Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Pete Batard <pete@akeo.ie> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Jiewen.yao@intel.com
		
			
				
	
	
		
			313 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			313 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
| 
 | |
| Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
 | |
| This program and the accompanying materials
 | |
| are licensed and made available under the terms and conditions of the BSD License
 | |
| which accompanies this distribution.  The full text of the license may be found at
 | |
| http://opensource.org/licenses/bsd-license.php
 | |
| 
 | |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
 | |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 | |
| 
 | |
| 
 | |
| **/
 | |
| 
 | |
| #include "Edb.h"
 | |
| 
 | |
| CHAR16 *mBranchTypeStr[] = {
 | |
|   L"(CALL)",
 | |
|   L"(CALLEX)",
 | |
|   L"(RET)",
 | |
|   L"(JMP)",
 | |
|   L"(JMP8)",
 | |
| };
 | |
| 
 | |
| /**
 | |
| 
 | |
|   Comvert Branch Type to string.
 | |
| 
 | |
|   @param Type        Branch Type
 | |
| 
 | |
|   @retval String     string of Branch Type.
 | |
| 
 | |
| **/
 | |
| CHAR16 *
 | |
| EdbBranchTypeToStr (
 | |
|   IN EFI_DEBUGGER_BRANCH_TYPE  Type
 | |
|   )
 | |
| {
 | |
|   if (Type < 0 || Type >= EfiDebuggerBranchTypeEbcMax) {
 | |
|     return L"(Unknown Type)";
 | |
|   }
 | |
| 
 | |
|   return mBranchTypeStr [Type];
 | |
| }
 | |
| 
 | |
| /**
 | |
| 
 | |
|   DebuggerCommand - CallStack.
 | |
| 
 | |
|   @param  CommandArg         The argument for this command
 | |
|   @param  DebuggerPrivate    EBC Debugger private data structure
 | |
|   @param  ExceptionType      Exception type.
 | |
|   @param  SystemContext      EBC system context.
 | |
| 
 | |
|   @retval EFI_DEBUG_CONTINUE   formal return value
 | |
| 
 | |
| **/
 | |
| EFI_DEBUG_STATUS
 | |
| DebuggerCallStack (
 | |
|   IN     CHAR16                    *CommandArg,
 | |
|   IN     EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
 | |
|   IN     EFI_EXCEPTION_TYPE        ExceptionType,
 | |
|   IN OUT EFI_SYSTEM_CONTEXT        SystemContext
 | |
|   )
 | |
| {
 | |
|   INTN                           Index;
 | |
|   UINTN                          SubIndex;
 | |
|   CHAR8                          *FuncName;
 | |
|   EFI_DEBUGGER_CALLSTACK_CONTEXT *CallStackEntry;
 | |
|   BOOLEAN                        ShowParameter;
 | |
|   UINTN                          ParameterNumber;
 | |
| 
 | |
|   ShowParameter = FALSE;
 | |
|   ParameterNumber = EFI_DEBUGGER_CALL_DEFAULT_PARAMETER;
 | |
| 
 | |
|   //
 | |
|   // Check argument
 | |
|   //
 | |
|   if (CommandArg != NULL) {
 | |
|     if (StriCmp (CommandArg, L"c") == 0) {
 | |
|       //
 | |
|       // Clear Call-Stack
 | |
|       //
 | |
|       DebuggerPrivate->CallStackEntryCount = 0;
 | |
|       ZeroMem (DebuggerPrivate->CallStackEntry, sizeof(DebuggerPrivate->CallStackEntry));
 | |
|       EDBPrint (L"Call-Stack is cleared\n");
 | |
|       return EFI_DEBUG_CONTINUE;
 | |
|     } else if (StriCmp (CommandArg, L"p") == 0) {
 | |
|       //
 | |
|       // Print Call-Stack with parameter
 | |
|       //
 | |
|       ShowParameter = TRUE;
 | |
|       CommandArg = StrGetNextTokenLine (L" ");
 | |
|       if (CommandArg != NULL) {
 | |
|         //
 | |
|         // Try to get the parameter number
 | |
|         //
 | |
|         ParameterNumber = Atoi (CommandArg);
 | |
|         if (ParameterNumber > 16) {
 | |
|           EDBPrint (L"Call-Stack argument Invalid\n");
 | |
|           return EFI_DEBUG_CONTINUE;
 | |
|         }
 | |
|       }
 | |
|     } else {
 | |
|       EDBPrint (L"Call-Stack argument Invalid\n");
 | |
|       return EFI_DEBUG_CONTINUE;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Check CallStack Entry Count
 | |
|   //
 | |
|   if (DebuggerPrivate->CallStackEntryCount == 0) {
 | |
|     EDBPrint (L"No Call-Stack\n");
 | |
|     return EFI_DEBUG_CONTINUE;
 | |
|   } else if (DebuggerPrivate->CallStackEntryCount > EFI_DEBUGGER_CALLSTACK_MAX) {
 | |
|     EDBPrint (L"Call-Stack Crash, re-initialize!\n");
 | |
|     DebuggerPrivate->CallStackEntryCount = 0;
 | |
|     return EFI_DEBUG_CONTINUE;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Go through each CallStack entry and print
 | |
|   //
 | |
|   EDBPrint (L"Call-Stack (TOP):\n");
 | |
|   EDBPrint (L"         Caller             Callee        Name\n");
 | |
|   EDBPrint (L"  ================== ================== ========\n");
 | |
| //EDBPrint (L"  0x00000000FFFFFFFF 0xFFFFFFFF00000000 EfiMain\n");
 | |
|   for (Index = (INTN)(DebuggerPrivate->CallStackEntryCount - 1); Index >= 0; Index--) {
 | |
|     //
 | |
|     // Get CallStack and print
 | |
|     //
 | |
|     CallStackEntry = &DebuggerPrivate->CallStackEntry[Index];
 | |
|     EDBPrint (
 | |
|       L"  0x%016lx 0x%016lx",
 | |
|       CallStackEntry->SourceAddress,
 | |
|       CallStackEntry->DestAddress
 | |
|       );
 | |
|     FuncName = FindSymbolStr ((UINTN)CallStackEntry->DestAddress);
 | |
|     if (FuncName != NULL) {
 | |
|       EDBPrint (L" %a()", FuncName);
 | |
|     }
 | |
|     EDBPrint (L"\n");
 | |
| 
 | |
|     if (ShowParameter) {
 | |
|       //
 | |
|       // Print parameter
 | |
|       //
 | |
|       if (sizeof(UINTN) == sizeof(UINT64)) {
 | |
|         EDBPrint (
 | |
|           L"    Parameter Address (0x%016lx) (\n",
 | |
|           CallStackEntry->ParameterAddr
 | |
|           );
 | |
|         if (ParameterNumber == 0) {
 | |
|           EDBPrint (L"        )\n");
 | |
|           continue;
 | |
|         }
 | |
|         //
 | |
|         // Print each parameter
 | |
|         //
 | |
|         for (SubIndex = 0; SubIndex < ParameterNumber - 1; SubIndex++) {
 | |
|           if (SubIndex % 2 == 0) {
 | |
|             EDBPrint (L"        ");
 | |
|           }
 | |
|           EDBPrint (
 | |
|             L"0x%016lx, ",
 | |
|             CallStackEntry->Parameter[SubIndex]
 | |
|             );
 | |
|           if (SubIndex % 2 == 1) {
 | |
|             EDBPrint (L"\n");
 | |
|           }
 | |
|         }
 | |
|         if (SubIndex % 2 == 0) {
 | |
|           EDBPrint (L"        ");
 | |
|         }
 | |
|         EDBPrint (
 | |
|           L"0x%016lx\n",
 | |
|           CallStackEntry->Parameter[SubIndex]
 | |
|           );
 | |
|         EDBPrint (L"        )\n");
 | |
|         //
 | |
|         // break only for parameter
 | |
|         //
 | |
|         if ((((DebuggerPrivate->CallStackEntryCount - Index) % (16 / ParameterNumber)) == 0) &&
 | |
|             (Index != 0)) {
 | |
|           if (SetPageBreak ()) {
 | |
|             break;
 | |
|           }
 | |
|         }
 | |
|       } else {
 | |
|         EDBPrint (
 | |
|           L"    Parameter Address (0x%08x) (\n",
 | |
|           CallStackEntry->ParameterAddr
 | |
|           );
 | |
|         if (ParameterNumber == 0) {
 | |
|           EDBPrint (L"        )\n");
 | |
|           continue;
 | |
|         }
 | |
|         //
 | |
|         // Print each parameter
 | |
|         //
 | |
|         for (SubIndex = 0; SubIndex < ParameterNumber - 1; SubIndex++) {
 | |
|           if (SubIndex % 4 == 0) {
 | |
|             EDBPrint (L"        ");
 | |
|           }
 | |
|           EDBPrint (
 | |
|             L"0x%08x, ",
 | |
|             CallStackEntry->Parameter[SubIndex]
 | |
|             );
 | |
|           if (SubIndex % 4 == 3) {
 | |
|             EDBPrint (L"\n");
 | |
|           }
 | |
|         }
 | |
|         if (SubIndex % 4 == 0) {
 | |
|           EDBPrint (L"        ");
 | |
|         }
 | |
|         EDBPrint (
 | |
|           L"0x%08x\n",
 | |
|           CallStackEntry->Parameter[SubIndex]
 | |
|           );
 | |
|         EDBPrint (L"        )\n");
 | |
|         //
 | |
|         // break only for parameter
 | |
|         //
 | |
|         if ((((DebuggerPrivate->CallStackEntryCount - Index) % (32 / ParameterNumber)) == 0) &&
 | |
|             (Index != 0)) {
 | |
|           if (SetPageBreak ()) {
 | |
|             break;
 | |
|           }
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Done
 | |
|   //
 | |
|   return EFI_DEBUG_CONTINUE;
 | |
| }
 | |
| 
 | |
| /**
 | |
| 
 | |
|   DebuggerCommand - InstructionBranch.
 | |
| 
 | |
|   @param  CommandArg             The argument for this command
 | |
|   @param  DebuggerPrivate        EBC Debugger private data structure
 | |
|   @param  ExceptionType          Exception type.
 | |
|   @param  SystemContext          EBC system context.
 | |
| 
 | |
|   @retval  EFI_DEBUG_CONTINUE    formal return value
 | |
| 
 | |
| **/
 | |
| EFI_DEBUG_STATUS
 | |
| DebuggerInstructionBranch (
 | |
|   IN     CHAR16                    *CommandArg,
 | |
|   IN     EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
 | |
|   IN     EFI_EXCEPTION_TYPE        ExceptionType,
 | |
|   IN OUT EFI_SYSTEM_CONTEXT        SystemContext
 | |
|   )
 | |
| {
 | |
|   UINTN  Index;
 | |
| 
 | |
|   //
 | |
|   // Check argument
 | |
|   //
 | |
|   if (CommandArg != NULL) {
 | |
|     if (StriCmp (CommandArg, L"c") == 0) {
 | |
|       //
 | |
|       // Clear Trace
 | |
|       //
 | |
|       DebuggerPrivate->TraceEntryCount = 0;
 | |
|       ZeroMem (DebuggerPrivate->TraceEntry, sizeof(DebuggerPrivate->TraceEntry));
 | |
|       EDBPrint (L"Instruction Trace is cleared\n");
 | |
|     } else {
 | |
|       EDBPrint (L"Trace argument Invalid\n");
 | |
|     }
 | |
|     return EFI_DEBUG_CONTINUE;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Check Trace Entry Count
 | |
|   //
 | |
|   if (DebuggerPrivate->TraceEntryCount == 0) {
 | |
|     EDBPrint (L"No Instruction Trace\n");
 | |
|     return EFI_DEBUG_CONTINUE;
 | |
|   } else if (DebuggerPrivate->TraceEntryCount > EFI_DEBUGGER_TRACE_MAX) {
 | |
|     EDBPrint (L"Instruction Trace Crash, re-initialize!\n");
 | |
|     DebuggerPrivate->TraceEntryCount = 0;
 | |
|     return EFI_DEBUG_CONTINUE;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Go through each Trace entry and print
 | |
|   //
 | |
|   EDBPrint (L"Instruction Trace (->Latest):\n");
 | |
|   EDBPrint (L"    Source Addr        Destination Addr   Type\n");
 | |
|   EDBPrint (L"  ================== ================== ========\n");
 | |
| //EDBPrint (L"  0x00000000FFFFFFFF 0xFFFFFFFF00000000  (CALLEX)\n");
 | |
|   for (Index = 0; Index < DebuggerPrivate->TraceEntryCount; Index++) {
 | |
|     EDBPrint (
 | |
|       L"  0x%016lx 0x%016lx  %s\n",
 | |
|       DebuggerPrivate->TraceEntry[Index].SourceAddress,
 | |
|       DebuggerPrivate->TraceEntry[Index].DestAddress,
 | |
|       EdbBranchTypeToStr (DebuggerPrivate->TraceEntry[Index].Type)
 | |
|       );
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Done
 | |
|   //
 | |
|   return EFI_DEBUG_CONTINUE;
 | |
| }
 |