trace: move backend-specific code into the trace/ directory

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>

Makefile

@@ -209,6 +209,7 @@ clean:
 	rm -Rf .libs
 	rm -f slirp/*.o slirp/*.d audio/*.o audio/*.d block/*.o block/*.d net/*.o net/*.d fsdev/*.o fsdev/*.d ui/*.o ui/*.d qapi/*.o qapi/*.d qga/*.o qga/*.d
 	rm -f qemu-img-cmds.h
+	rm -f trace/*.o trace/*.d
 	rm -f trace.c trace.h trace.c-timestamp trace.h-timestamp
 	rm -f trace-dtrace.dtrace trace-dtrace.dtrace-timestamp
 	rm -f trace-dtrace.h trace-dtrace.h-timestamp

Makefile.objs

@@ -372,16 +372,18 @@ trace-dtrace.lo: trace-dtrace.dtrace
 	$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, "  lt GEN trace-dtrace.o")
 endif
 
-simpletrace.o: simpletrace.c $(GENERATED_HEADERS)
+trace/simple.o: trace/simple.c $(GENERATED_HEADERS)
 
 trace-obj-$(CONFIG_TRACE_DTRACE) += trace-dtrace.o
 ifneq ($(TRACE_BACKEND),dtrace)
 trace-obj-y = trace.o
 endif
 
-trace-obj-$(CONFIG_TRACE_SIMPLE) += simpletrace.o
+trace-nested-$(CONFIG_TRACE_SIMPLE) += simple.o
 trace-obj-$(CONFIG_TRACE_SIMPLE) += qemu-timer-common.o
 
+trace-obj-y += $(addprefix trace/, $(trace-nested-y))
+
 ######################################################################
 # smartcard
 

scripts/tracetool

@@ -158,7 +158,7 @@ linetoc_end_nop()
 linetoh_begin_simple()
 {
     cat <<EOF
-#include "simpletrace.h"
+#include "trace/simple.h"
 EOF
 
     simple_event_num=0

simpletrace.h → trace/simple.h

@@ -8,8 +8,8 @@
  *
  */
 
-#ifndef SIMPLETRACE_H
-#define SIMPLETRACE_H
+#ifndef TRACE_SIMPLE_H
+#define TRACE_SIMPLE_H
 
 #include <stdint.h>
 #include <stdbool.h>
@@ -45,4 +45,4 @@ static inline bool st_init(const char *file)
 }
 #endif /* !CONFIG_TRACE_SIMPLE */
 
-#endif /* SIMPLETRACE_H */
+#endif /* TRACE_SIMPLE_H */

vl.c

@@ -156,7 +156,7 @@ int main(int argc, char **argv)
 #include "slirp/libslirp.h"
 
 #include "trace.h"
-#include "simpletrace.h"
+#include "trace/simple.h"
 #include "qemu-queue.h"
 #include "cpus.h"
 #include "arch_init.h"