Added function for generate LoadSymbolsStateChange packet.

Signed-off-by: Mihail Abakumov <mikhail.abakumov@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <dovgaluk@ispras.ru>
Signed-off-by: Dmitriy Koltunov <koltunov@ispras.ru>
---
 include/exec/windbgstub-utils.h |    1 +
 target/i386/windbgstub.c        |   15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index fea04cbc89..1c43be7c41 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -94,6 +94,7 @@ InitedAddr *windbg_get_KPCR(void);
 InitedAddr *windbg_get_version(void);
 
 SizedBuf kd_gen_exception_sc(CPUState *cpu);
+SizedBuf kd_gen_load_symbols_sc(CPUState *cpu);
 
 bool windbg_on_load(void);
 
diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c
index 334642b677..314301545b 100755
--- a/target/i386/windbgstub.c
+++ b/target/i386/windbgstub.c
@@ -130,3 +130,18 @@ SizedBuf kd_gen_exception_sc(CPUState *cpu)
 
     return buf;
 }
+
+SizedBuf kd_gen_load_symbols_sc(CPUState *cpu)
+{
+    DBGKD_ANY_WAIT_STATE_CHANGE *sc;
+    SizedBuf buf;
+
+    SBUF_MALLOC(buf, sizeof(DBGKD_ANY_WAIT_STATE_CHANGE));
+    sc = (DBGKD_ANY_WAIT_STATE_CHANGE *) buf.data;
+    kd_init_state_change(cpu, sc);
+
+    stl_p(&sc->NewState, DbgKdLoadSymbolsStateChange);
+    stl_p(&sc->u.LoadSymbols.PathNameLength, 0);
+
+    return buf;
+}