Have elf_lookup() return an error if the specified non-weak symbol could
not be found. Otherwise, relocations against such symbols will be silently ignored instead of causing an error to be raised. Reviewed by: kib MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=290320
@ -1594,6 +1594,10 @@ elf_lookup(linker_file_t lf, Elf_Size symidx, int deps, Elf_Addr *res)
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}
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addr = ((Elf_Addr)linker_file_lookup_symbol(lf, symbol, deps));
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if (addr == 0 && ELF_ST_BIND(sym->st_info) != STB_WEAK) {
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*res = 0;
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return (EINVAL);
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}
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if (elf_set_find(&set_pcpu_list, addr, &start, &base))
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addr = addr - start + base;
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