1 files changed, 77 insertions, 0 deletions
diff --git a/libgloss/sparc_leon/asm-leon/stack.h b/libgloss/sparc_leon/asm-leon/stack.h
new file mode 100644
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+++ b/libgloss/sparc_leon/asm-leon/stack.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2011 Aeroflex Gaisler
+ *
+ * BSD license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef _SYS_STACK_H_
+#define	_SYS_STACK_H_
+
+#if !defined(_ASM)
+#include <sys/types.h>
+#endif
+
+#ifdef	__cplusplus
+extern "C"
+{
+#endif
+
+/*
+ * A stack frame looks like:
+ *
+ * %fp->|				|
+ *	|-------------------------------|
+ *	|  Locals, temps, saved floats	|
+ *	|-------------------------------|
+ *	|  outgoing parameters past 6	|
+ *	|-------------------------------|-\
+ *	|  6 words for callee to dump	| |
+ *	|  register arguments		| |
+ *	|-------------------------------|  > minimum stack frame
+ *	|  One word struct-ret address	| |
+ *	|-------------------------------| |
+ *	|  16 words to save IN and	| |
+ * %sp->|  LOCAL register on overflow	| |
+ *	|-------------------------------|-/
+ */
+
+/*
+ * Constants defining a 32-bit stack frame.
+ */
+#define	WINDOWSIZE	(16*4)	/* size of window save area */
+#define	ARGPUSHSIZE	(6*4)	/* size of arg dump area */
+#define	ARGPUSH	        (WINDOWSIZE + 4)	/* arg dump area offset */
+#define	MINFRAME	(WINDOWSIZE + ARGPUSHSIZE + 4)	/* min frame */
+
+#define	STACK_GROWTH_DOWN	/* stacks grow from high to low addresses */
+
+/*
+ * Stack alignment macros.
+ */
+#define	STACK_ALIGN	8
+#define	SA(X)		(((X)+(STACK_ALIGN-1)) & ~(STACK_ALIGN-1))
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif				/* _SYS_STACK_H */