linux-kernel - [PATCH 13/40] syscalls: add new COMPAT_SYSCALL

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Message-Id: <1277287401-28571-14-git-send-email-imunsie@au1.ibm.com>
Date:	Wed, 23 Jun 2010 20:02:54 +1000
From:	"Ian Munsie" <imunsie@....ibm.com>
To:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org
Cc:	Jason Baron <jbaron@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <michael@...erman.id.au>,
	Ian Munsie <imunsie@....ibm.com>, Ingo Molnar <mingo@...e.hu>
Subject: [PATCH 13/40] syscalls: add new COMPAT_SYSCALL_DEFINE#N() macro

From: Jason Baron <jbaron@...hat.com>

Add COMPAT_SYSCALL_DEFINE#N() macro define common compat syscalls that
are not arch specific. Prepends "compat_sys_" to the syscall name to identify
it.

Signed-off-by: Jason Baron <jbaron@...hat.com>
Signed-off-by: Ian Munsie <imunsie@....ibm.com>
---
 include/linux/syscalls.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index d7096ab..a7d1114 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -213,6 +213,13 @@ extern struct trace_event_functions exit_syscall_print_funcs;
 #define ARCH_COMPAT_SYSCALL_DEFINE5(name, ...) COMPAT_SYSCALL_DEFINEx(5, sys32_##name, name, __VA_ARGS__)
 #define ARCH_COMPAT_SYSCALL_DEFINE6(name, ...) COMPAT_SYSCALL_DEFINEx(6, sys32_##name, name, __VA_ARGS__)
 
+#define COMPAT_SYSCALL_DEFINE1(name, ...) COMPAT_SYSCALL_DEFINEx(1, compat_sys_##name, name, __VA_ARGS__)
+#define COMPAT_SYSCALL_DEFINE2(name, ...) COMPAT_SYSCALL_DEFINEx(2, compat_sys_##name, name, __VA_ARGS__)
+#define COMPAT_SYSCALL_DEFINE3(name, ...) COMPAT_SYSCALL_DEFINEx(3, compat_sys_##name, name, __VA_ARGS__)
+#define COMPAT_SYSCALL_DEFINE4(name, ...) COMPAT_SYSCALL_DEFINEx(4, compat_sys_##name, name, __VA_ARGS__)
+#define COMPAT_SYSCALL_DEFINE5(name, ...) COMPAT_SYSCALL_DEFINEx(5, compat_sys_##name, name, __VA_ARGS__)
+#define COMPAT_SYSCALL_DEFINE6(name, ...) COMPAT_SYSCALL_DEFINEx(6, compat_sys_##name, name, __VA_ARGS__)
+
 #ifdef CONFIG_FTRACE_SYSCALLS
 #define COMPAT_SYSCALL_DEFINEx(x, syscall, sname, ...)		\
 	static const char *types_compat_sys_##sname[] = {	\
-- 
1.7.1

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