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
@@ -16,8 +16,9 @@ TEXT ·enterJIT(SB), NOSPLIT, $0-16
 	MOV  X2, savedSP(SB)       // save Go stack pointer
 	MOV  stack+8(FP), X6       // load prepared stack pointer (T1)
 	LD   0(X6), X1             // load leaveJIT address into RA
-	ADD  $8, X6, X6            // advance past return address
-	MOV  X6, X2                // switch to prepared stack (SP)
+	MOV  X6, X2                // switch to the prepared stack: SP stays on
+	                           // the leave slot, so the kernel reads its
+	                           // first argument at SP+8
 	JALR X0, 0(X5)             // jump to JIT function

 // func leaveJIT()