1 /* Declarations of constants for internal format of MIPS ECOFF symbols.
2    Originally contributed by MIPS Computer Systems and Third Eye Software.
3    Changes contributed by Cygnus Support are in the public domain.
4 
5    This file is just aggregated with the files that make up the GNU
6    release; it is not considered part of GAS, GDB, or other GNU
7    programs.  */
8 
9 /*
10  * |-----------------------------------------------------------|
11  * | Copyright (c) 1992, 1991, 1990 MIPS Computer Systems, Inc.|
12  * | MIPS Computer Systems, Inc. grants reproduction and use   |
13  * | rights to all parties, PROVIDED that this comment is      |
14  * | maintained in the copy.                                   |
15  * |-----------------------------------------------------------|
16  */
17 
18 /* (C) Copyright 1984 by Third Eye Software, Inc.
19  *
20  * Third Eye Software, Inc. grants reproduction and use rights to
21  * all parties, PROVIDED that this comment is maintained in the copy.
22  *
23  * Third Eye makes no claims about the applicability of this
24  * symbol table to a particular use.
25  */
26 
27 /* glevels for field in FDR */
28 #define GLEVEL_0    2
29 #define GLEVEL_1    1
30 #define GLEVEL_2    0         /* for upward compat reasons. */
31 #define GLEVEL_3    3
32 
33 /* magic number fo symheader */
34 #define magicSym    0x7009
35 /* The Alpha uses this value instead, for some reason.  */
36 #define magicSym2   0x1992
37 
38 /* Language codes */
39 #define langC                 0
40 #define langPascal  1
41 #define langFortran 2
42 #define   langAssembler       3         /* one Assembley inst might map to many mach */
43 #define langMachine 4
44 #define langNil               5
45 #define langAda               6
46 #define langPl1               7
47 #define langCobol   8
48 #define langStdc    9         /* FIXME: Collides with SGI langCplusplus */
49 #define langCplusplus         9         /* FIXME: Collides with langStdc */
50 #define langCplusplusV2       10        /* SGI addition */
51 #define langMax               11        /* maximum allowed 32 -- 5 bits */
52 
53 /* The following are value definitions for the fields in the SYMR */
54 
55 /*
56  * Storage Classes
57  */
58 
59 #define scNil                 0
60 #define scText                1         /* text symbol */
61 #define scData                2         /* initialized data symbol */
62 #define scBss                 3         /* un-initialized data symbol */
63 #define scRegister  4         /* value of symbol is register number */
64 #define scAbs                 5         /* value of symbol is absolute */
65 #define scUndefined 6         /* who knows? */
66 #define scCdbLocal  7         /* variable's value is IN se->va.?? */
67 #define scBits                8         /* this is a bit field */
68 #define scCdbSystem 9         /* variable's value is IN CDB's address space */
69 #define scDbx                 9         /* overlap dbx internal use */
70 #define scRegImage  10        /* register value saved on stack */
71 #define scInfo                11        /* symbol contains debugger information */
72 #define scUserStruct          12        /* address in struct user for current process */
73 #define scSData               13        /* load time only small data */
74 #define scSBss                14        /* load time only small common */
75 #define scRData               15        /* load time only read only data */
76 #define scVar                 16        /* Var parameter (fortran,pascal) */
77 #define scCommon    17        /* common variable */
78 #define scSCommon   18        /* small common */
79 #define scVarRegister         19        /* Var parameter in a register */
80 #define scVariant   20        /* Variant record */
81 #define scSUndefined          21        /* small undefined(external) data */
82 #define scInit                22        /* .init section symbol */
83 #define scBasedVar  23        /* Fortran or PL/1 ptr based var */
84 #define scXData         24      /* exception handling data */
85 #define scPData         25      /* Procedure section */
86 #define scFini          26      /* .fini section */
87 #define scRConst    27        /* .rconst section */
88 #define scMax                 32
89 
90 
91 /*
92  *   Symbol Types
93  */
94 
95 #define stNil                 0         /* Nuthin' special */
96 #define stGlobal    1         /* external symbol */
97 #define stStatic    2         /* static */
98 #define stParam               3         /* procedure argument */
99 #define stLocal               4         /* local variable */
100 #define stLabel               5         /* label */
101 #define stProc                6         /*     "      "      Procedure */
102 #define stBlock               7         /* beginnning of block */
103 #define stEnd                 8         /* end (of anything) */
104 #define stMember    9         /* member (of anything        - struct/union/enum */
105 #define stTypedef   10        /* type definition */
106 #define stFile                11        /* file name */
107 #define stRegReloc  12        /* register relocation */
108 #define stForward   13        /* forwarding address */
109 #define stStaticProc          14        /* load time only static procs */
110 #define stConstant  15        /* const */
111 #define stStaParam  16        /* Fortran static parameters */
112     /* These new symbol types have been recently added to SGI machines. */
113 #define stStruct    26        /* Beginning of block defining a struct type */
114 #define stUnion               27        /* Beginning of block defining a union type */
115 #define stEnum                28        /* Beginning of block defining an enum type */
116 #define stIndirect  34        /* Indirect type specification */
117     /* Pseudo-symbols - internal to debugger */
118 #define stStr                 60        /* string */
119 #define stNumber    61        /* pure number (ie. 4 NOR 2+2) */
120 #define stExpr                62        /* 2+2 vs. 4 */
121 #define stType                63        /* post-coersion SER */
122 #define stMax                 64
123 
124 /* definitions for fields in TIR */
125 
126 /* type qualifiers for ti.tq0 -> ti.(itqMax-1) */
127 #define tqNil       0         /* bt is what you see */
128 #define tqPtr       1         /* pointer */
129 #define tqProc      2         /* procedure */
130 #define tqArray 3   /* duh */
131 #define tqFar       4         /* longer addressing - 8086/8 land */
132 #define tqVol       5         /* volatile */
133 #define tqConst 6   /* const */
134 #define tqMax       8
135 
136 /* basic types as seen in ti.bt */
137 #define btNil                 0         /* undefined (also, enum members) */
138 #define btAdr                 1         /* address - integer same size as pointer */
139 #define btChar                2         /* character */
140 #define btUChar               3         /* unsigned character */
141 #define btShort               4         /* short */
142 #define btUShort    5         /* unsigned short */
143 #define btInt                 6         /* int */
144 #define btUInt                7         /* unsigned int */
145 #define btLong                8         /* long */
146 #define btULong               9         /* unsigned long */
147 #define btFloat               10        /* float (real) */
148 #define btDouble    11        /* Double (real) */
149 #define btStruct    12        /* Structure (Record) */
150 #define btUnion               13        /* Union (variant) */
151 #define btEnum                14        /* Enumerated */
152 #define btTypedef   15        /* defined via a typedef, isymRef points */
153 #define btRange               16        /* subrange of int */
154 #define btSet                 17        /* pascal sets */
155 #define btComplex   18        /* fortran complex */
156 #define btDComplex  19        /* fortran double complex */
157 #define btIndirect  20        /* forward or unnamed typedef */
158 #define btFixedDec  21        /* Fixed Decimal */
159 #define btFloatDec  22        /* Float Decimal */
160 #define btString    23        /* Varying Length Character String */
161 #define btBit                 24        /* Aligned Bit String */
162 #define btPicture   25        /* Picture */
163 #define btVoid                26        /* void */
164 #define btLongLong  27        /* long long */
165 #define btULongLong 28        /* unsigned long long */
166 #define btLong64    30        /* long (64-bit) */
167 #define btULong64   31        /* unsigned long (64-bit) */
168 #define btLongLong64          32        /* long long (64-bit) */
169 #define btULongLong64         33        /* unsigned long long (64-bit) */
170 #define btAdr64               34        /* address (64-bit) */
171 #define btInt64               35        /* int (64-bit) */
172 #define btUInt64    36        /* unsigned int (64-bit) */
173 #define btMax                 64
174 
175 #if (_MFG == _MIPS)
176 /* optimization type codes */
177 #define otNil                 0
178 #define otReg                 1         /* move var to reg */
179 #define otBlock               2         /* begin basic block */
180 #define   otProc              3         /* procedure */
181 #define otInline    4         /* inline procedure */
182 #define otEnd                 5         /* whatever you started */
183 #define otMax                 6         /* KEEP UP TO DATE */
184 #endif /* (_MFG == _MIPS) */
185