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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 03/12] x86/syscalls: Refactor syscalltbl.sh
Date: Mon,  7 Dec 2015 13:51:28 -0800	[thread overview]
Message-ID: <ba2971fee49707338ef7c502c08dcd13b0b5b5fb.1449522077.git.luto@kernel.org> (raw)
In-Reply-To: <cover.1449522077.git.luto@kernel.org>
In-Reply-To: <cover.1449522077.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:[~2015-12-07 21:51 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-07 21:51 [PATCH 00/12] x86: Rewrite 64-bit syscall code Andy Lutomirski
2015-12-07 21:51 ` [PATCH 01/12] selftests/x86: Extend Makefile to allow 64-bit only tests Andy Lutomirski
2015-12-08  9:34   ` Borislav Petkov
2015-12-09 18:55     ` Andy Lutomirski
2015-12-09 19:11   ` Shuah Khan
2015-12-09 19:22     ` Andy Lutomirski
2015-12-09 19:58       ` Shuah Khan
2015-12-07 21:51 ` [PATCH 02/12] selftests/x86: Add check_initial_reg_state Andy Lutomirski
2015-12-08  9:54   ` Borislav Petkov
2015-12-09 18:56     ` Andy Lutomirski
2015-12-09 19:09       ` Borislav Petkov
2015-12-09 19:20         ` Andy Lutomirski
2015-12-09 19:28           ` Borislav Petkov
2015-12-07 21:51 ` Andy Lutomirski [this message]
2015-12-07 21:51 ` [PATCH 04/12] x86/syscalls: Remove __SYSCALL_COMMON and __SYSCALL_X32 Andy Lutomirski
2015-12-07 21:51 ` [PATCH 05/12] x86/syscalls: Move compat syscall entry handling into syscalltbl.sh Andy Lutomirski
2015-12-07 21:51 ` [PATCH 06/12] x86/syscalls: Add syscall entry qualifiers Andy Lutomirski
2015-12-07 21:51 ` [PATCH 07/12] x86/entry/64: Always run ptregs-using syscalls on the slow path Andy Lutomirski
2015-12-08  0:50   ` Brian Gerst
2015-12-08  0:54     ` Brian Gerst
2015-12-08  1:12       ` Andy Lutomirski
2015-12-08 13:07         ` Brian Gerst
2015-12-08 18:56           ` Ingo Molnar
2015-12-08 21:51             ` Andy Lutomirski
2015-12-09  4:43   ` Brian Gerst
2015-12-09  5:45     ` Andy Lutomirski
2015-12-09  6:21       ` Andy Lutomirski
2015-12-09 12:52         ` Brian Gerst
2015-12-09 13:02         ` [PATCH] x86/entry/64: Remove duplicate syscall table for fast path Brian Gerst
2015-12-09 18:53           ` Andy Lutomirski
2015-12-09 21:08             ` Brian Gerst
2015-12-09 21:15               ` Andy Lutomirski
2015-12-09 23:50                 ` Andy Lutomirski
2015-12-10  5:42                   ` Brian Gerst
2015-12-10  5:54                     ` Andy Lutomirski
2015-12-09 19:30           ` Andy Lutomirski
2015-12-07 21:51 ` [PATCH 08/12] x86/entry/64: Call all native slow-path syscalls with full pt-regs Andy Lutomirski
2015-12-07 21:51 ` [PATCH 09/12] x86/entry/64: Stop using int_ret_from_sys_call in ret_from_fork Andy Lutomirski
2015-12-07 21:51 ` [PATCH 10/12] x86/entry/64: Migrate the 64-bit syscall slow path to C Andy Lutomirski
2015-12-07 21:51 ` [PATCH 11/12] x86/entry/32: Change INT80 to be an interrupt gate Andy Lutomirski
2016-04-01  1:45   ` Rusty Russell
2016-04-01  7:40     ` [tip:x86/urgent] lguest, x86/entry/32: Fix handling of guest syscalls using interrupt gates tip-bot for Rusty Russell
2015-12-07 21:51 ` [PATCH 12/12] x86/entry: Do enter_from_user_mode with IRQs off Andy Lutomirski
2015-12-07 22:55 ` [PATCH 00/12] x86: Rewrite 64-bit syscall code Andy Lutomirski
2015-12-08  4:42   ` Ingo Molnar
2015-12-08  5:42     ` Andy Lutomirski
2015-12-08  7:00       ` Ingo Molnar

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