[Qemu-devel] [PATCH v4 20/46] windbg: implemented windbg_process_manipulate_packet

[Mihail Abakumov]

Signed-off-by: Mihail Abakumov <address@hidden>
Signed-off-by: Pavel Dovgalyuk <address@hidden>
Signed-off-by: Dmitriy Koltunov <address@hidden>
---
 include/exec/windbgstub-utils.h |    2 ++
 windbgstub-utils.c              |    8 ++++++++
 windbgstub.c                    |   26 +++++++++++++++++++++++++-
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index a7ec53555b..51977b46c7 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -74,6 +74,8 @@ typedef struct PacketData {
 InitedAddr *windbg_get_KPCR(void);
 InitedAddr *windbg_get_version(void);
 
+void kd_api_unsupported(CPUState *cpu, PacketData *pd);
+
 SizedBuf kd_gen_exception_sc(CPUState *cpu);
 SizedBuf kd_gen_load_symbols_sc(CPUState *cpu);
 
diff --git a/windbgstub-utils.c b/windbgstub-utils.c
index 347c61553a..04a7e1cc7b 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -23,3 +23,11 @@ InitedAddr *windbg_get_version(void)
 {
     return &version;
 }
+
+void kd_api_unsupported(CPUState *cpu, PacketData *pd)
+{
+    WINDBG_ERROR("Caught unimplemented api %s",
+                 KD_API_NAME(pd->m64.ApiNumber));
+    pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+    pd->extra_size = 0;
+}
diff --git a/windbgstub.c b/windbgstub.c
index cd46649278..a798186930 100755
--- a/windbgstub.c
+++ b/windbgstub.c
@@ -126,7 +126,31 @@ static void windbg_vm_stop(void)
 }
 
 static void windbg_process_manipulate_packet(ParsingContext *ctx)
-{}
+{
+    CPUState *cpu;
+
+    ctx->data.extra_size = ctx->packet.ByteCount -
+                           sizeof(DBGKD_MANIPULATE_STATE64);
+    ctx->data.m64.ReturnStatus = STATUS_SUCCESS;
+
+    cpu = qemu_get_cpu(ctx->data.m64.Processor);
+    if (cpu == NULL) {
+        cpu = qemu_get_cpu(0);
+    }
+
+    switch (ctx->data.m64.ApiNumber) {
+
+    default:
+        kd_api_unsupported(cpu, &ctx->data);
+        break;
+    }
+
+    stl_p(&ctx->data.m64.ReturnStatus, ctx->data.m64.ReturnStatus);
+
+    windbg_send_data_packet(ctx->data.buf, ctx->data.extra_size +
+                            sizeof(DBGKD_MANIPULATE_STATE64),
+                            ctx->packet.PacketType);
+}
 
 static void windbg_process_data_packet(ParsingContext *ctx)
 {