diff options
Diffstat (limited to 'sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/sysmacros.h')
| -rw-r--r-- | sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/sysmacros.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/sysmacros.h b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/sysmacros.h new file mode 100644 index 0000000000..74095a247c --- /dev/null +++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sys/sysmacros.h @@ -0,0 +1,107 @@ +/* Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008. + + 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. */ + +#ifndef _SYS_SYSMACROS_H +#define _SYS_SYSMACROS_H + +#include <features.h> +#include <sys/isa_defs.h> + +#ifdef __USE_MISC + +# define dtob(DD) ((DD) << DEV_BSHIFT) +# define btod(BB) (((BB) + DEV_BSIZE - 1) >> DEV_BSHIFT) +# define btodt(BB) ((BB) >> DEV_BSHIFT) +# define lbtod(BB) (((offset_t)(BB) + DEV_BSIZE - 1) >> DEV_BSHIFT) + +# define O_BITSMAJOR 7 +# define O_BITSMINOR 8 +# define O_MAXMAJ 0x7f +# define O_MAXMIN 0xff +# define L_BITSMAJOR32 14 +# define L_BITSMINOR32 18 +# define L_MAXMAJ32 0x3fff +# define L_MAXMIN32 0x3ffff + +# ifdef _LP64 +# define L_BITSMAJOR 32 +# define L_BITSMINOR 32 +# define L_MAXMAJ 0xfffffffful +# define L_MAXMIN 0xfffffffful +# else +# define L_BITSMAJOR L_BITSMAJOR32 +# define L_BITSMINOR L_BITSMINOR32 +# define L_MAXMAJ L_MAXMAJ32 +# define L_MAXMIN L_MAXMIN32 +# endif + +# define major(x) (major_t)(((dev_t)(x)) >> L_BITSMINOR) +# define getmajor(x) major(x) +# define minor(x) (minor_t)((x) & L_MAXMIN) +# define getminor(x) minor(x) + +# define makedev(x, y) (dev_t)(((dev_t)(x) << L_BITSMINOR) | \ + ((y) & L_MAXMIN)) +# define makedevice(x, y) makedev(x, y) + +# define emajor(x) (major_t)(((unsigned int)(x) >> O_BITSMINOR) > \ + O_MAXMAJ) ? NODEV : (((unsigned int)(x) >> O_BITSMINOR) & O_MAXMAJ) +# define eminor(x) (minor_t)((x) & O_MAXMIN) + +# define cmpdev(x) (o_dev_t)((((x) >> L_BITSMINOR) > O_MAXMAJ || \ + ((x) & L_MAXMIN) > O_MAXMIN) ? NODEV : \ + ((((x) >> L_BITSMINOR) << O_BITSMINOR) | ((x) & O_MAXMIN))) +# define expdev(x) (dev_t)(((dev_t)(((x) >> O_BITSMINOR) & O_MAXMAJ) << \ + L_BITSMINOR) | ((x) & O_MAXMIN)) + +# define howmany(x, y) (((x)+((y)-1))/(y)) +# define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) + +# define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0) +# define ISP2(x) (((x) & ((x) - 1)) == 0) + +# define P2ALIGN(x, align) ((x) & -(align)) +# define P2PHASE(x, align) ((x) & ((align) - 1)) +# define P2NPHASE(x, align) (-(x) & ((align) - 1)) +# define P2ROUNDUP(x, align) (-(-(x) & -(align))) +# define P2END(x, align) (-(~(x) & -(align))) +# define P2PHASEUP(x, align, phase) ((phase) - (((phase) - (x)) & -(align))) +# define P2CROSS(x, y, align) (((x) ^ (y)) > (align) - 1) +# define P2SAMEHIGHBIT(x, y) (((x) ^ (y)) < ((x) & (y))) + +# define P2ALIGN_TYPED(x, align, type) ((type)(x) & -(type)(align)) +# define P2PHASE_TYPED(x, align, type) ((type)(x) & ((type)(align) - 1)) +# define P2NPHASE_TYPED(x, align, type) (-(type)(x) & ((type)(align) - 1)) +# define P2ROUNDUP_TYPED(x, align, type) (-(-(type)(x) & -(type)(align))) +# define P2END_TYPED(x, align, type) (-(~(type)(x) & -(type)(align))) +# define P2PHASEUP_TYPED(x, align, phase, type) ((type)(phase) - \ + (((type)(phase) - (type)(x)) & -(type)(align))) +# define P2CROSS_TYPED(x, y, align, type) (((type)(x) ^ (type)(y)) > \ + (type)(align) - 1) +# define P2SAMEHIGHBIT_TYPED(x, y, type) (((type)(x) ^ (type)(y)) < \ + ((type)(x) & (type)(y))) + +/* For compatibility with GNU/Linux. */ +# define gnu_dev_major(dev) major (dev) +# define gnu_dev_minor(dev) minor (dev) +# define gnu_dev_makedev(maj, min) makedev (maj, min) + +#endif /* __USE_MISC */ + +#endif /* _SYS_SYSMACROS_H */ |