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[Qemu-devel] [PATCH] trace: fix tcg tracing build breakage
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH] trace: fix tcg tracing build breakage |
Date: |
Mon, 27 Mar 2017 14:17:18 +0100 |
Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to
modular code generation for sub-directories") forgot to convert "tcg"
trace events to the modular code generation approach where each
sub-directory has its own trace-events file.
This patch fixes compilation for "tcg" trace events. Currently they are
only used in the root ./trace-events file.
"tcg" trace events can only be used in the root ./trace-events file for
the time being.
Reported-by: Peter Maydell <address@hidden>
Suggested-by: Emilio G. Cota <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
docs/tracing.txt | 3 +++
trace/Makefile.objs | 16 ++++++++--------
scripts/tracetool/format/tcg_h.py | 1 +
scripts/tracetool/format/tcg_helper_c.py | 1 +
4 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/docs/tracing.txt b/docs/tracing.txt
index e14bb6d..8c0029b 100644
--- a/docs/tracing.txt
+++ b/docs/tracing.txt
@@ -405,6 +405,9 @@ information. If used together with the "tcg" property, it
adds a second
"TCGv_env" argument that must point to the per-target global TCG register that
points to the vCPU when guest code is executed (usually the "cpu_env"
variable).
+The "tcg" and "vcpu" properties are currently only honored in the root
+./trace-events file.
+
The following example events:
foo(uint32_t a) "a=%x"
diff --git a/trace/Makefile.objs b/trace/Makefile.objs
index 1b8eb4a..afd571c 100644
--- a/trace/Makefile.objs
+++ b/trace/Makefile.objs
@@ -9,27 +9,27 @@ $(BUILD_DIR)/trace-events-all: $(trace-events-files)
$(obj)/generated-helpers-wrappers.h:
$(obj)/generated-helpers-wrappers.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-helpers-wrappers.h-timestamp: $(trace-events-files)
$(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-helpers-wrappers.h-timestamp: $(SRC_PATH)/trace-events
$(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
- --group=all \
+ --group=root \
--format=tcg-helper-wrapper-h \
--backend=$(TRACE_BACKENDS) \
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
$(obj)/generated-helpers.h: $(obj)/generated-helpers.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-helpers.h-timestamp: $(trace-events-files)
$(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events
$(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
- --group=all \
+ --group=root \
--format=tcg-helper-h \
--backend=$(TRACE_BACKENDS) \
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
$(obj)/generated-helpers.c: $(obj)/generated-helpers.c-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-helpers.c-timestamp: $(trace-events-files)
$(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-helpers.c-timestamp: $(SRC_PATH)/trace-events
$(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
- --group=all \
+ --group=root \
--format=tcg-helper-c \
--backend=$(TRACE_BACKENDS) \
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
@@ -41,9 +41,9 @@ 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: $(trace-events-files)
$(BUILD_DIR)/config-host.mak $(tracetool-y)
+$(obj)/generated-tcg-tracers.h-timestamp: $(SRC_PATH)/trace-events
$(BUILD_DIR)/config-host.mak $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
- --group=all \
+ --group=root \
--format=tcg-h \
--backend=$(TRACE_BACKENDS) \
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
diff --git a/scripts/tracetool/format/tcg_h.py
b/scripts/tracetool/format/tcg_h.py
index 7ddc4a5..db55f52 100644
--- a/scripts/tracetool/format/tcg_h.py
+++ b/scripts/tracetool/format/tcg_h.py
@@ -40,6 +40,7 @@ def generate(events, backend, group):
'#define TRACE_%s_GENERATED_TCG_TRACERS_H' % group.upper(),
'',
'#include "exec/helper-proto.h"',
+ '#include "%s"' % header,
'',
)
diff --git a/scripts/tracetool/format/tcg_helper_c.py
b/scripts/tracetool/format/tcg_helper_c.py
index 7dccd8c..ec7acbe 100644
--- a/scripts/tracetool/format/tcg_helper_c.py
+++ b/scripts/tracetool/format/tcg_helper_c.py
@@ -55,6 +55,7 @@ def generate(events, backend, group):
'#include "qemu-common.h"',
'#include "cpu.h"',
'#include "exec/helper-proto.h"',
+ '#include "%s"' % header,
'',
)
--
2.9.3
- [Qemu-devel] [PATCH] trace: fix tcg tracing build breakage,
Stefan Hajnoczi <=