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* Change ProcessGDBRemote last stop packet to a container.Ewan Crawford2015-05-271-1/+1
| | | | | | | | | | | | | | | In ProcessGDBRemote we currently have a single packet, m_last_stop_packet, used to set the thread stop info. However in non-stop mode we can receive several stop reply packets in a sequence for different threads. As a result we need to use a container to hold them before they are processed. This patch also changes the return type of CheckPacket() so we can detect async notification packets. Reviewers: clayborg Subscribers: labath, ted, deepak2427, lldb-commits Differential Revision: http://reviews.llvm.org/D9853 llvm-svn: 238323
* Did some cleanup to stop us from leaking Pipe file descriptors.Greg Clayton2015-05-231-3/+3
| | | | | | | | | | The main issue was the Communication::Disconnect() was calling its Connection::Disconnect() but this wouldn't release the pipes that the ConnectionFileDescriptor was using. We also have someone that is holding a strong reference to the Process so that when you re-run, target replaces its m_process_sp, but it doesn't get destructed because someone has a strong reference to it. I need to track that down. But, even if we have a strong reference to the a process that is outstanding, we need to call Process::Finalize() to have it release as much of its resources as possible to avoid memory bloat. Removed the ProcessGDBRemote::SetExitStatus() override and replaced it with ProcessGDBRemote::DidExit(). Now we aren't leaking file descriptors and the stand alone test suite should run much better. llvm-svn: 238089
* Remove DoAttachToProcessWithId(lldb::pid_t).Zachary Turner2015-05-131-3/+0
| | | | | | | | | | There were two versions of DoAttachToprocessWithId. One that takes a pid_t, and the other which takes a pid_t and a ProcessAttachInfo. There were no callers of the former version, and all of the implementations of this version were simply forwarding calls to one version or the other. llvm-svn: 237281
* Remote Non-Stop SupportEwan Crawford2015-05-131-0/+4
| | | | | | | | | | | | | | | | | | | | Summary: This patch is the beginnings of support for Non-stop mode in the remote protocol. Letting a user examine stopped threads, while other threads execute freely. Non-stop mode is enabled using the setting target.non-stop-mode, which sends a QNonStop packet when establishing the remote connection. Changes are also made to treat the '?' stop reply packet differently in non-stop mode, according to spec https://sourceware.org/gdb/current/onlinedocs/gdb/Remote-Non_002dStop.html#Remote-Non_002dStop. A setting for querying the remote for default thread on setup is also included. Handling of '%' async notification packets will be added next. Reviewers: clayborg Subscribers: lldb-commits, ADodds, ted, deepak2427 Differential Revision: http://reviews.llvm.org/D9656 llvm-svn: 237239
* This patch allows LLDB to use the $qXfer:Libraries: packet.Aidan Dodds2015-05-081-3/+15
| | | | | | Differential Revision: http://reviews.llvm.org/D9471 llvm-svn: 236817
* Adds lldb support for querying the register mapping from gdbserver remote ↵Colin Riley2015-04-161-0/+4
| | | | | | | | targets using qXfer:features:read packet. Only enabled if libxml2 enabled in build. Differential Revision: http://reviews.llvm.org/D8999 llvm-svn: 235109
* Move several plugin to its own namespaceTamas Berghammer2015-03-311-72/+75
| | | | | | | | | | | | | Affected paths: * Plugins/Platform/Android/* * Plugins/Platform/Linux/* * Plugins/Platform/gdb-server/* * Plugins/Process/Linux/* * Plugins/Process/gdb-remote/* Differential revision: http://reviews.llvm.org/D8654 llvm-svn: 233679
* Fetch module specification from remote process alsoTamas Berghammer2015-03-241-0/+5
| | | | | | | | | | | | | Previously the remote module sepcification was fetched only from the remote platform. With this CL if we have a remote process then we ask it if it have any information from a given module. It is required because on android the dynamic linker only reports the name of the SO file and the platform can't always find it without a full path (the process can do it based on /proc/<pid>/maps). Differential revision: http://reviews.llvm.org/D8547 llvm-svn: 233061
* Remove virtual and add override to all virtual functions in Process/gdb-remote.Tamas Berghammer2015-03-231-41/+41
| | | | llvm-svn: 232952
* Remove ScriptInterpreterObject.Zachary Turner2015-03-171-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | This removes ScriptInterpreterObject from the codebase completely. Places that used to rely on ScriptInterpreterObject now use StructuredData::Object and its derived classes. To support this, a new type of StructuredData object is introduced, called StructuredData::Generic, which stores a void*. Internally within the python library, StructuredPythonObject subclasses this StructuredData::Generic class so that it can addref and decref the python object on construction and destruction. Additionally, all of the classes in PythonDataObjects.h such as PythonList, PythonDictionary, etc now provide a method to create an instance of the corresponding StructuredData type. For example, there is PythonDictionary::CreateStructuredDictionary. To eliminate dependencies on PythonDataObjects for external callers, all ScriptInterpreter methods now return only StructuredData classes The rest of the changes in this CL are focused on fixing up users of PythonDataObjects classes to use the new StructuredData classes. llvm-svn: 232534
* Fix a bunch of [-Werror,-Winconsistent-missing-override] errors.Eric Christopher2014-11-041-42/+42
| | | | llvm-svn: 221231
* use std::atomic<> to protect variables being accessed by multiple threadsTodd Fiala2014-09-151-1/+1
| | | | | | | | | | There are several places where multiple threads are accessing the same variables simultaneously without any kind of protection. I propose using std::atomic<> to make it safer. I did a special build of lldb, using the google tool 'thread sanitizer' which identified many cases of multiple threads accessing the same memory. std::atomic is low overhead and does not use any locks for simple types such as int/bool. See http://reviews.llvm.org/D5302 for more details. Change by Shawn Best. llvm-svn: 217818
* Create a HostThread abstraction.Zachary Turner2014-09-091-9/+2
| | | | | | | | | | | | | 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
* Consolidate UnixSignals setting/getting in Process.Todd Fiala2014-08-291-5/+1
| | | | | | | | | | | | | | | | See http://reviews.llvm.org/D5108 for details. This change does the following: * eliminates the Process::GetUnixSignals() virtual method and replaces with a fixed getter. * replaces the Process UnixSignals storage with a shared pointer. * adds a Process constructor variant that can be passed the UnixSignalsSP. When the constructor without the UnixSignalsSP is specified, the Host's default UnixSignals is used. * adds a host-specific version of GetUnixSignals() that is used when we need the host's appropriate UnixSignals variant. * replaces GetUnixSignals() overrides in PlatformElfCore, ProcessGDBRemote, ProcessFreeBSD and ProcessLinux with code that appropriately sets the Process::UnixSignals for the process. This change also enables some future patches that will enable llgs to be used for local Linux debugging. llvm-svn: 216748
* After you attach, give the process plugin a chance to report back (throughJim Ingham2014-08-021-2/+2
| | | | | | | | DidAttach) the architecture of the binary you attached to. <rdar://problem/17891396> llvm-svn: 214603
* Add lldb-gdbserver support for Linux x86_64.Todd Fiala2014-06-301-3/+8
| | | | | | | | | | | | | | | | | | | | | This change brings in lldb-gdbserver (llgs) specifically for Linux x86_64. (More architectures coming soon). Not every debugserver option is covered yet. Currently the lldb-gdbserver command line can start unattached, start attached to a pid (process-name attach not supported yet), or accept lldb attaching and launching a process or connecting by process id. The history of this large change can be found here: https://github.com/tfiala/lldb/tree/dev-tfiala-native-protocol-linux-x86_64 Until mid/late April, I was not sharing the work and continued to rebase it off of head (developed via id tfiala@google.com). I switched over to user todd.fiala@gmail.com in the middle, and once I went to github, I did merges rather than rebasing so I could share with others. llvm-svn: 212069
* Initial merge of some of the iOS 8 / Mac OS X Yosemite specificJason Molenda2014-06-131-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lldb support. I'll be doing more testing & cleanup but I wanted to get the initial checkin done. This adds a new SBExpressionOptions::SetLanguage API for selecting a language of an expression. I added adds a new SBThread::GetInfoItemByPathString for retriving information about a thread from that thread's StructuredData. I added a new StructuredData class for representing key-value/array/dictionary information (e.g. JSON formatted data). Helper functions to read JSON and create a StructuredData object, and to print a StructuredData object in JSON format are included. A few Cocoa / Cocoa Touch data formatters were updated by Enrico to track changes in iOS 8 / Yosemite. Before we query a thread's extended information, the system runtime may provide hints to the remote debug stub that it will use to retrieve values out of runtime structures. I added a new SystemRuntime method AddThreadExtendedInfoPacketHints which allows the SystemRuntime to add key-value type data to the initial request that we send to the remote stub. The thread-format formatter string can now retrieve values out of a thread's extended info structured data. The default thread-format string picks up two of these - thread.info.activity.name and thread.info.trace_messages. I added a new "jThreadExtendedInfo" packet in debugserver; I will add documentation to the lldb-gdb-remote.txt doc soon. It accepts JSON formatted arguments (most importantly, "thread":threadnum) and it returns a variety of information regarding the thread to lldb in JSON format. This JSON return is scanned into a StructuredData object that is associated with the thread; UI layers can query the thread's StructuredData to see if key-values are present, and if so, show them to the user. These key-values are likely to be specific to different targets with some commonality among many targets. For instance, many targets will be able to advertise the pthread_t value for a thread. I added an initial rough cut of "thread info" command which will print the information about a thread from the jThreadExtendedInfo result. I need to do more work to make this format reasonably. Han Ming added calls into the pmenergy and pmsample libraries if debugserver is run on Mac OS X Yosemite to get information about the inferior's power use. I added support to debugserver for gathering the Genealogy information about threads, if it exists, and returning it in the jThreadExtendedInfo JSON result. llvm-svn: 210874
* Change ProcessGDBRemote::DoReadMemory to use the x packet to readJason Molenda2014-05-061-1/+8
| | | | | | | | | | | | | | | | data if it is available. Change ProcessGDBRemote's maximum read/write packet size from a fixed 512 byte value to asking the remote gdb stub what its maximum is, using up to 128kbyte sizes if that's allowed, and falling back to 512 if the remote gdb stub doesn't advertise a max packet size. Add a new "process plugin packet xfer-size" command that can be used to override the maximum packet size (although not exceeding any packet size maximum published by the remote gdb stub). <rdar://problem/16032150> llvm-svn: 208058
* lldb arm64 import.Jason Molenda2014-03-291-1/+3
| | | | | | | | | | | | | | | | These changes were written by Greg Clayton, Jim Ingham, Jason Molenda. It builds cleanly against TOT llvm with xcodebuild. I updated the cmake files by visual inspection but did not try a build. I haven't built these sources on any non-Mac platforms - I don't think this patch adds any code that requires darwin, but please let me know if I missed something. In debugserver, MachProcess.cpp and MachTask.cpp were renamed to MachProcess.mm and MachTask.mm as they picked up some new Objective-C code needed to launch processes when running on iOS. llvm-svn: 205113
* Add ProcessGDBRemote::GetAuxvData() and fix multiple-packet concatenation ↵Steve Pucci2014-03-041-0/+3
| | | | | | | | | | for binary data. ProcessGDBRemote::GetAuxvData obtains the auxv from a remote gdbserver (via a binary-data packet), and returns the data as a DataBufferSP. The patch includes a small fix to GDBRemoteCommunicationClient::SendPacketsAndConcatenateResponses() to support binary file format packet returns (by not assuming each binary packet is a null-terminated string when concatenating them). llvm-svn: 202907
* Merging the iohandler branch back into main. Greg Clayton2014-01-271-8/+0
| | | | | | | | | | | | The many many benefits include: 1 - Input/Output/Error streams are now handled as real streams not a push style input 2 - auto completion in python embedded interpreter 3 - multi-line input for "script" and "expression" commands now allow you to edit previous/next lines using up and down arrow keys and this makes multi-line input actually a viable thing to use 4 - it is now possible to use curses to drive LLDB (please try the "gui" command) We will need to deal with and fix any buildbot failures and tests and arise now that input/output and error are correctly hooked up in all cases. llvm-svn: 200263
* Remove wait_for_launch parameter from DoAttachToProcessWithName(). This ↵Jean-Daniel Dupas2013-12-231-1/+0
| | | | | | | | | | parameter is redundant as this information is already provided by the ProcessAttachInfo parameter. CC: lldb-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2463 llvm-svn: 197923
* Remove 'const' constraint on ProcessLaunchInfo parameter in Process::DoLaunch().Jean-Daniel Dupas2013-12-091-1/+1
| | | | | | This 'const' is not required and prevent us to defer the launch to the Host layer. llvm-svn: 196837
* Switch local launching of debugserver over to always use a FIFO in order to ↵Greg Clayton2013-12-041-4/+1
| | | | | | | | | | handshake with the launched debugserver. This helps ensure that the launched debugserver is ready and listening for a connection. Prior to this we had a race condition. Consolidate the launching of debugserver into a single place: a static function in GDBRemoteCommunication. llvm-svn: 196401
* Expose SBPlatform through the public API.Greg Clayton2013-11-201-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Example code: remote_platform = lldb.SBPlatform("remote-macosx"); remote_platform.SetWorkingDirectory("/private/tmp") debugger.SetSelectedPlatform(remote_platform) connect_options = lldb.SBPlatformConnectOptions("connect://localhost:1111"); err = remote_platform.ConnectRemote(connect_options) if err.Success(): print >> result, 'Connected to remote platform:' print >> result, 'hostname: %s' % (remote_platform.GetHostname()) src = lldb.SBFileSpec("/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework", False) dst = lldb.SBFileSpec() # copy src to platform working directory since "dst" is empty err = remote_platform.Install(src, dst); if err.Success(): print >> result, '%s installed successfully' % (src) else: print >> result, 'error: failed to install "%s": %s' % (src, err) Implemented many calls needed in lldb-platform to be able to install a directory that contains symlinks, file and directories. The remote lldb-platform can now launch GDB servers on the remote system so that remote debugging can be spawned through the remote platform when connected to a remote platform. The API in SBPlatform is subject to change and will be getting many new functions. llvm-svn: 195273
* Adjust PC after hitting breakpoint on remote target.Hafiz Abid Qadeer2013-10-181-0/+1
| | | | | | | | This commit adds an example python file that can be used with 'target-definition-file' setting for Linux gdbserver. This file has an extra key 'breakpoint-pc-offset' that LLDB uses to determine how much to change the PC after hitting the breakpoint. llvm-svn: 192962
* Move the code which translates a dispatch_qaddr into aJason Molenda2013-10-181-1/+0
| | | | | | | | | | | | queue name out of ProcessGDBRemote and in to the Platform plugin, specifically PlatformDarwin. Also add a Platform method to translate a dispatch_quaddr to a QueueID, and a Thread::GetQueueID(). I'll add an SBThread::GetQueueID() next. llvm-svn: 192949
* <rdar://problem/14972424>Greg Clayton2013-10-151-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When debugging with the GDB remote in LLDB, LLDB uses special packets to discover the registers on the remote server. When those packets aren't supported, LLDB doesn't know what the registers look like. This checkin implements a setting that can be used to specify a python file that contains the registers definitions. The setting is: (lldb) settings set plugin.process.gdb-remote.target-definition-file /path/to/module.py Inside module there should be a function: def get_dynamic_setting(target, setting_name): This dynamic setting function is handed the "target" which is a SBTarget, and the "setting_name", which is the name of the dynamic setting to retrieve. For the GDB remote target definition the setting name is 'gdb-server-target-definition'. The return value is a dictionary that follows the same format as the OperatingSystem plugins follow. I have checked in an example file that implements the x86_64 GDB register set for people to see: examples/python/x86_64_target_definition.py This allows LLDB to debug to any archticture that is support and allows users to define the registers contexts when the discovery packets (qRegisterInfo, qHostInfo) are not supported by the remote GDB server. A few benefits of doing this in Python: 1 - The dynamic register context was already supported in the OperatingSystem plug-in 2 - Register contexts can use all of the LLDB enumerations and definitions for things like lldb::Format, lldb::Encoding, generic register numbers, invalid registers numbers, etc. 3 - The code that generates the register context can use the program to calculate the register context contents (like offsets, register numbers, and more) 4 - True dynamic detection could be used where variables and types could be read from the target program itself in order to determine which registers are available since the target is passed into the python function. This is designed to be used instead of XML since it is more dynamic and code flow and functions can be used to make the dictionary. llvm-svn: 192646
* MingW compilation (windows). Includes various refactoring to improve ↵Virgile Bello2013-08-231-1/+1
| | | | | | portability. llvm-svn: 189107
* <rdar://problem/13793059>Greg Clayton2013-07-151-0/+3
| | | | | | | | | | | Added a setting to control timeout for kdp response packets. While I was at it, I also added a way to control the response timeout for gdb-remote packets. KDP defaults to 5 seconds, and GDB defaults to 1 second. These were the default values that were in the code prior to adding these settings. (lldb) settings set plugin.process.gdb-remote.packet-timeout 10 (lldb) settings set plugin.process.kdp-remote.packet-timeout 10 llvm-svn: 186360
* Added a test case that verifies that LLDB can debug across a process ↵Greg Clayton2013-05-211-8/+1
| | | | | | | | exec'ing itself into a new program. This currently is only enabled for Darwin since we exec from 64 bit to 32 bit and vice versa for 'x86_64' targets. This can easily be adapted for linux and other platforms, but I didn't want to break any buildbots by assuming it will work. llvm-svn: 182428
* Update ProcessKDP and ProcessMachCore to use ConstString pluginJason Molenda2013-05-111-1/+1
| | | | | | | | | | names when specifying the DynamicLoaderDarwinKernel. ProcessGDBRemote wasn't setting the dyld string any more; remove the remaining code tracking the dyld plugin name altogether from that process plugin. llvm-svn: 181658
* <rdar://problem/13854277>Greg Clayton2013-05-101-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | <rdar://problem/13594769> Main changes in this patch include: - cleanup plug-in interface and use ConstStrings for plug-in names - Modfiied the BSD Archive plug-in to be able to pick out the correct .o file when .a files contain multiple .o files with the same name by using the timestamp - Modified SymbolFileDWARFDebugMap to properly verify the timestamp on .o files it loads to ensure we don't load updated .o files and cause problems when debugging The plug-in interface changes: Modified the lldb_private::PluginInterface class that all plug-ins inherit from: Changed: virtual const char * GetPluginName() = 0; To: virtual ConstString GetPluginName() = 0; Removed: virtual const char * GetShortPluginName() = 0; - Fixed up all plug-in to adhere to the new interface and to return lldb_private::ConstString values for the plug-in names. - Fixed all plug-ins to return simple names with no prefixes. Some plug-ins had prefixes and most ones didn't, so now they all don't have prefixed names, just simple names like "linux", "gdb-remote", etc. llvm-svn: 181631
* Recommitting r180831 with trivial fix - remember to return errors if you ↵Jim Ingham2013-05-021-1/+1
| | | | | | compute. llvm-svn: 180898
* Reverting 180831 as it crashes TestDefaultConstructorForAPIObjects.pyDaniel Malea2013-05-011-1/+1
| | | | llvm-svn: 180868
* Added an option to "process detach" to keep the process stopped, if the ↵Jim Ingham2013-04-301-1/+1
| | | | | | | | | | process plugin (or in the case of ProcessGDBRemote the stub we are talking to) know how to do that. rdar://problem/13680832 llvm-svn: 180831
* Rationalize how we do Halt-ing before Destroy and Detach.Jim Ingham2013-03-291-8/+3
| | | | | | <rdar://problem/13527167> llvm-svn: 178325
* A little cleanup. {Disable/Enable}Breakpoint actually disables/enables ↵Jim Ingham2013-02-151-2/+2
| | | | | | | | | BreakpointSites not breakpoints, it is confusing to have it not named appropriately. Also in StopInfoMachException, we aren't testing for software or not software, just whether the thing is a breakpoint we set. So don't use "software"... llvm-svn: 175241
* <rdar://problem/12491235> Jason Molenda2013-01-301-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | Enhance lldb so it can search for a kernel in memory when attaching to a remote system. Remove some of the code that was doing this from ProcessMachCore and ProcessGDBRemote and put it in DynamicLoaderDarwinKernel. I've added a new setting, plugin.dynamic-loader.darwin-kernel.scan-type which can be set to none - for environments where reading random memory can cause a device crash basic - look at one fixed location in memory for a kernel load address, plus the contents of that address fast-scan - the default, tries "basic" and then looks for the kernel's mach header near the current pc value when lldb connects exhaustive-scan - on 32-bit targets, step through the entire range where the kernel can be loaded, looking for the kernel binary I don't have the setting set up correctly right now, I'm getting back unexpected values from the Property system, but I'll figure that out tomorrow and fix. Besides that, all of the different communication methods / types of kernels appear to be working correctly with these changes. llvm-svn: 173891
* Adding events when watchpoints are set or changed.Jim Ingham2012-12-181-2/+2
| | | | | | <rdar://problem/11597849> llvm-svn: 170400
* <rdar://problem/12649160>Greg Clayton2012-12-051-0/+3
| | | | | | Added the ability to debug through your process exec'ing itself to the same architecture. llvm-svn: 169340
* There seems to be some odd corner case where we shut down the ↵Jim Ingham2012-11-011-0/+9
| | | | | | | | ProcessGDBRemote, but we haven't managed to shut down the async thread. That causes the ProcessGDBRemote::AsyncThread to crash when it wakes up. So I changed StartAsyncThread and StopAsyncThread to be callable multiple times (only the first one does anything) so that we can just shut it down unequivocally in the ProcessGDBRemote destructor. <rdar://problem/12602981> llvm-svn: 167197
* <rdar://problem/12491387>Greg Clayton2012-10-131-2/+3
| | | | | | | | | | | I added the ability for a process plug-in to implement custom commands. All the lldb_private::Process plug-in has to do is override: virtual CommandObject * GetPluginCommandObject(); This object returned should be a multi-word command that vends LLDB commands. There is a sample implementation in ProcessGDBRemote that is hollowed out. It is intended to be used for sending a custom packet, though the body of the command execute function has yet to be implemented! llvm-svn: 165861
* The kernel loading code is now isolated in the DynamicLoaderDarwinKernel;Jason Molenda2012-10-031-4/+6
| | | | | | | | | | remove the duplicates of this code in ProcessGDBRemote and ProcessKDP. These two Process plugins will hardcode their DynamicLoader name to be the DynamicLoaderDarwinKernel so the correct DynamicLoader is picked, and return the kernel load address as the ImageInfosAddress. <rdar://problem/12417038> llvm-svn: 165080
* Add the RelocateOrLoadKernel and LoadKernel methods to ↵Jason Molenda2012-09-291-0/+7
| | | | | | | | | | | | | | ProcessGDBRemote::DoRemoteConnect(). When attaching to a remote system that does not look like a typical vendor system, and no executable binary was specified to lldb, check a couple of fixed locations where kernels running in ASLR mode (slid in memory to a random address) store their load addr when booted in debug mode, and relocate the symbols or load the kernel wholesale from the host computer if we can find it. <rdar://problem/7714201> llvm-svn: 164888
* Add support for debugging KASLR kernels via kdp (the kernel beingJason Molenda2012-09-291-1/+1
| | | | | | | | | | | | | | | | | | loaded at a random offset). To get the kernel's UUID and load address I need to send a kdp packet so I had to implement the kernel relocation (and attempt to find the kernel if none was provided to lldb already) in ProcessKDP -- but this code really properly belongs in DynamicLoaderDarwinKernel. I also had to add an optional Stream to ConnectRemote so ProcessKDP::DoConnectRemote can print feedback about the remote kernel's UUID, load address, and notify the user if we auto-loaded the kernel via the UUID. <rdar://problem/7714201> llvm-svn: 164881
* <rdar://problem/11782789> Changes to the watchpoint implementation on ARM so ↵Enrico Granata2012-07-131-0/+3
| | | | | | that we single-step before stopping at the WP. This is necessary because on ARM the WP triggers before the opcode is actually executed, so we would be unable to continue since we would keep hitting the WP. We work around this by disabling the WP, single stepping and then putting the WP back in place. llvm-svn: 160199
* Work around some problems destroying a process with older debugservers.Jim Ingham2012-07-041-0/+1
| | | | | | rdar://problem/11359989 llvm-svn: 159697
* Add the capability to display the number of supported hardware watchpoints ↵Johnny Chen2012-05-231-0/+3
| | | | | | | | | to the "watchpoint list" command. Add default Process::GetWatchpointSupportInfo() impl which returns an error of "not supported". Add "qWatchpointSupportInfo" packet to the gdb communication layer to support this, and modify TestWatchpointCommands.py to test it. llvm-svn: 157345
* <rdar://problem/11240464>Greg Clayton2012-05-151-2/+3
| | | | | | Correctly unique a class' methods when we detect that a class has been uniqued to another. llvm-svn: 156795
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