iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sh: module.c use kernel unaligned helpers

Browse Source 
Replace the COPY_UNALIGNED_WORD helper.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Harvey Harrison 2008-05-28 16:38:17 -07:00 committed by Paul Mundt
parent 2beb0e2893
commit 1f9d294939
1 changed files with 5 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
arch/sh/kernel/module.c
View File

@ -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) |