diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-14 14:14:00 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-18 10:35:33 -0800 |
| commit | cc742555d86b352c1e1df2caddf5baebb6e52ffe (patch) | |
| tree | 1d5b4799cc1abb89cee694b4cfec4e59951c691a /include | |
| parent | 60926cea6eee24ab1e4650ddbb28ed43ca63acfc (diff) | |
powerpc: Enable syscall wrappers for 64-bit
commit ee6a093222549ac0c72cfd296c69fa5e7d6daa34 upstream.
This enables the use of syscall wrappers to do proper sign extension
for 64-bit programs.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/syscalls.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index b17ab6906d11..8061f611219e 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -103,8 +103,14 @@ struct old_linux_dirent; #define SYSCALL_DEFINE5(...) SYSCALL_DEFINEx(5, __VA_ARGS__) #define SYSCALL_DEFINE6(...) SYSCALL_DEFINEx(6, __VA_ARGS__) +#ifdef CONFIG_PPC64 +#define SYSCALL_ALIAS(alias, name) \ + asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \ + "\t.globl ." #alias "\n\t.set ." #alias ", ." #name) +#else #define SYSCALL_ALIAS(alias, name) \ asm ("\t.globl " #alias "\n\t.set " #alias ", " #name) +#endif #ifdef CONFIG_HAVE_SYSCALL_WRAPPERS |