Differential D4839 Diff 12140 head/sys/boot/common/load_elf_obj.c

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	}			}

	/* Look up the address of a specified symbol. */			/* Look up the address of a specified symbol. */
	static Elf_Addr			static Elf_Addr
	__elfN(obj_symaddr)(struct elf_file *ef, Elf_Size symidx)			__elfN(obj_symaddr)(struct elf_file *ef, Elf_Size symidx)
	{			{
	Elf_Sym sym;			Elf_Sym sym;
	Elf_Addr base;			Elf_Addr base;
	int symcnt;

	symcnt = ef->e_shdr[ef->symtabindex].sh_size / sizeof(Elf_Sym);			if (symidx >= ef->e_shdr[ef->symtabindex].sh_size / sizeof(Elf_Sym))
	if (symidx >= symcnt)
	return (0);			return (0);
	COPYOUT(ef->e_shdr[ef->symtabindex].sh_addr + symidx * sizeof(Elf_Sym),			COPYOUT(ef->e_shdr[ef->symtabindex].sh_addr + symidx * sizeof(Elf_Sym),
	&sym, sizeof(sym));			&sym, sizeof(sym));
	if (sym.st_shndx == SHN_UNDEF \|\| sym.st_shndx >= ef->hdr.e_shnum)			if (sym.st_shndx == SHN_UNDEF \|\| sym.st_shndx >= ef->hdr.e_shnum)
	return (0);			return (0);
	base = ef->e_shdr[sym.st_shndx].sh_addr;			base = ef->e_shdr[sym.st_shndx].sh_addr;
	if (base == 0)			if (base == 0)
	return (0);			return (0);
	return (base + sym.st_value);			return (base + sym.st_value);
	}			}