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LibC+LibELF: Implement dladdr()
This implements the dladdr() function which lets the caller look up the symbol name, symbol address as well as library name and library base address for an arbitrary address.
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5 changed files with 73 additions and 0 deletions
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@ -60,3 +60,15 @@ void* dlsym(void* handle, const char* symbol_name)
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}
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return result.value();
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}
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int dladdr(void* addr, Dl_info* info)
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{
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auto result = __dladdr(addr, info);
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if (result.is_error()) {
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// FIXME: According to the man page glibc does _not_ make the error
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// available via dlerror(), however we do. Does this break anything?
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store_error(result.error().text);
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return 0;
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}
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return 1;
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}
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