JIT: Align JIT stubs

Fixed GH-11120

Signed-off-by: PeterYang12 <[email protected]>

Author: PeterYang12

ext/opcache/jit/zend_jit.c

@@ -4696,6 +4696,7 @@ static int zend_jit_make_stubs(void)
 
 	for (i = 0; i < sizeof(zend_jit_stubs)/sizeof(zend_jit_stubs[0]); i++) {
 		dasm_setup(&dasm_state, dasm_actions);
+		zend_jit_align_stub(&dasm_state);
 		if (!zend_jit_stubs[i].stub(&dasm_state)) {
 			return 0;
 		}

ext/opcache/jit/zend_jit_trace.c

@@ -94,6 +94,7 @@ static const void *zend_jit_trace_allocate_exit_group(uint32_t n)
 	dasm_init(&dasm_state, DASM_MAXSECTION);
 	dasm_setupglobal(&dasm_state, dasm_labels, zend_lb_MAX);
 	dasm_setup(&dasm_state, dasm_actions);
+	zend_jit_align_stub(&dasm_state);
 	zend_jit_trace_exit_group_stub(&dasm_state, n);
 
 	sprintf(name, "jit$$trace_exit_%d", n);

ext/opcache/jit/zend_jit_x86.dasc

@@ -3070,6 +3070,12 @@ static int zend_jit_align_func(dasm_State **Dst)
 	return 1;
 }
 
+static int zend_jit_align_stub(dasm_State **Dst)
+{
+	|.align 16
+	return 1;
+}
+
 static int zend_jit_prologue(dasm_State **Dst)
 {
 	|	ENDBR