[deliverable/binutils-gdb.git] / include / aout / stab.def

/* Table of DBX symbol codes for the GNU system.
   Copyright (C) 1988, 1991 Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
\f
/* Global variable.  Only the name is significant.
   To find the address, look in the corresponding external symbol.  */
__define_stab (N_GSYM, 0x20, "GSYM")

/* Function name for BSD Fortran.  Only the name is significant.
   To find the address, look in the corresponding external symbol.  */
__define_stab (N_FNAME, 0x22, "FNAME")

/* Function name or text-segment variable for C.  Value is its address.
   Desc is supposedly starting line number, but GCC doesn't set it
   and DBX seems not to miss it.  */
__define_stab (N_FUN, 0x24, "FUN")

/* Data-segment variable with internal linkage.  Value is its address.
   "Static Sym".  */
__define_stab (N_STSYM, 0x26, "STSYM")

/* BSS-segment variable with internal linkage.  Value is its address.  */
__define_stab (N_LCSYM, 0x28, "LCSYM")

/* Name of main routine.  Only the name is significant.
   This is not used in C.  */
__define_stab (N_MAIN, 0x2a, "MAIN")

/* Global symbol in Pascal.
   Supposedly the value is its line number; I'm skeptical.  */
__define_stab (N_PC, 0x30, "PC")

/* Number of symbols:  0, files,,funcs,lines according to Ultrix V4.0. */
__define_stab (N_NSYMS, 0x32, "NSYMS")

/* "No DST map for sym: name, ,0,type,ignored"  according to Ultrix V4.0. */
__define_stab (N_NOMAP, 0x34, "NOMAP")

/* New stab from Solaris.  I don't know what it means, but it
   don't seem to contain useful information.  */
__define_stab (N_OBJ, 0x38, "OBJ")

/* New stab from Solaris.  I don't know what it means, but it
   don't seem to contain useful information.  Possibly related to the
   optimization flags used in this module.  */
__define_stab (N_OPT, 0x3c, "OPT")

/* Register variable.  Value is number of register.  */
__define_stab (N_RSYM, 0x40, "RSYM")

/* Modula-2 compilation unit.  Can someone say what info it contains?  */
__define_stab (N_M2C, 0x42, "M2C")

/* Line number in text segment.  Desc is the line number;
   value is corresponding address.  */
__define_stab (N_SLINE, 0x44, "SLINE")

/* Similar, for data segment.  */
__define_stab (N_DSLINE, 0x46, "DSLINE")

/* Similar, for bss segment.  */
__define_stab (N_BSLINE, 0x48, "BSLINE")

/* Sun's source-code browser stabs.  ?? Don't know what the fields are.
   Supposedly the field is "path to associated .cb file".  THIS VALUE
   OVERLAPS WITH N_BSLINE!  */
__define_stab (N_BROWS, 0x48, "BROWS")

/* GNU Modula-2 definition module dependency.  Value is the modification time
   of the definition file.  Other is non-zero if it is imported with the
   GNU M2 keyword %INITIALIZE.  Perhaps N_M2C can be used if there
   are enough empty fields? */
__define_stab(N_DEFD, 0x4a, "DEFD")

/* THE FOLLOWING TWO STAB VALUES CONFLICT.  Happily, one is for Modula-2
   and one is for C++.   Still,... */
/* GNU C++ exception variable.  Name is variable name.  */
__define_stab (N_EHDECL, 0x50, "EHDECL")
/* Modula2 info "for imc":  name,,0,0,0  according to Ultrix V4.0.  */
__define_stab (N_MOD2, 0x50, "MOD2")

/* GNU C++ `catch' clause.  Value is its address.  Desc is nonzero if
   this entry is immediately followed by a CAUGHT stab saying what exception
   was caught.  Multiple CAUGHT stabs means that multiple exceptions
   can be caught here.  If Desc is 0, it means all exceptions are caught
   here.  */
__define_stab (N_CATCH, 0x54, "CATCH")

/* Structure or union element.  Value is offset in the structure.  */
__define_stab (N_SSYM, 0x60, "SSYM")

/* Name of main source file.
   Value is starting text address of the compilation.  */
__define_stab (N_SO, 0x64, "SO")

/* Automatic variable in the stack.  Value is offset from frame pointer.
   Also used for type descriptions.  */
__define_stab (N_LSYM, 0x80, "LSYM")

/* Beginning of an include file.  Only Sun uses this.
   In an object file, only the name is significant.
   The Sun linker puts data into some of the other fields.  */
__define_stab (N_BINCL, 0x82, "BINCL")

/* Name of sub-source file (#include file).
   Value is starting text address of the compilation.  */
__define_stab (N_SOL, 0x84, "SOL")

/* Parameter variable.  Value is offset from argument pointer.
   (On most machines the argument pointer is the same as the frame pointer.  */
__define_stab (N_PSYM, 0xa0, "PSYM")

/* End of an include file.  No name.
   This and N_BINCL act as brackets around the file's output.
   In an object file, there is no significant data in this entry.
   The Sun linker puts data into some of the fields.  */
__define_stab (N_EINCL, 0xa2, "EINCL")

/* Alternate entry point.  Value is its address.  */
__define_stab (N_ENTRY, 0xa4, "ENTRY")

/* Beginning of lexical block.
   The desc is the nesting level in lexical blocks.
   The value is the address of the start of the text for the block.
   The variables declared inside the block *precede* the N_LBRAC symbol.  */
__define_stab (N_LBRAC, 0xc0, "LBRAC")

/* Place holder for deleted include file.  Replaces a N_BINCL and everything
   up to the corresponding N_EINCL.  The Sun linker generates these when
   it finds multiple identical copies of the symbols from an include file.
   This appears only in output from the Sun linker.  */
__define_stab (N_EXCL, 0xc2, "EXCL")

/* Modula-2 scope information.  Can someone say what info it contains?  */
__define_stab (N_SCOPE, 0xc4, "SCOPE")

/* End of a lexical block.  Desc matches the N_LBRAC's desc.
   The value is the address of the end of the text for the block.  */
__define_stab (N_RBRAC, 0xe0, "RBRAC")

/* Begin named common block.  Only the name is significant.  */
__define_stab (N_BCOMM, 0xe2, "BCOMM")

/* End named common block.  Only the name is significant
   (and it should match the N_BCOMM).  */
__define_stab (N_ECOMM, 0xe4, "ECOMM")

/* End common (local name): value is address.
   I'm not sure how this is used.  */
__define_stab (N_ECOML, 0xe8, "ECOML")

/* These STAB's are used on Gould systems for Non-Base register symbols
   or something like that.  FIXME.  I have assigned the values at random
   since I don't have a Gould here.  Fixups from Gould folk welcome... */
__define_stab (N_NBTEXT, 0xF0, "NBTEXT")
__define_stab (N_NBDATA, 0xF2, "NBDATA")
__define_stab (N_NBBSS,  0xF4, "NBBSS")
__define_stab (N_NBSTS,  0xF6, "NBSTS")
__define_stab (N_NBLCS,  0xF8, "NBLCS")

/* Second symbol entry containing a length-value for the preceding entry.
   The value is the length.  */
__define_stab (N_LENG, 0xfe, "LENG")
\f
/* The above information, in matrix format.

			STAB MATRIX
	_________________________________________________
	| 00 - 1F are not dbx stab symbols		|
	| In most cases, the low bit is the EXTernal bit|

	| 00 UNDEF  | 02 ABS	| 04 TEXT   | 06 DATA	|
	| 01  |EXT  | 03  |EXT	| 05  |EXT  | 07  |EXT	|

	| 08 BSS    | 0A INDR	| 0C FN_SEQ | 0E   	|
	| 09  |EXT  | 0B 	| 0D	    | 0F	|

	| 10 	    | 12 COMM	| 14 SETA   | 16 SETT	|
	| 11	    | 13	| 15 	    | 17	|

	| 18 SETD   | 1A SETB	| 1C SETV   | 1E WARNING|
	| 19	    | 1B	| 1D 	    | 1F FN	|

	|_______________________________________________|
	| Debug entries with bit 01 set are unused.	|
	| 20 GSYM   | 22 FNAME	| 24 FUN    | 26 STSYM	|
	| 28 LCSYM  | 2A MAIN	| 2C	    | 2E	|
	| 30 PC	    | 32 NSYMS	| 34 NOMAP  | 36	|
	| 38 OBJ    | 3A	| 3C OPT    | 3E	|
	| 40 RSYM   | 42 M2C	| 44 SLINE  | 46 DSLINE |
	| 48 BSLINE*| 4A DEFD	| 4C        | 4E	|
	| 50 EHDECL*| 52	| 54 CATCH  | 56        |
	| 58        | 5A        | 5C        | 5E	|
	| 60 SSYM   | 62	| 64 SO	    | 66 	|
	| 68 	    | 6A	| 6C	    | 6E	|
	| 70	    | 72	| 74	    | 76	|
	| 78	    | 7A	| 7C	    | 7E	|
	| 80 LSYM   | 82 BINCL	| 84 SOL    | 86	|
	| 88	    | 8A	| 8C	    | 8E	|
	| 90	    | 92	| 94	    | 96	|
	| 98	    | 9A	| 9C	    | 9E	|
	| A0 PSYM   | A2 EINCL	| A4 ENTRY  | A6	|
	| A8	    | AA	| AC	    | AE	|
	| B0	    | B2	| B4	    | B6	|
	| B8	    | BA	| BC	    | BE	|
	| C0 LBRAC  | C2 EXCL	| C4 SCOPE  | C6	|
	| C8	    | CA	| CC	    | CE	|
	| D0	    | D2	| D4	    | D6	|
	| D8	    | DA	| DC	    | DE	|
	| E0 RBRAC  | E2 BCOMM	| E4 ECOMM  | E6	|
	| E8 ECOML  | EA	| EC	    | EE	|
	| F0	    | F2	| F4	    | F6	|
	| F8	    | FA	| FC	    | FE LENG	|
	+-----------------------------------------------+
 * 50 EHDECL is also MOD2.
 * 48 BSLINE is also BROWS.
 */
Commit	Line	Data
1291085e JG	1	/* Table of DBX symbol codes for the GNU system.
	2	Copyright (C) 1988, 1991 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 2 of the License, or
	7	(at your option) 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. */
	17	\f
	18	/* Global variable. Only the name is significant.
	19	To find the address, look in the corresponding external symbol. */
	20	__define_stab (N_GSYM, 0x20, "GSYM")
	21
	22	/* Function name for BSD Fortran. Only the name is significant.
	23	To find the address, look in the corresponding external symbol. */
	24	__define_stab (N_FNAME, 0x22, "FNAME")
	25
	26	/* Function name or text-segment variable for C. Value is its address.
	27	Desc is supposedly starting line number, but GCC doesn't set it
	28	and DBX seems not to miss it. */
	29	__define_stab (N_FUN, 0x24, "FUN")
	30
	31	/* Data-segment variable with internal linkage. Value is its address.
	32	"Static Sym". */
	33	__define_stab (N_STSYM, 0x26, "STSYM")
	34
	35	/* BSS-segment variable with internal linkage. Value is its address. */
	36	__define_stab (N_LCSYM, 0x28, "LCSYM")
	37
	38	/* Name of main routine. Only the name is significant.
	39	This is not used in C. */
	40	__define_stab (N_MAIN, 0x2a, "MAIN")
	41
	42	/* Global symbol in Pascal.
	43	Supposedly the value is its line number; I'm skeptical. */
	44	__define_stab (N_PC, 0x30, "PC")
	45
	46	/* Number of symbols: 0, files,,funcs,lines according to Ultrix V4.0. */
	47	__define_stab (N_NSYMS, 0x32, "NSYMS")
	48
	49	/* "No DST map for sym: name, ,0,type,ignored" according to Ultrix V4.0. */
	50	__define_stab (N_NOMAP, 0x34, "NOMAP")
	51
	52	/* New stab from Solaris. I don't know what it means, but it
	53	don't seem to contain useful information. */
	54	__define_stab (N_OBJ, 0x38, "OBJ")
	55
	56	/* New stab from Solaris. I don't know what it means, but it
	57	don't seem to contain useful information. Possibly related to the
	58	optimization flags used in this module. */
	59	__define_stab (N_OPT, 0x3c, "OPT")
	60
	61	/* Register variable. Value is number of register. */
	62	__define_stab (N_RSYM, 0x40, "RSYM")
	63
	64	/* Modula-2 compilation unit. Can someone say what info it contains? */
65	__define_stab (N_M2C, 0x42, "M2C")
66
67	/* Line number in text segment. Desc is the line number;
68	value is corresponding address. */
69	__define_stab (N_SLINE, 0x44, "SLINE")
70
71	/* Similar, for data segment. */
72	__define_stab (N_DSLINE, 0x46, "DSLINE")
73
74	/* Similar, for bss segment. */
75	__define_stab (N_BSLINE, 0x48, "BSLINE")
76
77	/* Sun's source-code browser stabs. ?? Don't know what the fields are.
78	Supposedly the field is "path to associated .cb file". THIS VALUE
79	OVERLAPS WITH N_BSLINE! */
80	__define_stab (N_BROWS, 0x48, "BROWS")
81
82	/* GNU Modula-2 definition module dependency. Value is the modification time
83	of the definition file. Other is non-zero if it is imported with the
84	GNU M2 keyword %INITIALIZE. Perhaps N_M2C can be used if there
85	are enough empty fields? */
86	__define_stab(N_DEFD, 0x4a, "DEFD")
87
88	/* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2
89	and one is for C++. Still,... */
90	/* GNU C++ exception variable. Name is variable name. */
91	__define_stab (N_EHDECL, 0x50, "EHDECL")
92	/* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */
93	__define_stab (N_MOD2, 0x50, "MOD2")
94
95	/* GNU C++ `catch' clause. Value is its address. Desc is nonzero if
96	this entry is immediately followed by a CAUGHT stab saying what exception
97	was caught. Multiple CAUGHT stabs means that multiple exceptions
98	can be caught here. If Desc is 0, it means all exceptions are caught
99	here. */
100	__define_stab (N_CATCH, 0x54, "CATCH")
101
102	/* Structure or union element. Value is offset in the structure. */
103	__define_stab (N_SSYM, 0x60, "SSYM")
104
105	/* Name of main source file.
106	Value is starting text address of the compilation. */
107	__define_stab (N_SO, 0x64, "SO")
108
109	/* Automatic variable in the stack. Value is offset from frame pointer.
110	Also used for type descriptions. */
111	__define_stab (N_LSYM, 0x80, "LSYM")
112
113	/* Beginning of an include file. Only Sun uses this.
114	In an object file, only the name is significant.
115	The Sun linker puts data into some of the other fields. */
116	__define_stab (N_BINCL, 0x82, "BINCL")
117
118	/* Name of sub-source file (#include file).
119	Value is starting text address of the compilation. */
120	__define_stab (N_SOL, 0x84, "SOL")
121
122	/* Parameter variable. Value is offset from argument pointer.
123	(On most machines the argument pointer is the same as the frame pointer. */
124	__define_stab (N_PSYM, 0xa0, "PSYM")
125
126	/* End of an include file. No name.
127	This and N_BINCL act as brackets around the file's output.
128	In an object file, there is no significant data in this entry.
129	The Sun linker puts data into some of the fields. */
130	__define_stab (N_EINCL, 0xa2, "EINCL")
131
132	/* Alternate entry point. Value is its address. */
133	__define_stab (N_ENTRY, 0xa4, "ENTRY")
134
135	/* Beginning of lexical block.
136	The desc is the nesting level in lexical blocks.
137	The value is the address of the start of the text for the block.
138	The variables declared inside the block precede the N_LBRAC symbol. */
139	__define_stab (N_LBRAC, 0xc0, "LBRAC")
140
141	/* Place holder for deleted include file. Replaces a N_BINCL and everything
142	up to the corresponding N_EINCL. The Sun linker generates these when
143	it finds multiple identical copies of the symbols from an include file.
144	This appears only in output from the Sun linker. */
145	__define_stab (N_EXCL, 0xc2, "EXCL")
146
147	/* Modula-2 scope information. Can someone say what info it contains? */
148	__define_stab (N_SCOPE, 0xc4, "SCOPE")
149
150	/* End of a lexical block. Desc matches the N_LBRAC's desc.
151	The value is the address of the end of the text for the block. */
152	__define_stab (N_RBRAC, 0xe0, "RBRAC")
153
154	/* Begin named common block. Only the name is significant. */
155	__define_stab (N_BCOMM, 0xe2, "BCOMM")
156
157	/* End named common block. Only the name is significant
158	(and it should match the N_BCOMM). */
159	__define_stab (N_ECOMM, 0xe4, "ECOMM")
160
161	/* End common (local name): value is address.
162	I'm not sure how this is used. */
163	__define_stab (N_ECOML, 0xe8, "ECOML")
164
165	/* These STAB's are used on Gould systems for Non-Base register symbols
166	or something like that. FIXME. I have assigned the values at random
167	since I don't have a Gould here. Fixups from Gould folk welcome... */
168	__define_stab (N_NBTEXT, 0xF0, "NBTEXT")
169	__define_stab (N_NBDATA, 0xF2, "NBDATA")
170	__define_stab (N_NBBSS, 0xF4, "NBBSS")
171	__define_stab (N_NBSTS, 0xF6, "NBSTS")
172	__define_stab (N_NBLCS, 0xF8, "NBLCS")
173
174	/* Second symbol entry containing a length-value for the preceding entry.
175	The value is the length. */
176	__define_stab (N_LENG, 0xfe, "LENG")
177	\f
178	/* The above information, in matrix format.
179
180	STAB MATRIX
181	_________________________________________________
182	\| 00 - 1F are not dbx stab symbols \|
183	\| In most cases, the low bit is the EXTernal bit\|
184
185	\| 00 UNDEF \| 02 ABS \| 04 TEXT \| 06 DATA \|
186	\| 01 \|EXT \| 03 \|EXT \| 05 \|EXT \| 07 \|EXT \|
187
188	\| 08 BSS \| 0A INDR \| 0C FN_SEQ \| 0E \|
189	\| 09 \|EXT \| 0B \| 0D \| 0F \|
190
191	\| 10 \| 12 COMM \| 14 SETA \| 16 SETT \|
192	\| 11 \| 13 \| 15 \| 17 \|
193
194	\| 18 SETD \| 1A SETB \| 1C SETV \| 1E WARNING\|
195	\| 19 \| 1B \| 1D \| 1F FN \|
196
197	\|_______________________________________________\|
198	\| Debug entries with bit 01 set are unused. \|
199	\| 20 GSYM \| 22 FNAME \| 24 FUN \| 26 STSYM \|
200	\| 28 LCSYM \| 2A MAIN \| 2C \| 2E \|
201	\| 30 PC \| 32 NSYMS \| 34 NOMAP \| 36 \|
202	\| 38 OBJ \| 3A \| 3C OPT \| 3E \|
203	\| 40 RSYM \| 42 M2C \| 44 SLINE \| 46 DSLINE \|
204	\| 48 BSLINE*\| 4A DEFD \| 4C \| 4E \|
205	\| 50 EHDECL*\| 52 \| 54 CATCH \| 56 \|
206	\| 58 \| 5A \| 5C \| 5E \|
207	\| 60 SSYM \| 62 \| 64 SO \| 66 \|
208	\| 68 \| 6A \| 6C \| 6E \|
209	\| 70 \| 72 \| 74 \| 76 \|
210	\| 78 \| 7A \| 7C \| 7E \|
211	\| 80 LSYM \| 82 BINCL \| 84 SOL \| 86 \|
212	\| 88 \| 8A \| 8C \| 8E \|
213	\| 90 \| 92 \| 94 \| 96 \|
214	\| 98 \| 9A \| 9C \| 9E \|
215	\| A0 PSYM \| A2 EINCL \| A4 ENTRY \| A6 \|
216	\| A8 \| AA \| AC \| AE \|
217	\| B0 \| B2 \| B4 \| B6 \|
218	\| B8 \| BA \| BC \| BE \|
219	\| C0 LBRAC \| C2 EXCL \| C4 SCOPE \| C6 \|
220	\| C8 \| CA \| CC \| CE \|
221	\| D0 \| D2 \| D4 \| D6 \|
222	\| D8 \| DA \| DC \| DE \|
223	\| E0 RBRAC \| E2 BCOMM \| E4 ECOMM \| E6 \|
224	\| E8 ECOML \| EA \| EC \| EE \|
225	\| F0 \| F2 \| F4 \| F6 \|
226	\| F8 \| FA \| FC \| FE LENG \|
227	+-----------------------------------------------+
228	* 50 EHDECL is also MOD2.
229	* 48 BSLINE is also BROWS.
230	*/