From: Masahiro Yamada <masahiroy@kernel.org>
To: patches@arm.linux.org.uk
Cc: linux-kernel@vger.kernel.org,
Masahiro Yamada <masahiroy@kernel.org>,
Ard Biesheuvel <ardb@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Linus Walleij <linus.walleij@linaro.org>,
Russell King <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: syscalls: switch to generic syscalltbl.sh
Date: Mon, 1 Mar 2021 23:16:06 +0900 [thread overview]
Message-ID: <20210301141606.341743-1-masahiroy@kernel.org> (raw)
Many architectures duplicate similar shell scripts.
This commit converts ARM to use scripts/syscalltbl.sh.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
arch/arm/kernel/entry-common.S | 8 ++++----
arch/arm/tools/Makefile | 9 ++++-----
arch/arm/tools/syscalltbl.sh | 22 ----------------------
3 files changed, 8 insertions(+), 31 deletions(-)
delete mode 100644 arch/arm/tools/syscalltbl.sh
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index e0d7833a1827..7f0b7aba1498 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -344,20 +344,19 @@ ENTRY(\sym)
.size \sym, . - \sym
.endm
-#define NATIVE(nr, func) syscall nr, func
+#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native)
+#define __SYSCALL(nr, func) syscall nr, func
/*
* This is the syscall table declaration for native ABI syscalls.
* With EABI a couple syscalls are obsolete and defined as sys_ni_syscall.
*/
syscall_table_start sys_call_table
-#define COMPAT(nr, native, compat) syscall nr, native
#ifdef CONFIG_AEABI
#include <calls-eabi.S>
#else
#include <calls-oabi.S>
#endif
-#undef COMPAT
syscall_table_end sys_call_table
/*============================================================================
@@ -455,7 +454,8 @@ ENDPROC(sys_oabi_readahead)
* using the compatibility syscall entries.
*/
syscall_table_start sys_oabi_call_table
-#define COMPAT(nr, native, compat) syscall nr, compat
+#undef __SYSCALL_WITH_COMPAT
+#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, compat)
#include <calls-oabi.S>
syscall_table_end sys_oabi_call_table
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index 3654f979851b..d8be90f2bb41 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -10,7 +10,7 @@ kapi := $(gen)/asm
uapi := $(gen)/uapi/asm
syshdr := $(srctree)/$(src)/syscallhdr.sh
sysnr := $(srctree)/$(src)/syscallnr.sh
-systbl := $(srctree)/$(src)/syscalltbl.sh
+systbl := $(srctree)/scripts/syscalltbl.sh
syscall := $(src)/syscall.tbl
gen-y := $(gen)/calls-oabi.S
@@ -47,8 +47,7 @@ quiet_cmd_syshdr = SYSHDR $@
'__NR_SYSCALL_BASE'
quiet_cmd_systbl = SYSTBL $@
- cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \
- '$(systbl_abi_$(basetarget))'
+ cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
quiet_cmd_sysnr = SYSNR $@
cmd_sysnr = $(CONFIG_SHELL) '$(sysnr)' '$<' '$@' \
@@ -70,10 +69,10 @@ sysnr_abi_unistd-nr := common,oabi,eabi,compat
$(kapi)/unistd-nr.h: $(syscall) $(sysnr) FORCE
$(call if_changed,sysnr)
-systbl_abi_calls-oabi := common,oabi
+$(gen)/calls-oabi.S: abis := common,oabi
$(gen)/calls-oabi.S: $(syscall) $(systbl) FORCE
$(call if_changed,systbl)
-systbl_abi_calls-eabi := common,eabi
+$(gen)/calls-eabi.S: abis := common,eabi
$(gen)/calls-eabi.S: $(syscall) $(systbl) FORCE
$(call if_changed,systbl)
diff --git a/arch/arm/tools/syscalltbl.sh b/arch/arm/tools/syscalltbl.sh
deleted file mode 100644
index ae7e93cfbfd3..000000000000
--- a/arch/arm/tools/syscalltbl.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-in="$1"
-out="$2"
-my_abis=`echo "($3)" | tr ',' '|'`
-
-grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
- while read nr abi name entry compat; do
- if [ "$abi" = "eabi" -a -n "$compat" ]; then
- echo "$in: error: a compat entry for an EABI syscall ($name) makes no sense" >&2
- exit 1
- fi
-
- if [ -n "$entry" ]; then
- if [ -z "$compat" ]; then
- echo "NATIVE($nr, $entry)"
- else
- echo "COMPAT($nr, $entry, $compat)"
- fi
- fi
- done
-) > "$out"
--
2.27.0
next reply other threads:[~2021-03-01 14:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 14:16 Masahiro Yamada [this message]
2021-03-01 14:28 [PATCH] ARM: syscalls: switch to generic syscalltbl.sh Masahiro Yamada
2021-03-05 10:04 ` Linus Walleij
2021-03-05 14:53 ` Masahiro Yamada
2021-03-25 14:10 ` Russell King - ARM Linux admin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210301141606.341743-1-masahiroy@kernel.org \
--to=masahiroy@kernel.org \
--cc=ardb@kernel.org \
--cc=axboe@kernel.dk \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=patches@arm.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).