Changeset 2cd0485d in mainline

Timestamp:

2005-10-29T16:06:21Z (19 years ago)

Author:

Josef Cejka <malyzelenyhnus@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

437ee6a4

Parents:

39cb79a

Message:

Fixed problem with va_arg macro for mips32. This solves problem with printing 64bit values on it.

File:

• arch/mips32/include/arg.h (modified) (1 diff)

arch/mips32/include/arg.h

@@ -30 +30 @@
 #define __mips32_ARG_H__
 
-#include <stackarg.h>
+//#include <stackarg.h>
+
+#include <arch/types.h>
+
+typedef struct va_list {
+        int pos;
+        __u8 *last;
+} va_list;
+
+#define va_start(ap, lst)               \
+        (ap).pos = sizeof(lst);                         \
+        (ap).last = (__u8 *) &(lst)
+
+/**
+* va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not)
+* To satisfy this, paddings must be sometimes inserted. 
+*/
+#define va_arg(ap, type)                \
+        (*((type *)((ap).last + ((ap).pos  += sizeof(type) + ((sizeof(type)==8)&&(((ap).pos)&(4))?4:0)) - sizeof(type))))
+
+#define va_end(ap)
+
+
 
 #endif