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original_kernel/arch/x86/syscalls/Makefile

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x86: Machine-readable syscall tables and scripts to process them Create a simple set of syscall tables and scripts to turn them into both header files (unistd_*.h) and macros for generating the system call tables. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-11-12 07:55:49 +08:00
out := $(obj)/../include/generated/asm
# Create output directory if not already present
_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)')
syscall32 := $(srctree)/$(src)/syscall_32.tbl
syscall64 := $(srctree)/$(src)/syscall_64.tbl
syshdr := $(srctree)/$(src)/syscallhdr.sh
systbl := $(srctree)/$(src)/syscalltbl.sh
quiet_cmd_syshdr = SYSHDR $@
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: H. Peter Anvin <hpa@zytor.com>
2012-02-15 06:38:31 +08:00
cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
'$(syshdr_abi_$(basetarget))' \
'$(syshdr_pfx_$(basetarget))' \
'$(syshdr_offset_$(basetarget))'
x86: Machine-readable syscall tables and scripts to process them Create a simple set of syscall tables and scripts to turn them into both header files (unistd_*.h) and macros for generating the system call tables. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-11-12 07:55:49 +08:00
quiet_cmd_systbl = SYSTBL $@
cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@
syshdr_abi_unistd_32 := i386
$(out)/unistd_32.h: $(syscall32) $(syshdr)
$(call if_changed,syshdr)
syshdr_abi_unistd_32_ia32 := i386
syshdr_pfx_unistd_32_ia32 := ia32_
$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
$(call if_changed,syshdr)
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: H. Peter Anvin <hpa@zytor.com>
2012-02-15 06:38:31 +08:00
syshdr_abi_unistd_x32 := common,x32
syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
$(out)/unistd_x32.h: $(syscall64) $(syshdr)
$(call if_changed,syshdr)
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: H. Peter Anvin <hpa@zytor.com>
2012-02-15 06:18:50 +08:00
syshdr_abi_unistd_64 := common,64
x86: Machine-readable syscall tables and scripts to process them Create a simple set of syscall tables and scripts to turn them into both header files (unistd_*.h) and macros for generating the system call tables. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-11-12 07:55:49 +08:00
$(out)/unistd_64.h: $(syscall64) $(syshdr)
$(call if_changed,syshdr)
x32: Generate <asm/unistd_64_x32.h> Generate macros for the *kernel* code to use to refer to x32 system calls. These have an __NR_x32_ prefix and do not include __X32_SYSCALL_BIT. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-02-15 06:46:23 +08:00
syshdr_abi_unistd_64_x32 := x32
syshdr_pfx_unistd_64_x32 := x32_
$(out)/unistd_64_x32.h: $(syscall64) $(syshdr)
$(call if_changed,syshdr)
x86: Machine-readable syscall tables and scripts to process them Create a simple set of syscall tables and scripts to turn them into both header files (unistd_*.h) and macros for generating the system call tables. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-11-12 07:55:49 +08:00
$(out)/syscalls_32.h: $(syscall32) $(systbl)
$(call if_changed,systbl)
$(out)/syscalls_64.h: $(syscall64) $(systbl)
$(call if_changed,systbl)
x32: Generate <asm/unistd_x32.h> Generate <asm/unistd_x32.h>; this exports x32 system call numbers to user space. [ v2: Enclose all arguments to syshdr in '' so empty arguments aren't dropped on the floor. ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-02-15 06:38:31 +08:00
syshdr-y += unistd_32.h unistd_64.h unistd_x32.h
x86: Machine-readable syscall tables and scripts to process them Create a simple set of syscall tables and scripts to turn them into both header files (unistd_*.h) and macros for generating the system call tables. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-11-12 07:55:49 +08:00
syshdr-y += syscalls_32.h
x32: Generate <asm/unistd_64_x32.h> Generate macros for the *kernel* code to use to refer to x32 system calls. These have an __NR_x32_ prefix and do not include __X32_SYSCALL_BIT. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-02-15 06:46:23 +08:00
syshdr-$(CONFIG_X86_64) += unistd_32_ia32.h unistd_64_x32.h
x86: Machine-readable syscall tables and scripts to process them Create a simple set of syscall tables and scripts to turn them into both header files (unistd_*.h) and macros for generating the system call tables. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-11-12 07:55:49 +08:00
syshdr-$(CONFIG_X86_64) += syscalls_64.h
targets += $(syshdr-y)
all: $(addprefix $(out)/,$(targets))