cf58773f1c
A very simple test case which sets and reads SVE registers while running a test case. We don't really need to compile a SVE binary for this case but we will later so keep it simple for now. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200316172155.971-24-alex.bennee@linaro.org>
85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
from __future__ import print_function
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#
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# Test the SVE registers are visable and changeable via gdbstub
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#
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# This is launched via tests/guest-debug/run-test.py
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#
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import gdb
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import sys
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MAGIC = 0xDEADBEEF
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failcount = 0
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def report(cond, msg):
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"Report success/fail of test"
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if cond:
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print ("PASS: %s" % (msg))
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else:
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print ("FAIL: %s" % (msg))
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global failcount
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failcount += 1
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def run_test():
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"Run through the tests one by one"
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gdb.execute("info registers")
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report(True, "info registers")
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gdb.execute("info registers vector")
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report(True, "info registers vector")
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# Now all the zregs
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frame = gdb.selected_frame()
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for i in range(0, 32):
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rname = "z%d" % (i)
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zreg = frame.read_register(rname)
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report(True, "Reading %s" % rname)
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for j in range(0, 4):
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cmd = "set $%s.q.u[%d] = 0x%x" % (rname, j, MAGIC)
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gdb.execute(cmd)
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report(True, "%s" % cmd)
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for j in range(0, 4):
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reg = "$%s.q.u[%d]" % (rname, j)
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v = gdb.parse_and_eval(reg)
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report(str(v.type) == "uint128_t", "size of %s" % (reg))
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for j in range(0, 8):
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cmd = "set $%s.d.u[%d] = 0x%x" % (rname, j, MAGIC)
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gdb.execute(cmd)
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report(True, "%s" % cmd)
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for j in range(0, 8):
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reg = "$%s.d.u[%d]" % (rname, j)
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v = gdb.parse_and_eval(reg)
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report(str(v.type) == "uint64_t", "size of %s" % (reg))
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report(int(v) == MAGIC, "%s is 0x%x" % (reg, MAGIC))
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#
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# This runs as the script it sourced (via -x, via run-test.py)
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#
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try:
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inferior = gdb.selected_inferior()
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if inferior.was_attached == False:
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print("SKIPPING (failed to attach)", file=sys.stderr)
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exit(0)
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arch = inferior.architecture()
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report(arch.name() == "aarch64", "connected to aarch64")
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except (gdb.error, AttributeError):
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print("SKIPPING (not connected)", file=sys.stderr)
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exit(0)
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try:
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# These are not very useful in scripts
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gdb.execute("set pagination off")
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gdb.execute("set confirm off")
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# Run the actual tests
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run_test()
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except:
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print ("GDB Exception: %s" % (sys.exc_info()[0]))
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failcount += 1
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print("All tests complete: %d failures" % failcount)
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exit(failcount)
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