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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
llvm-svn: 338293
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Summary: This patch adds anchor() for MemoryBuffer, raw_fd_ostream, RTDyldMemoryManager, SectionMemoryManager, etc.
Reviewers: jlebar, eli.friedman, dblaikie
Reviewed By: dblaikie
Subscribers: mehdi_amini, mgorny, dblaikie, weimingz, llvm-commits
Differential Revision: https://reviews.llvm.org/D45244
llvm-svn: 329861
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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
llvm-svn: 302589
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RTDyldMemoryManager.cpp describes the differing __register_frame
API between libunwind and libgcc, with a mailing list posting URL.
The original link was 404; replace it with what I believe is the
intended post, as well as a reference to the "OS X" implementation in
libunwind.
Differential Revision: https://reviews.llvm.org/D27965
llvm-svn: 290269
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llvm-svn: 279029
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RTDyldMemoryManager::getSymbolAddressInProcess()
This should allow JIT'd code for win32 to find in-process symbols. See
http://llvm.org/PR28699 .
Patch by James Holderness. Thanks James!
llvm-svn: 279016
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RTDyldMemoryManager::getSymbolAddressInProcess.
The RTDyldMemoryManager::getSymbolAddressInProcess method accepts a
linker-mangled symbol name, but it calls through to dlsym to do the lookup (via
DynamicLibrary::SearchForAddressOfSymbol), and dlsym expects an unmangled
symbol name.
Historically we've attempted to "demangle" by removing leading '_'s on all
platforms, and fallen back to an extra search if that failed. That's broken, as
it can cause symbols to resolve incorrectly on platforms that don't do mangling
if you query '_foo' and the process also happens to contain a 'foo'.
Fix this by demangling conditionally based on the host platform. That's safe
here because this function is specifically for symbols in the host process, so
the usual cross-process JIT looking concerns don't apply.
M unittests/ExecutionEngine/ExecutionEngineTest.cpp
M lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp
llvm-svn: 262657
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classes.
OrcRemoteTargetClient::RCMemoryManager will now register EH frames with the
server automatically. This allows remote-execution of code that uses exceptions.
llvm-svn: 257816
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llvm-svn: 243999
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Use POSIX.1-2003 Technical Corrigendum 1 suggested workaround.
llvm-svn: 240140
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RuntimeDyld.
This should fix http://llvm.org/PR22593.
llvm-svn: 229343
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