diff options
Diffstat (limited to 'MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdBranch.c')
| -rw-r--r-- | MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdBranch.c | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdBranch.c b/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdBranch.c new file mode 100644 index 0000000000..ab07f72aad --- /dev/null +++ b/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdBranch.c @@ -0,0 +1,336 @@ +/*++
+
+Copyright (c) 2007, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ EdbCmdBranch.c
+
+Abstract:
+
+
+--*/
+
+#include "Edb.h"
+
+CHAR16 *mBranchTypeStr[] = {
+ L"(CALL)",
+ L"(CALLEX)",
+ L"(RET)",
+ L"(JMP)",
+ L"(JMP8)",
+};
+
+CHAR16 *
+EdbBranchTypeToStr (
+ IN EFI_DEBUGGER_BRANCH_TYPE Type
+ )
+/*++
+
+Routine Description:
+
+ Comvert Branch Type to string
+
+Arguments:
+
+ Type - Branch Type
+
+Returns:
+
+ String
+
+--*/
+{
+ if (Type < 0 || Type >= EfiDebuggerBranchTypeEbcMax) {
+ return L"(Unknown Type)";
+ }
+
+ return mBranchTypeStr [Type];
+}
+
+EFI_DEBUG_STATUS
+DebuggerCallStack (
+ IN CHAR16 *CommandArg,
+ IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN OUT EFI_SYSTEM_CONTEXT SystemContext
+ )
+/*++
+
+Routine Description:
+
+ DebuggerCommand - CallStack
+
+Arguments:
+
+ CommandArg - The argument for this command
+ DebuggerPrivate - EBC Debugger private data structure
+ InterruptType - Interrupt type.
+ SystemContext - EBC system context.
+
+Returns:
+
+ EFI_DEBUG_CONTINUE - formal return value
+
+--*/
+{
+ 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;
+}
+
+EFI_DEBUG_STATUS
+DebuggerInstructionBranch (
+ IN CHAR16 *CommandArg,
+ IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN OUT EFI_SYSTEM_CONTEXT SystemContext
+ )
+/*++
+
+Routine Description:
+
+ DebuggerCommand - InstructionBranch
+
+Arguments:
+
+ CommandArg - The argument for this command
+ DebuggerPrivate - EBC Debugger private data structure
+ InterruptType - Interrupt type.
+ SystemContext - EBC system context.
+
+Returns:
+
+ EFI_DEBUG_CONTINUE - formal return value
+
+--*/
+{
+ 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;
+}
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