fix(asm): close the oracle parity gaps in frame addressing and calls

2026-09-14 23:25:14 +02:00
parent 70218e84ba
commit 40476546df
18 changed files with 456 additions and 60 deletions
@@ -0,0 +1,30 @@
+// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
+// SPDX-License-Identifier: BSD-3-Clause
+
+// Stack-split guard classes, byte-parity-checked against go tool asm.
+
+#include "textflag.h"
+
+TEXT ·leafsmall(SB), $16-0
+	RET
+
+TEXT ·leafmed(SB), $256-0
+	RET
+
+TEXT ·leafbig(SB), $8192-0
+	RET
+
+TEXT ·oddframe(SB), $8-8
+	MOVD x+0(FP), R5
+	MOVD R5, ret+0(FP)
+	RET
+
+TEXT ·callsmall(SB), $16-0
+	CALL ·other(SB)
+	RET
+
+TEXT ·nosplit(SB), NOSPLIT, $16-0
+	RET
+
+TEXT ·other(SB), NOSPLIT, $0
+	RET