diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux')
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/kernel-features.h | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kernel-features.h b/libpthread/nptl/sysdeps/unix/sysv/linux/kernel-features.h deleted file mode 100644 index d95ff7412..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/kernel-features.h +++ /dev/null @@ -1,437 +0,0 @@ -/* Set flags signalling availability of kernel features based on given - kernel version number. - Copyright (C) 1999-2003, 2004, 2005 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* This file must not contain any C code. At least it must be protected - to allow using the file also in assembler files. */ - -#if defined __mips__ -# include <sgidefs.h> -#endif - -#include <linux/version.h> -#define __LINUX_KERNEL_VERSION LINUX_VERSION_CODE - -/* We assume for __LINUX_KERNEL_VERSION the same encoding used in - linux/version.h. I.e., the major, minor, and subminor all get a - byte with the major number being in the highest byte. This means - we can do numeric comparisons. - - In the following we will define certain symbols depending on - whether the describes kernel feature is available in the kernel - version given by __LINUX_KERNEL_VERSION. We are not always exactly - recording the correct versions in which the features were - introduced. If somebody cares these values can afterwards be - corrected. Most of the numbers here are set corresponding to - 2.2.0. */ - -/* `getcwd' system call. */ -#if __LINUX_KERNEL_VERSION >= 131584 -# define __ASSUME_GETCWD_SYSCALL 1 -#endif - -/* Real-time signal became usable in 2.1.70. */ -#if __LINUX_KERNEL_VERSION >= 131398 -# define __ASSUME_REALTIME_SIGNALS 1 -#endif - -/* When were the `pread'/`pwrite' syscalls introduced? */ -#if __LINUX_KERNEL_VERSION >= 131584 -# define __ASSUME_PREAD_SYSCALL 1 -# define __ASSUME_PWRITE_SYSCALL 1 -#endif - -/* When was `poll' introduced? */ -#if __LINUX_KERNEL_VERSION >= 131584 -# define __ASSUME_POLL_SYSCALL 1 -#endif - -/* The `lchown' syscall was introduced in 2.1.80. */ -#if __LINUX_KERNEL_VERSION >= 131408 -# define __ASSUME_LCHOWN_SYSCALL 1 -#endif - -/* When did the `setresuid' sysall became available? */ -#if __LINUX_KERNEL_VERSION >= 131584 && !defined __sparc__ -# define __ASSUME_SETRESUID_SYSCALL 1 -#endif - -/* The SIOCGIFNAME ioctl is available starting with 2.1.50. */ -#if __LINUX_KERNEL_VERSION >= 131408 -# define __ASSUME_SIOCGIFNAME 1 -#endif - -/* MSG_NOSIGNAL was at least available with Linux 2.2.0. */ -#if __LINUX_KERNEL_VERSION >= 131584 -# define __ASSUME_MSG_NOSIGNAL 1 -#endif - -/* On x86 another `getrlimit' syscall was added in 2.3.25. */ -#if __LINUX_KERNEL_VERSION >= 131865 && defined __i386__ -# define __ASSUME_NEW_GETRLIMIT_SYSCALL 1 -#endif - -/* On x86 the truncate64/ftruncate64 syscalls were introduced in 2.3.31. */ -#if __LINUX_KERNEL_VERSION >= 131871 && defined __i386__ -# define __ASSUME_TRUNCATE64_SYSCALL 1 -#endif - -/* On x86 the mmap2 syscall was introduced in 2.3.31. */ -#if __LINUX_KERNEL_VERSION >= 131871 && defined __i386__ -# define __ASSUME_MMAP2_SYSCALL 1 -#endif - -/* On x86 the stat64/lstat64/fstat64 syscalls were introduced in 2.3.34. */ -#if __LINUX_KERNEL_VERSION >= 131874 && defined __i386__ -# define __ASSUME_STAT64_SYSCALL 1 -#endif - -/* On sparc and ARM the truncate64/ftruncate64/mmap2/stat64/lstat64/fstat64 - syscalls were introduced in 2.3.35. */ -#if __LINUX_KERNEL_VERSION >= 131875 && (defined __sparc__ || defined __arm__) -# define __ASSUME_TRUNCATE64_SYSCALL 1 -# define __ASSUME_MMAP2_SYSCALL 1 -# define __ASSUME_STAT64_SYSCALL 1 -#endif - -/* I know for sure that getrlimit are in 2.3.35 on powerpc. */ -#if __LINUX_KERNEL_VERSION >= 131875 && defined __powerpc__ -# define __ASSUME_NEW_GETRLIMIT_SYSCALL 1 -#endif - -/* I know for sure that these are in 2.3.35 on powerpc. But PowerPC64 does not - support separate 64-bit syscalls, already 64-bit */ -#if __LINUX_KERNEL_VERSION >= 131875 && defined __powerpc__ \ - && !defined __powerpc64__ -# define __ASSUME_TRUNCATE64_SYSCALL 1 -# define __ASSUME_STAT64_SYSCALL 1 -#endif - -/* Linux 2.3.39 introduced 32bit UID/GIDs. Some platforms had 32 - bit type all along. */ -#if __LINUX_KERNEL_VERSION >= 131879 || defined __powerpc__ || defined __mips__ -# define __ASSUME_32BITUIDS 1 -#endif - -/* Linux 2.3.39 sparc added setresuid. */ -#if __LINUX_KERNEL_VERSION >= 131879 && defined __sparc__ -# define __ASSUME_SETRESUID_SYSCALL 1 -#endif - -#if __LINUX_KERNEL_VERSION >= 131879 -# define __ASSUME_SETRESGID_SYSCALL 1 -#endif - -/* Linux 2.3.39 introduced IPC64. Except for powerpc. */ -#if __LINUX_KERNEL_VERSION >= 131879 && !defined __powerpc__ -# define __ASSUME_IPC64 1 -#endif - -/* MIPS platforms had IPC64 all along. */ -#if defined __mips__ -# define __ASSUME_IPC64 1 -#endif - -/* We can use the LDTs for threading with Linux 2.3.99 and newer. */ -#if __LINUX_KERNEL_VERSION >= 131939 -# define __ASSUME_LDT_WORKS 1 -#endif - -/* Linux 2.4.0 on PPC introduced a correct IPC64. But PowerPC64 does not - support a separate 64-bit sys call, already 64-bit */ -#if __LINUX_KERNEL_VERSION >= 132096 && defined __powerpc__ \ - && !defined __powerpc64__ -# define __ASSUME_IPC64 1 -#endif - -/* SH kernels got stat64, mmap2, and truncate64 during 2.4.0-test. */ -#if __LINUX_KERNEL_VERSION >= 132096 && defined __sh__ -# define __ASSUME_TRUNCATE64_SYSCALL 1 -# define __ASSUME_MMAP2_SYSCALL 1 -# define __ASSUME_STAT64_SYSCALL 1 -#endif - -/* The changed st_ino field appeared in 2.4.0-test6. But we cannot - distinguish this version from other 2.4.0 releases. Therefore play - save and assume it available is for 2.4.1 and up. However, SH is lame, - and still does not have a 64-bit inode field. */ -#if __LINUX_KERNEL_VERSION >= 132097 && !defined __alpha__ && !defined __sh__ -# define __ASSUME_ST_INO_64_BIT 1 -#endif - -/* To support locking of large files a new fcntl() syscall was introduced - in 2.4.0-test7. We test for 2.4.1 for the earliest version we know - the syscall is available. */ -#if __LINUX_KERNEL_VERSION >= 132097 && (defined __i386__ || defined __sparc__) -# define __ASSUME_FCNTL64 1 -#endif - -/* The AT_CLKTCK auxiliary vector entry was introduction in the 2.4.0 - series. */ -#if __LINUX_KERNEL_VERSION >= 132097 -# define __ASSUME_AT_CLKTCK 1 -#endif - -/* Arm got fcntl64 in 2.4.4, PowerPC and SH have it also in 2.4.4 (I - don't know when it got introduced). But PowerPC64 does not support - separate FCNTL64 call, FCNTL is already 64-bit */ -#if __LINUX_KERNEL_VERSION >= 132100 \ - && (defined __arm__ || defined __powerpc__ || defined __sh__) \ - && !defined __powerpc64__ -# define __ASSUME_FCNTL64 1 -#endif - -/* The getdents64 syscall was introduced in 2.4.0-test7. We test for - 2.4.1 for the earliest version we know the syscall is available. */ -#if __LINUX_KERNEL_VERSION >= 132097 -# define __ASSUME_GETDENTS64_SYSCALL 1 -#endif - -/* When did O_DIRECTORY became available? Early in 2.3 but when? - Be safe, use 2.3.99. */ -#if __LINUX_KERNEL_VERSION >= 131939 -# define __ASSUME_O_DIRECTORY 1 -#endif - -/* Starting with one of the 2.4.0 pre-releases the Linux kernel passes - up the page size information. */ -#if __LINUX_KERNEL_VERSION >= 132097 -# define __ASSUME_AT_PAGESIZE 1 -#endif - -/* Starting with at least 2.4.0 the kernel passes the uid/gid unconditionally - up to the child. */ -#if __LINUX_KERNEL_VERSION >= 132097 -# define __ASSUME_AT_XID 1 -#endif - -/* Starting with 2.4.5 kernels PPC passes the AUXV in the standard way - and the vfork syscall made it into the official kernel. */ -#if __LINUX_KERNEL_VERSION >= (132096+5) && defined __powerpc__ -# define __ASSUME_STD_AUXV 1 -# define __ASSUME_VFORK_SYSCALL 1 -#endif - -/* Starting with 2.4.5 kernels the mmap2 syscall made it into the official - kernel. But PowerPC64 does not support a separate MMAP2 call. */ -#if __LINUX_KERNEL_VERSION >= (132096+5) && defined __powerpc__ \ - && !defined __powerpc64__ -# define __ASSUME_MMAP2_SYSCALL 1 -#endif - -/* Starting with 2.4.21 PowerPC implements the new prctl syscall. - This allows applications to get/set the Floating Point Exception Mode. */ -#if __LINUX_KERNEL_VERSION >= (132096+21) && defined __powerpc__ -# define __ASSUME_NEW_PRCTL_SYSCALL 1 -#endif - -/* Starting with 2.4.21 the PowerPC32 clone syscall works as expected. */ -#if __LINUX_KERNEL_VERSION >= (132096+21) && defined __powerpc__ \ - && !defined __powerpc64__ -# define __ASSUME_FIXED_CLONE_SYSCALL 1 -#endif - -/* Starting with 2.4.21 PowerPC64 implements the new rt_sigreturn syscall. - The new rt_sigreturn takes an ucontext pointer allowing rt_sigreturn - to be used in the set/swapcontext implementation. */ -#if __LINUX_KERNEL_VERSION >= (132096+21) && defined __powerpc64__ -# define __ASSUME_NEW_RT_SIGRETURN_SYSCALL 1 -#endif - -/* On x86, the set_thread_area syscall was introduced in 2.5.29, but its - semantics was changed in 2.5.30, and again after 2.5.31. */ -#if __LINUX_KERNEL_VERSION >= 132384 && defined __i386__ -# define __ASSUME_SET_THREAD_AREA_SYSCALL 1 -#endif - -/* The vfork syscall on x86 and arm was definitely available in 2.4. */ -#if __LINUX_KERNEL_VERSION >= 132097 && (defined __i386__ || defined __arm__) -# define __ASSUME_VFORK_SYSCALL 1 -#endif - -/* There are an infinite number of PA-RISC kernel versions numbered - 2.4.0. But they've not really been released as such. We require - and expect the final version here. */ -#ifdef __hppa__ -# define __ASSUME_32BITUIDS 1 -# define __ASSUME_TRUNCATE64_SYSCALL 1 -# define __ASSUME_MMAP2_SYSCALL 1 -# define __ASSUME_STAT64_SYSCALL 1 -# define __ASSUME_IPC64 1 -# define __ASSUME_ST_INO_64_BIT 1 -# define __ASSUME_FCNTL64 1 -# define __ASSUME_GETDENTS64_SYSCALL 1 -#endif - -/* Alpha switched to a 64-bit timeval sometime before 2.2.0. */ -#if __LINUX_KERNEL_VERSION >= 131584 && defined __alpha__ -# define __ASSUME_TIMEVAL64 1 -#endif - -#if defined __mips__ && _MIPS_SIM == _ABIN32 -# define __ASSUME_FCNTL64 1 -#endif - -/* The late 2.5 kernels saw a lot of new CLONE_* flags. Summarize - their availability with one define. The changes were made first - for i386 and the have to be done separately for the other archs. - For i386 we pick 2.5.50 as the first version with support. */ -#if __LINUX_KERNEL_VERSION >= 132402 && defined __i386__ -# define __ASSUME_CLONE_THREAD_FLAGS 1 -#endif - -/* These features were surely available with 2.4.12. */ -#if __LINUX_KERNEL_VERSION >= 132108 && defined __mc68000__ -# define __ASSUME_MMAP2_SYSCALL 1 -# define __ASSUME_TRUNCATE64_SYSCALL 1 -# define __ASSUME_STAT64_SYSCALL 1 -# define __ASSUME_FCNTL64 1 -# define __ASSUME_VFORK_SYSCALL 1 -#endif - -/* Beginning with 2.5.63 support for realtime and monotonic clocks and - timers based on them is available. */ -#if __LINUX_KERNEL_VERSION >= 132415 -# define __ASSUME_POSIX_TIMERS 1 -#endif - -/* The late 2.5 kernels saw a lot of new CLONE_* flags. Summarize - their availability with one define. The changes were made first - for i386 and the have to be done separately for the other archs. - For ia64, s390*, PPC, x86-64 we pick 2.5.64 as the first version - with support. */ -#if __LINUX_KERNEL_VERSION >= 132416 \ - && (defined __ia64__ || defined __s390__ || defined __powerpc__ \ - || defined __x86_64__ || defined __sh__) -# define __ASSUME_CLONE_THREAD_FLAGS 1 -#endif - -/* With kernel 2.4.17 we always have netlink support. */ -#if __LINUX_KERNEL_VERSION >= (132096+17) -# define __ASSUME_NETLINK_SUPPORT 1 -#endif - -/* The requeue futex functionality was introduced in 2.5.70. */ -#if __LINUX_KERNEL_VERSION >= 132422 -# define __ASSUME_FUTEX_REQUEUE 1 -#endif - -/* The statfs64 syscalls are available in 2.5.74. */ -#if __LINUX_KERNEL_VERSION >= 132426 -# define __ASSUME_STATFS64 1 -#endif - -/* Starting with at least 2.5.74 the kernel passes the setuid-like exec - flag unconditionally up to the child. */ -#if __LINUX_KERNEL_VERSION >= 132426 -# define __ASSUME_AT_SECURE 1 -#endif - -/* Starting with the 2.5.75 kernel the kernel fills in the correct value - in the si_pid field passed as part of the siginfo_t struct to signal - handlers. */ -#if __LINUX_KERNEL_VERSION >= 132427 -# define __ASSUME_CORRECT_SI_PID 1 -#endif - -/* The tgkill syscall was instroduced for i386 in 2.5.75. For Alpha - it was introduced in 2.6.0-test1 which unfortunately cannot be - distinguished from 2.6.0. On x86-64, ppc, and ppc64 it was - introduced in 2.6.0-test3. */ -#if (__LINUX_KERNEL_VERSION >= 132427 && defined __i386__) \ - || (__LINUX_KERNEL_VERSION >= 132609 && defined __alpha__) \ - || (__LINUX_KERNEL_VERSION >= 132609 && defined __x86_64__) \ - || (__LINUX_KERNEL_VERSION >= 132609 && defined __powerpc__) \ - || (__LINUX_KERNEL_VERSION >= 132609 && defined __sh__) -# define __ASSUME_TGKILL 1 -#endif - -/* The utimes syscall has been available for some architectures - forever. For x86 it was introduced after 2.5.75, for x86-64, - ppc, and ppc64 it was introduced in 2.6.0-test3. */ -#if defined __alpha__ || defined __ia64__ || defined __hppa__ \ - || defined __sparc__ \ - || (__LINUX_KERNEL_VERSION > 132427 && defined __i386__) \ - || (__LINUX_KERNEL_VERSION > 132609 && defined __x86_64__) \ - || (__LINUX_KERNEL_VERSION >= 132609 && defined __powerpc__) \ - || (__LINUX_KERNEL_VERSION >= 132609 && defined __sh__) -# define __ASSUME_UTIMES 1 -#endif - -// XXX Disabled for now since the semantics we want is not achieved. -#if 0 -/* The CLONE_STOPPED flag was introduced in the 2.6.0-test1 series. */ -#if __LINUX_KERNEL_VERSION >= 132609 -# define __ASSUME_CLONE_STOPPED 1 -#endif -#endif - -/* The fixed version of the posix_fadvise64 syscall appeared in - 2.6.0-test3. At least for x86. Powerpc support appeared in - 2.6.2, but for 32-bit userspace only. */ -#if (__LINUX_KERNEL_VERSION >= 132609 && defined __i386__) \ - || (__LINUX_KERNEL_VERSION >= 132610 && defined __powerpc__ \ - && !defined __powerpc64__) -# define __ASSUME_FADVISE64_64_SYSCALL 1 -#endif - -/* The PROT_GROWSDOWN/PROT_GROWSUP flags were introduced in the 2.6.0-test - series. */ -#if __LINUX_KERNEL_VERSION >= 132609 -# define __ASSUME_PROT_GROWSUPDOWN 1 -#endif - -/* Starting with 2.6.0 PowerPC adds signal/swapcontext support for Vector - SIMD (AKA Altivec, VMX) instructions and register state. This changes - the overall size of the sigcontext and adds the swapcontext syscall. */ -#if __LINUX_KERNEL_VERSION >= 132608 && defined __powerpc__ -# define __ASSUME_SWAPCONTEXT_SYSCALL 1 -#endif - -/* The CLONE_DETACHED flag is not necessary in 2.6.2 kernels, it is - implied. */ -#if __LINUX_KERNEL_VERSION >= 132610 -# define __ASSUME_NO_CLONE_DETACHED 1 -#endif - -/* Starting with version 2.6.4-rc1 the getdents syscall returns d_type - information as well and in between 2.6.5 and 2.6.8 most compat wrappers - were fixed too. Except s390{,x} which was fixed in 2.6.11. */ -#if (__LINUX_KERNEL_VERSION >= 0x020608 && !defined __s390__) \ - || (__LINUX_KERNEL_VERSION >= 0x02060b && defined __s390__) -# define __ASSUME_GETDENTS32_D_TYPE 1 -#endif - -/* Starting with version 2.5.3, the initial location returned by `brk' - after exec is always rounded up to the next page. */ -#if __LINUX_KERNEL_VERSION >= 132355 -# define __ASSUME_BRK_PAGE_ROUNDED 1 -#endif - -/* Starting with version 2.6.9, the waitid system call is available. - Except for powerpc and powerpc64, where it is available in 2.6.12. */ -#if (__LINUX_KERNEL_VERSION >= 0x020609 && !defined __powerpc__) \ - || (__LINUX_KERNEL_VERSION >= 0x02060c && defined __powerpc__) -# define __ASSUME_WAITID_SYSCALL 1 -#endif - -/* Starting with version 2.6.9, SSI_IEEE_RAISE_EXCEPTION exists. */ -#if __LINUX_KERNEL_VERSION >= 0x020609 && defined __alpha__ -#define __ASSUME_IEEE_RAISE_EXCEPTION 1 -#endif |