libtests/dl07/dl07-o1.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Copyright (c) 2018 Chris Johns <chrisj@rtems.org>.
0005  * All rights reserved.
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0026  * POSSIBILITY OF SUCH DAMAGE.
0027  */
0028
0029 #include "dl-o1.h"
0030
0031 #include <rtems/test-printer.h>
0032 #include "dl-load.h"
0033
0034 #define printf(...) rtems_printf(&rtems_test_printer, __VA_ARGS__);
0035
0036 /*
0037  * Create some symbols. The uninitialised will be in the common section with
0038  * separated text and data and this means there is no actual section in the ELF
0039  * file, the details for this are in the symbols.
0040  */
0041 int         dl01_bss1;            /* unitialised, .bss */
0042 float       dl01_bss2[30];        /* unitialised, .bss */
0043 char        dl01_bss3[10];        /* unitialised, .bss */
0044 int         dl01_data1 = 1;       /* initialised, .data */
0045 float       dl01_data2 = 0.3333;  /* initialised, .data */
0046 const int   dl01_const1 = 3;      /* read-only, .const */
0047 const float dl01_const2 = 0.666;  /* read-only, .const */
0048 int dl01_func1(void)              /* code, .text */
0049 {
0050   return 4;
0051 }
0052
0053 /*
0054  * Yes a decl in the source. This is a modules main and I could not find which
0055  * header main is defined in.
0056  */
0057 int rtems_main_o1 (void);
0058
0059 #define DL_NAME       "dlo1"
0060 #define PAINT_VAR(_v) sizeof(_v), &_v, _v
0061
0062 int rtems_main_o1 (void)
0063 {
0064   printf (DL_NAME ": module: %s\n", dl_localise_file (__FILE__));
0065   printf (DL_NAME ":         dl01_bss1: %4zu: %p: %d\n",   PAINT_VAR (dl01_bss1));
0066   printf (DL_NAME ":         dl01_bss2: %4zu: %p: %f\n",   PAINT_VAR (dl01_bss2[0]));
0067   printf (DL_NAME ":         dl01_bss3: %4zu: %p: %02x\n", PAINT_VAR (dl01_bss3[0]));
0068   printf (DL_NAME ":        dl01_data1: %4zu: %p: %d\n",   PAINT_VAR (dl01_data1));
0069   /* no  %f in the rtems test printer */
0070   printf (DL_NAME ":        dl01_data2: %4zu: %p: %f\n",   PAINT_VAR (dl01_data2));
0071   printf (DL_NAME ":       dl01_const1: %4zu: %p: %d\n",   PAINT_VAR (dl01_const1));
0072   printf (DL_NAME ":       dl01_const2: %4zu: %p: %f\n",   PAINT_VAR (dl01_const2));
0073   printf (DL_NAME ":        dl01_func1: %4zu: %p\n",       sizeof(dl01_func1), &dl01_func1);
0074   return 0;
0075 }