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from __future__ import print_function
#
# Test the SVE registers are visable and changeable via gdbstub
#
# This is launched via tests/guest-debug/run-test.py
#
import gdb
import sys
MAGIC = 0xDEADBEEF
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 run_test():
"Run through the tests one by one"
gdb.execute("info registers")
report(True, "info registers")
gdb.execute("info registers vector")
report(True, "info registers vector")
# Now all the zregs
frame = gdb.selected_frame()
for i in range(0, 32):
rname = "z%d" % (i)
zreg = frame.read_register(rname)
report(True, "Reading %s" % rname)
for j in range(0, 4):
cmd = "set $%s.q.u[%d] = 0x%x" % (rname, j, MAGIC)
gdb.execute(cmd)
report(True, "%s" % cmd)
for j in range(0, 4):
reg = "$%s.q.u[%d]" % (rname, j)
v = gdb.parse_and_eval(reg)
report(str(v.type) == "uint128_t", "size of %s" % (reg))
for j in range(0, 8):
cmd = "set $%s.d.u[%d] = 0x%x" % (rname, j, MAGIC)
gdb.execute(cmd)
report(True, "%s" % cmd)
for j in range(0, 8):
reg = "$%s.d.u[%d]" % (rname, j)
v = gdb.parse_and_eval(reg)
report(str(v.type) == "uint64_t", "size of %s" % (reg))
report(int(v) == MAGIC, "%s is 0x%x" % (reg, MAGIC))
#
# This runs as the script it sourced (via -x, via run-test.py)
#
try:
inferior = gdb.selected_inferior()
if inferior.was_attached == False:
print("SKIPPING (failed to attach)", file=sys.stderr)
exit(0)
arch = inferior.architecture()
report(arch.name() == "aarch64", "connected to aarch64")
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:
print ("GDB Exception: %s" % (sys.exc_info()[0]))
failcount += 1
print("All tests complete: %d failures" % failcount)
exit(failcount)
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