diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
-rw-r--r-- | sysdeps/unix/sysv/linux/dl-osinfo.h | 1 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/dl-vdso.c | 1 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/dl-vdso.h | 9 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/kernel-features.h | 50 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/ppoll.c | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/pselect.c | 4 |
6 files changed, 46 insertions, 23 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h b/sysdeps/unix/sysv/linux/dl-osinfo.h index 203c828b21..e3c605e4c7 100644 --- a/sysdeps/unix/sysv/linux/dl-osinfo.h +++ b/sysdeps/unix/sysv/linux/dl-osinfo.h @@ -71,6 +71,7 @@ _dl_discover_osversion (void) #define ROUND(len) (((len) + sizeof note->n_type - 1) & -sizeof note->n_type) note = ((const void *) (note + 1) + ROUND (note->n_namesz) + ROUND (note->n_descsz)); +#undef ROUND } } } diff --git a/sysdeps/unix/sysv/linux/dl-vdso.c b/sysdeps/unix/sysv/linux/dl-vdso.c index f12b4c37fd..28d4bb1d42 100644 --- a/sysdeps/unix/sysv/linux/dl-vdso.c +++ b/sysdeps/unix/sysv/linux/dl-vdso.c @@ -18,7 +18,6 @@ 02111-1307 USA. */ #include "config.h" -#include <dl-hash.h> #include <ldsodefs.h> diff --git a/sysdeps/unix/sysv/linux/dl-vdso.h b/sysdeps/unix/sysv/linux/dl-vdso.h index 0a76dbe6f3..7e433e03ab 100644 --- a/sysdeps/unix/sysv/linux/dl-vdso.h +++ b/sysdeps/unix/sysv/linux/dl-vdso.h @@ -21,9 +21,14 @@ #define _DL_VDSO_H 1 #include <assert.h> -#include <dl-hash.h> #include <ldsodefs.h> +#ifdef NDEBUG +# define CHECK_HASH(var) do {} while (0) +#else +# include <dl-hash.h> +# define CHECK_HASH(var) assert (var.hash == _dl_elf_hash (var.name)) +#endif /* Create version number record for lookup. */ #define PREPARE_VERSION(var, vname, vhash) \ @@ -31,7 +36,7 @@ var.name = vname; \ var.hidden = 1; \ var.hash = vhash; \ - assert (var.hash == _dl_elf_hash (vname)); \ + CHECK_HASH (var); \ /* We don't have a specific file where the symbol can be found. */ \ var.filename = NULL diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index f8116d8885..aab3df348e 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -428,29 +428,37 @@ # define __ASSUME_TMPFS_NAME 1 #endif -/* pselect was introduced just after 2.6.16-rc1. Due to the way the - kernel versions are advertised we can only rely on 2.6.17 to have - the code. */ -#if __LINUX_KERNEL_VERSION >= 0x020611 && !defined __x86_64__ +/* pselect/ppoll were introduced just after 2.6.16-rc1. Due to the way + the kernel versions are advertised we can only rely on 2.6.17 to have + the code. On x86_64 and SH this appeared first in 2.6.19-rc1, + on ia64 in 2.6.22-rc1 and on alpha just after 2.6.22-rc1. */ +#if __LINUX_KERNEL_VERSION >= 0x020611 \ + && ((!defined __x86_64__ && !defined __sh__ && !defined __ia64__ \ + && !defined __alpha__) \ + || (__LINUX_KERNEL_VERSION >= 0x020613 \ + && (defined __x86_64__ || defined __sh__)) \ + || (__LINUX_KERNEL_VERSION >= 0x020616 && defined __ia64__) \ + || (__LINUX_KERNEL_VERSION >= 0x020617 && defined __alpha__)) # define __ASSUME_PSELECT 1 -#endif - -/* ppoll was introduced just after 2.6.16-rc1. Due to the way the - kernel versions are advertised we can only rely on 2.6.17 to have - the code. */ -#if __LINUX_KERNEL_VERSION >= 0x020611 && !defined __x86_64__ -# define __ASSUME_PPOLL 1 +# define __ASSUME_PPOLL 1 #endif /* The *at syscalls were introduced just after 2.6.16-rc1. Due to the way the kernel versions are advertised we can only rely on 2.6.17 to have - the code. */ -#if __LINUX_KERNEL_VERSION >= 0x020611 + the code. On PPC they were introduced in 2.6.17-rc1, on SH in 2.6.19-rc1 + and on Alpha just after 2.6.22-rc1. */ +#if __LINUX_KERNEL_VERSION >= 0x020611 \ + && ((!defined __sh__ && !defined __alpha__) \ + || (__LINUX_KERNEL_VERSION >= 0x020613 && defined __sh__) \ + || (__LINUX_KERNEL_VERSION >= 0x020617 && defined __alpha__)) # define __ASSUME_ATFCTS 1 #endif /* Support for inter-process robust mutexes was added in 2.6.17. */ -#if __LINUX_KERNEL_VERSION >= 0x020611 +#if __LINUX_KERNEL_VERSION >= 0x020611 \ + && ((!defined __sh__ && !defined __alpha__) \ + || (__LINUX_KERNEL_VERSION >= 0x020613 && defined __sh__) \ + || (__LINUX_KERNEL_VERSION >= 0x020617 && defined __alpha__)) # define __ASSUME_SET_ROBUST_LIST 1 #endif @@ -459,8 +467,11 @@ # define __ASSUME_FUTEX_LOCK_PI 1 #endif -/* Support for utimensat syscall was added in 2.6.22. */ -#if __LINUX_KERNEL_VERSION >= 0x020616 +/* Support for utimensat syscall was added in 2.6.22, on alpha and s390 + only after 2.6.22-rc1. */ +#if __LINUX_KERNEL_VERSION >= 0x020616 \ + && ((!defined __sh__ && !defined __alpha__) \ + || __LINUX_KERNEL_VERSION >= 0x020617) # define __ASSUME_UTIMENSAT 1 #endif @@ -469,7 +480,10 @@ # define __ASSUME_PRIVATE_FUTEX 1 #endif -/* Support for fallocate was added in 2.6.23. */ -#if __LINUX_KERNEL_VERSION >= 0x020617 +/* Support for fallocate was added in 2.6.23, on s390 + only after 2.6.23-rc1. */ +#if __LINUX_KERNEL_VERSION >= 0x020617 \ + && ((!defined __s390__ && !defined __alpha__) \ + || (__LINUX_KERNEL_VERSION >= 0x020618 && defined __s390__)) # define __ASSUME_FALLOCATE 1 #endif diff --git a/sysdeps/unix/sysv/linux/ppoll.c b/sysdeps/unix/sysv/linux/ppoll.c index cfc86ba806..14eb3111b9 100644 --- a/sysdeps/unix/sysv/linux/ppoll.c +++ b/sysdeps/unix/sysv/linux/ppoll.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2006 Free Software Foundation, Inc. +/* Copyright (C) 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2006. @@ -26,9 +26,11 @@ #ifdef __NR_ppoll +# ifndef __ASSUME_PPOLL static int __generic_ppoll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout, const sigset_t *sigmask); +# endif int diff --git a/sysdeps/unix/sysv/linux/pselect.c b/sysdeps/unix/sysv/linux/pselect.c index 0dd744f527..f39ee920cd 100644 --- a/sysdeps/unix/sysv/linux/pselect.c +++ b/sysdeps/unix/sysv/linux/pselect.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2006 Free Software Foundation, Inc. +/* Copyright (C) 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2006. @@ -26,10 +26,12 @@ #ifdef __NR_pselect6 +# ifndef __ASSUME_PSELECT static int __generic_pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout, const sigset_t *sigmask); +# endif int |