这个看起来有点问题

/* ~~~ C 有差异: _IOSurfaceAcceleratorParavirtProcessGuestData [_IOSurfaceAcceleratorParavirtProcessGuestData] ~~~ */

--- 27.0

+++ 27.2

@@ -1,25 +1,29 @@

 

-void _IOSurfaceAcceleratorParavirtProcessGuestData(long param_1,int *param_2)

+void _IOSurfaceAcceleratorParavirtProcessGuestData(long param_1,int *param_2,ulong param_3)

 

 {

   int iVar1;

   int iVar2;

   undefined8 uVar3;

   int *piVar4;

   undefined8 uVar5;

   long lVar6;

-  int *piVar7;

+  ulong *puVar7;

   

-  iVar2 = -0x1ffffd3e;

+  if (param_3 < 8) {

+    return;

+  }

   if (param_2 == (int *)0x0) {

     return;

   }

   iVar1 = *(int *)(param_1 + 0x24);

   if (iVar1 == 0) {

     return;

   }

   if (*param_2 == 2) {

+    iVar2 = -0x1ffffd3e;

+    if (param_3 < 0x610) goto _IOSurfaceAcceleratorParavirtProcessGuestData;

     piVar4 = param_2 + 2;

     if (*(long *)(param_2 + 4) != 0) {

       *(long *)(param_2 + 4) = 0;

       param_2[6] = 0;

@@ -40,18 +44,23 @@

     iVar1 = *(int *)(param_1 + 0x24);

     uVar3 = 1;

     uVar5 = 0x1b0;

     lVar6 = 0;

-    piVar7 = (int *)0x0;

+    puVar7 = (ulong *)0x0;

   }

   else {

-    if ((*param_2 != 1) || (lVar6 = *(long *)(param_2 + 4), lVar6 == 0)) goto _IOSurfaceAcceleratorParavirtProcessGuestData;

-    piVar7 = param_2 + 6;

+    iVar2 = -0x1ffffd3e;

+    if (((*param_2 != 1) || (param_3 < 0x20)) ||

+       (lVar6 = *(long *)(param_2 + 4), iVar2 = -0x1ffffd3e, lVar6 == 0)) goto _IOSurfaceAcceleratorParavirtProcessGuestData;

+    puVar7 = (ulong *)(param_2 + 6);

+    if (0x298 < *puVar7) {

+      *puVar7 = 0x298;

+    }

     uVar3 = 0xb;

     piVar4 = (int *)0x0;

     uVar5 = 0;

   }

-  iVar2 = raw_2880fa660(iVar1,uVar3,piVar4,uVar5,lVar6,piVar7);

+  iVar2 = raw_290103440(iVar1,uVar3,piVar4,uVar5,lVar6,puVar7);

 _IOSurfaceAcceleratorParavirtProcessGuestData:

   param_2[1] = iVar2;

   return;

 }