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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/stub
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/stub')
-rw-r--r--sysdeps/stub/fpu_control.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/stub/fpu_control.h b/sysdeps/stub/fpu_control.h
new file mode 100644
index 0000000000..65f58824ae
--- /dev/null
+++ b/sysdeps/stub/fpu_control.h
@@ -0,0 +1,46 @@
+/* FPU control word definitions.  Stub version.
+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
+
+#define _FPU_RESERVED ???	/* These bits are reserved are not changed.  */
+
+/* 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 /* Default value.  */
+
+/* Type of the control word.  */
+typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__?I__)));
+
+/* Macros for accessing the hardware control word.  */
+#define _FPU_GETCW(cw) __asm__ ("fetch fpu control word into %0" : "=g" (cw))
+#define _FPU_SETCW(cw) __asm__ ("set fpu control word to %0" : : "g" (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 */