Linux: Assume and consolidate getpeername wire-up syscall

And disable if kernel does not support it.

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>

10 files changed, 6 insertions, 28 deletions

diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list
deleted file mode 100644
index e89ce91ac0..0000000000
--- a/sysdeps/unix/sysv/linux/generic/syscalls.list
+++ /dev/null
@@ -1,4 +0,0 @@
-# File name	Caller	Syscall name	# args	Strong name	Weak names
-
-# Socket APIs
-getpeername	-	getpeername	i:ipp	__getpeername	getpeername
diff --git a/sysdeps/unix/sysv/linux/getpeername.c b/sysdeps/unix/sysv/linux/getpeername.c
index eb49d40d3a..827fd631dc 100644
--- a/sysdeps/unix/sysv/linux/getpeername.c
+++ b/sysdeps/unix/sysv/linux/getpeername.c
@@ -15,19 +15,14 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
-#include <signal.h>
 #include <sys/socket.h>
-
 #include <socketcall.h>
-#include <kernel-features.h>
-#include <sys/syscall.h>
 
 int
 __getpeername (int fd, __SOCKADDR_ARG addr, socklen_t *len)
 {
 #ifdef __ASSUME_GETPEERNAME_SYSCALL
-  return INLINE_SYSCALL (getpeername, 3, fd, addr.__sockaddr__, len);
+  return INLINE_SYSCALL_CALL (getpeername, fd, addr.__sockaddr__, len);
 #else
   return SOCKETCALL (getpeername, fd, addr.__sockaddr__, len);
 #endif
diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h
index 1c5cbd3351..ed7efa3097 100644
--- a/sysdeps/unix/sysv/linux/i386/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h
@@ -17,11 +17,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-/* Direct socketcalls available with kernel 4.3.  */
-#if __LINUX_KERNEL_VERSION >= 0x040300
-# define __ASSUME_GETPEERNAME_SYSCALL        1
-#endif
-
 #include_next <kernel-features.h>
 
 #undef __ASSUME_ACCEPT_SYSCALL
@@ -42,6 +37,7 @@
 # undef __ASSUME_LISTEN_SYSCALL
 # undef __ASSUME_SHUTDOWN_SYSCALL
 # undef __ASSUME_GETSOCKNAME_SYSCALL
+# undef __ASSUME_GETPEERNAME_SYSCALL
 #endif
 
 /* i686 only supports ipc syscall before 5.1.  */
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 4a4d624aeb..07b440f4ee 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -85,6 +85,7 @@
 #define __ASSUME_LISTEN_SYSCALL		1
 #define __ASSUME_SHUTDOWN_SYSCALL	1
 #define __ASSUME_GETSOCKNAME_SYSCALL	1
+#define __ASSUME_GETPEERNAME_SYSCALL	1
 
 /* Support for SysV IPC through wired syscalls.  All supported architectures
    either support ipc syscall and/or all the ipc correspondent syscalls.  */
diff --git a/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index e57f09a74e..d0155783b7 100644
--- a/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -17,11 +17,6 @@
    License along with the GNU C Library.  If not, see
    <https://www.gnu.org/licenses/>.  */
 
-/* Direct socketcalls available with kernel 4.3.  */
-#if __LINUX_KERNEL_VERSION >= 0x040300
-# define __ASSUME_GETPEERNAME_SYSCALL        1
-#endif
-
 #include_next <kernel-features.h>
 
 #undef __ASSUME_ACCEPT_SYSCALL
@@ -44,6 +39,7 @@
 # undef __ASSUME_LISTEN_SYSCALL
 # undef __ASSUME_SHUTDOWN_SYSCALL
 # undef __ASSUME_GETSOCKNAME_SYSCALL
+# undef __ASSUME_GETPEERNAME_SYSCALL
 #endif
 
 /* No support for PI futexes or robust mutexes before 3.10 for m68k.  */
diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
index 10eff56743..3d6270b633 100644
--- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
@@ -19,7 +19,6 @@
 
 /* All supported kernel versions for MicroBlaze have these syscalls.  */
 #define __ASSUME_CONNECT_SYSCALL	1
-#define __ASSUME_GETPEERNAME_SYSCALL	1
 #define __ASSUME_SEND_SYSCALL		1
 #define __ASSUME_RECV_SYSCALL		1
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
index 231742a5c3..e092d3bd24 100644
--- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
@@ -19,7 +19,6 @@
 
 /* New syscalls added for PowerPC in 2.6.37.  */
 #define __ASSUME_CONNECT_SYSCALL	1
-#define __ASSUME_GETPEERNAME_SYSCALL	1
 #define __ASSUME_SEND_SYSCALL		1
 #define __ASSUME_RECV_SYSCALL		1
 
diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h
index 058b211e55..fb87a57a15 100644
--- a/sysdeps/unix/sysv/linux/s390/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h
@@ -17,11 +17,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-/* Direct socketcalls available with kernel 4.3.  */
-#if __LINUX_KERNEL_VERSION >= 0x040300
-# define __ASSUME_GETPEERNAME_SYSCALL        1
-#endif
-
 #include_next <kernel-features.h>
 
 #undef __ASSUME_ACCEPT_SYSCALL
@@ -44,6 +39,7 @@
 # undef __ASSUME_LISTEN_SYSCALL
 # undef __ASSUME_SHUTDOWN_SYSCALL
 # undef __ASSUME_GETSOCKNAME_SYSCALL
+# undef __ASSUME_GETPEERNAME_SYSCALL
 #endif
 
 /* s390 only supports ipc syscall before 5.1.  */
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
index 76e2de7bf5..953fa8dff0 100644
--- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -24,7 +24,6 @@
 
 /* These syscalls were added for SH in 2.6.37.  */
 #define __ASSUME_CONNECT_SYSCALL	1
-#define __ASSUME_GETPEERNAME_SYSCALL	1
 #define __ASSUME_SEND_SYSCALL		1
 #define __ASSUME_RECV_SYSCALL		1
 
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
index f71aa8ca38..98c938c16d 100644
--- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
@@ -46,6 +46,7 @@
    in 4.20 (but present for 64-bit in all supported kernel versions).  */
 #if !defined __arch64__ && __LINUX_KERNEL_VERSION < 0x041400
 # undef __ASSUME_GETSOCKNAME_SYSCALL
+# undef __ASSUME_GETPEERNAME_SYSCALL
 #endif
 
 /* These syscalls were added for both 32-bit and 64-bit in 4.4.  */