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In assembly files, omitting `.type foo,@function` is common. Such functions have type `STT_NOTYPE` and llvm-symbolizer reports `??` for them. An ifunc symbol usually has an associated resolver symbol which is defined at the same address. Returning either one is fine for symbolization. The resolver symbol may not end up in the symbol table if (object file) `.L` is used (linked image) .symtab is stripped while .dynsym is retained. This patch allows ELF STT_NOTYPE/STT_GNU_IFUNC symbols for .symtab symbolization. I have left TODO in the test files for an unimplemented STT_FILE heuristic. Differential Revision: https://reviews.llvm.org/D95916 |
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| Symbolize | ||
| CMakeLists.txt | ||