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`__mh_(execute|dylib|dylinker|bundle|preload|object)_header` are special symbols whose values hold the VMA of the Mach header to support introspection. They are attached to the first section in `__TEXT`, even though their addresses are outside `__TEXT`, and they do not refer to code. It is normally harmless, but when the first section of `__TEXT` has no other symbols, `__mh_*_header` is considered by the disassembler when determing function boundaries. Since `__mh_*_header` refers to an address outside `__TEXT`, the boundary determination fails and disassembly quits. Since `__TEXT,__text` normally has symbols, this bug is obscured. Experiments placing `__stubs` and `__stub_helper` first exposed the bug, since neither has symbols. Differential Revision: https://reviews.llvm.org/D101786 |
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| .. | ||
| CMakeLists.txt | ||
| COFFDump.cpp | ||
| COFFDump.h | ||
| ELFDump.cpp | ||
| ELFDump.h | ||
| llvm-objdump.cpp | ||
| llvm-objdump.h | ||
| MachODump.cpp | ||
| MachODump.h | ||
| ObjdumpOptID.h | ||
| ObjdumpOpts.td | ||
| OtoolOpts.td | ||
| SourcePrinter.cpp | ||
| SourcePrinter.h | ||
| WasmDump.cpp | ||
| WasmDump.h | ||
| XCOFFDump.cpp | ||
| XCOFFDump.h | ||