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source: trunk/HeuristicLab.ExtLibs/HeuristicLab.Cecil/0.9.5/Mono.Cecil-0.9.5/Symbols/Mono.Cecil.Pdb/Microsoft.Cci.Pdb/CvInfo.cs

Last change on this file was 11700, checked in by jkarder, 10 years ago

#2077: created branch and added first version

File size: 85.0 KB
Line 
1//-----------------------------------------------------------------------------
2//
3// Copyright (C) Microsoft Corporation.  All Rights Reserved.
4//
5//-----------------------------------------------------------------------------
6//
7//  File:   CvInfo.cs
8//
9//  Generic CodeView information definitions
10//
11//  Structures, constants, etc. for accessing and interpreting
12//  CodeView information.
13//
14//  The master copy of this file resides in the langapi project (in C++).
15//  All Microsoft projects are required to use the master copy without
16//  modification.  Modification of the master version or a copy
17//  without consultation with all parties concerned is extremely
18//  risky.
19//
20//  When this file is modified, the corresponding documentation file
21//  omfdeb.doc in the langapi project must be updated.
22//
23//  This is a read-only copy of the C++ file converted to C#.
24//
25using System;
26
27namespace Microsoft.Cci.Pdb {
28  internal struct FLOAT10 {
29    internal byte Data_0;
30    internal byte Data_1;
31    internal byte Data_2;
32    internal byte Data_3;
33    internal byte Data_4;
34    internal byte Data_5;
35    internal byte Data_6;
36    internal byte Data_7;
37    internal byte Data_8;
38    internal byte Data_9;
39  };
40
41  internal enum CV_SIGNATURE {
42    C6=0,    // Actual signature is >64K
43    C7=1,    // First explicit signature
44    C11=2,    // C11 (vc5.x) 32-bit types
45    C13=4,    // C13 (vc7.x) zero terminated names
46    RESERVERD=5,    // All signatures from 5 to 64K are reserved
47  };
48
49  //  CodeView Symbol and Type OMF type information is broken up into two
50  //  ranges.  Type indices less than 0x1000 describe type information
51  //  that is frequently used.  Type indices above 0x1000 are used to
52  //  describe more complex features such as functions, arrays and
53  //  structures.
54  //
55
56  //  Primitive types have predefined meaning that is encoded in the
57  //  values of the various bit fields in the value.
58  //
59  //  A CodeView primitive type is defined as:
60  //
61  //  1 1
62  //  1 089  7654  3  210
63  //  r mode type  r  sub
64  //
65  //  Where
66  //      mode is the pointer mode
67  //      type is a type indicator
68  //      sub  is a subtype enumeration
69  //      r    is a reserved field
70  //
71  //  See Microsoft Symbol and Type OMF (Version 4.0) for more
72  //  information.
73  //
74
75  //  pointer mode enumeration values
76
77  internal enum CV_prmode {
78    CV_TM_DIRECT=0,        // mode is not a pointer
79    CV_TM_NPTR32=4,        // mode is a 32 bit near pointer
80    CV_TM_NPTR64=6,        // mode is a 64 bit near pointer
81    CV_TM_NPTR128=7,        // mode is a 128 bit near pointer
82  };
83
84  //  type enumeration values
85
86  internal enum CV_type {
87    CV_SPECIAL=0x00,     // special type size values
88    CV_SIGNED=0x01,     // signed integral size values
89    CV_UNSIGNED=0x02,     // unsigned integral size values
90    CV_BOOLEAN=0x03,     // Boolean size values
91    CV_REAL=0x04,     // real number size values
92    CV_COMPLEX=0x05,     // complex number size values
93    CV_SPECIAL2=0x06,     // second set of special types
94    CV_INT=0x07,     // integral (int) values
95    CV_CVRESERVED=0x0f,
96  };
97
98  //  subtype enumeration values for CV_SPECIAL
99
100  internal enum CV_special {
101    CV_SP_NOTYPE=0x00,
102    CV_SP_ABS=0x01,
103    CV_SP_SEGMENT=0x02,
104    CV_SP_VOID=0x03,
105    CV_SP_CURRENCY=0x04,
106    CV_SP_NBASICSTR=0x05,
107    CV_SP_FBASICSTR=0x06,
108    CV_SP_NOTTRANS=0x07,
109    CV_SP_HRESULT=0x08,
110  };
111
112  //  subtype enumeration values for CV_SPECIAL2
113
114  internal enum CV_special2 {
115    CV_S2_BIT=0x00,
116    CV_S2_PASCHAR=0x01,     // Pascal CHAR
117  };
118
119  //  subtype enumeration values for CV_SIGNED, CV_UNSIGNED and CV_BOOLEAN
120
121  internal enum CV_integral {
122    CV_IN_1BYTE=0x00,
123    CV_IN_2BYTE=0x01,
124    CV_IN_4BYTE=0x02,
125    CV_IN_8BYTE=0x03,
126    CV_IN_16BYTE=0x04,
127  };
128
129  //  subtype enumeration values for CV_REAL and CV_COMPLEX
130
131  internal enum CV_real {
132    CV_RC_REAL32=0x00,
133    CV_RC_REAL64=0x01,
134    CV_RC_REAL80=0x02,
135    CV_RC_REAL128=0x03,
136  };
137
138  //  subtype enumeration values for CV_INT (really int)
139
140  internal enum CV_int {
141    CV_RI_CHAR=0x00,
142    CV_RI_INT1=0x00,
143    CV_RI_WCHAR=0x01,
144    CV_RI_UINT1=0x01,
145    CV_RI_INT2=0x02,
146    CV_RI_UINT2=0x03,
147    CV_RI_INT4=0x04,
148    CV_RI_UINT4=0x05,
149    CV_RI_INT8=0x06,
150    CV_RI_UINT8=0x07,
151    CV_RI_INT16=0x08,
152    CV_RI_UINT16=0x09,
153  };
154
155  internal struct CV_PRIMITIVE_TYPE {
156    const uint CV_MMASK     = 0x700;       // mode mask
157    const uint CV_TMASK     = 0x0f0;       // type mask
158    const uint CV_SMASK     = 0x00f;       // subtype mask
159
160    const int CV_MSHIFT     = 8;           // primitive mode right shift count
161    const int CV_TSHIFT     = 4;           // primitive type right shift count
162    const int CV_SSHIFT     = 0;           // primitive subtype right shift count
163
164    // function to extract primitive mode, type and size
165
166    internal static CV_prmode CV_MODE(TYPE_ENUM typ) {
167      return (CV_prmode)((((uint)typ) & CV_MMASK) >> CV_MSHIFT);
168    }
169
170    internal static CV_type CV_TYPE(TYPE_ENUM typ) {
171      return (CV_type)((((uint)typ) & CV_TMASK) >> CV_TSHIFT);
172    }
173
174    internal static uint CV_SUBT(TYPE_ENUM typ) {
175      return ((((uint)typ) & CV_SMASK) >> CV_SSHIFT);
176    }
177
178    // functions to check the type of a primitive
179
180    internal static bool CV_TYP_IS_DIRECT(TYPE_ENUM typ) {
181      return (CV_MODE(typ) == CV_prmode.CV_TM_DIRECT);
182    }
183
184    internal static bool CV_TYP_IS_PTR(TYPE_ENUM typ) {
185      return (CV_MODE(typ) != CV_prmode.CV_TM_DIRECT);
186    }
187
188    internal static bool CV_TYP_IS_SIGNED(TYPE_ENUM typ) {
189      return
190          (((CV_TYPE(typ) == CV_type.CV_SIGNED) && CV_TYP_IS_DIRECT(typ)) ||
191                 (typ == TYPE_ENUM.T_INT1)  ||
192                 (typ == TYPE_ENUM.T_INT2)  ||
193                 (typ == TYPE_ENUM.T_INT4)  ||
194                 (typ == TYPE_ENUM.T_INT8)  ||
195                 (typ == TYPE_ENUM.T_INT16) ||
196                 (typ == TYPE_ENUM.T_RCHAR));
197    }
198
199    internal static bool CV_TYP_IS_UNSIGNED(TYPE_ENUM typ) {
200      return (((CV_TYPE(typ) == CV_type.CV_UNSIGNED) && CV_TYP_IS_DIRECT(typ)) ||
201                    (typ == TYPE_ENUM.T_UINT1) ||
202                    (typ == TYPE_ENUM.T_UINT2) ||
203                    (typ == TYPE_ENUM.T_UINT4) ||
204                    (typ == TYPE_ENUM.T_UINT8) ||
205                    (typ == TYPE_ENUM.T_UINT16));
206    }
207
208    internal static bool CV_TYP_IS_REAL(TYPE_ENUM typ) {
209      return ((CV_TYPE(typ) == CV_type.CV_REAL)  && CV_TYP_IS_DIRECT(typ));
210    }
211
212    const uint CV_FIRST_NONPRIM = 0x1000;
213
214    internal static bool CV_IS_PRIMITIVE(TYPE_ENUM typ) {
215      return ((uint)(typ) < CV_FIRST_NONPRIM);
216    }
217
218    internal static bool CV_TYP_IS_COMPLEX(TYPE_ENUM typ) {
219      return ((CV_TYPE(typ) == CV_type.CV_COMPLEX) && CV_TYP_IS_DIRECT(typ));
220    }
221
222    internal static bool CV_IS_INTERNAL_PTR(TYPE_ENUM typ) {
223      return (CV_IS_PRIMITIVE(typ) &&
224                    CV_TYPE(typ) == CV_type.CV_CVRESERVED &&
225                    CV_TYP_IS_PTR(typ));
226    }
227  }
228
229  // selected values for type_index - for a more complete definition, see
230  // Microsoft Symbol and Type OMF document
231
232  //  Special Types
233
234  internal enum TYPE_ENUM {
235    //  Special Types
236
237    T_NOTYPE=0x0000,   // uncharacterized type (no type)
238    T_ABS=0x0001,   // absolute symbol
239    T_SEGMENT=0x0002,   // segment type
240    T_VOID=0x0003,   // void
241    T_HRESULT=0x0008,   // OLE/COM HRESULT
242    T_32PHRESULT=0x0408,   // OLE/COM HRESULT __ptr32//
243    T_64PHRESULT=0x0608,   // OLE/COM HRESULT __ptr64//
244    T_PVOID=0x0103,   // near pointer to void
245    T_PFVOID=0x0203,   // far pointer to void
246    T_PHVOID=0x0303,   // huge pointer to void
247    T_32PVOID=0x0403,   // 32 bit pointer to void
248    T_64PVOID=0x0603,   // 64 bit pointer to void
249    T_CURRENCY=0x0004,   // BASIC 8 byte currency value
250    T_NOTTRANS=0x0007,   // type not translated by cvpack
251    T_BIT=0x0060,   // bit
252    T_PASCHAR=0x0061,   // Pascal CHAR
253
254    //  Character types
255
256    T_CHAR=0x0010,   // 8 bit signed
257    T_32PCHAR=0x0410,   // 32 bit pointer to 8 bit signed
258    T_64PCHAR=0x0610,   // 64 bit pointer to 8 bit signed
259
260    T_UCHAR=0x0020,   // 8 bit unsigned
261    T_32PUCHAR=0x0420,   // 32 bit pointer to 8 bit unsigned
262    T_64PUCHAR=0x0620,   // 64 bit pointer to 8 bit unsigned
263
264    //  really a character types
265
266    T_RCHAR=0x0070,   // really a char
267    T_32PRCHAR=0x0470,   // 32 bit pointer to a real char
268    T_64PRCHAR=0x0670,   // 64 bit pointer to a real char
269
270    //  really a wide character types
271
272    T_WCHAR=0x0071,   // wide char
273    T_32PWCHAR=0x0471,   // 32 bit pointer to a wide char
274    T_64PWCHAR=0x0671,   // 64 bit pointer to a wide char
275
276    //  8 bit int types
277
278    T_INT1=0x0068,   // 8 bit signed int
279    T_32PINT1=0x0468,   // 32 bit pointer to 8 bit signed int
280    T_64PINT1=0x0668,   // 64 bit pointer to 8 bit signed int
281
282    T_UINT1=0x0069,   // 8 bit unsigned int
283    T_32PUINT1=0x0469,   // 32 bit pointer to 8 bit unsigned int
284    T_64PUINT1=0x0669,   // 64 bit pointer to 8 bit unsigned int
285
286    //  16 bit short types
287
288    T_SHORT=0x0011,   // 16 bit signed
289    T_32PSHORT=0x0411,   // 32 bit pointer to 16 bit signed
290    T_64PSHORT=0x0611,   // 64 bit pointer to 16 bit signed
291
292    T_USHORT=0x0021,   // 16 bit unsigned
293    T_32PUSHORT=0x0421,   // 32 bit pointer to 16 bit unsigned
294    T_64PUSHORT=0x0621,   // 64 bit pointer to 16 bit unsigned
295
296    //  16 bit int types
297
298    T_INT2=0x0072,   // 16 bit signed int
299    T_32PINT2=0x0472,   // 32 bit pointer to 16 bit signed int
300    T_64PINT2=0x0672,   // 64 bit pointer to 16 bit signed int
301
302    T_UINT2=0x0073,   // 16 bit unsigned int
303    T_32PUINT2=0x0473,   // 32 bit pointer to 16 bit unsigned int
304    T_64PUINT2=0x0673,   // 64 bit pointer to 16 bit unsigned int
305
306    //  32 bit long types
307
308    T_LONG=0x0012,   // 32 bit signed
309    T_ULONG=0x0022,   // 32 bit unsigned
310    T_32PLONG=0x0412,   // 32 bit pointer to 32 bit signed
311    T_32PULONG=0x0422,   // 32 bit pointer to 32 bit unsigned
312    T_64PLONG=0x0612,   // 64 bit pointer to 32 bit signed
313    T_64PULONG=0x0622,   // 64 bit pointer to 32 bit unsigned
314
315    //  32 bit int types
316
317    T_INT4=0x0074,   // 32 bit signed int
318    T_32PINT4=0x0474,   // 32 bit pointer to 32 bit signed int
319    T_64PINT4=0x0674,   // 64 bit pointer to 32 bit signed int
320
321    T_UINT4=0x0075,   // 32 bit unsigned int
322    T_32PUINT4=0x0475,   // 32 bit pointer to 32 bit unsigned int
323    T_64PUINT4=0x0675,   // 64 bit pointer to 32 bit unsigned int
324
325    //  64 bit quad types
326
327    T_QUAD=0x0013,   // 64 bit signed
328    T_32PQUAD=0x0413,   // 32 bit pointer to 64 bit signed
329    T_64PQUAD=0x0613,   // 64 bit pointer to 64 bit signed
330
331    T_UQUAD=0x0023,   // 64 bit unsigned
332    T_32PUQUAD=0x0423,   // 32 bit pointer to 64 bit unsigned
333    T_64PUQUAD=0x0623,   // 64 bit pointer to 64 bit unsigned
334
335    //  64 bit int types
336
337    T_INT8=0x0076,   // 64 bit signed int
338    T_32PINT8=0x0476,   // 32 bit pointer to 64 bit signed int
339    T_64PINT8=0x0676,   // 64 bit pointer to 64 bit signed int
340
341    T_UINT8=0x0077,   // 64 bit unsigned int
342    T_32PUINT8=0x0477,   // 32 bit pointer to 64 bit unsigned int
343    T_64PUINT8=0x0677,   // 64 bit pointer to 64 bit unsigned int
344
345    //  128 bit octet types
346
347    T_OCT=0x0014,   // 128 bit signed
348    T_32POCT=0x0414,   // 32 bit pointer to 128 bit signed
349    T_64POCT=0x0614,   // 64 bit pointer to 128 bit signed
350
351    T_UOCT=0x0024,   // 128 bit unsigned
352    T_32PUOCT=0x0424,   // 32 bit pointer to 128 bit unsigned
353    T_64PUOCT=0x0624,   // 64 bit pointer to 128 bit unsigned
354
355    //  128 bit int types
356
357    T_INT16=0x0078,   // 128 bit signed int
358    T_32PINT16=0x0478,   // 32 bit pointer to 128 bit signed int
359    T_64PINT16=0x0678,   // 64 bit pointer to 128 bit signed int
360
361    T_UINT16=0x0079,   // 128 bit unsigned int
362    T_32PUINT16=0x0479,   // 32 bit pointer to 128 bit unsigned int
363    T_64PUINT16=0x0679,   // 64 bit pointer to 128 bit unsigned int
364
365    //  32 bit real types
366
367    T_REAL32=0x0040,   // 32 bit real
368    T_32PREAL32=0x0440,   // 32 bit pointer to 32 bit real
369    T_64PREAL32=0x0640,   // 64 bit pointer to 32 bit real
370
371    //  64 bit real types
372
373    T_REAL64=0x0041,   // 64 bit real
374    T_32PREAL64=0x0441,   // 32 bit pointer to 64 bit real
375    T_64PREAL64=0x0641,   // 64 bit pointer to 64 bit real
376
377    //  80 bit real types
378
379    T_REAL80=0x0042,   // 80 bit real
380    T_32PREAL80=0x0442,   // 32 bit pointer to 80 bit real
381    T_64PREAL80=0x0642,   // 64 bit pointer to 80 bit real
382
383    //  128 bit real types
384
385    T_REAL128=0x0043,   // 128 bit real
386    T_32PREAL128=0x0443,   // 32 bit pointer to 128 bit real
387    T_64PREAL128=0x0643,   // 64 bit pointer to 128 bit real
388
389    //  32 bit complex types
390
391    T_CPLX32=0x0050,   // 32 bit complex
392    T_32PCPLX32=0x0450,   // 32 bit pointer to 32 bit complex
393    T_64PCPLX32=0x0650,   // 64 bit pointer to 32 bit complex
394
395    //  64 bit complex types
396
397    T_CPLX64=0x0051,   // 64 bit complex
398    T_32PCPLX64=0x0451,   // 32 bit pointer to 64 bit complex
399    T_64PCPLX64=0x0651,   // 64 bit pointer to 64 bit complex
400
401    //  80 bit complex types
402
403    T_CPLX80=0x0052,   // 80 bit complex
404    T_32PCPLX80=0x0452,   // 32 bit pointer to 80 bit complex
405    T_64PCPLX80=0x0652,   // 64 bit pointer to 80 bit complex
406
407    //  128 bit complex types
408
409    T_CPLX128=0x0053,   // 128 bit complex
410    T_32PCPLX128=0x0453,   // 32 bit pointer to 128 bit complex
411    T_64PCPLX128=0x0653,   // 64 bit pointer to 128 bit complex
412
413    //  boolean types
414
415    T_BOOL08=0x0030,   // 8 bit boolean
416    T_32PBOOL08=0x0430,   // 32 bit pointer to 8 bit boolean
417    T_64PBOOL08=0x0630,   // 64 bit pointer to 8 bit boolean
418
419    T_BOOL16=0x0031,   // 16 bit boolean
420    T_32PBOOL16=0x0431,   // 32 bit pointer to 18 bit boolean
421    T_64PBOOL16=0x0631,   // 64 bit pointer to 18 bit boolean
422
423    T_BOOL32=0x0032,   // 32 bit boolean
424    T_32PBOOL32=0x0432,   // 32 bit pointer to 32 bit boolean
425    T_64PBOOL32=0x0632,   // 64 bit pointer to 32 bit boolean
426
427    T_BOOL64=0x0033,   // 64 bit boolean
428    T_32PBOOL64=0x0433,   // 32 bit pointer to 64 bit boolean
429    T_64PBOOL64=0x0633,   // 64 bit pointer to 64 bit boolean
430  };
431
432  //  No leaf index can have a value of 0x0000.  The leaf indices are
433  //  separated into ranges depending upon the use of the type record.
434  //  The second range is for the type records that are directly referenced
435  //  in symbols. The first range is for type records that are not
436  //  referenced by symbols but instead are referenced by other type
437  //  records.  All type records must have a starting leaf index in these
438  //  first two ranges.  The third range of leaf indices are used to build
439  //  up complex lists such as the field list of a class type record.  No
440  //  type record can begin with one of the leaf indices. The fourth ranges
441  //  of type indices are used to represent numeric data in a symbol or
442  //  type record. These leaf indices are greater than 0x8000.  At the
443  //  point that type or symbol processor is expecting a numeric field, the
444  //  next two bytes in the type record are examined.  If the value is less
445  //  than 0x8000, then the two bytes contain the numeric value.  If the
446  //  value is greater than 0x8000, then the data follows the leaf index in
447  //  a format specified by the leaf index. The final range of leaf indices
448  //  are used to force alignment of subfields within a complex type record..
449  //
450
451  internal enum LEAF {
452    // leaf indices starting records but referenced from symbol records
453
454    LF_VTSHAPE=0x000a,
455    LF_COBOL1=0x000c,
456    LF_LABEL=0x000e,
457    LF_NULL=0x000f,
458    LF_NOTTRAN=0x0010,
459    LF_ENDPRECOMP=0x0014,       // not referenced from symbol
460    LF_TYPESERVER_ST=0x0016,       // not referenced from symbol
461
462    // leaf indices starting records but referenced only from type records
463
464    LF_LIST=0x0203,
465    LF_REFSYM=0x020c,
466
467    LF_ENUMERATE_ST=0x0403,
468
469    // 32-bit type index versions of leaves, all have the 0x1000 bit set
470    //
471    LF_TI16_MAX=0x1000,
472
473    LF_MODIFIER=0x1001,
474    LF_POINTER=0x1002,
475    LF_ARRAY_ST=0x1003,
476    LF_CLASS_ST=0x1004,
477    LF_STRUCTURE_ST=0x1005,
478    LF_UNION_ST=0x1006,
479    LF_ENUM_ST=0x1007,
480    LF_PROCEDURE=0x1008,
481    LF_MFUNCTION=0x1009,
482    LF_COBOL0=0x100a,
483    LF_BARRAY=0x100b,
484    LF_DIMARRAY_ST=0x100c,
485    LF_VFTPATH=0x100d,
486    LF_PRECOMP_ST=0x100e,       // not referenced from symbol
487    LF_OEM=0x100f,       // oem definable type string
488    LF_ALIAS_ST=0x1010,       // alias (typedef) type
489    LF_OEM2=0x1011,       // oem definable type string
490
491    // leaf indices starting records but referenced only from type records
492
493    LF_SKIP=0x1200,
494    LF_ARGLIST=0x1201,
495    LF_DEFARG_ST=0x1202,
496    LF_FIELDLIST=0x1203,
497    LF_DERIVED=0x1204,
498    LF_BITFIELD=0x1205,
499    LF_METHODLIST=0x1206,
500    LF_DIMCONU=0x1207,
501    LF_DIMCONLU=0x1208,
502    LF_DIMVARU=0x1209,
503    LF_DIMVARLU=0x120a,
504
505    LF_BCLASS=0x1400,
506    LF_VBCLASS=0x1401,
507    LF_IVBCLASS=0x1402,
508    LF_FRIENDFCN_ST=0x1403,
509    LF_INDEX=0x1404,
510    LF_MEMBER_ST=0x1405,
511    LF_STMEMBER_ST=0x1406,
512    LF_METHOD_ST=0x1407,
513    LF_NESTTYPE_ST=0x1408,
514    LF_VFUNCTAB=0x1409,
515    LF_FRIENDCLS=0x140a,
516    LF_ONEMETHOD_ST=0x140b,
517    LF_VFUNCOFF=0x140c,
518    LF_NESTTYPEEX_ST=0x140d,
519    LF_MEMBERMODIFY_ST=0x140e,
520    LF_MANAGED_ST=0x140f,
521
522    // Types w/ SZ names
523
524    LF_ST_MAX=0x1500,
525
526    LF_TYPESERVER=0x1501,       // not referenced from symbol
527    LF_ENUMERATE=0x1502,
528    LF_ARRAY=0x1503,
529    LF_CLASS=0x1504,
530    LF_STRUCTURE=0x1505,
531    LF_UNION=0x1506,
532    LF_ENUM=0x1507,
533    LF_DIMARRAY=0x1508,
534    LF_PRECOMP=0x1509,       // not referenced from symbol
535    LF_ALIAS=0x150a,       // alias (typedef) type
536    LF_DEFARG=0x150b,
537    LF_FRIENDFCN=0x150c,
538    LF_MEMBER=0x150d,
539    LF_STMEMBER=0x150e,
540    LF_METHOD=0x150f,
541    LF_NESTTYPE=0x1510,
542    LF_ONEMETHOD=0x1511,
543    LF_NESTTYPEEX=0x1512,
544    LF_MEMBERMODIFY=0x1513,
545    LF_MANAGED=0x1514,
546    LF_TYPESERVER2=0x1515,
547
548    LF_NUMERIC=0x8000,
549    LF_CHAR=0x8000,
550    LF_SHORT=0x8001,
551    LF_USHORT=0x8002,
552    LF_LONG=0x8003,
553    LF_ULONG=0x8004,
554    LF_REAL32=0x8005,
555    LF_REAL64=0x8006,
556    LF_REAL80=0x8007,
557    LF_REAL128=0x8008,
558    LF_QUADWORD=0x8009,
559    LF_UQUADWORD=0x800a,
560    LF_COMPLEX32=0x800c,
561    LF_COMPLEX64=0x800d,
562    LF_COMPLEX80=0x800e,
563    LF_COMPLEX128=0x800f,
564    LF_VARSTRING=0x8010,
565
566    LF_OCTWORD=0x8017,
567    LF_UOCTWORD=0x8018,
568
569    LF_DECIMAL=0x8019,
570    LF_DATE=0x801a,
571    LF_UTF8STRING=0x801b,
572
573    LF_PAD0=0xf0,
574    LF_PAD1=0xf1,
575    LF_PAD2=0xf2,
576    LF_PAD3=0xf3,
577    LF_PAD4=0xf4,
578    LF_PAD5=0xf5,
579    LF_PAD6=0xf6,
580    LF_PAD7=0xf7,
581    LF_PAD8=0xf8,
582    LF_PAD9=0xf9,
583    LF_PAD10=0xfa,
584    LF_PAD11=0xfb,
585    LF_PAD12=0xfc,
586    LF_PAD13=0xfd,
587    LF_PAD14=0xfe,
588    LF_PAD15=0xff,
589
590  };
591
592  // end of leaf indices
593
594  //  Type enum for pointer records
595  //  Pointers can be one of the following types
596
597  internal enum CV_ptrtype {
598    CV_PTR_BASE_SEG=0x03, // based on segment
599    CV_PTR_BASE_VAL=0x04, // based on value of base
600    CV_PTR_BASE_SEGVAL=0x05, // based on segment value of base
601    CV_PTR_BASE_ADDR=0x06, // based on address of base
602    CV_PTR_BASE_SEGADDR=0x07, // based on segment address of base
603    CV_PTR_BASE_TYPE=0x08, // based on type
604    CV_PTR_BASE_SELF=0x09, // based on self
605    CV_PTR_NEAR32=0x0a, // 32 bit pointer
606    CV_PTR_64=0x0c, // 64 bit pointer
607    CV_PTR_UNUSEDPTR=0x0d  // first unused pointer type
608  };
609
610  //  Mode enum for pointers
611  //  Pointers can have one of the following modes
612
613  internal enum CV_ptrmode {
614    CV_PTR_MODE_PTR=0x00, // "normal" pointer
615    CV_PTR_MODE_REF=0x01, // reference
616    CV_PTR_MODE_PMEM=0x02, // pointer to data member
617    CV_PTR_MODE_PMFUNC=0x03, // pointer to member function
618    CV_PTR_MODE_RESERVED=0x04  // first unused pointer mode
619  };
620
621  //  enumeration for pointer-to-member types
622
623  internal enum CV_pmtype {
624    CV_PMTYPE_Undef=0x00, // not specified (pre VC8)
625    CV_PMTYPE_D_Single=0x01, // member data, single inheritance
626    CV_PMTYPE_D_Multiple=0x02, // member data, multiple inheritance
627    CV_PMTYPE_D_Virtual=0x03, // member data, virtual inheritance
628    CV_PMTYPE_D_General=0x04, // member data, most general
629    CV_PMTYPE_F_Single=0x05, // member function, single inheritance
630    CV_PMTYPE_F_Multiple=0x06, // member function, multiple inheritance
631    CV_PMTYPE_F_Virtual=0x07, // member function, virtual inheritance
632    CV_PMTYPE_F_General=0x08, // member function, most general
633  };
634
635  //  enumeration for method properties
636
637  internal enum CV_methodprop {
638    CV_MTvanilla=0x00,
639    CV_MTvirtual=0x01,
640    CV_MTstatic=0x02,
641    CV_MTfriend=0x03,
642    CV_MTintro=0x04,
643    CV_MTpurevirt=0x05,
644    CV_MTpureintro=0x06
645  };
646
647  //  enumeration for virtual shape table entries
648
649  internal enum CV_VTS_desc {
650    CV_VTS_near=0x00,
651    CV_VTS_far=0x01,
652    CV_VTS_thin=0x02,
653    CV_VTS_outer=0x03,
654    CV_VTS_meta=0x04,
655    CV_VTS_near32=0x05,
656    CV_VTS_far32=0x06,
657    CV_VTS_unused=0x07
658  };
659
660  //  enumeration for LF_LABEL address modes
661
662  internal enum CV_LABEL_TYPE {
663    CV_LABEL_NEAR=0,       // near return
664    CV_LABEL_FAR=4        // far return
665  };
666
667  //  enumeration for LF_MODIFIER values
668
669  [Flags]
670  internal enum CV_modifier : ushort {
671    MOD_const=0x0001,
672    MOD_volatile=0x0002,
673    MOD_unaligned=0x0004,
674  };
675
676  //  bit field structure describing class/struct/union/enum properties
677
678  [Flags]
679  internal enum CV_prop : ushort {
680    packed=0x0001,   // true if structure is packed
681    ctor=0x0002,   // true if constructors or destructors present
682    ovlops=0x0004,   // true if overloaded operators present
683    isnested=0x0008,   // true if this is a nested class
684    cnested=0x0010,   // true if this class contains nested types
685    opassign=0x0020,   // true if overloaded assignment (=)
686    opcast=0x0040,   // true if casting methods
687    fwdref=0x0080,   // true if forward reference (incomplete defn)
688    scoped=0x0100,   // scoped definition
689  }
690
691  //  class field attribute
692
693  [Flags]
694  internal enum CV_fldattr {
695    access=0x0003,   // access protection CV_access_t
696    mprop=0x001c,   // method properties CV_methodprop_t
697    pseudo=0x0020,   // compiler generated fcn and does not exist
698    noinherit=0x0040,   // true if class cannot be inherited
699    noconstruct=0x0080,   // true if class cannot be constructed
700    compgenx=0x0100,   // compiler generated fcn and does exist
701  }
702
703  //  Structures to access to the type records
704
705  internal struct TYPTYPE {
706    internal ushort len;
707    internal ushort leaf;
708    // byte data[];
709
710    //  char *NextType (char * pType) {
711    //  return (pType + ((TYPTYPE *)pType)->len + sizeof(ushort));
712    //  }
713  };          // general types record
714
715  //  memory representation of pointer to member.  These representations are
716  //  indexed by the enumeration above in the LF_POINTER record
717
718  //  representation of a 32 bit pointer to data for a class with
719  //  or without virtual functions and no virtual bases
720
721  internal struct CV_PDMR32_NVVFCN {
722    internal int mdisp;      // displacement to data (NULL = 0x80000000)
723  };
724
725  //  representation of a 32 bit pointer to data for a class
726  //  with virtual bases
727
728  internal struct CV_PDMR32_VBASE {
729    internal int mdisp;      // displacement to data
730    internal int pdisp;      // this pointer displacement
731    internal int vdisp;      // vbase table displacement
732    // NULL = (,,0xffffffff)
733  };
734
735  //  representation of a 32 bit pointer to member function for a
736  //  class with no virtual bases and a single address point
737
738  internal struct CV_PMFR32_NVSA {
739    internal uint off;        // near address of function (NULL = 0L)
740  };
741
742  //  representation of a 32 bit pointer to member function for a
743  //  class with no virtual bases and multiple address points
744
745  internal struct CV_PMFR32_NVMA {
746    internal uint off;        // near address of function (NULL = 0L,x)
747    internal int disp;
748  };
749
750  //  representation of a 32 bit pointer to member function for a
751  //  class with virtual bases
752
753  internal struct CV_PMFR32_VBASE {
754    internal uint off;        // near address of function (NULL = 0L,x,x,x)
755    internal int mdisp;      // displacement to data
756    internal int pdisp;      // this pointer displacement
757    internal int vdisp;      // vbase table displacement
758  };
759
760  //////////////////////////////////////////////////////////////////////////////
761  //
762  //  The following type records are basically variant records of the
763  //  above structure.  The "ushort leaf" of the above structure and
764  //  the "ushort leaf" of the following type definitions are the same
765  //  symbol.
766  //
767
768  //  Notes on alignment
769  //  Alignment of the fields in most of the type records is done on the
770  //  basis of the TYPTYPE record base.  That is why in most of the lf*
771  //  records that the type is located on what appears to
772  //  be a offset mod 4 == 2 boundary.  The exception to this rule are those
773  //  records that are in a list (lfFieldList, lfMethodList), which are
774  //  aligned to their own bases since they don't have the length field
775  //
776
777  //  Type record for LF_MODIFIER
778
779  internal struct LeafModifier {
780    // internal ushort leaf;      // LF_MODIFIER [TYPTYPE]
781    internal uint type;       // (type index) modified type
782    internal CV_modifier attr;    // modifier attribute modifier_t
783  };
784
785  //  type record for LF_POINTER
786
787  [Flags]
788  internal enum LeafPointerAttr : uint {
789    ptrtype=0x0000001f,   // ordinal specifying pointer type (CV_ptrtype)
790    ptrmode=0x000000e0,   // ordinal specifying pointer mode (CV_ptrmode)
791    isflat32=0x00000100,   // true if 0:32 pointer
792    isvolatile=0x00000200,   // TRUE if volatile pointer
793    isconst=0x00000400,   // TRUE if const pointer
794    isunaligned=0x00000800,   // TRUE if unaligned pointer
795    isrestrict=0x00001000,   // TRUE if restricted pointer (allow agressive opts)
796  };
797
798  internal struct LeafPointer {
799    internal struct LeafPointerBody {
800      // internal ushort leaf;  // LF_POINTER [TYPTYPE]
801      internal uint utype;  // (type index) type index of the underlying type
802      internal LeafPointerAttr attr;
803    };
804#if false
805        union {
806            internal struct {
807                uint    pmclass;    // (type index) index of containing class for pointer to member
808                ushort  pmenum;     // enumeration specifying pm format (CV_pmtype)
809            };
810            ushort  bseg;           // base segment if PTR_BASE_SEG
811            byte[]  Sym;            // copy of base symbol record (including length)
812            internal struct  {
813                uint    index;      // (type index) type index if CV_PTR_BASE_TYPE
814                string  name;       // name of base type
815            } btype;
816        } pbase;
817#endif
818  }
819
820  //  type record for LF_ARRAY
821
822  internal struct LeafArray {
823    // internal ushort leaf;      // LF_ARRAY [TYPTYPE]
824    internal uint elemtype;   // (type index) type index of element type
825    internal uint idxtype;    // (type index) type index of indexing type
826    internal byte[] data;       // variable length data specifying size in bytes
827    internal string name;
828  };
829
830  //  type record for LF_CLASS, LF_STRUCTURE
831
832  internal struct LeafClass {
833    // internal ushort leaf;      // LF_CLASS, LF_STRUCT [TYPTYPE]
834    internal ushort count;      // count of number of elements in class
835    internal ushort property;   // (CV_prop_t) property attribute field (prop_t)
836    internal uint field;      // (type index) type index of LF_FIELD descriptor list
837    internal uint derived;    // (type index) type index of derived from list if not zero
838    internal uint vshape;     // (type index) type index of vshape table for this class
839    internal byte[] data;       // data describing length of structure in bytes
840    internal string name;
841  };
842
843  //  type record for LF_UNION
844
845  internal struct LeafUnion {
846    // internal ushort leaf;      // LF_UNION [TYPTYPE]
847    internal ushort count;      // count of number of elements in class
848    internal ushort property;   // (CV_prop_t) property attribute field
849    internal uint field;      // (type index) type index of LF_FIELD descriptor list
850    internal byte[] data;       // variable length data describing length of
851    internal string name;
852  };
853
854  //  type record for LF_ALIAS
855
856  internal struct LeafAlias {
857    // internal ushort leaf;      // LF_ALIAS [TYPTYPE]
858    internal uint utype;      // (type index) underlying type
859    internal string name;       // alias name
860  };
861
862  //  type record for LF_MANAGED
863
864  internal struct LeafManaged {
865    // internal ushort leaf;      // LF_MANAGED [TYPTYPE]
866    internal string name;       // utf8, zero terminated managed type name
867  };
868
869  //  type record for LF_ENUM
870
871  internal struct LeafEnum {
872    // internal ushort leaf;      // LF_ENUM [TYPTYPE]
873    internal ushort count;      // count of number of elements in class
874    internal ushort property;   // (CV_propt_t) property attribute field
875    internal uint utype;      // (type index) underlying type of the enum
876    internal uint field;      // (type index) type index of LF_FIELD descriptor list
877    internal string name;       // length prefixed name of enum
878  };
879
880  //  Type record for LF_PROCEDURE
881
882  internal struct LeafProc {
883    // internal ushort leaf;      // LF_PROCEDURE [TYPTYPE]
884    internal uint rvtype;     // (type index) type index of return value
885    internal byte calltype;   // calling convention (CV_call_t)
886    internal byte reserved;   // reserved for future use
887    internal ushort parmcount;  // number of parameters
888    internal uint arglist;    // (type index) type index of argument list
889  };
890
891  //  Type record for member function
892
893  internal struct LeafMFunc {
894    // internal ushort leaf;      // LF_MFUNCTION [TYPTYPE]
895    internal uint rvtype;     // (type index) type index of return value
896    internal uint classtype;  // (type index) type index of containing class
897    internal uint thistype;   // (type index) type index of this pointer (model specific)
898    internal byte calltype;   // calling convention (call_t)
899    internal byte reserved;   // reserved for future use
900    internal ushort parmcount;  // number of parameters
901    internal uint arglist;    // (type index) type index of argument list
902    internal int thisadjust; // this adjuster (long because pad required anyway)
903  };
904
905  //  type record for virtual function table shape
906
907  internal struct LeafVTShape {
908    // internal ushort leaf;      // LF_VTSHAPE [TYPTYPE]
909    internal ushort count;      // number of entries in vfunctable
910    internal byte[] desc;       // 4 bit (CV_VTS_desc) descriptors
911  };
912
913  //  type record for cobol0
914
915  internal struct LeafCobol0 {
916    // internal ushort leaf;      // LF_COBOL0 [TYPTYPE]
917    internal uint type;       // (type index) parent type record index
918    internal byte[] data;
919  };
920
921  //  type record for cobol1
922
923  internal struct LeafCobol1 {
924    // internal ushort leaf;      // LF_COBOL1 [TYPTYPE]
925    internal byte[] data;
926  };
927
928  //  type record for basic array
929
930  internal struct LeafBArray {
931    // internal ushort leaf;      // LF_BARRAY [TYPTYPE]
932    internal uint utype;      // (type index) type index of underlying type
933  };
934
935  //  type record for assembler labels
936
937  internal struct LeafLabel {
938    // internal ushort leaf;      // LF_LABEL [TYPTYPE]
939    internal ushort mode;       // addressing mode of label
940  };
941
942  //  type record for dimensioned arrays
943
944  internal struct LeafDimArray {
945    // internal ushort leaf;      // LF_DIMARRAY [TYPTYPE]
946    internal uint utype;      // (type index) underlying type of the array
947    internal uint diminfo;    // (type index) dimension information
948    internal string name;       // length prefixed name
949  };
950
951  //  type record describing path to virtual function table
952
953  internal struct LeafVFTPath {
954    // internal ushort leaf;      // LF_VFTPATH [TYPTYPE]
955    internal uint count;      // count of number of bases in path
956    internal uint[] bases;      // (type index) bases from root to leaf
957  };
958
959  //  type record describing inclusion of precompiled types
960
961  internal struct LeafPreComp {
962    // internal ushort leaf;      // LF_PRECOMP [TYPTYPE]
963    internal uint start;      // starting type index included
964    internal uint count;      // number of types in inclusion
965    internal uint signature;  // signature
966    internal string name;       // length prefixed name of included type file
967  };
968
969  //  type record describing end of precompiled types that can be
970  //  included by another file
971
972  internal struct LeafEndPreComp {
973    // internal ushort leaf;      // LF_ENDPRECOMP [TYPTYPE]
974    internal uint signature;  // signature
975  };
976
977  //  type record for OEM definable type strings
978
979  internal struct LeafOEM {
980    // internal ushort leaf;      // LF_OEM [TYPTYPE]
981    internal ushort cvOEM;      // MS assigned OEM identified
982    internal ushort recOEM;     // OEM assigned type identifier
983    internal uint count;      // count of type indices to follow
984    internal uint[] index;      // (type index) array of type indices followed
985    // by OEM defined data
986  };
987
988  internal enum OEM_ID {
989    OEM_MS_FORTRAN90=0xF090,
990    OEM_ODI=0x0010,
991    OEM_THOMSON_SOFTWARE=0x5453,
992    OEM_ODI_REC_BASELIST=0x0000,
993  };
994
995  internal struct LeafOEM2 {
996    // internal ushort leaf;      // LF_OEM2 [TYPTYPE]
997    internal Guid idOem;      // an oem ID (Guid)
998    internal uint count;      // count of type indices to follow
999    internal uint[] index;      // (type index) array of type indices followed
1000    // by OEM defined data
1001  };
1002
1003  //  type record describing using of a type server
1004
1005  internal struct LeafTypeServer {
1006    // internal ushort leaf;      // LF_TYPESERVER [TYPTYPE]
1007    internal uint signature;  // signature
1008    internal uint age;        // age of database used by this module
1009    internal string name;       // length prefixed name of PDB
1010  };
1011
1012  //  type record describing using of a type server with v7 (GUID) signatures
1013
1014  internal struct LeafTypeServer2 {
1015    // internal ushort leaf;      // LF_TYPESERVER2 [TYPTYPE]
1016    internal Guid sig70;      // guid signature
1017    internal uint age;        // age of database used by this module
1018    internal string name;       // length prefixed name of PDB
1019  };
1020
1021  //  description of type records that can be referenced from
1022  //  type records referenced by symbols
1023
1024  //  type record for skip record
1025
1026  internal struct LeafSkip {
1027    // internal ushort leaf;      // LF_SKIP [TYPTYPE]
1028    internal uint type;       // (type index) next valid index
1029    internal byte[] data;       // pad data
1030  };
1031
1032  //  argument list leaf
1033
1034  internal struct LeafArgList {
1035    // internal ushort leaf;      // LF_ARGLIST [TYPTYPE]
1036    internal uint count;      // number of arguments
1037    internal uint[] arg;        // (type index) number of arguments
1038  };
1039
1040  //  derived class list leaf
1041
1042  internal struct LeafDerived {
1043    // internal ushort leaf;      // LF_DERIVED [TYPTYPE]
1044    internal uint count;      // number of arguments
1045    internal uint[] drvdcls;    // (type index) type indices of derived classes
1046  };
1047
1048  //  leaf for default arguments
1049
1050  internal struct LeafDefArg {
1051    // internal ushort leaf;      // LF_DEFARG [TYPTYPE]
1052    internal uint type;       // (type index) type of resulting expression
1053    internal byte[] expr;       // length prefixed expression string
1054  };
1055
1056  //  list leaf
1057  //      This list should no longer be used because the utilities cannot
1058  //      verify the contents of the list without knowing what type of list
1059  //      it is.  New specific leaf indices should be used instead.
1060
1061  internal struct LeafList {
1062    // internal ushort leaf;      // LF_LIST [TYPTYPE]
1063    internal byte[] data;       // data format specified by indexing type
1064  };
1065
1066  //  field list leaf
1067  //  This is the header leaf for a complex list of class and structure
1068  //  subfields.
1069
1070  internal struct LeafFieldList {
1071    // internal ushort leaf;      // LF_FIELDLIST [TYPTYPE]
1072    internal char[] data;       // field list sub lists
1073  };
1074
1075  //  type record for non-static methods and friends in overloaded method list
1076
1077  internal struct mlMethod {
1078    internal ushort attr;       // (CV_fldattr_t) method attribute
1079    internal ushort pad0;       // internal padding, must be 0
1080    internal uint index;      // (type index) index to type record for procedure
1081    internal uint[] vbaseoff;   // offset in vfunctable if intro virtual
1082  };
1083
1084  internal struct LeafMethodList {
1085    // internal ushort leaf;      // LF_METHODLIST [TYPTYPE]
1086    internal byte[] mList;      // really a mlMethod type
1087  };
1088
1089  //  type record for LF_BITFIELD
1090
1091  internal struct LeafBitfield {
1092    // internal ushort leaf;      // LF_BITFIELD [TYPTYPE]
1093    internal uint type;       // (type index) type of bitfield
1094    internal byte length;
1095    internal byte position;
1096  };
1097
1098  //  type record for dimensioned array with constant bounds
1099
1100  internal struct LeafDimCon {
1101    // internal ushort leaf;      // LF_DIMCONU or LF_DIMCONLU [TYPTYPE]
1102    internal uint typ;        // (type index) type of index
1103    internal ushort rank;       // number of dimensions
1104    internal byte[] dim;        // array of dimension information with
1105    // either upper bounds or lower/upper bound
1106  };
1107
1108  //  type record for dimensioned array with variable bounds
1109
1110  internal struct LeafDimVar {
1111    // internal ushort leaf;      // LF_DIMVARU or LF_DIMVARLU [TYPTYPE]
1112    internal uint rank;       // number of dimensions
1113    internal uint typ;        // (type index) type of index
1114    internal uint[] dim;        // (type index) array of type indices for either
1115    // variable upper bound or variable
1116    // lower/upper bound.  The count of type
1117    // indices is rank or rank*2 depending on
1118    // whether it is LFDIMVARU or LF_DIMVARLU.
1119    // The referenced types must be
1120    // LF_REFSYM or T_VOID
1121  };
1122
1123  //  type record for referenced symbol
1124
1125  internal struct LeafRefSym {
1126    // internal ushort leaf;      // LF_REFSYM [TYPTYPE]
1127    internal byte[] Sym;        // copy of referenced symbol record
1128    // (including length)
1129  };
1130
1131  //  the following are numeric leaves.  They are used to indicate the
1132  //  size of the following variable length data.  When the numeric
1133  //  data is a single byte less than 0x8000, then the data is output
1134  //  directly.  If the data is more the 0x8000 or is a negative value,
1135  //  then the data is preceeded by the proper index.
1136  //
1137
1138  //  signed character leaf
1139
1140  internal struct LeafChar {
1141    // internal ushort leaf;      // LF_CHAR [TYPTYPE]
1142    internal sbyte val;        // signed 8-bit value
1143  };
1144
1145  //  signed short leaf
1146
1147  internal struct LeafShort {
1148    // internal ushort leaf;      // LF_SHORT [TYPTYPE]
1149    internal short val;        // signed 16-bit value
1150  };
1151
1152  //  ushort leaf
1153
1154  internal struct LeafUShort {
1155    // internal ushort leaf;      // LF_ushort [TYPTYPE]
1156    internal ushort val;        // unsigned 16-bit value
1157  };
1158
1159  //  signed (32-bit) long leaf
1160
1161  internal struct LeafLong {
1162    // internal ushort leaf;      // LF_LONG [TYPTYPE]
1163    internal int val;        // signed 32-bit value
1164  };
1165
1166  //  uint    leaf
1167
1168  internal struct LeafULong {
1169    // internal ushort leaf;      // LF_ULONG [TYPTYPE]
1170    internal uint val;        // unsigned 32-bit value
1171  };
1172
1173  //  signed quad leaf
1174
1175  internal struct LeafQuad {
1176    // internal ushort leaf;      // LF_QUAD [TYPTYPE]
1177    internal long val;        // signed 64-bit value
1178  };
1179
1180  //  unsigned quad leaf
1181
1182  internal struct LeafUQuad {
1183    // internal ushort leaf;      // LF_UQUAD [TYPTYPE]
1184    internal ulong val;        // unsigned 64-bit value
1185  };
1186
1187  //  signed int128 leaf
1188
1189  internal struct LeafOct {
1190    // internal ushort leaf;      // LF_OCT [TYPTYPE]
1191    internal ulong val0;
1192    internal ulong val1;       // signed 128-bit value
1193  };
1194
1195  //  unsigned int128 leaf
1196
1197  internal struct LeafUOct {
1198    // internal ushort leaf;      // LF_UOCT [TYPTYPE]
1199    internal ulong val0;
1200    internal ulong val1;       // unsigned 128-bit value
1201  };
1202
1203  //  real 32-bit leaf
1204
1205  internal struct LeafReal32 {
1206    // internal ushort leaf;      // LF_REAL32 [TYPTYPE]
1207    internal float val;        // 32-bit real value
1208  };
1209
1210  //  real 64-bit leaf
1211
1212  internal struct LeafReal64 {
1213    // internal ushort leaf;      // LF_REAL64 [TYPTYPE]
1214    internal double val;        // 64-bit real value
1215  };
1216
1217  //  real 80-bit leaf
1218
1219  internal struct LeafReal80 {
1220    // internal ushort leaf;      // LF_REAL80 [TYPTYPE]
1221    internal FLOAT10 val;        // real 80-bit value
1222  };
1223
1224  //  real 128-bit leaf
1225
1226  internal struct LeafReal128 {
1227    // internal ushort leaf;      // LF_REAL128 [TYPTYPE]
1228    internal ulong val0;
1229    internal ulong val1;       // real 128-bit value
1230  };
1231
1232  //  complex 32-bit leaf
1233
1234  internal struct LeafCmplx32 {
1235    // internal ushort leaf;      // LF_COMPLEX32 [TYPTYPE]
1236    internal float val_real;   // real component
1237    internal float val_imag;   // imaginary component
1238  };
1239
1240  //  complex 64-bit leaf
1241
1242  internal struct LeafCmplx64 {
1243    // internal ushort leaf;      // LF_COMPLEX64 [TYPTYPE]
1244    internal double val_real;   // real component
1245    internal double val_imag;   // imaginary component
1246  };
1247
1248  //  complex 80-bit leaf
1249
1250  internal struct LeafCmplx80 {
1251    // internal ushort leaf;      // LF_COMPLEX80 [TYPTYPE]
1252    internal FLOAT10 val_real;   // real component
1253    internal FLOAT10 val_imag;   // imaginary component
1254  };
1255
1256  //  complex 128-bit leaf
1257
1258  internal struct LeafCmplx128 {
1259    // internal ushort leaf;      // LF_COMPLEX128 [TYPTYPE]
1260    internal ulong val0_real;
1261    internal ulong val1_real;  // real component
1262    internal ulong val0_imag;
1263    internal ulong val1_imag;  // imaginary component
1264  };
1265
1266  //  variable length numeric field
1267
1268  internal struct LeafVarString {
1269    // internal ushort leaf;      // LF_VARSTRING [TYPTYPE]
1270    internal ushort len;        // length of value in bytes
1271    internal byte[] value;      // value
1272  };
1273
1274  //  index leaf - contains type index of another leaf
1275  //  a major use of this leaf is to allow the compilers to emit a
1276  //  long complex list (LF_FIELD) in smaller pieces.
1277
1278  internal struct LeafIndex {
1279    // internal ushort leaf;      // LF_INDEX [TYPTYPE]
1280    internal ushort pad0;       // internal padding, must be 0
1281    internal uint index;      // (type index) type index of referenced leaf
1282  };
1283
1284  //  subfield record for base class field
1285
1286  internal struct LeafBClass {
1287    // internal ushort leaf;      // LF_BCLASS [TYPTYPE]
1288    internal ushort attr;       // (CV_fldattr_t) attribute
1289    internal uint index;      // (type index) type index of base class
1290    internal byte[] offset;     // variable length offset of base within class
1291  };
1292
1293  //  subfield record for direct and indirect virtual base class field
1294
1295  internal struct LeafVBClass {
1296    // internal ushort leaf;      // LF_VBCLASS | LV_IVBCLASS [TYPTYPE]
1297    internal ushort attr;       // (CV_fldattr_t) attribute
1298    internal uint index;      // (type index) type index of direct virtual base class
1299    internal uint vbptr;      // (type index) type index of virtual base pointer
1300    internal byte[] vbpoff;     // virtual base pointer offset from address point
1301    // followed by virtual base offset from vbtable
1302  };
1303
1304  //  subfield record for friend class
1305
1306  internal struct LeafFriendCls {
1307    // internal ushort leaf;      // LF_FRIENDCLS [TYPTYPE]
1308    internal ushort pad0;       // internal padding, must be 0
1309    internal uint index;      // (type index) index to type record of friend class
1310  };
1311
1312  //  subfield record for friend function
1313
1314  internal struct LeafFriendFcn {
1315    // internal ushort leaf;      // LF_FRIENDFCN [TYPTYPE]
1316    internal ushort pad0;       // internal padding, must be 0
1317    internal uint index;      // (type index) index to type record of friend function
1318    internal string name;       // name of friend function
1319  };
1320
1321  //  subfield record for non-static data members
1322
1323  internal struct LeafMember {
1324    // internal ushort leaf;      // LF_MEMBER [TYPTYPE]
1325    internal ushort attr;       // (CV_fldattr_t)attribute mask
1326    internal uint index;      // (type index) index of type record for field
1327    internal byte[] offset;     // variable length offset of field
1328    internal string name;       // length prefixed name of field
1329  };
1330
1331  //  type record for static data members
1332
1333  internal struct LeafSTMember {
1334    // internal ushort leaf;      // LF_STMEMBER [TYPTYPE]
1335    internal ushort attr;       // (CV_fldattr_t) attribute mask
1336    internal uint index;      // (type index) index of type record for field
1337    internal string name;       // length prefixed name of field
1338  };
1339
1340  //  subfield record for virtual function table pointer
1341
1342  internal struct LeafVFuncTab {
1343    // internal ushort leaf;      // LF_VFUNCTAB [TYPTYPE]
1344    internal ushort pad0;       // internal padding, must be 0
1345    internal uint type;       // (type index) type index of pointer
1346  };
1347
1348  //  subfield record for virtual function table pointer with offset
1349
1350  internal struct LeafVFuncOff {
1351    // internal ushort leaf;      // LF_VFUNCOFF [TYPTYPE]
1352    internal ushort pad0;       // internal padding, must be 0.
1353    internal uint type;       // (type index) type index of pointer
1354    internal int offset;     // offset of virtual function table pointer
1355  };
1356
1357  //  subfield record for overloaded method list
1358
1359  internal struct LeafMethod {
1360    // internal ushort leaf;      // LF_METHOD [TYPTYPE]
1361    internal ushort count;      // number of occurrences of function
1362    internal uint mList;      // (type index) index to LF_METHODLIST record
1363    internal string name;       // length prefixed name of method
1364  };
1365
1366  //  subfield record for nonoverloaded method
1367
1368  internal struct LeafOneMethod {
1369    // internal ushort leaf;      // LF_ONEMETHOD [TYPTYPE]
1370    internal ushort attr;       // (CV_fldattr_t) method attribute
1371    internal uint index;      // (type index) index to type record for procedure
1372    internal uint[] vbaseoff;   // offset in vfunctable if intro virtual
1373    internal string name;
1374  };
1375
1376  //  subfield record for enumerate
1377
1378  internal struct LeafEnumerate {
1379    // internal ushort leaf;      // LF_ENUMERATE [TYPTYPE]
1380    internal ushort attr;       // (CV_fldattr_t) access
1381    internal byte[] value;      // variable length value field
1382    internal string name;
1383  };
1384
1385  //  type record for nested (scoped) type definition
1386
1387  internal struct LeafNestType {
1388    // internal ushort leaf;      // LF_NESTTYPE [TYPTYPE]
1389    internal ushort pad0;       // internal padding, must be 0
1390    internal uint index;      // (type index) index of nested type definition
1391    internal string name;       // length prefixed type name
1392  };
1393
1394  //  type record for nested (scoped) type definition, with attributes
1395  //  new records for vC v5.0, no need to have 16-bit ti versions.
1396
1397  internal struct LeafNestTypeEx {
1398    // internal ushort leaf;      // LF_NESTTYPEEX [TYPTYPE]
1399    internal ushort attr;       // (CV_fldattr_t) member access
1400    internal uint index;      // (type index) index of nested type definition
1401    internal string name;       // length prefixed type name
1402  };
1403
1404  //  type record for modifications to members
1405
1406  internal struct LeafMemberModify {
1407    // internal ushort leaf;      // LF_MEMBERMODIFY [TYPTYPE]
1408    internal ushort attr;       // (CV_fldattr_t) the new attributes
1409    internal uint index;      // (type index) index of base class type definition
1410    internal string name;       // length prefixed member name
1411  };
1412
1413  //  type record for pad leaf
1414
1415  internal struct LeafPad {
1416    internal byte leaf;
1417  };
1418
1419  //  Symbol definitions
1420
1421  internal enum SYM {
1422    S_END=0x0006,  // Block, procedure, "with" or thunk end
1423    S_OEM=0x0404,  // OEM defined symbol
1424
1425    S_REGISTER_ST=0x1001,  // Register variable
1426    S_CONSTANT_ST=0x1002,  // constant symbol
1427    S_UDT_ST=0x1003,  // User defined type
1428    S_COBOLUDT_ST=0x1004,  // special UDT for cobol that does not symbol pack
1429    S_MANYREG_ST=0x1005,  // multiple register variable
1430    S_BPREL32_ST=0x1006,  // BP-relative
1431    S_LDATA32_ST=0x1007,  // Module-local symbol
1432    S_GDATA32_ST=0x1008,  // Global data symbol
1433    S_PUB32_ST=0x1009,  // a internal symbol (CV internal reserved)
1434    S_LPROC32_ST=0x100a,  // Local procedure start
1435    S_GPROC32_ST=0x100b,  // Global procedure start
1436    S_VFTABLE32=0x100c,  // address of virtual function table
1437    S_REGREL32_ST=0x100d,  // register relative address
1438    S_LTHREAD32_ST=0x100e,  // local thread storage
1439    S_GTHREAD32_ST=0x100f,  // global thread storage
1440
1441    S_LPROCMIPS_ST=0x1010,  // Local procedure start
1442    S_GPROCMIPS_ST=0x1011,  // Global procedure start
1443
1444    // new symbol records for edit and continue information
1445
1446    S_FRAMEPROC=0x1012,  // extra frame and proc information
1447    S_COMPILE2_ST=0x1013,  // extended compile flags and info
1448
1449    // new symbols necessary for 16-bit enumerates of IA64 registers
1450    // and IA64 specific symbols
1451
1452    S_MANYREG2_ST=0x1014,  // multiple register variable
1453    S_LPROCIA64_ST=0x1015,  // Local procedure start (IA64)
1454    S_GPROCIA64_ST=0x1016,  // Global procedure start (IA64)
1455
1456    // Local symbols for IL
1457    S_LOCALSLOT_ST=0x1017,  // local IL sym with field for local slot index
1458    S_PARAMSLOT_ST=0x1018,  // local IL sym with field for parameter slot index
1459
1460    S_ANNOTATION=0x1019,  // Annotation string literals
1461
1462    // symbols to support managed code debugging
1463    S_GMANPROC_ST=0x101a,  // Global proc
1464    S_LMANPROC_ST=0x101b,  // Local proc
1465    S_RESERVED1=0x101c,  // reserved
1466    S_RESERVED2=0x101d,  // reserved
1467    S_RESERVED3=0x101e,  // reserved
1468    S_RESERVED4=0x101f,  // reserved
1469    S_LMANDATA_ST=0x1020,
1470    S_GMANDATA_ST=0x1021,
1471    S_MANFRAMEREL_ST=0x1022,
1472    S_MANREGISTER_ST=0x1023,
1473    S_MANSLOT_ST=0x1024,
1474    S_MANMANYREG_ST=0x1025,
1475    S_MANREGREL_ST=0x1026,
1476    S_MANMANYREG2_ST=0x1027,
1477    S_MANTYPREF=0x1028,  // Index for type referenced by name from metadata
1478    S_UNAMESPACE_ST=0x1029,  // Using namespace
1479
1480    // Symbols w/ SZ name fields. All name fields contain utf8 encoded strings.
1481    S_ST_MAX=0x1100,  // starting point for SZ name symbols
1482
1483    S_OBJNAME=0x1101,  // path to object file name
1484    S_THUNK32=0x1102,  // Thunk Start
1485    S_BLOCK32=0x1103,  // block start
1486    S_WITH32=0x1104,  // with start
1487    S_LABEL32=0x1105,  // code label
1488    S_REGISTER=0x1106,  // Register variable
1489    S_CONSTANT=0x1107,  // constant symbol
1490    S_UDT=0x1108,  // User defined type
1491    S_COBOLUDT=0x1109,  // special UDT for cobol that does not symbol pack
1492    S_MANYREG=0x110a,  // multiple register variable
1493    S_BPREL32=0x110b,  // BP-relative
1494    S_LDATA32=0x110c,  // Module-local symbol
1495    S_GDATA32=0x110d,  // Global data symbol
1496    S_PUB32=0x110e,  // a internal symbol (CV internal reserved)
1497    S_LPROC32=0x110f,  // Local procedure start
1498    S_GPROC32=0x1110,  // Global procedure start
1499    S_REGREL32=0x1111,  // register relative address
1500    S_LTHREAD32=0x1112,  // local thread storage
1501    S_GTHREAD32=0x1113,  // global thread storage
1502
1503    S_LPROCMIPS=0x1114,  // Local procedure start
1504    S_GPROCMIPS=0x1115,  // Global procedure start
1505    S_COMPILE2=0x1116,  // extended compile flags and info
1506    S_MANYREG2=0x1117,  // multiple register variable
1507    S_LPROCIA64=0x1118,  // Local procedure start (IA64)
1508    S_GPROCIA64=0x1119,  // Global procedure start (IA64)
1509    S_LOCALSLOT=0x111a,  // local IL sym with field for local slot index
1510    S_SLOT=S_LOCALSLOT,  // alias for LOCALSLOT
1511    S_PARAMSLOT=0x111b,  // local IL sym with field for parameter slot index
1512
1513    // symbols to support managed code debugging
1514    S_LMANDATA=0x111c,
1515    S_GMANDATA=0x111d,
1516    S_MANFRAMEREL=0x111e,
1517    S_MANREGISTER=0x111f,
1518    S_MANSLOT=0x1120,
1519    S_MANMANYREG=0x1121,
1520    S_MANREGREL=0x1122,
1521    S_MANMANYREG2=0x1123,
1522    S_UNAMESPACE=0x1124,  // Using namespace
1523
1524    // ref symbols with name fields
1525    S_PROCREF=0x1125,  // Reference to a procedure
1526    S_DATAREF=0x1126,  // Reference to data
1527    S_LPROCREF=0x1127,  // Local Reference to a procedure
1528    S_ANNOTATIONREF=0x1128,  // Reference to an S_ANNOTATION symbol
1529    S_TOKENREF=0x1129,  // Reference to one of the many MANPROCSYM's
1530
1531    // continuation of managed symbols
1532    S_GMANPROC=0x112a,  // Global proc
1533    S_LMANPROC=0x112b,  // Local proc
1534
1535    // short, light-weight thunks
1536    S_TRAMPOLINE=0x112c,  // trampoline thunks
1537    S_MANCONSTANT=0x112d,  // constants with metadata type info
1538
1539    // native attributed local/parms
1540    S_ATTR_FRAMEREL=0x112e,  // relative to virtual frame ptr
1541    S_ATTR_REGISTER=0x112f,  // stored in a register
1542    S_ATTR_REGREL=0x1130,  // relative to register (alternate frame ptr)
1543    S_ATTR_MANYREG=0x1131,  // stored in >1 register
1544
1545    // Separated code (from the compiler) support
1546    S_SEPCODE=0x1132,
1547
1548    S_LOCAL=0x1133,  // defines a local symbol in optimized code
1549    S_DEFRANGE=0x1134,  // defines a single range of addresses in which symbol can be evaluated
1550    S_DEFRANGE2=0x1135,  // defines ranges of addresses in which symbol can be evaluated
1551
1552    S_SECTION=0x1136,  // A COFF section in a PE executable
1553    S_COFFGROUP=0x1137,  // A COFF group
1554    S_EXPORT=0x1138,  // A export
1555
1556    S_CALLSITEINFO=0x1139,  // Indirect call site information
1557    S_FRAMECOOKIE=0x113a,  // Security cookie information
1558
1559    S_DISCARDED=0x113b,  // Discarded by LINK /OPT:REF (experimental, see richards)
1560
1561    S_RECTYPE_MAX,              // one greater than last
1562    S_RECTYPE_LAST=S_RECTYPE_MAX - 1,
1563
1564  };
1565
1566  //  enum describing compile flag ambient data model
1567
1568  internal enum CV_CFL_DATA {
1569    CV_CFL_DNEAR=0x00,
1570    CV_CFL_DFAR=0x01,
1571    CV_CFL_DHUGE=0x02
1572  };
1573
1574  //  enum describing compile flag ambiant code model
1575
1576  internal enum CV_CFL_CODE {
1577    CV_CFL_CNEAR=0x00,
1578    CV_CFL_CFAR=0x01,
1579    CV_CFL_CHUGE=0x02
1580  };
1581
1582  //  enum describing compile flag target floating point package
1583
1584  internal enum CV_CFL_FPKG {
1585    CV_CFL_NDP=0x00,
1586    CV_CFL_EMU=0x01,
1587    CV_CFL_ALT=0x02
1588  };
1589
1590  // enum describing function return method
1591
1592  [Flags]
1593  internal enum CV_PROCFLAGS : byte {
1594    CV_PFLAG_NOFPO=0x01, // frame pointer present
1595    CV_PFLAG_INT=0x02, // interrupt return
1596    CV_PFLAG_FAR=0x04, // far return
1597    CV_PFLAG_NEVER=0x08, // function does not return
1598    CV_PFLAG_NOTREACHED=0x10, // label isn't fallen into
1599    CV_PFLAG_CUST_CALL=0x20, // custom calling convention
1600    CV_PFLAG_NOINLINE=0x40, // function marked as noinline
1601    CV_PFLAG_OPTDBGINFO=0x80, // function has debug information for optimized code
1602  };
1603
1604  // Extended proc flags
1605  //
1606  internal struct CV_EXPROCFLAGS {
1607    internal byte flags;      // (CV_PROCFLAGS)
1608    internal byte reserved;   // must be zero
1609  };
1610
1611  // local variable flags
1612  [Flags]
1613  internal enum CV_LVARFLAGS : ushort {
1614    fIsParam=0x0001,   // variable is a parameter
1615    fAddrTaken=0x0002,   // address is taken
1616    fCompGenx=0x0004,   // variable is compiler generated
1617    fIsAggregate=0x0008,   // the symbol is splitted in temporaries,
1618    // which are treated by compiler as
1619    // independent entities
1620    fIsAggregated=0x0010,   // Counterpart of fIsAggregate - tells
1621    // that it is a part of a fIsAggregate symbol
1622    fIsAliased=0x0020,   // variable has multiple simultaneous lifetimes
1623    fIsAlias=0x0040,   // represents one of the multiple simultaneous lifetimes
1624  };
1625
1626  // represents an address range, used for optimized code debug info
1627  internal struct CV_lvar_addr_range {       // defines a range of addresses
1628    internal uint offStart;
1629    internal ushort isectStart;
1630    internal uint cbRange;
1631  };
1632
1633  // enum describing function data return method
1634
1635  internal enum CV_GENERIC_STYLE {
1636    CV_GENERIC_VOID=0x00,   // void return type
1637    CV_GENERIC_REG=0x01,   // return data is in registers
1638    CV_GENERIC_ICAN=0x02,   // indirect caller allocated near
1639    CV_GENERIC_ICAF=0x03,   // indirect caller allocated far
1640    CV_GENERIC_IRAN=0x04,   // indirect returnee allocated near
1641    CV_GENERIC_IRAF=0x05,   // indirect returnee allocated far
1642    CV_GENERIC_UNUSED=0x06    // first unused
1643  };
1644
1645  [Flags]
1646  internal enum CV_GENERIC_FLAG : ushort {
1647    cstyle=0x0001,       // true push varargs right to left
1648    rsclean=0x0002,       // true if returnee stack cleanup
1649  };
1650
1651  // flag bitfields for separated code attributes
1652
1653  [Flags]
1654  internal enum CV_SEPCODEFLAGS : uint {
1655    fIsLexicalScope=0x00000001,   // S_SEPCODE doubles as lexical scope
1656    fReturnsToParent=0x00000002,   // code frag returns to parent
1657  };
1658
1659  // Generic layout for symbol records
1660
1661  internal struct SYMTYPE {
1662    internal ushort reclen;     // Record length
1663    internal ushort rectyp;     // Record type
1664    // byte        data[CV_ZEROLEN];
1665    //  SYMTYPE *NextSym (SYMTYPE * pSym) {
1666    //  return (SYMTYPE *) ((char *)pSym + pSym->reclen + sizeof(ushort));
1667    //  }
1668  };
1669
1670  //  non-model specific symbol types
1671
1672  internal struct RegSym {
1673    // internal ushort reclen;    // Record length [SYMTYPE]
1674    // internal ushort rectyp;    // S_REGISTER
1675    internal uint typind;     // (type index) Type index or Metadata token
1676    internal ushort reg;        // register enumerate
1677    internal string name;       // Length-prefixed name
1678  };
1679
1680  internal struct AttrRegSym {
1681    // internal ushort reclen;    // Record length [SYMTYPE]
1682    // internal ushort rectyp;    // S_MANREGISTER | S_ATTR_REGISTER
1683    internal uint typind;     // (type index) Type index or Metadata token
1684    internal uint offCod;     // first code address where var is live
1685    internal ushort segCod;
1686    internal ushort flags;      // (CV_LVARFLAGS)local var flags
1687    internal ushort reg;        // register enumerate
1688    internal string name;       // Length-prefixed name
1689  };
1690
1691  internal struct ManyRegSym {
1692    // internal ushort reclen;    // Record length [SYMTYPE]
1693    // internal ushort rectyp;    // S_MANYREG
1694    internal uint typind;     // (type index) Type index or metadata token
1695    internal byte count;      // count of number of registers
1696    internal byte[] reg;        // count register enumerates, most-sig first
1697    internal string name;       // length-prefixed name.
1698  };
1699
1700  internal struct ManyRegSym2 {
1701    // internal ushort reclen;    // Record length [SYMTYPE]
1702    // internal ushort rectyp;    // S_MANYREG2
1703    internal uint typind;     // (type index) Type index or metadata token
1704    internal ushort count;      // count of number of registers,
1705    internal ushort[] reg;        // count register enumerates, most-sig first
1706    internal string name;       // length-prefixed name.
1707  };
1708
1709  internal struct AttrManyRegSym {
1710    // internal ushort reclen;    // Record length [SYMTYPE]
1711    // internal ushort rectyp;    // S_MANMANYREG
1712    internal uint typind;     // (type index) Type index or metadata token
1713    internal uint offCod;     // first code address where var is live
1714    internal ushort segCod;
1715    internal ushort flags;      // (CV_LVARFLAGS)local var flags
1716    internal byte count;      // count of number of registers
1717    internal byte[] reg;        // count register enumerates, most-sig first
1718    internal string name;       // utf-8 encoded zero terminate name
1719  };
1720
1721  internal struct AttrManyRegSym2 {
1722    // internal ushort reclen;    // Record length [SYMTYPE]
1723    // internal ushort rectyp;    // S_MANMANYREG2 | S_ATTR_MANYREG
1724    internal uint typind;     // (type index) Type index or metadata token
1725    internal uint offCod;     // first code address where var is live
1726    internal ushort segCod;
1727    internal ushort flags;      // (CV_LVARFLAGS)local var flags
1728    internal ushort count;      // count of number of registers
1729    internal ushort[] reg;        // count register enumerates, most-sig first
1730    internal string name;       // utf-8 encoded zero terminate name
1731  };
1732
1733  internal struct ConstSym {
1734    // internal ushort reclen;    // Record length [SYMTYPE]
1735    // internal ushort rectyp;    // S_CONSTANT or S_MANCONSTANT
1736    internal uint typind;     // (type index) Type index (containing enum if enumerate) or metadata token
1737    internal ushort value;      // numeric leaf containing value
1738    internal string name;       // Length-prefixed name
1739  };
1740
1741  internal struct UdtSym {
1742    // internal ushort reclen;    // Record length [SYMTYPE]
1743    // internal ushort rectyp;    // S_UDT | S_COBOLUDT
1744    internal uint typind;     // (type index) Type index
1745    internal string name;       // Length-prefixed name
1746  };
1747
1748  internal struct ManyTypRef {
1749    // internal ushort reclen;    // Record length [SYMTYPE]
1750    // internal ushort rectyp;    // S_MANTYPREF
1751    internal uint typind;     // (type index) Type index
1752  };
1753
1754  internal struct SearchSym {
1755    // internal ushort reclen;    // Record length [SYMTYPE]
1756    // internal ushort rectyp;    // S_SSEARCH
1757    internal uint startsym;   // offset of the procedure
1758    internal ushort seg;        // segment of symbol
1759  };
1760
1761  [Flags]
1762  internal enum CFLAGSYM_FLAGS : ushort {
1763    pcode=0x0001,   // true if pcode present
1764    floatprec=0x0006,   // floating precision
1765    floatpkg=0x0018,   // float package
1766    ambdata=0x00e0,   // ambient data model
1767    ambcode=0x0700,   // ambient code model
1768    mode32=0x0800,   // true if compiled 32 bit mode
1769  };
1770
1771  internal struct CFlagSym {
1772    // internal ushort reclen;    // Record length [SYMTYPE]
1773    // internal ushort rectyp;    // S_COMPILE
1774    internal byte machine;    // target processor
1775    internal byte language;   // language index
1776    internal ushort flags;      // (CFLAGSYM_FLAGS)
1777    internal string ver;        // Length-prefixed compiler version string
1778  };
1779
1780  [Flags]
1781  internal enum COMPILESYM_FLAGS : uint {
1782    iLanguage=0x000000ff,   // language index
1783    fEC=0x00000100,   // compiled for E/C
1784    fNoDbgInfo=0x00000200,   // not compiled with debug info
1785    fLTCG=0x00000400,   // compiled with LTCG
1786    fNoDataAlign=0x00000800,   // compiled with -Bzalign
1787    fManagedPresent=0x00001000,   // managed code/data present
1788    fSecurityChecks=0x00002000,   // compiled with /GS
1789    fHotPatch=0x00004000,   // compiled with /hotpatch
1790    fCVTCIL=0x00008000,   // converted with CVTCIL
1791    fMSILModule=0x00010000,   // MSIL netmodule
1792  };
1793
1794  internal struct CompileSym {
1795    // internal ushort reclen;    // Record length [SYMTYPE]
1796    // internal ushort rectyp;    // S_COMPILE2
1797    internal uint flags;      // (COMPILESYM_FLAGS)
1798    internal ushort machine;    // target processor
1799    internal ushort verFEMajor; // front end major version #
1800    internal ushort verFEMinor; // front end minor version #
1801    internal ushort verFEBuild; // front end build version #
1802    internal ushort verMajor;   // back end major version #
1803    internal ushort verMinor;   // back end minor version #
1804    internal ushort verBuild;   // back end build version #
1805    internal string verSt;      // Length-prefixed compiler version string, followed
1806    internal string[] verArgs;    // block of zero terminated strings, ended by double-zero.
1807  };
1808
1809  internal struct ObjNameSym {
1810    // internal ushort reclen;    // Record length [SYMTYPE]
1811    // internal ushort rectyp;    // S_OBJNAME
1812    internal uint signature;  // signature
1813    internal string name;       // Length-prefixed name
1814  };
1815
1816  internal struct EndArgSym {
1817    // internal ushort reclen;    // Record length [SYMTYPE]
1818    // internal ushort rectyp;    // S_ENDARG
1819  };
1820
1821  internal struct ReturnSym {
1822    // internal ushort reclen;    // Record length [SYMTYPE]
1823    // internal ushort rectyp;    // S_RETURN
1824    internal CV_GENERIC_FLAG flags; // flags
1825    internal byte style;      // CV_GENERIC_STYLE return style
1826    // followed by return method data
1827  };
1828
1829  internal struct EntryThisSym {
1830    // internal ushort reclen;    // Record length [SYMTYPE]
1831    // internal ushort rectyp;    // S_ENTRYTHIS
1832    internal byte thissym;    // symbol describing this pointer on entry
1833  };
1834
1835  internal struct BpRelSym32 {
1836    // internal ushort reclen;    // Record length [SYMTYPE]
1837    // internal ushort rectyp;    // S_BPREL32
1838    internal int off;        // BP-relative offset
1839    internal uint typind;     // (type index) Type index or Metadata token
1840    internal string name;       // Length-prefixed name
1841  };
1842
1843  internal struct FrameRelSym {
1844    // internal ushort reclen;    // Record length [SYMTYPE]
1845    // internal ushort rectyp;    // S_MANFRAMEREL | S_ATTR_FRAMEREL
1846    internal int off;        // Frame relative offset
1847    internal uint typind;     // (type index) Type index or Metadata token
1848    internal uint offCod;     // first code address where var is live
1849    internal ushort segCod;
1850    internal ushort flags;      // (CV_LVARFLAGS)local var flags
1851    internal string name;       // Length-prefixed name
1852  };
1853
1854  internal struct SlotSym32 {
1855    // internal ushort reclen;    // Record length [SYMTYPE]
1856    // internal ushort rectyp;    // S_LOCALSLOT or S_PARAMSLOT
1857    internal uint index;      // slot index
1858    internal uint typind;     // (type index) Type index or Metadata token
1859    internal string name;       // Length-prefixed name
1860  };
1861
1862  internal struct AttrSlotSym {
1863    // internal ushort reclen;    // Record length [SYMTYPE]
1864    // internal ushort rectyp;    // S_MANSLOT
1865    internal uint index;      // slot index
1866    internal uint typind;     // (type index) Type index or Metadata token
1867    internal uint offCod;     // first code address where var is live
1868    internal ushort segCod;
1869    internal ushort flags;      // (CV_LVARFLAGS)local var flags
1870    internal string name;       // Length-prefixed name
1871
1872  };
1873
1874  internal struct AnnotationSym {
1875    // internal ushort reclen;    // Record length [SYMTYPE]
1876    // internal ushort rectyp;    // S_ANNOTATION
1877    internal uint off;
1878    internal ushort seg;
1879    internal ushort csz;        // Count of zero terminated annotation strings
1880    internal string[] rgsz;       // Sequence of zero terminated annotation strings
1881  };
1882
1883  internal struct DatasSym32 {
1884    // internal ushort reclen;    // Record length [SYMTYPE]
1885    // internal ushort rectyp;    // S_LDATA32, S_GDATA32 or S_PUB32, S_LMANDATA, S_GMANDATA
1886    internal uint typind;     // (type index) Type index, or Metadata token if a managed symbol
1887    internal uint off;
1888    internal ushort seg;
1889    internal string name;       // Length-prefixed name
1890  };
1891
1892  [Flags]
1893  internal enum CV_PUBSYMFLAGS : uint {
1894    fNone=0,
1895    fCode=0x00000001,     // set if internal symbol refers to a code address
1896    fFunction=0x00000002,     // set if internal symbol is a function
1897    fManaged=0x00000004,     // set if managed code (native or IL)
1898    fMSIL=0x00000008,     // set if managed IL code
1899  };
1900
1901  internal struct PubSym32 {
1902    // internal ushort reclen;    // Record length [SYMTYPE]
1903    // internal ushort rectyp;    // S_PUB32
1904    internal uint flags;      // (CV_PUBSYMFLAGS)
1905    internal uint off;
1906    internal ushort seg;
1907    internal string name;       // Length-prefixed name
1908  };
1909
1910  internal struct ProcSym32 {
1911    // internal ushort reclen;    // Record length [SYMTYPE]
1912    // internal ushort rectyp;    // S_GPROC32 or S_LPROC32
1913    internal uint parent;     // pointer to the parent
1914    internal uint end;        // pointer to this blocks end
1915    internal uint next;       // pointer to next symbol
1916    internal uint len;        // Proc length
1917    internal uint dbgStart;   // Debug start offset
1918    internal uint dbgEnd;     // Debug end offset
1919    internal uint typind;     // (type index) Type index
1920    internal uint off;
1921    internal ushort seg;
1922    internal byte flags;      // (CV_PROCFLAGS) Proc flags
1923    internal string name;       // Length-prefixed name
1924  };
1925
1926  internal struct ManProcSym {
1927    // internal ushort reclen;    // Record length [SYMTYPE]
1928    // internal ushort rectyp;    // S_GMANPROC, S_LMANPROC, S_GMANPROCIA64 or S_LMANPROCIA64
1929    internal uint parent;     // pointer to the parent
1930    internal uint end;        // pointer to this blocks end
1931    internal uint next;       // pointer to next symbol
1932    internal uint len;        // Proc length
1933    internal uint dbgStart;   // Debug start offset
1934    internal uint dbgEnd;     // Debug end offset
1935    internal uint token;      // COM+ metadata token for method
1936    internal uint off;
1937    internal ushort seg;
1938    internal byte flags;      // (CV_PROCFLAGS) Proc flags
1939    internal ushort retReg;     // Register return value is in (may not be used for all archs)
1940    internal string name;       // optional name field
1941  };
1942
1943  internal struct ManProcSymMips {
1944    // internal ushort reclen;    // Record length [SYMTYPE]
1945    // internal ushort rectyp;    // S_GMANPROCMIPS or S_LMANPROCMIPS
1946    internal uint parent;     // pointer to the parent
1947    internal uint end;        // pointer to this blocks end
1948    internal uint next;       // pointer to next symbol
1949    internal uint len;        // Proc length
1950    internal uint dbgStart;   // Debug start offset
1951    internal uint dbgEnd;     // Debug end offset
1952    internal uint regSave;    // int register save mask
1953    internal uint fpSave;     // fp register save mask
1954    internal uint intOff;     // int register save offset
1955    internal uint fpOff;      // fp register save offset
1956    internal uint token;      // COM+ token type
1957    internal uint off;
1958    internal ushort seg;
1959    internal byte retReg;     // Register return value is in
1960    internal byte frameReg;   // Frame pointer register
1961    internal string name;       // optional name field
1962  };
1963
1964  internal struct ThunkSym32 {
1965    // internal ushort reclen;    // Record length [SYMTYPE]
1966    // internal ushort rectyp;    // S_THUNK32
1967    internal uint parent;     // pointer to the parent
1968    internal uint end;        // pointer to this blocks end
1969    internal uint next;       // pointer to next symbol
1970    internal uint off;
1971    internal ushort seg;
1972    internal ushort len;        // length of thunk
1973    internal byte ord;        // THUNK_ORDINAL specifying type of thunk
1974    internal string name;       // Length-prefixed name
1975    internal byte[] variant;    // variant portion of thunk
1976  };
1977
1978  internal enum TRAMP {             // Trampoline subtype
1979    trampIncremental,           // incremental thunks
1980    trampBranchIsland,          // Branch island thunks
1981  };
1982
1983  internal struct TrampolineSym {   // Trampoline thunk symbol
1984    // internal ushort reclen;    // Record length [SYMTYPE]
1985    // internal ushort rectyp;    // S_TRAMPOLINE
1986    internal ushort trampType;  // trampoline sym subtype
1987    internal ushort cbThunk;    // size of the thunk
1988    internal uint offThunk;   // offset of the thunk
1989    internal uint offTarget;  // offset of the target of the thunk
1990    internal ushort sectThunk;  // section index of the thunk
1991    internal ushort sectTarget; // section index of the target of the thunk
1992  };
1993
1994  internal struct LabelSym32 {
1995    // internal ushort reclen;    // Record length [SYMTYPE]
1996    // internal ushort rectyp;    // S_LABEL32
1997    internal uint off;
1998    internal ushort seg;
1999    internal byte flags;      // (CV_PROCFLAGS) flags
2000    internal string name;       // Length-prefixed name
2001  };
2002
2003  internal struct BlockSym32 {
2004    // internal ushort reclen;    // Record length [SYMTYPE]
2005    // internal ushort rectyp;    // S_BLOCK32
2006    internal uint parent;     // pointer to the parent
2007    internal uint end;        // pointer to this blocks end
2008    internal uint len;        // Block length
2009    internal uint off;        // Offset in code segment
2010    internal ushort seg;        // segment of label
2011    internal string name;       // Length-prefixed name
2012  };
2013
2014  internal struct WithSym32 {
2015    // internal ushort reclen;    // Record length [SYMTYPE]
2016    // internal ushort rectyp;    // S_WITH32
2017    internal uint parent;     // pointer to the parent
2018    internal uint end;        // pointer to this blocks end
2019    internal uint len;        // Block length
2020    internal uint off;        // Offset in code segment
2021    internal ushort seg;        // segment of label
2022    internal string expr;       // Length-prefixed expression string
2023  };
2024
2025  internal struct VpathSym32 {
2026    // internal ushort reclen;    // record length
2027    // internal ushort rectyp;    // S_VFTABLE32
2028    internal uint root;       // (type index) type index of the root of path
2029    internal uint path;       // (type index) type index of the path record
2030    internal uint off;        // offset of virtual function table
2031    internal ushort seg;        // segment of virtual function table
2032  };
2033
2034  internal struct RegRel32 {
2035    // internal ushort reclen;    // Record length [SYMTYPE]
2036    // internal ushort rectyp;    // S_REGREL32
2037    internal uint off;        // offset of symbol
2038    internal uint typind;     // (type index) Type index or metadata token
2039    internal ushort reg;        // register index for symbol
2040    internal string name;       // Length-prefixed name
2041  };
2042
2043  internal struct AttrRegRel {
2044    // internal ushort reclen;    // Record length [SYMTYPE]
2045    // internal ushort rectyp;    // S_MANREGREL | S_ATTR_REGREL
2046    internal uint off;        // offset of symbol
2047    internal uint typind;     // (type index) Type index or metadata token
2048    internal ushort reg;        // register index for symbol
2049    internal uint offCod;     // first code address where var is live
2050    internal ushort segCod;
2051    internal ushort flags;      // (CV_LVARFLAGS)local var flags
2052    internal string name;       // Length-prefixed name
2053  };
2054
2055  internal struct ThreadSym32 {
2056    // internal ushort reclen;    // record length
2057    // internal ushort rectyp;    // S_LTHREAD32 | S_GTHREAD32
2058    internal uint typind;     // (type index) type index
2059    internal uint off;        // offset into thread storage
2060    internal ushort seg;        // segment of thread storage
2061    internal string name;       // length prefixed name
2062  };
2063
2064  internal struct Slink32 {
2065    // internal ushort reclen;    // record length
2066    // internal ushort rectyp;    // S_SLINK32
2067    internal uint framesize;  // frame size of parent procedure
2068    internal int off;        // signed offset where the static link was saved relative to the value of reg
2069    internal ushort reg;
2070  };
2071
2072  internal struct ProcSymMips {
2073    // internal ushort reclen;    // Record length [SYMTYPE]
2074    // internal ushort rectyp;    // S_GPROCMIPS or S_LPROCMIPS
2075    internal uint parent;     // pointer to the parent
2076    internal uint end;        // pointer to this blocks end
2077    internal uint next;       // pointer to next symbol
2078    internal uint len;        // Proc length
2079    internal uint dbgStart;   // Debug start offset
2080    internal uint dbgEnd;     // Debug end offset
2081    internal uint regSave;    // int register save mask
2082    internal uint fpSave;     // fp register save mask
2083    internal uint intOff;     // int register save offset
2084    internal uint fpOff;      // fp register save offset
2085    internal uint typind;     // (type index) Type index
2086    internal uint off;        // Symbol offset
2087    internal ushort seg;        // Symbol segment
2088    internal byte retReg;     // Register return value is in
2089    internal byte frameReg;   // Frame pointer register
2090    internal string name;       // Length-prefixed name
2091  };
2092
2093  internal struct ProcSymIa64 {
2094    // internal ushort reclen;    // Record length [SYMTYPE]
2095    // internal ushort rectyp;    // S_GPROCIA64 or S_LPROCIA64
2096    internal uint parent;     // pointer to the parent
2097    internal uint end;        // pointer to this blocks end
2098    internal uint next;       // pointer to next symbol
2099    internal uint len;        // Proc length
2100    internal uint dbgStart;   // Debug start offset
2101    internal uint dbgEnd;     // Debug end offset
2102    internal uint typind;     // (type index) Type index
2103    internal uint off;        // Symbol offset
2104    internal ushort seg;        // Symbol segment
2105    internal ushort retReg;     // Register return value is in
2106    internal byte flags;      // (CV_PROCFLAGS) Proc flags
2107    internal string name;       // Length-prefixed name
2108  };
2109
2110  internal struct RefSym {
2111    // internal ushort reclen;    // Record length [SYMTYPE]
2112    // internal ushort rectyp;    // S_PROCREF_ST, S_DATAREF_ST, or S_LPROCREF_ST
2113    internal uint sumName;    // SUC of the name
2114    internal uint ibSym;      // Offset of actual symbol in $$Symbols
2115    internal ushort imod;       // Module containing the actual symbol
2116    internal ushort usFill;     // align this record
2117  };
2118
2119  internal struct RefSym2 {
2120    // internal ushort reclen;    // Record length [SYMTYPE]
2121    // internal ushort rectyp;    // S_PROCREF, S_DATAREF, or S_LPROCREF
2122    internal uint sumName;    // SUC of the name
2123    internal uint ibSym;      // Offset of actual symbol in $$Symbols
2124    internal ushort imod;       // Module containing the actual symbol
2125    internal string name;       // hidden name made a first class member
2126  };
2127
2128  internal struct AlignSym {
2129    // internal ushort reclen;    // Record length [SYMTYPE]
2130    // internal ushort rectyp;    // S_ALIGN
2131  };
2132
2133  internal struct OemSymbol {
2134    // internal ushort reclen;    // Record length [SYMTYPE]
2135    // internal ushort rectyp;    // S_OEM
2136    internal Guid idOem;      // an oem ID (GUID)
2137    internal uint typind;     // (type index) Type index
2138    internal byte[] rgl;        // user data, force 4-byte alignment
2139  };
2140
2141  [Flags]
2142  internal enum FRAMEPROCSYM_FLAGS : uint {
2143    fHasAlloca=0x00000001,   // function uses _alloca()
2144    fHasSetJmp=0x00000002,   // function uses setjmp()
2145    fHasLongJmp=0x00000004,   // function uses longjmp()
2146    fHasInlAsm=0x00000008,   // function uses inline asm
2147    fHasEH=0x00000010,   // function has EH states
2148    fInlSpec=0x00000020,   // function was speced as inline
2149    fHasSEH=0x00000040,   // function has SEH
2150    fNaked=0x00000080,   // function is __declspec(naked)
2151    fSecurityChecks=0x00000100,   // function has buffer security check introduced by /GS.
2152    fAsyncEH=0x00000200,   // function compiled with /EHa
2153    fGSNoStackOrdering=0x00000400,   // function has /GS buffer checks, but stack ordering couldn't be done
2154    fWasInlined=0x00000800,   // function was inlined within another function
2155  };
2156
2157  internal struct FrameProcSym {
2158    // internal ushort reclen;    // Record length [SYMTYPE]
2159    // internal ushort rectyp;    // S_FRAMEPROC
2160    internal uint cbFrame;    // count of bytes of total frame of procedure
2161    internal uint cbPad;      // count of bytes of padding in the frame
2162    internal uint offPad;     // offset (rel to frame) to where padding starts
2163    internal uint cbSaveRegs; // count of bytes of callee save registers
2164    internal uint offExHdlr;  // offset of exception handler
2165    internal ushort secExHdlr;  // section id of exception handler
2166    internal uint flags;      // (FRAMEPROCSYM_FLAGS)
2167  }
2168
2169  internal struct UnamespaceSym {
2170    // internal ushort reclen;    // Record length [SYMTYPE]
2171    // internal ushort rectyp;    // S_UNAMESPACE
2172    internal string name;       // name
2173  };
2174
2175  internal struct SepCodSym {
2176    // internal ushort reclen;    // Record length [SYMTYPE]
2177    // internal ushort rectyp;    // S_SEPCODE
2178    internal uint parent;     // pointer to the parent
2179    internal uint end;        // pointer to this block's end
2180    internal uint length;     // count of bytes of this block
2181    internal uint scf;        // (CV_SEPCODEFLAGS) flags
2182    internal uint off;        // sec:off of the separated code
2183    internal uint offParent;  // secParent:offParent of the enclosing scope
2184    internal ushort sec;        //  (proc, block, or sepcode)
2185    internal ushort secParent;
2186  };
2187
2188  internal struct LocalSym {
2189    // internal ushort reclen;    // Record length [SYMTYPE]
2190    // internal ushort rectyp;    // S_LOCAL
2191    internal uint id;         // id of the local
2192    internal uint typind;     // (type index) type index
2193    internal ushort flags;      // (CV_LVARFLAGS) local var flags
2194    internal uint idParent;   // This is is parent variable - fIsAggregated or fIsAlias
2195    internal uint offParent;  // Offset in parent variable - fIsAggregated
2196
2197    internal uint expr;       // NI of expression that this temp holds
2198    internal uint pad0;       // pad, must be zero
2199    internal uint pad1;       // pad, must be zero
2200
2201    internal string name;       // Name of this symbol.
2202  }
2203
2204  internal struct DefRangeSym {
2205    // internal ushort reclen;    // Record length [SYMTYPE]
2206    // internal ushort rectyp;    // S_DEFRANGE
2207
2208    internal uint id;         // ID of the local symbol for which this formula holds
2209    internal uint program;    // program to evaluate the value of the symbol
2210
2211    internal CV_lvar_addr_range range;   // Range of addresses where this program is valid
2212  };
2213
2214  internal struct DefRangeSym2 {
2215    // internal ushort reclen;    // Record length [SYMTYPE]
2216    // internal ushort rectyp;    // S_DEFRANGE2
2217
2218    internal uint id;         // ID of the local symbol for which this formula holds
2219    internal uint program;    // program to evaluate the value of the symbol
2220
2221    internal ushort count;      // count of CV_lvar_addr_range records following
2222    internal CV_lvar_addr_range[] range;// Range of addresses where this program is valid
2223  };
2224
2225  internal struct SectionSym {
2226    // internal ushort reclen     // Record length
2227    // internal ushort rectyp;    // S_SECTION
2228
2229    internal ushort isec;       // Section number
2230    internal byte align;      // Alignment of this section (power of 2)
2231    internal byte bReserved;  // Reserved.  Must be zero.
2232    internal uint rva;
2233    internal uint cb;
2234    internal uint characteristics;
2235    internal string name;       // name
2236  };
2237
2238  internal struct CoffGroupSym {
2239    // internal ushort reclen;    // Record length [SYMTYPE]
2240    // internal ushort rectyp;    // S_COFFGROUP
2241
2242    internal uint cb;
2243    internal uint characteristics;
2244    internal uint off;        // Symbol offset
2245    internal ushort seg;        // Symbol segment
2246    internal string name;       // name
2247  };
2248
2249  [Flags]
2250  internal enum EXPORTSYM_FLAGS : ushort {
2251    fConstant=0x0001,   // CONSTANT
2252    fData=0x0002,   // DATA
2253    fPrivate=0x0004,   // PRIVATE
2254    fNoName=0x0008,   // NONAME
2255    fOrdinal=0x0010,   // Ordinal was explicitly assigned
2256    fForwarder=0x0020,   // This is a forwarder
2257  }
2258
2259  internal struct ExportSym {
2260    // internal ushort reclen;    // Record length [SYMTYPE]
2261    // internal ushort rectyp;    // S_EXPORT
2262
2263    internal ushort ordinal;
2264    internal ushort flags;      // (EXPORTSYM_FLAGS)
2265    internal string name;       // name of
2266  };
2267
2268  //
2269  // Symbol for describing indirect calls when they are using
2270  // a function pointer cast on some other type or temporary.
2271  // Typical content will be an LF_POINTER to an LF_PROCEDURE
2272  // type record that should mimic an actual variable with the
2273  // function pointer type in question.
2274  //
2275  // Since the compiler can sometimes tail-merge a function call
2276  // through a function pointer, there may be more than one
2277  // S_CALLSITEINFO record at an address.  This is similar to what
2278  // you could do in your own code by:
2279  //
2280  //  if (expr)
2281  //  pfn = &function1;
2282  //  else
2283  //  pfn = &function2;
2284  //
2285  //  (*pfn)(arg list);
2286  //
2287
2288  internal struct CallsiteInfo {
2289    // internal ushort reclen;    // Record length [SYMTYPE]
2290    // internal ushort rectyp;    // S_CALLSITEINFO
2291    internal int off;        // offset of call site
2292    internal ushort ect;        // section index of call site
2293    internal ushort pad0;       // alignment padding field, must be zero
2294    internal uint typind;     // (type index) type index describing function signature
2295  };
2296
2297  // Frame cookie information
2298
2299  internal enum CV_cookietype {
2300    CV_COOKIETYPE_COPY=0,
2301    CV_COOKIETYPE_XOR_SP,
2302    CV_COOKIETYPE_XOR_BP,
2303    CV_COOKIETYPE_XOR_R13,
2304  };
2305
2306  // Symbol for describing security cookie's position and type
2307  // (raw, xor'd with esp, xor'd with ebp).
2308
2309  internal struct FrameCookie {
2310    // internal ushort reclen;    // Record length [SYMTYPE]
2311    // internal ushort rectyp;    // S_FRAMECOOKIE
2312    internal int off;        // Frame relative offset
2313    internal ushort reg;        // Register index
2314    internal int cookietype; // (CV_cookietype) Type of the cookie
2315    internal byte flags;      // Flags describing this cookie
2316  };
2317
2318  internal enum CV_DISCARDED : uint {
2319    CV_DISCARDED_UNKNOWN=0,
2320    CV_DISCARDED_NOT_SELECTED=1,
2321    CV_DISCARDED_NOT_REFERENCED=2,
2322  };
2323
2324  internal struct DiscardedSym {
2325    // internal ushort reclen;    // Record length [SYMTYPE]
2326    // internal ushort rectyp;    // S_DISCARDED
2327    internal CV_DISCARDED iscarded;
2328    internal uint fileid;     // First FILEID if line number info present
2329    internal uint linenum;    // First line number
2330    internal byte[] data;       // Original record(s) with invalid indices
2331  };
2332
2333  //
2334  // V7 line number data types
2335  //
2336
2337  internal enum DEBUG_S_SUBSECTION_TYPE : uint {
2338    DEBUG_S_IGNORE=0x80000000,   // if this bit is set in a subsection type then ignore the subsection contents
2339
2340    DEBUG_S_SYMBOLS=0xf1,
2341    DEBUG_S_LINES=0xf2,
2342    DEBUG_S_STRINGTABLE=0xf3,
2343    DEBUG_S_FILECHKSMS=0xf4,
2344    DEBUG_S_FRAMEDATA=0xf5,
2345  };
2346
2347  //
2348  // Line flags (data present)
2349  //
2350  internal enum CV_LINE_SUBSECTION_FLAGS : ushort {
2351    CV_LINES_HAVE_COLUMNS=0x0001,
2352  }
2353
2354  internal struct CV_LineSection {
2355    internal uint off;
2356    internal ushort sec;
2357    internal ushort flags;
2358    internal uint cod;
2359  }
2360
2361  internal struct CV_SourceFile {
2362    internal uint index;          // Index to file in checksum section.
2363    internal uint count;          // Number of CV_Line records.
2364    internal uint linsiz;         // Size of CV_Line recods.
2365  }
2366
2367  [Flags]
2368  internal enum CV_Line_Flags : uint {
2369    linenumStart=0x00ffffff,   // line where statement/expression starts
2370    deltaLineEnd=0x7f000000,   // delta to line where statement ends (optional)
2371    fStatement=0x80000000,   // true if a statement linenumber, else an expression line num
2372  };
2373
2374  internal struct CV_Line {
2375    internal uint offset;         // Offset to start of code bytes for line number
2376    internal uint flags;          // (CV_Line_Flags)
2377  };
2378
2379  internal struct CV_Column {
2380    internal ushort offColumnStart;
2381    internal ushort offColumnEnd;
2382  };
2383
2384  //  File information
2385
2386  internal enum CV_FILE_CHECKSUM_TYPE : byte {
2387    None=0,
2388    MD5=1,
2389  };
2390
2391  internal struct CV_FileCheckSum {
2392    internal uint name;           // Index of name in name table.
2393    internal byte len;            // Hash length
2394    internal byte type;           // Hash type
2395  }
2396
2397  [Flags]
2398  internal enum FRAMEDATA_FLAGS : uint {
2399    fHasSEH=0x00000001,
2400    fHasEH=0x00000002,
2401    fIsFunctionStart=0x00000004,
2402  };
2403
2404  internal struct FrameData {
2405    internal uint ulRvaStart;
2406    internal uint cbBlock;
2407    internal uint cbLocals;
2408    internal uint cbParams;
2409    internal uint cbStkMax;
2410    internal uint frameFunc;
2411    internal ushort cbProlog;
2412    internal ushort cbSavedRegs;
2413    internal uint flags;          // (FRAMEDATA_FLAGS)
2414  };
2415
2416  internal struct XFixupData {
2417    internal ushort wType;
2418    internal ushort wExtra;
2419    internal uint rva;
2420    internal uint rvaTarget;
2421  };
2422
2423  internal enum DEBUG_S_SUBSECTION {
2424    SYMBOLS=0xF1,
2425    LINES=0xF2,
2426    STRINGTABLE=0xF3,
2427    FILECHKSMS=0xF4,
2428    FRAMEDATA=0xF5,
2429  }
2430}
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