Commit 6cbb369f authored by H. Peter Anvin's avatar H. Peter Anvin

x32: Generate <asm/unistd_x32.h>

Generate <asm/unistd_x32.h>; this exports x32 system call numbers to
user space.

[ v2: Enclose all arguments to syshdr in '' so empty arguments aren't
      dropped on the floor. ]
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 6630f11b
......@@ -25,3 +25,4 @@ header-y += vsyscall.h
genhdr-y += unistd_32.h
genhdr-y += unistd_64.h
genhdr-y += unistd_x32.h
#ifndef _ASM_X86_UNISTD_H
#define _ASM_X86_UNISTD_H 1
/* x32 syscall flag bit */
#define __X32_SYSCALL_BIT 0x40000000
#ifdef __KERNEL__
# ifdef CONFIG_X86_32
......@@ -52,8 +55,10 @@
#else
# ifdef __i386__
# include <asm/unistd_32.h>
# else
# elif defined(__LP64__)
# include <asm/unistd_64.h>
# else
# include <asm/unistd_x32.h>
# endif
#endif
......
......@@ -10,8 +10,10 @@ syshdr := $(srctree)/$(src)/syscallhdr.sh
systbl := $(srctree)/$(src)/syscalltbl.sh
quiet_cmd_syshdr = SYSHDR $@
cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' $< $@ \
$(syshdr_abi_$(basetarget)) $(syshdr_pfx_$(basetarget))
cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
'$(syshdr_abi_$(basetarget))' \
'$(syshdr_pfx_$(basetarget))' \
'$(syshdr_offset_$(basetarget))'
quiet_cmd_systbl = SYSTBL $@
cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
......@@ -24,6 +26,11 @@ syshdr_pfx_unistd_32_ia32 := ia32_
$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
$(call if_changed,syshdr)
syshdr_abi_unistd_x32 := common,x32
syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
$(out)/unistd_x32.h: $(syscall64) $(syshdr)
$(call if_changed,syshdr)
syshdr_abi_unistd_64 := common,64
$(out)/unistd_64.h: $(syscall64) $(syshdr)
$(call if_changed,syshdr)
......@@ -33,7 +40,7 @@ $(out)/syscalls_32.h: $(syscall32) $(systbl)
$(out)/syscalls_64.h: $(syscall64) $(systbl)
$(call if_changed,systbl)
syshdr-y += unistd_32.h unistd_64.h
syshdr-y += unistd_32.h unistd_64.h unistd_x32.h
syshdr-y += syscalls_32.h
syshdr-$(CONFIG_X86_64) += unistd_32_ia32.h
syshdr-$(CONFIG_X86_64) += syscalls_64.h
......
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