fix(verify): fix non-amd64 JIT trampolines and validate under qemu

2026-08-31 12:34:50 +02:00
parent a5a59d6503
commit 94c4756d47
10 changed files with 77 additions and 43 deletions
@@ -43,8 +43,8 @@ TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
 	MOVD $SENTINEL_G, g        // sentinel in g
 	MOVD stack+8(FP), R3       // load prepared stack pointer
 	MOVD 0(R3), R30            // load leaveJITCheckedRaw into LR
-	ADD  $8, R3, R3            // advance past the return slot
-	MOVD R3, RSP               // switch to prepared stack
+	MOVD R3, RSP               // SP stays on the leave slot: the kernel
+	                           // reads its first argument at SP+8
 	JMP  (R0)                  // branch to JIT function

 // leaveJITCheckedRaw is the raw return trampoline.  It has NO Go function