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|
/*
* CodeView debugging format - type information
*
* Copyright (C) 2006-2007 Peter Johnson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of other contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <util.h>
#include <libyasm.h>
#include "cv-dbgfmt.h"
enum cv_reservedtype {
/* Bitfields representation - type */
CV_TYPE_SPECIAL = 0x00<<4, /* Special */
CV_TYPE_SIGNED = 0x01<<4, /* Signed integral value */
CV_TYPE_UNSIGNED = 0x02<<4, /* Unsigned integral value */
CV_TYPE_BOOLEAN = 0x03<<4, /* Boolean */
CV_TYPE_REAL = 0x04<<4, /* Real */
CV_TYPE_COMPLEX = 0x05<<4, /* Complex */
CV_TYPE_SPECIAL2 = 0x06<<4, /* Special2 */
CV_TYPE_REALINT = 0x07<<4, /* Really int value */
/* "size" of CV_TYPE_SPECIAL */
CV_SPECIAL_NOTYPE = 0x00<<0, /* No type */
CV_SPECIAL_ABS = 0x01<<0, /* Absolute symbol */
CV_SPECIAL_SEG = 0x02<<0, /* Segment */
CV_SPECIAL_VOID = 0x03<<0, /* Void */
CV_SPECIAL_CURRENCY = 0x04<<0, /* Basic 8-byte currency value */
CV_SPECIAL_NEARBSTR = 0x05<<0, /* Near Basic string */
CV_SPECIAL_FARBSTR = 0x06<<0, /* Far Basic string */
/* Size of CV_TYPE_SIGNED, CV_TYPE_UNSIGNED, and CV_TYPE_BOOLEAN */
CV_INTEGER_1BYTE = 0x00<<0, /* 1 byte */
CV_INTEGER_2BYTE = 0x01<<0, /* 2 byte */
CV_INTEGER_4BYTE = 0x02<<0, /* 4 byte */
CV_INTEGER_8BYTE = 0x03<<0, /* 8 byte */
/* Size of CV_TYPE_REAL and CV_TYPE_COMPLEX */
CV_REAL_32BIT = 0x00<<0, /* 32 bit */
CV_REAL_64BIT = 0x01<<0, /* 64 bit */
CV_REAL_80BIT = 0x02<<0, /* 80 bit */
CV_REAL_128BIT = 0x03<<0, /* 128 bit */
CV_REAL_48BIT = 0x04<<0, /* 48 bit */
/* "size" of CV_TYPE_SPECIAL2 */
CV_SPECIAL2_BIT = 0x00<<0, /* Bit */
CV_SPECIAL2_PASCHAR = 0x01<<0, /* Pascal CHAR */
/* Size of CV_TYPE_REALINT */
CV_REALINT_CHAR = 0x00<<0, /* Char */
CV_REALINT_WCHAR = 0x01<<0, /* Wide character */
CV_REALINT_S2BYTE = 0x02<<0, /* 2-byte signed integer */
CV_REALINT_U2BYTE = 0x03<<0, /* 2-byte unsigned integer */
CV_REALINT_S4BYTE = 0x04<<0, /* 4-byte signed integer */
CV_REALINT_U4BYTE = 0x05<<0, /* 4-byte unsigned integer */
CV_REALINT_S8BYTE = 0x06<<0, /* 8-byte signed integer */
CV_REALINT_U8BYTE = 0x07<<0, /* 8-byte unsigned integer */
/* Mode */
CV_MODE_DIRECT = 0x00<<8, /* Direct; not a pointer */
CV_MODE_NEAR = 0x01<<8, /* Near pointer */
CV_MODE_FAR = 0x02<<8, /* Far pointer */
CV_MODE_HUGE = 0x03<<8, /* Huge pointer */
CV_MODE_NEAR32 = 0x04<<8, /* 32-bit near pointer */
CV_MODE_FAR32 = 0x05<<8, /* 32-bit far pointer */
CV_MODE_NEAR64 = 0x06<<8, /* 64-bit near pointer */
/* Pure primitive type listing - based on above bitfields */
/* Special Types */
CV_T_NOTYPE = 0x0000, /* Uncharacterized type (no type) */
CV_T_ABS = 0x0001, /* Absolute symbol */
CV_T_SEGMENT = 0x0002, /* Segment type */
CV_T_VOID = 0x0003, /* Void */
CV_T_PVOID = 0x0103, /* Near pointer to void */
CV_T_PFVOID = 0x0203, /* Far pointer to void */
CV_T_PHVOID = 0x0303, /* Huge pointer to void */
CV_T_32PVOID = 0x0403, /* 32-bit near pointer to void */
CV_T_32PFVOID = 0x0503, /* 32-bit far pointer to void */
CV_T_CURRENCY = 0x0004, /* Basic 8-byte currency value */
CV_T_NBASICSTR = 0x0005, /* Near Basic string */
CV_T_FBASICSTR = 0x0006, /* Far Basic string */
CV_T_BIT = 0x0060, /* Bit */
CV_T_PASCHAR = 0x0061, /* Pascal CHAR */
/* Character Types */
CV_T_CHAR = 0x0010, /* 8-bit signed */
CV_T_UCHAR = 0x0020, /* 8-bit unsigned */
CV_T_PCHAR = 0x0110, /* Near pointer to 8-bit signed */
CV_T_PUCHAR = 0x0120, /* Near pointer to 8-bit unsigned */
CV_T_PFCHAR = 0x0210, /* Far pointer to 8-bit signed */
CV_T_PFUCHAR = 0x0220, /* Far pointer to 8-bit unsigned */
CV_T_PHCHAR = 0x0310, /* Huge pointer to 8-bit signed */
CV_T_PHUCHAR = 0x0320, /* Huge pointer to 8-bit unsigned */
CV_T_32PCHAR = 0x0410, /* 16:32 near pointer to 8-bit signed */
CV_T_32PUCHAR = 0x0420, /* 16:32 near pointer to 8-bit unsigned */
CV_T_32PFCHAR = 0x0510, /* 16:32 far pointer to 8-bit signed */
CV_T_32PFUCHAR = 0x0520, /* 16:32 far pointer to 8-bit unsigned */
/* Real Character Types */
CV_T_RCHAR = 0x0070, /* Real char */
CV_T_PRCHAR = 0x0170, /* Near pointer to a real char */
CV_T_PFRCHAR = 0x0270, /* Far pointer to a real char */
CV_T_PHRCHAR = 0x0370, /* Huge pointer to a real char */
CV_T_32PRCHAR = 0x0470, /* 16:32 near pointer to a real char */
CV_T_32PFRCHAR = 0x0570, /* 16:32 far pointer to a real char */
/* Wide Character Types */
CV_T_WCHAR = 0x0071, /* Wide char */
CV_T_PWCHAR = 0x0171, /* Near pointer to a wide char */
CV_T_PFWCHAR = 0x0271, /* Far pointer to a wide char */
CV_T_PHWCHAR = 0x0371, /* Huge pointer to a wide char */
CV_T_32PWCHAR = 0x0471, /* 16:32 near pointer to a wide char */
CV_T_32PFWCHAR = 0x0571, /* 16:32 far pointer to a wide char */
/* Real 16-bit Integer Types */
CV_T_INT2 = 0x0072, /* Real 16-bit signed int */
CV_T_UINT2 = 0x0073, /* Real 16-bit unsigned int */
CV_T_PINT2 = 0x0172, /* Near pointer to 16-bit signed int */
CV_T_PUINT2 = 0x0173, /* Near pointer to 16-bit unsigned int */
CV_T_PFINT2 = 0x0272, /* Far pointer to 16-bit signed int */
CV_T_PFUINT2 = 0x0273, /* Far pointer to 16-bit unsigned int */
CV_T_PHINT2 = 0x0372, /* Huge pointer to 16-bit signed int */
CV_T_PHUINT2 = 0x0373, /* Huge pointer to 16-bit unsigned int */
CV_T_32PINT2 = 0x0472, /* 16:32 near pointer to 16-bit signed int */
CV_T_32PUINT2 = 0x0473, /* 16:32 near pointer to 16-bit unsigned int */
CV_T_32PFINT2 = 0x0572, /* 16:32 far pointer to 16-bit signed int */
CV_T_32PFUINT2 = 0x0573, /* 16:32 far pointer to 16-bit unsigned int */
/* 16-bit Short Types */
CV_T_SHORT = 0x0011, /* 16-bit signed */
CV_T_USHORT = 0x0021, /* 16-bit unsigned */
CV_T_PSHORT = 0x0111, /* Near pointer to 16-bit signed */
CV_T_PUSHORT = 0x0121, /* Near pointer to 16-bit unsigned */
CV_T_PFSHORT = 0x0211, /* Far pointer to 16-bit signed */
CV_T_PFUSHORT = 0x0221, /* Far pointer to 16-bit unsigned */
CV_T_PHSHORT = 0x0311, /* Huge pointer to 16-bit signed */
CV_T_PHUSHORT = 0x0321, /* Huge pointer to 16-bit unsigned */
CV_T_32PSHORT = 0x0411, /* 16:32 near pointer to 16-bit signed */
CV_T_32PUSHORT = 0x0421, /* 16:32 near pointer to 16-bit unsigned */
CV_T_32PFSHORT = 0x0511, /* 16:32 far pointer to 16-bit signed */
CV_T_32PFUSHORT = 0x0521, /* 16:32 far pointer to 16-bit unsigned */
/* Real 32-bit Integer Types */
CV_T_INT4 = 0x0074, /* Real 32-bit signed int */
CV_T_UINT4 = 0x0075, /* Real 32-bit unsigned int */
CV_T_PINT4 = 0x0174, /* Near pointer to 32-bit signed int */
CV_T_PUINT4 = 0x0175, /* Near pointer to 32-bit unsigned int */
CV_T_PFINT4 = 0x0274, /* Far pointer to 32-bit signed int */
CV_T_PFUINT4 = 0x0275, /* Far pointer to 32-bit unsigned int */
CV_T_PHINT4 = 0x0374, /* Huge pointer to 32-bit signed int */
CV_T_PHUINT4 = 0x0375, /* Huge pointer to 32-bit unsigned int */
CV_T_32PINT4 = 0x0474, /* 16:32 near pointer to 32-bit signed int */
CV_T_32PUINT4 = 0x0475, /* 16:32 near pointer to 32-bit unsigned int */
CV_T_32PFINT4 = 0x0574, /* 16:32 far pointer to 32-bit signed int */
CV_T_32PFUINT4 = 0x0575, /* 16:32 far pointer to 32-bit unsigned int */
/* 32-bit Long Types */
CV_T_LONG = 0x0012, /* 32-bit signed */
CV_T_ULONG = 0x0022, /* 32-bit unsigned */
CV_T_PLONG = 0x0112, /* Near pointer to 32-bit signed */
CV_T_PULONG = 0x0122, /* Near pointer to 32-bit unsigned */
CV_T_PFLONG = 0x0212, /* Far pointer to 32-bit signed */
CV_T_PFULONG = 0x0222, /* Far pointer to 32-bit unsigned */
CV_T_PHLONG = 0x0312, /* Huge pointer to 32-bit signed */
CV_T_PHULONG = 0x0322, /* Huge pointer to 32-bit unsigned */
CV_T_32PLONG = 0x0412, /* 16:32 near pointer to 32-bit signed */
CV_T_32PULONG = 0x0422, /* 16:32 near pointer to 32-bit unsigned */
CV_T_32PFLONG = 0x0512, /* 16:32 far pointer to 32-bit signed */
CV_T_32PFULONG = 0x0522, /* 16:32 far pointer to 32-bit unsigned */
/* Real 64-bit int Types */
CV_T_INT8 = 0x0076, /* 64-bit signed int */
CV_T_UINT8 = 0x0077, /* 64-bit unsigned int */
CV_T_PINT8 = 0x0176, /* Near pointer to 64-bit signed int */
CV_T_PUINT8 = 0x0177, /* Near pointer to 64-bit unsigned int */
CV_T_PFINT8 = 0x0276, /* Far pointer to 64-bit signed int */
CV_T_PFUINT8 = 0x0277, /* Far pointer to 64-bit unsigned int */
CV_T_PHINT8 = 0x0376, /* Huge pointer to 64-bit signed int */
CV_T_PHUINT8 = 0x0377, /* Huge pointer to 64-bit unsigned int */
CV_T_32PINT8 = 0x0476, /* 16:32 near pointer to 64-bit signed int */
CV_T_32PUINT8 = 0x0477, /* 16:32 near pointer to 64-bit unsigned int */
CV_T_32PFINT8 = 0x0576, /* 16:32 far pointer to 64-bit signed int */
CV_T_32PFUINT8 = 0x0577, /* 16:32 far pointer to 64-bit unsigned int */
/* 64-bit Integral Types */
CV_T_QUAD = 0x0013, /* 64-bit signed */
CV_T_UQUAD = 0x0023, /* 64-bit unsigned */
CV_T_PQUAD = 0x0113, /* Near pointer to 64-bit signed */
CV_T_PUQUAD = 0x0123, /* Near pointer to 64-bit unsigned */
CV_T_PFQUAD = 0x0213, /* Far pointer to 64-bit signed */
CV_T_PFUQUAD = 0x0223, /* Far pointer to 64-bit unsigned */
CV_T_PHQUAD = 0x0313, /* Huge pointer to 64-bit signed */
CV_T_PHUQUAD = 0x0323, /* Huge pointer to 64-bit unsigned */
CV_T_32PQUAD = 0x0413, /* 16:32 near pointer to 64-bit signed */
CV_T_32PUQUAD = 0x0423, /* 16:32 near pointer to 64-bit unsigned */
CV_T_32PFQUAD = 0x0513, /* 16:32 far pointer to 64-bit signed */
CV_T_32PFUQUAD = 0x0523, /* 16:32 far pointer to 64-bit unsigned */
/* 32-bit Real Types */
CV_T_REAL32 = 0x0040, /* 32-bit real */
CV_T_PREAL32 = 0x0140, /* Near pointer to 32-bit real */
CV_T_PFREAL32 = 0x0240, /* Far pointer to 32-bit real */
CV_T_PHREAL32 = 0x0340, /* Huge pointer to 32-bit real */
CV_T_32PREAL32 = 0x0440, /* 16:32 near pointer to 32-bit real */
CV_T_32PFREAL32 = 0x0540, /* 16:32 far pointer to 32-bit real */
/* 48-bit Real Types */
CV_T_REAL48 = 0x0044, /* 48-bit real */
CV_T_PREAL48 = 0x0144, /* Near pointer to 48-bit real */
CV_T_PFREAL48 = 0x0244, /* Far pointer to 48-bit real */
CV_T_PHREAL48 = 0x0344, /* Huge pointer to 48-bit real */
CV_T_32PREAL48 = 0x0444, /* 16:32 near pointer to 48-bit real */
CV_T_32PFREAL48 = 0x0544, /* 16:32 far pointer to 48-bit real */
/* 64-bit Real Types */
CV_T_REAL64 = 0x0041, /* 64-bit real */
CV_T_PREAL64 = 0x0141, /* Near pointer to 64-bit real */
CV_T_PFREAL64 = 0x0241, /* Far pointer to 64-bit real */
CV_T_PHREAL64 = 0x0341, /* Huge pointer to 64-bit real */
CV_T_32PREAL64 = 0x0441, /* 16:32 near pointer to 64-bit real */
CV_T_32PFREAL64 = 0x0541, /* 16:32 far pointer to 64-bit real */
/* 80-bit Real Types */
CV_T_REAL80 = 0x0042, /* 80-bit real */
CV_T_PREAL80 = 0x0142, /* Near pointer to 80-bit real */
CV_T_PFREAL80 = 0x0242, /* Far pointer to 80-bit real */
CV_T_PHREAL80 = 0x0342, /* Huge pointer to 80-bit real */
CV_T_32PREAL80 = 0x0442, /* 16:32 near pointer to 80-bit real */
CV_T_32PFREAL80 = 0x0542, /* 16:32 far pointer to 80-bit real */
/* 128-bit Real Types */
CV_T_REAL128 = 0x0043, /* 128-bit real */
CV_T_PREAL128 = 0x0143, /* Near pointer to 128-bit real */
CV_T_PFREAL128 = 0x0243, /* Far pointer to 128-bit real */
CV_T_PHREAL128 = 0x0343, /* Huge pointer to 128-bit real */
CV_T_32PREAL128 = 0x0443, /* 16:32 near pointer to 128-bit real */
CV_T_32PFREAL128 = 0x0543, /* 16:32 far pointer to 128-bit real */
/* 32-bit Complex Types */
CV_T_CPLX32 = 0x0050, /* 32-bit complex */
CV_T_PCPLX32 = 0x0150, /* Near pointer to 32-bit complex */
CV_T_PFCPLX32 = 0x0250, /* Far pointer to 32-bit complex */
CV_T_PHCPLX32 = 0x0350, /* Huge pointer to 32-bit complex */
CV_T_32PCPLX32 = 0x0450, /* 16:32 near pointer to 32-bit complex */
CV_T_32PFCPLX32 = 0x0550, /* 16:32 far pointer to 32-bit complex */
/* 64-bit Complex Types */
CV_T_CPLX64 = 0x0051, /* 64-bit complex */
CV_T_PCPLX64 = 0x0151, /* Near pointer to 64-bit complex */
CV_T_PFCPLX64 = 0x0251, /* Far pointer to 64-bit complex */
CV_T_PHCPLX64 = 0x0351, /* Huge pointer to 64-bit complex */
CV_T_32PCPLX64 = 0x0451, /* 16:32 near pointer to 64-bit complex */
CV_T_32PFCPLX64 = 0x0551, /* 16:32 far pointer to 64-bit complex */
/* 80-bit Complex Types */
CV_T_CPLX80 = 0x0052, /* 80-bit complex */
CV_T_PCPLX80 = 0x0152, /* Near pointer to 80-bit complex */
CV_T_PFCPLX80 = 0x0252, /* Far pointer to 80-bit complex */
CV_T_PHCPLX80 = 0x0352, /* Huge pointer to 80-bit complex */
CV_T_32PCPLX80 = 0x0452, /* 16:32 near pointer to 80-bit complex */
CV_T_32PFCPLX80 = 0x0552, /* 16:32 far pointer to 80-bit complex */
/* 128-bit Complex Types */
CV_T_CPLX128 = 0x0053, /* 128-bit complex */
CV_T_PCPLX128 = 0x0153, /* Near pointer to 128-bit complex */
CV_T_PFCPLX128 = 0x0253, /* Far pointer to 128-bit complex */
CV_T_PHCPLX128 = 0x0353, /* Huge pointer to 128-bit real */
CV_T_32PCPLX128 = 0x0453, /* 16:32 near pointer to 128-bit complex */
CV_T_32PFCPLX128 = 0x0553, /* 16:32 far pointer to 128-bit complex */
/* Boolean Types */
CV_T_BOOL08 = 0x0030, /* 8-bit Boolean */
CV_T_BOOL16 = 0x0031, /* 16-bit Boolean */
CV_T_BOOL32 = 0x0032, /* 32-bit Boolean */
CV_T_BOOL64 = 0x0033, /* 64-bit Boolean */
CV_T_PBOOL08 = 0x0130, /* Near pointer to 8-bit Boolean */
CV_T_PBOOL16 = 0x0131, /* Near pointer to 16-bit Boolean */
CV_T_PBOOL32 = 0x0132, /* Near pointer to 32-bit Boolean */
CV_T_PBOOL64 = 0x0133, /* Near pointer to 64-bit Boolean */
CV_T_PFBOOL08 = 0x0230, /* Far pointer to 8-bit Boolean */
CV_T_PFBOOL16 = 0x0231, /* Far pointer to 16-bit Boolean */
CV_T_PFBOOL32 = 0x0232, /* Far pointer to 32-bit Boolean */
CV_T_PFBOOL64 = 0x0233, /* Far pointer to 64-bit Boolean */
CV_T_PHBOOL08 = 0x0330, /* Huge pointer to 8-bit Boolean */
CV_T_PHBOOL16 = 0x0331, /* Huge pointer to 16-bit Boolean */
CV_T_PHBOOL32 = 0x0332, /* Huge pointer to 32-bit Boolean */
CV_T_PHBOOL64 = 0x0333, /* Huge pointer to 64-bit Boolean */
CV_T_32PBOOL08 = 0x0430, /* 16:32 near pointer to 8-bit Boolean */
CV_T_32PBOOL16 = 0x0431, /* 16:32 near pointer to 16-bit Boolean */
CV_T_32PBOOL32 = 0x0432, /* 16:32 near pointer to 32-bit Boolean */
CV_T_32PBOOL64 = 0x0433, /* 16:32 near pointer to 64-bit Boolean */
CV_T_32PFBOOL08 = 0x0530, /* 16:32 far pointer to 8-bit Boolean */
CV_T_32PFBOOL16 = 0x0531, /* 16:32 far pointer to 16-bit Boolean */
CV_T_32PFBOOL32 = 0x0532, /* 16:32 far pointer to 32-bit Boolean */
CV_T_32PFBOOL64 = 0x0533, /* 16:32 far pointer to 64-bit Boolean */
/* Non-primitive types are stored in the TYPES section (generated in
* cv-type.c) and start at this index (e.g. 0x1000 is the first type
* in TYPES, 0x1001 the second, etc.
*/
CV_FIRST_NONPRIM = 0x1000
};
enum cv_leaftype {
/* Leaf indices for type records that can be referenced from symbols */
CV4_LF_MODIFIER = 0x0001, /* Type Modifier */
CV4_LF_POINTER = 0x0002, /* Pointer */
CV4_LF_ARRAY = 0x0003, /* Simple Array */
CV4_LF_CLASS = 0x0004, /* Classes */
CV4_LF_STRUCTURE = 0x0005, /* Structures */
CV4_LF_UNION = 0x0006, /* Unions */
CV4_LF_ENUM = 0x0007, /* Enumeration */
CV4_LF_PROCEDURE = 0x0008, /* Procedure */
CV4_LF_MFUNCTION = 0x0009, /* Member Function */
CV4_LF_VTSHAPE = 0x000a, /* Virtual Function Table Shape */
CV4_LF_BARRAY = 0x000d, /* Basic Array */
CV4_LF_LABEL = 0x000e, /* Label */
CV4_LF_NULL = 0x000f, /* Null */
CV4_LF_DIMARRAY = 0x0011, /* Multiply Dimensioned Array */
CV4_LF_VFTPATH = 0x0012, /* Path to Virtual Function Table */
CV4_LF_PRECOMP = 0x0013, /* Reference Precompiled Types */
CV4_LF_ENDPRECOMP = 0x0014, /* End of Precompiled Types */
/* CodeView 5.0 version */
CV5_LF_MODIFIER = 0x1001, /* Type Modifier */
CV5_LF_POINTER = 0x1002, /* Pointer */
CV5_LF_ARRAY = 0x1003, /* Simple Array */
CV5_LF_CLASS = 0x1004, /* Classes */
CV5_LF_STRUCTURE = 0x1005, /* Structures */
CV5_LF_UNION = 0x1006, /* Unions */
CV5_LF_ENUM = 0x1007, /* Enumeration */
CV5_LF_PROCEDURE = 0x1008, /* Procedure */
CV5_LF_MFUNCTION = 0x1009, /* Member Function */
CV5_LF_VTSHAPE = 0x000a, /* Virtual Function Table Shape */
CV5_LF_BARRAY = 0x100d, /* Basic Array */
CV5_LF_LABEL = 0x000e, /* Label */
CV5_LF_NULL = 0x000f, /* Null */
CV5_LF_DIMARRAY = 0x100c, /* Multiply Dimensioned Array */
CV5_LF_VFTPATH = 0x100d, /* Path to Virtual Function Table */
CV5_LF_PRECOMP = 0x100e, /* Reference Precompiled Types */
CV5_LF_ENDPRECOMP = 0x0014, /* End of Precompiled Types */
CV5_LF_TYPESERVER = 0x0016, /* Reference Typeserver */
/* Leaf indices for type records that can be referenced from other type
* records
*/
CV4_LF_SKIP = 0x0200, /* Skip */
CV4_LF_ARGLIST = 0x0201, /* Argument List */
CV4_LF_DEFARG = 0x0202, /* Default Argument */
CV4_LF_LIST = 0x0203, /* Arbitrary List */
CV4_LF_FIELDLIST = 0x0204, /* Field List */
CV4_LF_DERIVED = 0x0205, /* Derived Classes */
CV4_LF_BITFIELD = 0x0206, /* Bit Fields */
CV4_LF_METHODLIST = 0x0207, /* Method List */
CV4_LF_DIMCONU = 0x0208, /* Dimensioned Array with Constant Upper Bound */
CV4_LF_DIMCONLU = 0x0209, /* Dimensioned Array with Constant Lower and Upper Bounds */
CV4_LF_DIMVARU = 0x020a, /* Dimensioned Array with Variable Upper Bound */
CV4_LF_DIMVARLU = 0x020b, /* Dimensioned Array with Variable Lower and Upper Bounds */
CV4_LF_REFSYM = 0x020c, /* Referenced Symbol */
/* CodeView 5.0 version */
CV5_LF_SKIP = 0x1200, /* Skip */
CV5_LF_ARGLIST = 0x1201, /* Argument List */
CV5_LF_DEFARG = 0x1202, /* Default Argument */
CV5_LF_FIELDLIST = 0x1203, /* Field List */
CV5_LF_DERIVED = 0x1204, /* Derived Classes */
CV5_LF_BITFIELD = 0x1205, /* Bit Fields */
CV5_LF_METHODLIST = 0x1206, /* Method List */
CV5_LF_DIMCONU = 0x1207, /* Dimensioned Array with Constant Upper Bound */
CV5_LF_DIMCONLU = 0x1208, /* Dimensioned Array with Constant Lower and Upper Bounds */
CV5_LF_DIMVARU = 0x1209, /* Dimensioned Array with Variable Upper Bound */
CV5_LF_DIMVARLU = 0x120a, /* Dimensioned Array with Variable Lower and Upper Bounds */
CV5_LF_REFSYM = 0x020c, /* Referenced Symbol */
/* Leaf indices for fields of complex lists */
CV4_LF_BCLASS = 0x0400, /* Real Base Class */
CV4_LF_VBCLASS = 0x0401, /* Direct Virtual Base Class */
CV4_LF_IVBCLASS = 0x0402, /* Indirect Virtual Base Class */
CV4_LF_ENUMERATE = 0x0403, /* Enumeration Name and Value */
CV4_LF_FRIENDFCN = 0x0404, /* Friend Function */
CV4_LF_INDEX = 0x0405, /* Index To Another Type Record */
CV4_LF_MEMBER = 0x0406, /* Data Member */
CV4_LF_STMEMBER = 0x0407, /* Static Data Member */
CV4_LF_METHOD = 0x0408, /* Method */
CV4_LF_NESTTYPE = 0x0409, /* Nested Type Definition */
CV4_LF_VFUNCTAB = 0x040a, /* Virtual Function Table Pointer */
CV4_LF_FRIENDCLS = 0x040b, /* Friend Class */
CV4_LF_ONEMETHOD = 0x040c, /* One Method */
CV4_LF_VFUNCOFF = 0x040d, /* Virtual Function Offset */
/* CodeView 5.0 version */
CV5_LF_BCLASS = 0x1400, /* Real Base Class */
CV5_LF_VBCLASS = 0x1401, /* Direct Virtual Base Class */
CV5_LF_IVBCLASS = 0x1402, /* Indirect Virtual Base Class */
CV5_LF_ENUMERATE = 0x0403, /* Enumeration Name and Value */
CV5_LF_FRIENDFCN = 0x1403, /* Friend Function */
CV5_LF_INDEX = 0x1404, /* Index To Another Type Record */
CV5_LF_MEMBER = 0x1405, /* Data Member */
CV5_LF_STMEMBER = 0x1406, /* Static Data Member */
CV5_LF_METHOD = 0x1407, /* Method */
CV5_LF_NESTTYPE = 0x1408, /* Nested Type Definition */
CV5_LF_VFUNCTAB = 0x1409, /* Virtual Function Table Pointer */
CV5_LF_FRIENDCLS = 0x140a, /* Friend Class */
CV5_LF_ONEMETHOD = 0x140b, /* One Method */
CV5_LF_VFUNCOFF = 0x140c, /* Virtual Function Offset */
CV5_LF_NESTTYPEEX = 0x140d, /* Nested Type Extended Definition */
CV5_LF_MEMBERMODIFY = 0x140e, /* Member Modification */
/* XXX: CodeView 5.0 spec also lists 0x040f as LF_MEMBERMODIFY? */
/* Leaf indices for numeric fields of symbols and type records */
CV_LF_NUMERIC = 0x8000,
CV_LF_CHAR = 0x8000, /* Signed Char (8-bit) */
CV_LF_SHORT = 0x8001, /* Signed Short (16-bit) */
CV_LF_USHORT = 0x8002, /* Unsigned Short (16-bit) */
CV_LF_LONG = 0x8003, /* Signed Long (32-bit) */
CV_LF_ULONG = 0x8004, /* Unsigned Long (32-bit) */
CV_LF_REAL32 = 0x8005, /* 32-bit Float */
CV_LF_REAL64 = 0x8006, /* 64-bit Float */
CV_LF_REAL80 = 0x8007, /* 80-bit Float */
CV_LF_REAL128 = 0x8008, /* 128-bit Float */
CV_LF_QUADWORD = 0x8009, /* Signed Quad Word (64-bit) */
CV_LF_UQUADWORD = 0x800a, /* Unsigned Quad Word (64-bit) */
CV_LF_REAL48 = 0x800b, /* 48-bit Float */
CV_LF_COMPLEX32 = 0x800c, /* 32-bit Complex */
CV_LF_COMPLEX64 = 0x800d, /* 64-bit Complex */
CV_LF_COMPLEX80 = 0x800e, /* 80-bit Complex */
CV_LF_COMPLEX128 = 0x800f, /* 128-bit Complex */
CV_LF_VARSTRING = 0x8010, /* Variable-length String */
/* Leaf padding bytes */
CV_LF_PAD0 = 0xf0,
CV_LF_PAD1 = 0xf1,
CV_LF_PAD2 = 0xf2,
CV_LF_PAD3 = 0xf3,
CV_LF_PAD4 = 0xf4,
CV_LF_PAD5 = 0xf5,
CV_LF_PAD6 = 0xf6,
CV_LF_PAD7 = 0xf7,
CV_LF_PAD8 = 0xf8,
CV_LF_PAD9 = 0xf9,
CV_LF_PAD10 = 0xfa,
CV_LF_PAD11 = 0xfb,
CV_LF_PAD12 = 0xfc,
CV_LF_PAD13 = 0xfc,
CV_LF_PAD14 = 0xfe,
CV_LF_PAD15 = 0xff
};
/* Leaves use a bit of meta-programming to encode formats: each character
* of format represents the output generated, as follows:
* 'b' : 1 byte value (integer)
* 'h' : 2 byte value (integer)
* 'w' : 4 byte value (integer)
* 'L' : subleaf, recurses into cv_leaf (pointer)
* 'T' : 4 byte type index, pulls cv_type.index from cv_type (pointer)
* 'S' : length-prefixed string (pointer)
*/
typedef struct cv_leaf {
enum cv_leaftype type;
const char *format; /* format of args */
union {
unsigned long i;
void *p;
} args[6];
} cv_leaf;
typedef struct cv_type {
unsigned long indx; /* type # (must be same as output order) */
size_t num_leaves;
/*@null@*/ /*@only@*/ cv_leaf **leaves;
} cv_type;
/* Bytecode callback function prototypes */
static void cv_type_bc_destroy(void *contents);
static void cv_type_bc_print(const void *contents, FILE *f, int indent_level);
static int cv_type_bc_calc_len
(yasm_bytecode *bc, yasm_bc_add_span_func add_span, void *add_span_data);
static int cv_type_bc_tobytes
(yasm_bytecode *bc, unsigned char **bufp, unsigned char *bufstart, void *d,
yasm_output_value_func output_value,
/*@null@*/ yasm_output_reloc_func output_reloc);
/* Bytecode callback structures */
static const yasm_bytecode_callback cv_type_bc_callback = {
cv_type_bc_destroy,
cv_type_bc_print,
yasm_bc_finalize_common,
NULL,
cv_type_bc_calc_len,
yasm_bc_expand_common,
cv_type_bc_tobytes,
0
};
static cv_type *cv_type_create(unsigned long indx);
static void cv_type_append_leaf(cv_type *type, /*@keep@*/ cv_leaf *leaf);
static cv_leaf *
cv_leaf_create_label(int is_far)
{
cv_leaf *leaf = yasm_xmalloc(sizeof(cv_leaf));
leaf->type = CV5_LF_LABEL;
leaf->format = "h";
leaf->args[0].i = is_far ? 4 : 0;
return leaf;
}
yasm_section *
yasm_cv__generate_type(yasm_object *object)
{
int new;
unsigned long indx = CV_FIRST_NONPRIM;
yasm_section *debug_type;
yasm_bytecode *bc;
cv_type *type;
debug_type =
yasm_object_get_general(object, ".debug$T", 1, 0, 0, &new, 0);
/* Add label type */
type = cv_type_create(indx++);
cv_type_append_leaf(type, cv_leaf_create_label(0));
bc = yasm_bc_create_common(&cv_type_bc_callback, type, 0);
yasm_bc_finalize(bc, yasm_cv__append_bc(debug_type, bc));
yasm_bc_calc_len(bc, NULL, NULL);
return debug_type;
}
static void
cv_leaf_destroy(cv_leaf *leaf)
{
const char *ch = leaf->format;
int arg = 0;
while (*ch) {
switch (*ch) {
case 'b':
case 'h':
case 'w':
arg++;
break; /* nothing to destroy */
case 'L':
cv_leaf_destroy((cv_leaf *)leaf->args[arg++].p);
break;
case 'T':
arg++; /* nothing to destroy */
break;
case 'S':
yasm_xfree(leaf->args[arg++].p);
break;
default:
yasm_internal_error(N_("unknown leaf format character"));
}
ch++;
}
}
static unsigned long
cv_leaf_size(const cv_leaf *leaf)
{
const char *ch = leaf->format;
unsigned long len = 2; /* leaf type */
unsigned long slen;
int arg = 0;
while (*ch) {
switch (*ch) {
case 'b':
len++;
arg++;
break;
case 'h':
len += 2;
arg++;
break;
case 'w':
len += 4;
arg++;
break;
case 'L':
len += cv_leaf_size((const cv_leaf *)leaf->args[arg++].p);
break;
case 'T':
len += 4; /* XXX: will be 2 in CV4 */
arg++;
break;
case 'S':
len += 1; /* XXX: is this 1 or 2? */
slen = (unsigned long)strlen((const char *)leaf->args[arg++].p);
len += slen <= 0xff ? slen : 0xff;
break;
default:
yasm_internal_error(N_("unknown leaf format character"));
}
ch++;
}
return len;
}
static void
cv_leaf_tobytes(const cv_leaf *leaf, yasm_bytecode *bc, yasm_arch *arch,
unsigned char **bufp, yasm_intnum *cval)
{
unsigned char *buf = *bufp;
const char *ch = leaf->format;
size_t len;
int arg = 0;
/* leaf type */
yasm_intnum_set_uint(cval, leaf->type);
yasm_arch_intnum_tobytes(arch, cval, buf, 2, 16, 0, bc, 0);
buf += 2;
while (*ch) {
switch (*ch) {
case 'b':
YASM_WRITE_8(buf, leaf->args[arg].i);
arg++;
break;
case 'h':
yasm_intnum_set_uint(cval, leaf->args[arg++].i);
yasm_arch_intnum_tobytes(arch, cval, buf, 2, 16, 0, bc, 0);
buf += 2;
break;
case 'w':
yasm_intnum_set_uint(cval, leaf->args[arg++].i);
yasm_arch_intnum_tobytes(arch, cval, buf, 4, 32, 0, bc, 0);
buf += 4;
break;
case 'L':
cv_leaf_tobytes((const cv_leaf *)leaf->args[arg++].p, bc, arch,
&buf, cval);
break;
case 'T':
yasm_intnum_set_uint(cval,
((const cv_type *)leaf->args[arg++].p)->indx);
yasm_arch_intnum_tobytes(arch, cval, buf, 4, 32, 0, bc, 0);
buf += 4; /* XXX: will be 2 in CV4 */
break;
case 'S':
len = strlen((const char *)leaf->args[arg].p);
len = len <= 0xff ? len : 0xff;
YASM_WRITE_8(buf, len);
memcpy(buf, (const char *)leaf->args[arg].p, len);
buf += len;
arg++;
break;
default:
yasm_internal_error(N_("unknown leaf format character"));
}
ch++;
}
*bufp = buf;
}
static cv_type *
cv_type_create(unsigned long indx)
{
cv_type *type = yasm_xmalloc(sizeof(cv_type));
type->indx = indx;
type->num_leaves = 0;
type->leaves = NULL;
return type;
}
static void
cv_type_append_leaf(cv_type *type, /*@keep@*/ cv_leaf *leaf)
{
type->num_leaves++;
/* This is inefficient for large numbers of leaves, but that won't happen
* until we add structure support.
*/
type->leaves = yasm_xrealloc(type->leaves,
type->num_leaves*sizeof(cv_leaf *));
type->leaves[type->num_leaves-1] = leaf;
}
static void
cv_type_bc_destroy(void *contents)
{
cv_type *type = (cv_type *)contents;
size_t i;
for (i=0; i<type->num_leaves; i++)
cv_leaf_destroy(type->leaves[i]);
if (type->leaves)
yasm_xfree(type->leaves);
yasm_xfree(contents);
}
static void
cv_type_bc_print(const void *contents, FILE *f, int indent_level)
{
/* TODO */
}
static int
cv_type_bc_calc_len(yasm_bytecode *bc, yasm_bc_add_span_func add_span,
void *add_span_data)
{
cv_type *type = (cv_type *)bc->contents;
size_t i;
if (type->indx == CV_FIRST_NONPRIM)
bc->len = 4+2;
else
bc->len = 2;
for (i=0; i<type->num_leaves; i++)
bc->len += cv_leaf_size(type->leaves[i]);
/* Pad to multiple of 4 */
if (bc->len & 0x3)
bc->len += 4-(bc->len & 0x3);
return 0;
}
static int
cv_type_bc_tobytes(yasm_bytecode *bc, unsigned char **bufp,
unsigned char *bufstart, void *d,
yasm_output_value_func output_value,
yasm_output_reloc_func output_reloc)
{
yasm_object *object = yasm_section_get_object(bc->section);
cv_type *type = (cv_type *)bc->contents;
unsigned char *buf = *bufp;
yasm_intnum *cval;
size_t i;
unsigned long reclen = bc->len - 2;
cval = yasm_intnum_create_uint(4); /* version */
if (type->indx == CV_FIRST_NONPRIM) {
yasm_arch_intnum_tobytes(object->arch, cval, buf, 4, 32, 0, bc, 1);
buf += 4;
reclen -= 4;
}
/* Total length of record (following this field) - 2 bytes */
yasm_intnum_set_uint(cval, reclen);
yasm_arch_intnum_tobytes(object->arch, cval, buf, 2, 16, 0, bc, 1);
buf += 2;
/* Leaves */
for (i=0; i<type->num_leaves; i++)
cv_leaf_tobytes(type->leaves[i], bc, object->arch, &buf, cval);
/* Pad to multiple of 4 */
switch ((buf-(*bufp)) & 0x3) {
case 3:
YASM_WRITE_8(buf, CV_LF_PAD3);
case 2:
YASM_WRITE_8(buf, CV_LF_PAD2);
case 1:
YASM_WRITE_8(buf, CV_LF_PAD1);
case 0:
break;
}
*bufp = buf;
yasm_intnum_destroy(cval);
return 0;
}
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