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authorHarvey Harrison <harvey.harrison@gmail.com>2008-05-28 19:38:17 -0400
committerPaul Mundt <lethal@linux-sh.org>2008-06-01 23:30:00 -0400
commit1f9d29493992ddd6af6b3e313a603770f29c0408 (patch)
treeac5bcf226c1ea0f761c035c7ec57b301cd78a24f /arch/sh
parent2beb0e2893b900fa5fb07ccf73a976c06a93b764 (diff)
sh: module.c use kernel unaligned helpers
Replace the COPY_UNALIGNED_WORD helper. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/kernel/module.c39
1 files changed, 5 insertions, 34 deletions
diff --git a/arch/sh/kernel/module.c b/arch/sh/kernel/module.c
index b3d0a03b4c76..5482e65375a9 100644
--- a/arch/sh/kernel/module.c
+++ b/arch/sh/kernel/module.c
@@ -30,6 +30,7 @@
30#include <linux/fs.h> 30#include <linux/fs.h>
31#include <linux/string.h> 31#include <linux/string.h>
32#include <linux/kernel.h> 32#include <linux/kernel.h>
33#include <asm/unaligned.h>
33 34
34void *module_alloc(unsigned long size) 35void *module_alloc(unsigned long size)
35{ 36{
@@ -56,34 +57,6 @@ int module_frob_arch_sections(Elf_Ehdr *hdr,
56 return 0; 57 return 0;
57} 58}
58 59
59#ifdef CONFIG_SUPERH32
60#define COPY_UNALIGNED_WORD(sw, tw, align) \
61{ \
62 void *__s = &(sw), *__t = &(tw); \
63 unsigned short *__s2 = __s, *__t2 = __t; \
64 unsigned char *__s1 = __s, *__t1 = __t; \
65 switch ((align)) \
66 { \
67 case 0: \
68 *(unsigned long *) __t = *(unsigned long *) __s; \
69 break; \
70 case 2: \
71 *__t2++ = *__s2++; \
72 *__t2 = *__s2; \
73 break; \
74 default: \
75 *__t1++ = *__s1++; \
76 *__t1++ = *__s1++; \
77 *__t1++ = *__s1++; \
78 *__t1 = *__s1; \
79 break; \
80 } \
81}
82#else
83/* One thing SHmedia doesn't screw up! */
84#define COPY_UNALIGNED_WORD(sw, tw, align) { (tw) = (sw); }
85#endif
86
87int apply_relocate_add(Elf32_Shdr *sechdrs, 60int apply_relocate_add(Elf32_Shdr *sechdrs,
88 const char *strtab, 61 const char *strtab,
89 unsigned int symindex, 62 unsigned int symindex,
@@ -96,7 +69,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
96 Elf32_Addr relocation; 69 Elf32_Addr relocation;
97 uint32_t *location; 70 uint32_t *location;
98 uint32_t value; 71 uint32_t value;
99 int align;
100 72
101 pr_debug("Applying relocate section %u to %u\n", relsec, 73 pr_debug("Applying relocate section %u to %u\n", relsec,
102 sechdrs[relsec].sh_info); 74 sechdrs[relsec].sh_info);
@@ -109,7 +81,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
109 sym = (Elf32_Sym *)sechdrs[symindex].sh_addr 81 sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
110 + ELF32_R_SYM(rel[i].r_info); 82 + ELF32_R_SYM(rel[i].r_info);
111 relocation = sym->st_value + rel[i].r_addend; 83 relocation = sym->st_value + rel[i].r_addend;
112 align = (int)location & 3;
113 84
114#ifdef CONFIG_SUPERH64 85#ifdef CONFIG_SUPERH64
115 /* For text addresses, bit2 of the st_other field indicates 86 /* For text addresses, bit2 of the st_other field indicates
@@ -122,15 +93,15 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
122 93
123 switch (ELF32_R_TYPE(rel[i].r_info)) { 94 switch (ELF32_R_TYPE(rel[i].r_info)) {
124 case R_SH_DIR32: 95 case R_SH_DIR32:
125 COPY_UNALIGNED_WORD (*location, value, align); 96 value = get_unaligned(location);
126 value += relocation; 97 value += relocation;
127 COPY_UNALIGNED_WORD (value, *location, align); 98 put_unaligned(value, location);
128 break; 99 break;
129 case R_SH_REL32: 100 case R_SH_REL32:
130 relocation = (relocation - (Elf32_Addr) location); 101 relocation = (relocation - (Elf32_Addr) location);
131 COPY_UNALIGNED_WORD (*location, value, align); 102 value = get_unaligned(location);
132 value += relocation; 103 value += relocation;
133 COPY_UNALIGNED_WORD (value, *location, align); 104 put_unaligned(value, location);
134 break; 105 break;
135 case R_SH_IMM_LOW16: 106 case R_SH_IMM_LOW16:
136 *location = (*location & ~0x3fffc00) | 107 *location = (*location & ~0x3fffc00) |