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Add an example for testing the ELF loader 

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5260 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-10-25 20:06:46 +00:00
parent 9c65fe23b2
commit 92bbd36612
33 changed files with 2862 additions and 2 deletions
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3
apps/ChangeLog.txt
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@ -380,6 +380,7 @@
* apps/examples/nximage/nximage_main.c: Add a 5 second delay after the * apps/examples/nximage/nximage_main.c: Add a 5 second delay after the
NX logo is presented so that there is time for the image to be verified. NX logo is presented so that there is time for the image to be verified.
Suggested by Petteri Aimonen. Suggested by Petteri Aimonen.
i * apps/Makefile: Small change that reduces the number of shell invocations * apps/Makefile: Small change that reduces the number of shell invocations
by one (Mike Smith). by one (Mike Smith).
* apps/examples/elf: Test example for the ELF loader.

4
apps/examples/Kconfig
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@ -27,6 +27,10 @@ menu "DHCP Server Example"
source "$APPSDIR/examples/dhcpd/Kconfig" source "$APPSDIR/examples/dhcpd/Kconfig"
endmenu endmenu
menu "ELF Loader Example"
source "$APPSDIR/examples/elf/Kconfig"
endmenu
menu "FTP Client Example" menu "FTP Client Example"
source "$APPSDIR/examples/ftpc/Kconfig" source "$APPSDIR/examples/ftpc/Kconfig"
endmenu endmenu

4
apps/examples/Make.defs
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@ -62,6 +62,10 @@ ifeq ($(CONFIG_EXAMPLES_DISCOVER),y)
CONFIGURED_APPS += examples/discover CONFIGURED_APPS += examples/discover
endif endif
ifeq ($(CONFIG_EXAMPLES_ELF),y)
CONFIGURED_APPS += examples/elf
endif
ifeq ($(CONFIG_EXAMPLES_FTPC),y) ifeq ($(CONFIG_EXAMPLES_FTPC),y)
CONFIGURED_APPS += examples/ftpc CONFIGURED_APPS += examples/ftpc
endif endif

2
apps/examples/Makefile
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@ -37,7 +37,7 @@
# Sub-directories # Sub-directories
SUBDIRS = adc buttons can cdcacm composite dhcpd discover ftpc ftpd hello SUBDIRS = adc buttons can cdcacm composite dhcpd discover elf ftpc ftpd hello
SUBDIRS += helloxx hidkbd igmp lcdrw mm modbus mount nettest nsh null nx SUBDIRS += helloxx hidkbd igmp lcdrw mm modbus mount nettest nsh null nx
SUBDIRS += nxconsole nxffs nxflat nxhello nximage nxlines nxtext ostest SUBDIRS += nxconsole nxffs nxflat nxhello nximage nxlines nxtext ostest
SUBDIRS += pashello pipe poll pwm qencoder rgmp romfs serloop telnetd SUBDIRS += pashello pipe poll pwm qencoder rgmp romfs serloop telnetd

13
apps/examples/elf/Kconfig Normal file
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@ -0,0 +1,13 @@
#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#
config EXAMPLES_ELF
bool "ELF Loader Example"
default n
---help---
Enable the ELF loader example
if EXAMPLES_ELF
endif

98
apps/examples/elf/Makefile Normal file
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@ -0,0 +1,98 @@
############################################################################
# apps/examples/elf/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
include $(APPDIR)/Make.defs
# ELF Example
ASRCS =
CSRCS = elf_main.c
AOBJS = $(ASRCS:.S=$(OBJEXT))
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)
ifeq ($(WINTOOL),y)
BIN = "${shell cygpath -w $(APPDIR)/libapps$(LIBEXT)}"
else
BIN = "$(APPDIR)/libapps$(LIBEXT)"
endif
ROOTDEPPATH = --dep-path .
# Common build
VPATH =
all: .built
.PHONY: headers clean depend disclean
$(AOBJS): %$(OBJEXT): %.S
$(call ASSEMBLE, $<, $@)
$(COBJS): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
headers:
@$(MAKE) -C tests TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" CROSSDEV=$(CROSSDEV)
.built: $(OBJS)
@( for obj in $(OBJS) ; do \
$(call ARCHIVE, $(BIN), $${obj}); \
done ; )
@touch .built
context:
# We can't make dependencies in this directory because the required
# header files may not yet exist.
.depend:
@touch $@
depend: .depend
clean:
@rm -f *.o *~ .*.swp .built
$(call CLEAN)
distclean: clean
@rm -f Make.dep .depend
-include Make.dep

224
apps/examples/elf/elf_main Normal file
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@ -0,0 +1,224 @@
/****************************************************************************
* examples/elf/elf_main.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <nuttx/config.h>
#include <nuttx/compiler.h>
#include <sys/mount.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/ramdisk.h>
#include <nuttx/binfmt/binfmt.h>
#include <nuttx/binfmt/elf.h>
#include "tests/romfs.h"
#include "tests/dirlist.h"
#include "tests/symtab.h"
/****************************************************************************
* Definitions
****************************************************************************/
/* Check configuration. This is not all of the configuration settings that
* are required -- only the more obvious.
*/
#if CONFIG_NFILE_DESCRIPTORS < 1
# error "You must provide file descriptors via CONFIG_NFILE_DESCRIPTORS in your configuration file"
#endif
#ifndef CONFIG_ELF
# error "You must select CONFIG_ELF in your configuration file"
#endif
#ifndef CONFIG_FS_ROMFS
# error "You must select CONFIG_FS_ROMFS in your configuration file"
#endif
#ifdef CONFIG_DISABLE_MOUNTPOINT
# error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file"
#endif
#ifdef CONFIG_BINFMT_DISABLE
# error "You must not disable loadable modules via CONFIG_BINFMT_DISABLE in your configuration file"
#endif
/* Describe the ROMFS file system */
#define SECTORSIZE 512
#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE)
#define ROMFSDEV "/dev/ram0"
#define MOUNTPT "/mnt/romfs"
/* If CONFIG_DEBUG is enabled, use dbg instead of printf so that the
* output will be synchronous with the debug output.
*/
#ifdef CONFIG_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(format, arg...) dbg(format, ##arg)
# define err(format, arg...) dbg(format, ##arg)
# else
# define message(format, arg...) printf(format, ##arg)
# define err(format, arg...) fprintf(stderr, format, ##arg)
# endif
#else
# ifdef CONFIG_DEBUG
# define message dbg
# define err dbg
# else
# define message printf
# define err printf
# endif
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static const char delimiter[] =
"****************************************************************************";
static char path[128];
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: testheader
****************************************************************************/
static inline void testheader(FAR const char *progname)
{
message("\n%s\n* Executing %s\n%s\n\n", delimiter, progname, delimiter);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: elf_main
****************************************************************************/
int elf_main(int argc, char *argv[])
{
struct binary_s bin;
int ret;
int i;
/* Initialize the ELF binary loader */
message("Initializing the ELF binary loader\n");
ret = elf_initialize();
if (ret < 0)
{
err("ERROR: Initialization of the ELF loader failed: %d\n", ret);
exit(1);
}
/* Create a ROM disk for the ROMFS filesystem */
message("Registering romdisk\n");
ret = romdisk_register(0, romfs_img, NSECTORS(romfs_img_len), SECTORSIZE);
if (ret < 0)
{
err("ERROR: romdisk_register failed: %d\n", ret);
elf_uninitialize();
exit(1);
}
/* Mount the file system */
message("Mounting ROMFS filesystem at target=%s with source=%s\n",
MOUNTPT, ROMFSDEV);
ret = mount(ROMFSDEV, MOUNTPT, "romfs", MS_RDONLY, NULL);
if (ret < 0)
{
err("ERROR: mount(%s,%s,romfs) failed: %s\n",
ROMFSDEV, MOUNTPT, errno);
elf_uninitialize();
}
/* Now excercise every progrm in the ROMFS file system */
for (i = 0; dirlist[i]; i++)
{
testheader(dirlist[i]);
memset(&bin, 0, sizeof(struct binary_s));
snprintf(path, 128, "%s/%s", MOUNTPT, dirlist[i]);
bin.filename = path;
bin.exports = exports;
bin.nexports = NEXPORTS;
ret = load_module(&bin);
if (ret < 0)
{
err("ERROR: Failed to load program '%s'\n", dirlist[i]);
exit(1);
}
ret = exec_module(&bin, 50);
if (ret < 0)
{
err("ERROR: Failed to execute program '%s'\n", dirlist[i]);
unload_module(&bin);
}
message("Wait a bit for test completion\n");
sleep(4);
}
message("End-of-Test.. Exit-ing\n");
return 0;
}

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apps/examples/elf/tests/Makefile Normal file
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@ -0,0 +1,100 @@
############################################################################
# apps/examples/elf/tests/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
# Most of these do no build yet
SUBDIRS = errno hello hello++ longjmp mutex pthread signal task struct
ELF_DIR = $(APPDIR)/examples/elf
TESTS_DIR = $(ELF_DIR)/tests
ROMFS_DIR = $(TESTS_DIR)/romfs
ROMFS_IMG = $(TESTS_DIR)/romfs.img
ROMFS_HDR = $(TESTS_DIR)/romfs.h
ROMFS_DIRLIST = $(TESTS_DIR)/dirlist.h
SYMTAB = $(TESTS_DIR)/symtab.h
define DIR_template
$(1)_$(2):
@$(MAKE) -C $(1) $(3) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" CROSSDEV=$(CROSSDEV)
endef
all: $(ROMFS_HDR) $(ROMFS_DIRLIST) $(SYMTAB)
.PHONY: all build clean install populate
$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),build, all)))
$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),clean,clean)))
$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),install,install)))
# Build program(s) in each sud-directory
build: $(foreach DIR, $(SUBDIRS), $(DIR)_build)
# Install each program in the romfs directory
install: $(foreach DIR, $(SUBDIRS), $(DIR)_install)
# Create the romfs directory
$(ROMFS_DIR):
@mkdir $(ROMFS_DIR)
# Populate the romfs directory
populate: $(ROMFS_DIR) build install
# Create the romfs.img file from the populated romfs directory
$(ROMFS_IMG): populate
@genromfs -f $@ -d $(ROMFS_DIR) -V "ELFTEST"
# Create the romfs.h header file from the romfs.img file
$(ROMFS_HDR) : $(ROMFS_IMG)
@(cd $(TESTS_DIR); xxd -i romfs.img | sed -e "s/^unsigned/static const unsigned/g" >$@)
# Create the dirlist.h header file from the romfs directory
$(ROMFS_DIRLIST) : populate
@$(TESTS_DIR)/mkdirlist.sh $(ROMFS_DIR) >$@
# Create the exported symbol table list from the derived *-thunk.S files
$(SYMTAB): build
@$(TESTS_DIR)/mksymtab.sh $(TESTS_DIR) >$@
# Clean each subdirectory
clean: $(foreach DIR, $(SUBDIRS), $(DIR)_clean)
@rm -f $(ROMFS_HDR) $(ROMFS_IMG) $(SYMTAB)
@rm -rf $(ROMFS_DIR)

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apps/examples/elf/tests/errno/Makefile Normal file
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@ -0,0 +1,59 @@
############################################################################
# examples/elf/tests/hello/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN = errno
SRCS = $(BIN).c
OBJS = $(BIN:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

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apps/examples/elf/tests/errno/errno.c Normal file
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@ -0,0 +1,83 @@
/****************************************************************************
* examples/elf/tests/errno/errno.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <stdlib.h>
#include <errno.h>
/****************************************************************************
* Included Files
****************************************************************************/
static const char g_nonexistent[] = "aflav-sautga-ay";
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv)
{
FILE *test_stream;
/* Try using stdout and stderr explicitly. These are global variables
* exported from the base code.
*/
fprintf(stdout, "Hello, World on stdout\n");
fprintf(stderr, "Hello, World on stderr\n");
/* Try opening a non-existent file using buffered IO. */
test_stream = fopen(g_nonexistent, "r");
if (test_stream)
{
fprintf(stderr, "Hmm... Delete \"%s\" and try this again\n",
g_nonexistent);
exit(1);
}
/* Now print the errno on stderr. Errno is also a global
* variable exported by the base code.
*/
fprintf(stderr, "We failed to open \"%s!\" errno is %d\n",
g_nonexistent, errno);
return 0;
}

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apps/examples/elf/tests/hello++/Makefile Normal file
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############################################################################
# examples/elf/tests/hello/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN1 = hello++1
BIN2 = hello++2
BIN3 = hello++3
#BIN4 = hello++4
ALL_BIN = $(BIN1) $(BIN2) $(BIN3) $(BIN4)
SRCS1 = $(BIN1).c
OBJS1 = $(SRCS1:.c=.o)
SRCS2 = $(BIN2).c
OBJS2 = $(SRCS2:.c=.o)
SRCS3 = $(BIN3).c
OBJS3 = $(SRCS3:.c=.o)
#SRCS4 = $(BIN4).c
#OBJS4 = $(SRCS4:.c=.o)
SRCS = $(SRCS1) $(SRCS2) $(SRCS3) $(SRCS4)
OBJS = $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4)
LIBSTDC_STUBS_DIR = $(TOPDIR)/libxx
LIBSTDC_STUBS_LIB = $(LIBSTDC_STUBS_DIR)/liblibxx.a
all: $(BIN1) $(BIN2) $(BIN3) $(BIN4)
$(OBJS): %.o: %.cpp
@echo "CC: $<"
@$(CXX) -c $(CXXPICFLAGS) $< -o $@
# This contains libstdc++ stubs to that you can build C++ code
# without actually having libstdc++
$(LIBSTDC_STUBS_LIB):
@$(MAKE) -C $(LIBSTDC_STUBS_DIR) TOPDIR=$(TOPDIR)
# BIN1 and BIN2 link just like C code because they contain no
# static constructors. BIN1 is equivalent to a C hello world;
# BIN2 contains a class that implements hello world, but it is
# not statically initialized.
$(BIN1): $(OBJS1)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
$(BIN2): $(OBJS2)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
# BIN3 is equivalent to BIN2 except that is uses static initializers
$(BIN3): $(OBJS3)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
# BIN4 is similar to BIN3 except that it uses the streams code from libstdc++
#
# NOTE: libstdc++ is not available for NuttX as of this writing
#
#$(BIN4): $(OBJS4)
# @echo "LD: $<"
# @$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(ALL_BIN) *.o *~ .*.swp core
install: $(ALL_BIN)
@install -D $(BIN1) $(ROMFS_DIR)/$(BIN1)
@install -D $(BIN2) $(ROMFS_DIR)/$(BIN2)
@install -D $(BIN3) $(ROMFS_DIR)/$(BIN3)
# @install -D $(BIN4) $(ROMFS_DIR)/$(BIN4)

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apps/examples/elf/tests/hello++/hello++1.cpp Normal file
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/////////////////////////////////////////////////////////////////////////////
// examples/elf/tests/hello++/hello++1.c
//
// Copyright (C) 2012 Gregory Nutt. All rights reserved.
// Author: Gregory Nutt <gnutt@nuttx.org>
//
// 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 NuttX 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.
//
/////////////////////////////////////////////////////////////////////////////
//
// This is an trivial version of "Hello, World" program. It illustrates
// that we can build C programs using the C++ compiler.
//
// - Building a C++ program to use the C library
// - No class creation
// - NO Streams
// - NO Static constructor and destructors
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Included Files
/////////////////////////////////////////////////////////////////////////////
#include <cstdio>
/////////////////////////////////////////////////////////////////////////////
// Public Functions
/////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
printf("Hello, World!\n");
return 0;
}

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/////////////////////////////////////////////////////////////////////////////
// examples/elf/tests/hello++/hello++2.c
//
// Copyright (C) 2012 Gregory Nutt. All rights reserved.
// Author: Gregory Nutt <gnutt@nuttx.org>
//
// 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 NuttX 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.
//
/////////////////////////////////////////////////////////////////////////////
//
// This is an another trivial version of "Hello, World" design. It illustrates
//
// - Building a C++ program to use the C library
// - Basic class creation
// - NO Streams
// - NO Static constructor and destructors
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Included Files
/////////////////////////////////////////////////////////////////////////////
#include <cstdio>
/////////////////////////////////////////////////////////////////////////////
// Classes
/////////////////////////////////////////////////////////////////////////////
class CThingSayer
{
const char *szWhatToSay;
public:
CThingSayer(void)
{
printf("CThingSayer::CThingSayer: I am!\n");
szWhatToSay = (const char*)NULL;
}
~CThingSayer(void)
{
printf("CThingSayer::~CThingSayer: I cease to be\n");
if (szWhatToSay)
{
printf("CThingSayer::~CThingSayer: I will never say '%s' again\n",
szWhatToSay);
}
szWhatToSay = (const char*)NULL;
}
void Initialize(const char *czSayThis)
{
printf("CThingSayer::Initialize: When told, I will say '%s'\n",
czSayThis);
szWhatToSay = czSayThis;
}
void SayThing(void)
{
printf("CThingSayer::SayThing: I am now saying '%s'\n", szWhatToSay);
}
};
/////////////////////////////////////////////////////////////////////////////
// Public Functions
/////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
CThingSayer *MyThingSayer;
printf("main: Started. Creating MyThingSayer\n");
// Create an instance of the CThingSayer class
// We should see the message from constructor, CThingSayer::CThingSayer(),
MyThingSayer = new CThingSayer;
printf("main: Created MyThingSayer=0x%08lx\n", (long)MyThingSayer);
// Tell MyThingSayer that "Hello, World!" is the string to be said
printf("main: Calling MyThingSayer->Initialize\n");;
MyThingSayer->Initialize("Hello, World!");
// Tell MyThingSayer to say the thing we told it to say
printf("main: Calling MyThingSayer->SayThing\n");;
MyThingSayer->SayThing();
// We should see the message from the destructor,
// CThingSayer::~CThingSayer(), AFTER we see the following
printf("main: Destroying MyThingSayer\n");
delete MyThingSayer;
printf("main: Returning\n");;
return 0;
}

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/////////////////////////////////////////////////////////////////////////////
// examples/elf/tests/hello++/hello++3.c
//
// Copyright (C) 2012 Gregory Nutt. All rights reserved.
// Author: Gregory Nutt <gnutt@nuttx.org>
//
// 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 NuttX 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.
//
/////////////////////////////////////////////////////////////////////////////
//
// This is an another trivial version of "Hello, World" design. It illustrates
//
// - Building a C++ program to use the C library and stdio
// - Basic class creation with virtual methods.
// - Static constructor and destructors (in main program only)
// - NO Streams
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Included Files
/////////////////////////////////////////////////////////////////////////////
#include <cstdio>
/////////////////////////////////////////////////////////////////////////////
// Classes
/////////////////////////////////////////////////////////////////////////////
class CThingSayer
{
const char *szWhatToSay;
public:
CThingSayer(void);
virtual ~CThingSayer(void);
virtual void Initialize(const char *czSayThis);
virtual void SayThing(void);
};
// A static instance of the CThingSayer class. This instance MUST
// be constructed by the system BEFORE the program is started at
// main() and must be destructed by the system AFTER the main()
// returns to the system
static CThingSayer MyThingSayer;
// These are implementations of the methods of the CThingSayer class
CThingSayer::CThingSayer(void)
{
printf("CThingSayer::CThingSayer: I am!\n");
szWhatToSay = (const char*)NULL;
}
CThingSayer::~CThingSayer(void)
{
printf("CThingSayer::~CThingSayer: I cease to be\n");
if (szWhatToSay)
{
printf("CThingSayer::~CThingSayer: I will never say '%s' again\n",
szWhatToSay);
}
szWhatToSay = (const char*)NULL;
}
void CThingSayer::Initialize(const char *czSayThis)
{
printf("CThingSayer::Initialize: When told, I will say '%s'\n",
czSayThis);
szWhatToSay = czSayThis;
}
void CThingSayer::SayThing(void)
{
printf("CThingSayer::SayThing: I am now saying '%s'\n", szWhatToSay);
}
/////////////////////////////////////////////////////////////////////////////
// Public Functions
/////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
// We should see the message from constructor, CThingSayer::CThingSayer(),
// BEFORE we see the following messages. That is proof that the
// C++ static initializer is working
printf("main: Started. MyThingSayer should already exist\n");
// Tell MyThingSayer that "Hello, World!" is the string to be said
printf("main: Calling MyThingSayer.Initialize\n");;
MyThingSayer.Initialize("Hello, World!");
// Tell MyThingSayer to say the thing we told it to say
printf("main: Calling MyThingSayer.SayThing\n");;
MyThingSayer.SayThing();
// We are finished, return. We should see the message from the
// destructor, CThingSayer::~CThingSayer(), AFTER we see the following
// message. That is proof that the C++ static destructor logic
// is working
printf("main: Returning. MyThingSayer should be destroyed\n");;
return 0;
}

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/////////////////////////////////////////////////////////////////////////////
// examples/elf/tests/hello++/hello++4.c
//
// Copyright (C) 2012 Gregory Nutt. All rights reserved.
// Author: Gregory Nutt <gnutt@nuttx.org>
//
// 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 NuttX 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.
//
/////////////////////////////////////////////////////////////////////////////
//
// This is an excessively complex version of "Hello, World" design to
// illustrate some basic properties of C++:
//
// - Building a C++ program
// - Streams / statically linked libstdc++
// - Static constructor and destructors (in main program only)
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Included Files
/////////////////////////////////////////////////////////////////////////////
#include <cstdio>
#include <iostream>
#ifndef NULL
# define NULL ((void*)0L)
#endif
/////////////////////////////////////////////////////////////////////////////
// Classes
/////////////////////////////////////////////////////////////////////////////
using namespace std;
// A hello world sayer class
class CThingSayer
{
const char *szWhatToSay;
public:
CThingSayer(void);
virtual ~CThingSayer(void);
virtual void Initialize(const char *czSayThis);
virtual void SayThing(void);
};
/////////////////////////////////////////////////////////////////////////////
// Private Data
/////////////////////////////////////////////////////////////////////////////
// A static instance of the CThingSayer class. This instance MUST
// be constructed by the system BEFORE the program is started at
// main() and must be destructed by the system AFTER the main()
// returns to the system
static CThingSayer MyThingSayer;
/////////////////////////////////////////////////////////////////////////////
// Method Implementations
/////////////////////////////////////////////////////////////////////////////
// These are implementations of the methods of the CThingSayer class
CThingSayer::CThingSayer(void)
{
cout << "CThingSayer::CThingSayer: I am!" << endl;
szWhatToSay = (const char*)NULL;
}
CThingSayer::~CThingSayer(void)
{
cout << "CThingSayer::~CThingSayer: I cease to be" << endl;
if (szWhatToSay)
{
cout << "CThingSayer::~CThingSayer: I will never say '"
<< szWhatToSay << "' again" << endl;
}
szWhatToSay = (const char*)NULL;
}
void CThingSayer::Initialize(const char *czSayThis)
{
cout << "CThingSayer::Initialize: When told, I will say '"
<< czSayThis << "'" << endl;
szWhatToSay = czSayThis;
}
void CThingSayer::SayThing(void)
{
cout << "CThingSayer::SayThing: I am now saying '"
<< szWhatToSay << "'" << endl;
}
/////////////////////////////////////////////////////////////////////////////
// Public Functions
/////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
// We should see the message from constructor, CThingSayer::CThingSayer(),
// BEFORE we see the following messages. That is proof that the
// C++ static initializer is working
cout << "main: Started" << endl;
// Tell MyThingSayer that "Hello, World!" is the string to be said
cout << "main: Calling MyThingSayer.Initialize" << endl;
MyThingSayer.Initialize("Hello, World!");
// Tell MyThingSayer to say the thing we told it to say
cout << "main: Calling MyThingSayer.SayThing" << endl;
MyThingSayer.SayThing();
// We are finished, return. We should see the message from the
// destructor, CThingSayer::~CThingSayer(), AFTER we see the following
// message. That is proof that the C++ static destructor logic
// is working
cout << "main: Returning" << endl;
return 0;
}

58
apps/examples/elf/tests/hello/Makefile Normal file
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############################################################################
# examples/elf/tests/hello/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN = hello
SRCS = $(BIN).c
OBJS = $(BIN:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

78
apps/examples/elf/tests/hello/hello.c Normal file
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/****************************************************************************
* examples/elf/tests/hello/hello.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <stdlib.h>
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv)
{
int i;
/* Mandatory "Hello, world!" */
puts("Getting ready to say \"Hello, world\"\n");
printf("Hello, world!\n");
puts("It has been said.\n");
/* Print arguments */
printf("argc\t= %d\n", argc);
printf("argv\t= 0x%p\n", argv);
for (i = 0; i < argc; i++)
{
printf("argv[%d]\t= ", i);
if (argv[i])
{
printf("(0x%p) \"%s\"\n", argv[i], argv[i]);
}
else
{
printf("NULL?\n");
}
}
printf("argv[%d]\t= 0x%p\n", argc, argv[argc]);
printf("Goodbye, world!\n");
return 0;
}

58
apps/examples/elf/tests/longjmp/Makefile Normal file
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############################################################################
# examples/elf/tests/longjmp/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN = longjmp
SRCS = $(BIN).c
OBJS = $(BIN:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

128
apps/examples/elf/tests/longjmp/longjmp.c Normal file
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/****************************************************************************
* examples/elf/tests/longjmp/longjmp.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <setjmp.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define MAIN_VAL 47
#define FUNC_VAL 92
#define LEAF_VAL 163
#define FUNCTION_ARG MAIN_VAL
#define LEAF_ARG (FUNCTION_ARG + FUNC_VAL)
#define SETJMP_RETURN (LEAF_ARG + LEAF_VAL)
/****************************************************************************
* Private Data
****************************************************************************/
static jmp_buf env;
/****************************************************************************
* Private Functions
****************************************************************************/
static int leaf(int *some_arg)
{
int some_local_variable = *some_arg + LEAF_VAL;
printf("leaf: received %d\n", *some_arg);
if (*some_arg != LEAF_ARG)
printf("leaf: ERROR: expected %d\n", LEAF_ARG);
printf("leaf: Calling longjmp() with %d\n", some_local_variable);
longjmp(env, some_local_variable);
}
static int function(int some_arg)
{
int some_local_variable = some_arg + FUNC_VAL;
int retval;
printf("function: received %d\n", some_arg);
if (some_arg != FUNCTION_ARG)
printf("function: ERROR: expected %d\n", FUNCTION_ARG);
printf("function: Calling leaf() with %d\n", some_local_variable);
retval = leaf(&some_local_variable);
printf("function: ERROR -- leaf returned!\n");
return retval;
}
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv)
{
int value;
printf("main: Calling setjmp\n");
value = setjmp(env);
printf("main: setjmp returned %d\n", value);
if (value == 0)
{
printf("main: Normal setjmp return\n");
printf("main: Calling function with %d\n", MAIN_VAL);
function(MAIN_VAL);
printf("main: ERROR -- function returned!\n");
return 1;
}
else if (value != SETJMP_RETURN)
{
printf("main: ERROR: Expected %d\n", SETJMP_RETURN);
return 1;
}
else
{
printf("main: SUCCESS: setjmp return from longjmp call\n");
return 0;
}
}

35
apps/examples/elf/tests/mkdirlist.sh Executable file
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#!/bin/bash
usage="Usage: %0 <romfs-dir-path>"
dir=$1
if [ -z "$dir" ]; then
echo "ERROR: Missing <romfs-dir-path>"
echo ""
echo $usage
exit 1
fi
if [ ! -d "$dir" ]; then
echo "ERROR: Directory $dir does not exist"
echo ""
echo $usage
exit 1
fi
echo "#ifndef __EXAMPLES_ELF_TESTS_DIRLIST_H"
echo "#define __EXAMPLES_ELF_TESTS_DIRLIST_H"
echo ""
echo "static const char *dirlist[] ="
echo "{"
for file in `ls $dir`; do
echo " \"$file\","
done
echo " NULL"
echo "};"
echo ""
echo "#endif /* __EXAMPLES_ELF_TESTS_DIRLIST_H */"

39
apps/examples/elf/tests/mksymtab.sh Executable file
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#!/bin/bash
usage="Usage: %0 <test-dir-path>"
dir=$1
if [ -z "$dir" ]; then
echo "ERROR: Missing <test-dir-path>"
echo ""
echo $usage
exit 1
fi
if [ ! -d "$dir" ]; then
echo "ERROR: Directory $dir does not exist"
echo ""
echo $usage
exit 1
fi
varlist=`find $dir -name "*-thunk.S"| xargs grep -h asciz | cut -f3 | sort | uniq`
echo "#ifndef __EXAMPLES_ELF_TESTS_SYMTAB_H"
echo "#define __EXAMPLES_ELF_TESTS_SYMTAB_H"
echo ""
echo "#include <nuttx/binfmt/symtab.h>"
echo ""
echo "static const struct symtab_s exports[] = "
echo "{"
for string in $varlist; do
var=`echo $string | sed -e "s/\"//g"`
echo " {$string, $var},"
done
echo "};"
echo "#define NEXPORTS (sizeof(exports)/sizeof(struct symtab_s))"
echo ""
echo "#endif /* __EXAMPLES_ELF_TESTS_SYMTAB_H */"

58
apps/examples/elf/tests/mutex/Makefile Normal file
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############################################################################
# examples/elf/tests/mutex/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN = mutex
SRCS = $(BIN).c
OBJS = $(BIN:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

149
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/****************************************************************************
* examples/elf/tests/mutex/mutex.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
/****************************************************************************
* Private Data
****************************************************************************/
static pthread_mutex_t mut;
static volatile int my_mutex = 0;
static unsigned long nloops[2] = {0, 0};
static unsigned long nerrors[2] = {0, 0};
static volatile bool bendoftest;
/****************************************************************************
* Private Functions
****************************************************************************/
/* NOTE: it is necessary for functions that are referred to by function pointers
* pointer to be declared with global scope (at least for ARM). Otherwise,
* a relocation type that is not supported by ELF is generated by GCC.
*/
void thread_func(void *parameter)
{
int my_id = (int)parameter;
int my_ndx = my_id - 1;
int i;
/* Loop 20 times. There is a 100 MS delay in the loop so this should
* take about 2 seconds. The main thread will stop this thread after
* 2 seconds by setting bendoftest in any event.
*/
for (i = 0; i < 20 && !bendoftest; i++);
{
if ((pthread_mutex_lock(&mut)) != 0)
{
printf("ERROR thread %d: pthread_mutex_lock failed\n", my_id);
}
if (my_mutex == 1)
{
printf("ERROR thread=%d: "
"my_mutex should be zero, instead my_mutex=%d\n",
my_id, my_mutex);
nerrors[my_ndx]++;
}
my_mutex = 1;
usleep(100000);
my_mutex = 0;
if ((pthread_mutex_unlock(&mut)) != 0)
{
printf("ERROR thread %d: pthread_mutex_unlock failed\n", my_id);
}
nloops[my_ndx]++;
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv)
{
pthread_t thread1;
pthread_t thread2;
/* Initialize the mutex */
pthread_mutex_init(&mut, NULL);
/* Start two thread instances */
printf("Starting thread 1\n");
bendoftest = false;
if ((pthread_create(&thread1, NULL, (void*)thread_func, (void*)1)) != 0)
{
fprintf(stderr, "Error in thread#1 creation\n");
}
printf("Starting thread 2\n");
if ((pthread_create(&thread2, NULL, (void*)thread_func, (void*)2)) != 0)
{
fprintf(stderr, "Error in thread#2 creation\n");
}
/* Wait a bit for the threads to do their thing. */
sleep(2);
/* Then ask them politely to stop running */
printf("Stopping threads\n");
bendoftest = true;
pthread_join(thread1, NULL);
pthread_join(thread2, NULL);
printf("\tThread1\tThread2\n");
printf("Loops\t%ld\t%ld\n", nloops[0], nloops[1]);
printf("Errors\t%ld\t%ld\n", nerrors[0], nerrors[1]);
return 0;
}

58
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############################################################################
# examples/elf/tests/pthread/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN = pthread
SRCS = $(BIN).c
OBJS = $(BIN:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

143
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/****************************************************************************
* examples/elf/tests/pthread/pthread.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <stdlib.h>
#include <unistd.h>
#include <pthread.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define CHILD_ARG ((void*)0x12345678)
#define CHILD_RET ((void*)0x87654321)
/****************************************************************************
* Private Types
****************************************************************************/
enum exit_values_e
{
TESTRESULT_SUCCESS = 0,
TESTRESULT_PTHREAD_ATTR_INIT_FAIL,
TESTRESULT_PTHREAD_CREATE_FAIL,
TESTRESULT_PTHREAD_JOIN_FAIL,
TESTRESULT_CHILD_ARG_FAIL,
TESTRESULT_CHILD_RETVAL_FAIL,
};
/****************************************************************************
* External Functions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/* NOTE: it is necessary for functions that are referred to by function pointers
* pointer to be declared with global scope (at least for ARM). Otherwise,
* a relocation type that is not supported by ELF is generated by GCC.
*/
void *child_start_routine(void *arg)
{
printf("CHILD: started with arg=%d\n", (int)arg);
if (arg != CHILD_ARG)
{
printf("CHILD: expected arg=%d\n", (int)CHILD_ARG);
return (void*)TESTRESULT_CHILD_ARG_FAIL;
}
sleep(2);
printf("CHILD: returning %d\n", (int)CHILD_RET);
pthread_exit(CHILD_RET);
}
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv)
{
pthread_attr_t attr;
pthread_t thread;
void *retval;
int status;
puts("PARENT: started\n");
status = pthread_attr_init(&attr);
if (status != 0)
{
printf("PARENT: pthread_attr_init() returned %d\n", status);
exit(TESTRESULT_PTHREAD_ATTR_INIT_FAIL);
}
printf("PARENT: calling pthread_start with arg=%d\n", (int)CHILD_ARG);
status = pthread_create(&thread, &attr, child_start_routine, CHILD_ARG);
if (status != 0)
{
printf("PARENT: pthread_create() returned %d\n", status);
exit(TESTRESULT_PTHREAD_CREATE_FAIL);
}
status = pthread_join(thread, &retval);
if (status != 0)
{
printf("PARENT pthread_join() returned %d\n", status);
exit(TESTRESULT_PTHREAD_JOIN_FAIL);
}
printf("PARENT child exitted with %d\n", (int)retval);
if (retval != CHILD_RET)
{
printf("PARENT child thread did not exit with %d\n", (int)CHILD_RET);
exit(TESTRESULT_CHILD_RETVAL_FAIL);
}
puts("PARENT returning success\n");
return TESTRESULT_SUCCESS;
}

58
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############################################################################
# examples/elf/tests/signal/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN = signal
SRCS = $(BIN).c
OBJS = $(BIN:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

308
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/****************************************************************************
* examples/elf/tests/signal/signal.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
/****************************************************************************
* Definitions
****************************************************************************/
#define USEC_PER_MSEC 1000
#define MSEC_PER_SEC 1000
#define USEC_PER_SEC (USEC_PER_MSEC * MSEC_PER_SEC)
#define SHORT_DELAY (USEC_PER_SEC / 3)
/****************************************************************************
* Private Data
****************************************************************************/
static int sigusr1_rcvd = 0;
static int sigusr2_rcvd = 0;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: sigusr1_sighandler
****************************************************************************/
/* NOTE: it is necessary for functions that are referred to by function pointers
* pointer to be declared with global scope (at least for ARM). Otherwise,
* a relocation type that is not supported by ELF is generated by GCC.
*/
void sigusr1_sighandler(int signo)
{
printf("sigusr1_sighandler: Received SIGUSR1, signo=%d\n", signo);
sigusr1_rcvd = 1;
}
/****************************************************************************
* Name: sigusr2_sigaction
***************************************************************************/
/* NOTE: it is necessary for functions that are referred to by function pointers
* pointer to be declared with global scope (at least for ARM). Otherwise,
* a relocation type that is not supported by ELF is generated by GCC.
*/
#ifdef __USE_POSIX199309
void sigusr2_sigaction(int signo, siginfo_t *siginfo, void *arg)
{
printf("sigusr2_sigaction: Received SIGUSR2, signo=%d siginfo=%p arg=%p\n",
signo, siginfo, arg);
#ifdef HAVE_SIGQUEUE
if (siginfo)
{
printf(" si_signo = %d\n", siginfo->si_signo);
printf(" si_errno = %d\n", siginfo->si_errno);
printf(" si_code = %d\n", siginfo->si_code);
printf(" si_pid = %d\n", siginfo->si_pid);
printf(" si_uid = %d\n", siginfo->si_uid);
printf(" si_status = %d\n", siginfo->si_status);
printf(" si_utime = %ld\n", (long)siginfo->si_utime);
printf(" si_stime = %ld\n", (long)siginfo->si_stime);
printf(" si_value = %d\n", siginfo->si_value.sival_int);
printf(" si_int = %d\n", siginfo->si_int);
printf(" si_ptr = %p\n", siginfo->si_ptr);
printf(" si_addr = %p\n", siginfo->si_addr);
printf(" si_band = %ld\n", siginfo->si_band);
printf(" si_fd = %d\n", siginfo->si_fd);
}
#endif
sigusr2_rcvd = 1;
}
#else
void sigusr2_sigaction(int signo)
{
printf("sigusr2_sigaction: Received SIGUSR2, signo=%d\n", signo);
sigusr2_rcvd = 1;
}
#endif
/****************************************************************************
* Name: sigusr2_sighandler
****************************************************************************/
static void sigusr2_sighandler(int signo)
{
printf("sigusr2_sighandler: Received SIGUSR2, signo=%d\n", signo);
sigusr2_rcvd = 1;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: main
****************************************************************************/
int main(int argc, char **argv)
{
struct sigaction act;
struct sigaction oact;
void (*old_sigusr1_sighandler)(int signo);
void (*old_sigusr2_sighandler)(int signo);
pid_t mypid = getpid();
#if defined(__USE_POSIX199309) && defined(HAVE_SIGQUEUE)
sigval_t sigval;
#endif
int status;
printf("Setting up signal handlers from pid=%d\n", mypid);
/* Set up so that sigusr1_sighandler will respond to SIGUSR1 */
old_sigusr1_sighandler = signal(SIGUSR1, sigusr1_sighandler);
if (old_sigusr1_sighandler == SIG_ERR)
{
fprintf(stderr, "Failed to install SIGUSR1 handler, errno=%d\n",
errno);
exit(1);
}
printf("Old SIGUSR1 sighandler at %p\n", old_sigusr1_sighandler);
printf("New SIGUSR1 sighandler at %p\n", sigusr1_sighandler);
/* Set up so that sigusr2_sigaction will respond to SIGUSR2 */
memset(&act, 0, sizeof(struct sigaction));
act.sa_sigaction = sigusr2_sigaction;
act.sa_flags = SA_SIGINFO;
(void)sigemptyset(&act.sa_mask);
status = sigaction(SIGUSR2, &act, &oact);
if (status != 0)
{
fprintf(stderr, "Failed to install SIGUSR2 handler, errno=%d\n",
errno);
exit(2);
}
printf("Old SIGUSR2 sighandler at %p\n", oact.sa_handler);
printf("New SIGUSR2 sighandler at %p\n", sigusr2_sigaction);
printf("Raising SIGUSR1 from pid=%d\n", mypid);
fflush(stdout); usleep(SHORT_DELAY);
/* Send SIGUSR1 to ourselves via raise() */
status = raise(SIGUSR1);
if (status != 0)
{
fprintf(stderr, "Failed to raise SIGUSR1, errno=%d\n", errno);
exit(3);
}
usleep(SHORT_DELAY);
printf("SIGUSR1 raised from pid=%d\n", mypid);
/* Verify that we received SIGUSR1 */
if (sigusr1_rcvd == 0)
{
fprintf(stderr, "SIGUSR1 not received\n");
exit(4);
}
sigusr1_rcvd = 0;
/* Send SIGUSR2 to ourselves */
printf("Killing SIGUSR2 from pid=%d\n", mypid);
fflush(stdout); usleep(SHORT_DELAY);
#if defined(__USE_POSIX199309) && defined(HAVE_SIGQUEUE)
/* Send SIGUSR2 to ourselves via sigqueue() */
sigval.sival_int = 87;
status = sigqueue(mypid, SIGUSR2, sigval);
if (status != 0)
{
fprintf(stderr, "Failed to queue SIGUSR2, errno=%d\n", errno);
exit(5);
}
usleep(SHORT_DELAY);
printf("SIGUSR2 queued from pid=%d, sigval=97\n", mypid);
#else
/* Send SIGUSR2 to ourselves via kill() */
status = kill(mypid, SIGUSR2);
if (status != 0)
{
fprintf(stderr, "Failed to kill SIGUSR2, errno=%d\n", errno);
exit(5);
}
usleep(SHORT_DELAY);
printf("SIGUSR2 killed from pid=%d\n", mypid);
#endif
/* Verify that SIGUSR2 was received */
if (sigusr2_rcvd == 0)
{
fprintf(stderr, "SIGUSR2 not received\n");
exit(6);
}
sigusr2_rcvd = 0;
/* Remove the sigusr2_sigaction handler and replace the SIGUSR2
* handler with sigusr2_sighandler.
*/
printf("Resetting SIGUSR2 signal handler from pid=%d\n", mypid);
old_sigusr2_sighandler = signal(SIGUSR2, sigusr2_sighandler);
if (old_sigusr2_sighandler == SIG_ERR)
{
fprintf(stderr, "Failed to install SIGUSR2 handler, errno=%d\n",
errno);
exit(7);
}
printf("Old SIGUSR2 sighandler at %p\n", old_sigusr2_sighandler);
printf("New SIGUSR2 sighandler at %p\n", sigusr2_sighandler);
/* Verify that the handler that was removed was sigusr2_sigaction */
if ((void*)old_sigusr2_sighandler != (void*)sigusr2_sigaction)
{
fprintf(stderr,
"Old SIGUSR2 signhanlder (%p) is not sigusr2_sigation (%p)\n",
old_sigusr2_sighandler, sigusr2_sigaction);
exit(8);
}
/* Send SIGUSR2 to ourselves via kill() */
printf("Killing SIGUSR2 from pid=%d\n", mypid);
fflush(stdout); usleep(SHORT_DELAY);
status = kill(mypid, SIGUSR2);
if (status != 0)
{
fprintf(stderr, "Failed to kill SIGUSR2, errno=%d\n", errno);
exit(9);
}
usleep(SHORT_DELAY);
printf("SIGUSR2 killed from pid=%d\n", mypid);
/* Verify that SIGUSR2 was received */
if (sigusr2_rcvd == 0)
{
fprintf(stderr, "SIGUSR2 not received\n");
exit(10);
}
sigusr2_rcvd = 0;
return 0;
}

59
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############################################################################
# examples/elf/tests/hello/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
CFLAGS += -I.
BIN = struct
SRCS = struct_main.c struct_dummy.c
OBJS = $(SRCS:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

89
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/****************************************************************************
* examples/elf/tests/struct/struct.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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.
*
****************************************************************************/
#ifndef __EXAMPLES_ELF_TESTS_STRUCT_STRUCT_H
#define __EXAMPLES_ELF_TESTS_STRUCT_STRUCT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define DUMMY_SCALAR_VALUE1 42
#define DUMMY_SCALAR_VALUE2 87
#define DUMMY_SCALAR_VALUE3 117
/****************************************************************************
* Public Types
****************************************************************************/
typedef void (*dummy_t)(void);
struct struct_dummy_s
{
int n; /* This is a simple scalar value (DUMMY_SCALAR_VALUE3) */
};
struct struct_s
{
int n; /* This is a simple scalar value (DUMMY_SCALAR_VALUE1) */
const int *pn; /* This is a pointer to a simple scalar value */
const struct struct_dummy_s *ps; /* This is a pointer to a structure */
dummy_t pf; /* This is a pointer to a function */
};
/****************************************************************************
* Public Data
****************************************************************************/
extern int dummy_scalar; /* (DUMMY_SCALAR_VALUE2) */
extern const struct struct_dummy_s dummy_struct;
/****************************************************************************
* Public Functions
****************************************************************************/
extern void dummyfunc(void);
extern const struct struct_s *getstruct(void);
#endif /* __EXAMPLES_ELF_TESTS_STRUCT_STRUCT_H */

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/****************************************************************************
* examples/elf/tests/struct/struct_dummy.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <stdlib.h>
#include "struct.h"
/****************************************************************************
* Public Data
****************************************************************************/
const struct struct_s dummy =
{
DUMMY_SCALAR_VALUE1,
&dummy_scalar,
&dummy_struct,
(dummy_t)dummyfunc
};
/****************************************************************************
* Public Functions
****************************************************************************/
const struct struct_s *getstruct(void)
{
return &dummy;
}

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/****************************************************************************
* examples/elf/tests/struct/struct_main.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <stdlib.h>
#include "struct.h"
/****************************************************************************
* Public Data
****************************************************************************/
const struct struct_dummy_s dummy_struct =
{
DUMMY_SCALAR_VALUE3
};
int dummy_scalar = DUMMY_SCALAR_VALUE2;
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv)
{
const struct struct_s *mystruct = getstruct();
printf("Calling getstruct()\n");
mystruct = getstruct();
printf("getstruct returned %p\n", mystruct);
printf(" n = %d (vs %d) %s\n",
mystruct->n, DUMMY_SCALAR_VALUE1,
mystruct->n == DUMMY_SCALAR_VALUE1 ? "PASS" : "FAIL");
printf(" pn = %p (vs %p) %s\n",
mystruct->pn, &dummy_scalar,
mystruct->pn == &dummy_scalar ? "PASS" : "FAIL");
if (mystruct->pn == &dummy_scalar)
{
printf(" *pn = %d (vs %d) %s\n",
*mystruct->pn, DUMMY_SCALAR_VALUE2,
*mystruct->pn == DUMMY_SCALAR_VALUE2 ? "PASS" : "FAIL");
}
printf(" ps = %p (vs %p) %s\n",
mystruct->ps, &dummy_struct,
mystruct->ps == &dummy_struct ? "PASS" : "FAIL");
if (mystruct->ps == &dummy_struct)
{
printf(" ps->n = %d (vs %d) %s\n",
mystruct->ps->n, DUMMY_SCALAR_VALUE3,
mystruct->ps->n == DUMMY_SCALAR_VALUE3 ? "PASS" : "FAIL");
}
printf(" pf = %p (vs %p) %s\n",
mystruct->pf, dummyfunc,
mystruct->pf == dummyfunc ? "PASS" : "FAIL");
if (mystruct->pf == dummyfunc)
{
printf("Calling mystruct->pf()\n");
mystruct->pf();
}
printf("Exit-ing\n");
return 0;
}
void dummyfunc(void)
{
printf("In dummyfunc() -- PASS\n");
}

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############################################################################
# examples/elf/tests/task/Makefile
#
# Copyright (C) 2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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 NuttX 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
BIN = task
SRCS = $(BIN).c
OBJS = $(BIN:.c=.o)
all: $(BIN)
$(OBJS): %.o: %.c
@echo "CC: $<"
@$(CC) -c $(CFLAGS) $< -o $@
$(BIN): $(OBJS)
@echo "LD: $<"
@$(LD) $(LDELFFLAGS) -o $@ $^
clean:
@rm -f $(BIN) *.o *~ .*.swp core
install:
@install -D $(BIN) $(ROMFS_DIR)/$(BIN)

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/****************************************************************************
* examples/elf/tests/task/parent.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sched.h>
#include <semaphore.h>
#include <errno.h>
/****************************************************************************
* Private Data
****************************************************************************/
static char child_name[] = "child";
static char child_arg[] = "Hello from your parent!";
static sem_t g_sem;
#if CONFIG_TASK_NAME_SIZE == 0
static char no_name[] = "<noname>";
#endif
/****************************************************************************
* Privite Functions
****************************************************************************/
/* NOTE: it is necessary for functions that are referred to by function pointers
* pointer to be declared with global scope (at least for ARM). Otherwise,
* a relocation type that is not supported by ELF is generated by GCC.
*/
int child_task(int argc, char **argv)
{
printf("Child: execv was successful!\n");
printf("Child: argc=%d\n", argc);
if (argc != 2)
{
printf("Child: expected argc to be 2\n");
printf("Child: Exit-ting with status=2\n");
exit(2);
}
printf("Child: argv[0]=\"%s\"\n", argv[0]);
#if CONFIG_TASK_NAME_SIZE == 0
if (strcmp(argv[0], no_name) != 0)
{
printf("Child: expected argv[0] to be \"%s\"\n", no_name);
printf("Child: Exit-ting with status=3\n");
exit(3);
}
#else
if (strncmp(argv[0], child_name, CONFIG_TASK_NAME_SIZE) != 0)
{
printf("Child: expected argv[0] to be \"%s\"\n", child_name);
printf("Child: Exit-ting with status=3\n");
exit(3);
}
#endif
printf("Child: argv[1]=\"%s\"\n", argv[1]);
if (strcmp(argv[1], child_arg) != 0)
{
printf("Child: expected argv[1] to be \"%s\"\n", child_arg);
printf("Child: Exit-ting with status=4\n");
exit(4);
}
printf("Child: Exit-ting with status=0\n");
sem_post(&g_sem);
return 0;
}
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv)
{
pid_t parent_pid = getpid();
char *child_argv[2];
pid_t child_pid;
printf("Parent: Started, pid=%d\n", parent_pid);
sem_init(&g_sem, 0, 0);
printf("Parent: Calling task_create()\n");
child_argv[0] = child_arg;
child_argv[1] = 0;
child_pid = task_create(child_name, 50, 512, child_task, (const char**)child_argv);
if (child_pid < 0)
{
printf("Parent: task_create failed: %d\n", errno);
}
printf("Parent: Waiting for child (pid=%d)\n", child_pid);
sem_wait(&g_sem);
printf("Parent: Exit-ing\n");
sem_destroy(&g_sem);
return 0;
}