115 lines · python
1import gdbremote_testcase2from lldbsuite.test.decorators import *3from lldbsuite.test.lldbtest import *4from lldbsuite.test import lldbutil5 6supported_linux_archs = ["x86_64", "i386"]7supported_oses = ["linux", "windows"] + lldbplatformutil.getDarwinOSTriples()8 9 10class TestGdbRemoteMemoryAllocation(gdbremote_testcase.GdbRemoteTestCaseBase):11 def allocate(self, size, permissions):12 self.test_sequence.add_log_lines(13 [14 "read packet: $_M{:x},{}#00".format(size, permissions),15 {16 "direction": "send",17 "regex": r"^\$([0-9a-f]+)#[0-9a-fA-F]{2}$",18 "capture": {1: "addr"},19 },20 ],21 True,22 )23 context = self.expect_gdbremote_sequence()24 self.assertIsNotNone(context)25 26 addr = int(context.get("addr"), 16)27 self.test_sequence.add_log_lines(28 [29 "read packet: $qMemoryRegionInfo:{:x}#00".format(addr),30 {31 "direction": "send",32 "regex": r"^\$start:([0-9a-fA-F]+);size:([0-9a-fA-F]+);permissions:([rwx]*);.*#[0-9a-fA-F]{2}$",33 "capture": {1: "addr", 2: "size", 3: "permissions"},34 },35 "read packet: $_m{:x}#00".format(addr),36 "send packet: $OK#00",37 ],38 True,39 )40 context = self.expect_gdbremote_sequence()41 self.assertIsNotNone(context)42 43 self.assertEqual(addr, int(context.get("addr"), 16))44 self.assertLessEqual(size, int(context.get("size"), 16))45 self.assertEqual(permissions, context.get("permissions"))46 47 @skipIf(oslist=no_match(supported_oses))48 @skipIf(oslist=["linux"], archs=no_match(supported_linux_archs))49 @expectedFailureDarwin(50 archs=["arm64", "arm64e"]51 ) # Memory cannot be writable and executable52 @expectedFailureAll(53 oslist=["windows"]54 ) # Memory allocated with incorrect permissions55 def test_supported(self):56 """Make sure (de)allocation works on platforms where it's supposed to57 work"""58 self.build()59 self.set_inferior_startup_launch()60 procs = self.prep_debug_monitor_and_inferior()61 62 self.allocate(0x1000, "r")63 self.allocate(0x2000, "rw")64 self.allocate(0x100, "rx")65 self.allocate(0x1100, "rwx")66 67 @skipIf(oslist=["linux"], archs=supported_linux_archs)68 @skipIf(oslist=supported_oses)69 def test_unsupported(self):70 """Make sure we get an "unsupported" error on platforms where the71 feature is not implemented."""72 73 self.build()74 self.set_inferior_startup_launch()75 procs = self.prep_debug_monitor_and_inferior()76 77 self.test_sequence.add_log_lines(78 [79 "read packet: $_M1000,rw#00",80 "send packet: $#00",81 ],82 True,83 )84 self.expect_gdbremote_sequence()85 86 def test_bad_packet(self):87 """Make sure we get a proper error for malformed packets."""88 89 self.build()90 self.set_inferior_startup_launch()91 procs = self.prep_debug_monitor_and_inferior()92 93 def e():94 return {95 "direction": "send",96 "regex": r"^\$E([0-9a-fA-F]+){2}#[0-9a-fA-F]{2}$",97 }98 99 self.test_sequence.add_log_lines(100 [101 "read packet: $_M#00",102 e(),103 "read packet: $_M1x#00",104 e(),105 "read packet: $_M1:#00",106 e(),107 "read packet: $_M1,q#00",108 e(),109 "read packet: $_m#00",110 e(),111 ],112 True,113 )114 self.expect_gdbremote_sequence()115