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([2a00:1370:8174:b458:9ba9:b90b:f25a:ca4d]) by smtp.gmail.com with ESMTPSA id s19sm2265123lfi.263.2021.12.29.09.53.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Dec 2021 09:53:05 -0800 (PST) From: Viktor Prutyanov To: marcandre.lureau@redhat.com, dgilbert@redhat.com, yuri.benditovich@daynix.com, yan@daynix.com, qemu-devel@nongnu.org Subject: [PATCH 1/2] include/qemu: add 32-bit Windows dump structures Date: Wed, 29 Dec 2021 20:52:54 +0300 Message-Id: <20211229175255.133073-2-viktor.prutyanov@phystech.edu> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211229175255.133073-1-viktor.prutyanov@phystech.edu> References: <20211229175255.133073-1-viktor.prutyanov@phystech.edu> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::22c (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::22c; envelope-from=viktor.prutyanov@phystech.edu; helo=mail-lj1-x22c.google.com X-Spam_score_int: 8 X-Spam_score: 0.8 X-Spam_bar: / X-Spam_report: (0.8 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Viktor Prutyanov Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" These structures are required to produce 32-bit guest Windows Complete Memory Dump. Add 32-bit Windows dump header, CPU context and physical memory descriptor structures along with corresponding definitions. Signed-off-by: Viktor Prutyanov --- contrib/elf2dmp/main.c | 6 +- include/qemu/win_dump_defs.h | 115 +++++++++++++++++++++++++++++++++-- 2 files changed, 114 insertions(+), 7 deletions(-) diff --git a/contrib/elf2dmp/main.c b/contrib/elf2dmp/main.c index 20b477d582..b9fc6d230c 100644 --- a/contrib/elf2dmp/main.c +++ b/contrib/elf2dmp/main.c @@ -141,10 +141,10 @@ static KDDEBUGGER_DATA64 *get_kdbg(uint64_t KernBase, struct pdb_reader *pdb, return kdbg; } -static void win_context_init_from_qemu_cpu_state(WinContext *ctx, +static void win_context_init_from_qemu_cpu_state(WinContext64 *ctx, QEMUCPUState *s) { - WinContext win_ctx = (WinContext){ + WinContext64 win_ctx = (WinContext64){ .ContextFlags = WIN_CTX_X64 | WIN_CTX_INT | WIN_CTX_SEG | WIN_CTX_CTL, .MxCsr = INITIAL_MXCSR, @@ -302,7 +302,7 @@ static int fill_context(KDDEBUGGER_DATA64 *kdbg, for (i = 0; i < qe->state_nr; i++) { uint64_t Prcb; uint64_t Context; - WinContext ctx; + WinContext64 ctx; QEMUCPUState *s = qe->state[i]; if (va_space_rw(vs, kdbg->KiProcessorBlock + sizeof(Prcb) * i, diff --git a/include/qemu/win_dump_defs.h b/include/qemu/win_dump_defs.h index 145096e8ee..af85f5c3cf 100644 --- a/include/qemu/win_dump_defs.h +++ b/include/qemu/win_dump_defs.h @@ -11,11 +11,22 @@ #ifndef QEMU_WIN_DUMP_DEFS_H #define QEMU_WIN_DUMP_DEFS_H +typedef struct WinDumpPhyMemRun32 { + uint32_t BasePage; + uint32_t PageCount; +} QEMU_PACKED WinDumpPhyMemRun32; + typedef struct WinDumpPhyMemRun64 { uint64_t BasePage; uint64_t PageCount; } QEMU_PACKED WinDumpPhyMemRun64; +typedef struct WinDumpPhyMemDesc32 { + uint32_t NumberOfRuns; + uint32_t NumberOfPages; + WinDumpPhyMemRun32 Run[86]; +} QEMU_PACKED WinDumpPhyMemDesc32; + typedef struct WinDumpPhyMemDesc64 { uint32_t NumberOfRuns; uint32_t unused; @@ -33,6 +44,39 @@ typedef struct WinDumpExceptionRecord { uint64_t ExceptionInformation[15]; } QEMU_PACKED WinDumpExceptionRecord; +typedef struct WinDumpHeader32 { + char Signature[4]; + char ValidDump[4]; + uint32_t MajorVersion; + uint32_t MinorVersion; + uint32_t DirectoryTableBase; + uint32_t PfnDatabase; + uint32_t PsLoadedModuleList; + uint32_t PsActiveProcessHead; + uint32_t MachineImageType; + uint32_t NumberProcessors; + union { + struct { + uint32_t BugcheckCode; + uint32_t BugcheckParameter1; + uint32_t BugcheckParameter2; + uint32_t BugcheckParameter3; + uint32_t BugcheckParameter4; + }; + uint8_t BugcheckData[20]; + }; + uint8_t VersionUser[32]; + uint32_t reserved0; + uint32_t KdDebuggerDataBlock; + union { + WinDumpPhyMemDesc32 PhysicalMemoryBlock; + uint8_t PhysicalMemoryBlockBuffer[700]; + }; + uint8_t reserved1[3200]; + uint32_t RequiredDumpSpace; + uint8_t reserved2[92]; +} QEMU_PACKED WinDumpHeader32; + typedef struct WinDumpHeader64 { char Signature[4]; char ValidDump[4]; @@ -81,24 +125,48 @@ typedef struct WinDumpHeader64 { uint8_t reserved[4018]; } QEMU_PACKED WinDumpHeader64; +typedef union WinDumpHeader { + struct { + char Signature[4]; + char ValidDump[4]; + }; + WinDumpHeader32 x32; + WinDumpHeader64 x64; +} WinDumpHeader; + #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 KDBG_OWNER_TAG_OFFSET KDBG_OWNER_TAG_OFFSET64 +#define KDBG_MM_PFN_DATABASE_OFFSET KDBG_MM_PFN_DATABASE_OFFSET64 +#define KDBG_KI_BUGCHECK_DATA_OFFSET KDBG_KI_BUGCHECK_DATA_OFFSET64 +#define KDBG_KI_PROCESSOR_BLOCK_OFFSET KDBG_KI_PROCESSOR_BLOCK_OFFSET64 +#define KDBG_OFFSET_PRCB_CONTEXT_OFFSET KDBG_OFFSET_PRCB_CONTEXT_OFFSET64 + #define VMCOREINFO_ELF_NOTE_HDR_SIZE 24 +#define VMCOREINFO_WIN_DUMP_NOTE_SIZE64 (sizeof(WinDumpHeader64) + \ + VMCOREINFO_ELF_NOTE_HDR_SIZE) +#define VMCOREINFO_WIN_DUMP_NOTE_SIZE32 (sizeof(WinDumpHeader32) + \ + VMCOREINFO_ELF_NOTE_HDR_SIZE) #define WIN_CTX_X64 0x00100000L +#define WIN_CTX_X86 0x00010000L #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_EXT 0x00000020L + +#define WIN_CTX64_FULL (WIN_CTX_X64 | WIN_CTX_CTL | WIN_CTX_INT | WIN_CTX_FP) +#define WIN_CTX64_ALL (WIN_CTX64_FULL | WIN_CTX_SEG | WIN_CTX_DBG) -#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 WIN_CTX32_FULL (WIN_CTX_X86 | WIN_CTX_CTL | WIN_CTX_INT | WIN_CTX_SEG) +#define WIN_CTX32_ALL (WIN_CTX32_FULL | WIN_CTX_FP | WIN_CTX_DBG | WIN_CTX_EXT) #define LIVE_SYSTEM_DUMP 0x00000161 @@ -107,7 +175,41 @@ typedef struct WinM128A { int64_t high; } QEMU_ALIGNED(16) WinM128A; -typedef struct WinContext { +typedef struct WinContext32 { + uint32_t ContextFlags; + + uint32_t Dr0; + uint32_t Dr1; + uint32_t Dr2; + uint32_t Dr3; + uint32_t Dr6; + uint32_t Dr7; + + uint8_t FloatSave[112]; + + uint32_t SegGs; + uint32_t SegFs; + uint32_t SegEs; + uint32_t SegDs; + + uint32_t Edi; + uint32_t Esi; + uint32_t Ebx; + uint32_t Edx; + uint32_t Ecx; + uint32_t Eax; + + uint32_t Ebp; + uint32_t Eip; + uint32_t SegCs; + uint32_t EFlags; + uint32_t Esp; + uint32_t SegSs; + + uint8_t ExtendedRegisters[512]; +} QEMU_ALIGNED(16) WinContext32; + +typedef struct WinContext64 { uint64_t PHome[6]; uint32_t ContextFlags; @@ -174,6 +276,11 @@ typedef struct WinContext { uint64_t LastBranchFromRip; uint64_t LastExceptionToRip; uint64_t LastExceptionFromRip; -} QEMU_ALIGNED(16) WinContext; +} QEMU_ALIGNED(16) WinContext64; + +typedef union WinContext { + WinContext32 x32; + WinContext64 x64; +} WinContext; #endif /* QEMU_WIN_DUMP_DEFS_H */