From e1b5bb6d1236d4ad2084c53aa83dde7cdf6f8eea Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 21 Jan 2013 17:16:07 -0500 Subject: consolidate cond_syscall and SYSCALL_ALIAS declarations take them to asm/linkage.h, with default in linux/linkage.h Signed-off-by: Al Viro --- include/linux/linkage.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'include/linux/linkage.h') diff --git a/include/linux/linkage.h b/include/linux/linkage.h index 807f1e5..829d66c 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h @@ -2,6 +2,7 @@ #define _LINUX_LINKAGE_H #include +#include #include #ifdef __cplusplus @@ -14,6 +15,26 @@ #define asmlinkage CPP_ASMLINKAGE #endif +#ifndef SYMBOL_NAME +#ifdef CONFIG_SYMBOL_PREFIX +#define SYMBOL_NAME(x) CONFIG_SYMBOL_PREFIX ## x +#else +#define SYMBOL_NAME(x) x +#endif +#endif +#define __SYMBOL_NAME(x) __stringify(SYMBOL_NAME(x)) + +#ifndef cond_syscall +#define cond_syscall(x) asm(".weak\t" __SYMBOL_NAME(x) \ + "\n\t.set\t" __SYMBOL_NAME(x) "," __SYMBOL_NAME(sys_ni_syscall)); +#endif + +#ifndef SYSCALL_ALIAS +#define SYSCALL_ALIAS(alias, name) \ + asm ("\t.globl " __SYMBOL_NAME(alias) \ + "\n\t.set\t" __SYMBOL_NAME(alias) "," __SYMBOL_NAME(name)) +#endif + #define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE) #define __page_aligned_bss __section(.bss..page_aligned) __aligned(PAGE_SIZE) -- cgit v1.1