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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2017-08-27 22:00:05 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2017-08-27 22:00:23 +0200
commit2ef8d46913b10cb1cf8adddfe80ce8d1b57d4f46 (patch)
treeee366feebdfa67061abc251403a4a54e48b794d5
parent7ab70c98e87b6fbcb3c2c02075b0949ed239ad7e (diff)
downloadglibc-2ef8d46913b10cb1cf8adddfe80ce8d1b57d4f46.tar.gz
hurd: Add system-specific sysmacros.h
* sysdeps/mach/hurd/bits/sysmacros.h: New file.
-rw-r--r--ChangeLog4
-rw-r--r--sysdeps/mach/hurd/bits/sysmacros.h60
2 files changed, 64 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index bc1cf94dc3..1b0f15573a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-08-27 Samuel Thibault <samuel.thibault@ens-lyon.org>
+
+ * sysdeps/mach/hurd/bits/sysmacros.h: New file.
+
2017-08-25 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86/cpu-features.h [__ASSEMBLER__]
diff --git a/sysdeps/mach/hurd/bits/sysmacros.h b/sysdeps/mach/hurd/bits/sysmacros.h
new file mode 100644
index 0000000000..3fc68f8564
--- /dev/null
+++ b/sysdeps/mach/hurd/bits/sysmacros.h
@@ -0,0 +1,60 @@
+/* Definitions of macros to access `dev_t' values. Hurd version.
+ Copyright (C) 1996-2017 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 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _BITS_SYSMACROS_H
+#define _BITS_SYSMACROS_H 1
+
+#ifndef _SYS_SYSMACROS_H
+# error "Never include <bits/sysmacros.h> directly; use <sys/sysmacros.h> instead."
+#endif
+
+/* The Hurd version of dev_t in glibc is a 32-bit quantity, with 8-bit
+ major and 24-bit minor numbers. The encoding is mmmmMMmm, where M is a
+ hex digit of the major number and m is a hex digit of the minor number. */
+
+#define __SYSMACROS_DECLARE_MAJOR(DECL_TEMPL) \
+ DECL_TEMPL(unsigned int, major, (__dev_t __dev))
+
+#define __SYSMACROS_DEFINE_MAJOR(DECL_TEMPL) \
+ __SYSMACROS_DECLARE_MAJOR (DECL_TEMPL) \
+ { \
+ return ((__dev & (__dev_t) 0x0000ff00u) >> 8); \
+ }
+
+#define __SYSMACROS_DECLARE_MINOR(DECL_TEMPL) \
+ DECL_TEMPL(unsigned int, minor, (__dev_t __dev))
+
+#define __SYSMACROS_DEFINE_MINOR(DECL_TEMPL) \
+ __SYSMACROS_DECLARE_MINOR (DECL_TEMPL) \
+ { \
+ return (__dev & (__dev_t) 0xffff00ff); \
+ }
+
+#define __SYSMACROS_DECLARE_MAKEDEV(DECL_TEMPL) \
+ DECL_TEMPL(__dev_t, makedev, (unsigned int __major, unsigned int __minor))
+
+#define __SYSMACROS_DEFINE_MAKEDEV(DECL_TEMPL) \
+ __SYSMACROS_DECLARE_MAKEDEV (DECL_TEMPL) \
+ { \
+ __dev_t __dev; \
+ __dev = (((__dev_t) (__major & 0x000000ffu)) << 8); \
+ __dev |= (((__dev_t) (__minor & 0xffff00ffu)) << 0); \
+ return __dev; \
+ }
+
+#endif /* bits/sysmacros.h */