000
-#define _FPU_MASK_UNFL  0x0800
-#define _FPU_MASK_DZ    0x0400
-#define _FPU_MASK_INEX1 0x0200
-#define _FPU_MASK_INEX2 0x0100
-
-/* precision control */
-#define _FPU_EXTENDED 0x00   /* RECOMMENDED */
-#define _FPU_DOUBLE   0x80
-#define _FPU_SINGLE   0x40     /* DO NOT USE */
-
-/* rounding control */
-#define _FPU_RC_NEAREST 0x00    /* RECOMMENDED */
-#define _FPU_RC_ZERO    0x10
-#define _FPU_RC_DOWN    0x20
-#define _FPU_RC_UP      0x30
-
-#define _FPU_RESERVED 0xFFFF000F  /* Reserved bits in fpucr */
-
-
-/* Now two recommended fpucr */
-
-/* The fdlibm code requires no interrupts for exceptions.  Don't
-   change the rounding mode, it would break long double I/O!  */
-#define _FPU_DEFAULT  0x00000000
-
-/* IEEE:  same as above, but exceptions.  We must make it non-zero so
-   that __setfpucw works.  This bit will be ignored.  */
-#define _FPU_IEEE     0x00000001
-
-/* Type of the control word.  */
-typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
-
-/* Macros for accessing the hardware control word.  */
-#define _FPU_GETCW(cw) __asm__ ("fmove%.l %!, %0" : "=dm" (cw))
-#define _FPU_SETCW(cw) __asm__ volatile ("fmove%.l %0, %!" : : "dm" (cw))
-
-/* Default control word set at startup.  */
-extern fpu_control_t __fpu_control;
-
-__BEGIN_DECLS
-
-/* Called at startup.  It can be used to manipulate fpu control register.  */
-extern void __setfpucw __P ((fpu_control_t));
-
-__END_DECLS
-
-#endif /* _M68K_FPU_CONTROL_H */
diff --git a/sysdeps/unix/sysv/linux/setfpucw.c b/sysdeps/unix/sysv/linux/setfpucw.c
deleted file mode 100644
index 47a021c587..0000000000
--- a/sysdeps/unix/sysv/linux/setfpucw.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/* Set the FPU control word.
-Copyright (C) 1996 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 Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#include "fpu_control.h"
-
-void
-__setfpucw (fpu_control_t set)
-{
-  fpu_control_t cw;
-
-  /* Fetch the current control word.  */
-  _FPU_GETCW (cw);
-
-  /* Preserve the reserved bits, and set the rest as the user
-     specified (or the default, if the user gave zero).  */
-  _FPU_SETCW ((cw & _FPU_RESERVED) | ((set ?: _FPU_DEFAULT) & ~_FPU_RESERVED));
-}
-
-/* The startup code in init-first.c calls __setfpucw (__fpu_control).  */
-
-fpu_control_t __fpu_control;