9 files changed, 43 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 1ad68675c2..e942c298f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,22 @@
+2016-12-28  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	* sysdeps/unix/sysv/linux/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): New define.
+	* sysdeps/unix/sysv/linux/i386/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): Undef.
+	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): Likewise.
+	* sysdeps/unix/sysv/linux/mips/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): Likewise.
+	* sysdeps/unix/sysv/linux/s390/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): Likewise.
+	* sysdeps/unix/sysv/linux/sh/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): Likewise.
+	* sysdeps/unix/sysv/linux/sparc/kernel-features.h
+	(__ASSUME_DIRECT_SYSVIPC_SYSCALLS): Likewise.
+
 2016-12-28  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 
 	* sysdeps/powerpc/powerpc32/power7/memchr.S (__memchr): Avoid an
diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h
index 148963c36c..0a557f8d7d 100644
--- a/sysdeps/unix/sysv/linux/i386/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h
@@ -52,3 +52,6 @@
 # undef __ASSUME_SENDMSG_SYSCALL
 # undef __ASSUME_RECVMSG_SYSCALL
 #endif
+
+/* i686 only supports ipc syscall.  */
+#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 1d3b554f81..19125ce85c 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -147,3 +147,7 @@
    separate syscalls were only added later.  */
 #define __ASSUME_SENDMSG_SYSCALL	1
 #define __ASSUME_RECVMSG_SYSCALL	1
+
+/* Support for SysV IPC through wired syscalls.  All supported architectures
+   either support ipc syscall and/or all the ipc correspondent syscalls.  */
+#define __ASSUME_DIRECT_SYSVIPC_SYSCALLS	1
diff --git a/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index 46ec60115f..b03de4cef1 100644
--- a/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -54,3 +54,6 @@
 # undef __ASSUME_REQUEUE_PI
 # undef __ASSUME_SET_ROBUST_LIST
 #endif
+
+/* m68k only supports ipc syscall.  */
+#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
diff --git a/sysdeps/unix/sysv/linux/mips/kernel-features.h b/sysdeps/unix/sysv/linux/mips/kernel-features.h
index b486d904c3..fae34aaa18 100644
--- a/sysdeps/unix/sysv/linux/mips/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/mips/kernel-features.h
@@ -32,6 +32,8 @@
    pairs to start with an even-number register.  */
 #if _MIPS_SIM == _ABIO32
 # define __ASSUME_ALIGNED_REGISTER_PAIRS	1
+/* mips32 only supports ipc syscall.  */
+# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
 #endif
 
 /* Define that mips64-n32 is a ILP32 ABI to set the correct interface to
diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
index 42a53f2c1c..5a84b6b3d3 100644
--- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
@@ -52,3 +52,6 @@
 #endif
 
 #include_next <kernel-features.h>
+
+/* powerpc only supports ipc syscall.  */
+#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h
index b3edee4b62..10eade3c5e 100644
--- a/sysdeps/unix/sysv/linux/s390/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h
@@ -48,3 +48,6 @@
 # undef __ASSUME_SENDMSG_SYSCALL
 # undef __ASSUME_RECVMSG_SYSCALL
 #endif
+
+/* s390 only supports ipc syscall.  */
+#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
index d03aafac75..9eb8ff46d9 100644
--- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -54,4 +54,7 @@
    before the offset.  */
 #define __ASSUME_PRW_DUMMY_ARG	1
 
+/* sh only supports ipc syscall.  */
+#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
+
 #endif
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
index 69c9c7c84e..e487efecf1 100644
--- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
@@ -37,3 +37,6 @@
 # undef __ASSUME_REQUEUE_PI
 # undef __ASSUME_SET_ROBUST_LIST
 #endif
+
+/* sparc only supports ipc syscall.  */
+#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS