2017-01-23 15:23:28 +01:00
|
|
|
/****************************************************************************
|
|
|
|
* examples/sotest/sotest_main.c
|
|
|
|
*
|
2017-01-27 22:11:44 +01:00
|
|
|
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
2017-01-23 15:23:28 +01:00
|
|
|
* 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>
|
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
#ifdef CONFIG_EXAMPLES_SOTEST_BUILTINFS
|
|
|
|
# include <sys/mount.h>
|
|
|
|
#endif
|
|
|
|
|
2017-01-23 15:23:28 +01:00
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
2020-03-26 03:48:39 +01:00
|
|
|
#include <string.h>
|
2017-01-23 15:23:28 +01:00
|
|
|
#include <syslog.h>
|
2019-02-09 21:10:16 +01:00
|
|
|
#include <dlfcn.h>
|
2017-01-23 15:23:28 +01:00
|
|
|
#include <errno.h>
|
|
|
|
#include <debug.h>
|
|
|
|
|
2019-12-10 15:39:22 +01:00
|
|
|
#include <nuttx/symtab.h>
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
#ifdef CONFIG_EXAMPLES_SOTEST_BUILTINFS
|
|
|
|
# include <nuttx/drivers/ramdisk.h>
|
|
|
|
# include "lib/romfs.h"
|
|
|
|
#endif
|
2017-01-23 15:23:28 +01:00
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Pre-processor Definitions
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/* Check configuration. This is not all of the configuration settings that
|
|
|
|
* are required -- only the more obvious.
|
|
|
|
*/
|
|
|
|
|
2019-02-09 21:10:16 +01:00
|
|
|
#ifndef CONFIG_LIBC_DLFCN
|
|
|
|
# error "You must select CONFIG_LIBC_DLFCN in your configuration file"
|
2017-01-23 15:23:28 +01:00
|
|
|
#endif
|
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
#ifdef CONFIG_EXAMPLES_SOTEST_BUILTINFS
|
|
|
|
# ifndef CONFIG_FS_ROMFS
|
|
|
|
# error "You must select CONFIG_FS_ROMFS in your configuration file"
|
|
|
|
# endif
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
# ifdef CONFIG_DISABLE_MOUNTPOINT
|
|
|
|
# error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file"
|
|
|
|
# endif
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
/* Describe the ROMFS file system */
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
# define SECTORSIZE 64
|
|
|
|
# define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE)
|
|
|
|
# define BINDIR "/mnt/romfs"
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
# ifndef CONFIG_EXAMPLES_SOTEST_DEVMINOR
|
|
|
|
# define CONFIG_EXAMPLES_SOTEST_DEVMINOR 0
|
|
|
|
# endif
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
# ifndef CONFIG_EXAMPLES_SOTEST_DEVPATH
|
|
|
|
# define CONFIG_EXAMPLES_SOTEST_DEVPATH "/dev/ram0"
|
|
|
|
# endif
|
|
|
|
#else
|
|
|
|
# define BINDIR CONFIG_EXAMPLES_SOTEST_BINDIR
|
|
|
|
#endif /* CONFIG_EXAMPLES_SOTEST_BUILTINFS */
|
2017-01-23 15:23:28 +01:00
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Symbols from Auto-Generated Code
|
|
|
|
****************************************************************************/
|
|
|
|
|
2018-07-12 17:53:38 +02:00
|
|
|
extern const struct symtab_s g_sot_exports[];
|
|
|
|
extern const int g_sot_nexports;
|
2017-01-23 15:23:28 +01:00
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Public Functions
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Name: sotest_main
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
int main(int argc, FAR char *argv[])
|
|
|
|
{
|
2017-01-29 20:32:39 +01:00
|
|
|
#if CONFIG_MODLIB_MAXDEPEND > 0
|
2017-01-27 22:11:44 +01:00
|
|
|
FAR void *handle1;
|
|
|
|
#endif
|
|
|
|
FAR void *handle2;
|
2017-01-23 15:23:28 +01:00
|
|
|
CODE void (*testfunc)(FAR const char *msg);
|
|
|
|
FAR const char *msg;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* Set the shared library symbol table */
|
|
|
|
|
2018-07-12 17:53:38 +02:00
|
|
|
ret = dlsymtab((FAR struct symtab_s *)g_sot_exports, g_sot_nexports);
|
2017-01-23 15:23:28 +01:00
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: dlsymtab failed: %d\n", ret);
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
#ifdef CONFIG_EXAMPLES_SOTEST_BUILTINFS
|
2017-01-23 15:23:28 +01:00
|
|
|
/* Create a ROM disk for the ROMFS filesystem */
|
|
|
|
|
|
|
|
printf("main: Registering romdisk at /dev/ram%d\n",
|
|
|
|
CONFIG_EXAMPLES_SOTEST_DEVMINOR);
|
|
|
|
|
|
|
|
ret = romdisk_register(CONFIG_EXAMPLES_SOTEST_DEVMINOR,
|
|
|
|
(FAR uint8_t *)romfs_img,
|
|
|
|
NSECTORS(romfs_img_len), SECTORSIZE);
|
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
/* This will happen naturally if we registered the ROM disk previously. */
|
|
|
|
|
|
|
|
if (ret != -EEXIST)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: romdisk_register failed: %d\n", ret);
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
|
|
|
printf("main: ROM disk already registered\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Mount the file system */
|
|
|
|
|
|
|
|
printf("main: Mounting ROMFS filesystem at target=%s with source=%s\n",
|
2017-01-30 16:04:01 +01:00
|
|
|
BINDIR, CONFIG_EXAMPLES_SOTEST_DEVPATH);
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2020-03-26 08:13:06 +01:00
|
|
|
ret = mount(CONFIG_EXAMPLES_SOTEST_DEVPATH, BINDIR, "romfs", MS_RDONLY,
|
|
|
|
NULL);
|
2017-01-23 15:23:28 +01:00
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: mount(%s,%s,romfs) failed: %s\n",
|
2020-03-26 03:48:39 +01:00
|
|
|
CONFIG_EXAMPLES_SOTEST_DEVPATH, BINDIR, strerror(errno));
|
2017-01-23 15:23:28 +01:00
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
2017-01-30 16:04:01 +01:00
|
|
|
#endif /* CONFIG_EXAMPLES_SOTEST_BUILTINFS */
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-29 20:32:39 +01:00
|
|
|
#if CONFIG_MODLIB_MAXDEPEND > 0
|
2017-01-27 22:11:44 +01:00
|
|
|
/* Install the first test shared library. The first shared library only
|
|
|
|
* verifies that symbols exported be one shared library can be used to
|
|
|
|
* resolve undefined symbols in a second shared library.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Install the second test shared library */
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
handle1 = dlopen(BINDIR "/modprint", RTLD_NOW | RTLD_LOCAL);
|
2017-01-27 22:11:44 +01:00
|
|
|
if (handle1 == NULL)
|
2017-01-23 15:23:28 +01:00
|
|
|
{
|
2017-01-27 22:11:44 +01:00
|
|
|
fprintf(stderr, "ERROR: dlopen(/modprint) failed\n");
|
2017-01-23 15:23:28 +01:00
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
2017-01-27 22:11:44 +01:00
|
|
|
#endif
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-27 22:11:44 +01:00
|
|
|
/* Install the second test shared library */
|
2017-01-23 15:23:28 +01:00
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
handle2 = dlopen(BINDIR "/sotest", RTLD_NOW | RTLD_LOCAL);
|
2017-01-27 22:11:44 +01:00
|
|
|
if (handle2 == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: dlopen(/sotest) failed\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Get symbols testfunc1 and msg1 from the second test shared library */
|
|
|
|
|
|
|
|
testfunc = (CODE void (*)(FAR const char *))dlsym(handle2, "testfunc1");
|
2017-01-23 15:23:28 +01:00
|
|
|
if (testfunc == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: Failed to get symbol \"testfunc1\"\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
2017-01-27 22:11:44 +01:00
|
|
|
msg = (FAR const char *)dlsym(handle2, "g_msg1");
|
2017-01-23 15:23:28 +01:00
|
|
|
if (msg == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: Failed to get symbol \"g_msg1\"\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Execute testfunc1 */
|
|
|
|
|
|
|
|
testfunc(msg);
|
|
|
|
|
|
|
|
/* Get symbols testfunc2 and msg2 */
|
|
|
|
|
2017-01-27 22:11:44 +01:00
|
|
|
testfunc = (CODE void (*)(FAR const char *))dlsym(handle2, "testfunc2");
|
2017-01-23 15:23:28 +01:00
|
|
|
if (testfunc == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: Failed to get symbol \"testfunc2\"\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
2017-01-27 22:11:44 +01:00
|
|
|
msg = (FAR const char *)dlsym(handle2, "g_msg2");
|
2017-01-23 15:23:28 +01:00
|
|
|
if (msg == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: Failed to get symbol \"g_msg2\"\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Execute testfunc2 */
|
|
|
|
|
|
|
|
testfunc(msg);
|
|
|
|
|
|
|
|
/* Get symbols testfunc3 and msg3 */
|
|
|
|
|
2017-01-27 22:11:44 +01:00
|
|
|
testfunc = (CODE void (*)(FAR const char *))dlsym(handle2, "testfunc3");
|
2017-01-23 15:23:28 +01:00
|
|
|
if (testfunc == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: Failed to get symbol \"testfunc3\"\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
2017-01-27 22:11:44 +01:00
|
|
|
msg = (FAR const char *)dlsym(handle2, "g_msg3");
|
2017-01-23 15:23:28 +01:00
|
|
|
if (msg == NULL)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: Failed to get symbol \"g_msg3\"\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Execute testfunc3 */
|
|
|
|
|
|
|
|
testfunc(msg);
|
|
|
|
|
2017-01-29 20:32:39 +01:00
|
|
|
#if CONFIG_MODLIB_MAXDEPEND > 0
|
2017-01-27 22:11:44 +01:00
|
|
|
/* This should fail because the second shared library depends on the first. */
|
|
|
|
|
|
|
|
ret = dlclose(handle1);
|
|
|
|
if (ret == 0)
|
|
|
|
{
|
2020-03-26 08:13:06 +01:00
|
|
|
fprintf(stderr,
|
|
|
|
"ERROR: dlclose(handle1) succeeded with a dependency\n");
|
2017-01-27 22:11:44 +01:00
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Close the second shared library */
|
|
|
|
|
|
|
|
ret = dlclose(handle2);
|
2017-01-23 15:23:28 +01:00
|
|
|
if (ret < 0)
|
|
|
|
{
|
2017-01-27 22:11:44 +01:00
|
|
|
fprintf(stderr, "ERROR: rmmod(handle2) failed: %d\n", ret);
|
2017-01-23 15:23:28 +01:00
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
|
2017-01-29 20:32:39 +01:00
|
|
|
#if CONFIG_MODLIB_MAXDEPEND > 0
|
2017-01-27 22:11:44 +01:00
|
|
|
/* Now we should be able to close the first shared library. */
|
|
|
|
|
|
|
|
ret = dlclose(handle1);
|
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: rmmod(handle1) failed: %d\n", ret);
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2017-01-30 16:04:01 +01:00
|
|
|
#ifdef CONFIG_EXAMPLES_SOTEST_BUILTINFS
|
|
|
|
ret = umount(BINDIR);
|
2017-01-23 15:23:28 +01:00
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: umount(%s) failed: %d\n",
|
2017-01-30 16:04:01 +01:00
|
|
|
BINDIR, errno);
|
2017-01-23 15:23:28 +01:00
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
2017-01-30 16:04:01 +01:00
|
|
|
#endif /* CONFIG_EXAMPLES_SOTEST_BUILTINFS */
|
2017-01-23 15:23:28 +01:00
|
|
|
|
|
|
|
return EXIT_SUCCESS;
|
|
|
|
}
|