mirror of
https://github.com/apache/nuttx.git
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Support C pre-processors without variable-arg macros
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@535 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
+123
-17
@@ -1,7 +1,7 @@
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/************************************************************
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/****************************************************************************
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* debug.h
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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@@ -14,7 +14,7 @@
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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@@ -31,24 +31,25 @@
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************/
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****************************************************************************/
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#ifndef __DEBUG_H
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#define __DEBUG_H
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/************************************************************
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/****************************************************************************
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* Included Files
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************************************************************/
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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/************************************************************
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/****************************************************************************
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* Definitions
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************************************************************/
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****************************************************************************/
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/* Debug macros to runtime filter the opsys debug messages */
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#ifdef __GNUC__
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#ifdef CONFIG_HAVE_FUNCTIONNAME
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# define EXTRA_FMT "%s: "
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# define EXTRA_ARG ,__FUNCTION__
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#else
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@@ -56,6 +57,14 @@
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# define EXTRA_ARG
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#endif
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/* Debug macros will differ depending upon if the toolchain supports
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* macros with a variable number of arguments or not.
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*/
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#ifdef CONFIG_CPP_HAVE_VARARGS
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/* Variable argument macros supported */
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#ifdef CONFIG_DEBUG
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# define dbg(format, arg...) \
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lib_rawprintf(EXTRA_FMT format EXTRA_ARG, ##arg)
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@@ -74,11 +83,13 @@
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# define vdbg(x...)
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# endif
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#else
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#else /* CONFIG_DEBUG */
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# define dbg(x...)
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# define lldbg(x...)
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# define vdbg(x...)
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#endif
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#endif /* CONFIG_DEBUG */
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/* Subsystem specific debug */
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@@ -132,17 +143,88 @@
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# define lvdbg(x...)
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#endif
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/************************************************************
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#else /* CONFIG_CPP_HAVE_VARARGS */
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/* Variable argument macros NOT supported */
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#ifdef CONFIG_DEBUG
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# ifndef CONFIG_ARCH_LOWPUTC
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# define lldbg (void)
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# endif
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# ifndef CONFIG_DEBUG_VERBOSE
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# define vdbg (void)
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# endif
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#else
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# define dbg (void)
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# define lldbg (void)
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# define vdbg (void)
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#endif
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/* Subsystem specific debug */
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#ifdef CONFIG_DEBUG_MM
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# define mdbg dbg
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# define mlldbg lldbg
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# define mvdbg vdbg
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#else
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# define mdbg (void)
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# define mlldbg (void)
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# define mvdbg (void)
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#endif
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#ifdef CONFIG_DEBUG_SCHED
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# define sdbg dbg
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# define slldbg lldbg
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# define svdbg vdbg
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#else
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# define sdbg (void)
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# define slldbg (void)
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# define svdbg (void)
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#endif
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#ifdef CONFIG_DEBUG_NET
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# define ndbg dbg
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# define nlldbg lldbg
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# define nvdbg vdbg
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#else
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# define ndbg (void)
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# define nlldbg (void)
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# define nvdbg (void)
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#endif
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#ifdef CONFIG_DEBUG_FS
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# define fdbg dbg
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# define flldbg lldbg
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# define fvdbg vdbg
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#else
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# define fdbg (void)
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# define flldbg (void)
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# define fvdbg (void)
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#endif
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#ifdef CONFIG_DEBUG_LIB
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# define ldbg dbg
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# define llldbg lldbg
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# define lvdbg vdbg
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#else
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# define ldbg (void)
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# define llldbg (void)
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# define lvdbg (void)
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#endif
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#endif /* CONFIG_CPP_HAVE_VARARGS */
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/****************************************************************************
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* Public Type Declarations
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************************************************************/
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****************************************************************************/
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/************************************************************
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/****************************************************************************
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* Public Variables
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************************************************************/
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****************************************************************************/
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/************************************************************
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/****************************************************************************
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* Public Function Prototypes
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************************************************************/
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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@@ -152,12 +234,36 @@ extern "C" {
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#define EXTERN extern
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#endif
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/* These low-level debug APIs are provided by the NuttX library. If
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* the cross-compiler's pre-processor supports a variable number of
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* macro arguments, then the macros above will map all debug statements
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* on or the other of the following.
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*/
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EXTERN int lib_rawprintf(const char *format, ...);
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#ifdef CONFIG_ARCH_LOWPUTC
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EXTERN int lib_lowprintf(const char *format, ...);
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#endif
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/* If the cross-compiler's pre-processor does not support variable
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* length arguments, then these additional APIs will be built.
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*/
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#ifndef CONFIG_CPP_HAVE_VARARGS
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#ifdef CONFIG_DEBUG
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EXTERN int dbg(const char *format, ...);
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# ifdef CONFIG_ARCH_LOWPUTC
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EXTERN int lldbg(const char *format, ...);
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# endif
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# ifdef CONFIG_DEBUG_VERBOSE
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EXTERN int vdbg(const char *format, ...);
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#endif
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#endif /* CONFIG_DEBUG */
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#endif /* CONFIG_CPP_HAVE_VARARGS */
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#undef EXTERN
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#if defined(__cplusplus)
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}
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+43
-10
@@ -48,7 +48,17 @@
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#ifdef __GNUC__
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/* GCC supports weak symbols which can be used to reduce
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/* Pre-processor */
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# define CONFIG_CPP_HAVE_VARARGS 1 /* Supports variable argument macros */
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/* Intriniscs */
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# define CONFIG_HAVE_FUNCTIONNAME 1 /* Has __FUNCTION__ */
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/* Attributes
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*
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* GCC supports weak symbols which can be used to reduce
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* code size because unnecessary "weak" functions can be
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* excluded from the link.
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*/
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@@ -118,11 +128,23 @@
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#elif defined(SDCC)
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/* Disable warnings for unused function arguments */
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/* Pre-processor */
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# define CONFIG_CPP_HAVE_VARARGS 1 /* Supports variable argument macros */
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/* Intriniscs */
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# define CONFIG_HAVE_FUNCTIONNAME 1 /* Has __FUNCTION__ */
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/* Pragmas
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*
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* Disable warnings for unused function arguments */
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# pragma disable_warning 85
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/* SDCC does not support weak symbols */
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/* Attributes
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*
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* SDCC does not support weak symbols */
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# undef CONFIG_HAVE_WEAKFUNCTIONS
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# define weak_alias(name, aliasname)
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@@ -196,29 +218,40 @@
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# undef CONFIG_CAN_PASS_STRUCTS
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/* ZiLog-specific definitions ***********************************************/
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/* Zilog-specific definitions ***********************************************/
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#elif defined(__ZILOG__)
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/* At present, only the ZiLog ZNeo compiler is recognized */
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/* At present, only the Zilog ZNeo compiler is recognized */
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# ifndef __ZNEO__
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# warning "Unrecognized ZiLog compiler"
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# warning "Unrecognized Zilog compiler"
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# endif
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/* The ZiLog compiler does not support weak symbols */
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/* Pre-processor */
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# undef CONFIG_CPP_HAVE_VARARGS /* No variable argument macros */
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/* Intriniscs */
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# define CONFIG_HAVE_FUNCTIONNAME 1 /* Has __FUNCTION__ */
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/* Attributes
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*
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* The Zilog compiler does not support weak symbols
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*/
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# undef CONFIG_HAVE_WEAKFUNCTIONS
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# define weak_alias(name, aliasname)
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# define weak_function
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# define weak_const_function
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/* The ZiLog compiler does not support the noreturn or packed attributes */
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/* The Zilog compiler does not support the noreturn or packed attributes */
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# define noreturn_function
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# define packed_struct
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/* The ZiLog compiler does not support the reentrant attribute */
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/* The Zilog compiler does not support the reentrant attribute */
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# define reentrant_function
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@@ -241,7 +274,7 @@
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# undef CONFIG_PTR_IS_NOT_INT
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/* The ZiLog compiler does not support inline functions */
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/* The Zilog compiler does not support inline functions */
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# undef CONFIG_HAVE_INLINE
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# define inline
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