This source file includes following definitions.
- module_finalize_ftrace
1
2 #ifndef _ASM_POWERPC_MODULE_H
3 #define _ASM_POWERPC_MODULE_H
4 #ifdef __KERNEL__
5
6
7
8
9 #include <linux/list.h>
10 #include <asm/bug.h>
11 #include <asm-generic/module.h>
12
13
14 #ifdef CONFIG_MPROFILE_KERNEL
15 #define MODULE_ARCH_VERMAGIC_FTRACE "mprofile-kernel "
16 #else
17 #define MODULE_ARCH_VERMAGIC_FTRACE ""
18 #endif
19
20 #ifdef CONFIG_RELOCATABLE
21 #define MODULE_ARCH_VERMAGIC_RELOCATABLE "relocatable "
22 #else
23 #define MODULE_ARCH_VERMAGIC_RELOCATABLE ""
24 #endif
25
26 #define MODULE_ARCH_VERMAGIC MODULE_ARCH_VERMAGIC_FTRACE MODULE_ARCH_VERMAGIC_RELOCATABLE
27
28 #ifndef __powerpc64__
29
30
31
32
33
34
35
36
37
38 struct ppc_plt_entry {
39
40 unsigned int jump[4];
41 };
42 #endif
43
44
45 struct mod_arch_specific {
46 #ifdef __powerpc64__
47 unsigned int stubs_section;
48 unsigned int toc_section;
49 bool toc_fixed;
50
51
52 unsigned long start_opd;
53 unsigned long end_opd;
54 #else
55
56 unsigned int core_plt_section;
57 unsigned int init_plt_section;
58 #endif
59
60 #ifdef CONFIG_DYNAMIC_FTRACE
61 unsigned long tramp;
62 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
63 unsigned long tramp_regs;
64 #endif
65 #endif
66
67
68 struct list_head bug_list;
69 struct bug_entry *bug_table;
70 unsigned int num_bugs;
71 };
72
73
74
75
76
77
78 #ifdef __powerpc64__
79 # ifdef MODULE
80 asm(".section .stubs,\"ax\",@nobits; .align 3; .previous");
81 # endif
82 #else
83 # ifdef MODULE
84 asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
85 asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
86 # endif
87 #endif
88
89 #ifdef CONFIG_DYNAMIC_FTRACE
90 # ifdef MODULE
91 asm(".section .ftrace.tramp,\"ax\",@nobits; .align 3; .previous");
92 # endif
93 #endif
94
95 int module_trampoline_target(struct module *mod, unsigned long trampoline,
96 unsigned long *target);
97
98 #ifdef CONFIG_DYNAMIC_FTRACE
99 int module_finalize_ftrace(struct module *mod, const Elf_Shdr *sechdrs);
100 #else
101 static inline int module_finalize_ftrace(struct module *mod, const Elf_Shdr *sechdrs)
102 {
103 return 0;
104 }
105 #endif
106
107 #endif
108 #endif