diff options
Diffstat (limited to 'ldso/ldso/sh/ld_sysdep.h')
| -rw-r--r-- | ldso/ldso/sh/ld_sysdep.h | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/ldso/ldso/sh/ld_sysdep.h b/ldso/ldso/sh/ld_sysdep.h index 00938b655..a0ff05fdb 100644 --- a/ldso/ldso/sh/ld_sysdep.h +++ b/ldso/ldso/sh/ld_sysdep.h @@ -77,7 +77,67 @@ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry); -#define do_rem(result, n, base) result = (n % base) +static __inline__ unsigned int +_dl_urem(unsigned int n, unsigned int base) +{ +register unsigned int __r0 __asm__ ("r0"); +register unsigned int __r4 __asm__ ("r4") = n; +register unsigned int __r5 __asm__ ("r5") = base; + + __asm__ (" + mov #0, r0 + div0u + + ! get one bit from the msb of the numerator into the T + ! bit and divide it by whats in %2. Put the answer bit + ! into the T bit so it can come out again at the bottom + + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 ; div1 r5, r0 + rotcl r4 + mov r4, r0 +" + : "=r" (__r0) + : "r" (__r4), "r" (__r5) + : "r4", "cc"); + + return n - (base * __r0); +} + +#define do_rem(result, n, base) ((result) = _dl_urem((n), (base))) /* 4096 bytes alignment */ #define PAGE_ALIGN 0xfffff000 |