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
 	MOVV $SENTINEL_G, g         // sentinel in g
 	MOVV stack+8(FP), R5        // load prepared stack pointer (A1)
 	MOVV 0(R5), R1              // load leaveJITCheckedRaw into RA
-	ADDV $8, R5, R5             // advance past the return slot
-	MOVV R5, R3                 // switch to prepared stack (SP)
+	MOVV R5, R3                 // SP stays on the leave slot: the kernel
+	                            // reads its first argument at SP+8
 	JIRL R0, R4, 0              // jump to JIT function

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