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Another dtoa() fix from Mike Smith

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5229 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-10-11 13:42:14 +00:00
parent d66c15fd74
commit 018b0e9970
9 changed files with 121 additions and 94 deletions
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1
ChangeLog
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@ -3469,4 +3469,5 @@
xxx-nuttx-elf- vs. xxx-elf-
* configs/shenzhou/*/Make.defs: Now uses the new buildroot 4.6.3
EABI toolchain.
* lib/stdio/lib_libdtoa.c: Another dtoa() fix from Mike Smith.

13
configs/eagle100/README.txt
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@ -416,13 +416,24 @@ Where <subdir> is one of the following:
interface should also be functional, but is not enabled in this
configuration).
nxflat:
This builds the NXFLAT example at apps/examples/nxfalt.
NOTE: See note above with regard to the EABI/OABI buildroot
toolchains. This example can only be built using the older
OABI toolchain.
ostest:
This configuration directory, performs a simple OS test using
examples/ostest.
thttpd:
This builds the THTTPD web server example using the THTTPD and
the examples/thttpd application.
the apps/examples/thttpd application.
NOTE: See note above with regard to the EABI/OABI buildroot
toolchains. This example can only be built using the older
OABI toolchain.
By default, all of these examples are built to be used with the Luminary
Ethernet Bootloader (you can change the ld.script file in any of these

6
configs/eagle100/nxflat/Make.defs
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@ -1,7 +1,7 @@
############################################################################
# configs/eagle100/nxflat/Make.defs
#
# Copyright (C) 2009 Gregory Nutt. All rights reserved.
# Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@ -40,7 +40,7 @@ include ${TOPDIR}/tools/Config.mk
# make -- Will build for the devkitARM toolchain
# make CROSSDEV=arm-eabi- -- Will build for the devkitARM toolchain
# make CROSSDEV=arm-none-eabi- -- Will build for the CodeSourcery toolchain
# make CROSSDEV=arm-nuttx-elf- -- Will build for the NuttX buildroot toolchain
# make CROSSDEV=arm-nuttx-elf- -- Will build for the NuttX OABI buildroot toolchain
CROSSDEV = arm-eabi-
CC = $(CROSSDEV)gcc
@ -101,7 +101,7 @@ AFLAGS = $(CFLAGS) -D__ASSEMBLY__
NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) \
-T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld \
-T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-gotoffset.ld \
-no-check-sections
LDNXFLATFLAGS = -e main -s 2048

6
configs/eagle100/thttpd/Make.defs
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@ -1,7 +1,7 @@
############################################################################
# configs/eagle100/thttpd/Make.defs
#
# Copyright (C) 2009 Gregory Nutt. All rights reserved.
# Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@ -40,7 +40,7 @@ include ${TOPDIR}/tools/Config.mk
# make -- Will build for the devkitARM toolchain
# make CROSSDEV=arm-eabi- -- Will build for the devkitARM toolchain
# make CROSSDEV=arm-none-eabi- -- Will build for the CodeSourcery toolchain
# make CROSSDEV=arm-nuttx-elf- -- Will build for the NuttX buildroot toolchain
# make CROSSDEV=arm-nuttx-elf- -- Will build for the NuttX OABI buildroot toolchain
CROSSDEV = arm-eabi-
CC = $(CROSSDEV)gcc
@ -101,7 +101,7 @@ AFLAGS = $(CFLAGS) -D__ASSEMBLY__
NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) \
-T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld \
-T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-gotoff.ld \
-no-check-sections
LDNXFLATFLAGS = -e main -s 2048

4
configs/lpcxpresso-lpc1768/README.txt
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@ -800,6 +800,10 @@ Where <subdir> is one of the following:
NOTE: You will need to build the NXFLAT toolchain as described
above in order to use this example.
See also note above with regard to the EABI/OABI buildroot
toolchains. This example can only be built using the older
OABI toolchain.
Jumpers: Nothing special. Use the default base board jumper
settings.

14
configs/lpcxpresso-lpc1768/thttpd/Make.defs
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@ -1,7 +1,7 @@
############################################################################
# configs/lpcxpresso-lpc1768/thttpd/Make.defs
#
# Copyright (C) 2011 Gregory Nutt. All rights reserved.
# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@ -59,11 +59,11 @@ endif
ifeq ($(CONFIG_LPC17_BUILDROOT),y)
# NuttX buildroot under Linux or Cygwin
# OABI
# CROSSDEV = arm-nuttx-elf-
# ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
CROSSDEV = arm-nuttx-elf-
ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
# EABI
CROSSDEV = arm-nuttx-eabi-
ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
# CROSSDEV = arm-nuttx-eabi-
# ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
MAXOPTIMIZATION = -Os
endif
ifeq ($(CONFIG_LPC17_CODEREDW),y)
@ -88,14 +88,14 @@ ifeq ($(WINTOOL),y)
ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/thttpd/ld.script}"
MAXOPTIMIZATION = -O2
NXFLATLDSCRIPT = -T "${shell cygpath -w $(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld}"
NXFLATLDSCRIPT = -T "${shell cygpath -w $(TOPDIR)/binfmt/libnxflat/gnu-nxflat-gotoff.ld}"
else
# Linux/Cygwin-native toolchain
MKDEP = $(TOPDIR)/tools/mkdeps.sh
ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/thttpd/ld.script
NXFLATLDSCRIPT = -T"$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld"
NXFLATLDSCRIPT = -T"$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-gotoff.ld"
endif
CC = $(CROSSDEV)gcc

4
configs/olimex-lpc1766stk/README.txt
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@ -1025,6 +1025,10 @@ Where <subdir> is one of the following:
This builds the THTTPD web server example using the THTTPD and
the apps/examples/thttpd application.
NOTE: See note above with regard to the EABI/OABI buildroot
toolchains. This example can only be built using the older
OABI toolchain.
usbserial:
This configuration directory exercises the USB serial class
driver at apps/examples/usbserial. See apps/examples/README.txt for

12
configs/olimex-lpc1766stk/thttpd/Make.defs
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@ -1,7 +1,7 @@
############################################################################
# configs/olimex-lpc1766stk/thttpd/Make.defs
#
# Copyright (C) 2010 Gregory Nutt. All rights reserved.
# Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@ -59,11 +59,11 @@ endif
ifeq ($(CONFIG_LPC17_BUILDROOT),y)
# NuttX buildroot under Linux or Cygwin
# OABI
# CROSSDEV = arm-nuttx-elf-
# ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
CROSSDEV = arm-nuttx-elf-
ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
# EABI
CROSSDEV = arm-nuttx-eabi-
ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
# CROSSDEV = arm-nuttx-eabi-
# ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
MAXOPTIMIZATION = -Os
endif
@ -120,7 +120,7 @@ CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
AFLAGS = $(CFLAGS) -D__ASSEMBLY__
NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-gotoff.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048
OBJEXT = .o

7
lib/stdio/lib_libdtoa.c
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@ -223,10 +223,17 @@ static void lib_dtoa(FAR struct lib_outstream_s *obj, int fmt, int prec,
/* Print the integer part to the left of the decimal point */
for (i = expt; i > 0; i--)
{
if (*digits != '\0')
{
obj->put(obj, *digits);
digits++;
}
else
{
obj->put(obj, '0');
}
}
/* Get the length of the fractional part */