Commit-ID: fba324744bfd2a7948a7710d7a021d76dafb9b67
Gitweb: http://git.kernel.org/tip/fba324744bfd2a7948a7710d7a021d76dafb9b67
Author: Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Thu, 28 Jan 2016 15:11:21 -0800
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Fri, 29 Jan 2016 09:46:37 +0100
x86/syscalls: Refactor syscalltbl.sh
This splits out the code to emit a syscall line.
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1bfcbba991f5cfaa9291ff950a593daa972a205f.1454022279.git.luto@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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 0e7f8ec..167965e 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"
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