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Re-design vsprintf so that it does not use so much stack; handle 8051's 2-byte generic pointers.

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@38 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-03-05 20:38:39 +00:00
parent 24f2e6a0a4
commit af1289c019
11 changed files with 1342 additions and 619 deletions
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6
arch/README.txt
View file

@ -111,6 +111,12 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_DISABLE_CLOCK, CONFIG_DISABLE_PTHREAD.
CONFIG_DISABLE_SIGNALS, CONFIG_DISABLE_MQUEUE
Misc libc settings
CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
little smaller if we do not support fieldwidthes
Allow for architecture optimized implementations
The architecture can provide optimized versions of the

8
arch/c5471/defconfig
View file

@ -135,6 +135,14 @@ CONFIG_DISABLE_PTHREAD=n
CONFIG_DISABLE_SIGNALS=n
CONFIG_DISABLE_MQUEUE=n
#
# Misc libc settings
#
# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
# little smaller if we do not support fieldwidthes
#
CONFIG_NOPRINTF_FIELDWIDTH=n
#
# Allow for architecture optimized implementations
#

8
arch/pjrc-8051/defconfig
View file

@ -102,6 +102,14 @@ CONFIG_DISABLE_PTHREAD=y
CONFIG_DISABLE_SIGNALS=y
CONFIG_DISABLE_MQUEUE=y
#
# Misc libc settings
#
# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
# little smaller if we do not support fieldwidthes
#
CONFIG_NOPRINTF_FIELDWIDTH=y
#
# Allow for architecture optimized implementations
#

4
arch/pjrc-8051/src/up_irq.c
View file

@ -69,11 +69,15 @@
void up_irqinitialize(void)
{
#if 1 /* remove me */
IE = 0;
#else
/* Enable interrupts globally, but disable all interrupt
* sources.
*/
IE = 0x80;
#endif
}
/************************************************************

8
arch/sim/defconfig
View file

@ -102,6 +102,14 @@ CONFIG_DISABLE_PTHREAD=n
CONFIG_DISABLE_SIGNALS=n
CONFIG_DISABLE_MQUEUE=n
#
# Misc libc settings
#
# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
# little smaller if we do not support fieldwidthes
#
CONFIG_NOPRINTF_FIELDWIDTH=n
#
# Allow for architecture optimized implementations
#

18
include/nuttx/compiler.h
View file

@ -80,6 +80,14 @@
# undef CONFIG_SMALL_MEMORY
/* Long and int are (probably) the same size */
# undef CONFIG_LONG_IS_NOT_INT
/* The pointers and int are the same size */
# undef CONFIG_PTR_IS_NOT_INT
/* GCC supports inlined functions */
# define CONFIG_HAVE_INLINE 1
@ -140,6 +148,14 @@
# define CONFIG_SMALL_MEMORY 1
/* Long and int are not the same size */
# define CONFIG_LONG_IS_NOT_INT 1
/* The generic point and int are not the same size */
# define CONFIG_PTR_IS_NOT_INT 1
/* SDCC does not support inline functions */
# undef CONFIG_HAVE_INLINE
@ -172,6 +188,8 @@
# define CODE
# undef CONFIG_SMALL_MEMORY
# undef CONFIG_LONG_IS_NOT_INT
# undef CONFIG_PTR_IS_NOT_INT
# undef CONFIG_HAVE_INLINE
# undef CONFIG_HAVE_LONG_LONG
# undef CONFIG_HAVE_DOUBLE

3
lib/Makefile
View file

@ -52,7 +52,8 @@ STDIO_SRCS = lib_fopen.c lib_fclose.c \
lib_ungetc.c \
lib_printf.c lib_vprintf.c lib_fprintf.c lib_rawprintf.c lib_lowprintf.c \
lib_vfprintf.c lib_sprintf.c lib_libsprintf.c lib_vsprintf.c \
lib_libvsprintf.c lib_stdstream.c lib_memstream.c lib_rawstream.c lib_lowstream.c \
lib_libvsprintf.c lib_stdstream.c lib_memstream.c \
lib_rawstream.c lib_lowstream.c lib_nullstream.c \
lib_sscanf.c
STDLIB_SRCS = lib_getenv.c lib_rand.c
MATH_SRCS = lib_rint.c

4
lib/lib_internal.h
View file

@ -128,6 +128,10 @@ extern void lib_rawstream(struct lib_rawstream_s *rawstream,
extern void lib_lowstream(struct lib_stream_s *rawstream);
#endif
/* Defined in lib_nullstream.c */
extern void lib_nullstream(struct lib_stream_s *nullstream);
/* Defined in lib_libsprintf.c */
extern int lib_sprintf (struct lib_stream_s *obj,

1546
lib/lib_libvsprintf.c
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File diff suppressed because it is too large Load diff

62
lib/lib_nullstream.c Normal file
View file

@ -0,0 +1,62 @@
/************************************************************
* lib_nullstream.c
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************/
/************************************************************
* Included Files
************************************************************/
#include <stdio.h>
#include <errno.h>
#include "lib_internal.h"
/************************************************************
* Private Functions
************************************************************/
static void nullstream_putc(struct lib_stream_s *this, int ch)
{
this->nput++;
}
/************************************************************
* Public Functions
************************************************************/
void lib_nullstream(struct lib_stream_s *nullstream)
{
nullstream->put = nullstream_putc;
nullstream->nput = 0;
}