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() 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") # 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)