sym.h

window下的c编译器。

/*
Type Representation
The Type field of a symbol table entry contains two bytes,
each byte representing type information.
The least-significant byte represents simple (base) data 
type, and the most-significant byte represents complex type, if any:
MSB			LSB
Complex type: none,	Base type: integer, floating-point, etc.
pointer, function, array	

The following values are defined for base type, although 
Microsoft tools generally do not use this field, setting 
the least-significant byte to 0. Instead, CodeView 
information is used to indicate types. The
possible COFF values are :
Constant	Value	
	Description
*/
#define IMAGE_SYM_TYPE_NULL	0
	/* No type information, or unknown base type. 
	Microsoft tools use this setting. */
#define IMAGE_SYM_TYPE_VOID	1
	/* No valid type; used with void pointers 
	and functions. */
#define IMAGE_SYM_TYPE_CHAR	2
	/* Character (signed byte). */
#define IMAGE_SYM_TYPE_SHORT	3
	/* Two-byte signed integer. */
#define IMAGE_SYM_TYPE_INT	4
	/* Natural integer type (normally four bytes in NT). */
#define IMAGE_SYM_TYPE_LONG	5
	/* Four-byte signed integer. */
#define IMAGE_SYM_TYPE_FLOAT	6
	/* Four-byte floating-point number. */
#define IMAGE_SYM_TYPE_DOUBLE	7
	/* Eight-byte floating-point number. */
#define IMAGE_SYM_TYPE_STRUCT	8
	/* Structure. */
#define IMAGE_SYM_TYPE_UNION	9
	/* Union. */
#define IMAGE_SYM_TYPE_ENUM	10
	/* Enumerated type. */
#define IMAGE_SYM_TYPE_MOE	11
	/* Member of enumeration (a specific value). */
#define IMAGE_SYM_TYPE_BYTE	12
	/* Byte; unsigned one-byte integer. */
#define IMAGE_SYM_TYPE_WORD	13
	/* Word; unsigned two-byte integer. */
#define IMAGE_SYM_TYPE_UINT	14
	/* Unsigned integer of natural size (normally, four bytes). */
#define IMAGE_SYM_TYPE_DWORD	15
	/* Unsigned four-byte integer. */
/*
The  most significant byte specifies whether the symbol 
is a pointer to, function returning, or array of the base 
type specified in the least significant byte. Microsoft tools 
use this field only to indicate whether or not the symbol is 
a function, so that the only two resulting values are 0x0 
and 0x20 for the Type field. However, other tools can use 
this field to communicate more information.

Constant	Value	Description
*/
#define IMAGE_SYM_DTYPE_NULL	0
	/* No derived type; the symbol is a simple scalar variable. */
#define IMAGE_SYM_DTYPE_POINTER	1
	/* Pointer to base type. */
#define IMAGE_SYM_DTYPE_FUNCTION	2
	/* Function returning base type. */
#define IMAGE_SYM_DTYPE_ARRAY	3	
	/* Array of base type. */