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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('$pc')
report(bp.hit_count == 1,
"break @ %s (%s %d hits)" % (end_pc, sym.value(), bp.hit_count))
bp.delete()
def run_test():
"Run through the tests one by one"
check_break("SHA1Init")
# Check step and inspect values. We do a double next after the
# breakpoint as depending on the version of gdb we may step the
# preamble and not the first actual line of source.
gdb.execute("next")
gdb.execute("next")
val_ctx = gdb.parse_and_eval("context->state[0]")
exp_ctx = 0x67452301
report(int(val_ctx) == exp_ctx, "context->state[0] == %x" % exp_ctx);
gdb.execute("next")
val_ctx = gdb.parse_and_eval("context->state[1]")
exp_ctx = 0xEFCDAB89
report(int(val_ctx) == exp_ctx, "context->state[1] == %x" % exp_ctx);
# finally check we don't barf inspecting registers
gdb.execute("info registers")
#
# This runs as the script it sourced (via -x, via run-test.py)
#
try:
inferior = gdb.selected_inferior()
arch = inferior.architecture()
print("ATTACHED: %s" % arch.name())
except (gdb.error, AttributeError):
print("SKIPPING (not connected)", file=sys.stderr)
exit(0)
if gdb.parse_and_eval('$pc') == 0:
print("SKIP: PC not set")
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)
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