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/* * $OpenBSD: md-static-funcs.c,v 1.4 2002/07/19 19:28:12 marc Exp $*/
/*
*
* Simple SPARC relocations for the benefit of self-relocation of ld.so
* avoiding the use of global variables (ie. reloc_bitshift[] et. al.).
* Only types supported are RELOC_32 and RELOC_RELATIVE.
*
* This *must* be a static function, so it is not called through a jmpslot.
*/
static void
md_relocate_simple(struct relocation_info *r, long relocation, char *addr)
{
unsigned long mask;
unsigned long shift;
switch (r->r_type) {
case RELOC_32:
mask = 0xffffffff;
shift = 0;
break;
case RELOC_RELATIVE:
mask = 0x003fffff;
shift = 10;
break;
}
relocation += (*(long *)addr & mask) << shift;
relocation >>= shift;
relocation &= mask;
*(long *) (addr) &= ~mask;
*(long *) (addr) |= relocation;
}
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