bsd-user: Add trace events for bsd-user

Add the bsd-user specific events and infrastructure. Only include the
linux-user trace events for linux-user, not bsd-user.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@freebsd.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

bsd-user/signal.c

@@ -21,6 +21,7 @@
 #include "qemu/osdep.h"
 #include "qemu.h"
 #include "signal-common.h"
+#include "trace.h"
 #include "hw/core/tcg-cpu-ops.h"
 #include "host-signal.h"
 

bsd-user/trace-events

@@ -0,0 +1,11 @@
+# See docs/tracing.txt for syntax documentation.
+
+# bsd-user/signal.c
+user_setup_frame(void *env, uint64_t frame_addr) "env=%p frame_addr=0x%"PRIx64
+user_setup_rt_frame(void *env, uint64_t frame_addr) "env=%p frame_addr=0x%"PRIx64
+user_do_rt_sigreturn(void *env, uint64_t frame_addr) "env=%p frame_addr=0x%"PRIx64
+user_do_sigreturn(void *env, uint64_t frame_addr) "env=%p frame_addr=0x%"PRIx64
+user_dump_core_and_abort(void *env, int target_sig, int host_sig) "env=%p signal %d (host %d)"
+user_handle_signal(void *env, int target_sig) "env=%p signal %d"
+user_host_signal(void *env, int host_sig, int target_sig) "env=%p signal %d (target %d("
+user_queue_signal(void *env, int target_sig) "env=%p signal %d"

bsd-user/trace.h

@@ -0,0 +1 @@
+#include "trace/trace-bsd_user.h"

meson.build

@@ -2458,9 +2458,12 @@ trace_events_subdirs = [
   'monitor',
   'util',
 ]
-if have_user
+if have_linux_user
   trace_events_subdirs += [ 'linux-user' ]
 endif
+if have_bsd_user
+  trace_events_subdirs += [ 'bsd-user' ]
+endif
 if have_block
   trace_events_subdirs += [
     'authz',