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testing: probe gdb for supported architectures ahead of time

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Currently when we encounter a gdb that is old or not built with
multiarch in mind we fail rather messily. Try and improve the
situation by probing ahead of time and setting
HOST_GDB_SUPPORTS_ARCH=y in the relevant tcg configs. We can then skip
and give a more meaningful message if we don't run the test.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230302190846.2593720-24-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-24-richard.henderson@linaro.org>
This commit is contained in:
Alex Bennée 2023-03-02 18:57:59 -08:00
parent 61b2e136db
commit bcbc36a98f
7 changed files with 109 additions and 3 deletions
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6
tests/tcg/multiarch/system/Makefile.softmmu-target
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@ -15,6 +15,7 @@ MULTIARCH_TEST_SRCS=$(wildcard $(MULTIARCH_SYSTEM_SRC)/*.c)
MULTIARCH_TESTS = $(patsubst $(MULTIARCH_SYSTEM_SRC)/%.c, %, $(MULTIARCH_TEST_SRCS))
ifneq ($(HAVE_GDB_BIN),)
ifeq ($(HOST_GDB_SUPPORTS_ARCH),y)
GDB_SCRIPT=$(SRC_PATH)/tests/guest-debug/run-test.py
run-gdbstub-memory: memory
@ -26,7 +27,10 @@ run-gdbstub-memory: memory
"-monitor none -display none -chardev file$(COMMA)path=$<.out$(COMMA)id=output $(QEMU_OPTS)" \
--bin $< --test $(MULTIARCH_SRC)/gdbstub/memory.py, \
softmmu gdbstub support)
else
run-gdbstub-%:
$(call skip-test, "gdbstub test $*", "no guest arch support")
endif
else
run-gdbstub-%:
$(call skip-test, "gdbstub test $*", "need working gdb")