Optimizations, cleanup in codegen

[cc65] / src / cc65 / function.h

diff --git a/src/cc65/function.h b/src/cc65/function.h
index a2b11f1b7ad1f53de3f66b3c5776f2c82297902a..04c855e6eab081ede215af420d82dfb51931837d 100644 (file)
--- a/src/cc65/function.h
+++ b/src/cc65/function.h
@@ -1,8 +1,35 @@
-/*
- * function.h
- *
- * Ullrich von Bassewitz, 07.06.1998
- */
+/*****************************************************************************/
+/*                                                                           */
+/*                               function.h                                 */
+/*                                                                           */
+/*                           Function management                            */
+/*                                                                           */
+/*                                                                           */
+/*                                                                           */
+/* (C) 1998-2001 Ullrich von Bassewitz                                       */
+/*               Wacholderweg 14                                             */
+/*               D-70597 Stuttgart                                           */
+/* EMail:        uz@cc65.org                                                 */
+/*                                                                           */
+/*                                                                           */
+/* This software is provided 'as-is', without any expressed or implied       */
+/* warranty.  In no event will the authors be held liable for any damages    */
+/* arising from the use of this software.                                    */
+/*                                                                           */
+/* Permission is granted to anyone to use this software for any purpose,     */
+/* including commercial applications, and to alter it and redistribute it    */
+/* freely, subject to the following restrictions:                            */
+/*                                                                           */
+/* 1. The origin of this software must not be misrepresented; you must not   */
+/*    claim that you wrote the original software. If you use this software   */
+/*    in a product, an acknowledgment in the product documentation would be  */
+/*    appreciated but is not required.                                       */
+/* 2. Altered source versions must be plainly marked as such, and must not   */
+/*    be misrepresented as being the original software.                      */
+/* 3. This notice may not be removed or altered from any source              */
+/*    distribution.                                                          */
+/*                                                                           */
+/*****************************************************************************/
 
 
 
@@ -34,6 +61,9 @@ extern Function* CurrentFunc;
 const char* GetFuncName (const Function* F);
 /* Return the name of the current function */
 
+unsigned GetParamCount (const Function* F);
+/* Return the parameter count for the current function */
+
 unsigned GetParamSize (const Function* F);
 /* Return the parameter size for the current function */
 
@@ -43,12 +73,15 @@ type* GetReturnType (Function* F);
 int HasVoidReturn (const Function* F);
 /* Return true if the function does not have a return value */
 
-void RememberEntry (Function* F);
-/* Remember the current output position for local space creation later */
+int IsVariadic (const Function* F);
+/* Return true if this is a variadic function */
 
 unsigned GetRetLab (const Function* F);
 /* Return the return jump label */
 
+int GetTopLevelSP (const Function* F);
+/* Get the value of the stack pointer on function top level */
+
 int ReserveLocalSpace (Function* F, unsigned Size);
 /* Reserve (but don't allocate) the given local space and return the stack
  * offset.