Extra infra alignment macros

[Jonathan Larmour]

I've been sitting on this change for quite some time, and although I 
haven't gotten around to using it where I intended to yet, I may as well 
flush it from my local tree.

Jifl

2004-04-15  Jonathan Larmour  <jifl@eCosCentric.com>

	* include/cyg_type.h: added CYG_ATTRIB_ALIGN_MAX and
	CYGBLD_ATTRIB_ALIGNOFTYPE. Inspired by Robert Larice.


Index: include/cyg_type.h
===================================================================
RCS file: /cvs/ecos/ecos/packages/infra/current/include/cyg_type.h,v
retrieving revision 1.19
diff -u -5 -p -r1.19 cyg_type.h
--- include/cyg_type.h	29 May 2002 18:28:22 -0000	1.19
+++ include/cyg_type.h	15 Apr 2004 01:03:39 -0000
@@ -360,10 +360,19 @@ typedef cyg_haladdrword CYG_ADDRWORD;
  // Give a type or object explicit minimum alignment
  # if !defined(CYGBLD_ATTRIB_ALIGN)
  #  define CYGBLD_ATTRIB_ALIGN(__align__) __attribute__((aligned(__align__)))
  # endif

+# if !defined(CYGBLD_ATTRIB_ALIGN_MAX)
+#  define CYGBLD_ATTRIB_ALIGN_MAX __attribute__((aligned))
+# endif
+
+# if !defined(CYGBLD_ATTRIB_ALIGNOFTYPE)
+#  define CYGBLD_ATTRIB_ALIGNOFTYPE( _type_ ) \
+     __attribute__((aligned(__alignof__( _type_ ))))
+# endif
+
  // Teach compiler how to check format of printf-like functions
  # define CYGBLD_ATTRIB_PRINTF_FORMAT(__format__, __args__) \
          __attribute__((format (printf, __format__, __args__)))

  #else // non-GNU
@@ -382,10 +391,14 @@ typedef cyg_haladdrword CYG_ADDRWORD;
  # define CYGBLD_ATTRIB_ASM_ALIAS(__symbol__) !!!-- Asm alias not defined 
--!!!

  # define CYGBLD_ATTRIB_CONST

  # define CYGBLD_ATTRIB_ALIGN(__align__) !!!-- Alignment alias not defined 
--!!!
+
+# define CYGBLD_ATTRIB_ALIGN_MAX !!!-- Alignment alias not defined --!!!
+
+# define CYGBLD_ATTRIB_ALIGNOFTYPE !!!-- Alignment alias not defined --!!!

  # define CYGBLD_ATTRIB_PRINTF_FORMAT(__format__, __args__)

  #endif




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