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"""Test single-stepping SVC.
This runs as a sourced script (via -x, via run-test.py)."""
from __future__ import print_function
import gdb
import sys
n_failures = 0
def report(cond, msg):
"""Report success/fail of a test"""
if cond:
print("PASS: {}".format(msg))
else:
print("FAIL: {}".format(msg))
global n_failures
n_failures += 1
def run_test():
"""Run through the tests one by one"""
report("lghi\t" in gdb.execute("x/i $pc", False, True), "insn #1")
gdb.execute("si")
report("larl\t" in gdb.execute("x/i $pc", False, True), "insn #2")
gdb.execute("si")
report("lgrl\t" in gdb.execute("x/i $pc", False, True), "insn #3")
gdb.execute("si")
report("svc\t" in gdb.execute("x/i $pc", False, True), "insn #4")
gdb.execute("si")
report("xgr\t" in gdb.execute("x/i $pc", False, True), "insn #5")
gdb.execute("si")
report("svc\t" in gdb.execute("x/i $pc", False, True), "insn #6")
gdb.execute("si")
def main():
"""Prepare the environment and run through the tests"""
try:
inferior = gdb.selected_inferior()
print("ATTACHED: {}".format(inferior.architecture().name()))
except (gdb.error, AttributeError):
print("SKIPPING (not connected)")
exit(0)
if gdb.parse_and_eval('$pc') == 0:
print("SKIP: PC not set")
exit(0)
try:
# Run the actual tests
run_test()
except gdb.error:
report(False, "GDB Exception: {}".format(sys.exc_info()[0]))
print("All tests complete: %d failures" % n_failures)
exit(n_failures)
main()
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