| """ |
| Test that we correctly read the YMM registers. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestYMMRegister(TestBase): |
| mydir = TestBase.compute_mydir(__file__) |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| @skipIfFreeBSD |
| @skipIfiOSSimulator |
| @skipIfTargetAndroid() |
| @skipIf(archs=no_match(['i386', 'x86_64'])) |
| @expectedFailureAll(oslist=["linux"], bugnumber="rdar://30523153") |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr37995") |
| def test(self): |
| self.build(dictionary={"CFLAGS_EXTRAS": "-march=haswell"}) |
| self.setTearDownCleanup() |
| |
| exe = self.getBuildArtifact("a.out") |
| target = self.dbg.CreateTarget(exe) |
| |
| self.assertTrue(target, VALID_TARGET) |
| |
| byte_pattern1 = 0x80 |
| byte_pattern2 = 0xFF |
| |
| # Launch the process and stop. |
| self.expect("run", PROCESS_STOPPED, substrs=['stopped']) |
| |
| # Check stop reason; Should be either signal SIGTRAP or EXC_BREAKPOINT |
| output = self.res.GetOutput() |
| matched = False |
| substrs = [ |
| 'stop reason = EXC_BREAKPOINT', |
| 'stop reason = signal SIGTRAP'] |
| for str1 in substrs: |
| matched = output.find(str1) != -1 |
| with recording(self, False) as sbuf: |
| print("%s sub string: %s" % ('Expecting', str1), file=sbuf) |
| print("Matched" if matched else "Not Matched", file=sbuf) |
| if matched: |
| break |
| self.assertTrue(matched, STOPPED_DUE_TO_SIGNAL) |
| |
| if self.getArchitecture() == 'x86_64': |
| register_range = 16 |
| else: |
| register_range = 8 |
| for i in range(register_range): |
| j = i - ((i / 8) * 8) |
| self.runCmd("thread step-inst") |
| |
| register_byte = (byte_pattern1 | j) |
| pattern = "ymm" + str(i) + " = " + str('{') + ( |
| str(hex(register_byte)) + ' ') * 31 + str(hex(register_byte)) + str('}') |
| |
| self.expect( |
| "register read ymm" + str(i), |
| substrs=[pattern]) |
| |
| register_byte = (byte_pattern2 | j) |
| pattern = "ymm" + str(i) + " = " + str('{') + ( |
| str(hex(register_byte)) + ' ') * 31 + str(hex(register_byte)) + str('}') |
| |
| self.runCmd("thread step-inst") |
| self.expect( |
| "register read ymm" + str(i), |
| substrs=[pattern]) |
