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Add an example for testing the ELF loader 

git-svn-id: svn://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 8cbc20e05c
commit 5ae419f684
33 changed files with 2862 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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
NX logo is presented so that there is time for the image to be verified.
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).
* 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 "$APPSDIR/examples/dhcpd/Kconfig"
endmenu
menu "ELF Loader Example"
source "$APPSDIR/examples/elf/Kconfig"
endmenu
menu "FTP Client Example"
source "$APPSDIR/examples/ftpc/Kconfig"
endmenu

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

2
apps/examples/Makefile
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@ -37,7 +37,7 @@
# 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 += nxconsole nxffs nxflat nxhello nximage nxlines nxtext ostest
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;
}

100
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)

59
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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apps/examples/elf/tests/hello++/hello++2.cpp Normal file
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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
apps/examples/elf/tests/mutex/mutex.c Normal file
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@ -0,0 +1,149 @@
/****************************************************************************
* 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;
}