[binutils.git] / include / 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")

/* 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	    | 3A	| 3C	    | 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
61a153e5	1	/* Table of DBX symbol codes for the GNU system.
55fbee91	2	Copyright (C) 1988, 1991 Free Software Foundation, Inc.
61a153e5	3
55fbee91 JG	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.
61a153e5	8
55fbee91 JG	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.
1c6c6598	13
55fbee91 JG	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. */
61a153e5 RP	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
55fbee91 JG	31	/* Data-segment variable with internal linkage. Value is its address.
55fbee91 JG	32	"Static Sym". */
61a153e5 RP	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
55fbee91 JG	42	/* Global symbol in Pascal.
	43	Supposedly the value is its line number; I'm skeptical. */
	44	__define_stab (N_PC, 0x30, "PC")
	45
bad3df67 JG	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
61a153e5 RP	52	/* Register variable. Value is number of register. */
	53	__define_stab (N_RSYM, 0x40, "RSYM")
	54
55fbee91 JG	55	/* Modula-2 compilation unit. Can someone say what info it contains? */
	56	__define_stab (N_M2C, 0x42, "M2C")
	57
	58	/* Line number in text segment. Desc is the line number;
	59	value is corresponding address. */
	60	__define_stab (N_SLINE, 0x44, "SLINE")
	61
	62	/* Similar, for data segment. */
	63	__define_stab (N_DSLINE, 0x46, "DSLINE")
	64
	65	/* Similar, for bss segment. */
	66	__define_stab (N_BSLINE, 0x48, "BSLINE")
	67
	68	/* Sun's source-code browser stabs. ?? Don't know what the fields are.
	69	Supposedly the field is "path to associated .cb file". THIS VALUE
	70	OVERLAPS WITH N_BSLINE! */
	71	__define_stab (N_BROWS, 0x48, "BROWS")
	72
4cd30207 JG	73	/* GNU Modula-2 definition module dependency. Value is the modification time
	74	of the definition file. Other is non-zero if it is imported with the
	75	GNU M2 keyword %INITIALIZE. Perhaps N_M2C can be used if there
	76	are enough empty fields? */
	77	__define_stab(N_DEFD, 0x4a, "DEFD")
	78
55fbee91 JG	79	/* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2
	80	and one is for C++. Still,... */
	81	/* GNU C++ exception variable. Name is variable name. */
	82	__define_stab (N_EHDECL, 0x50, "EHDECL")
	83	/* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */
	84	__define_stab (N_MOD2, 0x50, "MOD2")
	85
	86	/* GNU C++ `catch' clause. Value is its address. Desc is nonzero if
	87	this entry is immediately followed by a CAUGHT stab saying what exception
	88	was caught. Multiple CAUGHT stabs means that multiple exceptions
	89	can be caught here. If Desc is 0, it means all exceptions are caught
	90	here. */
	91	__define_stab (N_CATCH, 0x54, "CATCH")
	92
61a153e5 RP	93	/* Structure or union element. Value is offset in the structure. */
	94	__define_stab (N_SSYM, 0x60, "SSYM")
	95
55fbee91 JG	96	/* Name of main source file.
	97	Value is starting text address of the compilation. */
	98	__define_stab (N_SO, 0x64, "SO")
61a153e5 RP	99
	100	/* Automatic variable in the stack. Value is offset from frame pointer.
	101	Also used for type descriptions. */
	102	__define_stab (N_LSYM, 0x80, "LSYM")
	103
55fbee91 JG	104	/* Beginning of an include file. Only Sun uses this.
	105	In an object file, only the name is significant.
	106	The Sun linker puts data into some of the other fields. */
	107	__define_stab (N_BINCL, 0x82, "BINCL")
61a153e5	108
bad3df67	109	/* Name of sub-source file (#include file).
61a153e5 RP	110	Value is starting text address of the compilation. */
	111	__define_stab (N_SOL, 0x84, "SOL")
	112
55fbee91 JG	113	/* Parameter variable. Value is offset from argument pointer.
	114	(On most machines the argument pointer is the same as the frame pointer. */
	115	__define_stab (N_PSYM, 0xa0, "PSYM")
61a153e5	116
61a153e5	117	/* End of an include file. No name.
55fbee91	118	This and N_BINCL act as brackets around the file's output.
61a153e5 RP	119	In an object file, there is no significant data in this entry.
	120	The Sun linker puts data into some of the fields. */
	121	__define_stab (N_EINCL, 0xa2, "EINCL")
55fbee91 JG	122
	123	/* Alternate entry point. Value is its address. */
	124	__define_stab (N_ENTRY, 0xa4, "ENTRY")
61a153e5 RP	125
	126	/* Beginning of lexical block.
	127	The desc is the nesting level in lexical blocks.
	128	The value is the address of the start of the text for the block.
	129	The variables declared inside the block precede the N_LBRAC symbol. */
	130	__define_stab (N_LBRAC, 0xc0, "LBRAC")
55fbee91 JG	131
	132	/* Place holder for deleted include file. Replaces a N_BINCL and everything
	133	up to the corresponding N_EINCL. The Sun linker generates these when
	134	it finds multiple identical copies of the symbols from an include file.
	135	This appears only in output from the Sun linker. */
	136	__define_stab (N_EXCL, 0xc2, "EXCL")
	137
	138	/* Modula-2 scope information. Can someone say what info it contains? */
	139	__define_stab (N_SCOPE, 0xc4, "SCOPE")
	140
61a153e5 RP	141	/* End of a lexical block. Desc matches the N_LBRAC's desc.
	142	The value is the address of the end of the text for the block. */
	143	__define_stab (N_RBRAC, 0xe0, "RBRAC")
	144
	145	/* Begin named common block. Only the name is significant. */
	146	__define_stab (N_BCOMM, 0xe2, "BCOMM")
55fbee91 JG	147
55fbee91 JG	148	/* End named common block. Only the name is significant
61a153e5 RP	149	(and it should match the N_BCOMM). */
61a153e5 RP	150	__define_stab (N_ECOMM, 0xe4, "ECOMM")
55fbee91	151
61a153e5 RP	152	/* End common (local name): value is address.
	153	I'm not sure how this is used. */
	154	__define_stab (N_ECOML, 0xe8, "ECOML")
61a153e5 RP	155
	156	/* These STAB's are used on Gould systems for Non-Base register symbols
	157	or something like that. FIXME. I have assigned the values at random
	158	since I don't have a Gould here. Fixups from Gould folk welcome... */
	159	__define_stab (N_NBTEXT, 0xF0, "NBTEXT")
	160	__define_stab (N_NBDATA, 0xF2, "NBDATA")
	161	__define_stab (N_NBBSS, 0xF4, "NBBSS")
	162	__define_stab (N_NBSTS, 0xF6, "NBSTS")
	163	__define_stab (N_NBLCS, 0xF8, "NBLCS")
55fbee91 JG	164
	165	/* Second symbol entry containing a length-value for the preceding entry.
	166	The value is the length. */
	167	__define_stab (N_LENG, 0xfe, "LENG")
6b0a1595	168
61a153e5 RP	169	\f
	170	/* The above information, in matrix format.
	171
	172	STAB MATRIX
	173	_________________________________________________
	174	\| 00 - 1F are not dbx stab symbols \|
30c52cdf JG	175	\| In most cases, the low bit is the EXTernal bit\|
30c52cdf JG	176
797d1b89	177	\| 00 UNDEF \| 02 ABS \| 04 TEXT \| 06 DATA \|
30c52cdf JG	178	\| 01 \|EXT \| 03 \|EXT \| 05 \|EXT \| 07 \|EXT \|
30c52cdf JG	179
1c067821	180	\| 08 BSS \| 0A INDR \| 0C FN_SEQ \| 0E \|
30c52cdf JG	181	\| 09 \|EXT \| 0B \| 0D \| 0F \|
30c52cdf JG	182
e557edcf	183	\| 10 \| 12 COMM \| 14 SETA \| 16 SETT \|
30c52cdf JG	184	\| 11 \| 13 \| 15 \| 17 \|
30c52cdf JG	185
55fbee91	186	\| 18 SETD \| 1A SETB \| 1C SETV \| 1E WARNING\|
30c52cdf JG	187	\| 19 \| 1B \| 1D \| 1F FN \|
30c52cdf JG	188
61a153e5	189	\|_______________________________________________\|
797d1b89	190	\| Debug entries with bit 01 set are unused. \|
61a153e5 RP	191	\| 20 GSYM \| 22 FNAME \| 24 FUN \| 26 STSYM \|
61a153e5 RP	192	\| 28 LCSYM \| 2A MAIN \| 2C \| 2E \|
bad3df67	193	\| 30 PC \| 32 NSYMS \| 34 NOMAP \| 36 \|
61a153e5	194	\| 38 \| 3A \| 3C \| 3E \|
55fbee91	195	\| 40 RSYM \| 42 M2C \| 44 SLINE \| 46 DSLINE \|
4cd30207	196	\| 48 BSLINE*\| 4A DEFD \| 4C \| 4E \|
bad3df67	197	\| 50 EHDECL*\| 52 \| 54 CATCH \| 56 \|
61a153e5	198	\| 58 \| 5A \| 5C \| 5E \|
55fbee91 JG	199	\| 60 SSYM \| 62 \| 64 SO \| 66 \|
55fbee91 JG	200	\| 68 \| 6A \| 6C \| 6E \|
61a153e5 RP	201	\| 70 \| 72 \| 74 \| 76 \|
	202	\| 78 \| 7A \| 7C \| 7E \|
	203	\| 80 LSYM \| 82 BINCL \| 84 SOL \| 86 \|
	204	\| 88 \| 8A \| 8C \| 8E \|
	205	\| 90 \| 92 \| 94 \| 96 \|
	206	\| 98 \| 9A \| 9C \| 9E \|
	207	\| A0 PSYM \| A2 EINCL \| A4 ENTRY \| A6 \|
	208	\| A8 \| AA \| AC \| AE \|
	209	\| B0 \| B2 \| B4 \| B6 \|
	210	\| B8 \| BA \| BC \| BE \|
	211	\| C0 LBRAC \| C2 EXCL \| C4 SCOPE \| C6 \|
	212	\| C8 \| CA \| CC \| CE \|
	213	\| D0 \| D2 \| D4 \| D6 \|
	214	\| D8 \| DA \| DC \| DE \|
	215	\| E0 RBRAC \| E2 BCOMM \| E4 ECOMM \| E6 \|
	216	\| E8 ECOML \| EA \| EC \| EE \|
	217	\| F0 \| F2 \| F4 \| F6 \|
	218	\| F8 \| FA \| FC \| FE LENG \|
	219	+-----------------------------------------------+
bad3df67	220	* 50 EHDECL is also MOD2.
55fbee91	221	* 48 BSLINE is also BROWS.
55fbee91	222	*/