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* Replace Execution Engine's mutex with std::recursive_mutex.Zachary Turner2014-06-18
| | | | | | | | | | | | | This change has a bit of a trickle down effect due to the fact that there are a number of derived implementations of ExecutionEngine, and that the mutex is not tightly encapsulated so is used by other classes directly. Reviewed by: rnk Differential Revision: http://reviews.llvm.org/D4196 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211214 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up some unnecessary mutex guards.Zachary Turner2014-06-16
| | | | | | | | | | | | | | | These were being used as unreferenced parameters to enforce that the methods must not be called without holding a mutex, but all of the methods in question were internal, and the methods were only exposed through an interface whose entire purpose was to serialize access to these structures, so expecting the methods to be accessed under a mutex is reasonable enough. Reviewed by: blaikie Differential Revision: http://reviews.llvm.org/D4162 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211054 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use 'using std::error_code' in include/llvm.Rafael Espindola2014-06-12
| | | | | | This should make sure that most new uses use the std prefix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210835 91177308-0d34-0410-b5e6-96231b3b80d8
* ExecutionEngine: avoid NDEBUG in headersAlp Toker2014-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209981 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MSVC build broken by r207580David Blaikie2014-04-29
| | | | | | | | Seems MSVC wants to be able to codegen inline-definitions of virtual functions even in TUs that don't define the key function - and it's well within its rights to do so. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207581 91177308-0d34-0410-b5e6-96231b3b80d8
* PR19553: Memory leak in RuntimeDyldELF::createObjectImageFromFileDavid Blaikie2014-04-29
| | | | | | | | | | | | | | | | This starts in MCJIT::getSymbolAddress where the unique_ptr<object::Binary> is release()d and (after a cast) passed to a single caller, MCJIT::addObjectFile. addObjectFile calls RuntimeDyld::loadObject. RuntimeDld::loadObject calls RuntimeDyldELF::createObjectFromFile And the pointer is never owned at this point. I say this point, because the alternative codepath, RuntimeDyldMachO::createObjectFile certainly does take ownership, so this seemed like a good hint that this was a/the right place to take ownership. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207580 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++] Use 'nullptr'.Craig Topper2014-04-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207083 91177308-0d34-0410-b5e6-96231b3b80d8
* Object: iterator_range accessors for ObjectImage symbols and sections.Jim Grosbach2014-04-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206767 91177308-0d34-0410-b5e6-96231b3b80d8
* [ExecutionEngine] Allow JIT clients to enable/disable module verification.Lang Hames2014-04-18
| | | | | | | | | | | | | | Previously module verification was always enabled, with no way to turn it off. As of this commit, module verification is on by default in Debug builds, and off by default in release builds. The default behaviour can be overridden by calling setVerifyModules(bool) on the JIT instance (this works for both the old JIT, and MCJIT). <rdar://problem/16150008> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206561 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++11] More 'nullptr' conversion. In some cases just using a boolean check ↵Craig Topper2014-04-15
| | | | | | instead of comparing to nullptr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206252 91177308-0d34-0410-b5e6-96231b3b80d8
* [MCJIT] Check if there have been errors during RuntimeDyld execution.Juergen Ributzka2014-03-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204837 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an option to MCJIT to have it forward all sections to theLang Hames2014-03-20
| | | | | | | | | | | | | | | | | | | | | | | | RTDyldMemoryManager, regardless of whether it thinks they're "required for execution". Currently, RuntimeDyld only passes sections that are "required for execution" to the RTDyldMemoryManager, and takes "required for execution" to mean exactly "contains symbols or relocations". There are two problems with this: (1) It can drop sections with anonymous data that is referenced by code. (2) It leaves the JIT client no way to inspect interesting sections that aren't actually required to run the program (e.g dwarf sections). A test case is still in the works. Future work: We may want to replace this with a generic section filtering mechanism, but that will require more consideration. For now, this flag at least allows clients to volunteer to do the filtering themselves. Fixes <rdar://problem/15177691>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204398 91177308-0d34-0410-b5e6-96231b3b80d8
* Untabify.NAKAMURA Takumi2014-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204020 91177308-0d34-0410-b5e6-96231b3b80d8
* [C++11] Add 'override' keyword to virtual methods that override their base ↵Craig Topper2014-03-08
| | | | | | class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203344 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace OwningPtr<T> with std::unique_ptr<T>.Ahmed Charles2014-03-06
| | | | | | | | | | This compiles with no changes to clang/lld/lldb with MSVC and includes overloads to various functions which are used by those projects and llvm which have OwningPtr's as parameters. This should allow out of tree projects some time to move. There are also no changes to libs/Target, which should help out of tree targets have time to move, if necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203083 91177308-0d34-0410-b5e6-96231b3b80d8
* [Layering] Move DebugLoc.h into the IR library. The implementationChandler Carruth2014-03-05
| | | | | | | | | | | already lived there and it is where it belongs -- this is the in-memory debug location representation. This is just cleanup -- Modules can actually cope with this, but that doesn't make it right. After chatting with folks that have out-of-tree stuff, going ahead and moving the rest of the headers seems preferable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202960 91177308-0d34-0410-b5e6-96231b3b80d8
* [Modules] Move ValueMap to the IR library. While this class does notChandler Carruth2014-03-04
| | | | | | | | | | | | directly care about the Value class (it is templated so that the key can be any arbitrary Value subclass), it is in fact concretely tied to the Value class through the ValueHandle's CallbackVH interface which relies on the key type being some Value subclass to establish the value handle chain. Ironically, the unittest is already in the right library. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202824 91177308-0d34-0410-b5e6-96231b3b80d8
* [Modules] Move ValueHandle into the IR library where Value itself lives.Chandler Carruth2014-03-04
| | | | | | | | | | | Move the test for this class into the IR unittests as well. This uncovers that ValueMap too is in the IR library. Ironically, the unittest for ValueMap is useless in the Support library (honestly, so was the ValueHandle test) and so it already lives in the IR unittests. Mmmm, tasty layering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202821 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename some member variables from TD to DL.Rafael Espindola2014-02-18
| | | | | | TargetData was renamed DataLayout back in r165242. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201581 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend RTDyld API to enable optionally precomputing the total amount of memoryLang Hames2014-02-12
| | | | | | | | | | | | | | | | | | | | required for all sections in a module. This can be useful when targets or code-models place strict requirements on how sections must be laid out in memory. If RTDyldMemoryManger::needsToReserveAllocationSpace() is overridden to return true then the JIT will call the following method on the memory manager, which can be used to preallocate the necessary memory. void RTDyldMemoryManager::reserveAllocationSpace(uintptr_t CodeSize, uintptr_t DataSizeRO, uintptr_t DataSizeRW) Patch by Vaidas Gasiunas. Thanks very much Viadas! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201259 91177308-0d34-0410-b5e6-96231b3b80d8
* Add target analysis passes to the codegen pipeline for MCJIT.Juergen Ributzka2014-01-23
| | | | | | | | | | | This patch adds the target analysis passes (usually TargetTransformInfo) to the codgen pipeline. We also expose now the AddAnalysisPasses method through the C API, because the optimizer passes would also benefit from better target-specific cost models. Reviewed by Andrew Kaylor git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199926 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply r196639: Add support for archives and object file caching under MCJIT.Lang Hames2014-01-08
| | | | | | | | | | I believe the bot failures on linux systems were due to overestimating the alignment of object-files within archives, which are only guaranteed to be two-byte aligned. I have reduced the alignment in RuntimeDyldELF::createObjectImageFromFile accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198737 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-sort all of the includes with ./utils/sort_includes.py so thatChandler Carruth2014-01-07
| | | | | | | | | | subsequent changes are easier to review. About to fix some layering issues, and wanted to separate out the necessary churn. Also comment and sink the include of "Windows.h" in three .inc files to match the usage in Memory.inc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198685 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace cleanups.NAKAMURA Takumi2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196654 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r196639 while I investigate a bot failure.Lang Hames2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196641 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for archives and object file caching under MCJIT.Lang Hames2013-12-07
| | | | | | | | Patch by Andy Kaylor, with minor edits to resolve merge conflicts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196639 91177308-0d34-0410-b5e6-96231b3b80d8
* [weak vtables] Remove a bunch of weak vtablesJuergen Ributzka2013-11-19
| | | | | | | | | | | | This patch removes most of the trivial cases of weak vtables by pinning them to a single object file. The memory leaks in this version have been fixed. Thanks Alexey for pointing them out. Differential Revision: http://llvm-reviews.chandlerc.com/D2068 Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r194865 and r194874.Alexey Samsonov2013-11-18
| | | | | | | | | | | | | This change is incorrect. If you delete virtual destructor of both a base class and a subclass, then the following code: Base *foo = new Child(); delete foo; will not cause the destructor for members of Child class. As a result, I observe plently of memory leaks. Notable examples I investigated are: ObjectBuffer and ObjectBufferStream, AttributeImpl and StringSAttributeImpl. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194997 91177308-0d34-0410-b5e6-96231b3b80d8
* [weak vtables] Remove a bunch of weak vtablesJuergen Ributzka2013-11-15
| | | | | | | | | | | This patch removes most of the trivial cases of weak vtables by pinning them to a single object file. Differential Revision: http://llvm-reviews.chandlerc.com/D2068 Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194865 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimizing MCJIT module state trackingAndrew Kaylor2013-10-24
| | | | | | | | | Patch co-developed with Yaron Keren. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193291 91177308-0d34-0410-b5e6-96231b3b80d8
* Improving MCJIT/RuntimeDyld thread safetyAndrew Kaylor2013-10-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193094 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding support for deregistering EH frames with MCJIT.Andrew Kaylor2013-10-16
| | | | | | | | Patch by Yaron Keren git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192753 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding multiple object support to MCJIT EH frame handlingAndrew Kaylor2013-10-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192504 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Rafael Espindola2013-10-07
| | | | | | | | | Support for exception handling in the legacy JIT was removed in r181354 and this code was dead since then. Thanks to Yaron Keren for noticing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192101 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding support and tests for multiple module handling in lliAndrew Kaylor2013-10-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191938 91177308-0d34-0410-b5e6-96231b3b80d8
* This threads SectionName through the allocateCodeSection/allocateDataSection ↵Filip Pizlo2013-10-02
| | | | | | | | | | | | | | | | | | | | APIs, both in C++ and C land. It's useful for the memory managers that are allocating a section to know what the name of the section is. At a minimum, this is useful for low-level debugging - it's customary for JITs to be able to tell you what memory they allocated, and as part of any such dump, they should be able to tell you some meta-data about what each allocation is for. This allows clients that supply their own memory managers to do this. Additionally, we also envision the SectionName being useful for passing meta-data from within LLVM to an LLVM client. This changes both the C and C++ APIs, and all of the clients of those APIs within LLVM. I'm assuming that it's safe to change the C++ API because that API is allowed to change. I'm assuming that it's safe to change the C API because we haven't shipped the API in a release yet (LLVM 3.3 doesn't include the MCJIT memory management C API). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191804 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding multiple module support for MCJIT.Andrew Kaylor2013-10-01
| | | | | | | | | | Tests to follow. PIC with small code model and EH frame handling will not work with multiple modules. There are also some rough edges to be smoothed out for remote target support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191722 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix include guards.Jakub Staszak2013-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188841 91177308-0d34-0410-b5e6-96231b3b80d8
* Revising the MCJIT ObjectCache interface to allow subclasses to avoid ↵Andrew Kaylor2013-06-28
| | | | | | retaining references to returned objects git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185221 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass a StringRef to sys::identifyFileType.Rafael Espindola2013-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183669 91177308-0d34-0410-b5e6-96231b3b80d8
* Expose the RTDyldMemoryManager through the C API. This allows clients of Filip Pizlo2013-05-22
| | | | | | | | | | the C API to provide their own way of allocating JIT memory (both code and data) and finalizing memory permissions (page protections, cache flush). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182448 91177308-0d34-0410-b5e6-96231b3b80d8
* Put RTDyldMemoryManager into its own file, and make it linked into Filip Pizlo2013-05-21
| | | | | | | | | | | | | | | | | | | | libExecutionEngine. Move method implementations that aren't specific to allocation out of SectionMemoryManager and into RTDyldMemoryManager. This is in preparation for exposing RTDyldMemoryManager through the C API. This is a fixed version of r182407 and r182411. That first revision broke builds because I forgot to move the conditional includes of various POSIX headers from SectionMemoryManager into RTDyldMemoryManager. Those includes are necessary because of how getPointerToNamedFunction works around the glibc libc_nonshared.a thing. The latter revision still broke things because I forgot to include llvm/Config/config.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182418 91177308-0d34-0410-b5e6-96231b3b80d8
* Roll out r182411 and 182412 because it's still broken.Filip Pizlo2013-05-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182415 91177308-0d34-0410-b5e6-96231b3b80d8
* Put RTDyldMemoryManager into its own file, and make it linked into Filip Pizlo2013-05-21
| | | | | | | | | | | | | | | | | | libExecutionEngine. Move method implementations that aren't specific to allocation out of SectionMemoryManager and into RTDyldMemoryManager. This is in preparation for exposing RTDyldMemoryManager through the C API. This is a fixed version of r182407. That revision broke builds because I forgot to move the conditional includes of various POSIX headers from SectionMemoryManager into RTDyldMemoryManager. Those includes are necessary because of how getPointerToNamedFunction works around the glibc libc_nonshared.a thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182411 91177308-0d34-0410-b5e6-96231b3b80d8
* Roll out r182407 and r182408 because they broke builds.Filip Pizlo2013-05-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182409 91177308-0d34-0410-b5e6-96231b3b80d8
* Expose the RTDyldMemoryManager through the C API. This allows clients of Filip Pizlo2013-05-21
| | | | | | | | | | the C API to provide their own way of allocating JIT memory (both code and data) and finalizing memory permissions (page protections, cache flush). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182408 91177308-0d34-0410-b5e6-96231b3b80d8
* Put RTDyldMemoryManager into its own file, and make it linked into Filip Pizlo2013-05-21
| | | | | | | | | | | | libExecutionEngine. Move method implementations that aren't specific to allocation out of SectionMemoryManager and into RTDyldMemoryManager. This is in preparation for exposing RTDyldMemoryManager through the C API. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182407 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor changes to the MCJITTest unittests to use the correct API for finalizingDavid Tweed2013-05-17
| | | | | | | | the JIT object (including XFAIL an ARM test that now needs fixing). Also renames internal function for consistency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182085 91177308-0d34-0410-b5e6-96231b3b80d8
* SectionMemoryManager shouldn't be a JITMemoryManager. Previously, the Filip Pizlo2013-05-14
| | | | | | | | | | | | | | | | | | | EngineBuilder interface required a JITMemoryManager even if it was being used to construct an MCJIT. But the MCJIT actually wants a RTDyldMemoryManager. Consequently, the SectionMemoryManager, which is meant for MCJIT, derived from the JITMemoryManager and then stubbed out a bunch of JITMemoryManager methods that weren't relevant to the MCJIT. This patch fixes the situation: it teaches the EngineBuilder that RTDyldMemoryManager is a supertype of JITMemoryManager, and that it's appropriate to pass a RTDyldMemoryManager instead of a JITMemoryManager if we're using the MCJIT. This allows us to remove the stub methods from SectionMemoryManager, and make SectionMemoryManager a direct subtype of RTDyldMemoryManager. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181820 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove exception handling support from the old JIT.Rafael Espindola2013-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181354 91177308-0d34-0410-b5e6-96231b3b80d8
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