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Remove pre-2.4.21 Linux kernel support.

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This commit is contained in:
Joseph Myers
2012-07-25 21:19:13 +00:00
parent 842a39cd1a
commit 89b4b02f42
23 changed files with 188 additions and 519 deletions
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37
sysdeps/unix/sysv/linux/kernel-features.h
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@ -91,8 +91,7 @@
/* 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 __powerpc__ || defined __sh__) \
#if (defined __powerpc__ || defined __sh__) \
&& !defined __powerpc64__
# define __ASSUME_FCNTL64 1
#endif
@ -101,39 +100,18 @@
MIPS n32). */
#define __ASSUME_GETDENTS64_SYSCALL 1
/* 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
/* Starting with 2.4.5 kernels the vfork syscall made it into the
official kernel for PPC. */
#ifdef __powerpc__
# 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__
#if 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__
@ -169,11 +147,6 @@
# define __ASSUME_POSIX_CPU_TIMERS 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