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* Replace auto -> llvm::Optional<uint64_t>Adrian Prantl2019-01-151-1/+2
| | | | | | This addresses post-commit feedback for https://reviews.llvm.org/D56688 llvm-svn: 351237
* Make CompilerType::getBitSize() / getByteSize() return an optional result. NFCAdrian Prantl2019-01-151-4/+4
| | | | | | | | | | | | | | | | | | | | | | | The code in LLDB assumes that CompilerType and friends use the size 0 as a sentinel value to signal an error. This works for C++, where no zero-sized type exists, but in many other programming languages (including I believe C) types of size zero are possible and even common. This is a particular pain point in swift-lldb, where extra code exists to double-check that a type is *really* of size zero and not an error at various locations. To remedy this situation, this patch starts by converting CompilerType::getBitSize() and getByteSize() to return an optional result. To avoid wasting space, I hand-rolled my own optional data type assuming that no type is larger than what fits into 63 bits. Follow-up patches would make similar changes to the ValueObject hierarchy. rdar://problem/47178964 Differential Revision: https://reviews.llvm.org/D56688 llvm-svn: 351214
* [SymbolFile] Remove SymbolContext parameter from FindTypes.Zachary Turner2019-01-142-4/+2
| | | | | | | | | | | | | | This parameter was only ever used with the Module set, and since a SymbolFile is tied to a module, the parameter turns out to be entirely unnecessary. Furthermore, it doesn't make a lot of sense to ask a caller to ask SymbolFile which is tied to Module X to find types for Module Y, but that possibility was open with the previous interface. By removing this parameter from the API, it makes it harder to use incorrectly as well as easier for an implementor to understand what it needs to do. llvm-svn: 351133
* Introduce SymbolFileBreakpad and use it to fill symtabPavel Labath2019-01-111-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This commit adds the glue code necessary to integrate the SymbolFileBreakpad into the plugin system. Most of the methods are stubbed out. The only method implemented method is AddSymbols, which parses the PUBLIC "section" of the breakpad "object file", and fills out the Module's symtab. To enable testing this, I've made two additional changes: - dump Symtab from the SymbolVendor class. The symtab was already being dumped as a part of the object file dump, but that happened before symbol vendor kicked in, so it did not reflect any symbols added there. - add ability to explicitly specify the external symbol file in lldb-test (so that the object file could be linked with the breakpad symbol file). To make things simpler, I've changed lldb-test from consuming multiple inputs (and dumping their symbols) to having it just process a single file per invocation. This was not a problem since everyone was using it that way already. Reviewers: clayborg, zturner, lemo, markmentovai, amccarth Subscribers: mgorny, lldb-commits Differential Revision: https://reviews.llvm.org/D56173 llvm-svn: 350924
* [CMake] Python bindings generation polishingStefan Granitz2019-01-041-7/+12
| | | | | | | | | | | | | | | | | Summary: Simplify SWIG invocation and handling of generated files. The `swig_wrapper` target can generate `LLDBWrapPython.cpp` and `lldb.py` in its own binary directory, so we can get rid of a few global variables and their logic. We can use the swig_wrapper's BINARY_DIR target property to refer to it and liblldb's LIBRARY_OUTPUT_DIRECTORY to refer to the framework/shared object output directory. Reviewers: JDevlieghere, aprantl, stella.stamenova, beanz, zturner, xiaobai Reviewed By: aprantl Subscribers: mgorny, lldb-commits, #lldb Differential Revision: https://reviews.llvm.org/D55332 llvm-svn: 350393
* [CMake] Revised LLDB.framework buildsStefan Granitz2019-01-041-29/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Add features to LLDB CMake builds that have so far only been available in Xcode. Clean up a few inconveniences and prepare further improvements. Options: * `LLDB_FRAMEWORK_BUILD_DIR` determines target directory (in build-tree) * `LLDB_FRAMEWORK_INSTALL_DIR` **only** determines target directory in install-tree * `LLVM_EXTERNALIZE_DEBUGINFO` allows externalized debug info (dSYM on Darwin, emitted to `bin`) * `LLDB_FRAMEWORK_TOOLS` determines which executables will be copied to the framework's Resources (dropped symlinking, removed INCLUDE_IN_SUITE, removed dummy targets) Other changes: * clean up `add_lldb_executable()` * include `LLDBFramework.cmake` from `source/API/CMakeLists.txt` * use `*.plist.in` files, which are typical for CMake and independent from Xcode * add clang headers to the framework bundle Reviewers: xiaobai, JDevlieghere, aprantl, davide, beanz, stella.stamenova, clayborg, labath Reviewed By: aprantl Subscribers: friss, mgorny, lldb-commits, #lldb Differential Revision: https://reviews.llvm.org/D55328 llvm-svn: 350391
* [lldb] Add a "display-recognized-arguments" target setting to show ↵Kuba Mracek2018-12-202-10/+19
| | | | | | | | recognized arguments by default Differential Revision: https://reviews.llvm.org/D55954 llvm-svn: 349856
* [API] Remove redundants get() from smart pointers. NFCJonas Devlieghere2018-12-2021-104/+97
| | | | | | | Removes redundant calls to ::get() from smart pointers in the source/API directory.. llvm-svn: 349821
* Replace MemoryRegionInfoSP with values and cleanup related codeTatyana Krasnukha2018-12-202-39/+39
| | | | | | Differential Revision: https://reviews.llvm.org/D55472 llvm-svn: 349766
* [lldb] Retrieve currently handled Obj-C exception via ↵Kuba Mracek2018-12-201-2/+1
| | | | | | | | | | | | __cxa_current_exception_type and add GetCurrentExceptionBacktrace SB ABI This builds on https://reviews.llvm.org/D43884 and https://reviews.llvm.org/D43886 and extends LLDB support of Obj-C exceptions to also look for a "current exception" for a thread in the C++ exception handling runtime metadata (via call to __cxa_current_exception_type). We also construct an actual historical SBThread/ThreadSP that contains frames from the backtrace in the Obj-C exception object. The high level goal this achieves is that when we're already crashed (because an unhandled exception occurred), we can still access the exception object and retrieve the backtrace from the throw point. In Obj-C, this is particularly useful because a catch+rethrow is very common and in those cases you currently don't have any access to the throw point backtrace. Differential Revision: https://reviews.llvm.org/D44072 llvm-svn: 349718
* Simplify Boolean expressionsJonas Devlieghere2018-12-1510-29/+26
| | | | | | | | | | | This patch simplifies boolean expressions acorss LLDB. It was generated using clang-tidy with the following command: run-clang-tidy.py -checks='-*,readability-simplify-boolean-expr' -format -fix $PWD Differential revision: https://reviews.llvm.org/D55584 llvm-svn: 349215
* Move Broadcaster+Listener+Event combo from Core into UtilityPavel Labath2018-12-145-6/+6
| | | | | | | | | | | | | | | | | | Summary: These are general purpose "utility" classes, whose functionality is not debugger-specific in any way. As such, I believe they belong in the Utility module. This doesn't break any particular dependency (yet), but it reduces the number of Core dependencies across the board. Reviewers: zturner, jingham, teemperor, clayborg Subscribers: mgorny, lldb-commits Differential Revision: https://reviews.llvm.org/D55361 llvm-svn: 349157
* Add missing Initialize/Terminate for Architecture pluginsTatyana Krasnukha2018-12-131-0/+6
| | | | llvm-svn: 349036
* Rename ObjectFile::GetHeaderAddress to GetBaseAddressPavel Labath2018-12-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Summary: This function was named such because in the case of MachO files, the mach header is located at this address. However all (most?) usages of this function were not interested in that fact, but the fact that this address is used as the base address for expressing various relative addresses in the object file. For other object file formats, this name is not appropriate (and it's probably the reason why this function was not implemented in these classes). In the ELF case the ELF header will usually end up at this address, but this is a result of the linker optimizing the file layout and not a requirement of the spec. For COFF files, I believe the is no header located at this address either. Reviewers: clayborg, jasonmolenda, amccarth, lemo, stella.stamenova Subscribers: lldb-commits Differential Revision: https://reviews.llvm.org/D55422 llvm-svn: 348849
* Re-commit "Introduce ObjectFileBreakpad"Pavel Labath2018-12-101-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This re-commits r348592, which was reverted due to a failing test on macos. The issue was that I was passing a null pointer for the "CreateMemoryInstance" callback when registering ObjectFileBreakpad, which caused crashes when attemping to load modules from memory. The correct thing to do is to pass a callback which always returns a null pointer (as breakpad files are never loaded in inferior memory). It turns out that there is only one test which exercises this code path, and it's mac-only, so I've create a new test which should run everywhere (except windows, as one cannot delete an executable which is being run). Unfortunately, this test still fails on linux for other reasons, but at least it gives us something to aim for. The original commit message was: This patch adds the scaffolding necessary for lldb to recognise symbol files generated by breakpad. These (textual) files contain just enough information to be able to produce a backtrace from a crash dump. This information includes: - UUID, architecture and name of the module - line tables - list of symbols - unwind information A minimal breakpad file could look like this: MODULE Linux x86_64 0000000024B5D199F0F766FFFFFF5DC30 a.out INFO CODE_ID 00000000B52499D1F0F766FFFFFF5DC3 FILE 0 /tmp/a.c FUNC 1010 10 0 _start 1010 4 4 0 1014 5 5 0 1019 5 6 0 101e 2 7 0 PUBLIC 1010 0 _start STACK CFI INIT 1010 10 .cfa: $rsp 8 + .ra: .cfa -8 + ^ STACK CFI 1011 $rbp: .cfa -16 + ^ .cfa: $rsp 16 + STACK CFI 1014 .cfa: $rbp 16 + Even though this data would normally be considered "symbol" information, in the current lldb infrastructure it is assumed every SymbolFile object is backed by an ObjectFile instance. So, in order to better interoperate with the rest of the code (particularly symbol vendors). In this patch I just parse the breakpad header, which is enough to populate the UUID and architecture fields of the ObjectFile interface. The rough plan for followup patches is to expose the individual parts of the breakpad file as ObjectFile "sections", which can then be used by other parts of the codebase (SymbolFileBreakpad ?) to vend the necessary information. Reviewers: clayborg, zturner, lemo, amccarth Subscribers: mgorny, fedor.sergeev, markmentovai, lldb-commits Differential Revision: https://reviews.llvm.org/D55214 llvm-svn: 348773
* Revert "Introduce ObjectFileBreakpad"Shafik Yaghmour2018-12-071-3/+0
| | | | | | | | This reverts commit 5e056e624cc57bb22a4c29a70b522783c6242293. Reverting because this lldb cmake bot: http://lab.llvm.org:8080/green/view/LLDB/job/lldb-cmake/13712/ llvm-svn: 348629
* Introduce ObjectFileBreakpadPavel Labath2018-12-071-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This patch adds the scaffolding necessary for lldb to recognise symbol files generated by breakpad. These (textual) files contain just enough information to be able to produce a backtrace from a crash dump. This information includes: - UUID, architecture and name of the module - line tables - list of symbols - unwind information A minimal breakpad file could look like this: MODULE Linux x86_64 0000000024B5D199F0F766FFFFFF5DC30 a.out INFO CODE_ID 00000000B52499D1F0F766FFFFFF5DC3 FILE 0 /tmp/a.c FUNC 1010 10 0 _start 1010 4 4 0 1014 5 5 0 1019 5 6 0 101e 2 7 0 PUBLIC 1010 0 _start STACK CFI INIT 1010 10 .cfa: $rsp 8 + .ra: .cfa -8 + ^ STACK CFI 1011 $rbp: .cfa -16 + ^ .cfa: $rsp 16 + STACK CFI 1014 .cfa: $rbp 16 + Even though this data would normally be considered "symbol" information, in the current lldb infrastructure it is assumed every SymbolFile object is backed by an ObjectFile instance. So, in order to better interoperate with the rest of the code (particularly symbol vendors). In this patch I just parse the breakpad header, which is enough to populate the UUID and architecture fields of the ObjectFile interface. The rough plan for followup patches is to expose the individual parts of the breakpad file as ObjectFile "sections", which can then be used by other parts of the codebase (SymbolFileBreakpad ?) to vend the necessary information. Reviewers: clayborg, zturner, lemo, amccarth Subscribers: mgorny, fedor.sergeev, markmentovai, lldb-commits Differential Revision: https://reviews.llvm.org/D55214 llvm-svn: 348592
* [Reproducers] Change how reproducers are initialized.Jonas Devlieghere2018-12-035-16/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes the way the reproducer is initialized. Rather than making changes at run time we now do everything at initialization time. To make this happen we had to introduce initializer options and their SB variant. This allows us to tell the initializer that we're running in reproducer capture/replay mode. Because of this change we also had to alter our testing strategy. We cannot reinitialize LLDB when using the dotest infrastructure. Instead we use lit and invoke two instances of the driver. Another consequence is that we can no longer enable capture or replay through commands. This was bound to go away form the beginning, but I had something in mind where you could enable/disable specific providers. However this seems like it adds very little value right now so the corresponding commands were removed. Finally this change also means you now have to control this through the driver, for which I replaced --reproducer with --capture and --replay to differentiate between the two modes. Differential revision: https://reviews.llvm.org/D55038 llvm-svn: 348152
* [Target] Do not skip a stop on a breakpoint if a plan was completedAleksandr Urakov2018-11-301-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This patch fixes the next situation. On Windows clang-cl makes no stub before the main function, so the main function is located exactly on module entry point. May be it is the same on other platforms. So consider the following sequence: - set a breakpoint on main and stop there; - try to evaluate expression, which requires a code execution on the debuggee side. Such an execution always returns to the module entry, and the plan waits for it there; - the plan understands that it is complete now and removes its breakpoint. But the breakpoint site is still there, because we also have a breakpoint on entry; - StopInfo analyzes a situation. It sees that we have stopped on the breakpoint site, and it sees that the breakpoint site has owners, and no one logical breakpoint is internal (because the plan is already completed and it have removed its breakpoint); - StopInfo thinks that it's a user breakpoint and skips it to avoid recursive computations; - the program continues. So in this situation the program continues without a stop right after the expression evaluation. To avoid this an additional check that the plan was completed was added. Reviewers: jingham, zturner, boris.ulasevich Reviewed by: jingham Tags: #lldb Differential Revision: https://reviews.llvm.org/D53761 llvm-svn: 347974
* [lldb] Add GetCurrentException APIs to SBThread, add frame recognizer for ↵Kuba Mracek2018-11-281-0/+15
| | | | | | | | | | | | | | objc_exception_throw for Obj-C runtimes This adds new APIs and a command to deal with exceptions (mostly Obj-C exceptions): SBThread and Thread get GetCurrentException API, which returns an SBValue/ValueObjectSP with the current exception for a thread. "Current" means an exception that is currently being thrown, caught or otherwise processed. In this patch, we only know about the exception when in objc_exception_throw, but subsequent patches will expand this (and add GetCurrentExceptionBacktrace, which will return an SBThread/ThreadSP containing a historical thread backtrace retrieved from the exception object. Currently unimplemented, subsequent patches will implement this). Extracting the exception from objc_exception_throw is implemented by adding a frame recognizer. This also add a new sub-command "thread exception", which prints the current exception. Differential Revision: https://reviews.llvm.org/D43886 llvm-svn: 347813
* [Reproducers] Improve reproducer API and add unit tests.Jonas Devlieghere2018-11-271-3/+9
| | | | | | | | | | | | | | | | | | | When I landed the initial reproducer framework I knew there were some things that needed improvement. Rather than bundling it with a patch that adds more functionality I split it off into this patch. I also think the API is stable enough to add unit testing, which is included in this patch as well. Other improvements include: - Refactor how we initialize the loader and generator. - Improve naming consistency: capture and replay seems the least ambiguous. - Index providers by name and make sure there's only one of each. - Add convenience methods for creating and accessing providers. Differential revision: https://reviews.llvm.org/D54616 llvm-svn: 347716
* Add setting to require hardware breakpoints.Jonas Devlieghere2018-11-153-52/+147
| | | | | | | | | | | | | | | | When debugging read-only memory we cannot use software breakpoint. We already have support for hardware breakpoints and users can specify them with `-H`. However, there's no option to force LLDB to use hardware breakpoints internally, for example while stepping. This patch adds a setting target.require-hardware-breakpoint that forces LLDB to always use hardware breakpoints. Because hardware breakpoints are a limited resource and can fail to resolve, this patch also extends error handling in thread plans, where breakpoints are used for stepping. Differential revision: https://reviews.llvm.org/D54221 llvm-svn: 346920
* Add GDB remote packet reproducer.Jonas Devlieghere2018-11-131-0/+11
| | | | llvm-svn: 346780
* Re-land "Extract construction of DataBufferLLVM into FileSystem"Jonas Devlieghere2018-11-121-2/+1
| | | | | | This fixes some UB in isLocal detected by the sanitized bot. llvm-svn: 346707
* Revert "Extract construction of DataBufferLLVM into FileSystem"Davide Italiano2018-11-121-1/+2
| | | | | | It broke the lldb sanitizer bots. llvm-svn: 346694
* Remove header grouping comments.Jonas Devlieghere2018-11-118-30/+0
| | | | | | | | This patch removes the comments grouping header includes. They were added after running IWYU over the LLDB codebase. However they add little value, are often outdates and burdensome to maintain. llvm-svn: 346626
* Remove comments after header includes.Jonas Devlieghere2018-11-112-2/+2
| | | | | | | | | | This patch removes the comments following the header includes. They were added after running IWYU over the LLDB codebase. However they add little value, are often outdates and burdensome to maintain. Differential revision: https://reviews.llvm.org/D54385 llvm-svn: 346625
* Extract construction of DataBufferLLVM into FileSystemJonas Devlieghere2018-11-101-2/+1
| | | | | | | | | | This moves construction of data buffers into the FileSystem class. Like some of the previous refactorings we don't translate the path yet because the functionality hasn't been landed in LLVM yet. Differential revision: https://reviews.llvm.org/D54272 llvm-svn: 346598
* [FileSystem] Add convenience method to check for directories.Jonas Devlieghere2018-11-081-1/+1
| | | | | | | | | | | Replace calls to LLVM's is_directory with calls to LLDB's FileSytem class. For this I introduced a new convenience method that, like the other methods, takes either a path or filespec. This still uses the LLVM functions under the hood. Differential revision: https://reviews.llvm.org/D54135 llvm-svn: 346375
* Remove OCaml debugger pluginJonas Devlieghere2018-11-051-6/+0
| | | | | | | | | | | | | | | | | | | In January Davide sent an e-mail to the mailing list to suggest removing unmaintained language plugins such as Go and Java. The plan was to have some cool down period to allow users to speak up, however after that the plugins were never actually removed. This patch removes the OCaml debugger plugin. The plugin can be added again in the future if it is mature enough both in terms of testing and maintenance commitment. Discussion on the mailing list: http://lists.llvm.org/pipermail/lldb-dev/2018-January/013171.html Differential revision: https://reviews.llvm.org/D54060 llvm-svn: 346159
* Remove Java debugger pluginJonas Devlieghere2018-11-051-9/+0
| | | | | | | | | | | | | | | | | | | In January Davide sent an e-mail to the mailing list to suggest removing unmaintained language plugins such as Go and Java. The plan was to have some cool down period to allow users to speak up, however after that the plugins were never actually removed. This patch removes the Java debugger plugin. The plugin can be added again in the future if it is mature enough both in terms of testing and maintenance commitment. Discussion on the mailing list: http://lists.llvm.org/pipermail/lldb-dev/2018-January/013171.html Differential revision: https://reviews.llvm.org/D54059 llvm-svn: 346158
* Remove Go debugger pluginJonas Devlieghere2018-11-051-12/+1
| | | | | | | | | | | | | | | | | | | In January Davide sent an e-mail to the mailing list to suggest removing unmaintained language plugins such as Go and Java. The plan was to have some cool down period to allow users to speak up, however after that the plugins were never actually removed. This patch removes the Go debugger plugin. The plugin can be added again in the future if it is mature enough both in terms of testing and maintenance commitment. Discussion on the mailing list: http://lists.llvm.org/pipermail/lldb-dev/2018-January/013171.html Differential revision: https://reviews.llvm.org/D54057 llvm-svn: 346157
* Add an SBExpressionOptions setting mirroring the "exec" command's --allow-jit.Jim Ingham2018-11-021-0/+9
| | | | | | | | <rdar://problem/44809176> Differential Revision: https://reviews.llvm.org/D54056 llvm-svn: 346053
* [FileSystem] Open File instances through the FileSystem.Jonas Devlieghere2018-11-021-2/+3
| | | | | | | | | | | This patch modifies how we open File instances in LLDB. Rather than passing a path or FileSpec to the constructor, we now go through the virtual file system. This is needed in order to make things work with the VFS in the future. Differential revision: https://reviews.llvm.org/D54020 llvm-svn: 346049
* [FileSystem] Move path resolution logic out of FileSpecJonas Devlieghere2018-11-019-43/+43
| | | | | | | | | This patch removes the logic for resolving paths out of FileSpec and updates call sites to rely on the FileSystem class instead. Differential revision: https://reviews.llvm.org/D53915 llvm-svn: 345890
* [FileSystem] Remove Exists() from FileSpecJonas Devlieghere2018-11-012-2/+2
| | | | | | | | | This patch removes the Exists method from FileSpec and updates its uses with calls to the FileSystem. Differential revision: https://reviews.llvm.org/D53845 llvm-svn: 345854
* [FileSystem] Remove ResolveExecutableLocation() from FileSpecJonas Devlieghere2018-11-011-1/+2
| | | | | | | | | This patch removes the ResolveExecutableLocation method from FileSpec and updates its uses with calls to the FileSystem. Differential revision: https://reviews.llvm.org/D53834 llvm-svn: 345853
* [FileSystem] Remove GetPermissions() and Readable() from FileSpecJonas Devlieghere2018-11-011-1/+1
| | | | | | | | | This patch removes the GetPermissions and GetReadable methods from FileSpec and updates its uses with calls to the FileSystem. Differential revision: https://reviews.llvm.org/D53831 llvm-svn: 345843
* [lldb] Introduce StackFrameRecognizer [take 3]Kuba Mracek2018-10-313-8/+51
| | | | | | | | This patch introduces a concept of "frame recognizer" and "recognized frame". This should be an extensible mechanism that retrieves information about special frames based on ABI, arguments or other special properties of that frame, even without source code. A few examples where that could be useful could be 1) objc_exception_throw, where we'd like to get the current exception, 2) terminate_with_reason and extracting the current terminate string, 3) recognizing Objective-C frames and automatically extracting the receiver+selector, or perhaps all arguments (based on selector). Differential Revision: https://reviews.llvm.org/D44603 llvm-svn: 345693
* Revert r345686 due to build failuresKuba Mracek2018-10-313-51/+8
| | | | llvm-svn: 345688
* [lldb] Introduce StackFrameRecognizer [take 2]Kuba Mracek2018-10-313-8/+51
| | | | | | | | This patch introduces a concept of "frame recognizer" and "recognized frame". This should be an extensible mechanism that retrieves information about special frames based on ABI, arguments or other special properties of that frame, even without source code. A few examples where that could be useful could be 1) objc_exception_throw, where we'd like to get the current exception, 2) terminate_with_reason and extracting the current terminate string, 3) recognizing Objective-C frames and automatically extracting the receiver+selector, or perhaps all arguments (based on selector). Differential Revision: https://reviews.llvm.org/D44603 llvm-svn: 345686
* Revert r345678 (build failure on Linux machines).Kuba Mracek2018-10-313-51/+8
| | | | llvm-svn: 345680
* [lldb] Introduce StackFrameRecognizerKuba Mracek2018-10-313-8/+51
| | | | | | | | This patch introduces a concept of "frame recognizer" and "recognized frame". This should be an extensible mechanism that retrieves information about special frames based on ABI, arguments or other special properties of that frame, even without source code. A few examples where that could be useful could be 1) objc_exception_throw, where we'd like to get the current exception, 2) terminate_with_reason and extracting the current terminate string, 3) recognizing Objective-C frames and automatically extracting the receiver+selector, or perhaps all arguments (based on selector). Differential Revision: https://reviews.llvm.org/D44603 llvm-svn: 345678
* Don't type-erase the FunctionNameType or TypeClass enums.Zachary Turner2018-10-253-39/+49
| | | | | | | | | | This is similar to D53597, but following up with 2 more enums. After this, all flag enums should be strongly typed all the way through to the symbol files plugins. Differential Revision: https://reviews.llvm.org/D53616 llvm-svn: 345314
* Don't type-erase the SymbolContextItem enumeration.Zachary Turner2018-10-254-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When we get the `resolve_scope` parameter from the SB API, it's a `uint32_t`. We then pass it through all of LLDB this way, as a uint32. This is unfortunate, because it means the user of an API never actually knows what they're dealing with. We can call it something like `resolve_scope` and have comments saying "this is a value from the `SymbolContextItem` enumeration, but it makes more sense to just have it actually *be* the correct type in the actual C++ type system to begin with. This way the person reading the code just knows what it is. The reason to use integers instead of enumerations for flags is because when you do bitwise operations on enumerations they get promoted to integers, so it makes it tedious to constantly be casting them back to the enumeration types, so I've introduced a macro to make this happen magically. By writing LLDB_MARK_AS_BITMASK_ENUM after defining an enumeration, it will define overloaded operators so that the returned type will be the original enum. This should address all the mechanical issues surrounding using rich enum types directly. This way, we get a better debugger experience, and new users to the codebase can get more easily acquainted with the codebase because their IDE features can help them understand what the types mean. Differential Revision: https://reviews.llvm.org/D53597 llvm-svn: 345313
* [API] Extend the `SBThreadPlan` interfaceAleksandr Urakov2018-10-251-0/+10
| | | | | | | | | | | | | | | | | | Summary: This patch extends the `SBThreadPlan` to allow retrieving of thread plans for scripted steps. Reviewers: labath, zturner, jingham Reviewed By: jingham Subscribers: lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D53361 llvm-svn: 345247
* Upstreaming the BridgeOS device support and the Jason Molenda2018-10-111-0/+3
| | | | | | | | | | | | | | | LC_BUILD_VERSION load command handling - this commit is a combination of patches by Adrian Prantl and myself. llvm::Triple::BridgeOS isn't defined yet, so all references to that are currently commented out. Also update Xcode project file to build the NativePDB etc plugins. <rdar://problem/43353615> llvm-svn: 344209
* Add support for artificial tail call framesVedant Kumar2018-10-051-0/+15
| | | | | | | | | | | | | | | | This patch teaches lldb to detect when there are missing frames in a backtrace due to a sequence of tail calls, and to fill in the backtrace with artificial tail call frames when this happens. This is only done when the execution history can be determined from the call graph and from the return PC addresses of calls on the stack. Ambiguous sequences of tail calls (e.g anything involving tail calls and recursion) are detected and ignored. Depends on D49887. Differential Revision: https://reviews.llvm.org/D50478 llvm-svn: 343900
* Add EchoCommentCommands to CommandInterpreterRunOptions in addition to the ↵Stefan Granitz2018-10-051-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | existing EchoCommands and expose both as interpreter settings. Summary: Add settings to control command echoing: ``` (lldb) settings set interpreter.echo-commands true (lldb) settings set interpreter.echo-comment-commands true ``` Both settings default to true, which keeps LLDB's existing behavior in non-interactive mode (echo all command inputs to the output). So far the only way to change this behavior was the `--source-quietly` flag, which disables all output including evaluation results. Now `echo-commands` allows to turn off echoing for commands, while evaluation results are still printed. No effect if `--source-quietly` was present. `echo-comment-commands` allows to turn off echoing for commands in case they are pure comment lines. No effect if `echo-commands` is false. Note that the behavior does not change immediately! The new settings take effect only with the next command source. LLDB lit test are the main motivation for this feature. So far incoming `#CHECK` line have always been echoed to the output and so they could never fail. Now we can disable it in lit-lldb-init. Todos: Finish test for this feature. Add to lit-lldb-init. Check for failing lit tests. Reviewers: aprantl, jasonmolenda, JDevlieghere Subscribers: friss, lldb-commits Differential Revision: https://reviews.llvm.org/D52788 llvm-svn: 343859
* [SBAPI/Target] Expose SetStatistics(bool enable)/GetStatistics().Davide Italiano2018-09-281-0/+15
| | | | | | <rdar://problem/44875808> llvm-svn: 343368
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