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"""Test that debugserver will parse a mach-o in inferior memory even if it's not loaded."""
import os
import re
import subprocess
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestUnregisteredMacho(TestBase):
# newer debugserver required for jGetLoadedDynamicLibrariesInfos
# to support this
@skipIfOutOfTreeDebugserver
@no_debug_info_test
@skipUnlessDarwin
def test(self):
self.build()
target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
self, "// break here", lldb.SBFileSpec("main.c")
)
frame = thread.GetFrameAtIndex(0)
macho_buf = frame.GetValueForVariablePath("macho_buf")
macho_addr = macho_buf.GetValueAsUnsigned()
invalid_macho_addr = macho_buf.GetValueAsUnsigned() + 4
gdb_packet = (
"process plugin packet send 'jGetLoadedDynamicLibrariesInfos:{\"solib_addresses\":[%d]}]'"
% macho_addr
)
# Send the jGetLoadedDynamicLibrariesInfos packet
# to debugserver, asking it to parse the mach-o binary
# at this address and give us the UUID etc, even though
# dyld doesn't think there is a binary at that address.
# We won't get a pathname for the binary (from dyld), but
# we will get to the LC_UUID and include that.
self.expect(
gdb_packet,
substrs=['"pathname":""', '"uuid":"1B4E28BA-2FA1-11D2-883F-B9A761BDE3FB"'],
)
no_macho_gdb_packet = (
"process plugin packet send 'jGetLoadedDynamicLibrariesInfos:{\"solib_addresses\":[%d]}]'"
% invalid_macho_addr
)
self.expect(no_macho_gdb_packet, substrs=['response: {"images":[]}'])
# Test that we get back the information for the properly
# formatted Mach-O binary in memory, but do not get an
# entry for the invalid Mach-O address.
both_gdb_packet = (
"process plugin packet send 'jGetLoadedDynamicLibrariesInfos:{\"solib_addresses\":[%d,%d]}]'"
% (macho_addr, invalid_macho_addr)
)
self.expect(both_gdb_packet, substrs=['"load_address":%d,' % macho_addr])
self.expect(
both_gdb_packet,
substrs=['"load_address":%d,' % invalid_macho_addr],
matching=False,
)
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