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-rw-r--r--scripts/gdb/linux/utils.py35
1 files changed, 35 insertions, 0 deletions
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index 71ee48ceb2b2..a4a16403dc56 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -119,3 +119,38 @@ def is_target_arch(arch):
if target_arch is None:
target_arch = gdb.execute("show architecture", to_string=True)
return arch in target_arch
+
+
+GDBSERVER_QEMU = 0
+GDBSERVER_KGDB = 1
+gdbserver_type = None
+
+
+def get_gdbserver_type():
+ def exit_handler(event):
+ global gdbserver_type
+ gdbserver_type = None
+ gdb.events.exited.disconnect(exit_handler)
+
+ def probe_qemu():
+ try:
+ return gdb.execute("monitor info version", to_string=True) != ""
+ except:
+ return False
+
+ def probe_kgdb():
+ try:
+ thread_info = gdb.execute("info thread 2", to_string=True)
+ return "shadowCPU0" in thread_info
+ except:
+ return False
+
+ global gdbserver_type
+ if gdbserver_type is None:
+ if probe_qemu():
+ gdbserver_type = GDBSERVER_QEMU
+ elif probe_kgdb():
+ gdbserver_type = GDBSERVER_KGDB
+ if not gdbserver_type is None and hasattr(gdb, 'events'):
+ gdb.events.exited.connect(exit_handler)
+ return gdbserver_type