diff options
Diffstat (limited to 'include/asm-ppc/module.h')
-rw-r--r-- | include/asm-ppc/module.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-ppc/module.h b/include/asm-ppc/module.h new file mode 100644 index 000000000000..fb63492562b0 --- /dev/null +++ b/include/asm-ppc/module.h | |||
@@ -0,0 +1,44 @@ | |||
1 | #ifndef _ASM_PPC_MODULE_H | ||
2 | #define _ASM_PPC_MODULE_H | ||
3 | /* Module stuff for PPC. (C) 2001 Rusty Russell */ | ||
4 | |||
5 | #include <linux/list.h> | ||
6 | #include <asm/bug.h> | ||
7 | |||
8 | /* Thanks to Paul M for explaining this. | ||
9 | |||
10 | PPC can only do rel jumps += 32MB, and often the kernel and other | ||
11 | modules are furthur away than this. So, we jump to a table of | ||
12 | trampolines attached to the module (the Procedure Linkage Table) | ||
13 | whenever that happens. | ||
14 | */ | ||
15 | |||
16 | struct ppc_plt_entry | ||
17 | { | ||
18 | /* 16 byte jump instruction sequence (4 instructions) */ | ||
19 | unsigned int jump[4]; | ||
20 | }; | ||
21 | |||
22 | struct mod_arch_specific | ||
23 | { | ||
24 | /* Indices of PLT sections within module. */ | ||
25 | unsigned int core_plt_section, init_plt_section; | ||
26 | |||
27 | /* List of BUG addresses, source line numbers and filenames */ | ||
28 | struct list_head bug_list; | ||
29 | struct bug_entry *bug_table; | ||
30 | unsigned int num_bugs; | ||
31 | }; | ||
32 | |||
33 | extern struct bug_entry *module_find_bug(unsigned long bugaddr); | ||
34 | |||
35 | #define Elf_Shdr Elf32_Shdr | ||
36 | #define Elf_Sym Elf32_Sym | ||
37 | #define Elf_Ehdr Elf32_Ehdr | ||
38 | |||
39 | /* Make empty sections for module_frob_arch_sections to expand. */ | ||
40 | #ifdef MODULE | ||
41 | asm(".section .plt,\"ax\",@nobits; .align 3; .previous"); | ||
42 | asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous"); | ||
43 | #endif | ||
44 | #endif /* _ASM_PPC_MODULE_H */ | ||