tstDeviceStructSize.cpp revision bfc5c8f12bdd543c10d116d87f7c631d96affd33
/* $Id$ */
/** @file
* tstDeviceStructSize - testcase for check structure sizes/alignment
* and to verify that HC and GC uses the same
* representation of the structures.
*/
/*
* Copyright (C) 2006 InnoTek Systemberatung GmbH
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation,
* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
* distribution. VirtualBox OSE is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY of any kind.
*
* If you received this file as part of a commercial VirtualBox
* distribution, then only the terms of your commercial VirtualBox
* license agreement apply instead of the previous paragraph.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <VBox/types.h>
#include <VBox/x86.h>
#define VBOX_DEVICE_STRUCT_TESTCASE
#undef LOG_GROUP
#include "Bus/DevPCI.cpp"
#undef LOG_GROUP
#include "Graphics/DevVGA.cpp"
#undef LOG_GROUP
#include "Input/DevPS2.cpp"
#undef LOG_GROUP
#include "Network/DevPCNet.cpp"
//#undef LOG_GROUP
//#include "Network/ne2000.c"
#undef LOG_GROUP
#include "PC/DevACPI.cpp"
#undef LOG_GROUP
#include "PC/DevPIC.cpp"
#undef LOG_GROUP
#include "PC/DevPit-i8254.cpp"
#undef LOG_GROUP
#include "PC/DevRTC.cpp"
#undef LOG_GROUP
#include "PC/DevAPIC.cpp"
#undef LOG_GROUP
#include "Storage/DevATA.cpp"
#ifdef VBOX_WITH_USB
# undef LOG_GROUP
# include "USB/DevOHCI.cpp"
#endif
#undef LOG_GROUP
#include "VMMDev/VBoxDev.cpp"
#undef LOG_GROUP
#include "Serial/DevSerial.cpp"
#include <stdio.h>
/*******************************************************************************
* Defined Constants And Macros *
*******************************************************************************/
/**
* Checks the offset of a data member.
* @param type Type.
* @param off Correct offset.
* @param m Member name.
*/
#define CHECK_OFF(type, off, m) \
do { \
if (off != RT_OFFSETOF(type, m)) \
{ \
printf("%#010x %s Off by %d!! (off=%#x)\n", RT_OFFSETOF(type, m), #type "." #m, off - RT_OFFSETOF(type, m), off); \
rc++; \
} \
/*else */ \
/*printf("%#08x %s\n", RT_OFFSETOF(type, m), #m);*/ \
} while (0)
/**
* Checks the size of type.
* @param type Type.
* @param size Correct size.
*/
#define CHECK_SIZE(type, size) \
do { \
if (size != sizeof(type)) \
{ \
printf("sizeof(%s): %#x (%d) Off by %d!!\n", #type, (int)sizeof(type), (int)sizeof(type), (int)(sizeof(type) - size)); \
rc++; \
} \
else \
printf("sizeof(%s): %#x (%d)\n", #type, (int)sizeof(type), (int)sizeof(type)); \
} while (0)
/**
* Checks the alignment of a struct member.
*/
#define CHECK_MEMBER_ALIGNMENT(strct, member, align) \
do \
{ \
if ( RT_OFFSETOF(strct, member) & ((align) - 1) ) \
{ \
printf("%s::%s offset=%d expected alignment %d, meaning %d off\n", #strct, #member, RT_OFFSETOF(strct, member), \
align, RT_OFFSETOF(strct, member) & (align - 1)); \
rc++; \
} \
} while (0)
/**
* Checks that the size of a type is aligned correctly.
*/
#define CHECK_SIZE_ALIGNMENT(type, align) \
do { \
if (RT_ALIGN_Z(sizeof(type), (align)) != sizeof(type)) \
{ \
printf("%s size=%#x, align=%#x %#x bytes off\n", #type, (int)sizeof(type), (align), (int)RT_ALIGN_Z(sizeof(type), align) - (int)sizeof(type)); \
rc++; \
} \
} while (0)
/**
* Checks that a internal struct padding is big enough.
*/
#define CHECK_PADDING(strct, member) \
do \
{ \
strct *p; \
if (sizeof(p->member.s) > sizeof(p->member.padding)) \
{ \
printf("padding of %s::%s is too small, padding=%d struct=%d correct=%d\n", #strct, #member, \
(int)sizeof(p->member.padding), (int)sizeof(p->member.s), (int)RT_ALIGN_Z(sizeof(p->member.s), 32)); \
rc++; \
} \
} while (0)
/**
* Checks that a internal struct padding is big enough.
*/
#define CHECK_PADDING2(strct) \
do \
{ \
strct *p; \
if (sizeof(p->s) > sizeof(p->padding)) \
{ \
printf("padding of %s is too small, padding=%d struct=%d correct=%d\n", #strct, \
(int)sizeof(p->padding), (int)sizeof(p->s), (int)RT_ALIGN_Z(sizeof(p->s), 32)); \
rc++; \
} \
} while (0)
/**
* Checks that a internal struct padding is big enough.
*/
#define CHECK_PADDING3(strct, member, pad_member) \
do \
{ \
strct *p; \
if (sizeof(p->member) > sizeof(p->pad_member)) \
{ \
printf("padding of %s::%s is too small, padding=%d struct=%d\n", #strct, #member, \
(int)sizeof(p->pad_member), (int)sizeof(p->member)); \
rc++; \
} \
} while (0)
/**
* Prints the offset of a struct member.
*/
#define PRINT_OFFSET(strct, member) \
do \
{ \
printf("%s::%s offset %d sizeof %d\n", #strct, #member, (int)RT_OFFSETOF(strct, member), (int)RT_SIZEOFMEMB(strct, member)); \
} while (0)
int main()
{
int rc = 0;
printf("tstDeviceStructSize: TESTING\n");
/* Assert sanity */
CHECK_SIZE(uint128_t, 128/8);
CHECK_SIZE(int128_t, 128/8);
CHECK_SIZE(uint64_t, 64/8);
CHECK_SIZE(int64_t, 64/8);
CHECK_SIZE(uint32_t, 32/8);
CHECK_SIZE(int32_t, 32/8);
CHECK_SIZE(uint16_t, 16/8);
CHECK_SIZE(int16_t, 16/8);
CHECK_SIZE(uint8_t, 8/8);
CHECK_SIZE(int8_t, 8/8);
/*
* Misc alignment checks.
*/
CHECK_MEMBER_ALIGNMENT(PDMDEVINS, achInstanceData, 32);
CHECK_MEMBER_ALIGNMENT(PCIDEVICE, Int.s, 16);
CHECK_MEMBER_ALIGNMENT(PCIDEVICE, Int.s.aIORegions, 16);
CHECK_MEMBER_ALIGNMENT(PCIBUS, devices, 16);
CHECK_MEMBER_ALIGNMENT(PCIGLOBALS, pci_irq_levels, 16);
CHECK_MEMBER_ALIGNMENT(PCNetState, u64LastPoll, 8);
CHECK_MEMBER_ALIGNMENT(VGASTATE, Dev, 8);
CHECK_MEMBER_ALIGNMENT(VGASTATE, StatGCMemoryRead, 8);
#ifdef VBOX_WITH_STATISTICS
// CHECK_MEMBER_ALIGNMENT(PCNetState, StatMMIOReadGC, 8);
CHECK_MEMBER_ALIGNMENT(DEVPIC, StatSetIrqGC, 8);
CHECK_MEMBER_ALIGNMENT(APICState, StatMMIOReadGC, 8);
CHECK_MEMBER_ALIGNMENT(IOAPICState, StatMMIOReadGC, 8);
CHECK_MEMBER_ALIGNMENT(IOAPICState, StatMMIOReadGC, 8);
#endif
CHECK_MEMBER_ALIGNMENT(PITState, StatPITIrq, 8);
CHECK_MEMBER_ALIGNMENT(ATADevState, cTotalSectors, 8);
CHECK_MEMBER_ALIGNMENT(ATADevState, StatReads, 8);
CHECK_MEMBER_ALIGNMENT(ATACONTROLLER, StatAsyncOps, 8);
#ifdef VBOX_WITH_USB
CHECK_MEMBER_ALIGNMENT(OHCI, RootHub, 8);
# ifdef VBOX_WITH_STATISTICS
CHECK_MEMBER_ALIGNMENT(OHCI, StatCanceledIsocUrbs, 8);
# endif
#endif
/*
* Compare HC and GC.
*/
printf("tstDeviceStructSize: Comparing HC and GC...\n");
#include "tstDeviceStructSizeGC.h"
/*
* Report result.
*/
if (rc)
printf("tstDeviceStructSize: FAILURE - %d errors\n", rc);
else
printf("tstDeviceStructSize: SUCCESS\n");
return rc;
}