diff options
Diffstat (limited to 'gnu/usr.bin/ld/sparc/md-static-funcs.c')
| -rw-r--r-- | gnu/usr.bin/ld/sparc/md-static-funcs.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gnu/usr.bin/ld/sparc/md-static-funcs.c b/gnu/usr.bin/ld/sparc/md-static-funcs.c new file mode 100644 index 000000000000..8446daa5256c --- /dev/null +++ b/gnu/usr.bin/ld/sparc/md-static-funcs.c @@ -0,0 +1,37 @@ + +/* + * $Id: md-static-funcs.c,v 1.2 1993/12/11 12:02:08 jkh 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(r, relocation, addr) +struct relocation_info *r; +long relocation; +char *addr; +{ + register unsigned long mask; + register 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; +} + |