]> err.no Git - linux-2.6/commitdiff
sh: module.c use kernel unaligned helpers
authorHarvey Harrison <harvey.harrison@gmail.com>
Wed, 28 May 2008 23:38:17 +0000 (16:38 -0700)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 2 Jun 2008 03:30:00 +0000 (12:30 +0900)
Replace the COPY_UNALIGNED_WORD helper.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/kernel/module.c

index b3d0a03b4c766109b369296ffa9a909eedcf3270..5482e65375a989d1373ffeccbf462d9afc057b83 100644 (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) |