diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-06-03 18:41:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-06-04 07:37:37 +0200 |
| commit | 00398a0018d1334fedabfeaabd0fa563121de612 (patch) | |
| tree | 81d6a7ccfabbf9d48126c5110678ce8de9775317 /arch/x86/entry/syscall_32.c | |
| parent | 1f57d5d85ba7f1f467173ff33f51d01a91f9aaf1 (diff) | |
x86/asm/entry: Move the vsyscall code to arch/x86/entry/vsyscall/
The vsyscall code is entry code too, so move it to arch/x86/entry/vsyscall/.
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/entry/syscall_32.c')
| -rw-r--r-- | arch/x86/entry/syscall_32.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c new file mode 100644 index 000000000000..3777189c4a19 --- /dev/null +++ b/arch/x86/entry/syscall_32.c @@ -0,0 +1,33 @@ +/* System call table for i386. */ + +#include <linux/linkage.h> +#include <linux/sys.h> +#include <linux/cache.h> +#include <asm/asm-offsets.h> + +#ifdef CONFIG_IA32_EMULATION +#define SYM(sym, compat) compat +#else +#define SYM(sym, compat) sym +#define ia32_sys_call_table sys_call_table +#define __NR_ia32_syscall_max __NR_syscall_max +#endif + +#define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void SYM(sym, compat)(void) ; +#include <asm/syscalls_32.h> +#undef __SYSCALL_I386 + +#define __SYSCALL_I386(nr, sym, compat) [nr] = SYM(sym, compat), + +typedef asmlinkage void (*sys_call_ptr_t)(void); + +extern asmlinkage void sys_ni_syscall(void); + +__visible const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = { + /* + * Smells like a compiler bug -- it doesn't work + * when the & below is removed. + */ + [0 ... __NR_ia32_syscall_max] = &sys_ni_syscall, +#include <asm/syscalls_32.h> +}; |