diff options
| -rw-r--r-- | ChangeLog | 14 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/mmap_internal.h | 29 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/mmap_internal.h | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mmap.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mmap_internal.h | 6 |
5 files changed, 48 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog index 4fb30a1d8f..fb40c4c5dc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,17 @@ +2017-12-12 Adhemerval Zanella <adhemerval.zanella@linaro.org> + Sergei Trofimovich <slyfox@inbox.ru> + + [BZ #21908] + * sysdeps/unix/sysv/linux/m68k/mmap_internal.h (MMAP2_PAGE_SHIFT): + Rename to MMAP2_PAGE_UNIT. + * sysdeps/unix/sysv/linux/ia64/mmap_internal.h: New file. + * sysdeps/unix/sysv/linux/mmap.c: Include mmap_internal iff + __OFF_T_MATCHES_OFF64_T is not defined. + * sysdeps/unix/sysv/linux/mmap_internal.h (page_unit): Declare as + uint64_t. + (MMAP2_PAGE_UNIT) [MMAP2_PAGE_UNIT == -1]: Redefine to page_unit. + (page_unit) [MMAP2_PAGE_UNIT != -1]: Remove definition. + 2017-12-12 James Clarke <jrtc27@jrtc27.com> * sysdeps/unix/sysv/linux/ia64/ipc_priv.h: New file defining diff --git a/sysdeps/unix/sysv/linux/ia64/mmap_internal.h b/sysdeps/unix/sysv/linux/ia64/mmap_internal.h new file mode 100644 index 0000000000..dbaaa3f904 --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/mmap_internal.h @@ -0,0 +1,29 @@ +/* Common mmap definition for Linux implementation. Linux/ia64 version. + Copyright (C) 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 MMAP_IA64_INTERNAL_LINUX_H +#define MMAP_IA64_INTERNAL_LINUX_H + +/* Linux allows PAGE_SHIFT in range of [12-16] and expect + mmap2 offset to be provided in based on the configured pagesize. + Determine the shift dynamically with getpagesize. */ +#define MMAP2_PAGE_UNIT -1 + +#include_next <mmap_internal.h> + +#endif diff --git a/sysdeps/unix/sysv/linux/m68k/mmap_internal.h b/sysdeps/unix/sysv/linux/m68k/mmap_internal.h index bd8bd3843b..9fe9d9127d 100644 --- a/sysdeps/unix/sysv/linux/m68k/mmap_internal.h +++ b/sysdeps/unix/sysv/linux/m68k/mmap_internal.h @@ -22,7 +22,7 @@ /* ColdFire and Sun 3 kernels have PAGE_SHIFT set to 13 and expect mmap2 offset to be provided in 8K pages. Determine the shift dynamically with getpagesize. */ -#define MMAP2_PAGE_SHIFT -1 +#define MMAP2_PAGE_UNIT -1 #include_next <mmap_internal.h> diff --git a/sysdeps/unix/sysv/linux/mmap.c b/sysdeps/unix/sysv/linux/mmap.c index 98c2f88eb8..59292b6d79 100644 --- a/sysdeps/unix/sysv/linux/mmap.c +++ b/sysdeps/unix/sysv/linux/mmap.c @@ -21,9 +21,9 @@ #include <sys/mman.h> #include <sysdep.h> #include <stdint.h> -#include <mmap_internal.h> #ifndef __OFF_T_MATCHES_OFF64_T +# include <mmap_internal.h> /* An architecture may override this. */ # ifndef MMAP_ADJUST_OFFSET diff --git a/sysdeps/unix/sysv/linux/mmap_internal.h b/sysdeps/unix/sysv/linux/mmap_internal.h index 499e389605..47c099183c 100644 --- a/sysdeps/unix/sysv/linux/mmap_internal.h +++ b/sysdeps/unix/sysv/linux/mmap_internal.h @@ -27,13 +27,13 @@ #endif #if MMAP2_PAGE_UNIT == -1 -static int page_unit; - +static uint64_t page_unit; # define MMAP_CHECK_PAGE_UNIT() \ if (page_unit == 0) \ page_unit = __getpagesize (); +# undef MMAP2_PAGE_UNIT +# define MMAP2_PAGE_UNIT page_unit #else -# define page_unit MMAP2_PAGE_UNIT # define MMAP_CHECK_PAGE_UNIT() #endif |