MdeModulePkg/EbcDxe: prepare support for EBC Debugger

[mirror_edk2.git] / MdeModulePkg / Universal / EbcDxe / EbcExecute.c

diff --git a/MdeModulePkg/Universal/EbcDxe/EbcExecute.c b/MdeModulePkg/Universal/EbcDxe/EbcExecute.c
index d9c17f48a0388cffb8ff507c1def29ff1bf815ed..a4c51e9b0f614c73a16f2fdbaa75a876ad5ac822 100644 (file)
--- a/MdeModulePkg/Universal/EbcDxe/EbcExecute.c
+++ b/MdeModulePkg/Universal/EbcDxe/EbcExecute.c
@@ -14,6 +14,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 \r
 #include "EbcInt.h"\r
 #include "EbcExecute.h"\r
+#include "EbcDebuggerHook.h"\r
 \r
 \r
 //\r
@@ -1488,6 +1489,9 @@ EbcExecute (
       Status = EFI_UNSUPPORTED;\r
       goto Done;\r
     }\r
+\r
+    EbcDebuggerHookExecuteStart (VmPtr);\r
+\r
     //\r
     // The EBC VM is a strongly ordered processor, so perform a fence operation before\r
     // and after each instruction is executed.\r
@@ -1498,6 +1502,8 @@ EbcExecute (
 \r
     MemoryFence ();\r
 \r
+    EbcDebuggerHookExecuteEnd (VmPtr);\r
+\r
     //\r
     // If the step flag is set, signal an exception and continue. We don't\r
     // clear it here. Assuming the debugger is responsible for clearing it.\r
@@ -1976,7 +1982,9 @@ ExecuteJMP (
   ConditionFlag = (UINT8) VMFLAG_ISSET (VmPtr, VMFLAGS_CC);\r
   if ((Operand & CONDITION_M_CONDITIONAL) != 0) {\r
     if (CompareSet != ConditionFlag) {\r
+      EbcDebuggerHookJMPStart (VmPtr);\r
       VmPtr->Ip += Size;\r
+      EbcDebuggerHookJMPEnd (VmPtr);\r
       return EFI_SUCCESS;\r
     }\r
   }\r
@@ -2015,11 +2023,13 @@ ExecuteJMP (
     //\r
     // Take jump -- relative or absolute\r
     //\r
+    EbcDebuggerHookJMPStart (VmPtr);\r
     if ((Operand & JMP_M_RELATIVE) != 0) {\r
       VmPtr->Ip += (UINTN) Data64 + Size;\r
     } else {\r
       VmPtr->Ip = (VMIP) (UINTN) Data64;\r
     }\r
+    EbcDebuggerHookJMPEnd (VmPtr);\r
 \r
     return EFI_SUCCESS;\r
   }\r
@@ -2065,11 +2075,14 @@ ExecuteJMP (
       return EFI_UNSUPPORTED;\r
     }\r
 \r
+    EbcDebuggerHookJMPStart (VmPtr);\r
     if ((Operand & JMP_M_RELATIVE) != 0) {\r
       VmPtr->Ip += (UINTN) Addr + Size;\r
     } else {\r
       VmPtr->Ip = (VMIP) Addr;\r
     }\r
+    EbcDebuggerHookJMPEnd (VmPtr);\r
+\r
   } else {\r
     //\r
     // Form: JMP32 Rx {Immed32}\r
@@ -2085,11 +2098,14 @@ ExecuteJMP (
       return EFI_UNSUPPORTED;\r
     }\r
 \r
+    EbcDebuggerHookJMPStart (VmPtr);\r
     if ((Operand & JMP_M_RELATIVE) != 0) {\r
       VmPtr->Ip += (UINTN) Addr + Size;\r
     } else {\r
       VmPtr->Ip = (VMIP) Addr;\r
     }\r
+    EbcDebuggerHookJMPEnd (VmPtr);\r
+\r
   }\r
 \r
   return EFI_SUCCESS;\r
@@ -2129,7 +2145,9 @@ ExecuteJMP8 (
   //\r
   if ((Opcode & CONDITION_M_CONDITIONAL) != 0) {\r
     if (CompareSet != ConditionFlag) {\r
+      EbcDebuggerHookJMP8Start (VmPtr);\r
       VmPtr->Ip += 2;\r
+      EbcDebuggerHookJMP8End (VmPtr);\r
       return EFI_SUCCESS;\r
     }\r
   }\r
@@ -2141,7 +2159,9 @@ ExecuteJMP8 (
   //\r
   // Want to check for offset == -2 and then raise an exception?\r
   //\r
+  EbcDebuggerHookJMP8Start (VmPtr);\r
   VmPtr->Ip += (Offset * 2) + 2;\r
+  EbcDebuggerHookJMP8End (VmPtr);\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -2966,6 +2986,13 @@ ExecuteCALL (
   //\r
   Opcode    = GETOPCODE (VmPtr);\r
   Operands  = GETOPERANDS (VmPtr);\r
+\r
+  if (Operands & OPERAND_M_NATIVE_CALL) {\r
+    EbcDebuggerHookCALLEXStart (VmPtr);\r
+  } else {\r
+    EbcDebuggerHookCALLStart (VmPtr);\r
+  }\r
+\r
   //\r
   // Assign these as well to avoid compiler warnings\r
   //\r
@@ -3067,6 +3094,12 @@ ExecuteCALL (
     }\r
   }\r
 \r
+  if (Operands & OPERAND_M_NATIVE_CALL) {\r
+    EbcDebuggerHookCALLEXEnd (VmPtr);\r
+  } else {\r
+    EbcDebuggerHookCALLEnd (VmPtr);\r
+  }\r
+\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -3087,6 +3120,9 @@ ExecuteRET (
   IN VM_CONTEXT *VmPtr\r
   )\r
 {\r
+\r
+  EbcDebuggerHookRETStart (VmPtr);\r
+\r
   //\r
   // If we're at the top of the stack, then simply set the done\r
   // flag and return\r
@@ -3114,6 +3150,9 @@ ExecuteRET (
     VmPtr->Gpr[0] += 8;\r
   }\r
 \r
+\r
+  EbcDebuggerHookRETEnd (VmPtr);\r
+\r
   return EFI_SUCCESS;\r
 }\r
 \r