comparison of symbol names.
SymbolStringPool is a thread-safe string pool that will be used in upcoming Orc
APIs to facilitate efficient storage and fast comparison of symbol name strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319839 91177308-0d34-0410-b5e6-96231b3b80d8
concept.
Add a unit-test to make sure we don't backslide, and tweak the MockBaseLayer
utility to make it easier to test this kind of thing in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314374 91177308-0d34-0410-b5e6-96231b3b80d8
This will allow async handlers to be added that return void or Error::success().
Such handlers are expected to be common, since one of the primary uses of
addAsyncHandler is to run the body of the handler in a detached thread, in which
case the main handler returns immediately and does not need to provide an Error
value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312746 91177308-0d34-0410-b5e6-96231b3b80d8
The existing code created a JITSymbol with an invalid materializer instead,
guaranteeing a 'missing symbol' error when someone tried to materialize the
symbol.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312584 91177308-0d34-0410-b5e6-96231b3b80d8
This patch introduces RemoteObjectClientLayer and RemoteObjectServerLayer,
which can be used to forward ORC object-layer operations from a JIT stack in
the client to a JIT stack (consisting only of object-layers) in the server.
This is a new way to support remote-JITing in LLVM. The previous approach
(supported by OrcRemoteTargetClient and OrcRemoteTargetServer) used a
remote-mapping memory manager that sat "beneath" the JIT stack and sent
fully-relocated binary blobs to the server. The main advantage of the new
approach is that relocatable objects can be cached on the server and re-used
(if the code that they represent hasn't changed), whereas fully-relocated blobs
can not (since the addresses they have been permanently bound to will change
from run to run).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312511 91177308-0d34-0410-b5e6-96231b3b80d8
code duplication in the client, and improve error propagation.
This patch moves the OrcRemoteTarget rpc::Function declarations from
OrcRemoteTargetRPCAPI into their own namespaces under llvm::orc::remote so that
they can be used in new contexts (in particular, a remote-object-file adapter
layer that I will commit shortly).
Code duplication in OrcRemoteTargetClient (especially in loops processing the
code, rw-data and ro-data allocations) is removed by moving the loop bodies
into their own functions.
Error propagation is (slightly) improved by adding an ErrorReporter functor to
the OrcRemoteTargetClient -- Errors that can't be returned (because they occur
in destructors, or behind stable APIs that don't provide error returns) can be
sent to the ErrorReporter instead. Some methods in the Client API are also
changed to make better use of the Expected class: returning Expected<T>s rather
than returning Errors and taking T&s to store the results.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312500 91177308-0d34-0410-b5e6-96231b3b80d8
Calling grow may result in an error if, for example, this is a callback
manager for a remote target. We need to be able to return this error to the
callee.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312429 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
If assertions are disabled, but LLVM_ABI_BREAKING_CHANGES is enabled,
this will cause an issue with an unchecked Success. Switching to
consumeError() is the correct way to bypass the check. This patch also
includes disabling 2 tests that can't work without assertions enabled,
since llvm_unreachable() with NDEBUG won't crash.
Reviewers: llvm-commits, lhames
Reviewed By: lhames
Subscribers: lhames, pirama
Differential Revision: https://reviews.llvm.org/D36729
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Summary:
Besides being the better thing to do, not doing so will triggers an assert with LLVM_ENABLE_ABI_BREAKING_CHECKS.
Reviewers: lhames
Reviewed By: lhames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D36700
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310906 91177308-0d34-0410-b5e6-96231b3b80d8
This patch adds support for thumb relocations to RuntimeDyldMachOARM, and adds
a target-specific flags field to JITSymbolFlags (so that on ARM we can record
whether each symbol is Thumb-mode code).
RuntimeDyldImpl::emitSection is modified to ensure that stubs memory is
correctly aligned based on the size returned by getStubAlignment().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310517 91177308-0d34-0410-b5e6-96231b3b80d8
IMHO it is an antipattern to have a enum value that is Default.
At any given piece of code it is not clear if we have to handle
Default or if has already been mapped to a concrete value. In this
case in particular, only the target can do the mapping and it is nice
to make sure it is always done.
This deletes the two default enum values of CodeModel and uses an
explicit Optional<CodeModel> when it is possible that it is
unspecified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309911 91177308-0d34-0410-b5e6-96231b3b80d8
Summary: This information can be useful; and in the case of Win64, necessary for getting exceptions to work in the JIT.
Reviewers: lhames
Reviewed By: lhames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D35102
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This patch updates the ORC layers and utilities to return and propagate
llvm::Errors where appropriate. This is necessary to allow ORC to safely handle
error cases in cross-process and remote JITing.
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Make it usable by any class derived (even indirectly) from
LoadedObjectInfo by allowing a custom base class to be specified and
perfect forwarding to the ctor.
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symbol resolver argument.
De-templatizing the symbol resolver is part of the ongoing simplification of
ORC layer API.
Removing the memory management argument (and delegating construction of memory
managers for RTDyldObjectLinkingLayer to a functor passed in to the constructor)
allows us to build JITs whose base object layers need not be compatible with
RTDyldObjectLinkingLayer's memory mangement scheme. For example, a 'remote
object layer' that sends fully relocatable objects directly to the remote does
not need a memory management scheme at all (that will be handled by the remote).
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Revert "[ORC] Remove redundant semicolons from DEFINE_SIMPLE_CONVERSION_FUNCTIONS uses."
Revert "[ORC] Move ORC IR layer interface from addModuleSet to addModule and fix the module type as std::shared_ptr<Module>."
They broke ExecutionEngine/OrcMCJIT/test-global-ctors.ll on linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306176 91177308-0d34-0410-b5e6-96231b3b80d8
move the ObjectCache from the IRCompileLayer to SimpleCompiler.
This is the first in a series of patches aimed at cleaning up and improving the
robustness and performance of the ORC APIs.
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I did this a long time ago with a janky python script, but now
clang-format has built-in support for this. I fed clang-format every
line with a #include and let it re-sort things according to the precise
LLVM rules for include ordering baked into clang-format these days.
I've reverted a number of files where the results of sorting includes
isn't healthy. Either places where we have legacy code relying on
particular include ordering (where possible, I'll fix these separately)
or where we have particular formatting around #include lines that
I didn't want to disturb in this patch.
This patch is *entirely* mechanical. If you get merge conflicts or
anything, just ignore the changes in this patch and run clang-format
over your #include lines in the files.
Sorry for any noise here, but it is important to keep these things
stable. I was seeing an increasing number of patches with irrelevant
re-ordering of #include lines because clang-format was used. This patch
at least isolates that churn, makes it easy to skip when resolving
conflicts, and gets us to a clean baseline (again).
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frames.
RuntimeDyld was previously responsible for tracking allocated EH frames, but it
makes more sense to have the RuntimeDyld::MemoryManager track them (since the
frames are allocated through the memory manager, and written to memory owned by
the memory manager). This patch moves the frame tracking into
RTDyldMemoryManager, and changes the deregisterFrames method on
RuntimeDyld::MemoryManager from:
void deregisterEHFrames(uint8_t *Addr, uint64_t LoadAddr, size_t Size);
to:
void deregisterEHFrames();
Separating this responsibility will allow ORC to continue to throw the
RuntimeDyld instances away post-link (saving a few dozen bytes per lazy
function) while properly deregistering frames when modules are unloaded.
This patch also updates ORC to call deregisterEHFrames when modules are
unloaded. This fixes a bug where an exception that tears down the JIT can then
unwind through dangling EH frames that have been deallocated but not
deregistered, resulting in UB.
For people using SectionMemoryManager this should be pretty much a no-op. For
people with custom allocators that override registerEHFrames/deregisterEHFrames,
you will now be responsible for tracking allocated EH frames.
Reviewed in https://reviews.llvm.org/D32829
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Currently llvm-rtdyld in -check mode will map sections to back-to-back 4k
aligned slabs starting at 0x1000. Automatically remapping sections by default is
helpful because it quickly exposes relocation bugs due to use of local addresses
rather than load addresses (these would silently pass if the load address was
not remapped). These mappings can be explicitly overridden on a per-section
basis using llvm-rtdlyd's -map-section option. This patch extends this scheme to
also preserve any mappings made by RuntimeDyld itself. Preserving RuntimeDyld's
automatic mappings allows us to write test cases to verify that these automatic
mappings have been applied.
This will allow the fix in https://reviews.llvm.org/D32899 to be tested with
llvm-rtdyld -check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302372 91177308-0d34-0410-b5e6-96231b3b80d8
The tests were failing due to an occasional deadlock in SerializationTraits
for Error: Both serializers and deserializers were protected by a single
mutex and in the unit test (where both ends of the RPC are in the same
process) one side might obtain the mutex, then block waiting for input,
leaving the other side of the connection unable to obtain the mutex to
write the data the first side was waiting for. Splitting the mutex into
two (one for serialization, one for deserialization) appears to have fixed the
issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300286 91177308-0d34-0410-b5e6-96231b3b80d8
The bool type may be larger than the char type, so assuming we can cast from
bool to char and write a byte out to the stream is unsafe.
Hopefully this will get RPCUtilsTest.ReturnExpectedFailure passing on the bots.
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