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45 lines
1.2 KiB
45 lines
1.2 KiB
20 years ago
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#ifndef _ASM_PPC_MODULE_H
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#define _ASM_PPC_MODULE_H
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/* Module stuff for PPC. (C) 2001 Rusty Russell */
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#include <linux/list.h>
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#include <asm/bug.h>
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/* Thanks to Paul M for explaining this.
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PPC can only do rel jumps += 32MB, and often the kernel and other
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modules are furthur away than this. So, we jump to a table of
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trampolines attached to the module (the Procedure Linkage Table)
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whenever that happens.
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*/
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struct ppc_plt_entry
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{
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/* 16 byte jump instruction sequence (4 instructions) */
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unsigned int jump[4];
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};
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struct mod_arch_specific
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{
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/* Indices of PLT sections within module. */
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unsigned int core_plt_section, init_plt_section;
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/* List of BUG addresses, source line numbers and filenames */
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struct list_head bug_list;
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struct bug_entry *bug_table;
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unsigned int num_bugs;
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};
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extern struct bug_entry *module_find_bug(unsigned long bugaddr);
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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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/* Make empty sections for module_frob_arch_sections to expand. */
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#ifdef MODULE
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asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
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asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
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#endif
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#endif /* _ASM_PPC_MODULE_H */
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