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Add an example for testing the ELF loader
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5260 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -0,0 +1,59 @@
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############################################################################
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# examples/elf/tests/hello/Makefile
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#
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# Copyright (C) 2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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-include $(TOPDIR)/.config
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-include $(TOPDIR)/Make.defs
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CFLAGS += -I.
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BIN = struct
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SRCS = struct_main.c struct_dummy.c
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OBJS = $(SRCS:.c=.o)
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all: $(BIN)
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$(OBJS): %.o: %.c
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@echo "CC: $<"
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@$(CC) -c $(CFLAGS) $< -o $@
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$(BIN): $(OBJS)
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@echo "LD: $<"
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@$(LD) $(LDELFFLAGS) -o $@ $^
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clean:
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@rm -f $(BIN) *.o *~ .*.swp core
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install:
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@install -D $(BIN) $(ROMFS_DIR)/$(BIN)
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@@ -0,0 +1,89 @@
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/****************************************************************************
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* examples/elf/tests/struct/struct.h
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __EXAMPLES_ELF_TESTS_STRUCT_STRUCT_H
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#define __EXAMPLES_ELF_TESTS_STRUCT_STRUCT_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define DUMMY_SCALAR_VALUE1 42
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#define DUMMY_SCALAR_VALUE2 87
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#define DUMMY_SCALAR_VALUE3 117
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/****************************************************************************
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* Public Types
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****************************************************************************/
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typedef void (*dummy_t)(void);
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struct struct_dummy_s
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{
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int n; /* This is a simple scalar value (DUMMY_SCALAR_VALUE3) */
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};
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struct struct_s
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{
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int n; /* This is a simple scalar value (DUMMY_SCALAR_VALUE1) */
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const int *pn; /* This is a pointer to a simple scalar value */
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const struct struct_dummy_s *ps; /* This is a pointer to a structure */
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dummy_t pf; /* This is a pointer to a function */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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extern int dummy_scalar; /* (DUMMY_SCALAR_VALUE2) */
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extern const struct struct_dummy_s dummy_struct;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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extern void dummyfunc(void);
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extern const struct struct_s *getstruct(void);
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#endif /* __EXAMPLES_ELF_TESTS_STRUCT_STRUCT_H */
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@@ -0,0 +1,65 @@
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/****************************************************************************
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* examples/elf/tests/struct/struct_dummy.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include "struct.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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const struct struct_s dummy =
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{
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DUMMY_SCALAR_VALUE1,
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&dummy_scalar,
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&dummy_struct,
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(dummy_t)dummyfunc
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};
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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const struct struct_s *getstruct(void)
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{
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return &dummy;
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}
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@@ -0,0 +1,109 @@
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/****************************************************************************
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* examples/elf/tests/struct/struct_main.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include "struct.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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const struct struct_dummy_s dummy_struct =
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{
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DUMMY_SCALAR_VALUE3
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};
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int dummy_scalar = DUMMY_SCALAR_VALUE2;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int main(int argc, char **argv)
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{
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const struct struct_s *mystruct = getstruct();
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printf("Calling getstruct()\n");
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mystruct = getstruct();
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printf("getstruct returned %p\n", mystruct);
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printf(" n = %d (vs %d) %s\n",
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mystruct->n, DUMMY_SCALAR_VALUE1,
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mystruct->n == DUMMY_SCALAR_VALUE1 ? "PASS" : "FAIL");
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printf(" pn = %p (vs %p) %s\n",
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mystruct->pn, &dummy_scalar,
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mystruct->pn == &dummy_scalar ? "PASS" : "FAIL");
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if (mystruct->pn == &dummy_scalar)
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{
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printf(" *pn = %d (vs %d) %s\n",
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*mystruct->pn, DUMMY_SCALAR_VALUE2,
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*mystruct->pn == DUMMY_SCALAR_VALUE2 ? "PASS" : "FAIL");
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}
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printf(" ps = %p (vs %p) %s\n",
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mystruct->ps, &dummy_struct,
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mystruct->ps == &dummy_struct ? "PASS" : "FAIL");
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if (mystruct->ps == &dummy_struct)
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{
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printf(" ps->n = %d (vs %d) %s\n",
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mystruct->ps->n, DUMMY_SCALAR_VALUE3,
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mystruct->ps->n == DUMMY_SCALAR_VALUE3 ? "PASS" : "FAIL");
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}
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printf(" pf = %p (vs %p) %s\n",
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mystruct->pf, dummyfunc,
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mystruct->pf == dummyfunc ? "PASS" : "FAIL");
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if (mystruct->pf == dummyfunc)
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{
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printf("Calling mystruct->pf()\n");
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mystruct->pf();
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}
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printf("Exit-ing\n");
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return 0;
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}
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void dummyfunc(void)
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{
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printf("In dummyfunc() -- PASS\n");
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}
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