mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Andy Lutomirski <luto@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, "Brian Gerst" <brgerst@gmail.com>,
	"Borislav Petkov" <bp@alien8.de>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>,
	"Denys Vlasenko" <dvlasenk@redhat.com>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	"Andy Lutomirski" <luto@kernel.org>
Subject: [PATCH v2 03/10] x86/syscalls: Refactor syscalltbl.sh
Date: Thu, 28 Jan 2016 15:11:21 -0800	[thread overview]
Message-ID: <1bfcbba991f5cfaa9291ff950a593daa972a205f.1454022279.git.luto@kernel.org> (raw)
In-Reply-To: <cover.1454022279.git.luto@kernel.org>
In-Reply-To: <cover.1454022279.git.luto@kernel.org>

This splits out the code to emit a syscall line.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
---
 arch/x86/entry/syscalls/syscalltbl.sh | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/arch/x86/entry/syscalls/syscalltbl.sh b/arch/x86/entry/syscalls/syscalltbl.sh
index 0e7f8ec071e7..167965ee742e 100644
--- a/arch/x86/entry/syscalls/syscalltbl.sh
+++ b/arch/x86/entry/syscalls/syscalltbl.sh
@@ -3,13 +3,21 @@
 in="$1"
 out="$2"
 
+emit() {
+    abi="$1"
+    nr="$2"
+    entry="$3"
+    compat="$4"
+    if [ -n "$compat" ]; then
+	echo "__SYSCALL_${abi}($nr, $entry, $compat)"
+    elif [ -n "$entry" ]; then
+	echo "__SYSCALL_${abi}($nr, $entry, $entry)"
+    fi
+}
+
 grep '^[0-9]' "$in" | sort -n | (
     while read nr abi name entry compat; do
 	abi=`echo "$abi" | tr '[a-z]' '[A-Z]'`
-	if [ -n "$compat" ]; then
-	    echo "__SYSCALL_${abi}($nr, $entry, $compat)"
-	elif [ -n "$entry" ]; then
-	    echo "__SYSCALL_${abi}($nr, $entry, $entry)"
-	fi
+	emit "$abi" "$nr" "$entry" "$compat"
     done
 ) > "$out"
-- 
2.5.0

  parent reply	other threads:[~2016-01-28 23:14 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-28 23:11 [PATCH v2 00/10] x86: Rewrite 64-bit syscall code Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 01/10] selftests/x86: Extend Makefile to allow 64-bit-only tests Andy Lutomirski
2016-01-29 11:33   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 02/10] selftests/x86: Add check_initial_reg_state Andy Lutomirski
2016-01-29 11:34   ` [tip:x86/asm] selftests/x86: Add check_initial_reg_state() tip-bot for Andy Lutomirski
2016-01-28 23:11 ` Andy Lutomirski [this message]
2016-01-29 11:34   ` [tip:x86/asm] x86/syscalls: Refactor syscalltbl.sh tip-bot for Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 04/10] x86/syscalls: Remove __SYSCALL_COMMON and __SYSCALL_X32 Andy Lutomirski
2016-01-29 11:34   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2016-01-29 21:23     ` H. Peter Anvin
2016-01-29 22:19       ` Brian Gerst
2016-01-29 22:23         ` Andy Lutomirski
2016-01-30  9:31           ` Ingo Molnar
2016-01-30 17:35             ` Andy Lutomirski
2016-01-30 21:22               ` H. Peter Anvin
2016-01-30 18:40         ` H. Peter Anvin
2016-01-28 23:11 ` [PATCH v2 05/10] x86/syscalls: Move compat syscall entry handling into syscalltbl.sh Andy Lutomirski
2016-01-29 11:35   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 06/10] x86/syscalls: Add syscall entry qualifiers Andy Lutomirski
2016-01-29 11:35   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 07/10] x86/entry/64: Always run ptregs-using syscalls on the slow path Andy Lutomirski
2016-01-29 11:35   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 08/10] x86/entry/64: Call all native slow-path syscalls with full pt-regs Andy Lutomirski
2016-01-29 11:36   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 09/10] x86/entry/64: Stop using int_ret_from_sys_call in ret_from_fork Andy Lutomirski
2016-01-29 11:36   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2016-01-28 23:11 ` [PATCH v2 10/10] x86/entry/64: Migrate the 64-bit syscall slow path to C Andy Lutomirski
2016-01-29 11:36   ` [tip:x86/asm] " tip-bot for Andy Lutomirski

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=1bfcbba991f5cfaa9291ff950a593daa972a205f.1454022279.git.luto@kernel.org \
    --to=luto@kernel.org \
    --cc=bp@alien8.de \
    --cc=brgerst@gmail.com \
    --cc=dvlasenk@redhat.com \
    --cc=fweisbec@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=torvalds@linux-foundation.org \
    --cc=x86@kernel.org \
    /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

all inboxes | Powered by JetHome®