Changeset 72559 in vbox for trunk/src/VBox

Timestamp:

Jun 15, 2018 9:52:18 AM (7 years ago)

Author:

vboxsync

Message:

EM,TRPM: Record raw-mode traps (no timestamps). bugref:9044

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/EMAll.cpp (modified) (1 diff)
• VMMRC/TRPMRCHandlers.cpp (modified) (14 diffs)

trunk/src/VBox/VMM/VMMAll/EMAll.cpp

@@ -437 +437 @@
     return EMEXITACTION_NORMAL;
 }
+
+
+#ifdef IN_RC
+/**
+ * Special raw-mode interface for adding an exit to the history.
+ *
+ * Currently this is only for recording, not optimizing, so no return value.  If
+ * we start seriously caring about raw-mode again, we may extend it.
+ *
+ * @param   pVCpu           The corss context virtual CPU structure.
+ * @param   uFlagsAndType   Combined flags and type (see EMEXIT_MAKE_FLAGS_AND_TYPE).
+ * @param   uCs             The CS.
+ * @param   uEip            The EIP.
+ * @thread  EMT(0)
+ */
+VMMRC_INT_DECL(void) EMRCHistoryAddExitNoTs(PVMCPU pVCpu, uint32_t uFlagsAndType, uint16_t uCs, uint32_t uEip)
+{
+    AssertCompile(RT_ELEMENTS(pVCpu->em.s.aExitHistory) == 256);
+    PEMEXITENTRY pHistEntry = &pVCpu->em.s.aExitHistory[(uintptr_t)(pVCpu->em.s.iNextExit++) & 0xff];
+    pHistEntry->uFlatPC       = ((uint64_t)uCs << 32) |  uEip;
+    pHistEntry->uTimestamp    = 0;
+    pHistEntry->uFlagsAndType = uFlagsAndType | EMEXIT_F_CS_EIP;
+    pHistEntry->idxSlot       = UINT32_MAX;
+}
+#endif
 
 

trunk/src/VBox/VMM/VMMRC/TRPMRCHandlers.cpp

@@ -333 +333 @@
     LogFlow(("TRPMGC01: cs:eip=%04x:%08x uDr6=%RTreg EFL=%x\n", pRegFrame->cs.Sel, pRegFrame->eip, uDr6, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK(1);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_DB), pRegFrame->cs.Sel, pRegFrame->eip);
 
     /*
@@ -386 +387 @@
     PVMCPU      pVCpu = TRPMCPU_2_VMCPU(pTrpmCpu);
     TRPM_ENTER_DBG_HOOK_HYPER(1);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_DB), pRegFrame->cs.Sel, pRegFrame->eip);
     LogFlow(("TRPMGCHyper01: cs:eip=%04x:%08x uDr6=%RTreg\n", pRegFrame->cs.Sel, pRegFrame->eip, uDr6));
 
@@ -426 +428 @@
 {
     LogFlow(("TRPMGCTrap02Handler: cs:eip=%04x:%08x\n", pRegFrame->cs.Sel, pRegFrame->eip));
+    EMRCHistoryAddExitNoTs(TRPMCPU_2_VMCPU(pTrpmCpu), EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_NMI),
+                           pRegFrame->cs.Sel, pRegFrame->eip);
 #if 0 /* Enable this iff you have a COM port and really want this debug info. */
     RTLogComPrintf("TRPMGCTrap02Handler: cs:eip=%04x:%08x\n", pRegFrame->cs.Sel, pRegFrame->eip);
@@ -452 +456 @@
 {
     LogFlow(("TRPMGCHyperTrap02Handler: cs:eip=%04x:%08x\n", pRegFrame->cs.Sel, pRegFrame->eip));
+    EMRCHistoryAddExitNoTs(TRPMCPU_2_VMCPU(pTrpmCpu), EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_NMI),
+                           pRegFrame->cs.Sel, pRegFrame->eip);
 #if 0 /* Enable this iff you have a COM port and really want this debug info. */
     RTLogComPrintf("TRPMGCHyperTrap02Handler: cs:eip=%04x:%08x\n", pRegFrame->cs.Sel, pRegFrame->eip);
@@ -478 +484 @@
     LogFlow(("TRPMGC03: %04x:%08x EFL=%x\n", pRegFrame->cs.Sel, pRegFrame->eip, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK(3);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_BP), pRegFrame->cs.Sel, pRegFrame->eip);
     PGMRZDynMapStartAutoSet(pVCpu);
 
@@ -530 +537 @@
     LogFlow(("TRPMGCHyper03: %04x:%08x EFL=%x\n", pRegFrame->cs.Sel, pRegFrame->eip, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK_HYPER(3);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_BP), pRegFrame->cs.Sel, pRegFrame->eip);
 
     /*
@@ -561 +569 @@
     LogFlow(("TRPMGC06: %04x:%08x EFL=%#x/%#x\n", pRegFrame->cs.Sel, pRegFrame->eip, pRegFrame->eflags.u32, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK(6);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_UD), pRegFrame->cs.Sel, pRegFrame->eip);
     PGMRZDynMapStartAutoSet(pVCpu);
 
@@ -697 +706 @@
     LogFlow(("TRPMGC07: %04x:%08x EFL=%x\n", pRegFrame->cs.Sel, pRegFrame->eip, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK(7);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_NM), pRegFrame->cs.Sel, pRegFrame->eip);
     PGMRZDynMapStartAutoSet(pVCpu);
 
@@ -723 +733 @@
     LogFlow(("TRPMGC0b: %04x:%08x EFL=%x\n", pRegFrame->cs.Sel, pRegFrame->eip, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK(0xb);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_NP), pRegFrame->cs.Sel, pRegFrame->eip);
     PGMRZDynMapStartAutoSet(pVCpu);
 
@@ -1184 +1195 @@
     LogFlow(("TRPMGC0d: %04x:%08x err=%x EFL=%x\n", pRegFrame->cs.Sel, pRegFrame->eip, (uint32_t)pVCpu->trpm.s.uActiveErrorCode, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK(0xd);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_GP), pRegFrame->cs.Sel, pRegFrame->eip);
 
     PGMRZDynMapStartAutoSet(pVCpu);
@@ -1249 +1261 @@
     LogFlow(("TRPMGC0e: %04x:%08x err=%x cr2=%08x EFL=%x\n", pRegFrame->cs.Sel, pRegFrame->eip, (uint32_t)pVCpu->trpm.s.uActiveErrorCode, (uint32_t)pVCpu->trpm.s.uActiveCR2, CPUMRawGetEFlags(pVCpu)));
     TRPM_ENTER_DBG_HOOK(0xe);
+    EMRCHistoryAddExitNoTs(pVCpu, EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_PF), pRegFrame->cs.Sel, pRegFrame->eip);
 
     /*
@@ -1364 +1377 @@
 DECLASM(int) TRPMGCHyperTrap0bHandler(PTRPMCPU pTrpmCpu, PCPUMCTXCORE pRegFrame)
 {
+    EMRCHistoryAddExitNoTs(TRPMCPU_2_VMCPU(pTrpmCpu), EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_NP),
+                           pRegFrame->cs.Sel, pRegFrame->eip);
     return trpmGCHyperGeneric(TRPMCPU_2_VM(pTrpmCpu), pRegFrame, g_aTrap0bHandlers, g_aTrap0bHandlersEnd);
 }
@@ -1383 +1398 @@
 DECLASM(int) TRPMGCHyperTrap0dHandler(PTRPMCPU pTrpmCpu, PCPUMCTXCORE pRegFrame)
 {
+    EMRCHistoryAddExitNoTs(TRPMCPU_2_VMCPU(pTrpmCpu), EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_GP),
+                           pRegFrame->cs.Sel, pRegFrame->eip);
     return trpmGCHyperGeneric(TRPMCPU_2_VM(pTrpmCpu), pRegFrame, g_aTrap0dHandlers, g_aTrap0dHandlersEnd);
 }
@@ -1402 +1419 @@
 DECLASM(int) TRPMGCHyperTrap0eHandler(PTRPMCPU pTrpmCpu, PCPUMCTXCORE pRegFrame)
 {
+    EMRCHistoryAddExitNoTs(TRPMCPU_2_VMCPU(pTrpmCpu), EMEXIT_MAKE_FLAGS_AND_TYPE(EMEXIT_F_KIND_XCPT, X86_XCPT_PF),
+                           pRegFrame->cs.Sel, pRegFrame->eip);
     return trpmGCHyperGeneric(TRPMCPU_2_VM(pTrpmCpu), pRegFrame, g_aTrap0dHandlers, g_aTrap0dHandlersEnd);
 }