diff options
Diffstat (limited to 'arch/x86/include/asm/linkage.h')
-rw-r--r-- | arch/x86/include/asm/linkage.h | 64 |
1 files changed, 4 insertions, 60 deletions
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h index 5d98d0b68ffc..9320e2a8a26a 100644 --- a/arch/x86/include/asm/linkage.h +++ b/arch/x86/include/asm/linkage.h | |||
@@ -52,70 +52,14 @@ | |||
52 | 52 | ||
53 | #endif | 53 | #endif |
54 | 54 | ||
55 | #define GLOBAL(name) \ | ||
56 | .globl name; \ | ||
57 | name: | ||
58 | |||
55 | #ifdef CONFIG_X86_ALIGNMENT_16 | 59 | #ifdef CONFIG_X86_ALIGNMENT_16 |
56 | #define __ALIGN .align 16,0x90 | 60 | #define __ALIGN .align 16,0x90 |
57 | #define __ALIGN_STR ".align 16,0x90" | 61 | #define __ALIGN_STR ".align 16,0x90" |
58 | #endif | 62 | #endif |
59 | 63 | ||
60 | /* | ||
61 | * to check ENTRY_X86/END_X86 and | ||
62 | * KPROBE_ENTRY_X86/KPROBE_END_X86 | ||
63 | * unbalanced-missed-mixed appearance | ||
64 | */ | ||
65 | #define __set_entry_x86 .set ENTRY_X86_IN, 0 | ||
66 | #define __unset_entry_x86 .set ENTRY_X86_IN, 1 | ||
67 | #define __set_kprobe_x86 .set KPROBE_X86_IN, 0 | ||
68 | #define __unset_kprobe_x86 .set KPROBE_X86_IN, 1 | ||
69 | |||
70 | #define __macro_err_x86 .error "ENTRY_X86/KPROBE_X86 unbalanced,missed,mixed" | ||
71 | |||
72 | #define __check_entry_x86 \ | ||
73 | .ifdef ENTRY_X86_IN; \ | ||
74 | .ifeq ENTRY_X86_IN; \ | ||
75 | __macro_err_x86; \ | ||
76 | .abort; \ | ||
77 | .endif; \ | ||
78 | .endif | ||
79 | |||
80 | #define __check_kprobe_x86 \ | ||
81 | .ifdef KPROBE_X86_IN; \ | ||
82 | .ifeq KPROBE_X86_IN; \ | ||
83 | __macro_err_x86; \ | ||
84 | .abort; \ | ||
85 | .endif; \ | ||
86 | .endif | ||
87 | |||
88 | #define __check_entry_kprobe_x86 \ | ||
89 | __check_entry_x86; \ | ||
90 | __check_kprobe_x86 | ||
91 | |||
92 | #define ENTRY_KPROBE_FINAL_X86 __check_entry_kprobe_x86 | ||
93 | |||
94 | #define ENTRY_X86(name) \ | ||
95 | __check_entry_kprobe_x86; \ | ||
96 | __set_entry_x86; \ | ||
97 | .globl name; \ | ||
98 | __ALIGN; \ | ||
99 | name: | ||
100 | |||
101 | #define END_X86(name) \ | ||
102 | __unset_entry_x86; \ | ||
103 | __check_entry_kprobe_x86; \ | ||
104 | .size name, .-name | ||
105 | |||
106 | #define KPROBE_ENTRY_X86(name) \ | ||
107 | __check_entry_kprobe_x86; \ | ||
108 | __set_kprobe_x86; \ | ||
109 | .pushsection .kprobes.text, "ax"; \ | ||
110 | .globl name; \ | ||
111 | __ALIGN; \ | ||
112 | name: | ||
113 | |||
114 | #define KPROBE_END_X86(name) \ | ||
115 | __unset_kprobe_x86; \ | ||
116 | __check_entry_kprobe_x86; \ | ||
117 | .size name, .-name; \ | ||
118 | .popsection | ||
119 | |||
120 | #endif /* _ASM_X86_LINKAGE_H */ | 64 | #endif /* _ASM_X86_LINKAGE_H */ |
121 | 65 | ||