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

/* Table of DBX symbol codes for the GNU system.
   Copyright (C) 1988 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 1, 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

/* Alias symbol. Any reference to this will turn into into one to the
   next symbol in the table
*/

__define_stab (N_INDR, 0x0b, "INDR")

/* Warning symbol. The text gives a warning message, the next symbol
   in the table will be undefined. When the symbol is referenced, the
   message is printed.
*/

__define_stab (N_WARNING, 0x1e,"WARNING")

/* 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.  */
__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")

/* 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")

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

/* 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")

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

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

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

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

/* Line number in text segment.  Desc is the line number;
   value is corresponding address.  */
__define_stab (N_SLINE, 0x44, "SLINE")
/* Similar, for data segment.  */
/* FIXME-NOW: gas's copy had 0x46 here. */
__define_stab (N_DSLINE, 0x66, "DSLINE")
/* Similar, for bss segment.  */
/* FIXME-NOW: gas's copy had 0x48 here. */
__define_stab (N_BSLINE, 0x68, "BSLINE")

/* 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")
/* End of an include file.  No name.
   These two 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")
/* Place holder for deleted include file.
   This appears only in output from the Sun linker.  */
__define_stab (N_EXCL, 0xc2, "EXCL")

/* 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")
/* 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")
/* Begin 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")
/* Second symbol entry containing a length-value for the preceding entry.
   The value is the length.  */
__define_stab (N_LENG, 0xfe, "LENG")

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

/* Modula-2 compilation unit.  Can someone say what info it contains?  */
__define_stab (N_M2C, 0x42, "M2C")
/* Modula-2 scope information.  Can someone say what info it contains?  */
__define_stab (N_SCOPE, 0xc4, "SCOPE")

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

/* GNU C++ exception stabs.  */

/* 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")

/* 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")
\f
/* The above information, in matrix format.

			STAB MATRIX
	_________________________________________________
	| 00 - 1F are not dbx stab symbols		|
	| Entries with bits 01 set are external symbols |
	| N_UNDEF   | N_ABS	| N_TEXT    | N_DATA	|
	| N_BSS     | N_COMM	| 	    | N_FN	|
	|_______________________________________________|
	| 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        |
	| 48 BROWS  | 4A	| 4C        | 4E	|
	| 50 EHDECL*| 52	| 54 CATCH  | 56        |
	| 58        | 5A        | 5C        | 5E	|
	| 60 SSYM   | 62	| 64 SO	    | 66 DSLINE	|
	| 68 BSLINE | 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.

*/
Commit	Line	Data
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")
61a153e5 RP	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
bad3df67 JG	147	and one is for C++. Still,... */
61a153e5 RP	148	/* GNU C++ exception variable. Name is variable name. */
61a153e5 RP	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
61a153e5 RP	210	*/