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Lirong Yuan 1267506ea5 [lldb] fix memory leak in "GetGDBServerRegisterInfoXMLAndProcess" 
While running heap checker on a test that uses LLDB API, the following memory leak is found:

RAW: HeapChecker started...
RAW: Leak check _main_ detected leaks of 34 bytes in 4 objects
RAW: The 2 largest leaks:
RAW: Leak of 17 bytes in 2 objects allocated from:
@ 0x7fb93bd20166 NewHook()
@ 0x7fb929372a73 absl::base_internal::MallocHook::InvokeNewHookSlow()
@ 0x5600d1046093 libc_malloc
@ 0x7fb974529c03 xmlStrdup
@ 0x7fb9744c2a0b xmlGetProp
@ 0x7fb9749d9ed6 lldb_private::XMLNode::GetAttributeValue()
@ 0x7fb979043001 std::u::function::policy_invoker<>::__call_impl<>()
@ 0x7fb9749da06d lldb_private::XMLNode::ForEachChildElement()
@ 0x7fb97903c54d lldb_private::process_gdb_remote::ProcessGDBRemote::GetGDBServerRegisterInfoXMLAndProcess()
@ 0x7fb97902cfe4 lldb_private::process_gdb_remote::ProcessGDBRemote::GetGDBServerRegisterInfo()
@ 0x7fb97902c1d0 lldb_private::process_gdb_remote::ProcessGDBRemote::BuildDynamicRegisterInfo()
@ 0x7fb97902e92a lldb_private::process_gdb_remote::ProcessGDBRemote::SetThreadStopInfo()
@ 0x7fb97902db18 lldb_private::process_gdb_remote::ProcessGDBRemote::DoConnectRemote()
@ 0x7fb97584965e lldb_private::Process::ConnectRemote()
@ 0x7fb975839fa6 lldb_private::Platform::DoConnectProcess()
@ 0x7fb97583a39e lldb_private::Platform::ConnectProcessSynchronous()
@ 0x7fb97545b28b CommandObjectProcessConnect::DoExecute()
@ 0x7fb9755a70c9 lldb_private::CommandObjectParsed::Execute()
@ 0x7fb97559c0e9 lldb_private::CommandInterpreter::HandleCommand()
@ 0x7fb975460145 lldb_private::CommandObjectRegexCommand::DoExecute()
@ 0x7fb9755a72d2 lldb_private::CommandObjectRaw::Execute()
@ 0x7fb97559c0e9 lldb_private::CommandInterpreter::HandleCommand()
@ 0x7fb997a5f22e lldb::SBCommandInterpreter::HandleCommand()
@ 0x7fb997a5ef9b lldb::SBCommandInterpreter::HandleCommand()

This change fixes the memory leaks by freeing memory after it is no
longer in use. Tested with "ninja check-lldb".

Differential revision: https://reviews.llvm.org/D116707
2022-01-10 14:33:09 -08:00
..
bindings [lldb] Remove lldbconfig module 2022-01-07 15:58:43 -08:00
cmake [lldb] Use GNUInstallDirs to support custom installation dirs. 2021-12-22 00:28:53 +00:00
docs [lldb][docs] Update references to SVN 2022-01-09 13:21:40 -08:00
examples [lldb/plugins] Add arm64(e) support to ScriptedProcess 2021-12-06 16:11:59 -08:00
include/lldb [lldb] fix memory leak in "GetGDBServerRegisterInfoXMLAndProcess" 2022-01-10 14:33:09 -08:00
packages/Python/lldbsuite [lldb/platform-gdb] Clear cached protocol state upon disconnection 2022-01-10 16:27:30 +01:00
resources
scripts
source [lldb] fix memory leak in "GetGDBServerRegisterInfoXMLAndProcess" 2022-01-10 14:33:09 -08:00
test [lldb] Remove lldb-instr 2022-01-10 11:48:16 -08:00
third_party/Python/module
tools [lldb] Remove lldb-instr 2022-01-10 11:48:16 -08:00
unittests [lldb] Remove reproducer instrumentation 2022-01-09 21:40:55 -08:00
utils
.clang-format
.clang-tidy
.gitignore
CMakeLists.txt [lldb] Use GNUInstallDirs to support custom installation dirs. 2021-12-22 00:28:53 +00:00
CODE_OWNERS.txt
LICENSE.TXT
use_lldb_suite_root.py