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-rw-r--r--trace/Makefile.objs25
-rw-r--r--trace/mem-internal.h46
-rw-r--r--trace/mem.h34
3 files changed, 94 insertions, 11 deletions
diff --git a/trace/Makefile.objs b/trace/Makefile.objs
index 5145b34..cbe188e 100644
--- a/trace/Makefile.objs
+++ b/trace/Makefile.objs
@@ -8,13 +8,16 @@
tracetool-y = $(SRC_PATH)/scripts/tracetool.py
tracetool-y += $(shell find $(SRC_PATH)/scripts/tracetool -name "*.py")
+$(BUILD_DIR)/trace-events-all: $(trace-events-y:%=$(SRC_PATH)/%)
+ $(call quiet-command,cat $^ > $@)
+
######################################################################
# Auto-generated event descriptions for LTTng ust code
ifeq ($(findstring ust,$(TRACE_BACKENDS)),ust)
$(obj)/generated-ust-provider.h: $(obj)/generated-ust-provider.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-ust-provider.h-timestamp: $(SRC_PATH)/trace-events $(tracetool-y)
+$(obj)/generated-ust-provider.h-timestamp: $(BUILD_DIR)/trace-events-all $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=ust-events-h \
--backends=$(TRACE_BACKENDS) \
@@ -22,7 +25,7 @@ $(obj)/generated-ust-provider.h-timestamp: $(SRC_PATH)/trace-events $(tracetool-
$(obj)/generated-ust.c: $(obj)/generated-ust.c-timestamp $(BUILD_DIR)/config-host.mak
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-ust.c-timestamp: $(SRC_PATH)/trace-events $(tracetool-y)
+$(obj)/generated-ust.c-timestamp: $(BUILD_DIR)/trace-events-all $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=ust-events-c \
--backends=$(TRACE_BACKENDS) \
@@ -37,7 +40,7 @@ endif
$(obj)/generated-events.h: $(obj)/generated-events.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-events.h-timestamp: $(SRC_PATH)/trace-events $(tracetool-y)
+$(obj)/generated-events.h-timestamp: $(BUILD_DIR)/trace-events-all $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=events-h \
--backends=$(TRACE_BACKENDS) \
@@ -45,7 +48,7 @@ $(obj)/generated-events.h-timestamp: $(SRC_PATH)/trace-events $(tracetool-y)
$(obj)/generated-events.c: $(obj)/generated-events.c-timestamp $(BUILD_DIR)/config-host.mak
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-events.c-timestamp: $(SRC_PATH)/trace-events $(tracetool-y)
+$(obj)/generated-events.c-timestamp: $(BUILD_DIR)/trace-events-all $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=events-c \
--backends=$(TRACE_BACKENDS) \
@@ -62,7 +65,7 @@ util-obj-y += generated-events.o
$(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 $(tracetool-y)
+$(obj)/generated-tracers.h-timestamp: $(BUILD_DIR)/trace-events-all $(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=h \
--backends=$(TRACE_BACKENDS) \
@@ -73,7 +76,7 @@ $(obj)/generated-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/conf
$(obj)/generated-tracers.c: $(obj)/generated-tracers.c-timestamp
@cmp -s $< $@ || cp $< $@
-$(obj)/generated-tracers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-tracers.c-timestamp: $(BUILD_DIR)/trace-events-all $(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=c \
--backends=$(TRACE_BACKENDS) \
@@ -90,7 +93,7 @@ $(obj)/generated-tracers.o: $(obj)/generated-tracers.c $(obj)/generated-tracers.
ifeq ($(findstring dtrace,$(TRACE_BACKENDS)),dtrace)
$(obj)/generated-tracers-dtrace.dtrace: $(obj)/generated-tracers-dtrace.dtrace-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-tracers-dtrace.dtrace-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-tracers-dtrace.dtrace-timestamp: $(BUILD_DIR)/trace-events-all $(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=d \
--backends=$(TRACE_BACKENDS) \
@@ -109,7 +112,7 @@ endif
$(obj)/generated-helpers-wrappers.h: $(obj)/generated-helpers-wrappers.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-helpers-wrappers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-helpers-wrappers.h-timestamp: $(BUILD_DIR)/trace-events-all $(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=tcg-helper-wrapper-h \
--backend=$(TRACE_BACKENDS) \
@@ -117,7 +120,7 @@ $(obj)/generated-helpers-wrappers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_
$(obj)/generated-helpers.h: $(obj)/generated-helpers.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-helpers.h-timestamp: $(BUILD_DIR)/trace-events-all $(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=tcg-helper-h \
--backend=$(TRACE_BACKENDS) \
@@ -125,7 +128,7 @@ $(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/conf
$(obj)/generated-helpers.c: $(obj)/generated-helpers.c-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-helpers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-helpers.c-timestamp: $(BUILD_DIR)/trace-events-all $(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=tcg-helper-c \
--backend=$(TRACE_BACKENDS) \
@@ -138,7 +141,7 @@ target-obj-y += generated-helpers.o
$(obj)/generated-tcg-tracers.h: $(obj)/generated-tcg-tracers.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-tcg-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-tcg-tracers.h-timestamp: $(BUILD_DIR)/trace-events-all $(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--format=tcg-h \
--backend=$(TRACE_BACKENDS) \
diff --git a/trace/mem-internal.h b/trace/mem-internal.h
new file mode 100644
index 0000000..a75e0ff
--- /dev/null
+++ b/trace/mem-internal.h
@@ -0,0 +1,46 @@
+/*
+ * Helper functions for guest memory tracing
+ *
+ * Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef TRACE__MEM_INTERNAL_H
+#define TRACE__MEM_INTERNAL_H
+
+static inline uint8_t trace_mem_get_info(TCGMemOp op, bool store)
+{
+ uint8_t res = op;
+ bool be = (op & MO_BSWAP) == MO_BE;
+
+ /* remove untraced fields */
+ res &= (1ULL << 4) - 1;
+ /* make endianness absolute */
+ res &= ~MO_BSWAP;
+ if (be) {
+ res |= 1ULL << 3;
+ }
+ /* add fields */
+ if (store) {
+ res |= 1ULL << 4;
+ }
+
+ return res;
+}
+
+static inline uint8_t trace_mem_build_info(
+ TCGMemOp size, bool sign_extend, TCGMemOp endianness, bool store)
+{
+ uint8_t res = 0;
+ res |= size;
+ res |= (sign_extend << 2);
+ if (endianness == MO_BE) {
+ res |= (1ULL << 3);
+ }
+ res |= (store << 4);
+ return res;
+}
+
+#endif /* TRACE__MEM_INTERNAL_H */
diff --git a/trace/mem.h b/trace/mem.h
new file mode 100644
index 0000000..c76a572
--- /dev/null
+++ b/trace/mem.h
@@ -0,0 +1,34 @@
+/*
+ * Helper functions for guest memory tracing
+ *
+ * Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef TRACE__MEM_H
+#define TRACE__MEM_H
+
+#include "tcg/tcg.h"
+
+
+/**
+ * trace_mem_get_info:
+ *
+ * Return a value for the 'info' argument in guest memory access traces.
+ */
+static uint8_t trace_mem_get_info(TCGMemOp op, bool store);
+
+/**
+ * trace_mem_build_info:
+ *
+ * Return a value for the 'info' argument in guest memory access traces.
+ */
+static uint8_t trace_mem_build_info(TCGMemOp size, bool sign_extend,
+ TCGMemOp endianness, bool store);
+
+
+#include "trace/mem-internal.h"
+
+#endif /* TRACE__MEM_H */
generated by cgit v1.1 at 2024-12-27 09:20:35 +0000