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x86/syscalls: Switch to generic syscallhdr.sh

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Many architectures duplicate similar shell scripts.

Converts x86 to use scripts/syscallhdr.sh.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210517073815.97426-7-masahiroy@kernel.org
This commit is contained in:
Masahiro Yamada 2021-05-17 16:38:14 +09:00 committed by Thomas Gleixner
parent 49f731f197
commit 3cba325b35
2 changed files with 13 additions and 48 deletions
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26
arch/x86/entry/syscalls/Makefile
View File

@ -9,40 +9,40 @@ _dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') \
syscall32 := $(src)/syscall_32.tbl
syscall64 := $(src)/syscall_64.tbl
syshdr := $(srctree)/$(src)/syscallhdr.sh
syshdr := $(srctree)/scripts/syscallhdr.sh
systbl := $(srctree)/scripts/syscalltbl.sh
quiet_cmd_syshdr = SYSHDR $@
cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
'$(syshdr_abi_$(basetarget))' \
'$(syshdr_pfx_$(basetarget))' \
'$(syshdr_offset_$(basetarget))'
cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) --emit-nr \
$(if $(offset),--offset $(offset)) \
$(if $(prefix),--prefix $(prefix)) \
$< $@
quiet_cmd_systbl = SYSTBL $@
cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
quiet_cmd_hypercalls = HYPERCALLS $@
cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<, $(real-prereqs))
syshdr_abi_unistd_32 := i386
$(uapi)/unistd_32.h: abis := i386
$(uapi)/unistd_32.h: $(syscall32) $(syshdr) FORCE
$(call if_changed,syshdr)
syshdr_abi_unistd_32_ia32 := i386
syshdr_pfx_unistd_32_ia32 := ia32_
$(out)/unistd_32_ia32.h: abis := i386
$(out)/unistd_32_ia32.h: prefix := ia32_
$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr) FORCE
$(call if_changed,syshdr)
syshdr_abi_unistd_x32 := common,x32
syshdr_offset_unistd_x32 := __X32_SYSCALL_BIT
$(uapi)/unistd_x32.h: abis := common,x32
$(uapi)/unistd_x32.h: offset := __X32_SYSCALL_BIT
$(uapi)/unistd_x32.h: $(syscall64) $(syshdr) FORCE
$(call if_changed,syshdr)
syshdr_abi_unistd_64 := common,64
$(uapi)/unistd_64.h: abis := common,64
$(uapi)/unistd_64.h: $(syscall64) $(syshdr) FORCE
$(call if_changed,syshdr)
syshdr_abi_unistd_64_x32 := x32
syshdr_pfx_unistd_64_x32 := x32_
$(out)/unistd_64_x32.h: abis := x32
$(out)/unistd_64_x32.h: prefix := x32_
$(out)/unistd_64_x32.h: $(syscall64) $(syshdr) FORCE
$(call if_changed,syshdr)

35
arch/x86/entry/syscalls/syscallhdr.sh
View File

@ -1,35 +0,0 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
my_abis=`echo "($3)" | tr ',' '|'`
prefix="$4"
offset="$5"
fileguard=_ASM_X86_`basename "$out" | sed \
-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
echo "#ifndef ${fileguard}"
echo "#define ${fileguard} 1"
echo ""
max=0
while read nr abi name entry ; do
if [ -z "$offset" ]; then
echo "#define __NR_${prefix}${name} $nr"
else
echo "#define __NR_${prefix}${name} ($offset + $nr)"
fi
max=$nr
done
echo ""
echo "#ifdef __KERNEL__"
echo "#define __NR_${prefix}syscalls $(($max + 1))"
echo "#endif"
echo ""
echo "#endif /* ${fileguard} */"
) > "$out"