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Remove pre-2.4.1 Linux kernel support.
This commit is contained in:
Joseph Myers
parent
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commit
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22
ChangeLog
22
ChangeLog
@ -1,3 +1,25 @@
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2012-07-12 Joseph Myers <joseph@codesourcery.com>
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[BZ #13717]
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* sysdeps/unix/sysv/linux/configure.in (arch_minimum_kernel):
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Change to 2.4.1 where previously 2.4.0.
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* sysdeps/unix/sysv/linux/configure: Regenerated.
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* sysdeps/unix/sysv/linux/kernel-features.h [!__sh__]
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(__ASSUME_ST_INO_64_BIT): Do not condition definition on kernel
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version.
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[__i386__ || __sparc__] (__ASSUME_FCNTL64): Likewise.
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(__ASSUME_AT_CLKTCK): Remove.
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(__ASSUME_AT_PAGESIZE): Likewise.
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(__ASSUME_AT_XID): Likewise.
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(__ASSUME_GETDENTS64_SYSCALL): Define unconditionally.
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[__i386__] (__ASSUME_VFORK_SYSCALL): Define unconditionally.
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* sysdeps/unix/sysv/linux/ldsodefs.h (HAVE_AUX_XID): Define
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unconditionally.
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(HAVE_AUX_PAGESIZE): Likewise.
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* sysdeps/unix/sysv/linux/prof-freq.c (__profile_frequency)
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[__ASSUME_AT_CLKTCK]: Make code unconditional.
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[!__ASSUME_AT_CLKTCK]: Remove conditional code.
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2012-07-12 Jeroen van Bemmel <jvb127@gmail.com>
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[BZ #14307]
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@ -1,3 +1,10 @@
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2012-07-12 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/unix/sysv/linux/arm/kernel-features.h
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(__ASSUME_MMAP2_SYSCALL): Define unconditionally.
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(__ASSUME_STAT64_SYSCALL): Likewise.
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(__ASSUME_VFORK_SYSCALL): Likewise.
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2012-07-10 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/arm/sysdep.h (ENTRY): Change ASM_GLOBAL_DIRECTIVE to
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@ -24,10 +24,8 @@
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/* On ARM the mmap2/stat64/lstat64/fstat64 syscalls were introduced in
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2.3.35. */
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#if __LINUX_KERNEL_VERSION >= 131875
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# define __ASSUME_MMAP2_SYSCALL 1
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# define __ASSUME_STAT64_SYSCALL 1
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#endif
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#define __ASSUME_MMAP2_SYSCALL 1
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#define __ASSUME_STAT64_SYSCALL 1
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/* Arm got fcntl64 in 2.4.4. */
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#if __LINUX_KERNEL_VERSION >= 132100
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@ -35,9 +33,7 @@
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#endif
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/* The vfork syscall on arm was definitely available in 2.4. */
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#if __LINUX_KERNEL_VERSION >= 132097
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# define __ASSUME_VFORK_SYSCALL 1
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#endif
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#define __ASSUME_VFORK_SYSCALL 1
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/* The signal frame layout changed in 2.6.18. */
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#if __LINUX_KERNEL_VERSION >= 132626
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14
sysdeps/unix/sysv/linux/configure
vendored
14
sysdeps/unix/sysv/linux/configure
vendored
@ -284,25 +284,25 @@ test -n "$arch_minimum_kernel" ||
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case "$machine" in
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i386*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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powerpc/powerpc32)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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powerpc/powerpc64)
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arch_minimum_kernel=2.4.21
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;;
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s390/s390-32)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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s390/s390-64)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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sh*)
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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libc_cv_gcc_unwind_find_fde=yes
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;;
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sparc/sparc64*)
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@ -311,10 +311,10 @@ case "$machine" in
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;;
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sparc*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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*)
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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esac
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if test -n "$minimum_kernel"; then
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@ -41,25 +41,25 @@ test -n "$arch_minimum_kernel" ||
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case "$machine" in
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i386*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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powerpc/powerpc32)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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powerpc/powerpc64)
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arch_minimum_kernel=2.4.21
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;;
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s390/s390-32)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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s390/s390-64)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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sh*)
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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libc_cv_gcc_unwind_find_fde=yes
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;;
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sparc/sparc64*)
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@ -68,10 +68,10 @@ case "$machine" in
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;;
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sparc*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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*)
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arch_minimum_kernel=2.4.0
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arch_minimum_kernel=2.4.1
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;;
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esac
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if test -n "$minimum_kernel"; then
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@ -76,27 +76,18 @@
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# define __ASSUME_STAT64_SYSCALL 1
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#endif
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/* The changed st_ino field appeared in 2.4.0-test6. But we cannot
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distinguish this version from other 2.4.0 releases. Therefore play
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save and assume it available is for 2.4.1 and up. However, SH is lame,
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/* The changed st_ino field appeared in 2.4.0-test6. However, SH is lame,
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and still does not have a 64-bit inode field. */
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#if __LINUX_KERNEL_VERSION >= 132097 && !defined __sh__
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#ifndef __sh__
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# define __ASSUME_ST_INO_64_BIT 1
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#endif
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/* To support locking of large files a new fcntl() syscall was introduced
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in 2.4.0-test7. We test for 2.4.1 for the earliest version we know
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the syscall is available. */
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#if __LINUX_KERNEL_VERSION >= 132097 && (defined __i386__ || defined __sparc__)
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in 2.4.0-test7. */
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#if defined __i386__ || defined __sparc__
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# define __ASSUME_FCNTL64 1
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#endif
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/* The AT_CLKTCK auxiliary vector entry was introduction in the 2.4.0
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series. */
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#if __LINUX_KERNEL_VERSION >= 132097
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# define __ASSUME_AT_CLKTCK 1
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#endif
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/* Arm got fcntl64 in 2.4.4, PowerPC and SH have it also in 2.4.4 (I
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don't know when it got introduced). But PowerPC64 does not support
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separate FCNTL64 call, FCNTL is already 64-bit */
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@ -106,23 +97,9 @@
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# define __ASSUME_FCNTL64 1
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#endif
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/* The getdents64 syscall was introduced in 2.4.0-test7. We test for
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2.4.1 for the earliest version we know the syscall is available. */
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#if __LINUX_KERNEL_VERSION >= 132097
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# define __ASSUME_GETDENTS64_SYSCALL 1
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#endif
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/* Starting with one of the 2.4.0 pre-releases the Linux kernel passes
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up the page size information. */
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#if __LINUX_KERNEL_VERSION >= 132097
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# define __ASSUME_AT_PAGESIZE 1
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#endif
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/* Starting with at least 2.4.0 the kernel passes the uid/gid unconditionally
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up to the child. */
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#if __LINUX_KERNEL_VERSION >= 132097
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# define __ASSUME_AT_XID 1
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#endif
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/* The getdents64 syscall was introduced in 2.4.0-test7 (but later for
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MIPS n32). */
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#define __ASSUME_GETDENTS64_SYSCALL 1
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/* Starting with 2.4.5 kernels PPC passes the AUXV in the standard way
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and the vfork syscall made it into the official kernel. */
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@ -164,7 +141,7 @@
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#endif
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/* The vfork syscall on x86 and arm was definitely available in 2.4. */
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#if __LINUX_KERNEL_VERSION >= 132097 && defined __i386__
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#ifdef __i386__
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# define __ASSUME_VFORK_SYSCALL 1
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#endif
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@ -1,5 +1,5 @@
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/* Run-time dynamic linker data structures for loaded ELF shared objects.
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Copyright (C) 2001, 2002, 2003, 2006, 2009, 2010 Free Software Foundation, Inc.
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Copyright (C) 2001-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -37,9 +37,7 @@ extern void _dl_non_dynamic_init (void) internal_function;
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/* We can assume that the kernel always provides the AT_UID, AT_EUID,
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AT_GID, and AT_EGID values in the auxiliary vector from 2.4.0 or so on. */
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#if __ASSUME_AT_XID
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# define HAVE_AUX_XID
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#endif
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#define HAVE_AUX_XID
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/* We can assume that the kernel always provides the AT_SECURE value
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in the auxiliary vector from 2.5.74 or so on. */
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@ -49,9 +47,7 @@ extern void _dl_non_dynamic_init (void) internal_function;
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/* Starting with one of the 2.4.0 pre-releases the Linux kernel passes
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up the page size information. */
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#if __ASSUME_AT_PAGESIZE
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# define HAVE_AUX_PAGESIZE
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#endif
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#define HAVE_AUX_PAGESIZE
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/* Accept binaries which identify the binary as using Linux extensions. */
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#define VALID_ELF_HEADER(hdr,exp,size) (memcmp (hdr, exp, size) == 0 \
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@ -1,5 +1,5 @@
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/* Determine realtime clock frequency.
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Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
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Copyright (C) 2003-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -25,26 +25,6 @@
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int
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__profile_frequency (void)
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{
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#ifdef __ASSUME_AT_CLKTCK
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return GLRO(dl_clktck);
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#else
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if (GLRO(dl_clktck) != 0)
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return GLRO(dl_clktck);
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struct itimerval tim;
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tim.it_interval.tv_sec = 0;
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tim.it_interval.tv_usec = 1;
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tim.it_value.tv_sec = 0;
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tim.it_value.tv_usec = 0;
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__setitimer (ITIMER_REAL, &tim, 0);
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__setitimer (ITIMER_REAL, 0, &tim);
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if (tim.it_interval.tv_usec < 2)
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return 0;
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return 1000000 / tim.it_interval.tv_usec;
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#endif
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}
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libc_hidden_def (__profile_frequency)
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