diff options
Diffstat (limited to 'src/VBox/VMM/VMMR3/PATMPatch.h')
| -rw-r--r-- | src/VBox/VMM/VMMR3/PATMPatch.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/VBox/VMM/VMMR3/PATMPatch.h b/src/VBox/VMM/VMMR3/PATMPatch.h new file mode 100644 index 00000000..d5f9c2d7 --- /dev/null +++ b/src/VBox/VMM/VMMR3/PATMPatch.h @@ -0,0 +1,156 @@ +/* $Id: PATMPatch.h $ */ +/** @file + * PATMPatch - Internal header file. + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + */ + +#ifndef VMM_INCLUDED_SRC_VMMR3_PATMPatch_h +#define VMM_INCLUDED_SRC_VMMR3_PATMPatch_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +int patmPatchAddReloc32(PVM pVM, PPATCHINFO pPatch, uint8_t *pRelocHC, uint32_t uType, RTRCPTR pSource = 0, RTRCPTR pDest = 0); +int patmPatchAddJump(PVM pVM, PPATCHINFO pPatch, uint8_t *pJumpHC, uint32_t offset, RTRCPTR pTargetGC, uint32_t opcode); + +int patmPatchGenCpuid(PVM pVM, PPATCHINFO pPatch, RTRCPTR pCurInstrGC); +int patmPatchGenSxDT(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu, RTRCPTR pCurInstrGC); +int patmPatchGenSldtStr(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu, RTRCPTR pCurInstrGC); +int patmPatchGenMovControl(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu); +int patmPatchGenMovDebug(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu); +int patmPatchGenMovFromSS(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu, RTRCPTR pCurInstrGC); +int patmPatchGenRelJump(PVM pVM, PPATCHINFO pPatch, RCPTRTYPE(uint8_t *) pTargetGC, uint32_t opcode, bool fSizeOverride); +int patmPatchGenLoop(PVM pVM, PPATCHINFO pPatch, RCPTRTYPE(uint8_t *) pTargetGC, uint32_t opcode, bool fSizeOverride); +int patmPatchGenPushf(PVM pVM, PPATCHINFO pPatch, bool fSizeOverride); +int patmPatchGenPopf(PVM pVM, PPATCHINFO pPatch, RCPTRTYPE(uint8_t *) pReturnAddrGC, bool fSizeOverride, bool fGenJumpBack); +int patmPatchGenSti(PVM pVM, PPATCHINFO pPatch, RTRCPTR pCurInstrGC, RTRCPTR pNextInstrGC); + +int patmPatchGenCli(PVM pVM, PPATCHINFO pPatch); +int patmPatchGenIret(PVM pVM, PPATCHINFO pPatch, RTRCPTR pCurInstrGC, bool fSizeOverride); +int patmPatchGenDuplicate(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu, RCPTRTYPE(uint8_t *) pCurInstrGC); +int patmPatchGenPushCS(PVM pVM, PPATCHINFO pPatch); + +int patmPatchGenStats(PVM pVM, PPATCHINFO pPatch, RTRCPTR pInstrGC); + +int patmPatchGenCall(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu, RTRCPTR pInstrGC, RTRCPTR pTargetGC, bool fIndirect); +int patmPatchGenRet(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu, RCPTRTYPE(uint8_t *) pCurInstrGC); + +int patmPatchGenPatchJump(PVM pVM, PPATCHINFO pPatch, RTRCPTR pCurInstrGC, RCPTRTYPE(uint8_t *) pPatchAddrGC, bool fAddLookupRecord = true); + +/** + * Generate indirect jump to unknown destination + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch record + * @param pCpu Disassembly state + * @param pCurInstrGC Current instruction address + */ +int patmPatchGenJump(PVM pVM, PPATCHINFO pPatch, DISCPUSTATE *pCpu, RTRCPTR pCurInstrGC); + +/** + * Generate a trap handler entrypoint + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch record + * @param pTrapHandlerGC IDT handler address + */ +int patmPatchGenTrapEntry(PVM pVM, PPATCHINFO pPatch, RTRCPTR pTrapHandlerGC); + +/** + * Generate an interrupt handler entrypoint + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch record + * @param pIntHandlerGC IDT handler address + */ +int patmPatchGenIntEntry(PVM pVM, PPATCHINFO pPatch, RTRCPTR pIntHandlerGC); + +/** + * Generate the jump from guest to patch code + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch record. + * @param pReturnAddrGC Guest code target of the jump. + * @param fClearInhibitIRQs Clear inhibit irq flag. + */ +int patmPatchGenJumpToGuest(PVM pVM, PPATCHINFO pPatch, RCPTRTYPE(uint8_t *) pReturnAddrGC, bool fClearInhibitIRQs = false); + +/** + * Generate illegal instruction (int 3) + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch structure + * + */ +int patmPatchGenIllegalInstr(PVM pVM, PPATCHINFO pPatch); + +/** + * Set PATM interrupt flag + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch structure + * @param pInstrGC Corresponding guest instruction + * + */ +int patmPatchGenSetPIF(PVM pVM, PPATCHINFO pPatch, RTRCPTR pInstrGC); + +/** + * Clear PATM interrupt flag + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch structure + * @param pInstrGC Corresponding guest instruction + * + */ +int patmPatchGenClearPIF(PVM pVM, PPATCHINFO pPatch, RTRCPTR pInstrGC); + +/** + * Clear PATM inhibit irq flag + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch structure + * @param pNextInstrGC Next guest instruction + */ +int patmPatchGenClearInhibitIRQ(PVM pVM, PPATCHINFO pPatch, RTRCPTR pNextInstrGC); + +/** + * Check virtual IF flag and jump back to original guest code if set + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch structure + * @param pCurInstrGC Guest context pointer to the current instruction + * + */ +int patmPatchGenCheckIF(PVM pVM, PPATCHINFO pPatch, RTRCPTR pCurInstrGC); + +/** + * Generate all global patm functions + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pPatch Patch structure + * + */ +int patmPatchGenGlobalFunctions(PVM pVM, PPATCHINFO pPatch); + +#endif /* !VMM_INCLUDED_SRC_VMMR3_PATMPatch_h */ |