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Code-section alignment should be at least as high as the minimum stub alignment. If the section alignment is lower it can cause padding to be emitted resulting in alignment errors if the section is mapped to a higher alignment on the target. E.g. If a text section with a 4-byte alignment gets 4-bytes of padding to guarantee 8-byte alignment for stubs but is re-mapped to an 8-byte alignment on the target, the 4-bytes of padding will push the stubs to 4-byte alignment causing a crash. No test case: There is currently no way to control host section alignment in llvm-rtdyld. This could be made testable by adding a custom memory manager. I'll look at that in a follow-up patch. llvm-svn: 245031 |
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| .. | ||
| Targets | ||
| CMakeLists.txt | ||
| LLVMBuild.txt | ||
| Makefile | ||
| RTDyldMemoryManager.cpp | ||
| RuntimeDyld.cpp | ||
| RuntimeDyldChecker.cpp | ||
| RuntimeDyldCheckerImpl.h | ||
| RuntimeDyldCOFF.cpp | ||
| RuntimeDyldCOFF.h | ||
| RuntimeDyldELF.cpp | ||
| RuntimeDyldELF.h | ||
| RuntimeDyldImpl.h | ||
| RuntimeDyldMachO.cpp | ||
| RuntimeDyldMachO.h | ||