| #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 */ |