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-rwxr-xr-xscripts/atomic/gen-atomic-fallback.sh33
1 files changed, 18 insertions, 15 deletions
diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh
index a45154cefa..f80d69cfeb 100755
--- a/scripts/atomic/gen-atomic-fallback.sh
+++ b/scripts/atomic/gen-atomic-fallback.sh
@@ -223,14 +223,15 @@ gen_xchg_fallbacks()
gen_try_cmpxchg_fallback()
{
+ local prefix="$1"; shift
local cmpxchg="$1"; shift;
- local order="$1"; shift;
+ local suffix="$1"; shift;
cat <<EOF
-#define raw_try_${cmpxchg}${order}(_ptr, _oldp, _new) \\
+#define raw_${prefix}try_${cmpxchg}${suffix}(_ptr, _oldp, _new) \\
({ \\
typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \\
- ___r = raw_${cmpxchg}${order}((_ptr), ___o, (_new)); \\
+ ___r = raw_${prefix}${cmpxchg}${suffix}((_ptr), ___o, (_new)); \\
if (unlikely(___r != ___o)) \\
*___op = ___r; \\
likely(___r == ___o); \\
@@ -259,11 +260,11 @@ gen_try_cmpxchg_order_fallback()
fi
printf "#else\n"
- gen_try_cmpxchg_fallback "${cmpxchg}" "${order}"
+ gen_try_cmpxchg_fallback "" "${cmpxchg}" "${order}"
printf "#endif\n\n"
}
-gen_try_cmpxchg_fallbacks()
+gen_try_cmpxchg_order_fallbacks()
{
local cmpxchg="$1"; shift;
@@ -272,15 +273,17 @@ gen_try_cmpxchg_fallbacks()
done
}
-gen_cmpxchg_local_fallbacks()
+gen_def_and_try_cmpxchg_fallback()
{
+ local prefix="$1"; shift
local cmpxchg="$1"; shift
+ local suffix="$1"; shift
- printf "#define raw_${cmpxchg} arch_${cmpxchg}\n\n"
- printf "#ifdef arch_try_${cmpxchg}\n"
- printf "#define raw_try_${cmpxchg} arch_try_${cmpxchg}\n"
+ printf "#define raw_${prefix}${cmpxchg}${suffix} arch_${prefix}${cmpxchg}${suffix}\n\n"
+ printf "#ifdef arch_${prefix}try_${cmpxchg}${suffix}\n"
+ printf "#define raw_${prefix}try_${cmpxchg}${suffix} arch_${prefix}try_${cmpxchg}${suffix}\n"
printf "#else\n"
- gen_try_cmpxchg_fallback "${cmpxchg}" ""
+ gen_try_cmpxchg_fallback "${prefix}" "${cmpxchg}" "${suffix}"
printf "#endif\n\n"
}
@@ -302,15 +305,15 @@ for xchg in "xchg" "cmpxchg" "cmpxchg64" "cmpxchg128"; do
done
for cmpxchg in "cmpxchg" "cmpxchg64" "cmpxchg128"; do
- gen_try_cmpxchg_fallbacks "${cmpxchg}"
+ gen_try_cmpxchg_order_fallbacks "${cmpxchg}"
done
-for cmpxchg in "cmpxchg_local" "cmpxchg64_local" "cmpxchg128_local"; do
- gen_cmpxchg_local_fallbacks "${cmpxchg}" ""
+for cmpxchg in "cmpxchg" "cmpxchg64" "cmpxchg128"; do
+ gen_def_and_try_cmpxchg_fallback "" "${cmpxchg}" "_local"
done
-for cmpxchg in "sync_cmpxchg"; do
- printf "#define raw_${cmpxchg} arch_${cmpxchg}\n\n"
+for cmpxchg in "cmpxchg"; do
+ gen_def_and_try_cmpxchg_fallback "sync_" "${cmpxchg}" ""
done
grep '^[a-z]' "$1" | while read name meta args; do