Changeset 73486 in vbox for trunk/src/VBox

Timestamp:

Aug 3, 2018 1:59:46 PM (6 years ago)

Author:

vboxsync

Message:

DBGFStack,DBGPlugInWinNt.cpp: Heed the frame pointer; don't corrupt RBP with invalid trapframe info.

Location:

trunk/src/VBox

Files:

• Debugger/DBGPlugInWinNt.cpp (modified) (1 diff)
• VMM/VMMR3/DBGFStack.cpp (modified) (1 diff)

trunk/src/VBox/Debugger/DBGPlugInWinNt.cpp

@@ -457 +457 @@
                             MAYBE_ADD_GREG(TrapFrame.Rdi, DBGFREG_RDI, X86_GREG_xDI);
                         }
-                        MAYBE_ADD_GREG(TrapFrame.Rbp, DBGFREG_RBP, X86_GREG_xBP);
+                        // MAYBE_ADD_GREG(TrapFrame.Rbp, DBGFREG_RBP, X86_GREG_xBP); - KiInterrupt[Sub]Dispatch* may leave this invalid.
 
                         /* Done? */

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

@@ -489 +489 @@
                             iFrameReg = uOpInfo;
                             offFrameReg = pInfo->FrameOffset * 16;
+                            pThis->u.x86.auRegs[X86_GREG_xSP] = pThis->u.x86.auRegs[iFrameReg] - offFrameReg;
                             iOpcode++;
                             break;