/** @file * DBGF - Debugger Facility. */ /* * Copyright (C) 2006-2007 Sun Microsystems, Inc. * * 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. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 USA or visit http://www.sun.com if you need * additional information or have any questions. */ #ifndef ___VBox_dbgf_h #define ___VBox_dbgf_h #include #include #include #include /* LOG_ENABLED */ #include __BEGIN_DECLS /** @defgroup grp_dbgf The Debugger Facility API * @{ */ #ifdef IN_GC /** @addgroup grp_dbgf_gc The GC DBGF API * @ingroup grp_dbgf * @{ */ VMMRCDECL(int) DBGFGCTrap01Handler(PVM pVM, PCPUMCTXCORE pRegFrame, RTGCUINTREG uDr6); VMMRCDECL(int) DBGFGCTrap03Handler(PVM pVM, PCPUMCTXCORE pRegFrame); /** @} */ #endif #ifdef IN_RING0 /** @addgroup grp_dbgf_gc The R0 DBGF API * @ingroup grp_dbgf * @{ */ VMMR0DECL(int) DBGFR0Trap01Handler(PVM pVM, PCPUMCTXCORE pRegFrame, RTGCUINTREG uDr6); VMMR0DECL(int) DBGFR0Trap03Handler(PVM pVM, PCPUMCTXCORE pRegFrame); /** @} */ #endif /** * Mixed address. */ typedef struct DBGFADDRESS { /** The flat address. */ RTGCUINTPTR FlatPtr; /** The selector offset address. */ RTGCUINTPTR off; /** The selector. DBGF_SEL_FLAT is a legal value. */ RTSEL Sel; /** Flags describing further details about the address. */ uint16_t fFlags; } DBGFADDRESS; /** Pointer to a mixed address. */ typedef DBGFADDRESS *PDBGFADDRESS; /** Pointer to a const mixed address. */ typedef const DBGFADDRESS *PCDBGFADDRESS; /** @name DBGFADDRESS Flags. * @{ */ /** A 16:16 far address. */ #define DBGFADDRESS_FLAGS_FAR16 0 /** A 16:32 far address. */ #define DBGFADDRESS_FLAGS_FAR32 1 /** A 16:64 far address. */ #define DBGFADDRESS_FLAGS_FAR64 2 /** A flat address. */ #define DBGFADDRESS_FLAGS_FLAT 3 /** A physical address. */ #define DBGFADDRESS_FLAGS_PHYS 4 /** The address type mask. */ #define DBGFADDRESS_FLAGS_TYPE_MASK 7 /** Set if the address is valid. */ #define DBGFADDRESS_FLAGS_VALID RT_BIT(3) /** The address is within the hypervisor memoary area (HMA). * If not set, the address can be assumed to be a guest address. */ #define DBGFADDRESS_FLAGS_HMA RT_BIT(4) /** Checks if the mixed address is flat or not. */ #define DBGFADDRESS_IS_FLAT(pAddress) ( ((pAddress)->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK) == DBGFADDRESS_FLAGS_FLAT ) /** Checks if the mixed address is flat or not. */ #define DBGFADDRESS_IS_PHYS(pAddress) ( ((pAddress)->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK) == DBGFADDRESS_FLAGS_PHYS ) /** Checks if the mixed address is far 16:16 or not. */ #define DBGFADDRESS_IS_FAR16(pAddress) ( ((pAddress)->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK) == DBGFADDRESS_FLAGS_FAR16 ) /** Checks if the mixed address is far 16:32 or not. */ #define DBGFADDRESS_IS_FAR32(pAddress) ( ((pAddress)->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK) == DBGFADDRESS_FLAGS_FAR32 ) /** Checks if the mixed address is far 16:64 or not. */ #define DBGFADDRESS_IS_FAR64(pAddress) ( ((pAddress)->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK) == DBGFADDRESS_FLAGS_FAR64 ) /** Checks if the mixed address is valid. */ #define DBGFADDRESS_IS_VALID(pAddress) ( !!((pAddress)->fFlags & DBGFADDRESS_FLAGS_VALID) ) /** Checks if the address is flagged as within the HMA. */ #define DBGFADDRESS_IS_HMA(pAddress) ( !!((pAddress)->fFlags & DBGFADDRESS_FLAGS_HMA) ) /** @} */ VMMR3DECL(int) DBGFR3AddrFromSelOff(PVM pVM, PDBGFADDRESS pAddress, RTSEL Sel, RTUINTPTR off); VMMR3DECL(PDBGFADDRESS) DBGFR3AddrFromFlat(PVM pVM, PDBGFADDRESS pAddress, RTGCUINTPTR FlatPtr); VMMR3DECL(void) DBGFR3AddrFromPhys(PVM pVM, PDBGFADDRESS pAddress, RTGCPHYS PhysAddr); VMMR3DECL(bool) DBGFR3AddrIsValid(PVM pVM, PCDBGFADDRESS pAddress); /** * VMM Debug Event Type. */ typedef enum DBGFEVENTTYPE { /** Halt completed. * This notifies that a halt command have been successfully completed. */ DBGFEVENT_HALT_DONE = 0, /** Detach completed. * This notifies that the detach command have been successfully completed. */ DBGFEVENT_DETACH_DONE, /** The command from the debugger is not recognized. * This means internal error or half implemented features. */ DBGFEVENT_INVALID_COMMAND, /** Fatal error. * This notifies a fatal error in the VMM and that the debugger get's a * chance to first hand information about the the problem. */ DBGFEVENT_FATAL_ERROR = 100, /** Breakpoint Hit. * This notifies that a breakpoint installed by the debugger was hit. The * identifier of the breakpoint can be found in the DBGFEVENT::u::Bp::iBp member. */ DBGFEVENT_BREAKPOINT, /** Breakpoint Hit in the Hypervisor. * This notifies that a breakpoint installed by the debugger was hit. The * identifier of the breakpoint can be found in the DBGFEVENT::u::Bp::iBp member. */ DBGFEVENT_BREAKPOINT_HYPER, /** Assertion in the Hypervisor (breakpoint instruction). * This notifies that a breakpoint instruction was hit in the hypervisor context. */ DBGFEVENT_ASSERTION_HYPER, /** Single Stepped. * This notifies that a single step operation was completed. */ DBGFEVENT_STEPPED, /** Single Stepped. * This notifies that a hypervisor single step operation was completed. */ DBGFEVENT_STEPPED_HYPER, /** The developer have used the DBGFSTOP macro or the PDMDeviceDBGFSTOP function * to bring up the debugger at a specific place. */ DBGFEVENT_DEV_STOP, /** The VM is terminating. * When this notification is received, the debugger thread should detach ASAP. */ DBGFEVENT_TERMINATING, /** The usual 32-bit hack. */ DBGFEVENT_32BIT_HACK = 0x7fffffff } DBGFEVENTTYPE; /** * The context of an event. */ typedef enum DBGFEVENTCTX { /** The usual invalid entry. */ DBGFEVENTCTX_INVALID = 0, /** Raw mode. */ DBGFEVENTCTX_RAW, /** Recompiled mode. */ DBGFEVENTCTX_REM, /** VMX / AVT mode. */ DBGFEVENTCTX_HWACCL, /** Hypervisor context. */ DBGFEVENTCTX_HYPER, /** Other mode */ DBGFEVENTCTX_OTHER, /** The usual 32-bit hack */ DBGFEVENTCTX_32BIT_HACK = 0x7fffffff } DBGFEVENTCTX; /** * VMM Debug Event. */ typedef struct DBGFEVENT { /** Type. */ DBGFEVENTTYPE enmType; /** Context */ DBGFEVENTCTX enmCtx; /** Type specific data. */ union { /** Fatal error details. */ struct { /** The GC return code. */ int rc; } FatalError; /** Source location. */ struct { /** File name. */ R3PTRTYPE(const char *) pszFile; /** Function name. */ R3PTRTYPE(const char *) pszFunction; /** Message. */ R3PTRTYPE(const char *) pszMessage; /** Line number. */ unsigned uLine; } Src; /** Assertion messages. */ struct { /** The first message. */ R3PTRTYPE(const char *) pszMsg1; /** The second message. */ R3PTRTYPE(const char *) pszMsg2; } Assert; /** Breakpoint. */ struct DBGFEVENTBP { /** The identifier of the breakpoint which was hit. */ RTUINT iBp; } Bp; /** Padding for ensuring that the structure is 8 byte aligned. */ uint64_t au64Padding[4]; } u; } DBGFEVENT; /** Pointer to VMM Debug Event. */ typedef DBGFEVENT *PDBGFEVENT; /** Pointer to const VMM Debug Event. */ typedef const DBGFEVENT *PCDBGFEVENT; /** @def DBGFSTOP * Stops the debugger raising a DBGFEVENT_DEVELOPER_STOP event. * * @returns VBox status code which must be propagated up to EM if not VINF_SUCCESS. * @param pVM VM Handle. */ #ifdef VBOX_STRICT # define DBGFSTOP(pVM) DBGFR3EventSrc(pVM, DBGFEVENT_DEV_STOP, __FILE__, __LINE__, __PRETTY_FUNCTION__, NULL) #else # define DBGFSTOP(pVM) VINF_SUCCESS #endif VMMR3DECL(int) DBGFR3Init(PVM pVM); VMMR3DECL(int) DBGFR3Term(PVM pVM); VMMR3DECL(void) DBGFR3Relocate(PVM pVM, RTGCINTPTR offDelta); VMMR3DECL(int) DBGFR3VMMForcedAction(PVM pVM); VMMR3DECL(int) DBGFR3Event(PVM pVM, DBGFEVENTTYPE enmEvent); VMMR3DECL(int) DBGFR3EventSrc(PVM pVM, DBGFEVENTTYPE enmEvent, const char *pszFile, unsigned uLine, const char *pszFunction, const char *pszFormat, ...); VMMR3DECL(int) DBGFR3EventSrcV(PVM pVM, DBGFEVENTTYPE enmEvent, const char *pszFile, unsigned uLine, const char *pszFunction, const char *pszFormat, va_list args); VMMR3DECL(int) DBGFR3EventAssertion(PVM pVM, DBGFEVENTTYPE enmEvent, const char *pszMsg1, const char *pszMsg2); VMMR3DECL(int) DBGFR3EventBreakpoint(PVM pVM, DBGFEVENTTYPE enmEvent); VMMR3DECL(int) DBGFR3Attach(PVM pVM); VMMR3DECL(int) DBGFR3Detach(PVM pVM); VMMR3DECL(int) DBGFR3EventWait(PVM pVM, unsigned cMillies, PCDBGFEVENT *ppEvent); VMMR3DECL(int) DBGFR3Halt(PVM pVM); VMMR3DECL(bool) DBGFR3IsHalted(PVM pVM); VMMR3DECL(bool) DBGFR3CanWait(PVM pVM); VMMR3DECL(int) DBGFR3Resume(PVM pVM); VMMR3DECL(int) DBGFR3Step(PVM pVM); VMMR3DECL(int) DBGFR3PrgStep(PVM pVM); /** Breakpoint type. */ typedef enum DBGFBPTYPE { /** Free breakpoint entry. */ DBGFBPTYPE_FREE = 0, /** Debug register. */ DBGFBPTYPE_REG, /** INT 3 instruction. */ DBGFBPTYPE_INT3, /** Recompiler. */ DBGFBPTYPE_REM, /** ensure 32-bit size. */ DBGFBPTYPE_32BIT_HACK = 0x7fffffff } DBGFBPTYPE; /** * A Breakpoint. */ typedef struct DBGFBP { /** The number of breakpoint hits. */ uint64_t cHits; /** The hit number which starts to trigger the breakpoint. */ uint64_t iHitTrigger; /** The hit number which stops triggering the breakpoint (disables it). * Use ~(uint64_t)0 if it should never stop. */ uint64_t iHitDisable; /** The Flat GC address of the breakpoint. * (PC register value if REM type?) */ RTGCUINTPTR GCPtr; /** The breakpoint id. */ RTUINT iBp; /** The breakpoint status - enabled or disabled. */ bool fEnabled; /** The breakpoint type. */ DBGFBPTYPE enmType; #if GC_ARCH_BITS == 64 uint32_t u32Padding; #endif /** Union of type specific data. */ union { /** Debug register data. */ struct DBGFBPREG { /** The debug register number. */ uint8_t iReg; /** The access type (one of the X86_DR7_RW_* value). */ uint8_t fType; /** The access size. */ uint8_t cb; } Reg; /** Recompiler breakpoint data. */ struct DBGFBPINT3 { /** The byte value we replaced by the INT 3 instruction. */ uint8_t bOrg; } Int3; /** Recompiler breakpoint data. */ struct DBGFBPREM { /** nothing yet */ uint8_t fDummy; } Rem; /** Paddind to ensure that the size is identical on win32 and linux. */ uint64_t u64Padding; } u; } DBGFBP; /** Pointer to a breakpoint. */ typedef DBGFBP *PDBGFBP; /** Pointer to a const breakpoint. */ typedef const DBGFBP *PCDBGFBP; VMMR3DECL(int) DBGFR3BpSet(PVM pVM, PCDBGFADDRESS pAddress, uint64_t iHitTrigger, uint64_t iHitDisable, PRTUINT piBp); VMMR3DECL(int) DBGFR3BpSetReg(PVM pVM, PCDBGFADDRESS pAddress, uint64_t iHitTrigger, uint64_t iHitDisable, uint8_t fType, uint8_t cb, PRTUINT piBp); VMMR3DECL(int) DBGFR3BpSetREM(PVM pVM, PCDBGFADDRESS pAddress, uint64_t iHitTrigger, uint64_t iHitDisable, PRTUINT piBp); VMMR3DECL(int) DBGFR3BpClear(PVM pVM, RTUINT iBp); VMMR3DECL(int) DBGFR3BpEnable(PVM pVM, RTUINT iBp); VMMR3DECL(int) DBGFR3BpDisable(PVM pVM, RTUINT iBp); /** * Breakpoint enumeration callback function. * * @returns VBox status code. Any failure will stop the enumeration. * @param pVM The VM handle. * @param pvUser The user argument. * @param pBp Pointer to the breakpoint information. (readonly) */ typedef DECLCALLBACK(int) FNDBGFBPENUM(PVM pVM, void *pvUser, PCDBGFBP pBp); /** Pointer to a breakpoint enumeration callback function. */ typedef FNDBGFBPENUM *PFNDBGFBPENUM; VMMR3DECL(int) DBGFR3BpEnum(PVM pVM, PFNDBGFBPENUM pfnCallback, void *pvUser); VMMDECL(RTGCUINTREG) DBGFBpGetDR7(PVM pVM); VMMDECL(RTGCUINTREG) DBGFBpGetDR0(PVM pVM); VMMDECL(RTGCUINTREG) DBGFBpGetDR1(PVM pVM); VMMDECL(RTGCUINTREG) DBGFBpGetDR2(PVM pVM); VMMDECL(RTGCUINTREG) DBGFBpGetDR3(PVM pVM); VMMDECL(bool) DBGFIsStepping(PVM pVM); /** Pointer to a info helper callback structure. */ typedef struct DBGFINFOHLP *PDBGFINFOHLP; /** Pointer to a const info helper callback structure. */ typedef const struct DBGFINFOHLP *PCDBGFINFOHLP; /** * Info helper callback structure. */ typedef struct DBGFINFOHLP { /** * Print formatted string. * * @param pHlp Pointer to this structure. * @param pszFormat The format string. * @param ... Arguments. */ DECLCALLBACKMEMBER(void, pfnPrintf)(PCDBGFINFOHLP pHlp, const char *pszFormat, ...); /** * Print formatted string. * * @param pHlp Pointer to this structure. * @param pszFormat The format string. * @param args Argument list. */ DECLCALLBACKMEMBER(void, pfnPrintfV)(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args); } DBGFINFOHLP; /** * Info handler, device version. * * @param pDevIns Device instance which registered the info. * @param pHlp Callback functions for doing output. * @param pszArgs Argument string. Optional and specific to the handler. */ typedef DECLCALLBACK(void) FNDBGFHANDLERDEV(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs); /** Pointer to a FNDBGFHANDLERDEV function. */ typedef FNDBGFHANDLERDEV *PFNDBGFHANDLERDEV; /** * Info handler, driver version. * * @param pDrvIns Driver instance which registered the info. * @param pHlp Callback functions for doing output. * @param pszArgs Argument string. Optional and specific to the handler. */ typedef DECLCALLBACK(void) FNDBGFHANDLERDRV(PPDMDRVINS pDrvIns, PCDBGFINFOHLP pHlp, const char *pszArgs); /** Pointer to a FNDBGFHANDLERDRV function. */ typedef FNDBGFHANDLERDRV *PFNDBGFHANDLERDRV; /** * Info handler, internal version. * * @param pVM The VM handle. * @param pHlp Callback functions for doing output. * @param pszArgs Argument string. Optional and specific to the handler. */ typedef DECLCALLBACK(void) FNDBGFHANDLERINT(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs); /** Pointer to a FNDBGFHANDLERINT function. */ typedef FNDBGFHANDLERINT *PFNDBGFHANDLERINT; /** * Info handler, external version. * * @param pvUser User argument. * @param pHlp Callback functions for doing output. * @param pszArgs Argument string. Optional and specific to the handler. */ typedef DECLCALLBACK(void) FNDBGFHANDLEREXT(void *pvUser, PCDBGFINFOHLP pHlp, const char *pszArgs); /** Pointer to a FNDBGFHANDLEREXT function. */ typedef FNDBGFHANDLEREXT *PFNDBGFHANDLEREXT; /** @name Flags for the info registration functions. * @{ */ /** The handler must run on the EMT. */ #define DBGFINFO_FLAGS_RUN_ON_EMT RT_BIT(0) /** @} */ VMMR3DECL(int) DBGFR3InfoRegisterDevice(PVM pVM, const char *pszName, const char *pszDesc, PFNDBGFHANDLERDEV pfnHandler, PPDMDEVINS pDevIns); VMMR3DECL(int) DBGFR3InfoRegisterDriver(PVM pVM, const char *pszName, const char *pszDesc, PFNDBGFHANDLERDRV pfnHandler, PPDMDRVINS pDrvIns); VMMR3DECL(int) DBGFR3InfoRegisterInternal(PVM pVM, const char *pszName, const char *pszDesc, PFNDBGFHANDLERINT pfnHandler); VMMR3DECL(int) DBGFR3InfoRegisterInternalEx(PVM pVM, const char *pszName, const char *pszDesc, PFNDBGFHANDLERINT pfnHandler, uint32_t fFlags); VMMR3DECL(int) DBGFR3InfoRegisterExternal(PVM pVM, const char *pszName, const char *pszDesc, PFNDBGFHANDLEREXT pfnHandler, void *pvUser); VMMR3DECL(int) DBGFR3InfoDeregisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char *pszName); VMMR3DECL(int) DBGFR3InfoDeregisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName); VMMR3DECL(int) DBGFR3InfoDeregisterInternal(PVM pVM, const char *pszName); VMMR3DECL(int) DBGFR3InfoDeregisterExternal(PVM pVM, const char *pszName); VMMR3DECL(int) DBGFR3Info(PVM pVM, const char *pszName, const char *pszArgs, PCDBGFINFOHLP pHlp); /** @def DBGFR3InfoLog * Display a piece of info writing to the log if enabled. * * @param pVM VM handle. * @param pszName The identifier of the info to display. * @param pszArgs Arguments to the info handler. */ #ifdef LOG_ENABLED #define DBGFR3InfoLog(pVM, pszName, pszArgs) \ do { \ if (LogIsEnabled()) \ DBGFR3Info(pVM, pszName, pszArgs, NULL); \ } while (0) #else #define DBGFR3InfoLog(pVM, pszName, pszArgs) do { } while (0) #endif /** * Enumeration callback for use with DBGFR3InfoEnum. * * @returns VBox status code. * A status code indicating failure will end the enumeration * and DBGFR3InfoEnum will return with that status code. * @param pVM VM handle. * @param pszName Info identifier name. * @param pszDesc The description. */ typedef DECLCALLBACK(int) FNDBGFINFOENUM(PVM pVM, const char *pszName, const char *pszDesc, void *pvUser); /** Pointer to a FNDBGFINFOENUM function. */ typedef FNDBGFINFOENUM *PFNDBGFINFOENUM; VMMR3DECL(int) DBGFR3InfoEnum(PVM pVM, PFNDBGFINFOENUM pfnCallback, void *pvUser); VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogHlp(void); VMMR3DECL(PCDBGFINFOHLP) DBGFR3InfoLogRelHlp(void); VMMR3DECL(int) DBGFR3LogModifyGroups(PVM pVM, const char *pszGroupSettings); VMMR3DECL(int) DBGFR3LogModifyFlags(PVM pVM, const char *pszFlagSettings); VMMR3DECL(int) DBGFR3LogModifyDestinations(PVM pVM, const char *pszDestSettings); /** Max length (including '\\0') of a symbol name. */ #define DBGF_SYMBOL_NAME_LENGTH 512 /** * Debug symbol. */ typedef struct DBGFSYMBOL { /** Symbol value (address). */ RTGCUINTPTR Value; /** Symbol size. */ uint32_t cb; /** Symbol Flags. (reserved). */ uint32_t fFlags; /** Symbol name. */ char szName[DBGF_SYMBOL_NAME_LENGTH]; } DBGFSYMBOL; /** Pointer to debug symbol. */ typedef DBGFSYMBOL *PDBGFSYMBOL; /** Pointer to const debug symbol. */ typedef const DBGFSYMBOL *PCDBGFSYMBOL; /** * Debug line number information. */ typedef struct DBGFLINE { /** Address. */ RTGCUINTPTR Address; /** Line number. */ uint32_t uLineNo; /** Filename. */ char szFilename[260]; } DBGFLINE; /** Pointer to debug line number. */ typedef DBGFLINE *PDBGFLINE; /** Pointer to const debug line number. */ typedef const DBGFLINE *PCDBGFLINE; VMMR3DECL(int) DBGFR3ModuleLoad(PVM pVM, const char *pszFilename, RTGCUINTPTR AddressDelta, const char *pszName, RTGCUINTPTR ModuleAddress, unsigned cbImage); VMMR3DECL(void) DBGFR3ModuleRelocate(PVM pVM, RTGCUINTPTR OldImageBase, RTGCUINTPTR NewImageBase, unsigned cbImage, const char *pszFilename, const char *pszName); VMMR3DECL(int) DBGFR3SymbolAdd(PVM pVM, RTGCUINTPTR ModuleAddress, RTGCUINTPTR SymbolAddress, RTUINT cbSymbol, const char *pszSymbol); VMMR3DECL(int) DBGFR3SymbolByAddr(PVM pVM, RTGCUINTPTR Address, PRTGCINTPTR poffDisplacement, PDBGFSYMBOL pSymbol); VMMR3DECL(int) DBGFR3SymbolByName(PVM pVM, const char *pszSymbol, PDBGFSYMBOL pSymbol); VMMR3DECL(PDBGFSYMBOL) DBGFR3SymbolByAddrAlloc(PVM pVM, RTGCUINTPTR Address, PRTGCINTPTR poffDisplacement); VMMR3DECL(PDBGFSYMBOL) DBGFR3SymbolByNameAlloc(PVM pVM, const char *pszSymbol); VMMR3DECL(void) DBGFR3SymbolFree(PDBGFSYMBOL pSymbol); VMMR3DECL(int) DBGFR3LineByAddr(PVM pVM, RTGCUINTPTR Address, PRTGCINTPTR poffDisplacement, PDBGFLINE pLine); VMMR3DECL(PDBGFLINE) DBGFR3LineByAddrAlloc(PVM pVM, RTGCUINTPTR Address, PRTGCINTPTR poffDisplacement); VMMR3DECL(void) DBGFR3LineFree(PDBGFLINE pLine); /** * Return type. */ typedef enum DBGFRETRUNTYPE { /** The usual invalid 0 value. */ DBGFRETURNTYPE_INVALID = 0, /** Near 16-bit return. */ DBGFRETURNTYPE_NEAR16, /** Near 32-bit return. */ DBGFRETURNTYPE_NEAR32, /** Near 64-bit return. */ DBGFRETURNTYPE_NEAR64, /** Far 16:16 return. */ DBGFRETURNTYPE_FAR16, /** Far 16:32 return. */ DBGFRETURNTYPE_FAR32, /** Far 16:64 return. */ DBGFRETURNTYPE_FAR64, /** 16-bit iret return (e.g. real or 286 protect mode). */ DBGFRETURNTYPE_IRET16, /** 32-bit iret return. */ DBGFRETURNTYPE_IRET32, /** 32-bit iret return. */ DBGFRETURNTYPE_IRET32_PRIV, /** 32-bit iret return to V86 mode. */ DBGFRETURNTYPE_IRET32_V86, /** @todo 64-bit iret return. */ DBGFRETURNTYPE_IRET64, /** The usual 32-bit blowup. */ DBGFRETURNTYPE_32BIT_HACK = 0x7fffffff } DBGFRETURNTYPE; /** * Figures the size of the return state on the stack. * * @returns number of bytes. 0 if invalid parameter. * @param enmRetType The type of return. */ DECLINLINE(unsigned) DBGFReturnTypeSize(DBGFRETURNTYPE enmRetType) { switch (enmRetType) { case DBGFRETURNTYPE_NEAR16: return 2; case DBGFRETURNTYPE_NEAR32: return 4; case DBGFRETURNTYPE_NEAR64: return 8; case DBGFRETURNTYPE_FAR16: return 4; case DBGFRETURNTYPE_FAR32: return 4; case DBGFRETURNTYPE_FAR64: return 8; case DBGFRETURNTYPE_IRET16: return 6; case DBGFRETURNTYPE_IRET32: return 4*3; case DBGFRETURNTYPE_IRET32_PRIV: return 4*5; case DBGFRETURNTYPE_IRET32_V86: return 4*9; case DBGFRETURNTYPE_IRET64: default: return 0; } } /** Pointer to stack frame info. */ typedef struct DBGFSTACKFRAME *PDBGFSTACKFRAME; /** * Info about a stack frame. */ typedef struct DBGFSTACKFRAME { /** Frame number. */ RTUINT iFrame; /** Frame flags. */ RTUINT fFlags; /** The frame address. * The off member is [e|r]bp and the Sel member is ss. */ DBGFADDRESS AddrFrame; /** The stack address of the frame. * The off member is [e|r]sp and the Sel member is ss. */ DBGFADDRESS AddrStack; /** The program counter (PC) address of the frame. * The off member is [e|r]ip and the Sel member is cs. */ DBGFADDRESS AddrPC; /** Pointer to the symbol nearest the program counter (PC). NULL if not found. */ PDBGFSYMBOL pSymPC; /** Pointer to the linnumber nearest the program counter (PC). NULL if not found. */ PDBGFLINE pLinePC; /** The return frame address. * The off member is [e|r]bp and the Sel member is ss. */ DBGFADDRESS AddrReturnFrame; /** The return stack address. * The off member is [e|r]sp and the Sel member is ss. */ DBGFADDRESS AddrReturnStack; /** The way this frame returns to the next one. */ DBGFRETURNTYPE enmReturnType; /** The program counter (PC) address which the frame returns to. * The off member is [e|r]ip and the Sel member is cs. */ DBGFADDRESS AddrReturnPC; /** Pointer to the symbol nearest the return PC. NULL if not found. */ PDBGFSYMBOL pSymReturnPC; /** Pointer to the linnumber nearest the return PC. NULL if not found. */ PDBGFLINE pLineReturnPC; /** 32-bytes of stack arguments. */ union { /** 64-bit view */ uint64_t au64[4]; /** 32-bit view */ uint32_t au32[8]; /** 16-bit view */ uint16_t au16[16]; /** 8-bit view */ uint8_t au8[32]; } Args; /** Pointer to the next frame. * Might not be used in some cases, so consider it internal. */ PDBGFSTACKFRAME pNext; /** Pointer to the first frame. * Might not be used in some cases, so consider it internal. */ PDBGFSTACKFRAME pFirst; } DBGFSTACKFRAME; /** @name DBGFSTACKFRAME Flags. * @{ */ /** Set if the content of the frame is filled in by DBGFR3StackWalk() and can be used * to construct the next frame. */ #define DBGFSTACKFRAME_FLAGS_ALL_VALID RT_BIT(0) /** This is the last stack frame we can read. * This flag is not set if the walk stop because of max dept or recursion. */ #define DBGFSTACKFRAME_FLAGS_LAST RT_BIT(1) /** This is the last record because we detected a loop. */ #define DBGFSTACKFRAME_FLAGS_LOOP RT_BIT(2) /** This is the last record because we reached the maximum depth. */ #define DBGFSTACKFRAME_FLAGS_MAX_DEPTH RT_BIT(3) /** @} */ VMMR3DECL(int) DBGFR3StackWalkBeginGuest(PVM pVM, PDBGFSTACKFRAME pFrame); VMMR3DECL(int) DBGFR3StackWalkBeginHyper(PVM pVM, PDBGFSTACKFRAME pFrame); VMMR3DECL(int) DBGFR3StackWalkNext(PVM pVM, PDBGFSTACKFRAME pFrame); VMMR3DECL(void) DBGFR3StackWalkEnd(PVM pVM, PDBGFSTACKFRAME pFrame); /** Flags to pass to DBGFR3DisasInstrEx(). * @{ */ /** Disassemble the current guest instruction, with annotations. */ #define DBGF_DISAS_FLAGS_CURRENT_GUEST RT_BIT(0) /** Disassemble the current hypervisor instruction, with annotations. */ #define DBGF_DISAS_FLAGS_CURRENT_HYPER RT_BIT(1) /** No annotations for current context. */ #define DBGF_DISAS_FLAGS_NO_ANNOTATION RT_BIT(2) /** No symbol lookup. */ #define DBGF_DISAS_FLAGS_NO_SYMBOLS RT_BIT(3) /** No instruction bytes. */ #define DBGF_DISAS_FLAGS_NO_BYTES RT_BIT(4) /** No address in the output. */ #define DBGF_DISAS_FLAGS_NO_ADDRESS RT_BIT(5) /** @} */ /** Special flat selector. */ #define DBGF_SEL_FLAT 1 VMMR3DECL(int) DBGFR3DisasInstrEx(PVM pVM, RTSEL Sel, RTGCPTR GCPtr, unsigned fFlags, char *pszOutput, uint32_t cchOutput, uint32_t *pcbInstr); VMMR3DECL(int) DBGFR3DisasInstr(PVM pVM, RTSEL Sel, RTGCPTR GCPtr, char *pszOutput, uint32_t cbOutput); VMMR3DECL(int) DBGFR3DisasInstrCurrent(PVM pVM, char *pszOutput, uint32_t cbOutput); VMMR3DECL(int) DBGFR3DisasInstrCurrentLogInternal(PVM pVM, const char *pszPrefix); /** @def DBGFR3DisasInstrCurrentLog * Disassembles the current guest context instruction and writes it to the log. * All registers and data will be displayed. Addresses will be attempted resolved to symbols. */ #ifdef LOG_ENABLED # define DBGFR3DisasInstrCurrentLog(pVM, pszPrefix) \ do { \ if (LogIsEnabled()) \ DBGFR3DisasInstrCurrentLogInternal(pVM, pszPrefix); \ } while (0) #else # define DBGFR3DisasInstrCurrentLog(pVM, pszPrefix) do { } while (0) #endif VMMR3DECL(int) DBGFR3DisasInstrLogInternal(PVM pVM, RTSEL Sel, RTGCPTR GCPtr); /** @def DBGFR3DisasInstrLog * Disassembles the specified guest context instruction and writes it to the log. * Addresses will be attempted resolved to symbols. */ #ifdef LOG_ENABLED # define DBGFR3DisasInstrLog(pVM, Sel, GCPtr) \ do { \ if (LogIsEnabled()) \ DBGFR3DisasInstrLogInternal(pVM, Sel, GCPtr); \ } while (0) #else # define DBGFR3DisasInstrLog(pVM, Sel, GCPtr) do { } while (0) #endif VMMR3DECL(int) DBGFR3MemScan(PVM pVM, PCDBGFADDRESS pAddress, RTGCUINTPTR cbRange, const uint8_t *pabNeedle, size_t cbNeedle, PDBGFADDRESS pHitAddress); VMMR3DECL(int) DBGFR3MemRead(PVM pVM, PCDBGFADDRESS pAddress, void *pvBuf, size_t cbRead); VMMR3DECL(int) DBGFR3MemReadString(PVM pVM, PCDBGFADDRESS pAddress, char *pszBuf, size_t cbBuf); /** * Guest OS digger interface identifier. * * This is for use together with PDBGFR3QueryInterface and is used to * obtain access to optional interfaces. */ typedef enum DBGFOSINTERFACE { /** The usual invalid entry. */ DBGFOSINTERFACE_INVALID = 0, /** Process info. */ DBGFOSINTERFACE_PROCESS, /** Thread info. */ DBGFOSINTERFACE_THREAD, /** The end of the valid entries. */ DBGFOSINTERFACE_END, /** The usual 32-bit type blowup. */ DBGFOSINTERFACE_32BIT_HACK = 0x7fffffff } DBGFOSINTERFACE; /** Pointer to a Guest OS digger interface identifier. */ typedef DBGFOSINTERFACE *PDBGFOSINTERFACE; /** Pointer to a const Guest OS digger interface identifier. */ typedef DBGFOSINTERFACE const *PCDBGFOSINTERFACE; /** * Guest OS Digger Registration Record. * * This is used with the DBGFR3OSRegister() API. */ typedef struct DBGFOSREG { /** Magic value (DBGFOSREG_MAGIC). */ uint32_t u32Magic; /** Flags. Reserved. */ uint32_t fFlags; /** The size of the instance data. */ uint32_t cbData; /** Operative System name. */ char szName[24]; /** * Constructs the instance. * * @returns VBox status code. * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. */ DECLCALLBACKMEMBER(int, pfnConstruct)(PVM pVM, void *pvData); /** * Destroys the instance. * * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. */ DECLCALLBACKMEMBER(void, pfnDestruct)(PVM pVM, void *pvData); /** * Probes the guest memory for OS finger prints. * * No setup or so is performed, it will be followed by a call to pfnInit * or pfnRefresh that should take care of that. * * @returns true if is an OS handled by this module, otherwise false. * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. */ DECLCALLBACKMEMBER(bool, pfnProbe)(PVM pVM, void *pvData); /** * Initializes a fresly detected guest, loading symbols and such useful stuff. * * This is called after pfnProbe. * * @returns VBox status code. * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. */ DECLCALLBACKMEMBER(int, pfnInit)(PVM pVM, void *pvData); /** * Refreshes symbols and stuff following a redetection of the same OS. * * This is called after pfnProbe. * * @returns VBox status code. * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. */ DECLCALLBACKMEMBER(int, pfnRefresh)(PVM pVM, void *pvData); /** * Terminates an OS when a new (or none) OS has been detected, * and before destruction. * * This is called after pfnProbe and if needed before pfnDestruct. * * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. */ DECLCALLBACKMEMBER(void, pfnTerm)(PVM pVM, void *pvData); /** * Queries the version of the running OS. * * This is only called after pfnInit(). * * @returns VBox status code. * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. * @param pszVersion Where to store the version string. * @param cchVersion The size of the version string buffer. */ DECLCALLBACKMEMBER(int, pfnQueryVersion)(PVM pVM, void *pvData, char *pszVersion, size_t cchVersion); /** * Queries the pointer to a interface. * * This is called after pfnProbe. * * @returns Pointer to the interface if available, NULL if not available. * @param pVM Pointer to the shared VM structure. * @param pvData Pointer to the instance data. * @param enmIf The interface identifier. */ DECLCALLBACKMEMBER(void *, pfnQueryInterface)(PVM pVM, void *pvData, DBGFOSINTERFACE enmIf); /** Trailing magic (DBGFOSREG_MAGIC). */ uint32_t u32EndMagic; } DBGFOSREG; /** Pointer to a Guest OS digger registration record. */ typedef DBGFOSREG *PDBGFOSREG; /** Pointer to a const Guest OS digger registration record. */ typedef DBGFOSREG const *PCDBGFOSREG; /** Magic value for DBGFOSREG::u32Magic and DBGFOSREG::u32EndMagic. (Hitomi Kanehara) */ #define DBGFOSREG_MAGIC 0x19830808 VMMR3DECL(int) DBGFR3OSRegister(PVM pVM, PCDBGFOSREG pReg); VMMR3DECL(int) DBGFR3OSDeregister(PVM pVM, PCDBGFOSREG pReg); VMMR3DECL(int) DBGFR3OSDetect(PVM pVM, char *pszName, size_t cchName); VMMR3DECL(int) DBGFR3OSQueryNameAndVersion(PVM pVM, char *pszName, size_t cchName, char *pszVersion, size_t cchVersion); VMMR3DECL(void *) DBGFR3OSQueryInterface(PVM pVM, DBGFOSINTERFACE enmIf); /** @} */ __END_DECLS #endif