Changeset 73417 in vbox for trunk/src/VBox

Timestamp:

Aug 1, 2018 11:09:23 AM (6 years ago)

Author:

vboxsync

Message:

VMM/DBGF: Implemented DBGFR3RegNmQueryXdtr and fixed exports, including DBGFR3ModInMem which is needed by previous commit.

Location:

trunk/src/VBox/VMM/VMMR3

Files:

• DBGFReg.cpp (modified) (3 diffs)
• VMMR3.def (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR3/DBGFReg.cpp

@@ -1050 +1050 @@
     return rc;
 }
+
+
+/**
+ * Queries a descriptor table register value.
+ *
+ * @retval  VINF_SUCCESS
+ * @retval  VERR_INVALID_VM_HANDLE
+ * @retval  VERR_INVALID_CPU_ID
+ * @retval  VERR_DBGF_REGISTER_NOT_FOUND
+ * @retval  VERR_DBGF_UNSUPPORTED_CAST
+ * @retval  VINF_DBGF_TRUNCATED_REGISTER
+ * @retval  VINF_DBGF_ZERO_EXTENDED_REGISTER
+ *
+ * @param   pUVM                The user mode VM handle.
+ * @param   idCpu               The target CPU ID.  Can be OR'ed with
+ *                              DBGFREG_HYPER_VMCPUID.
+ * @param   enmReg              The register that's being queried.
+ * @param   pu64Base            Where to store the register base value.
+ * @param   pu16Limit           Where to store the register limit value.
+ */
+VMMR3DECL(int) DBGFR3RegCpuQueryXdtr(PUVM pUVM, VMCPUID idCpu, DBGFREG enmReg, uint64_t *pu64Base, uint16_t *pu16Limit)
+{
+    DBGFREGVAL Value;
+    int rc = dbgfR3RegCpuQueryWorker(pUVM, idCpu, enmReg, DBGFREGVALTYPE_DTR, &Value);
+    if (RT_SUCCESS(rc))
+    {
+        *pu64Base  = Value.dtr.u64Base;
+        *pu16Limit = Value.dtr.u32Limit;
+    }
+    else
+    {
+        *pu64Base  = 0;
+        *pu16Limit = 0;
+    }
+    return rc;
+}
+
 
 #if 0 /* rewrite / remove */
@@ -1770 +1807 @@
  *                              "set.reg[.sub]".
  * @param   pu64Base            Where to store the register base value.
- * @param   pu32Limit           Where to store the register limit value.
- */
-VMMR3DECL(int) DBGFR3RegNmQueryXdtr(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint64_t *pu64Base, uint32_t *pu32Limit)
+ * @param   pu16Limit           Where to store the register limit value.
+ */
+VMMR3DECL(int) DBGFR3RegNmQueryXdtr(PUVM pUVM, VMCPUID idDefCpu, const char *pszReg, uint64_t *pu64Base, uint16_t *pu16Limit)
 {
     DBGFREGVAL Value;
@@ -1779 +1816 @@
     {
         *pu64Base  = Value.dtr.u64Base;
-        *pu32Limit = Value.dtr.u32Limit;
+        *pu16Limit = Value.dtr.u32Limit;
     }
     else
     {
         *pu64Base  = 0;
-        *pu32Limit = 0;
+        *pu16Limit = 0;
     }
     return rc;

trunk/src/VBox/VMM/VMMR3/VMMR3.def

@@ -110 +110 @@
     DBGFR3OSDetect
     DBGFR3OSQueryNameAndVersion
+    DBGFR3RegCpuQueryU8
+    DBGFR3RegCpuQueryU16
     DBGFR3RegCpuQueryU32
+    DBGFR3RegCpuQueryU64
+    DBGFR3RegCpuQueryXdtr
+    DBGFR3RegCpuQueryLrd
     DBGFR3RegFormatValue
     DBGFR3RegNmQuery
@@ -121 +126 @@
     DBGFR3MemRead
     DBGFR3MemScan
+    DBGFR3ModInMem
     DBGFR3AddrFromFlat
     DBGFR3AsSymbolByName