提交: f451fe61fcc580b320fcdcdd054bab0bb1cd2dc3 - gcc_dc (git)

GCC with patches for Dreamcast

Commit MetaInfo

• 修订版: f451fe61fcc580b320fcdcdd054bab0bb1cd2dc3 (tree)
• 时间: 1991-12-24 12:42:25
• 作者: Richard Stallman <rms@gnu....>
• Commiter: Richard Stallman

Log Message

Initial revision

From-SVN: r133

更改概述

• add: gcc/ginclude/va-m88k.h

差异

--- /dev/null
+++ b/gcc/ginclude/va-m88k.h
@@ -0,0 +1,59 @@
+/* This file contains changes made by Data General, December 1989.  */
+/* GNU C varargs support for the Motorola 88100  */
+
+#ifndef __INT_VARARGS_H		/* Prevent multiple inclusions of this file */
+#define __INT_VARARGS_H		/* and _int_varargs.h under DG/UX */
+
+typedef struct
+{
+  int  __va_arg;		/* argument number */
+  int *__va_stk;		/* start of args passed on stack */
+  int *__va_reg;		/* start of args passed in regs */
+} va_list;
+
+#else
+#undef __va_size
+#undef __va_reg_p
+#endif /* __INT_VARARGS_H */
+
+#ifdef _STDARG_H /* stdarg.h support */
+
+#if __GNUC__ > 1 /* GCC 2.0 and beyond */
+#define va_start(AP,LASTARG) ((AP) = *(va_list *)__builtin_saveregs())
+#else
+#define va_start(AP,LASTARG) \
+  ( (AP).__va_reg = (int *) __builtin_saveregs2(0), \
+    (AP).__va_stk = (int *) __builtin_argptr(), \
+    (AP).__va_arg = (int) (__builtin_argsize() + 3) / 4 )
+#endif
+
+#else /* varargs.h support */
+
+#if __GNUC__ > 1 /* GCC 2.0 and beyond */
+#define va_start(AP) ((AP) = *(va_list *)__builtin_saveregs())
+#else
+#define va_start(AP) \
+  ( (AP).__va_reg = (int *) __builtin_saveregs2(1), \
+    (AP).__va_stk = (int *) __builtin_argptr(), \
+    (AP).__va_arg = (int) (__builtin_argsize() - 4 + 3) / 4 )
+#endif
+#define va_alist __va_1st_arg
+#define va_dcl register int va_alist;
+
+#endif /* _STDARG_H */
+
+#define __va_reg_p(TYPE) \
+  (__builtin_classify_type(*(TYPE *)0) < 12 \
+   ? sizeof(TYPE) <= 8 : sizeof(TYPE) == 4 && __alignof__(TYPE) == 4)
+
+#define	__va_size(TYPE) ((sizeof(TYPE) + 3) >> 2)
+
+#define va_arg(AP,TYPE) \
+  ( (AP).__va_arg = (((AP).__va_arg + (1 << (__alignof__(TYPE) >> 3)) - 1) \
+		     & ~((1 << (__alignof__(TYPE) >> 3)) - 1)) \
+    + __va_size(TYPE), \
+    *((TYPE *) ((__va_reg_p(TYPE) && (AP).__va_arg < 8 + __va_size(TYPE) \
+		 ? (AP).__va_reg : (AP).__va_stk) \
+		+ ((AP).__va_arg - __va_size(TYPE)))))
+
+#define va_end(AP)