1 #ifndef _ASM_POWERPC_MODULE_H
2 #define _ASM_POWERPC_MODULE_H
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <linux/list.h>
14 #include <asm-generic/module.h>
19 * Thanks to Paul M for explaining this.
21 * PPC can only do rel jumps += 32MB, and often the kernel and other
22 * modules are furthur away than this. So, we jump to a table of
23 * trampolines attached to the module (the Procedure Linkage Table)
24 * whenever that happens.
27 struct ppc_plt_entry {
28 /* 16 byte jump instruction sequence (4 instructions) */
31 #endif /* __powerpc64__ */
34 struct mod_arch_specific {
36 unsigned int stubs_section; /* Index of stubs section in module */
37 unsigned int toc_section; /* What section is the TOC? */
38 #ifdef CONFIG_DYNAMIC_FTRACE
44 /* Indices of PLT sections within module. */
45 unsigned int core_plt_section;
46 unsigned int init_plt_section;
47 #ifdef CONFIG_DYNAMIC_FTRACE
50 #endif /* powerpc64 */
52 /* List of BUG addresses, source line numbers and filenames */
53 struct list_head bug_list;
54 struct bug_entry *bug_table;
55 unsigned int num_bugs;
60 * Make empty section for module_frob_arch_sections to expand.
65 asm(".section .stubs,\"ax\",@nobits; .align 3; .previous");
69 asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
70 asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
74 #ifdef CONFIG_DYNAMIC_FTRACE
76 asm(".section .ftrace.tramp,\"ax\",@nobits; .align 3; .previous");
81 struct exception_table_entry;
82 void sort_ex_table(struct exception_table_entry *start,
83 struct exception_table_entry *finish);
85 #ifdef CONFIG_MODVERSIONS
86 #define ARCH_RELOCATES_KCRCTAB
88 extern const unsigned long reloc_start[];
90 #endif /* __KERNEL__ */
91 #endif /* _ASM_POWERPC_MODULE_H */