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Diffstat (limited to 'arch/x86/include/asm/linkage.h')
-rw-r--r--arch/x86/include/asm/linkage.h77
1 files changed, 11 insertions, 66 deletions
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index 5d98d0b68ff..12d55e773eb 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -1,14 +1,11 @@
#ifndef _ASM_X86_LINKAGE_H
#define _ASM_X86_LINKAGE_H
+#include <linux/stringify.h>
+
#undef notrace
#define notrace __attribute__((no_instrument_function))
-#ifdef CONFIG_X86_64
-#define __ALIGN .p2align 4,,15
-#define __ALIGN_STR ".p2align 4,,15"
-#endif
-
#ifdef CONFIG_X86_32
#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
/*
@@ -50,72 +47,20 @@
__asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3), \
"g" (arg4), "g" (arg5), "g" (arg6))
-#endif
-
-#ifdef CONFIG_X86_ALIGNMENT_16
-#define __ALIGN .align 16,0x90
-#define __ALIGN_STR ".align 16,0x90"
-#endif
-
-/*
- * to check ENTRY_X86/END_X86 and
- * KPROBE_ENTRY_X86/KPROBE_END_X86
- * unbalanced-missed-mixed appearance
- */
-#define __set_entry_x86 .set ENTRY_X86_IN, 0
-#define __unset_entry_x86 .set ENTRY_X86_IN, 1
-#define __set_kprobe_x86 .set KPROBE_X86_IN, 0
-#define __unset_kprobe_x86 .set KPROBE_X86_IN, 1
-
-#define __macro_err_x86 .error "ENTRY_X86/KPROBE_X86 unbalanced,missed,mixed"
-
-#define __check_entry_x86 \
- .ifdef ENTRY_X86_IN; \
- .ifeq ENTRY_X86_IN; \
- __macro_err_x86; \
- .abort; \
- .endif; \
- .endif
-
-#define __check_kprobe_x86 \
- .ifdef KPROBE_X86_IN; \
- .ifeq KPROBE_X86_IN; \
- __macro_err_x86; \
- .abort; \
- .endif; \
- .endif
+#endif /* CONFIG_X86_32 */
-#define __check_entry_kprobe_x86 \
- __check_entry_x86; \
- __check_kprobe_x86
+#ifdef __ASSEMBLY__
-#define ENTRY_KPROBE_FINAL_X86 __check_entry_kprobe_x86
-
-#define ENTRY_X86(name) \
- __check_entry_kprobe_x86; \
- __set_entry_x86; \
- .globl name; \
- __ALIGN; \
+#define GLOBAL(name) \
+ .globl name; \
name:
-#define END_X86(name) \
- __unset_entry_x86; \
- __check_entry_kprobe_x86; \
- .size name, .-name
-
-#define KPROBE_ENTRY_X86(name) \
- __check_entry_kprobe_x86; \
- __set_kprobe_x86; \
- .pushsection .kprobes.text, "ax"; \
- .globl name; \
- __ALIGN; \
- name:
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_ALIGNMENT_16)
+#define __ALIGN .p2align 4, 0x90
+#define __ALIGN_STR __stringify(__ALIGN)
+#endif
-#define KPROBE_END_X86(name) \
- __unset_kprobe_x86; \
- __check_entry_kprobe_x86; \
- .size name, .-name; \
- .popsection
+#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_LINKAGE_H */