Resync new repository with old repo r5166

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
2026-10-30 07:53:33 +08:00 · 2012-09-17 18:18:44 +00:00
commit 57623d42eb
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+/**********************************************************************
+ * pfwdbgfunc.c
+ *
+ *   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
+ ***********************************************************************/
+
+static void poffCheckDebugFuncInfoAllocation(poffInfo_t *poffInfo)
+{
+  /* Check if we have allocated a line number buffer yet */
+
+  if (!poffInfo->debugFuncTable)
+    {
+      /* No, allocate it now */
+
+      poffInfo->debugFuncTable = (uint8_t*)
+        malloc(INITIAL_DEBUGFUNC_TABLE_SIZE);
+
+      if (!poffInfo->debugFuncTable)
+        {
+          fatal(eNOMEMORY);
+        }
+
+      poffInfo->debugFuncSection.sh_size = 0;
+      poffInfo->debugFuncTableAlloc      = INITIAL_DEBUGFUNC_TABLE_SIZE;
+    }
+}
+
+/***********************************************************************/
+
+static void poffCheckDebugFuncInfoReallocation(poffInfo_t *poffInfo, uint32_t nparms)
+{
+  uint32_t needed = sizeof(poffDebugFuncInfo_t) + nparms*sizeof(poffDebugArgInfo_t);
+  if (poffInfo->debugFuncSection.sh_size + needed > poffInfo->debugFuncTableAlloc)
+    {
+      uint32_t newAlloc =
+        poffInfo->debugFuncTableAlloc +
+        DEBUGFUNC_TABLE_INCREMENT;
+
+      void *tmp;
+
+      /* Reallocate the line number buffer */
+
+      tmp = realloc(poffInfo->debugFuncTable, newAlloc);
+      if (!tmp)
+        {
+          fatal(eNOMEMORY);
+        }
+
+      /* And set the new size */
+
+      poffInfo->debugFuncTableAlloc = newAlloc;
+      poffInfo->debugFuncTable      = (uint8_t*)tmp;
+    }
+}
+
+/***********************************************************************
+ * Public Functions
+ ***********************************************************************/
+
+/***********************************************************************/
+/* Add a debug inforamtion to the debug func table.  Returns the index
+ * associated with the line number entry in the line number table.
+ */
+
+uint32_t poffAddDebugFuncInfo(poffHandle_t handle,
+                            poffLibDebugFuncInfo_t *pContainer)
+{
+  poffInfo_t *poffInfo = (poffInfo_t*)handle;
+  poffDebugFuncInfo_t *pFuncInfo;
+  poffDebugArgInfo_t *pArgInfo;
+  uint32_t funcInfoIndex;
+  uint32_t argInfoIndex;
+  int i;
+
+  /* Verify that the debug info table has been allocated */
+
+  poffCheckDebugFuncInfoAllocation(poffInfo);
+
+  /* Verify that the debug infotable is large enough to hold
+   * information about function
+   */
+
+  poffCheckDebugFuncInfoReallocation(poffInfo, pContainer->nparms);
+
+  /* Save the information in the debug func info table */
+
+  funcInfoIndex = poffInfo->debugFuncSection.sh_size;
+  pFuncInfo     = (poffDebugFuncInfo_t*)&poffInfo->debugFuncTable[funcInfoIndex];
+
+  pFuncInfo->df_value  = pContainer->value;
+  pFuncInfo->df_size   = pContainer->retsize;
+  pFuncInfo->df_nparms = pContainer->nparms;
+
+  argInfoIndex = funcInfoIndex + sizeof(poffDebugFuncInfo_t);
+  for (i = 0; i < pContainer->nparms; i++)
+    {
+      pArgInfo = (poffDebugArgInfo_t*)&poffInfo->debugFuncTable[argInfoIndex];
+      pArgInfo->da_size = pContainer->argsize[i];
+      argInfoIndex += sizeof(poffDebugArgInfo_t);
+    }
+
+  /* Set the new size of the debug func info table */
+
+  poffInfo->debugFuncSection.sh_size = argInfoIndex;
+  return funcInfoIndex;
+}
+
+/***********************************************************************/