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-rw-r--r--misc/pascal/libpoff/pfrsymbol.c108
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diff --git a/misc/pascal/libpoff/pfrsymbol.c b/misc/pascal/libpoff/pfrsymbol.c
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+/**********************************************************************
+ * pfrsymbol
+ * Read symbols from a POFF file
+ *
+ * Copyright (C) 2008-2009 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 <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "keywords.h" /* Standard types */
+#include "pedefs.h" /* error code definitions */
+
+#include "perr.h" /* error() */
+#include "pofflib.h" /* POFF library interface */
+#include "pfprivate.h" /* POFF private definitions */
+
+/**********************************************************************
+ * Pre-processor Definitions
+ **********************************************************************/
+
+/**********************************************************************
+ * Global Variables
+ **********************************************************************/
+
+/**********************************************************************
+ * Private Variables
+ **********************************************************************/
+
+/***********************************************************************
+ * Private Function Prototypes
+ ***********************************************************************/
+
+/***********************************************************************
+ * Private Functions
+ ***********************************************************************/
+
+/***********************************************************************/
+
+int32_t poffGetSymbol(poffHandle_t handle, poffLibSymbol_t *symbol)
+{
+ poffInfo_t *poffInfo = (poffInfo_t*)handle;
+ poffSymbol_t *psym;
+ uint32_t index;
+
+ /* First, check if there is another symbol in the table to be had.
+ * This check is a little sloppy in that it assumes the the size in
+ * in the section header is an even multiple of symbol table entries
+ */
+
+ index = poffInfo->symbolIndex;
+ if (index >= poffInfo->symbolTableSection.sh_size)
+ {
+ memset(symbol, 0, sizeof(poffLibSymbol_t));
+ return -1;
+ }
+ else
+ {
+ psym = (poffSymbol_t*)&poffInfo->symbolTable[index];
+ symbol->type = psym->st_type;
+ symbol->align = psym->st_align;
+ symbol->flags = psym->st_flags;
+ symbol->name = poffGetString(handle, psym->st_name);
+ symbol->value = psym->st_value;
+ symbol->size = psym->st_size;
+
+ poffInfo->symbolIndex += poffInfo->symbolTableSection.sh_entsize;
+ return index / poffInfo->symbolTableSection.sh_entsize;
+ }
+}
+
+/***********************************************************************/