[PULL 07/18] tests/tcg: allow to check output of plugins

["Alex Bennée" <alex.bennee@linaro.org>]

From: Pierrick Bouvier <pierrick.bouvier@linaro.org>

A specific plugin test can now read and check a plugin output, to ensure
it contains expected values.

Tested-by: Xingtao Yao <yaoxt.fnst@fujitsu.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240724194708.1843704-5-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240916085400.1046925-8-alex.bennee@linaro.org>

diff --git a/tests/tcg/Makefile.target b/tests/tcg/Makefile.target
index c5b1c7a786..2da70b2fcf 100644
--- a/tests/tcg/Makefile.target
+++ b/tests/tcg/Makefile.target
@@ -90,6 +90,7 @@ CFLAGS=
 LDFLAGS=
 
 QEMU_OPTS=
+CHECK_PLUGIN_OUTPUT_COMMAND=
 
 
 # If TCG debugging, or TCI is enabled things are a lot slower
@@ -180,6 +181,10 @@ run-plugin-%:
 		-plugin $(PLUGIN_LIB)/$(call extract-plugin,$@)$(PLUGIN_ARGS) \
 		-d plugin -D $*.pout \
 		 $(call strip-plugin,$<))
+	$(if $(CHECK_PLUGIN_OUTPUT_COMMAND),				      \
+		$(call quiet-command, $(CHECK_PLUGIN_OUTPUT_COMMAND) $*.pout, \
+		       TEST, check plugin $(call extract-plugin,$@) output    \
+		       with $(call strip-plugin,$<)))
 else
 run-%: %
 	$(call run-test, $<, \
@@ -194,6 +199,10 @@ run-plugin-%:
 	   	  -plugin $(PLUGIN_LIB)/$(call extract-plugin,$@)$(PLUGIN_ARGS) \
 	    	  -d plugin -D $*.pout \
 		  $(QEMU_OPTS) $(call strip-plugin,$<))
+	$(if $(CHECK_PLUGIN_OUTPUT_COMMAND),				      \
+		$(call quiet-command, $(CHECK_PLUGIN_OUTPUT_COMMAND) $*.pout, \
+		       TEST, check plugin $(call extract-plugin,$@) output    \
+		       with $(call strip-plugin,$<)))
 endif
 
 gdb-%: %
-- 
2.39.5