Commit Graph

193 Commits

Author SHA1 Message Date
Robert Flack a0e70cd4b6 Allow multiple simultaneous connections to platform.
Adds the --server argument to lldb-server platform which when specified will allow multiple simultaneous connections by forking off to handle each individual connection. This will allow us to run the remote tests in parallel.

Test Plan:
Run: lldb-server platform --listen *:1234 --server
Connect from multiple lldb clients simultaneously.
I will also test running the test suite remotely with multiple simultaneous jobs.

Differential Revision: http://reviews.llvm.org/D8452

llvm-svn: 233185
2015-03-25 12:51:31 +00:00
Zachary Turner 3294de270e Move lldb-log.cpp to core/Logging.cpp
So that we don't have to update every single #include in the entire
codebase to #include this new header (which used to get included by
lldb-private-log.h, we automatically #include "Logging.h" from
within "Log.h".

llvm-svn: 232653
2015-03-18 18:20:42 +00:00
Ilia K 686b1fe65a Fix FileSpec::GetPath to return null-terminated strings
Summary:
Before this fix the FileSpec::GetPath() returned string which might be without '\0' at the end.
It could have happened if the size of buffer for path was less than actual path.

Test case:
```
FileSpec test("/path/to/file", false);
char buf[]="!!!!!!";
test.GetPath(buf, 3);
```

Before fix:
```
   233          FileSpec test("/path/to/file", false);
   234          char buf[]="!!!!!!";
   235          test.GetPath(buf, 3);
   236
-> 237          if (core_file)
   238          {
   239              if (!core_file.Exists())
   240              {
(lldb) print buf
(char [7]) $0 = "/pa!!!"
```

After fix:
```
   233          FileSpec test("/path/to/file", false);
   234          char buf[]="!!!!!!";
   235          test.GetPath(buf, 3);
   236
-> 237          if (core_file)
   238          {
   239              if (!core_file.Exists())
   240              {
(lldb) print buf
(char [7]) $0 = "/p"
```

Reviewers: zturner, abidh, clayborg

Reviewed By: abidh, clayborg

Subscribers: tberghammer, vharron, lldb-commits, clayborg, zturner, abidh

Differential Revision: http://reviews.llvm.org/D7553

llvm-svn: 230787
2015-02-27 19:43:08 +00:00
Vince Harron f7839220ee Fix typo that breaks FileSystem::IsLocal
llvm-svn: 230312
2015-02-24 05:24:12 +00:00
Vince Harron 294aeb9a40 Compile fix for FileSystem::IsLocal on Linux
llvm-svn: 230311
2015-02-24 05:14:49 +00:00
Greg Clayton 736888c84b Avoid crashing by not mmap'ing files on network mounted file systems.
This is implemented by making a new FileSystem function:

bool
FileSystem::IsLocal(const FileSpec &spec)

Then using this in a new function:

DataBufferSP
FileSpec::MemoryMapFileContentsIfLocal(off_t file_offset, size_t file_size) const;

This function only mmaps data if the file is a local file since that means we can reliably page in data. We were experiencing crashes where people would use debug info files on network mounted file systems and that mount would go away and cause the next access to a page that wasn't paged in to crash LLDB. 

We now avoid this by just copying the data into a heap buffer and keeping a permanent copy to avoid the crash. Updated all previous users of FileSpec::MemoryMapFileContentsIfLocal() in ObjectFile subclasses over to use the new FileSpec::MemoryMapFileContentsIfLocal() function.

<rdar://problem/19470249>

llvm-svn: 230283
2015-02-23 23:47:09 +00:00
Oleksiy Vyalov 7a9e76216b Introduce FileSystem::CalculateMD5AsString that supports any platform and make existing FileSystem::CalculateMD5 to use it.
http://reviews.llvm.org/D7771

llvm-svn: 230036
2015-02-20 18:34:03 +00:00
Oleksiy Vyalov 4536c458e1 Fix warning about the use of mktemp and make platform agnostic by adding and using PipeBase::CreateWithUniqueName - on behalf of flackr.
http://reviews.llvm.org/D7348

llvm-svn: 228307
2015-02-05 16:29:12 +00:00
Vince Harron eb303ee5df Added Connection::GetURI()
This function returns a URI of the resource that the connection is connected to. This is especially important for connections established by accepting a connection from a remote host.

Also added implementations for ConnectionMachPort, ConnectionSharedMemory, 
Also fixed up some documentation in Connection::Write
Renamed ConnectionFileDescriptorPosix::SocketListen to ConnectionFileDescriptorPosix::SocketListenAndAccept
Fixed a log message in Socket.cpp

Differential Review: http://reviews.llvm.org/D7026

llvm-svn: 226362
2015-01-17 02:20:29 +00:00
Vince Harron 5275aaa0cc Moved Args::StringToXIntYZ to StringConvert::ToXIntYZ
The refactor was motivated by some comments that Greg made
http://reviews.llvm.org/D6918

and also to break a dependency cascade that caused functions linking
in string->int conversion functions to pull in most of lldb

llvm-svn: 226199
2015-01-15 20:08:35 +00:00
Oleksiy Vyalov 4771829225 Extend PipePosix with support for named pipes/timeout-based IO and integrate it with GDBRemoteCommunication / lldb-gdbserver - include reviews fixes.
http://reviews.llvm.org/D6954

llvm-svn: 225923
2015-01-14 01:31:27 +00:00
Oleksiy Vyalov d5f8b6a6ca Extend PipePosix with support for named pipes/timeout-based IO and integrate it with GDBRemoteCommunication / lldb-gdbserver.
http://reviews.llvm.org/D6954

llvm-svn: 225849
2015-01-13 23:19:40 +00:00
Greg Clayton 62f24e97bd Fix being able to get a thread result when calling HostThreadPosix::Join(). It was broken when initially checked in by getting the thread result into a temporary variable and never doing anything with it. Most threads in LLDB don't look at their thread results, but launching processes in a terminal window on MacOSX does require getting a thread result and this broke "process launch --tty" on darwin.
<rdar://problem/19308966>

llvm-svn: 225224
2015-01-06 00:21:29 +00:00
Oleksiy Vyalov ec8f582aec No need to call SetErrorToErrno when pipe2 succeeds.
http://reviews.llvm.org/D6743

llvm-svn: 224652
2014-12-19 23:52:46 +00:00
Zachary Turner 0b9d3eefdb Enhance the Pipe interface for better portability.
This patch makes a number of improvements to the Pipe interface.

1) An interface (PipeBase) is provided which exposes pure virtual
   methods for any implementation of Pipe to override.  While not
   strictly necessary, this helps catch errors where the interfaces
   are out of sync.

2) All methods return lldb_private::Error instead of returning bool
   or void.  This allows richer error information to be propagated
   up to LLDB.

3) A new ReadWithTimeout() method is exposed in the base class and
   implemented on Windows.

4) Support for both named and anonymous pipes is exposed through the
   base interface and implemented on Windows.  For creating a new
   pipe, both named and anonymous pipes are supported, and for
   opening an existing pipe, only named pipes are supported.

New methods described in points #3 and #4 are stubbed out on posix,
but fully implemented on Windows.  These should be implemented by
someone on the linux / mac / bsd side.

Reviewed by: Greg Clayton, Oleksiy Vyalov
Differential Revision: http://reviews.llvm.org/D6686

llvm-svn: 224442
2014-12-17 18:02:19 +00:00
Oleksiy Vyalov ff9a07203e Extend PipePosix with child_processes_inherit support - to control whether pipe handles should be inherited by a child process.
http://reviews.llvm.org/D6348

llvm-svn: 222541
2014-11-21 16:18:57 +00:00
Oleksiy Vyalov 477e42a6fb Apply SOCK_CLOEXEC flag to socket API functions in order to avoid handle leakage to a forked child process.
http://reviews.llvm.org/D6204

llvm-svn: 222004
2014-11-14 16:25:18 +00:00
Zachary Turner 10687b0ea5 Remove LLDB_DEFAULT_SHELL #define, and determine this at runtime.
Differential Revision: http://reviews.llvm.org/D5805
Reviewed by: Greg Clayton

llvm-svn: 220217
2014-10-20 17:46:43 +00:00
Zachary Turner 172d37d3b9 Create a process launcher abstraction.
This implements Host::LaunchProcess for windows, and in doing so
does some minor refactor to move towards a more modular process
launching design.

The original motivation for this is that launching processes on
windows needs some very windows specific code, which would live
most appropriately in source/Host/windows somewhere.  However,
there is already some common code that all platforms use when
launching a process before delegating to the platform specific
stuff, which lives in source/Host/common/Host.cpp which would
be nice to reuse without duplicating.

This commonality has been abstracted into MonitoringProcessLauncher,
a class which abstracts out the notion of launching a process using
an arbitrary algorithm, and then monitoring it for state changes.

The windows specific launching code lives in ProcessLauncherWindows,
and the posix specific launching code lives in ProcessLauncherPosix.
When launching a process MonitoringProcessLauncher is created, and
then an appropriate delegate launcher is created and given to the
MonitoringProcessLauncher.

Reviewed by: Greg Clayton
Differential Revision: http://reviews.llvm.org/D5781

llvm-svn: 219731
2014-10-14 21:55:08 +00:00
Zachary Turner b2df30d652 Fix deadlock in Python one-line execution.
Python one-line execution was using ConnectionFileDescriptor to do
a non-blocking read against a pipe.  This won't work on Windows,
as CFD is implemented using select(), and select() only works with
sockets on Windows.

The solution is to use ConnectionGenericFile on Windows, which uses
the native API to do overlapped I/O on the pipe.  This in turn
requires re-implementing Host::Pipe on Windows using native OS
handles instead of the more portable _pipe CRT api.

Reviewed by: Greg Clayton
Differential Revision: http://reviews.llvm.org/D5679

llvm-svn: 219339
2014-10-08 20:38:41 +00:00
Zachary Turner 93a66fc13a Move ConnectionFileDescriptor to platform-specific Host directory.
As part of getting ConnectionFileDescriptor working on Windows,
there is going to be alot of platform specific work to be done.
As a result, the implementation is moving into Host.  This patch
performs the code move and fixes up call-sites appropriately.

Reviewed by: Greg Clayton
Differential Revision: http://reviews.llvm.org/D5548

llvm-svn: 219143
2014-10-06 21:22:36 +00:00
Zachary Turner c76a445279 Fixup some minor issues with HostProcess.
llvm-svn: 218684
2014-09-30 16:56:40 +00:00
Todd Fiala cacde7df6d Enable llgs to build against experimental Android AOSP lldb/llvm/clang/compiler-rt repos.
See http://reviews.llvm.org/D5495 for more details.

These are changes that are part of an effort to support building llgs, within the AOSP source tree, using the Android.mk
build system, when using the llvm/clang/lldb git repos from AOSP replaced with the experimental ones currently in
github.com/tfiala/aosp-{llvm,clang,lldb,compiler-rt}.

llvm-svn: 218568
2014-09-27 16:54:22 +00:00
Zachary Turner acee96ae52 Fix up the HostThread interface, making the interface simpler.
Reviewed by: Greg Clayton
Differential Revision: http://reviews.llvm.org/D5417

llvm-svn: 218325
2014-09-23 18:32:09 +00:00
Zachary Turner d40077839b Add missing constructor definition.
llvm-svn: 217634
2014-09-11 22:42:58 +00:00
Zachary Turner f5e4f37cb6 Update HostProcess to use the same facade pattern as HostThread.
llvm-svn: 217632
2014-09-11 22:22:16 +00:00
Zachary Turner 39de311071 Create a HostThread abstraction.
This patch moves creates a thread abstraction that represents a
thread running inside the LLDB process.  This is a replacement for
otherwise using lldb::thread_t, and provides a platform agnostic
interface to managing these threads.

Differential Revision: http://reviews.llvm.org/D5198

Reviewed by: Jim Ingham

llvm-svn: 217460
2014-09-09 20:54:56 +00:00
Keno Fischer 15d5e2b4d8 Fix configure & make build with python disabled
This makes sure that nothing that requires Python is being built
when the LLDB_DISABLE_PYTHON flag is being passed in.
It also changes a use of CPPFLAGS to CPP.Flags since the former is overridden
when external flags are passed in while the later is not. I'm not sure exactly
why LLDB_DISABLE_PYTHON is in CXXFLAGS rather than CPPFLAGS,
but cleaning that up is for another commit.

Differential Revision: http://reviews.llvm.org/D4918

llvm-svn: 217414
2014-09-09 04:52:37 +00:00
Zachary Turner 0b9bab48bb Fix linker error due to missing static variable instantiation.
llvm-svn: 216612
2014-08-27 20:44:26 +00:00
Zachary Turner 4e82ec9caa Create a HostProcess class.
This is a lightweight wrapper around a pid.  It is intended to be
lightweight enough to serve as a replacement anywhere we currently
store a pid.  It provides convenience methods and common process
operations.

This patch does not yet make use of HostProcess anywhere.

llvm-svn: 216607
2014-08-27 20:15:30 +00:00
Greg Clayton 0d8400c89c Change back all paths returns for lldb::PathType enumerations from HostInfo::GetLLDBPath() to return the directories in the FileSpec.m_directory field to match previous implementations. This change previously broke some path stuff in upstream branches.
llvm-svn: 216398
2014-08-25 18:21:06 +00:00
Zachary Turner a21fee0ee4 Move the rest of the HostInfo functions over.
This should bring HostInfo up to 99% completion.  The remainder
of code in Host will be split into instantiatable classes
representing host processes, threads, dynamic libraries, and
process launching strategies.

llvm-svn: 216230
2014-08-21 21:49:24 +00:00
Zachary Turner e47ffc3b42 Fix compile error on Linux due to previous commit.
llvm-svn: 216227
2014-08-21 21:02:47 +00:00
Zachary Turner b245ecac79 Move GetUsername and GetGroupname to HostInfoPosix
llvm-svn: 216210
2014-08-21 20:02:17 +00:00
Zachary Turner 42ff0ad882 Move Host::GetLLDBPath to HostInfo.
This continues the effort to get Host code moved over to HostInfo,
and removes many more instances of preprocessor defines along the
way.

llvm-svn: 216195
2014-08-21 17:29:12 +00:00
Zachary Turner 97a14e60b2 Move some Host logic into HostInfo class.
This patch creates a HostInfo class, a static class used to answer
basic queries about the host platform.  As part of this change,
some functionality is moved from Host to HostInfo, and relevant
fixups are performed in the rest of the codebase.

This is part of a larger effort to isolate more code in the Host
layer into platform-specific groups, to make it easier to make
platform specific changes for a particular Host without breaking
other hosts.

Reviewed by: Greg Clayton

Differential Revision: http://reviews.llvm.org/D4963

llvm-svn: 215992
2014-08-19 17:18:29 +00:00
Zachary Turner 4ec5d0d0e1 In the CMake build, convert lldbHost to be a single static library.
Previously lldbHost was built as multiple static libraries such as
lldbHostCommon, lldbHostLinux, etc.  With this patch, the CMake
build produces only a single static library, lldbHost, whose file
set is dynamically created based on the platform.

llvm-svn: 215792
2014-08-15 23:50:36 +00:00
Zachary Turner 3c19a6ac48 Try to fix the Make build
llvm-svn: 215782
2014-08-15 22:50:48 +00:00
Zachary Turner c00cf4a068 Move FileSystem functions out of Host and into their own classes.
More specifically, this change can be summarized as follows:
1) Makes an lldbHostPosix library which contains code common to
   all posix platforms.
2) Creates Host/FileSystem.h which defines a common FileSystem
   interface.
3) Implements FileSystem.h in Host/windows and Host/posix.
4) Creates Host/FileCache.h, implemented in Host/common, which
   defines a class useful for storing handles to open files needed
   by the debugger.

Differential Revision: http://reviews.llvm.org/D4889

llvm-svn: 215775
2014-08-15 22:04:21 +00:00
Greg Clayton 2bddd3442f Patch from Jay Cornwall that modifies the LLDB "Host" layer to reuse more
code between linux, darwin and BSD.

llvm-svn: 113263
2010-09-07 20:11:56 +00:00
Greg Clayton 54512bd6c9 Fixed a case where we might be able to acquire a mutex with a try lock and
not release it by making sure a mutex locker object is appropriately used.

llvm-svn: 112996
2010-09-03 19:15:43 +00:00
Greg Clayton c982c768d2 Merged Eli Friedman's linux build changes where he added Makefile files that
enabled LLVM make style building and made this compile LLDB on Mac OS X. We
can now iterate on this to make the build work on both linux and macosx.

llvm-svn: 108009
2010-07-09 20:39:50 +00:00
Greg Clayton 7a47bd9f02 Move posix specific files into posix subdirectory so they can
be shared with linux.

Updated Xcode project.

llvm-svn: 105928
2010-06-14 04:30:13 +00:00