fbe9c96129
Add the basic infrastructure to allow runtime patching of kernel and modules to optimize a few functions with parameters, which are only calculated once during bootup and are otherwise constant. Use this for the conversion between virtual and physical addresses. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
38 lines
789 B
C
38 lines
789 B
C
#ifndef _ASM_M68K_MODULE_H
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#define _ASM_M68K_MODULE_H
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struct mod_arch_specific {
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struct m68k_fixup_info *fixup_start, *fixup_end;
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};
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#define MODULE_ARCH_INIT { \
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.fixup_start = __start_fixup, \
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.fixup_end = __stop_fixup, \
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}
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#define Elf_Shdr Elf32_Shdr
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#define Elf_Sym Elf32_Sym
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#define Elf_Ehdr Elf32_Ehdr
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enum m68k_fixup_type {
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m68k_fixup_memoffset,
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};
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struct m68k_fixup_info {
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enum m68k_fixup_type type;
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void *addr;
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};
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#define m68k_fixup(type, addr) \
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" .section \".m68k_fixup\",\"aw\"\n" \
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" .long " #type "," #addr "\n" \
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" .previous\n"
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extern struct m68k_fixup_info __start_fixup[], __stop_fixup[];
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struct module;
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extern void module_fixup(struct module *mod, struct m68k_fixup_info *start,
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struct m68k_fixup_info *end);
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#endif /* _ASM_M68K_MODULE_H */
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