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Diffstat (limited to 'include/linux/linkage.h')
-rw-r--r--include/linux/linkage.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 807f1e533226..d3e8ad23a8e0 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -2,6 +2,8 @@
#define _LINUX_LINKAGE_H
#include <linux/compiler.h>
+#include <linux/stringify.h>
+#include <linux/export.h>
#include <asm/linkage.h>
#ifdef __cplusplus
@@ -14,6 +16,20 @@
#define asmlinkage CPP_ASMLINKAGE
#endif
+#ifndef cond_syscall
+#define cond_syscall(x) asm( \
+ ".weak " VMLINUX_SYMBOL_STR(x) "\n\t" \
+ ".set " VMLINUX_SYMBOL_STR(x) "," \
+ VMLINUX_SYMBOL_STR(sys_ni_syscall))
+#endif
+
+#ifndef SYSCALL_ALIAS
+#define SYSCALL_ALIAS(alias, name) asm( \
+ ".globl " VMLINUX_SYMBOL_STR(alias) "\n\t" \
+ ".set " VMLINUX_SYMBOL_STR(alias) "," \
+ VMLINUX_SYMBOL_STR(name))
+#endif
+
#define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE)
#define __page_aligned_bss __section(.bss..page_aligned) __aligned(PAGE_SIZE)