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authorAl Viro <viro@zeniv.linux.org.uk>2013-01-21 17:16:07 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-03-03 22:55:19 -0500
commite1b5bb6d1236d4ad2084c53aa83dde7cdf6f8eea (patch)
tree2431edf19caecce6aad82b4ee4ed2abe45e542e3 /arch/alpha
parent4a0fd5bf0fd0795af8f1be3b261f5cf146a4cb9b (diff)
consolidate cond_syscall and SYSCALL_ALIAS declarations
take them to asm/linkage.h, with default in linux/linkage.h Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/include/asm/linkage.h4
-rw-r--r--arch/alpha/include/asm/unistd.h12
2 files changed, 3 insertions, 13 deletions
diff --git a/arch/alpha/include/asm/linkage.h b/arch/alpha/include/asm/linkage.h
index 291c2d01c44..7cfd06e8c93 100644
--- a/arch/alpha/include/asm/linkage.h
+++ b/arch/alpha/include/asm/linkage.h
@@ -1,6 +1,8 @@
#ifndef __ASM_LINKAGE_H
#define __ASM_LINKAGE_H
-/* Nothing to see here... */
+#define cond_syscall(x) asm(".weak\t" #x "\n" #x " = sys_ni_syscall")
+#define SYSCALL_ALIAS(alias, name) \
+ asm ( #alias " = " #name "\n\t.globl " #alias)
#endif
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index 6d6fe7ab547..43baee17acd 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -18,16 +18,4 @@
#define __ARCH_WANT_SYS_VFORK
#define __ARCH_WANT_SYS_CLONE
-/* "Conditional" syscalls. What we want is
-
- __attribute__((weak,alias("sys_ni_syscall")))
-
- but that raises the problem of what type to give the symbol. If we use
- a prototype, it'll conflict with the definition given in this file and
- others. If we use __typeof, we discover that not all symbols actually
- have declarations. If we use no prototype, then we get warnings from
- -Wstrict-prototypes. Ho hum. */
-
-#define cond_syscall(x) asm(".weak\t" #x "\n" #x " = sys_ni_syscall")
-
#endif /* _ALPHA_UNISTD_H */