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/* vi: set sw=4 ts=4: */
/*
* Various assmbly language/system dependent hacks that are required
* so that we can minimize the amount of platform specific code.
* Copyright (C) 2000-2004 by Erik Andersen <andersen@codpoet.org>
*/
/* Define this if the system uses RELOCA. */
#undef ELF_USES_RELOCA
/* Initialization sequence for the GOT. */
#define INIT_GOT(GOT_BASE,MODULE) \
{ \
GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \
GOT_BASE[1] = (unsigned long) MODULE; \
}
static inline unsigned long arm_modulus(unsigned long m, unsigned long p)
{
unsigned long i,t,inc;
i=p; t=0;
while(!(i&(1<<31))) {
i<<=1;
t++;
}
t--;
for(inc=t;inc>2;inc--) {
i=p<<inc;
if(i&(1<<31))
break;
while(m>=i) {
m-=i;
i<<=1;
if(i&(1<<31))
break;
if(i<p)
break;
}
}
while(m>=p) {
m-=p;
}
return m;
}
#define do_rem(result, n, base) ((result) = arm_modulus(n, base))
/* Here we define the magic numbers that this dynamic loader should accept */
#define MAGIC1 EM_ARM
#undef MAGIC2
/* Used for error messages */
#define ELF_TARGET "ARM"
struct elf_resolve;
unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry);
/* 4096 bytes alignment */
#define PAGE_ALIGN 0xfffff000
#define ADDR_ALIGN 0xfff
#define OFFS_ALIGN 0x7ffff000
/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
PLT entries should not be allowed to define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
#define elf_machine_type_class(type) \
((((type) == R_ARM_JUMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
| (((type) == R_ARM_COPY) * ELF_RTYPE_CLASS_COPY))
|