Commit df3ca223 authored by Alex Bennée's avatar Alex Bennée
Browse files

tests/tcg: add a multiarch linux-user gdb test 



When the gdbstub code was converted to the new API we missed a few
snafus in the various guests. Add a simple gdb test script which can
be used on all our linux-user guests to check for obvious failures.

Signed-off-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-Id: <20200430190122.4592-9-alex.bennee@linaro.org>
parent b0dc2a8b

tests/tcg/aarch64/Makefile.target

+2 −3
Original line number Diff line number Diff line
@@ -54,9 +54,6 @@ sve-ioctls: CFLAGS+=-march=armv8.1-a+sve 
ifneq ($(HAVE_GDB_BIN),)

GDB_SCRIPT=$(SRC_PATH)/tests/guest-debug/run-test.py



AARCH64_TESTS += gdbstub-sysregs gdbstub-sve-ioctls



.PHONY: gdbstub-sysregs gdbstub-sve-ioctls

run-gdbstub-sysregs: sysregs

	$(call run-test, $@, $(GDB_SCRIPT) \

		--gdb $(HAVE_GDB_BIN) \
@@ -70,6 +67,8 @@ run-gdbstub-sve-ioctls: sve-ioctls 
		--qemu $(QEMU) --qargs "$(QEMU_OPTS)" \

		--bin $< --test $(AARCH64_SRC)/gdbstub/test-sve-ioctl.py, \

	"basic gdbstub SVE ZLEN support")



EXTRA_RUNS += run-gdbstub-sysregs run-gdbstub-sve-ioctls

endif



endif

tests/tcg/cris/Makefile.target

+1 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ CRIS_RUNS = $(patsubst %, run-%, $(CRIS_USABLE_TESTS)) 


# override the list of tests, as we can't build the multiarch tests

TESTS = $(CRIS_USABLE_TESTS)

EXTRA_RUNS =

VPATH = $(CRIS_SRC)



AS	= $(CC) -x assembler-with-cpp

tests/tcg/multiarch/Makefile.target

+14 −0
Original line number Diff line number Diff line
@@ -42,5 +42,19 @@ run-test-mmap-%: test-mmap 
	$(call run-test, test-mmap-$*, $(QEMU) -p $* $<,\

		"$< ($* byte pages) on $(TARGET_NAME)")



ifneq ($(HAVE_GDB_BIN),)

GDB_SCRIPT=$(SRC_PATH)/tests/guest-debug/run-test.py



run-gdbstub-sha1: sha1

	$(call run-test, $@, $(GDB_SCRIPT) \

		--gdb $(HAVE_GDB_BIN) \

		--qemu $(QEMU) --qargs "$(QEMU_OPTS)" \

		--bin $< --test $(MULTIARCH_SRC)/gdbstub/sha1.py, \

	"basic gdbstub support")



EXTRA_RUNS += run-gdbstub-sha1

endif





# Update TESTS

TESTS += $(MULTIARCH_TESTS)

tests/tcg/multiarch/gdbstub/sha1.py

0 → 100644
+81 −0
Original line number Diff line number Diff line 
from __future__ import print_function

#

# A very simple smoke test for debugging the SHA1 userspace test on

# each target.

#

# This is launched via tests/guest-debug/run-test.py

#



import gdb

import sys



initial_vlen = 0

failcount = 0



def report(cond, msg):

    "Report success/fail of test"

    if cond:

        print("PASS: %s" % (msg))

    else:

        print("FAIL: %s" % (msg))

        global failcount

        failcount += 1



def check_break(sym_name):

    "Setup breakpoint, continue and check we stopped."

    sym, ok = gdb.lookup_symbol(sym_name)

    bp = gdb.Breakpoint(sym_name)



    gdb.execute("c")



    # hopefully we came back

    end_pc = gdb.parse_and_eval('$pc')

    report(bp.hit_count == 1,

           "break @ %s (%s %d hits)" % (end_pc, sym.value(), bp.hit_count))



    bp.delete()



def run_test():

    "Run through the tests one by one"



    check_break("SHA1Init")



    # check step and inspect values

    gdb.execute("next")

    val_ctx = gdb.parse_and_eval("context->state[0]")

    exp_ctx = 0x67452301

    report(int(val_ctx) == exp_ctx, "context->state[0] == %x" % exp_ctx);



    gdb.execute("next")

    val_ctx = gdb.parse_and_eval("context->state[1]")

    exp_ctx = 0xEFCDAB89

    report(int(val_ctx) == exp_ctx, "context->state[1] == %x" % exp_ctx);



    # finally check we don't barf inspecting registers

    gdb.execute("info registers")



#

# This runs as the script it sourced (via -x, via run-test.py)

#

try:

    inferior = gdb.selected_inferior()

    arch = inferior.architecture()

    print("ATTACHED: %s" % arch.name())

except (gdb.error, AttributeError):

    print("SKIPPING (not connected)", file=sys.stderr)

    exit(0)



try:

    # These are not very useful in scripts

    gdb.execute("set pagination off")

    gdb.execute("set confirm off")



    # Run the actual tests

    run_test()

except (gdb.error):

    print ("GDB Exception: %s" % (sys.exc_info()[0]))

    failcount += 1

    pass



print("All tests complete: %d failures" % failcount)

exit(failcount)