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import gdbremote_testcase
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
supported_linux_archs = ["x86_64", "i386"]
supported_oses = ["linux", "windows"]+lldbplatformutil.getDarwinOSTriples()
class TestGdbRemoteMemoryAllocation(gdbremote_testcase.GdbRemoteTestCaseBase):
def allocate(self, size, permissions):
self.test_sequence.add_log_lines(["read packet: $_M{:x},{}#00".format(size, permissions),
{"direction": "send",
"regex":
r"^\$([0-9a-f]+)#[0-9a-fA-F]{2}$",
"capture": {
1: "addr"}},
],
True)
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
addr = int(context.get("addr"), 16)
self.test_sequence.add_log_lines(["read packet: $qMemoryRegionInfo:{:x}#00".format(addr),
{"direction": "send",
"regex":
r"^\$start:([0-9a-fA-F]+);size:([0-9a-fA-F]+);permissions:([rwx]*);.*#[0-9a-fA-F]{2}$",
"capture": {
1: "addr",
2: "size",
3: "permissions"}},
"read packet: $_m{:x}#00".format(addr),
"send packet: $OK#00",
],
True)
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
self.assertEqual(addr, int(context.get("addr"), 16))
self.assertLessEqual(size, int(context.get("size"), 16))
self.assertEqual(permissions, context.get("permissions"))
@skipIf(oslist=no_match(supported_oses))
@skipIf(oslist=["linux"], archs=no_match(supported_linux_archs))
@expectedFailureDarwin(archs=["arm64", "arm64e"]) # Memory cannot be writable and executable
@expectedFailureAll(oslist=["windows"]) # Memory allocated with incorrect permissions
def test_supported(self):
"""Make sure (de)allocation works on platforms where it's supposed to
work"""
self.build()
self.set_inferior_startup_launch()
procs = self.prep_debug_monitor_and_inferior()
self.allocate(0x1000, "r")
self.allocate(0x2000, "rw")
self.allocate(0x100, "rx")
self.allocate(0x1100, "rwx")
@skipIf(oslist=["linux"], archs=supported_linux_archs)
@skipIf(oslist=supported_oses)
def test_unsupported(self):
"""Make sure we get an "unsupported" error on platforms where the
feature is not implemented."""
self.build()
self.set_inferior_startup_launch()
procs = self.prep_debug_monitor_and_inferior()
self.test_sequence.add_log_lines(["read packet: $_M1000,rw#00",
"send packet: $#00",
],
True)
self.expect_gdbremote_sequence()
def test_bad_packet(self):
"""Make sure we get a proper error for malformed packets."""
self.build()
self.set_inferior_startup_launch()
procs = self.prep_debug_monitor_and_inferior()
def e():
return {"direction": "send",
"regex":
r"^\$E([0-9a-fA-F]+){2}#[0-9a-fA-F]{2}$"}
self.test_sequence.add_log_lines([
"read packet: $_M#00", e(),
"read packet: $_M1x#00", e(),
"read packet: $_M1:#00", e(),
"read packet: $_M1,q#00", e(),
"read packet: $_m#00", e(),
], True)
self.expect_gdbremote_sequence()
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