Added function for generate ExceptionStateChange packet.
Signed-off-by: Mihail Abakumov <[email protected]>
Signed-off-by: Pavel Dovgalyuk <[email protected]>
Signed-off-by: Dmitriy Koltunov <[email protected]>
---
include/exec/windbgstub-utils.h | 3 +++
windbgstub-utils.c | 21 ++++++++++++++++++++-
2 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index 791721d472..0b859cd6a8 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -101,6 +101,9 @@ typedef struct SizedBuf {
buf.data = NULL; \
buf.size = 0; \
} while (false)
+
+SizedBuf kd_gen_exception_sc(CPUState *cpu);
+
bool windbg_on_load(void);
void windbg_on_exit(void);
diff --git a/windbgstub-utils.c b/windbgstub-utils.c
index 60f6705f7c..48d09ff424 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -34,7 +34,6 @@ static void kd_breakpoint_remove_range(CPUState *cpu,
target_ulong base,
target_ulong limit)
{}
-__attribute__ ((unused)) /* unused yet */
static void kd_init_state_change(CPUState *cpu,
DBGKD_ANY_WAIT_STATE_CHANGE *sc)
{
@@ -83,6 +82,26 @@ static void kd_init_state_change(CPUState *cpu,
}
}
+SizedBuf kd_gen_exception_sc(CPUState *cpu)
+{
+ CPUArchState *env = cpu->env_ptr;
+ SizedBuf buf;
+ SBUF_MALLOC(buf, sizeof(DBGKD_ANY_WAIT_STATE_CHANGE) + sizeof(int));
+
+ DBGKD_ANY_WAIT_STATE_CHANGE *sc = (DBGKD_ANY_WAIT_STATE_CHANGE *) buf.data;
+ kd_init_state_change(cpu, sc);
+
+ sc->NewState = DbgKdExceptionStateChange;
+ sc->NewState = ldl_p(&sc->NewState);
+
+ DBGKM_EXCEPTION_RECORD64 *exc = &sc->u.Exception.ExceptionRecord;
+ exc->ExceptionCode = 0x80000003;
+ exc->ExceptionCode = ldl_p(&exc->ExceptionCode);
+ exc->ExceptionAddress = ldtul_p(&env->eip);
+
+ return buf;
+}
+
bool windbg_on_load(void)
{
CPUState *cpu = qemu_get_cpu(0);
