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authorAndy Lutomirski <luto@kernel.org>2016-01-28 15:11:21 -0800
committerIngo Molnar <mingo@kernel.org>2016-01-29 09:46:37 +0100
commitfba324744bfd2a7948a7710d7a021d76dafb9b67 (patch)
treeb096f6346104a429bd55fc55e15137e4ae958758 /arch/x86/entry/syscalls
parentselftests/x86: Add check_initial_reg_state() (diff)
downloadlinux-dev-fba324744bfd2a7948a7710d7a021d76dafb9b67.tar.xz
linux-dev-fba324744bfd2a7948a7710d7a021d76dafb9b67.zip
x86/syscalls: Refactor syscalltbl.sh
This splits out the code to emit a syscall line. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1bfcbba991f5cfaa9291ff950a593daa972a205f.1454022279.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/entry/syscalls')
-rw-r--r--arch/x86/entry/syscalls/syscalltbl.sh18
1 files 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"