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Commit 1f9d2949 authored by Harvey Harrison's avatar Harvey Harrison Committed by Paul Mundt
Browse files

sh: module.c use kernel unaligned helpers 



Replace the COPY_UNALIGNED_WORD helper.

Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 2beb0e28

arch/sh/kernel/module.c

+5 −34
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#include <linux/fs.h>

#include <linux/string.h>

#include <linux/kernel.h>

#include <asm/unaligned.h>



void *module_alloc(unsigned long size)

{
@@ -56,34 +57,6 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, 
	return 0;

}



#ifdef CONFIG_SUPERH32

#define COPY_UNALIGNED_WORD(sw, tw, align) \

{ \

	void *__s = &(sw), *__t = &(tw); \

	unsigned short *__s2 = __s, *__t2 = __t; \

	unsigned char *__s1 = __s, *__t1 = __t; \

	switch ((align)) \

	{ \

	case 0: \

		*(unsigned long *) __t = *(unsigned long *) __s; \

		break; \

	case 2: \

		*__t2++ = *__s2++; \

		*__t2 = *__s2; \

		break; \

	default: \

		*__t1++ = *__s1++; \

		*__t1++ = *__s1++; \

		*__t1++ = *__s1++; \

		*__t1 = *__s1; \

		break; \

	} \

}

#else

/* One thing SHmedia doesn't screw up! */

#define COPY_UNALIGNED_WORD(sw, tw, align)	{ (tw) = (sw); }

#endif



int apply_relocate_add(Elf32_Shdr *sechdrs,

		   const char *strtab,

		   unsigned int symindex,
@@ -96,7 +69,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, 
	Elf32_Addr relocation;

	uint32_t *location;

	uint32_t value;

	int align;



	pr_debug("Applying relocate section %u to %u\n", relsec,

		 sechdrs[relsec].sh_info);
@@ -109,7 +81,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, 
		sym = (Elf32_Sym *)sechdrs[symindex].sh_addr

			+ ELF32_R_SYM(rel[i].r_info);

		relocation = sym->st_value + rel[i].r_addend;

		align = (int)location & 3;



#ifdef CONFIG_SUPERH64

		/* For text addresses, bit2 of the st_other field indicates
@@ -122,15 +93,15 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, 


		switch (ELF32_R_TYPE(rel[i].r_info)) {

		case R_SH_DIR32:

			COPY_UNALIGNED_WORD (*location, value, align);

			value = get_unaligned(location);

			value += relocation;

			COPY_UNALIGNED_WORD (value, *location, align);

			put_unaligned(value, location);

			break;

		case R_SH_REL32:

			relocation = (relocation - (Elf32_Addr) location);

			COPY_UNALIGNED_WORD (*location, value, align);

			value = get_unaligned(location);

			value += relocation;

			COPY_UNALIGNED_WORD (value, *location, align);

			put_unaligned(value, location);

			break;

		case R_SH_IMM_LOW16:

			*location = (*location & ~0x3fffc00) |