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2022-01-25[lldb] Make logging machinery type-safePavel Labath
This patch makes use of c++ type checking and scoped enums to make logging statements shorter and harder to misuse. Defines like LIBLLDB_LOG_PROCESS are replaces with LLDBLog::Process. Because it now carries type information we do not need to worry about matching a specific enum value with the right getter function -- the compiler will now do that for us. The main entry point for the logging machinery becomes the GetLog (template) function, which will obtain the correct Log object based on the enum type. It achieves this through another template function (LogChannelFor<T>), which must be specialized for each type, and should return the appropriate channel object. This patch also removes the ability to log a message if multiple categories are enabled simultaneously as it was unused and confusing. This patch does not actually remove any of the existing interfaces. The defines and log retrieval functions are left around as wrappers around the new interfaces. They will be removed in follow-up patch. Differential Revision: https://reviews.llvm.org/D117490
2020-01-24[lldb][NFC] Fix all formatting errors in .cpp file headersRaphael Isemann
Summary: A *.cpp file header in LLDB (and in LLDB) should like this: ``` //===-- TestUtilities.cpp -------------------------------------------------===// ``` However in LLDB most of our source files have arbitrary changes to this format and these changes are spreading through LLDB as folks usually just use the existing source files as templates for their new files (most notably the unnecessary editor language indicator `-*- C++ -*-` is spreading and in every review someone is pointing out that this is wrong, resulting in people pointing out that this is done in the same way in other files). This patch removes most of these inconsistencies including the editor language indicators, all the different missing/additional '-' characters, files that center the file name, missing trailing `===//` (mostly caused by clang-format breaking the line). Reviewers: aprantl, espindola, jfb, shafik, JDevlieghere Reviewed By: JDevlieghere Subscribers: dexonsmith, wuzish, emaste, sdardis, nemanjai, kbarton, MaskRay, atanasyan, arphaman, jfb, abidh, jsji, JDevlieghere, usaxena95, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D73258
2019-01-19Update the file headers across all of the LLVM projects in the monorepoChandler Carruth
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
2017-03-15Remove lldb streams from the Log class completelyPavel Labath
Summary: previously we switched to llvm streams for log output, this completes the switch for the error streams. I also clean up the includes and remove the unused argument from DisableAllLogChannels(). This required adding a bit of boiler plate to convert the output in the command interpreter, but that should go away when we switch command results to use llvm streams as well. Reviewers: zturner, eugene Subscribers: lldb-commits, emaste Differential Revision: https://reviews.llvm.org/D30894 llvm-svn: 297812
2017-02-23Switch "posix" to the new log channel registration mechanismPavel Labath
Summary: This also removes magic rename code, which caused the channel to be called "linux" when built on a linux machine, and "freebsd" when built on a freebsd one, which seems unnecessary - registering a new channel is sufficiently simple now that if we wish to log something extremely os-specific, we can just create a new channel. None of the current categories seem very specific to one OS or another. Reviewers: emaste, krytarowski Subscribers: lldb-commits Differential Revision: https://reviews.llvm.org/D30250 llvm-svn: 295954
2017-02-13Remove some dead code from ProcessPOSIXLogPavel Labath
llvm-svn: 294940
2017-02-10Convert Log class to llvm streamsPavel Labath
Summary: This converts LLDB's logging to use llvm streams instead of lldb_private::Stream and friends. The changes are mostly straight-forward and amount to s/lldb_private::Stream/llvm::raw_ostream. The part worth calling out is the rewrite of the StreamCallback class. Previously this class contained a per-thread buffer of data written. I assume this had something to do with it trying to make sure each log line is delivered as a single event, instead of multiple (possibly interleaved) events. However, this is no longer relevant as the Log class already writes things to a temporary buffer and then delivers the message as a single "write", so I have just removed the code in question. Reviewers: zturner, clayborg Subscribers: emaste, lldb-commits, mgorny Differential Revision: https://reviews.llvm.org/D29615 llvm-svn: 294736
2017-02-06Remove the verbose category in the posix channelPavel Labath
replace by LLDB_LOGV llvm-svn: 294223
2017-02-06Switch std::call_once to llvm::call_onceKamil Rytarowski
Summary: The std::call_once implementation in libstdc++ has problems on few systems: NetBSD, OpenBSD and Linux PPC. LLVM ships with a homegrown implementation llvm::call_once to help on these platforms. This change is required in the NetBSD LLDB port. std::call_once with libstdc++ results with crashing the debugger. Sponsored by <The NetBSD Foundation> Reviewers: labath, joerg, emaste, mehdi_amini, clayborg Reviewed By: labath, clayborg Subscribers: #lldb Tags: #lldb Differential Revision: https://reviews.llvm.org/D29288 llvm-svn: 294202
2016-11-28Fix a crash in ProcessPOSIXLogPavel Labath
We are getting a null pointer for the list of categories here (presumably due to the args refactor). llvm-svn: 288026
2016-09-06*** This commit represents a complete reformatting of the LLDB source codeKate Stone
*** to conform to clang-format’s LLVM style. This kind of mass change has *** two obvious implications: Firstly, merging this particular commit into a downstream fork may be a huge effort. Alternatively, it may be worth merging all changes up to this commit, performing the same reformatting operation locally, and then discarding the merge for this particular commit. The commands used to accomplish this reformatting were as follows (with current working directory as the root of the repository): find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} + find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ; The version of clang-format used was 3.9.0, and autopep8 was 1.2.4. Secondly, “blame” style tools will generally point to this commit instead of a meaningful prior commit. There are alternatives available that will attempt to look through this change and find the appropriate prior commit. YMMV. llvm-svn: 280751
2015-06-24Remove old local-only linux debugging codePavel Labath
Summary: Currently, the local-only path fails about 50% of the tests, which means that: a) nobody is using it; and b) the remote debugging path is much more stable. This commit removes the local-only linux debugging code (ProcessLinux) and makes remote-loopback the only way to debug local applications (the same architecture as OSX). The ProcessPOSIX code is moved to the FreeBSD directory, which is now the only user of this class. Hopefully, FreeBSD will soon move to the new architecture as well and then this code can be removed completely. Test Plan: Test suite passes via remote stub. Reviewers: emaste, vharron, ovyalov, clayborg Subscribers: tberghammer, emaste, lldb-commits Differential Revision: http://reviews.llvm.org/D10661 llvm-svn: 240543
2015-03-11Initialize ProcessGDBRemoteLog for LLGS to fix remote platform loggingRobert Flack
This was previously initialized by ProcessGDBRemote::Initialize but lldb-server does not contain ProcessGDBRemote anymore so this needs to be initialized directly. Differential Revision: http://reviews.llvm.org/D8186 llvm-svn: 231966
2013-07-22Factor out common string match code for POSIX log enable/disableEd Maste
llvm-svn: 186822
2013-03-28Fix the Linux build issues introduced by r178191.Ashok Thirumurthi
- All Linux logging channels now use a single global instance of lldb_private::Log, to handle the case of logging during process tear down. - Also removed a single use of LogSP in FreeBSD and fixed a typo in a comment while reading through ProcessKDPLog. Reviewed by Daniel Malea. llvm-svn: 178242
2012-02-21Linux fix patch from Dmitry Vyukov.Greg Clayton
llvm-svn: 151072
2012-01-05Fix incomplete commit of ↵Johnny Chen
http://llvm.org/viewvc/llvm-project?rev=147609&view=rev: This patch combines common code from Linux and FreeBSD into a new POSIX platform. It also contains fixes for 64bit FreeBSD. The patch is based on changes by Mark Peek <mp@FreeBSD.org> and "K. Macy" <kmacy@freebsd.org> in their github repo located at https://github.com/fbsd/lldb. llvm-svn: 147613