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| author | Lluís Vilanova <vilanova@ac.upc.edu> | 2014-05-30 14:11:50 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-08-12 14:26:12 +0100 |
| commit | 707c8a98e4c42a559ad8d1ec0e77e28ffd666346 (patch) | |
| tree | b26f404ae1c05bd4ae5e01e7ff7fbcfffafa7446 /trace | |
| parent | b2b36c22bd8b14de34bd108daa96d89ba41fe8e7 (diff) | |
trace: [tcg] Declare TCG tracing helper routines
Generates file "trace/generated-helpers.h" with TCG helper declarations to trace
events in guest code at execution time ('trace_${event}_exec_proxy').
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'trace')
| -rw-r--r-- | trace/Makefile.objs | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/trace/Makefile.objs b/trace/Makefile.objs index d7a86969a4..0a2e6cd71c 100644 --- a/trace/Makefile.objs +++ b/trace/Makefile.objs @@ -49,6 +49,9 @@ util-obj-y += generated-events.o ###################################################################### # Auto-generated tracing routines +################################################## +# Execution level + $(obj)/generated-tracers.h: $(obj)/generated-tracers.h-timestamp @cmp -s $< $@ || cp $< $@ $(obj)/generated-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak @@ -57,8 +60,8 @@ $(obj)/generated-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/conf --backends=$(TRACE_BACKENDS) \ < $< > $@," GEN $(patsubst %-timestamp,%,$@)") -###################################################################### -# Auto-generated tracing routines (non-DTrace) +############################## +# non-DTrace $(obj)/generated-tracers.c: $(obj)/generated-tracers.c-timestamp @cmp -s $< $@ || cp $< $@ @@ -70,9 +73,8 @@ $(obj)/generated-tracers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/conf $(obj)/generated-tracers.o: $(obj)/generated-tracers.c $(obj)/generated-tracers.h - -###################################################################### -# Auto-generated DTrace code +############################## +# DTrace # Normal practice is to name DTrace probe file with a '.d' extension # but that gets picked up by QEMU's Makefile as an external dependency @@ -94,6 +96,18 @@ $(obj)/generated-tracers-dtrace.o: $(obj)/generated-tracers-dtrace.dtrace util-obj-y += generated-tracers-dtrace.o endif +################################################## +# Translation level + +$(obj)/generated-helpers.h: $(obj)/generated-helpers.h-timestamp +$(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak + $(call quiet-command,$(TRACETOOL) \ + --format=tcg-helper-h \ + --backend=$(TRACE_BACKENDS) \ + < $< > $@," GEN $(patsubst %-timestamp,%,$@)") + @cmp -s $@ $(patsubst %-timestamp,%,$@) || cp $@ $(patsubst %-timestamp,%,$@) + + ###################################################################### # Backend code |