Ejemplo n.º 1
0
static int rmodule_relocate(const struct rmodule *module)
{
	size_t num_relocations;
	const uintptr_t *reloc;
	uintptr_t adjustment;

	/* Each relocation needs to be adjusted relative to the beginning of
	 * the loaded program. */
	adjustment = (uintptr_t)rmodule_load_addr(module, 0);

	reloc = module->relocations;
	num_relocations = rmodule_number_relocations(module);

	printk(BIOS_DEBUG, "Processing %zu relocs. Offset value of 0x%08lx\n",
	       num_relocations, (unsigned long)adjustment);

	while (num_relocations > 0) {
		uintptr_t *adjust_loc;

		/* If the adjustment location is non-NULL adjust it. */
		adjust_loc = rmodule_load_addr(module, *reloc);
		printk(PK_ADJ_LEVEL, "Adjusting %p: 0x%08lx -> 0x%08lx\n",
		       adjust_loc, (unsigned long) *adjust_loc,
		       (unsigned long) (*adjust_loc + adjustment));
			*adjust_loc += adjustment;

		reloc++;
		num_relocations--;
	}

	return 0;
}
Ejemplo n.º 2
0
static int rmodule_relocate(const struct rmodule *module)
{
	int num_relocations;
	const void *reloc;
	u32 adjustment;

	/* Each relocation needs to be adjusted relative to the beginning of
	 * the loaded program. */
	adjustment = (u32)rmodule_load_addr(module, 0);

	reloc = module->relocations;
	num_relocations = rmodule_number_relocations(module);

	printk(BIOS_DEBUG, "Processing %d relocs with adjust value of 0x%08x\n",
	       num_relocations, adjustment);

	while (num_relocations > 0) {
		u32 *adjust_loc;

		if (!rmodule_reloc_valid(reloc))
			return -1;

		/* If the adjustment location is non-NULL adjust it. */
		adjust_loc = rmodule_adjustment_location(module, reloc);
		if (adjust_loc != NULL) {
			printk(PK_ADJ_LEVEL, "Adjusting %p: 0x%08x -> 0x%08x\n",
			       adjust_loc, *adjust_loc,
			       *adjust_loc + adjustment);
			*adjust_loc += adjustment;
		}

		reloc = remodule_next_reloc(reloc);
		num_relocations--;
	}

	return 0;
}