The following commit has been merged into the x86/entry branch of tip:
Commit-ID: 3cba325b358f86357b5ce50eb9e6633183927eee
Gitweb: https://git.kernel.org/tip/3cba325b358f86357b5ce50eb9e6633183927eee
Author: Masahiro Yamada <masahiroy@xxxxxxxxxx>
AuthorDate: Mon, 17 May 2021 16:38:14 +09:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Thu, 20 May 2021 15:03:59 +02:00
x86/syscalls: Switch to generic syscallhdr.sh
Many architectures duplicate similar shell scripts.
Converts x86 to use scripts/syscallhdr.sh.
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210517073815.97426-7-masahiroy@xxxxxxxxxx
---
arch/x86/entry/syscalls/Makefile | 26 +++++++++----------
arch/x86/entry/syscalls/syscallhdr.sh | 35 +--------------------------
2 files changed, 13 insertions(+), 48 deletions(-)
delete mode 100644 arch/x86/entry/syscalls/syscallhdr.sh
diff --git a/arch/x86/entry/syscalls/Makefile b/arch/x86/entry/syscalls/Makefile
index c4bd8dd..8eb014b 100644
--- a/arch/x86/entry/syscalls/Makefile
+++ b/arch/x86/entry/syscalls/Makefile
@@ -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)
diff --git a/arch/x86/entry/syscalls/syscallhdr.sh b/arch/x86/entry/syscalls/syscallhdr.sh
deleted file mode 100644
index 75e66af..0000000
--- a/arch/x86/entry/syscalls/syscallhdr.sh
+++ /dev/null
@@ -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"
|