source: trunk/libs/newlib/src/include/coff/symconst.h @ 615

/* Declarations of constants for internal format of MIPS ECOFF symbols.
   Originally contributed by MIPS Computer Systems and Third Eye Software.
   Changes contributed by Cygnus Support are in the public domain.

   This file is just aggregated with the files that make up the GNU
   release; it is not considered part of GAS, GDB, or other GNU
   programs.  */

/*
 * |-----------------------------------------------------------|
 * | Copyright (c) 1992, 1991, 1990 MIPS Computer Systems, Inc.|
 * | MIPS Computer Systems, Inc. grants reproduction and use   |
 * | rights to all parties, PROVIDED that this comment is      |
 * | maintained in the copy.                                   |
 * |-----------------------------------------------------------|
 */

/* (C) Copyright 1984 by Third Eye Software, Inc.
 *
 * Third Eye Software, Inc. grants reproduction and use rights to
 * all parties, PROVIDED that this comment is maintained in the copy.
 *
 * Third Eye makes no claims about the applicability of this
 * symbol table to a particular use.
 */

/* glevels for field in FDR */
#define GLEVEL_0        2
#define GLEVEL_1        1
#define GLEVEL_2        0       /* for upward compat reasons. */
#define GLEVEL_3        3

/* magic number fo symheader */
#define magicSym        0x7009
/* The Alpha uses this value instead, for some reason.  */
#define magicSym2       0x1992

/* Language codes */
#define langC           0       
#define langPascal      1
#define langFortran     2
#define langAssembler   3       /* one Assembley inst might map to many mach */
#define langMachine     4
#define langNil         5
#define langAda         6
#define langPl1         7
#define langCobol       8
#define langStdc        9       /* FIXME: Collides with SGI langCplusplus */
#define langCplusplus   9       /* FIXME: Collides with langStdc */
#define langCplusplusV2 10      /* SGI addition */
#define langMax         11      /* maximum allowed 32 -- 5 bits */

/* The following are value definitions for the fields in the SYMR */

/*
 * Storage Classes
 */

#define scNil           0
#define scText          1       /* text symbol */
#define scData          2       /* initialized data symbol */
#define scBss           3       /* un-initialized data symbol */
#define scRegister      4       /* value of symbol is register number */
#define scAbs           5       /* value of symbol is absolute */
#define scUndefined     6       /* who knows? */
#define scCdbLocal      7       /* variable's value is IN se->va.?? */
#define scBits          8       /* this is a bit field */
#define scCdbSystem     9       /* variable's value is IN CDB's address space */
#define scDbx           9       /* overlap dbx internal use */
#define scRegImage      10      /* register value saved on stack */
#define scInfo          11      /* symbol contains debugger information */
#define scUserStruct    12      /* address in struct user for current process */
#define scSData         13      /* load time only small data */
#define scSBss          14      /* load time only small common */
#define scRData         15      /* load time only read only data */
#define scVar           16      /* Var parameter (fortran,pascal) */
#define scCommon        17      /* common variable */
#define scSCommon       18      /* small common */
#define scVarRegister   19      /* Var parameter in a register */
#define scVariant       20      /* Variant record */
#define scSUndefined    21      /* small undefined(external) data */
#define scInit          22      /* .init section symbol */
#define scBasedVar      23      /* Fortran or PL/1 ptr based var */ 
#define scXData         24      /* exception handling data */
#define scPData         25      /* Procedure section */
#define scFini          26      /* .fini section */
#define scRConst        27      /* .rconst section */
#define scMax           32


/*
 *   Symbol Types
 */

#define stNil           0       /* Nuthin' special */
#define stGlobal        1       /* external symbol */
#define stStatic        2       /* static */
#define stParam         3       /* procedure argument */
#define stLocal         4       /* local variable */
#define stLabel         5       /* label */
#define stProc          6       /*     "      "  Procedure */
#define stBlock         7       /* beginnning of block */
#define stEnd           8       /* end (of anything) */
#define stMember        9       /* member (of anything  - struct/union/enum */
#define stTypedef       10      /* type definition */
#define stFile          11      /* file name */
#define stRegReloc      12      /* register relocation */
#define stForward       13      /* forwarding address */
#define stStaticProc    14      /* load time only static procs */
#define stConstant      15      /* const */
#define stStaParam      16      /* Fortran static parameters */
    /* These new symbol types have been recently added to SGI machines. */
#define stStruct        26      /* Beginning of block defining a struct type */
#define stUnion         27      /* Beginning of block defining a union type */
#define stEnum          28      /* Beginning of block defining an enum type */
#define stIndirect      34      /* Indirect type specification */
    /* Pseudo-symbols - internal to debugger */
#define stStr           60      /* string */
#define stNumber        61      /* pure number (ie. 4 NOR 2+2) */
#define stExpr          62      /* 2+2 vs. 4 */
#define stType          63      /* post-coersion SER */
#define stMax           64

/* definitions for fields in TIR */

/* type qualifiers for ti.tq0 -> ti.(itqMax-1) */
#define tqNil   0       /* bt is what you see */
#define tqPtr   1       /* pointer */
#define tqProc  2       /* procedure */
#define tqArray 3       /* duh */
#define tqFar   4       /* longer addressing - 8086/8 land */
#define tqVol   5       /* volatile */
#define tqConst 6       /* const */
#define tqMax   8

/* basic types as seen in ti.bt */
#define btNil           0       /* undefined (also, enum members) */
#define btAdr           1       /* address - integer same size as pointer */
#define btChar          2       /* character */
#define btUChar         3       /* unsigned character */
#define btShort         4       /* short */
#define btUShort        5       /* unsigned short */
#define btInt           6       /* int */
#define btUInt          7       /* unsigned int */
#define btLong          8       /* long */
#define btULong         9       /* unsigned long */
#define btFloat         10      /* float (real) */
#define btDouble        11      /* Double (real) */
#define btStruct        12      /* Structure (Record) */
#define btUnion         13      /* Union (variant) */
#define btEnum          14      /* Enumerated */
#define btTypedef       15      /* defined via a typedef, isymRef points */
#define btRange         16      /* subrange of int */
#define btSet           17      /* pascal sets */
#define btComplex       18      /* fortran complex */
#define btDComplex      19      /* fortran double complex */
#define btIndirect      20      /* forward or unnamed typedef */
#define btFixedDec      21      /* Fixed Decimal */
#define btFloatDec      22      /* Float Decimal */
#define btString        23      /* Varying Length Character String */
#define btBit           24      /* Aligned Bit String */
#define btPicture       25      /* Picture */
#define btVoid          26      /* void */
#define btLongLong      27      /* long long */
#define btULongLong     28      /* unsigned long long */
#define btLong64        30      /* long (64-bit) */
#define btULong64       31      /* unsigned long (64-bit) */
#define btLongLong64    32      /* long long (64-bit) */
#define btULongLong64   33      /* unsigned long long (64-bit) */
#define btAdr64         34      /* address (64-bit) */
#define btInt64         35      /* int (64-bit) */
#define btUInt64        36      /* unsigned int (64-bit) */
#define btMax           64

#if (_MFG == _MIPS)
/* optimization type codes */
#define otNil           0
#define otReg           1       /* move var to reg */
#define otBlock         2       /* begin basic block */
#define otProc          3       /* procedure */
#define otInline        4       /* inline procedure */
#define otEnd           5       /* whatever you started */
#define otMax           6       /* KEEP UP TO DATE */
#endif /* (_MFG == _MIPS) */