|  | #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 */ |