Type of the interrupt handlers on x86 cannot be expressed in C.

Simplify and unify placeholder type definitions.

Reviewed by:	jhb
Sponsored by:	The FreeBSD Foundation
Differential revision:	https://reviews.freebsd.org/D5771

1 files changed, 7 insertions, 0 deletions

diff --git a/sys/x86/include/x86_var.h b/sys/x86/include/x86_var.h
index c349913..46ce1a0 100644
--- a/sys/x86/include/x86_var.h
+++ b/sys/x86/include/x86_var.h
@@ -86,6 +86,13 @@ struct	fpreg;
 struct  dbreg;
 struct	dumperinfo;
 
+/*
+ * The interface type of the interrupt handler entry point cannot be
+ * expressed in C.  Use simplest non-variadic function type as an
+ * approximation.
+ */
+typedef void alias_for_inthand_t(void);
+
 void	*alloc_fpusave(int flags);
 void	busdma_swi(void);
 bool	cpu_mwait_usable(void);