tstVMStructSize.cpp revision 3b594389578be8b5fb6e9eff5108945751868cbe
/* $Id$ */
/** @file
* tstVMStructSize - testcase for check structure sizes/alignment
* and to verify that HC and GC uses the same
* representation of the structures.
*/
/*
* Copyright (C) 2006-2007 innotek 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 (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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <VBox/cfgm.h>
#include <VBox/cpum.h>
#include <VBox/mm.h>
#include <VBox/pgm.h>
#include <VBox/selm.h>
#include <VBox/trpm.h>
#include <VBox/vmm.h>
#include <VBox/stam.h>
#include "PDMInternal.h"
#include <VBox/pdm.h>
#include "CFGMInternal.h"
#include "CPUMInternal.h"
#include "MMInternal.h"
#include "PGMInternal.h"
#include "SELMInternal.h"
#include "TRPMInternal.h"
#include "TMInternal.h"
#include "IOMInternal.h"
#include "REMInternal.h"
#include "SSMInternal.h"
#include "HWACCMInternal.h"
#include "PATMInternal.h"
#include "VMMInternal.h"
#include "DBGFInternal.h"
#include "STAMInternal.h"
#include "VMInternal.h"
#include "CSAMInternal.h"
#include "EMInternal.h"
#include "REMInternal.h"
#include <VBox/vm.h>
#include <VBox/param.h>
#include <VBox/x86.h>
#include "tstHelp.h"
#include <stdio.h>
int main()
{
int rc = 0;
printf("tstVMStructSize: TESTING\n");
printf("struct VM: %d bytes\n", (int)sizeof(VM));
#define CHECK_PADDING_VM(member) \
do \
{ \
CHECK_PADDING(VM, member); \
CHECK_MEMBER_ALIGNMENT(VM, member, 32); \
} while (0)
#define CHECK_CPUMCTXCORE(member) \
do { \
if (RT_OFFSETOF(CPUMCTX, member) - RT_OFFSETOF(CPUMCTX, edi) != RT_OFFSETOF(CPUMCTXCORE, member)) \
{ \
printf("CPUMCTX/CORE:: %s!\n", #member); \
rc++; \
} \
} while (0)
#define PRINT_OFFSET(strct, member) \
do \
{ \
printf("%s::%s offset %#x (%d) sizeof %d\n", #strct, #member, (int)RT_OFFSETOF(strct, member), (int)RT_OFFSETOF(strct, member), (int)RT_SIZEOFMEMB(strct, member)); \
} while (0)
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);
CHECK_SIZE(VBOXDESC, 8);
CHECK_SIZE(VBOXIDTE, 8);
CHECK_SIZE(VBOXIDTR, 6);
CHECK_SIZE(VBOXGDTR, 6);
CHECK_SIZE(VBOXPTE, 4);
CHECK_SIZE(VBOXPDE, 4);
CHECK_SIZE(VBOXTSS, 136);
CHECK_SIZE(X86FXSTATE, 512);
CHECK_SIZE(RTUUID, 16);
CHECK_SIZE(X86PTE, 4);
CHECK_SIZE(X86PD, PAGE_SIZE);
CHECK_SIZE(X86PDE, 4);
CHECK_SIZE(X86PT, PAGE_SIZE);
CHECK_SIZE(X86PTEPAE, 8);
CHECK_SIZE(X86PTPAE, PAGE_SIZE);
CHECK_SIZE(X86PDEPAE, 8);
CHECK_SIZE(X86PDPAE, PAGE_SIZE);
CHECK_SIZE(X86PDPE, 8);
CHECK_SIZE(X86PDPTR, PAGE_SIZE);
CHECK_SIZE(X86PML4E, 8);
CHECK_SIZE(X86PML4, PAGE_SIZE);
CHECK_PADDING_VM(cfgm);
CHECK_PADDING_VM(cpum);
CHECK_PADDING_VM(dbgf);
CHECK_PADDING_VM(em);
CHECK_PADDING_VM(iom);
CHECK_PADDING_VM(mm);
CHECK_PADDING_VM(pdm);
CHECK_PADDING_VM(pgm);
CHECK_PADDING_VM(selm);
CHECK_PADDING_VM(tm);
CHECK_PADDING_VM(trpm);
CHECK_PADDING_VM(vm);
CHECK_PADDING_VM(vmm);
CHECK_PADDING_VM(ssm);
CHECK_PADDING_VM(rem);
CHECK_PADDING_VM(hwaccm);
CHECK_PADDING_VM(patm);
CHECK_PADDING_VM(csam);
CHECK_MEMBER_ALIGNMENT(VM, selm.s.Tss, 16);
PRINT_OFFSET(VM, selm.s.Tss);
PVM pVM;
if ((RT_OFFSETOF(VM, selm.s.Tss) & PAGE_OFFSET_MASK) > PAGE_SIZE - sizeof(pVM->selm.s.Tss))
{
printf("SELM:Tss is crossing a page!\n");
rc++;
}
PRINT_OFFSET(VM, selm.s.TssTrap08);
if ((RT_OFFSETOF(VM, selm.s.TssTrap08) & PAGE_OFFSET_MASK) > PAGE_SIZE - sizeof(pVM->selm.s.TssTrap08))
{
printf("SELM:TssTrap08 is crossing a page!\n");
rc++;
}
CHECK_MEMBER_ALIGNMENT(VM, trpm.s.aIdt, 16);
CHECK_MEMBER_ALIGNMENT(VM, cpum.s.Host, 32);
CHECK_MEMBER_ALIGNMENT(VM, cpum.s.Guest, 32);
CHECK_MEMBER_ALIGNMENT(VM, cpum.s.Hyper, 32);
CHECK_MEMBER_ALIGNMENT(VM, vmm.s.CritSectVMLock, 8);
CHECK_MEMBER_ALIGNMENT(VM, vmm.s.CallHostR0JmpBuf, 8);
CHECK_MEMBER_ALIGNMENT(VM, vmm.s.StatRunGC, 8);
CHECK_MEMBER_ALIGNMENT(VM, StatTotalQemuToGC, 8);
CHECK_MEMBER_ALIGNMENT(VM, rem.s.StatsInQEMU, 8);
CHECK_MEMBER_ALIGNMENT(VM, rem.s.Env, 32);
/* cpumctx */
CHECK_MEMBER_ALIGNMENT(CPUMCTX, fpu, 32);
CHECK_MEMBER_ALIGNMENT(CPUMCTX, edi, 32);
CHECK_MEMBER_ALIGNMENT(CPUMCTX, idtr, 4);
CHECK_MEMBER_ALIGNMENT(CPUMCTX, SysEnter, 8);
CHECK_SIZE_ALIGNMENT(CPUMCTX, 32);
CHECK_CPUMCTXCORE(eax);
CHECK_CPUMCTXCORE(ebx);
CHECK_CPUMCTXCORE(ecx);
CHECK_CPUMCTXCORE(edx);
CHECK_CPUMCTXCORE(ebp);
CHECK_CPUMCTXCORE(esp);
CHECK_CPUMCTXCORE(edi);
CHECK_CPUMCTXCORE(esi);
CHECK_CPUMCTXCORE(eip);
CHECK_CPUMCTXCORE(eflags);
CHECK_CPUMCTXCORE(cs);
CHECK_CPUMCTXCORE(ds);
CHECK_CPUMCTXCORE(es);
CHECK_CPUMCTXCORE(fs);
CHECK_CPUMCTXCORE(gs);
CHECK_CPUMCTXCORE(ss);
#if HC_ARCH_BITS == 32
/* CPUMHOSTCTX - lss pair */
if (RT_OFFSETOF(CPUMHOSTCTX, esp) + 4 != RT_OFFSETOF(CPUMHOSTCTX, ss))
{
printf("error: CPUMHOSTCTX lss has been split up!\n");
rc++;
}
#endif
/* pdm */
CHECK_MEMBER_ALIGNMENT(PDMDEVINS, achInstanceData, 16);
CHECK_PADDING(PDMDEVINS, Internal);
CHECK_MEMBER_ALIGNMENT(PDMUSBINS, achInstanceData, 16);
CHECK_PADDING(PDMUSBINS, Internal);
CHECK_MEMBER_ALIGNMENT(PDMDRVINS, achInstanceData, 16);
CHECK_PADDING(PDMDRVINS, Internal);
CHECK_PADDING2(PDMCRITSECT);
CHECK_MEMBER_ALIGNMENT(PGMPOOLPAGE, idx, sizeof(uint16_t));
CHECK_MEMBER_ALIGNMENT(PGMPOOLPAGE, pvPageHC, sizeof(RTHCPTR));
CHECK_MEMBER_ALIGNMENT(PGMPOOLPAGE, GCPhys, sizeof(RTGCPHYS));
CHECK_SIZE(PGMPAGE, 16);
CHECK_MEMBER_ALIGNMENT(PGMRAMRANGE, aPages, 16);
/* misc */
CHECK_MEMBER_ALIGNMENT(REM, aGCPtrInvalidatedPages, 8);
CHECK_PADDING3(EM, u.FatalLongJump, u.achPaddingFatalLongJump);
CHECK_PADDING3(REMHANDLERNOTIFICATION, u.PhysicalRegister, u.padding);
CHECK_PADDING3(REMHANDLERNOTIFICATION, u.PhysicalDeregister, u.padding);
CHECK_PADDING3(REMHANDLERNOTIFICATION, u.PhysicalModify, u.padding);
CHECK_SIZE_ALIGNMENT(VMMR0JMPBUF, 8);
CHECK_SIZE_ALIGNMENT(PATCHINFO, 8);
#if 0
PRINT_OFFSET(VM, fForcedActions);
PRINT_OFFSET(VM, StatQemuToGC);
PRINT_OFFSET(VM, StatGCToQemu);
#endif
/*
* Compare HC and GC.
*/
printf("tstVMStructSize: Comparing HC and GC...\n");
#include "tstVMStructGC.h"
/*
* Report result.
*/
if (rc)
printf("tstVMStructSize: FAILURE - %d errors\n", rc);
else
printf("tstVMStructSize: SUCCESS\n");
return rc;
}