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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
\f
+/* New stab from Solaris 2. This uses an n_type of 0, which in a.out files
+ overlaps the N_UNDF used for ordinary symbols. In ELF files, the
+ debug information is in a different file section, so there is no conflict.
+ This symbol's n_value gives the size of the string section associated
+ with this file. The symbol's n_strx (relative to the just-updated
+ string section start address) gives the name of the source file,
+ e.g. "foo.c", without any path information. The symbol's n_desc gives
+ the count of upcoming symbols associated with this file (not including
+ this one). */
+/* __define_stab (N_UNDF, 0x00, "UNDF") */
+
/* Global variable. Only the name is significant.
To find the address, look in the corresponding external symbol. */
__define_stab (N_GSYM, 0x20, "GSYM")
/* 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. */
+/* Name of main routine. Only the name is significant. */
__define_stab (N_MAIN, 0x2a, "MAIN")
+/* Solaris2: Read-only data symbols. */
+__define_stab (N_ROSYM, 0x2c, "ROSYM")
+
/* Global symbol in Pascal.
Supposedly the value is its line number; I'm skeptical. */
__define_stab (N_PC, 0x30, "PC")
/* "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. */
+/* New stab from Solaris 2. Like N_SO, but for the object file. Two in
+ a row provide the build directory and the relative path of the .o from it.
+ Solaris2 uses this to avoid putting the stabs info into the linked
+ executable; this stab goes into the ".stab.index" section, and the debugger
+ reads the real stabs directly from the .o files instead. */
__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. */
+/* New stab from Solaris 2. Options for the debugger, related to the
+ source language for this module. E.g. whether to use ANSI
+ integral promotions or traditional integral promotions. */
__define_stab (N_OPT, 0x3c, "OPT")
/* Register variable. Value is number of register. */
__define_stab (N_M2C, 0x42, "M2C")
/* Line number in text segment. Desc is the line number;
- value is corresponding address. */
+ value is corresponding address. On Solaris2, the line number is
+ relative to the start of the current function. */
__define_stab (N_SLINE, 0x44, "SLINE")
/* Similar, for data segment. */
/* 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")
+__define_stab_duplicate (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
are enough empty fields? */
__define_stab(N_DEFD, 0x4a, "DEFD")
+/* New in Solaris2. Function start/body/end line numbers. */
+__define_stab(N_FLINE, 0x4C, "FLINE")
+
/* 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")
+__define_stab_duplicate (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
/* Structure or union element. Value is offset in the structure. */
__define_stab (N_SSYM, 0x60, "SSYM")
+/* Solaris2: Last stab emitted for module. */
+__define_stab (N_ENDM, 0x62, "ENDM")
+
/* Name of main source file.
- Value is starting text address of the compilation. */
+ Value is starting text address of the compilation.
+ If multiple N_SO's appear, the first to contain a trailing / is the
+ compilation directory. The first to not contain a trailing / is the
+ source file name, relative to the compilation directory. Others (perhaps
+ resulting from cfront) are ignored.
+ On Solaris2, value is undefined, but desc is a source-language code. */
+
__define_stab (N_SO, 0x64, "SO")
/* Automatic variable in the stack. Value is offset from frame pointer.
/* 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. */
+ The variables declared inside the block *precede* the N_LBRAC symbol.
+ On Solaris2, the value is relative to the start of the current function. */
__define_stab (N_LBRAC, 0xc0, "LBRAC")
/* Place holder for deleted include file. Replaces a N_BINCL and everything
__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. */
+ The value is the address of the end of the text for the block.
+ On Solaris2, the value is relative to the start of the current function. */
__define_stab (N_RBRAC, 0xe0, "RBRAC")
/* 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. */
+/* Member of a common block; value is offset within the common block.
+ This should occur within a BCOMM/ECOMM pair. */
__define_stab (N_ECOML, 0xe8, "ECOML")
+/* Solaris2: Pascal "with" statement: type,,0,0,offset */
+__define_stab (N_WITH, 0xea, "WITH")
+
/* 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... */
| 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 |
+ | 08 BSS | 0A INDR | 0C FN_SEQ | 0E WEAKA |
+ | 09 |EXT | 0B | 0D WEAKU | 0F WEAKT |
- | 10 | 12 COMM | 14 SETA | 16 SETT |
- | 11 | 13 | 15 | 17 |
+ | 10 WEAKD | 12 COMM | 14 SETA | 16 SETT |
+ | 11 WEAKB | 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 |
+ | 28 LCSYM | 2A MAIN | 2C ROSYM | 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 |
+ | 48 BSLINE*| 4A DEFD | 4C FLINE | 4E |
| 50 EHDECL*| 52 | 54 CATCH | 56 |
| 58 | 5A | 5C | 5E |
- | 60 SSYM | 62 | 64 SO | 66 |
+ | 60 SSYM | 62 ENDM | 64 SO | 66 |
| 68 | 6A | 6C | 6E |
| 70 | 72 | 74 | 76 |
| 78 | 7A | 7C | 7E |
| D0 | D2 | D4 | D6 |
| D8 | DA | DC | DE |
| E0 RBRAC | E2 BCOMM | E4 ECOMM | E6 |
- | E8 ECOML | EA | EC | EE |
+ | E8 ECOML | EA WITH | EC | EE |
| F0 | F2 | F4 | F6 |
| F8 | FA | FC | FE LENG |
+-----------------------------------------------+
projects / deliverable / binutils-gdb.git / commitdiff
