| 1 | /* $Id: tstHelp.h 161 2007-01-18 18:25:45Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VMM testcase - Helper stuff.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * If you received this file as part of a commercial VirtualBox
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| 18 | * distribution, then only the terms of your commercial VirtualBox
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| 19 | * license agreement apply instead of the previous paragraph.
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| 20 | */
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| 21 |
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| 22 | #ifndef __tstHelp_h__
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| 23 | #define __tstHelp_h__
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| 24 |
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| 25 | #include <VBox/cdefs.h>
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| 26 | #include <VBox/cpum.h>
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| 27 |
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| 28 | __BEGIN_DECLS
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| 29 | void tstDumpCtx(PCPUMCTX pCtx, const char *pszComment);
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| 30 | __END_DECLS
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| 31 |
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| 32 |
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| 33 | /**
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| 34 | * Checks the offset of a data member.
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| 35 | * @param type Type.
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| 36 | * @param off Correct offset.
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| 37 | * @param m Member name.
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| 38 | */
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| 39 | #define CHECK_OFF(type, off, m) \
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| 40 | do { \
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| 41 | if (off != RT_OFFSETOF(type, m)) \
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| 42 | { \
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| 43 | printf("%#010x %s Off by %d!! (off=%#x)\n", RT_OFFSETOF(type, m), #type "." #m, off - RT_OFFSETOF(type, m), off); \
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| 44 | rc++; \
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| 45 | } \
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| 46 | /*else */ \
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| 47 | /*printf("%#08x %s\n", RT_OFFSETOF(type, m), #m);*/ \
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| 48 | } while (0)
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| 49 |
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| 50 | /**
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| 51 | * Checks the size of type.
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| 52 | * @param type Type.
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| 53 | * @param size Correct size.
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| 54 | */
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| 55 | #define CHECK_SIZE(type, size) \
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| 56 | do { \
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| 57 | if (size != sizeof(type)) \
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| 58 | { \
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| 59 | printf("sizeof(%s): %#x (%d) Off by %d!!\n", #type, (int)sizeof(type), (int)sizeof(type), (int)(sizeof(type) - size)); \
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| 60 | rc++; \
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| 61 | } \
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| 62 | else \
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| 63 | printf("sizeof(%s): %#x (%d)\n", #type, (int)sizeof(type), (int)sizeof(type)); \
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| 64 | } while (0)
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| 65 |
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| 66 | /**
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| 67 | * Checks the alignment of a struct member.
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| 68 | */
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| 69 | #define CHECK_MEMBER_ALIGNMENT(strct, member, align) \
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| 70 | do \
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| 71 | { \
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| 72 | if ( RT_OFFSETOF(strct, member) & ((align) - 1) ) \
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| 73 | { \
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| 74 | printf("%s::%s offset=%d expected alignment %d, meaning %d off\n", #strct, #member, RT_OFFSETOF(strct, member), \
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| 75 | align, RT_OFFSETOF(strct, member) & (align - 1)); \
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| 76 | rc++; \
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| 77 | } \
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| 78 | } while (0)
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| 79 |
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| 80 | /**
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| 81 | * Checks that the size of a type is aligned correctly.
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| 82 | */
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| 83 | #define CHECK_SIZE_ALIGNMENT(type, align) \
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| 84 | do { \
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| 85 | if (RT_ALIGN_Z(sizeof(type), (align)) != sizeof(type)) \
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| 86 | { \
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| 87 | 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)); \
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| 88 | rc++; \
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| 89 | } \
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| 90 | } while (0)
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| 91 |
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| 92 | /**
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| 93 | * Checks that a internal struct padding is big enough.
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| 94 | */
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| 95 | #define CHECK_PADDING(strct, member) \
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| 96 | do \
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| 97 | { \
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| 98 | strct *p; \
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| 99 | if (sizeof(p->member.s) > sizeof(p->member.padding)) \
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| 100 | { \
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| 101 | printf("padding of %s::%s is too small, padding=%d struct=%d correct=%d\n", #strct, #member, \
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| 102 | (int)sizeof(p->member.padding), (int)sizeof(p->member.s), (int)RT_ALIGN_Z(sizeof(p->member.s), 32)); \
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| 103 | rc++; \
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| 104 | } \
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| 105 | } while (0)
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| 106 |
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| 107 | /**
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| 108 | * Checks that a internal struct padding is big enough.
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| 109 | */
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| 110 | #define CHECK_PADDING2(strct) \
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| 111 | do \
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| 112 | { \
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| 113 | strct *p; \
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| 114 | if (sizeof(p->s) > sizeof(p->padding)) \
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| 115 | { \
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| 116 | printf("padding of %s is too small, padding=%d struct=%d correct=%d\n", #strct, \
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| 117 | (int)sizeof(p->padding), (int)sizeof(p->s), (int)RT_ALIGN_Z(sizeof(p->s), 32)); \
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| 118 | rc++; \
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| 119 | } \
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| 120 | } while (0)
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| 121 |
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| 122 | /**
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| 123 | * Checks that a internal struct padding is big enough.
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| 124 | */
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| 125 | #define CHECK_PADDING3(strct, member, pad_member) \
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| 126 | do \
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| 127 | { \
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| 128 | strct *p; \
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| 129 | if (sizeof(p->member) > sizeof(p->pad_member)) \
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| 130 | { \
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| 131 | printf("padding of %s::%s is too small, padding=%d struct=%d\n", #strct, #member, \
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| 132 | (int)sizeof(p->pad_member), (int)sizeof(p->member)); \
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| 133 | rc++; \
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| 134 | } \
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| 135 | } while (0)
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| 136 |
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| 137 |
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| 138 | #endif
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