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| author | sylvain.bertrand@gmail.com <sylvain.bertrand@gmail.com> | 2016-09-29 19:22:34 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-10-05 12:34:25 +0300 |
| commit | 2df0e78b44e2cbbaa1e319cbca34f23599a4daa0 (patch) | |
| tree | 5d8e7435e9b94d2e6d8c1c53ff7f26ddd720cdac /arch/x86 | |
| parent | db91aa793ff984ac048e199ea1c54202543952fe (diff) | |
| download | linux-2df0e78b44e2cbbaa1e319cbca34f23599a4daa0.tar.xz | |
x86/syscalls: Remove bash-isms in syscall table generator
Signed-off-by: Sylvain BERTRAND <sylvain.bertrand@gmail.com>
Link: http://lkml.kernel.org/r/20160929162234.GA29592@freedom
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/entry/syscalls/syscalltbl.sh | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/entry/syscalls/syscalltbl.sh b/arch/x86/entry/syscalls/syscalltbl.sh index cd3d3015d7df..751d1f992630 100644 --- a/arch/x86/entry/syscalls/syscalltbl.sh +++ b/arch/x86/entry/syscalls/syscalltbl.sh @@ -10,8 +10,11 @@ syscall_macro() { # Entry can be either just a function name or "function/qualifier" real_entry="${entry%%/*}" - qualifier="${entry:${#real_entry}}" # Strip the function name - qualifier="${qualifier:1}" # Strip the slash, if any + if [ "$entry" = "$real_entry" ]; then + qualifier= + else + qualifier=${entry#*/} + fi echo "__SYSCALL_${abi}($nr, $real_entry, $qualifier)" } @@ -22,7 +25,7 @@ emit() { entry="$3" compat="$4" - if [ "$abi" == "64" -a -n "$compat" ]; then + if [ "$abi" = "64" -a -n "$compat" ]; then echo "a compat entry for a 64-bit syscall makes no sense" >&2 exit 1 fi @@ -45,17 +48,17 @@ emit() { grep '^[0-9]' "$in" | sort -n | ( while read nr abi name entry compat; do abi=`echo "$abi" | tr '[a-z]' '[A-Z]'` - if [ "$abi" == "COMMON" -o "$abi" == "64" ]; then + if [ "$abi" = "COMMON" -o "$abi" = "64" ]; then # COMMON is the same as 64, except that we don't expect X32 # programs to use it. Our expectation has nothing to do with # any generated code, so treat them the same. emit 64 "$nr" "$entry" "$compat" - elif [ "$abi" == "X32" ]; then + elif [ "$abi" = "X32" ]; then # X32 is equivalent to 64 on an X32-compatible kernel. echo "#ifdef CONFIG_X86_X32_ABI" emit 64 "$nr" "$entry" "$compat" echo "#endif" - elif [ "$abi" == "I386" ]; then + elif [ "$abi" = "I386" ]; then emit "$abi" "$nr" "$entry" "$compat" else echo "Unknown abi $abi" >&2 |