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"""
Test the iteration protocol for frame registers.
"""
from __future__ import print_function
import os, time
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class RegistersIteratorTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line1 = line_number('main.cpp', '// Set break point at this line.')
@add_test_categories(['pyapi'])
@expectedFailureAll(oslist=["windows"])
def test_iter_registers(self):
"""Test iterator works correctly for lldbutil.iter_registers()."""
self.build()
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line1)
self.assertTrue(breakpoint, VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple (None, None, self.get_process_working_directory())
if not process:
self.fail("SBTarget.LaunchProcess() failed")
import lldbsuite.test.lldbutil as lldbutil
for thread in process:
if thread.GetStopReason() == lldb.eStopReasonBreakpoint:
for frame in thread:
# Dump the registers of this frame using lldbutil.get_GPRs() and friends.
if self.TraceOn():
print(frame)
REGs = lldbutil.get_GPRs(frame)
num = len(REGs)
if self.TraceOn():
print("\nNumber of general purpose registers: %d" % num)
for reg in REGs:
self.assertTrue(reg)
if self.TraceOn():
print("%s => %s" % (reg.GetName(), reg.GetValue()))
REGs = lldbutil.get_FPRs(frame)
num = len(REGs)
if self.TraceOn():
print("\nNumber of floating point registers: %d" % num)
for reg in REGs:
self.assertTrue(reg)
if self.TraceOn():
print("%s => %s" % (reg.GetName(), reg.GetValue()))
REGs = lldbutil.get_ESRs(frame)
if self.platformIsDarwin():
num = len(REGs)
if self.TraceOn():
print("\nNumber of exception state registers: %d" % num)
for reg in REGs:
self.assertTrue(reg)
if self.TraceOn():
print("%s => %s" % (reg.GetName(), reg.GetValue()))
else:
self.assertIsNone(REGs)
# And these should also work.
for kind in ["General Purpose Registers",
"Floating Point Registers"]:
REGs = lldbutil.get_registers(frame, kind)
self.assertTrue(REGs)
REGs = lldbutil.get_registers(frame, "Exception State Registers")
if self.platformIsDarwin():
self.assertIsNotNone(REGs)
else:
self.assertIsNone(REGs)
# We've finished dumping the registers for frame #0.
break
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