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 07:33:35 +08:00 · 2012-09-17 18:18:44 +00:00
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+/**********************************************************************
+ * pdbginfo.c
+ * Manage debug information
+ *
+ *   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 "keywords.h"  /* Standard types */
+#include "pedefs.h"    /* error code definitions */
+
+#include "perr.h"      /* error() */
+#include "pofflib.h"   /* POFF library interface */
+
+/**********************************************************************
+ * Pre-processor Definitions
+ **********************************************************************/
+
+/**********************************************************************
+ * Global Variables
+ **********************************************************************/
+
+/**********************************************************************
+ * Private Variables
+ **********************************************************************/
+
+static poffLibDebugFuncInfo_t *g_pDebugInfoHead = NULL;
+static poffLibDebugFuncInfo_t *g_pDebugInfoTail = NULL;
+
+/***********************************************************************
+ * Private Function Prototypes
+ ***********************************************************************/
+
+/***********************************************************************
+ * Private Functions
+ ***********************************************************************/
+
+/***********************************************************************
+ * Public Functions
+ ***********************************************************************/
+
+void poffReadDebugFuncInfoTable(poffHandle_t handle)
+{
+  poffLibDebugFuncInfo_t *pDebugInfo;
+
+  /* Read all function debug information into a link list */
+
+  while ((pDebugInfo = poffGetDebugFuncInfo(handle)) != NULL)
+    {
+      if (!g_pDebugInfoHead)
+        {
+          g_pDebugInfoHead = pDebugInfo;
+        }
+      else
+        {
+          g_pDebugInfoTail->next = pDebugInfo;
+        }
+      g_pDebugInfoTail = pDebugInfo;
+    }
+}
+
+/***********************************************************************/
+
+poffLibDebugFuncInfo_t *poffFindDebugFuncInfo(uint32_t offset)
+{
+  poffLibDebugFuncInfo_t *pDebugInfo;
+
+  /* Search the list for an entry with PC==offset */
+
+  for (pDebugInfo = g_pDebugInfoHead; pDebugInfo;
+       pDebugInfo = pDebugInfo->next)
+    {
+      if (pDebugInfo->value == offset)
+        {
+          return pDebugInfo;
+        }
+    }
+  return NULL;
+}
+
+/***********************************************************************/
+
+void poffReplaceDebugFuncInfo(poffHandle_t handle)
+{
+  poffLibDebugFuncInfo_t *pDebugInfo;
+
+  /* Discard any existing debug info in the POFF object */
+
+  poffDiscardDebugFuncInfo(handle);
+
+  /* Then add all of the buffered debug info into the object */
+
+  for (pDebugInfo = g_pDebugInfoHead; pDebugInfo;
+       pDebugInfo = pDebugInfo->next)
+    {
+      (void)poffAddDebugFuncInfo(handle, pDebugInfo);
+
+    }
+}
+
+/***********************************************************************/
+
+void poffReleaseDebugFuncInfoTable(void)
+{
+  poffLibDebugFuncInfo_t *pDebugInfo;
+  poffLibDebugFuncInfo_t *pNextDebugInfo;
+
+  /* Release the bufferred debug information */
+
+  pDebugInfo = g_pDebugInfoHead;
+  while (pDebugInfo)
+    {
+      pNextDebugInfo = pDebugInfo->next;
+      poffReleaseDebugFuncContainer(pDebugInfo);
+      pDebugInfo = pNextDebugInfo;
+    }
+
+  g_pDebugInfoHead = NULL;
+  g_pDebugInfoTail = NULL;
+}
+
+/***********************************************************************/