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19#include <linux/elf.h>
20#include <linux/moduleloader.h>
21#include <linux/err.h>
22#include <linux/vmalloc.h>
23#include <linux/bug.h>
24#include <asm/module.h>
25#include <asm/uaccess.h>
26#include <asm/firmware.h>
27#include <linux/sort.h>
28
29#include "setup.h"
30
31LIST_HEAD(module_bug_list);
32
33static const Elf_Shdr *find_section(const Elf_Ehdr *hdr,
34 const Elf_Shdr *sechdrs,
35 const char *name)
36{
37 char *secstrings;
38 unsigned int i;
39
40 secstrings = (char *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
41 for (i = 1; i < hdr->e_shnum; i++)
42 if (strcmp(secstrings+sechdrs[i].sh_name, name) == 0)
43 return &sechdrs[i];
44 return NULL;
45}
46
47int module_finalize(const Elf_Ehdr *hdr,
48 const Elf_Shdr *sechdrs, struct module *me)
49{
50 const Elf_Shdr *sect;
51
52
53 sect = find_section(hdr, sechdrs, "__ftr_fixup");
54 if (sect != NULL)
55 do_feature_fixups(cur_cpu_spec->cpu_features,
56 (void *)sect->sh_addr,
57 (void *)sect->sh_addr + sect->sh_size);
58
59 sect = find_section(hdr, sechdrs, "__mmu_ftr_fixup");
60 if (sect != NULL)
61 do_feature_fixups(cur_cpu_spec->mmu_features,
62 (void *)sect->sh_addr,
63 (void *)sect->sh_addr + sect->sh_size);
64
65#ifdef CONFIG_PPC64
66 sect = find_section(hdr, sechdrs, "__fw_ftr_fixup");
67 if (sect != NULL)
68 do_feature_fixups(powerpc_firmware_features,
69 (void *)sect->sh_addr,
70 (void *)sect->sh_addr + sect->sh_size);
71#endif
72
73 sect = find_section(hdr, sechdrs, "__lwsync_fixup");
74 if (sect != NULL)
75 do_lwsync_fixups(cur_cpu_spec->cpu_features,
76 (void *)sect->sh_addr,
77 (void *)sect->sh_addr + sect->sh_size);
78
79 return 0;
80}
81