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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/asm-powerpc/module.h
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>
18 * Thanks to Paul M for explaining this.
20 * PPC can only do rel jumps += 32MB, and often the kernel and other
21 * modules are furthur away than this. So, we jump to a table of
22 * trampolines attached to the module (the Procedure Linkage Table)
23 * whenever that happens.
26 struct ppc_plt_entry
{
27 /* 16 byte jump instruction sequence (4 instructions) */
30 #endif /* __powerpc64__ */
33 struct mod_arch_specific
{
35 unsigned int stubs_section
; /* Index of stubs section in module */
36 unsigned int toc_section
; /* What section is the TOC? */
38 /* Indices of PLT sections within module. */
39 unsigned int core_plt_section
;
40 unsigned int init_plt_section
;
43 /* List of BUG addresses, source line numbers and filenames */
44 struct list_head bug_list
;
45 struct bug_entry
*bug_table
;
46 unsigned int num_bugs
;
49 extern struct bug_entry
*module_find_bug(unsigned long bugaddr
);
53 * Make empty section for module_frob_arch_sections to expand.
57 # define Elf_Shdr Elf64_Shdr
58 # define Elf_Sym Elf64_Sym
59 # define Elf_Ehdr Elf64_Ehdr
61 asm(".section .stubs,\"ax\",@nobits; .align 3; .previous");
64 # define Elf_Shdr Elf32_Shdr
65 # define Elf_Sym Elf32_Sym
66 # define Elf_Ehdr Elf32_Ehdr
68 asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
69 asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
74 struct exception_table_entry
;
75 void sort_ex_table(struct exception_table_entry
*start
,
76 struct exception_table_entry
*finish
);
78 #endif /* __KERNEL__ */
79 #endif /* _ASM_POWERPC_MODULE_H */