66 lines
2.1 KiB
Diff
66 lines
2.1 KiB
Diff
From 5e96c73d5dfbdea8d0be82b7f3fc8d6735e5dfa7 Mon Sep 17 00:00:00 2001
|
|
From: Mike Frysinger <vapier@gentoo.org>
|
|
Date: Sun, 17 Jan 2010 17:07:48 -0500
|
|
Subject: [PATCH] add a generic syscall() fallback
|
|
|
|
Upstream-Status: Pending
|
|
|
|
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
|
|
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
|
|
---
|
|
src/syscall-generic.h | 29 +++++++++++++++++++++++++++++
|
|
src/syscall.h | 3 ++-
|
|
2 files changed, 31 insertions(+), 1 deletions(-)
|
|
create mode 100644 src/syscall-generic.h
|
|
|
|
diff --git a/src/syscall-generic.h b/src/syscall-generic.h
|
|
new file mode 100644
|
|
index 0000000..24d7c7c
|
|
--- /dev/null
|
|
+++ b/src/syscall-generic.h
|
|
@@ -0,0 +1,29 @@
|
|
+#include <errno.h>
|
|
+#include <unistd.h>
|
|
+#include <sys/syscall.h>
|
|
+
|
|
+#define _body_io_syscall(sname, args...) \
|
|
+{ \
|
|
+ int ret = syscall(__NR_##sname, ## args); \
|
|
+ return ret < 0 ? -errno : ret; \
|
|
+}
|
|
+
|
|
+#define io_syscall1(type,fname,sname,type1,arg1) \
|
|
+type fname(type1 arg1) \
|
|
+_body_io_syscall(sname, (long)arg1)
|
|
+
|
|
+#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
|
|
+type fname(type1 arg1,type2 arg2) \
|
|
+_body_io_syscall(sname, (long)arg1, (long)arg2)
|
|
+
|
|
+#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
|
|
+type fname(type1 arg1,type2 arg2,type3 arg3) \
|
|
+_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3)
|
|
+
|
|
+#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
|
|
+type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
|
|
+_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4)
|
|
+
|
|
+#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, type5,arg5) \
|
|
+type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
|
|
+_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4, (long)arg5)
|
|
diff --git a/src/syscall.h b/src/syscall.h
|
|
index 78becfe..d954af0 100644
|
|
--- a/src/syscall.h
|
|
+++ b/src/syscall.h
|
|
@@ -25,5 +25,6 @@
|
|
#elif defined(__arm__)
|
|
#include "syscall-arm.h"
|
|
#else
|
|
-#error "add syscall-arch.h"
|
|
+#warning "using generic syscall method"
|
|
+#include "syscall-generic.h"
|
|
#endif
|
|
--
|
|
1.7.3.1
|
|
|