| #ifndef _ASM_POWERPC_MODULE_H |
| #define _ASM_POWERPC_MODULE_H |
| #ifdef __KERNEL__ |
| |
| /* |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include <linux/list.h> |
| #include <asm/bug.h> |
| #include <asm-generic/module.h> |
| |
| |
| #ifndef __powerpc64__ |
| /* |
| * 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]; |
| }; |
| #endif /* __powerpc64__ */ |
| |
| |
| struct mod_arch_specific { |
| #ifdef __powerpc64__ |
| unsigned int stubs_section; /* Index of stubs section in module */ |
| unsigned int toc_section; /* What section is the TOC? */ |
| #ifdef CONFIG_DYNAMIC_FTRACE |
| unsigned long toc; |
| unsigned long tramp; |
| #endif |
| |
| #else /* powerpc64 */ |
| /* Indices of PLT sections within module. */ |
| unsigned int core_plt_section; |
| unsigned int init_plt_section; |
| #ifdef CONFIG_DYNAMIC_FTRACE |
| unsigned long tramp; |
| #endif |
| #endif /* powerpc64 */ |
| |
| /* List of BUG addresses, source line numbers and filenames */ |
| struct list_head bug_list; |
| struct bug_entry *bug_table; |
| unsigned int num_bugs; |
| }; |
| |
| /* |
| * Select ELF headers. |
| * Make empty section for module_frob_arch_sections to expand. |
| */ |
| |
| #ifdef __powerpc64__ |
| # ifdef MODULE |
| asm(".section .stubs,\"ax\",@nobits; .align 3; .previous"); |
| # endif |
| #else |
| # ifdef MODULE |
| asm(".section .plt,\"ax\",@nobits; .align 3; .previous"); |
| asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous"); |
| # endif /* MODULE */ |
| #endif |
| |
| #ifdef CONFIG_DYNAMIC_FTRACE |
| # ifdef MODULE |
| asm(".section .ftrace.tramp,\"ax\",@nobits; .align 3; .previous"); |
| # endif /* MODULE */ |
| #endif |
| |
| |
| struct exception_table_entry; |
| void sort_ex_table(struct exception_table_entry *start, |
| struct exception_table_entry *finish); |
| |
| #ifdef CONFIG_MODVERSIONS |
| #define ARCH_RELOCATES_KCRCTAB |
| |
| extern const unsigned long reloc_start[]; |
| #endif |
| #endif /* __KERNEL__ */ |
| #endif /* _ASM_POWERPC_MODULE_H */ |