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61a153e5 RP |
1 | /* Table of DBX symbol codes for the GNU system. |
2 | Copyright (C) 1988 Free Software Foundation, Inc. | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 1, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software | |
16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
1c6c6598 | 17 | |
61a153e5 | 18 | \f |
1c6c6598 SC |
19 | |
20 | /* Alias symbol. Any reference to this will turn into into one to the | |
21 | next symbol in the table | |
22 | */ | |
23 | ||
24 | __define_stab (N_INDR, 0x0b, "INDR") | |
25 | ||
26 | /* Warning symbol. The text gives a warning message, the next symbol | |
27 | in the table will be undefined. When the symbol is referenced, the | |
28 | message is printed. | |
29 | */ | |
30 | ||
31 | __define_stab (N_WARNING, 0x1e,"WARNING") | |
32 | ||
61a153e5 RP |
33 | /* Global variable. Only the name is significant. |
34 | To find the address, look in the corresponding external symbol. */ | |
35 | __define_stab (N_GSYM, 0x20, "GSYM") | |
36 | ||
37 | /* Function name for BSD Fortran. Only the name is significant. | |
38 | To find the address, look in the corresponding external symbol. */ | |
39 | __define_stab (N_FNAME, 0x22, "FNAME") | |
40 | ||
41 | /* Function name or text-segment variable for C. Value is its address. | |
42 | Desc is supposedly starting line number, but GCC doesn't set it | |
43 | and DBX seems not to miss it. */ | |
44 | __define_stab (N_FUN, 0x24, "FUN") | |
45 | ||
46 | /* Data-segment variable with internal linkage. Value is its address. */ | |
47 | __define_stab (N_STSYM, 0x26, "STSYM") | |
48 | ||
49 | /* BSS-segment variable with internal linkage. Value is its address. */ | |
50 | __define_stab (N_LCSYM, 0x28, "LCSYM") | |
51 | ||
52 | /* Name of main routine. Only the name is significant. | |
53 | This is not used in C. */ | |
54 | __define_stab (N_MAIN, 0x2a, "MAIN") | |
55 | ||
bad3df67 JG |
56 | /* Number of symbols: 0, files,,funcs,lines according to Ultrix V4.0. */ |
57 | __define_stab (N_NSYMS, 0x32, "NSYMS") | |
58 | ||
59 | /* "No DST map for sym: name, ,0,type,ignored" according to Ultrix V4.0. */ | |
60 | __define_stab (N_NOMAP, 0x34, "NOMAP") | |
61 | ||
61a153e5 RP |
62 | /* Register variable. Value is number of register. */ |
63 | __define_stab (N_RSYM, 0x40, "RSYM") | |
64 | ||
65 | /* Structure or union element. Value is offset in the structure. */ | |
66 | __define_stab (N_SSYM, 0x60, "SSYM") | |
67 | ||
68 | /* Parameter variable. Value is offset from argument pointer. | |
69 | (On most machines the argument pointer is the same as the frame pointer. */ | |
70 | __define_stab (N_PSYM, 0xa0, "PSYM") | |
71 | ||
72 | /* Automatic variable in the stack. Value is offset from frame pointer. | |
73 | Also used for type descriptions. */ | |
74 | __define_stab (N_LSYM, 0x80, "LSYM") | |
75 | ||
76 | /* Alternate entry point. Value is its address. */ | |
77 | __define_stab (N_ENTRY, 0xa4, "ENTRY") | |
78 | ||
79 | /* Name of main source file. | |
80 | Value is starting text address of the compilation. */ | |
81 | __define_stab (N_SO, 0x64, "SO") | |
82 | ||
bad3df67 | 83 | /* Name of sub-source file (#include file). |
61a153e5 RP |
84 | Value is starting text address of the compilation. */ |
85 | __define_stab (N_SOL, 0x84, "SOL") | |
86 | ||
87 | /* Line number in text segment. Desc is the line number; | |
88 | value is corresponding address. */ | |
89 | __define_stab (N_SLINE, 0x44, "SLINE") | |
90 | /* Similar, for data segment. */ | |
f827120d | 91 | /* FIXME-NOW: gas's copy had 0x46 here. */ |
61a153e5 RP |
92 | __define_stab (N_DSLINE, 0x66, "DSLINE") |
93 | /* Similar, for bss segment. */ | |
f827120d | 94 | /* FIXME-NOW: gas's copy had 0x48 here. */ |
61a153e5 RP |
95 | __define_stab (N_BSLINE, 0x68, "BSLINE") |
96 | ||
97 | /* Beginning of an include file. Only Sun uses this. | |
98 | In an object file, only the name is significant. | |
99 | The Sun linker puts data into some of the other fields. */ | |
100 | __define_stab (N_BINCL, 0x82, "BINCL") | |
101 | /* End of an include file. No name. | |
102 | These two act as brackets around the file's output. | |
103 | In an object file, there is no significant data in this entry. | |
104 | The Sun linker puts data into some of the fields. */ | |
105 | __define_stab (N_EINCL, 0xa2, "EINCL") | |
106 | /* Place holder for deleted include file. | |
107 | This appears only in output from the Sun linker. */ | |
108 | __define_stab (N_EXCL, 0xc2, "EXCL") | |
109 | ||
110 | /* Beginning of lexical block. | |
111 | The desc is the nesting level in lexical blocks. | |
112 | The value is the address of the start of the text for the block. | |
113 | The variables declared inside the block *precede* the N_LBRAC symbol. */ | |
114 | __define_stab (N_LBRAC, 0xc0, "LBRAC") | |
115 | /* End of a lexical block. Desc matches the N_LBRAC's desc. | |
116 | The value is the address of the end of the text for the block. */ | |
117 | __define_stab (N_RBRAC, 0xe0, "RBRAC") | |
118 | ||
119 | /* Begin named common block. Only the name is significant. */ | |
120 | __define_stab (N_BCOMM, 0xe2, "BCOMM") | |
121 | /* Begin named common block. Only the name is significant | |
122 | (and it should match the N_BCOMM). */ | |
123 | __define_stab (N_ECOMM, 0xe4, "ECOMM") | |
124 | /* End common (local name): value is address. | |
125 | I'm not sure how this is used. */ | |
126 | __define_stab (N_ECOML, 0xe8, "ECOML") | |
127 | /* Second symbol entry containing a length-value for the preceding entry. | |
128 | The value is the length. */ | |
129 | __define_stab (N_LENG, 0xfe, "LENG") | |
130 | ||
131 | /* Global symbol in Pascal. | |
132 | Supposedly the value is its line number; I'm skeptical. */ | |
133 | __define_stab (N_PC, 0x30, "PC") | |
134 | ||
135 | /* Modula-2 compilation unit. Can someone say what info it contains? */ | |
136 | __define_stab (N_M2C, 0x42, "M2C") | |
137 | /* Modula-2 scope information. Can someone say what info it contains? */ | |
138 | __define_stab (N_SCOPE, 0xc4, "SCOPE") | |
139 | ||
140 | /* Sun's source-code browser stabs. ?? Don't know what the fields are. | |
141 | Supposedly the field is "path to associated .cb file". */ | |
142 | __define_stab (N_BROWS, 0x48, "BROWS") | |
143 | ||
144 | /* GNU C++ exception stabs. */ | |
145 | ||
bad3df67 JG |
146 | /* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2 |
147 | and one is for C++. Still,... */ | |
61a153e5 RP |
148 | /* GNU C++ exception variable. Name is variable name. */ |
149 | __define_stab (N_EHDECL, 0x50, "EHDECL") | |
bad3df67 JG |
150 | /* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */ |
151 | __define_stab (N_MOD2, 0x50, "MOD2") | |
152 | ||
61a153e5 RP |
153 | |
154 | /* GNU C++ `catch' clause. Value is its address. Desc is nonzero if | |
155 | this entry is immediately followed by a CAUGHT stab saying what exception | |
156 | was caught. Multiple CAUGHT stabs means that multiple exceptions | |
157 | can be caught here. If Desc is 0, it means all exceptions are caught | |
158 | here. */ | |
159 | __define_stab (N_CATCH, 0x54, "CATCH") | |
160 | ||
161 | /* These STAB's are used on Gould systems for Non-Base register symbols | |
162 | or something like that. FIXME. I have assigned the values at random | |
163 | since I don't have a Gould here. Fixups from Gould folk welcome... */ | |
164 | __define_stab (N_NBTEXT, 0xF0, "NBTEXT") | |
165 | __define_stab (N_NBDATA, 0xF2, "NBDATA") | |
166 | __define_stab (N_NBBSS, 0xF4, "NBBSS") | |
167 | __define_stab (N_NBSTS, 0xF6, "NBSTS") | |
168 | __define_stab (N_NBLCS, 0xF8, "NBLCS") | |
61a153e5 RP |
169 | \f |
170 | /* The above information, in matrix format. | |
171 | ||
172 | STAB MATRIX | |
173 | _________________________________________________ | |
174 | | 00 - 1F are not dbx stab symbols | | |
175 | | Entries with bits 01 set are external symbols | | |
176 | | N_UNDEF | N_ABS | N_TEXT | N_DATA | | |
177 | | N_BSS | N_COMM | | N_FN | | |
178 | |_______________________________________________| | |
179 | | 20 GSYM | 22 FNAME | 24 FUN | 26 STSYM | | |
180 | | 28 LCSYM | 2A MAIN | 2C | 2E | | |
bad3df67 | 181 | | 30 PC | 32 NSYMS | 34 NOMAP | 36 | |
61a153e5 RP |
182 | | 38 | 3A | 3C | 3E | |
183 | | 40 RSYM | 42 M2C | 44 SLINE | 46 | | |
184 | | 48 BROWS | 4A | 4C | 4E | | |
bad3df67 | 185 | | 50 EHDECL*| 52 | 54 CATCH | 56 | |
61a153e5 RP |
186 | | 58 | 5A | 5C | 5E | |
187 | | 60 SSYM | 62 | 64 SO | 66 DSLINE | | |
188 | | 68 BSLINE | 6A | 6C | 6E | | |
189 | | 70 | 72 | 74 | 76 | | |
190 | | 78 | 7A | 7C | 7E | | |
191 | | 80 LSYM | 82 BINCL | 84 SOL | 86 | | |
192 | | 88 | 8A | 8C | 8E | | |
193 | | 90 | 92 | 94 | 96 | | |
194 | | 98 | 9A | 9C | 9E | | |
195 | | A0 PSYM | A2 EINCL | A4 ENTRY | A6 | | |
196 | | A8 | AA | AC | AE | | |
197 | | B0 | B2 | B4 | B6 | | |
198 | | B8 | BA | BC | BE | | |
199 | | C0 LBRAC | C2 EXCL | C4 SCOPE | C6 | | |
200 | | C8 | CA | CC | CE | | |
201 | | D0 | D2 | D4 | D6 | | |
202 | | D8 | DA | DC | DE | | |
203 | | E0 RBRAC | E2 BCOMM | E4 ECOMM | E6 | | |
204 | | E8 ECOML | EA | EC | EE | | |
205 | | F0 | F2 | F4 | F6 | | |
206 | | F8 | FA | FC | FE LENG | | |
207 | +-----------------------------------------------+ | |
bad3df67 | 208 | * 50 EHDECL is also MOD2. |
61a153e5 RP |
209 | |
210 | */ |