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
@@ -37,8 +37,8 @@ TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
 	MOV  $SENTINEL_G, g        // sentinel in g
 	MOV  stack+8(FP), X6       // load prepared stack pointer (T1)
 	LD   0(X6), X1             // load leaveJITCheckedRaw into RA
-	ADD  $8, X6, X6            // advance past the return slot
-	MOV  X6, X2                // switch to prepared stack (SP)
+	MOV  X6, X2                // SP stays on the leave slot: the kernel
+	                           // reads its first argument at SP+8
 	JALR X0, 0(X5)             // jump to JIT function

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