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1. Add a stop indicator to rtld_start to satisfy unwinders on aarch64: The right unwinding stop indicator should be CFI-undefined PC. https://dwarfstd.org/doc/Dwarf3.pdf - page 118: If a Return Address register is defined in the virtual unwind table, and its rule is undefined (for example, by DW_CFA_undefined), then there is no return address and no call address, and the virtual unwind of stack activations is complete. 2. Add a proper annotations for CFA. That is allows gdb and libunwind successfully stop when unwinding stack from global constructors and destructors. Reviewed by: Differential Revision: https://reviews.freebsd.org/D40844 |
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| .. | ||
| reloc.c | ||
| rtld_machdep.h | ||
| rtld_start.S | ||