module.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 45 行

#ifndef _ASM_PPC_MODULE_H
#define _ASM_PPC_MODULE_H
/* Module stuff for PPC.  (C) 2001 Rusty Russell */

#include <linux/list.h>
#include <asm/bug.h>

/* Thanks to Paul M for explaining this.

   PPC can only do rel jumps += 32MB, and often the kernel and other
   modules are furthur away than this.  So, we jump to a table of
   trampolines attached to the module (the Procedure Linkage Table)
   whenever that happens.
*/

struct ppc_plt_entry
{
	/* 16 byte jump instruction sequence (4 instructions) */
	unsigned int jump[4];
};

struct mod_arch_specific
{
	/* Indices of PLT sections within module. */
	unsigned int core_plt_section, init_plt_section;

	/* List of BUG addresses, source line numbers and filenames */
	struct list_head bug_list;
	struct bug_entry *bug_table;
	unsigned int num_bugs;
};

extern struct bug_entry *module_find_bug(unsigned long bugaddr);

#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define Elf_Ehdr Elf32_Ehdr

/* Make empty sections for module_frob_arch_sections to expand. */
#ifdef MODULE
asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
#endif
#endif /* _ASM_PPC_MODULE_H */