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Commit 6630f11b authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

x32: Add x32 system calls to syscall/syscall_64.tbl 



Split the 64-bit system calls into "64" (64-bit only) and "common"
(64-bit or x32) and add the x32 system call numbers.

Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 2c73ce73

arch/x86/kernel/asm-offsets_64.c

+2 −0
Original line number Diff line number Diff line 
#include <asm/ia32.h>



#define __SYSCALL_64(nr, sym, compat) [nr] = 1,

#define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,

#define __SYSCALL_X32(nr, sym, compat) /* Not yet */

static char syscalls_64[] = {

#include <asm/syscalls_64.h>

};

arch/x86/kernel/syscall_64.c

+3 −0
Original line number Diff line number Diff line
@@ -5,6 +5,9 @@ 
#include <linux/cache.h>

#include <asm/asm-offsets.h>



#define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)

#define __SYSCALL_X32(nr, sym, compat) /* Not yet */



#define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;

#include <asm/syscalls_64.h>

#undef __SYSCALL_64

arch/x86/syscalls/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ syshdr_pfx_unistd_32_ia32 := ia32_ 
$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)

	$(call if_changed,syshdr)



syshdr_abi_unistd_64 := 64

syshdr_abi_unistd_64 := common,64

$(out)/unistd_64.h: $(syscall64) $(syshdr)

	$(call if_changed,syshdr)

arch/x86/syscalls/syscall_64.tbl

+306 −273

File changed.

Preview size limit exceeded, changes collapsed.

arch/x86/um/sys_call_table_64.c

+3 −0
Original line number Diff line number Diff line
@@ -35,6 +35,9 @@ 
#define stub_sigaltstack sys_sigaltstack

#define stub_rt_sigreturn sys_rt_sigreturn



#define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)

#define __SYSCALL_X32(nr, sym, compat) /* Not supported */



#define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;

#include <asm/syscalls_64.h>