Module: xenomai-forge
Branch: master
Commit: dc0e97b56a42a79f009a1a8b4a18e4402f5d962f
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=dc0e97b56a42a79f009a1a8b4a18e4402f5d962f
Author: Philippe Gerum <r...@xenomai.org>
Date: Thu Dec 1 22:40:49 2011 +0100
nucleus/shadow: force common calling convention for syscalls
---
include/asm-generic/syscall.h | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/include/asm-generic/syscall.h b/include/asm-generic/syscall.h
index 1924bb5..97894ae 100644
--- a/include/asm-generic/syscall.h
+++ b/include/asm-generic/syscall.h
@@ -88,7 +88,12 @@ struct pt_regs;
struct xnsysent {
- int (*svc)(u_long arg, ...);
+ /*
+ * CAUTION: no varargs, we want the calling convention for
+ * regular functions to apply.
+ */
+ int (*svc)(u_long arg1, u_long arg2, u_long arg3,
+ u_long arg4, u_long arg5);
/* Syscall must run into the Linux domain. */
#define __xn_exec_lostage 0x1
@@ -126,7 +131,7 @@ struct xnsysent {
unsigned long flags;
};
-#define __syscast__(fn) ((int (*)(u_long, ...))(fn))
+#define __syscast__(fn) ((int (*)(u_long, u_long, u_long, u_long,
u_long))(fn))
#define SKINCALL_DEF(nr, fn, fl) \
[nr] = { .svc = __syscast__(fn), .flags = __xn_exec_##fl }
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