[binutils.git] / gdb / 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
/* 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")

/* 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.
   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.  */
__define_stab (N_DSLINE, 0x66, "DSLINE")
/* Similar, for bss segment.  */
__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.  */

/* GNU C++ exception variable.  Name is variable name.  */
__define_stab (N_EHDECL, 0x50, "EHDECL")

/* 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")
__define_stab (N_NSYMS,  0xFA, "NSYMS")
\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	| 34	    | 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	|
	+-----------------------------------------------+

*/
Commit	Line	Data
dd3b648e 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. */
	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	__define_stab (N_STSYM, 0x26, "STSYM")
	33
	34	/* BSS-segment variable with internal linkage. Value is its address. */
	35	__define_stab (N_LCSYM, 0x28, "LCSYM")
	36
	37	/* Name of main routine. Only the name is significant.
	38	This is not used in C. */
	39	__define_stab (N_MAIN, 0x2a, "MAIN")
	40
	41	/* Register variable. Value is number of register. */
	42	__define_stab (N_RSYM, 0x40, "RSYM")
	43
	44	/* Structure or union element. Value is offset in the structure. */
	45	__define_stab (N_SSYM, 0x60, "SSYM")
	46
	47	/* Parameter variable. Value is offset from argument pointer.
	48	(On most machines the argument pointer is the same as the frame pointer. */
	49	__define_stab (N_PSYM, 0xa0, "PSYM")
	50
	51	/* Automatic variable in the stack. Value is offset from frame pointer.
	52	Also used for type descriptions. */
	53	__define_stab (N_LSYM, 0x80, "LSYM")
	54
	55	/* Alternate entry point. Value is its address. */
	56	__define_stab (N_ENTRY, 0xa4, "ENTRY")
	57
	58	/* Name of main source file.
	59	Value is starting text address of the compilation. */
	60	__define_stab (N_SO, 0x64, "SO")
	61
	62	/* Name of sub-source file.
	63	Value is starting text address of the compilation. */
	64	__define_stab (N_SOL, 0x84, "SOL")
65
66	/* Line number in text segment. Desc is the line number;
67	value is corresponding address. */
68	__define_stab (N_SLINE, 0x44, "SLINE")
69	/* Similar, for data segment. */
70	__define_stab (N_DSLINE, 0x66, "DSLINE")
71	/* Similar, for bss segment. */
72	__define_stab (N_BSLINE, 0x68, "BSLINE")
73
74	/* Beginning of an include file. Only Sun uses this.
75	In an object file, only the name is significant.
76	The Sun linker puts data into some of the other fields. */
77	__define_stab (N_BINCL, 0x82, "BINCL")
78	/* End of an include file. No name.
79	These two act as brackets around the file's output.
80	In an object file, there is no significant data in this entry.
81	The Sun linker puts data into some of the fields. */
82	__define_stab (N_EINCL, 0xa2, "EINCL")
83	/* Place holder for deleted include file.
84	This appears only in output from the Sun linker. */
85	__define_stab (N_EXCL, 0xc2, "EXCL")
86
87	/* Beginning of lexical block.
88	The desc is the nesting level in lexical blocks.
89	The value is the address of the start of the text for the block.
90	The variables declared inside the block precede the N_LBRAC symbol. */
91	__define_stab (N_LBRAC, 0xc0, "LBRAC")
92	/* End of a lexical block. Desc matches the N_LBRAC's desc.
93	The value is the address of the end of the text for the block. */
94	__define_stab (N_RBRAC, 0xe0, "RBRAC")
95
96	/* Begin named common block. Only the name is significant. */
97	__define_stab (N_BCOMM, 0xe2, "BCOMM")
98	/* Begin named common block. Only the name is significant
99	(and it should match the N_BCOMM). */
100	__define_stab (N_ECOMM, 0xe4, "ECOMM")
101	/* End common (local name): value is address.
102	I'm not sure how this is used. */
103	__define_stab (N_ECOML, 0xe8, "ECOML")
104	/* Second symbol entry containing a length-value for the preceding entry.
105	The value is the length. */
106	__define_stab (N_LENG, 0xfe, "LENG")
107
108	/* Global symbol in Pascal.
109	Supposedly the value is its line number; I'm skeptical. */
110	__define_stab (N_PC, 0x30, "PC")
111
112	/* Modula-2 compilation unit. Can someone say what info it contains? */
113	__define_stab (N_M2C, 0x42, "M2C")
114	/* Modula-2 scope information. Can someone say what info it contains? */
115	__define_stab (N_SCOPE, 0xc4, "SCOPE")
116
117	/* Sun's source-code browser stabs. ?? Don't know what the fields are.
118	Supposedly the field is "path to associated .cb file". */
119	__define_stab (N_BROWS, 0x48, "BROWS")
120
121	/* GNU C++ exception stabs. */
122
123	/* GNU C++ exception variable. Name is variable name. */
124	__define_stab (N_EHDECL, 0x50, "EHDECL")
125
126	/* GNU C++ `catch' clause. Value is its address. Desc is nonzero if
127	this entry is immediately followed by a CAUGHT stab saying what exception
128	was caught. Multiple CAUGHT stabs means that multiple exceptions
129	can be caught here. If Desc is 0, it means all exceptions are caught
130	here. */
131	__define_stab (N_CATCH, 0x54, "CATCH")
132
133	/* These STAB's are used on Gould systems for Non-Base register symbols
134	or something like that. FIXME. I have assigned the values at random
135	since I don't have a Gould here. Fixups from Gould folk welcome... */
136	__define_stab (N_NBTEXT, 0xF0, "NBTEXT")
137	__define_stab (N_NBDATA, 0xF2, "NBDATA")
138	__define_stab (N_NBBSS, 0xF4, "NBBSS")
139	__define_stab (N_NBSTS, 0xF6, "NBSTS")
140	__define_stab (N_NBLCS, 0xF8, "NBLCS")
141	__define_stab (N_NSYMS, 0xFA, "NSYMS")
142	\f
143	/* The above information, in matrix format.
144
145	STAB MATRIX
146	_________________________________________________
147	\| 00 - 1F are not dbx stab symbols \|
148	\| Entries with bits 01 set are external symbols \|
149	\| N_UNDEF \| N_ABS \| N_TEXT \| N_DATA \|
150	\| N_BSS \| N_COMM \| \| N_FN \|
151	\|_______________________________________________\|
152	\| 20 GSYM \| 22 FNAME \| 24 FUN \| 26 STSYM \|
153	\| 28 LCSYM \| 2A MAIN \| 2C \| 2E \|
154	\| 30 PC \| 32 \| 34 \| 36 \|
155	\| 38 \| 3A \| 3C \| 3E \|
156	\| 40 RSYM \| 42 M2C \| 44 SLINE \| 46 \|
157	\| 48 BROWS \| 4A \| 4C \| 4E \|
158	\| 50 EHDECL \| 52 \| 54 CATCH \| 56 \|
159	\| 58 \| 5A \| 5C \| 5E \|
160	\| 60 SSYM \| 62 \| 64 SO \| 66 DSLINE \|
161	\| 68 BSLINE \| 6A \| 6C \| 6E \|
162	\| 70 \| 72 \| 74 \| 76 \|
163	\| 78 \| 7A \| 7C \| 7E \|
164	\| 80 LSYM \| 82 BINCL \| 84 SOL \| 86 \|
165	\| 88 \| 8A \| 8C \| 8E \|
166	\| 90 \| 92 \| 94 \| 96 \|
167	\| 98 \| 9A \| 9C \| 9E \|
168	\| A0 PSYM \| A2 EINCL \| A4 ENTRY \| A6 \|
169	\| A8 \| AA \| AC \| AE \|
170	\| B0 \| B2 \| B4 \| B6 \|
171	\| B8 \| BA \| BC \| BE \|
172	\| C0 LBRAC \| C2 EXCL \| C4 SCOPE \| C6 \|
173	\| C8 \| CA \| CC \| CE \|
174	\| D0 \| D2 \| D4 \| D6 \|
175	\| D8 \| DA \| DC \| DE \|
176	\| E0 RBRAC \| E2 BCOMM \| E4 ECOMM \| E6 \|
177	\| E8 ECOML \| EA \| EC \| EE \|
178	\| F0 \| F2 \| F4 \| F6 \|
179	\| F8 \| FA \| FC \| FE LENG \|
180	+-----------------------------------------------+
181
182	*/