diff options
Diffstat (limited to 'arch/sh/kernel/module.c')
-rw-r--r-- | arch/sh/kernel/module.c | 39 |
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 | ||
34 | void *module_alloc(unsigned long size) | 35 | void *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 | |||
87 | int apply_relocate_add(Elf32_Shdr *sechdrs, | 60 | int 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) | |