glibc

History

Adhemerval Zanella 071af4769f Consolidate pwrite/pwrite64 implementations

This patch consolidates all the pwrite/pwrite64 implementation for Linux
in only one (sysdeps/unix/sysv/linux/pwrite{64}.c).  It also removes the
syscall from the auto-generation using assembly macros.

For pwrite{64} offset argument placement the new SYSCALL_LL{64} macro
is used.  For pwrite ports that do not define __NR_pwrite will use
__NR_pwrite64 and for pwrite64 ports that dot define __NR_pwrite64 will
use __NR_pwrite for the syscall.

Checked on x86_64, x32, i386, aarch64, and ppc64le.

	* sysdeps/unix/sysv/linux/arm/pwrite.c: Remove file.
	* sysdeps/unix/sysv/linux/arm/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/wordsize-64/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/wordsize-64/syscalls.list (prite): Remove
	syscalls generation.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
	[__NR_pwrite64] (__NR_write): Remove define.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
	[__NR_pwrite64] (__NR_write): Remove define.
	* sysdeps/unix/sysv/linux/pwrite.c [__NR_pwrite64] (__NR_pwrite):
	Remove define.
	(__libc_pwrite): Use SYSCALL_LL macro on offset argument.
	* sysdeps/unix/sysv/linux/pwrite64.c [__NR_pwrite64] (__NR_pwrite):
	Remove define.
	(__libc_pwrite64): Use SYSCALL_LL64 macro on offset argument.
	* sysdeps/unix/sysv/linux/sh/pwrite.c: Rewrite using default
	Linux implementation as base.
	* sysdeps/unix/sysv/linux/sh/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.

2016-04-11 10:08:01 -03:00

bits

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2016-01-04 16:05:18 +00:00

wordsize-32

Consolidate pwrite/pwrite64 implementations

2016-04-11 10:08:01 -03:00

____longjmp_chk.c

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access.c

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brk.c

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chmod.c

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chown.c

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creat.c

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dl-origin.c

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dup2.c

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epoll_create.c

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epoll_wait.c

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futimesat.c

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getdents64.c

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getdents.c

…

inotify_init.c

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kernel_stat.h

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lchown.c

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link.c

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lxstat.c

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Makefile

…

mkdir.c

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open64.c

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open.c

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pause.c

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pipe.c

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poll.c

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readlink_chk.c

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readlink.c

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README

linux-generic: add a README

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recv.c

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rename.c

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rmdir.c

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select.c

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send.c

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symlink.c

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syscalls.list

…

sysctl.c

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sysdep.h

Consolidate off_t/off64_t syscall argument passing

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umount.c

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unlink.c

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ustat.c

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utimes.c

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xmknod.c

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xstat.c

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README

This hierarchy supports Linux systems using the new
asm-generic/unistd.h, which removes many familiar old syscalls.  For
example, to implement open(), newer Linux architectures require glibc
to invoke the __NR_openat syscall with AT_FDCWD.  This hierarchy
provides all those implementations.

It also provides support for 32-bit platforms using the 64-bit kernel
syscall APIs, as the 32-bit ones are no longer provided.  Note that
newer ILP32 environments (x32 or AArch64:ILP32, for example) are
converting to use more 64-bit types in kernel syscalls, so that aspect
of this support is in more flux as of this writing.