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by mananaysiempre
386 days ago
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If you’re willing to parse object files (a much easier proposition for ELF than for just about anything else), another option is to have the source code mention the constants as addresses of external symbols, then parse the relocations in the compiled object. Unfortunately, I’ve been unable to figure out a reliable recipe to get a C compiler to emit absolute relocations in position-independent code, even after restricting myself to GCC and Clang for x86 Linux; in some configurations it works and in others you (rather pointlessly) get a PC-relative one followed by an add. |
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