qemu/win_dump.h
Viktor Prutyanov 2ad9b50f71 dump: add Windows live system dump
Unlike dying Windows, live system memory doesn't contain
correct register contexts. But they can be populated with QEMU register
values.
After this patch, QEMU will be able to produce guest Windows live system
dump.

Signed-off-by: Viktor Prutyanov <viktor.prutyanov@virtuozzo.com>
Message-Id: <20180517162342.4330-5-viktor.prutyanov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-29 13:02:50 +02:00

177 lines
4.2 KiB
C

/*
* Windows crashdump
*
* Copyright (c) 2018 Virtuozzo International GmbH
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
typedef struct WinDumpPhyMemRun64 {
uint64_t BasePage;
uint64_t PageCount;
} QEMU_PACKED WinDumpPhyMemRun64;
typedef struct WinDumpPhyMemDesc64 {
uint32_t NumberOfRuns;
uint32_t unused;
uint64_t NumberOfPages;
WinDumpPhyMemRun64 Run[43];
} QEMU_PACKED WinDumpPhyMemDesc64;
typedef struct WinDumpExceptionRecord {
uint32_t ExceptionCode;
uint32_t ExceptionFlags;
uint64_t ExceptionRecord;
uint64_t ExceptionAddress;
uint32_t NumberParameters;
uint32_t unused;
uint64_t ExceptionInformation[15];
} QEMU_PACKED WinDumpExceptionRecord;
typedef struct WinDumpHeader64 {
char Signature[4];
char ValidDump[4];
uint32_t MajorVersion;
uint32_t MinorVersion;
uint64_t DirectoryTableBase;
uint64_t PfnDatabase;
uint64_t PsLoadedModuleList;
uint64_t PsActiveProcessHead;
uint32_t MachineImageType;
uint32_t NumberProcessors;
union {
struct {
uint32_t BugcheckCode;
uint32_t unused0;
uint64_t BugcheckParameter1;
uint64_t BugcheckParameter2;
uint64_t BugcheckParameter3;
uint64_t BugcheckParameter4;
};
uint8_t BugcheckData[40];
};
uint8_t VersionUser[32];
uint64_t KdDebuggerDataBlock;
union {
WinDumpPhyMemDesc64 PhysicalMemoryBlock;
uint8_t PhysicalMemoryBlockBuffer[704];
};
union {
uint8_t ContextBuffer[3000];
};
WinDumpExceptionRecord Exception;
uint32_t DumpType;
uint32_t unused1;
uint64_t RequiredDumpSpace;
uint64_t SystemTime;
char Comment[128];
uint64_t SystemUpTime;
uint32_t MiniDumpFields;
uint32_t SecondaryDataState;
uint32_t ProductType;
uint32_t SuiteMask;
uint32_t WriterStatus;
uint8_t unused2;
uint8_t KdSecondaryVersion;
uint8_t reserved[4018];
} QEMU_PACKED WinDumpHeader64;
void create_win_dump(DumpState *s, Error **errp);
#define KDBG_OWNER_TAG_OFFSET64 0x10
#define KDBG_MM_PFN_DATABASE_OFFSET64 0xC0
#define KDBG_KI_BUGCHECK_DATA_OFFSET64 0x88
#define KDBG_KI_PROCESSOR_BLOCK_OFFSET64 0x218
#define KDBG_OFFSET_PRCB_CONTEXT_OFFSET64 0x338
#define VMCOREINFO_ELF_NOTE_HDR_SIZE 24
#define WIN_CTX_X64 0x00100000L
#define WIN_CTX_CTL 0x00000001L
#define WIN_CTX_INT 0x00000002L
#define WIN_CTX_SEG 0x00000004L
#define WIN_CTX_FP 0x00000008L
#define WIN_CTX_DBG 0x00000010L
#define WIN_CTX_FULL (WIN_CTX_X64 | WIN_CTX_CTL | WIN_CTX_INT | WIN_CTX_FP)
#define WIN_CTX_ALL (WIN_CTX_FULL | WIN_CTX_SEG | WIN_CTX_DBG)
#define LIVE_SYSTEM_DUMP 0x00000161
typedef struct WinM128A {
uint64_t low;
int64_t high;
} QEMU_ALIGNED(16) WinM128A;
typedef struct WinContext {
uint64_t PHome[6];
uint32_t ContextFlags;
uint32_t MxCsr;
uint16_t SegCs;
uint16_t SegDs;
uint16_t SegEs;
uint16_t SegFs;
uint16_t SegGs;
uint16_t SegSs;
uint32_t EFlags;
uint64_t Dr0;
uint64_t Dr1;
uint64_t Dr2;
uint64_t Dr3;
uint64_t Dr6;
uint64_t Dr7;
uint64_t Rax;
uint64_t Rcx;
uint64_t Rdx;
uint64_t Rbx;
uint64_t Rsp;
uint64_t Rbp;
uint64_t Rsi;
uint64_t Rdi;
uint64_t R8;
uint64_t R9;
uint64_t R10;
uint64_t R11;
uint64_t R12;
uint64_t R13;
uint64_t R14;
uint64_t R15;
uint64_t Rip;
struct {
uint16_t ControlWord;
uint16_t StatusWord;
uint8_t TagWord;
uint8_t Reserved1;
uint16_t ErrorOpcode;
uint32_t ErrorOffset;
uint16_t ErrorSelector;
uint16_t Reserved2;
uint32_t DataOffset;
uint16_t DataSelector;
uint16_t Reserved3;
uint32_t MxCsr;
uint32_t MxCsr_Mask;
WinM128A FloatRegisters[8];
WinM128A XmmRegisters[16];
uint8_t Reserved4[96];
} FltSave;
WinM128A VectorRegister[26];
uint64_t VectorControl;
uint64_t DebugControl;
uint64_t LastBranchToRip;
uint64_t LastBranchFromRip;
uint64_t LastExceptionToRip;
uint64_t LastExceptionFromRip;
} QEMU_ALIGNED(16) WinContext;