diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2012-02-19 20:08:37 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2012-02-20 21:52:06 +0100 |
| commit | a06c9bc0647f66df0534fb887ddf6cddd35f426c (patch) | |
| tree | 331f629c2771c81cc280ae8b769f00bdc0fb77d0 /arch/x86 | |
| parent | x32: Handle process creation (diff) | |
| download | linux-a06c9bc0647f66df0534fb887ddf6cddd35f426c.tar.xz linux-a06c9bc0647f66df0534fb887ddf6cddd35f426c.zip | |
x32: If configured, add x32 system calls to system call tables
If CONFIG_X86_X32_ABI is defined, add the x32 system calls to the
system call tables.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/asm-offsets_64.c | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/syscall_64.c | 7 |
2 files changed, 11 insertions, 2 deletions
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index c3354f7b0a06..1b4754f82ba7 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -2,7 +2,11 @@ #define __SYSCALL_64(nr, sym, compat) [nr] = 1, #define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1, -#define __SYSCALL_X32(nr, sym, compat) /* Not yet */ +#ifdef CONFIG_X86_X32_ABI +# define __SYSCALL_X32(nr, sym, compat) [nr] = 1, +#else +# define __SYSCALL_X32(nr, sym, compat) /* nothing */ +#endif static char syscalls_64[] = { #include <asm/syscalls_64.h> }; diff --git a/arch/x86/kernel/syscall_64.c b/arch/x86/kernel/syscall_64.c index 26c4ca1f20e8..5c7f8c20da74 100644 --- a/arch/x86/kernel/syscall_64.c +++ b/arch/x86/kernel/syscall_64.c @@ -6,7 +6,12 @@ #include <asm/asm-offsets.h> #define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat) -#define __SYSCALL_X32(nr, sym, compat) /* Not yet */ + +#ifdef CONFIG_X86_X32_ABI +# define __SYSCALL_X32(nr, sym, compat) __SYSCALL_64(nr, sym, compat) +#else +# define __SYSCALL_X32(nr, sym, compat) /* nothing */ +#endif #define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ; #include <asm/syscalls_64.h> |