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Consolidate Linux send implementation

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This patch consolidates the send Linux syscall implementation on
sysdeps/unix/sysv/linux/send{to}.c.  The changes are:

  1. Remove send from auto-generation syscalls.list on the architecture
     that uses __NR_send.
  2. Define __NR_send for architectures that supports it. It was done instead
     of defining in default kernel-features.h because current Linux practice
     for new ports are to implement only __NR_sendto [1] and it will
     require adding new kernel-features for ports that do not require it
     (aarch64 for instance).
  3. Remove __ASSUME_SENDTO_FOR_SEND_SYSCALL and decide to use
     __NR_sendto for send generation based on __ASSUME_SENDTO_SYSCALL.

Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
aarch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu.

	* sysdeps/unix/sysv/linux/sysdep.h (HAVE_INTERNAL_SEND_SYMBOL):
	Define.
	* sysdeps/unix/sysv/linux/aarch64/sysdep.h
	(HAVE_INTERNAL_SEND_SYMBOL): Undefine.
	* sysdeps/unix/sysv/linux/nios2/sysdep.h
	(HAVE_INTERNAL_SEND_SYMBOL): Likewise.
	* sysdeps/unix/sysv/linux/tile/sysdep.h
	(HAVE_INTERNAL_SEND_SYMBOL): Likewise.
	* sysdeps/unix/sysv/linux/alpha/kernel-features.h
	(__ASSUME_RECV_SYSCALL): Define.
	* sysdeps/unix/sysv/linux/arm/kernel-features.h
	(__ASSUME_RECV_SYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/hppa/kernel-features.h
	(__ASSUME_RECV_SYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/ia64/kernel-features.h
	(__ASSUME_RECV_SYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/mips/kernel-features.h
	(__ASSUME_RECV_SYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/i386/kernel-features.h
	(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Remove define.
	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
	(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/s390/kernel-features.h
	(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Remove send from
	auto-generation list.
	* sysdeps/unix/sysv/linux/arm/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list: Likewike.
	* sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/send.c: Simplify includes.
	(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Replace by
	__ASSUME_SENDTO_SYSCALL.
	* sysdeps/unix/sysv/linux/x86_64/send.c: Remove file.
	* sysdeps/unix/sysv/linux/mips/mips64/send.c: Likewise.
	* sysdeps/unix/sysv/linux/generic/send.c: Likewise.
This commit is contained in:
Adhemerval Zanella
2017-03-06 15:13:03 +01:00
parent 06cf371e97
commit 60f9423b6b
23 changed files with 62 additions and 77 deletions
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1
sysdeps/unix/sysv/linux/alpha/kernel-features.h
View File

@ -32,6 +32,7 @@
/* Alpha defines SysV ipc shmat syscall with a different name. */
#define __NR_shmat __NR_osf_shmat
#define __ASSUME_RECV_SYSCALL 1
#define __ASSUME_RECV_SYSCALL 1
#endif /* _KERNEL_FEATURES_H */

1
sysdeps/unix/sysv/linux/alpha/syscalls.list
View File

@ -10,7 +10,6 @@ getpeername - getpeername i:ipp __getpeername getpeername
getsockname - getsockname i:ipp __getsockname getsockname
getsockopt - getsockopt i:iiiBN __getsockopt getsockopt
listen - listen i:ii __listen listen
send - send Ci:ibni __libc_send __send send
setsockopt - setsockopt i:iiibn __setsockopt setsockopt
shutdown - shutdown i:ii __shutdown shutdown
socket - socket i:iii __socket socket