as rich copied from mike

1 files changed, 182 insertions, 0 deletions

diff --git a/include/stab.def b/include/stab.def
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+/* 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.  */
+
+/* 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")
+
+/* 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	|
+	+-----------------------------------------------+
+
+*/