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Commit a06c9bc0 authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

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: default avatarH. Peter Anvin <hpa@zytor.com>
parent d1a797f3

arch/x86/kernel/asm-offsets_64.c

+5 −1
Original line number Diff line number Diff line
@@ -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>

};

arch/x86/kernel/syscall_64.c

+6 −1
Original line number Diff line number Diff line
@@ -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>