Add ARM EABI defines to the va_list macros.

These are not yet tested (due to lack of ARM compiler)

common/include/dynarg.h

+/*
+	Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2013
+	Copyright Stichting C.A. Muller Radioastronomiestation, 2013
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _INCLUDE_DYNARG_H_
 #define _INCLUDE_DYNARG_H_
 
 #include <stdarg.h>
 #include <malloc.h>
 
-#ifdef __x86_64__
+
+
+#if defined(__x86_64__)
 
 #include <string.h>
 
@@ -66,7 +86,10 @@ do { \
 
 
 
-#else /* __x86_64__*/
+
+/* endif __x86_64__ */
+#elif defined(__i386__)
+
 
 
 
@@ -94,6 +117,44 @@ do { \
 #define va_free(list) free(((char *)(list)) - sizeof(char *))
 
 
-#endif /* __x86_64__ */
+
+
+/* endif __i386__ */
+#elif defined(__arm__) && defined(__ARM_EABI__)
+
+
+#define va_new(list) \
+do { \
+	char *ptr = malloc(sizeof(char *)) + sizeof(char *)*2; \
+	(list).__ap = ptr; \
+        ((char **)ptr)[-1] = ptr; \
+} while (0)
+
+#define va_add(list, type, val) \
+do { \
+        char *ptr; \
+        char **clist = (char **)(list).__ap; \
+	type tmpval = val; \
+        size_t size, fill; \
+        \
+        size = ((size_t)clist[-1] - (size_t)(clist)); \
+	if ((size & 0x7) && !(sizeof(type) & 0x7)) \
+		fill = 4; \
+	else \
+		fill = 0; \
+        clist = realloc(&clist[-2], \
+	    size + fill + sizeof(type) + sizeof(char *)*2) + sizeof(char *)*2; \
+        (list).__ap = (void *)clist; \
+        ptr = ((char *)clist + size); \
+	ptr += fill; \
+	memcpy(ptr, &tmpval, sizeof(tmpval)); \
+        clist[-1] = ptr + sizeof(type); \
+} while (0)
+
+#define va_free(list) free(((char *)(list).__ap) - sizeof(char *)*2)
+
+
+#endif /* defined(__arm__) && defined(__ARM_EABI__) */
+
 
 #endif /* _INCLUDE_DYNARG_H_ */