/* $Id: tstDeviceStructSize.cpp 16170 2009-01-22 14:40:08Z vboxsync $ */ /** @file * tstDeviceStructSize - testcase for check structure sizes/alignment * and to verify that HC and GC uses the same * representation of the structures. */ /* * Copyright (C) 2006-2007 Sun Microsystems, Inc. * * 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 (GPL) 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. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 USA or visit http://www.sun.com if you need * additional information or have any questions. */ /******************************************************************************* * Header Files * *******************************************************************************/ #include #include #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 "../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" # include "../USB/DevEHCI.cpp" #endif #undef LOG_GROUP #include "../VMMDev/VBoxDev.cpp" #undef LOG_GROUP #include "../Parallel/DevParallel.cpp" #undef LOG_GROUP #include "../Serial/DevSerial.cpp" #ifdef VBOX_WITH_AHCI # undef LOG_GROUP # include "../Storage/DevAHCI.cpp" #endif #ifdef VBOX_WITH_E1000 # undef LOG_GROUP # include "../Network/DevE1000.cpp" #endif #ifdef VBOX_WITH_BUSLOGIC # undef LOG_GROUP # include "../Storage/DevBusLogic.cpp" #endif #ifdef VBOX_WITH_LSILOGIC # undef LOG_GROUP # include "../Storage/DevLsiLogicSCSI.cpp" #endif #ifdef VBOX_WITH_HPET # undef LOG_GROUP # include "../PC/DevHPET.cpp" #endif #ifdef VBOX_WITH_LPC # undef LOG_GROUP # include "../PC/DevLPC.cpp" #endif #ifdef VBOX_WITH_SMC # undef LOG_GROUP # include "../PC/DevSMC.cpp" #endif #include /******************************************************************************* * 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, 64); 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, StatRZMemoryRead, 8); #ifdef VBOX_WITH_STATISTICS // CHECK_MEMBER_ALIGNMENT(PCNetState, StatMMIOReadGC, 8); CHECK_MEMBER_ALIGNMENT(DEVPIC, StatSetIrqGC, 8); CHECK_MEMBER_ALIGNMENT(APICDeviceInfo, 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, StatATADMA, 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 CHECK_MEMBER_ALIGNMENT(EHCI, RootHub, 8); # ifdef VBOX_WITH_STATISTICS CHECK_MEMBER_ALIGNMENT(EHCI, 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; }