projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a37c8875 | 1 | #ifndef _ASM_POWERPC_MODULE_H |
| 2 | #define _ASM_POWERPC_MODULE_H | |
| 88ced031 | 3 | #ifdef __KERNEL__ |
| 6b9269ab JL |
4 | |
| 5 | /* | |
| 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. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/list.h> | |
| 13 | #include <asm/bug.h> | |
| 14 | ||
| 15 | ||
| 16 | #ifndef __powerpc64__ | |
| 17 | /* | |
| 18 | * Thanks to Paul M for explaining this. | |
| 19 | * | |
| 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. | |
| 24 | */ | |
| 25 | ||
| 26 | struct ppc_plt_entry { | |
| 27 | /* 16 byte jump instruction sequence (4 instructions) */ | |
| 28 | unsigned int jump[4]; | |
| 29 | }; | |
| 30 | #endif /* __powerpc64__ */ | |
| 31 | ||
| 32 | ||
| 33 | struct mod_arch_specific { | |
| 34 | #ifdef __powerpc64__ | |
| 35 | unsigned int stubs_section; /* Index of stubs section in module */ | |
| 36 | unsigned int toc_section; /* What section is the TOC? */ | |
| f48cb8b4 SR |
37 | #ifdef CONFIG_DYNAMIC_FTRACE |
| 38 | unsigned long toc; | |
| 39 | unsigned long tramp; | |
| 40 | #endif | |
| 41 | ||
| 7cc45e64 | 42 | #else /* powerpc64 */ |
| 6b9269ab JL |
43 | /* Indices of PLT sections within module. */ |
| 44 | unsigned int core_plt_section; | |
| 45 | unsigned int init_plt_section; | |
| 7cc45e64 SR |
46 | #ifdef CONFIG_DYNAMIC_FTRACE |
| 47 | unsigned long tramp; | |
| 6b9269ab | 48 | #endif |
| 7cc45e64 | 49 | #endif /* powerpc64 */ |
| 6b9269ab JL |
50 | |
| 51 | /* List of BUG addresses, source line numbers and filenames */ | |
| 52 | struct list_head bug_list; | |
| 53 | struct bug_entry *bug_table; | |
| 54 | unsigned int num_bugs; | |
| 55 | }; | |
| 56 | ||
| 6b9269ab JL |
57 | /* |
| 58 | * Select ELF headers. | |
| 59 | * Make empty section for module_frob_arch_sections to expand. | |
| 60 | */ | |
| 61 | ||
| 62 | #ifdef __powerpc64__ | |
| 63 | # define Elf_Shdr Elf64_Shdr | |
| 64 | # define Elf_Sym Elf64_Sym | |
| 65 | # define Elf_Ehdr Elf64_Ehdr | |
| 66 | # ifdef MODULE | |
| 67 | asm(".section .stubs,\"ax\",@nobits; .align 3; .previous"); | |
| 68 | # endif | |
| 69 | #else | |
| 70 | # define Elf_Shdr Elf32_Shdr | |
| 71 | # define Elf_Sym Elf32_Sym | |
| 72 | # define Elf_Ehdr Elf32_Ehdr | |
| 73 | # ifdef MODULE | |
| 74 | asm(".section .plt,\"ax\",@nobits; .align 3; .previous"); | |
| 75 | asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous"); | |
| 76 | # endif /* MODULE */ | |
| 77 | #endif | |
| 78 | ||
| f48cb8b4 SR |
79 | #ifdef CONFIG_DYNAMIC_FTRACE |
| 80 | # ifdef MODULE | |
| 81 | asm(".section .ftrace.tramp,\"ax\",@nobits; .align 3; .previous"); | |
| 82 | # endif /* MODULE */ | |
| 83 | #endif | |
| 84 | ||
| 6b9269ab JL |
85 | |
| 86 | struct exception_table_entry; | |
| 87 | void sort_ex_table(struct exception_table_entry *start, | |
| 88 | struct exception_table_entry *finish); | |
| 89 | ||
| d4703aef RR |
90 | #ifdef CONFIG_MODVERSIONS |
| 91 | #define ARCH_RELOCATES_KCRCTAB | |
| 92 | ||
| 93 | extern const unsigned long reloc_start[]; | |
| 94 | #endif | |
| 88ced031 | 95 | #endif /* __KERNEL__ */ |
| a37c8875 | 96 | #endif /* _ASM_POWERPC_MODULE_H */ |