45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
|
#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 */
|