eapol/eapol_framework/eapol_common/am/common/stack/eap_am_stack_trace.cpp
changeset 0 c8830336c852
child 2 1c7bc153c08e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/am/common/stack/eap_am_stack_trace.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,229 @@
+/*
+* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  EAP and WLAN authentication protocols.
+*
+*/
+
+
+// This is enumeration of EAPOL source code.
+#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+	#undef EAP_FILE_NUMBER_ENUM
+	#define EAP_FILE_NUMBER_ENUM 17 
+	#undef EAP_FILE_NUMBER_DATE 
+	#define EAP_FILE_NUMBER_DATE 1127594498 
+#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+
+
+
+#if defined(unix)
+	#include <unistd.h>
+#endif
+#if defined(WIN32)
+	#include <windows.h>
+#endif
+
+#if !defined(__SYMBIAN32__)
+	#include <stdlib.h>
+	#include <stdio.h>
+	#include <setjmp.h>
+	#include <assert.h>
+#endif //#if !defined(__SYMBIAN32__)
+
+#include "eap_am_stack_trace.h"
+
+#include "abs_eap_am_tools.h"
+#include "eap_am_tools.h"
+
+/********************************************************************/
+
+EAP_FUNC_EXPORT stack_trace::~stack_trace()
+{
+}
+
+/********************************************************************/
+
+EAP_FUNC_EXPORT stack_trace::stack_trace(abs_eap_am_tools_c * const tools)
+: m_am_tools(tools)
+{
+}
+
+/********************************************************************/
+
+EAP_FUNC_EXPORT void stack_trace::trace_frames(
+	unsigned long *bp
+)
+{
+
+#if !defined(__SYMBIAN32__)
+
+	unsigned long *tmp_bp = bp;
+
+	if (bp == 0)
+	{
+		return;
+	}
+
+	while ( tmp_bp != 0x0 && tmp_bp < reinterpret_cast<unsigned long *>(0xbffff8ec)
+#if defined(linux)
+			&& tmp_bp > reinterpret_cast<unsigned long *>(0xbf800000)
+#else
+			&& tmp_bp < reinterpret_cast<unsigned long *>(0x77000000)
+#endif
+			   )
+	{
+
+		EAP_TRACE_ALWAYS(m_am_tools, TRACE_FLAGS_DEFAULT,
+						(EAPL("function: 0x%08x\n"),
+						 reinterpret_cast<void *>(*(tmp_bp+1))));
+
+		tmp_bp = reinterpret_cast<unsigned long *>(*tmp_bp);
+	}
+
+#else
+
+	EAP_UNREFERENCED_PARAMETER(bp);
+
+#endif //#if !defined(__SYMBIAN32__)
+
+}
+
+/********************************************************************/
+
+
+EAP_FUNC_EXPORT void stack_trace::trace(const void * const memory_address)
+{
+
+#if defined(__SYMBIAN32__) && (defined(USE_EAP_STACK_TRACE) || defined(USE_EAP_ASSERT_STACK_TRACE))
+
+	u32_t current_sp = 0;
+
+#if 0
+	// Thumb does not support inline assembler.
+	__asm
+	{
+		MOV current_sp, __current_sp()
+	}
+#else
+	current_sp = reinterpret_cast<u32_t>(&current_sp);
+#endif
+
+	if (current_sp == 0)
+	{
+		EAP_TRACE_ERROR(
+			m_am_tools,
+			TRACE_FLAGS_DEFAULT,
+			(EAPL("Cannot obtain current stack pointer.\n")));
+	}
+
+	TThreadStackInfo aInfo;
+
+	RThread current_thread;
+	
+	if (current_thread.StackInfo(aInfo) != KErrNone)
+	{
+		EAP_TRACE_ERROR(
+			m_am_tools,
+			TRACE_FLAGS_DEFAULT,
+			(EAPL("Cannot obtain stack information.\n")));
+	}
+
+	if (aInfo.iBase < current_sp)
+	{
+		EAP_TRACE_ERROR(
+			m_am_tools,
+			TRACE_FLAGS_DEFAULT,
+			(EAPL("Stack start %d < current stack pointer %d.\n"),
+			 aInfo.iBase,
+			 current_sp));
+	}
+
+	u32_t *start_address = reinterpret_cast<u32_t *>(current_sp);
+	u32_t *address = start_address;
+
+	EAP_TRACE_ALWAYS(m_am_tools, TRACE_FLAGS_DEFAULT,
+					(EAPL("address 0x%08x, accessed from:.\n"),
+					 memory_address));
+
+	while (reinterpret_cast<TLinAddr>(address) >= aInfo.iLimit)
+	{
+		EAP_TRACE_ALWAYS(
+			m_am_tools,
+			TRACE_FLAGS_DEFAULT,
+			(EAPL("stack address 0x%08x: 0x%08x\n"),
+			 address,
+			 *address));
+
+		--address;
+	}
+
+	EAP_TRACE_ALWAYS(m_am_tools, TRACE_FLAGS_DEFAULT,
+					(EAPL("\n")));
+	EAP_TRACE_ALWAYS(m_am_tools, TRACE_FLAGS_DEFAULT,
+					(EAPL("address 0x%08x, accessed from:.\n"),
+					 memory_address));
+
+	address = start_address;
+
+	while (reinterpret_cast<TLinAddr>(address) < aInfo.iBase)
+	{
+		EAP_TRACE_ALWAYS(
+			m_am_tools,
+			TRACE_FLAGS_DEFAULT,
+			(EAPL("stack address 0x%08x: 0x%08x\n"),
+			 address,
+			 *address));
+
+		++address;
+	}
+
+#elif (defined(unix) || defined(WIN32)) && (defined(USE_EAP_STACK_TRACE) || defined(USE_EAP_ASSERT_STACK_TRACE))
+
+	jmp_buf tmp_buf;
+
+
+#if defined(linux)
+	_setjmp( tmp_buf );
+#else
+	setjmp( tmp_buf );
+#endif
+
+
+	EAP_TRACE_ALWAYS(m_am_tools, TRACE_FLAGS_DEFAULT,
+					(EAPL("address 0x%08x, accessed from:.\n"),
+					 memory_address));
+
+
+	trace_frames(
+		#if defined(linux)
+			reinterpret_cast<unsigned long *>(tmp_buf->__jmpbuf[JB_BP])
+		#elif defined(WIN32)
+			reinterpret_cast<unsigned long *>(((_JUMP_BUFFER *)tmp_buf)->Ebp)
+		#elif defined(cygwin)
+			reinterpret_cast<unsigned long *>(tmp_buf[0].ebp)
+		#else
+			reinterpret_cast<unsigned long *>(tmp_buf->__ebp)
+		#endif
+			);
+
+#else
+
+	EAP_UNREFERENCED_PARAMETER(memory_address);
+
+#endif //#if defined(unix) || defined(WIN32)
+
+}
+
+
+/********************************************************************/
+/* End. */