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[Qemu-devel] [PATCH v3 34/39] windbg: implement kd_api_get_version
From: |
Mikhail Abakumov |
Subject: |
[Qemu-devel] [PATCH v3 34/39] windbg: implement kd_api_get_version |
Date: |
Thu, 06 Dec 2018 15:01:49 +0300 |
User-agent: |
StGit/0.17.1-dirty |
Signed-off-by: Mikhail Abakumov <address@hidden>
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
include/exec/windbgstub-utils.h | 1 +
target/i386/windbgstub.c | 61 +++++++++++++++++++++++++++++++++++++++
windbgstub.c | 4 +++
3 files changed, 66 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index fa67a7048d..adfc9936f3 100644
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -80,6 +80,7 @@ void kd_api_read_io_space(CPUState *cs, PacketData *pd);
void kd_api_write_io_space(CPUState *cs, PacketData *pd);
void kd_api_read_physical_memory(CPUState *cs, PacketData *pd);
void kd_api_write_physical_memory(CPUState *cs, PacketData *pd);
+void kd_api_get_version(CPUState *cs, PacketData *pd);
void kd_api_clear_all_internal_breakpoints(CPUState *cs, PacketData *pd);
void kd_api_get_context_ex(CPUState *cs, PacketData *pd);
void kd_api_set_context_ex(CPUState *cs, PacketData *pd);
diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c
index 6d2e7de746..9e84027f19 100644
--- a/target/i386/windbgstub.c
+++ b/target/i386/windbgstub.c
@@ -15,6 +15,9 @@
#ifdef TARGET_X86_64
#define OFFSET_KPCR_SELF 0x18
#define OFFSET_KPCR_LOCK_ARRAY 0x28
+#define OFFSET_KDBG_LIST 0x0
+#define OFFSET_KDBG_KERNBASE 0x18
+#define OFFSET_KDBG_MODULELIST 0x48
#define OFFSET_KPRCB 0x20
#define OFFSET_KPRCB_CURRTHREAD 0x8
#else /* TARGET_I386 */
@@ -1080,6 +1083,64 @@ void kd_api_set_context_ex(CPUState *cs, PacketData *pd)
stl_p(&ctx->BytesCopied, len);
}
+void kd_api_get_version(CPUState *cs, PacketData *pd)
+{
+ DBGKD_GET_VERSION64 *kdver = (DBGKD_GET_VERSION64 *) (PTR(pd->m64) + 0x10);
+#ifdef TARGET_X86_64
+ target_ulong kdbg = kdDebuggerDataBlock.addr;
+ target_ulong dDataList = VMEM_ADDR(cs, kdbg + OFFSET_KDBG_LIST);
+ target_ulong kernbase = VMEM_ADDR(cs, kdbg + OFFSET_KDBG_KERNBASE);
+ target_ulong modules = VMEM_ADDR(cs, kdbg + OFFSET_KDBG_MODULELIST);
+
+ /* TODO: Fix this hardcoded value.
+ * Receives 0xF if the target's operating system is a free build,
+ * and 0xC if it is a checked build.
+ */
+ stw_p(&kdver->MajorVersion, 0xF);
+ /* TODO: Fix this hardcoded value. Needs NtBuildNumber. How to get it? */
+ stw_p(&kdver->MinorVersion, 0x1db1);
+ stb_p(&kdver->ProtocolVersion, DBGKD_64BIT_PROTOCOL_VERSION2);
+ /* TODO: Fix this hardcoded value. */
+ stb_p(&kdver->KdSecondaryVersion, 0);
+ stw_p(&kdver->Flags,
+ DBGKD_VERS_FLAG_MP | DBGKD_VERS_FLAG_DATA | DBGKD_VERS_FLAG_PTR64);
+ stw_p(&kdver->MachineType, IMAGE_FILE_MACHINE_AMD64);
+ stb_p(&kdver->MaxPacketType, PACKET_TYPE_MAX);
+ stb_p(&kdver->MaxStateChange,
+ DbgKdMaximumStateChange - DbgKdMinimumStateChange);
+ stb_p(&kdver->MaxManipulate,
+ DbgKdMaximumManipulate - DbgKdMinimumManipulate);
+ /* FIXME: Maybe DBGKD_SIMULATION_EXDI? */
+ stb_p(&kdver->Simulation, DBGKD_SIMULATION_NONE);
+ stw_p(&kdver->Unused[0], 0);
+ sttul_p(&kdver->KernBase, kernbase);
+ sttul_p(&kdver->PsLoadedModuleList, modules);
+ sttul_p(&kdver->DebuggerDataList, dDataList);
+#else /* TARGET_I386 */
+ int err = cpu_memory_rw_debug(cs, kdVersion.addr, (uint8_t *) kdver,
+ sizeof(DBGKD_MANIPULATE_STATE64) - 0x10, 0);
+ if (!err) {
+ stw_p(&kdver->MajorVersion, kdver->MajorVersion);
+ stw_p(&kdver->MinorVersion, kdver->MinorVersion);
+ stb_p(&kdver->ProtocolVersion, kdver->ProtocolVersion);
+ stb_p(&kdver->KdSecondaryVersion, kdver->KdSecondaryVersion);
+ stw_p(&kdver->Flags, kdver->Flags);
+ stw_p(&kdver->MachineType, kdver->MachineType);
+ stb_p(&kdver->MaxPacketType, kdver->MaxPacketType);
+ stb_p(&kdver->MaxStateChange, kdver->MaxStateChange);
+ stb_p(&kdver->MaxManipulate, kdver->MaxManipulate);
+ stb_p(&kdver->Simulation, kdver->Simulation);
+ stw_p(&kdver->Unused[0], kdver->Unused[0]);
+ sttul_p(&kdver->KernBase, kdver->KernBase);
+ sttul_p(&kdver->PsLoadedModuleList, kdver->PsLoadedModuleList);
+ sttul_p(&kdver->DebuggerDataList, kdver->DebuggerDataList);
+ } else {
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ WINDBG_ERROR("get_version: " FMT_ERR, err);
+ }
+#endif /* TARGET_I386 */
+}
+
static bool find_KPCR(CPUState *cs)
{
X86CPU *cpu = X86_CPU(cs);
diff --git a/windbgstub.c b/windbgstub.c
index 25331f218f..366856bc81 100644
--- a/windbgstub.c
+++ b/windbgstub.c
@@ -212,6 +212,10 @@ static void windbg_process_manipulate_packet(WindbgState
*state)
kd_api_write_physical_memory(cs, data);
break;
+ case DbgKdGetVersionApi:
+ kd_api_get_version(cs, data);
+ break;
+
case DbgKdClearAllInternalBreakpointsApi:
kd_api_clear_all_internal_breakpoints(cs, data);
return;
- [Qemu-devel] [PATCH v3 25/39] windbg: [de]serialization cpu spec registers, (continued)
- [Qemu-devel] [PATCH v3 25/39] windbg: [de]serialization cpu spec registers, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 26/39] windbg: implement kd_api_get_context and kd_api_set_context, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 27/39] windbg: implement kd_api_get_context_ex and kd_api_set_context_ex, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 28/39] windbg: implement kd_api_read_control_space and kd_api_write_control_space, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 30/39] windbg: debug exception subscribing, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 29/39] windbg: implement kd_api_write_breakpoint and kd_api_restore_breakpoint, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 31/39] windbg: implement kd_api_continue, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 32/39] windbg: implement kd_api_read_io_space and kd_api_write_io_space, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 33/39] windbg: implement kd_api_read_physical_memory and kd_api_write_physical_memory, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 35/39] windbg: implement kd_api_read_msr and kd_api_write_msr, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 34/39] windbg: implement kd_api_get_version,
Mikhail Abakumov <=
- [Qemu-devel] [PATCH v3 36/39] windbg: implement kd_api_search_memory, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 37/39] windbg: implement kd_api_fill_memory, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 38/39] windbg: implement kd_api_query_memory, Mikhail Abakumov, 2018/12/06
- [Qemu-devel] [PATCH v3 39/39] windbg: maintainers, Mikhail Abakumov, 2018/12/06
- Re: [Qemu-devel] [PATCH v3 00/39] Windbg supporting, no-reply, 2018/12/06