From 5fbef188648f5150617e0a14f1011e600f1b3a0f Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sun, 16 Jun 1996 03:49:40 +0000 Subject: * 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. --- sysdeps/unix/sysv/linux/alpha/Makefile | 4 +- sysdeps/unix/sysv/linux/alpha/fpu_control.c | 21 ------ sysdeps/unix/sysv/linux/alpha/fpu_control.h | 105 --------------------------- sysdeps/unix/sysv/linux/i386/fpu_control.h | 104 --------------------------- sysdeps/unix/sysv/linux/m68k/fpu_control.h | 108 ---------------------------- sysdeps/unix/sysv/linux/setfpucw.c | 37 ---------- 6 files changed, 2 insertions(+), 377 deletions(-) delete mode 100644 sysdeps/unix/sysv/linux/alpha/fpu_control.c delete mode 100644 sysdeps/unix/sysv/linux/alpha/fpu_control.h delete mode 100644 sysdeps/unix/sysv/linux/i386/fpu_control.h delete mode 100644 sysdeps/unix/sysv/linux/m68k/fpu_control.h delete mode 100644 sysdeps/unix/sysv/linux/setfpucw.c (limited to 'sysdeps/unix/sysv/linux') 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_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 - -/* 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 - -/* 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 - -/* 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; -- cgit v1.2.3