Subversion Repositories or1k

// OBSOLETE /* Read os9/os9k symbol tables and convert to internal format, for GDB.

// OBSOLETE    Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,

// OBSOLETE    1996, 1997, 1998, 1999, 2000, 2001

// OBSOLETE    Free Software Foundation, Inc.

// OBSOLETE 

// OBSOLETE    This file is part of GDB.

// OBSOLETE 

// OBSOLETE    This program is free software; you can redistribute it and/or modify

// OBSOLETE    it under the terms of the GNU General Public License as published by

// OBSOLETE    the Free Software Foundation; either version 2 of the License, or

// OBSOLETE    (at your option) any later version.

// OBSOLETE 

// OBSOLETE    This program is distributed in the hope that it will be useful,

// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of

// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// OBSOLETE    GNU General Public License for more details.

// OBSOLETE 

// OBSOLETE    You should have received a copy of the GNU General Public License

// OBSOLETE    along with this program; if not, write to the Free Software

// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,

// OBSOLETE    Boston, MA 02111-1307, USA.  */

// OBSOLETE 

// OBSOLETE /* This module provides three functions: os9k_symfile_init,

// OBSOLETE    which initializes to read a symbol file; os9k_new_init, which 

// OBSOLETE    discards existing cached information when all symbols are being

// OBSOLETE    discarded; and os9k_symfile_read, which reads a symbol table

// OBSOLETE    from a file.

// OBSOLETE 

// OBSOLETE    os9k_symfile_read only does the minimum work necessary for letting the

// OBSOLETE    user "name" things symbolically; it does not read the entire symtab.

// OBSOLETE    Instead, it reads the external and static symbols and puts them in partial

// OBSOLETE    symbol tables.  When more extensive information is requested of a

// OBSOLETE    file, the corresponding partial symbol table is mutated into a full

// OBSOLETE    fledged symbol table by going back and reading the symbols

// OBSOLETE    for real.  os9k_psymtab_to_symtab() is the function that does this */

// OBSOLETE 

// OBSOLETE #include "defs.h"

// OBSOLETE #include "gdb_string.h"

// OBSOLETE #include "gdb_assert.h"

// OBSOLETE #include <stdio.h>

// OBSOLETE 

// OBSOLETE #if defined(USG) || defined(__CYGNUSCLIB__)

// OBSOLETE #include <sys/types.h>

// OBSOLETE #include <fcntl.h>

// OBSOLETE #endif

// OBSOLETE 

// OBSOLETE #include "obstack.h"

// OBSOLETE #include "gdb_stat.h"

// OBSOLETE #include "symtab.h"

// OBSOLETE #include "breakpoint.h"

// OBSOLETE #include "command.h"

// OBSOLETE #include "target.h"

// OBSOLETE #include "gdbcore.h"                /* for bfd stuff */

// OBSOLETE #include "libaout.h"                /* FIXME Secret internal BFD stuff for a.out */

// OBSOLETE #include "symfile.h"

// OBSOLETE #include "objfiles.h"

// OBSOLETE #include "buildsym.h"

// OBSOLETE #include "gdb-stabs.h"

// OBSOLETE #include "demangle.h"

// OBSOLETE #include "language.h"               /* Needed inside partial-stab.h */

// OBSOLETE #include "complaints.h"

// OBSOLETE #include "os9k.h"

// OBSOLETE #include "stabsread.h"

// OBSOLETE 

// OBSOLETE extern void _initialize_os9kread (void);

// OBSOLETE 

// OBSOLETE /* Each partial symbol table entry contains a pointer to private data for the

// OBSOLETE    read_symtab() function to use when expanding a partial symbol table entry

// OBSOLETE    to a full symbol table entry.

// OBSOLETE 

// OBSOLETE    For dbxread this structure contains the offset within the file symbol table

// OBSOLETE    of first local symbol for this file, and count of the section

// OBSOLETE    of the symbol table devoted to this file's symbols (actually, the section

// OBSOLETE    bracketed may contain more than just this file's symbols).  It also contains

// OBSOLETE    further information needed to locate the symbols if they are in an ELF file.

// OBSOLETE 

// OBSOLETE    If ldsymcnt is 0, the only reason for this thing's existence is the

// OBSOLETE    dependency list.  Nothing else will happen when it is read in.  */

// OBSOLETE 

// OBSOLETE #define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff)

// OBSOLETE #define LDSYMCNT(p) (((struct symloc *)((p)->read_symtab_private))->ldsymnum)

// OBSOLETE 

// OBSOLETE struct symloc

// OBSOLETE   {

// OBSOLETE     int ldsymoff;

// OBSOLETE     int ldsymnum;

// OBSOLETE   };

// OBSOLETE 

// OBSOLETE /* Remember what we deduced to be the source language of this psymtab. */

// OBSOLETE static enum language psymtab_language = language_unknown;

// OBSOLETE 

// OBSOLETE /* keep partial symbol table file nested depth */

// OBSOLETE static int psymfile_depth = 0;

// OBSOLETE 

// OBSOLETE /* keep symbol table file nested depth */

// OBSOLETE static int symfile_depth = 0;

// OBSOLETE 

// OBSOLETE extern int previous_stab_code;

// OBSOLETE 

// OBSOLETE /* Name of last function encountered.  Used in Solaris to approximate

// OBSOLETE    object file boundaries.  */

// OBSOLETE static char *last_function_name;

// OBSOLETE 

// OBSOLETE /* Complaints about the symbols we have encountered.  */

// OBSOLETE extern struct complaint lbrac_complaint;

// OBSOLETE 

// OBSOLETE extern struct complaint unknown_symtype_complaint;

// OBSOLETE 

// OBSOLETE extern struct complaint unknown_symchar_complaint;

// OBSOLETE 

// OBSOLETE extern struct complaint lbrac_rbrac_complaint;

// OBSOLETE 

// OBSOLETE extern struct complaint repeated_header_complaint;

// OBSOLETE 

// OBSOLETE extern struct complaint repeated_header_name_complaint;

// OBSOLETE 

// OBSOLETE #if 0

// OBSOLETE static struct complaint lbrac_unmatched_complaint =

// OBSOLETE {"unmatched Increment Block Entry before symtab pos %d", 0, 0};

// OBSOLETE 

// OBSOLETE static struct complaint lbrac_mismatch_complaint =

// OBSOLETE {"IBE/IDE symbol mismatch at symtab pos %d", 0, 0};

// OBSOLETE #endif

// OBSOLETE 

// OBSOLETE /* Local function prototypes */

// OBSOLETE 

// OBSOLETE static void read_minimal_symbols (struct objfile *);

// OBSOLETE 

// OBSOLETE static void os9k_read_ofile_symtab (struct partial_symtab *);

// OBSOLETE 

// OBSOLETE static void os9k_psymtab_to_symtab (struct partial_symtab *);

// OBSOLETE 

// OBSOLETE static void os9k_psymtab_to_symtab_1 (struct partial_symtab *);

// OBSOLETE 

// OBSOLETE static void read_os9k_psymtab (struct objfile *, CORE_ADDR, int);

// OBSOLETE 

// OBSOLETE static int fill_sym (FILE *, bfd *);

// OBSOLETE 

// OBSOLETE static void os9k_symfile_init (struct objfile *);

// OBSOLETE 

// OBSOLETE static void os9k_new_init (struct objfile *);

// OBSOLETE 

// OBSOLETE static void os9k_symfile_read (struct objfile *, int);

// OBSOLETE 

// OBSOLETE static void os9k_symfile_finish (struct objfile *);

// OBSOLETE 

// OBSOLETE static void os9k_process_one_symbol (int, int, CORE_ADDR, char *,

// OBSOLETE                                  struct section_offsets *,

// OBSOLETE                                  struct objfile *);

// OBSOLETE 

// OBSOLETE static struct partial_symtab *os9k_start_psymtab (struct objfile *, char *,

// OBSOLETE                                               CORE_ADDR, int, int,

// OBSOLETE                                               struct partial_symbol **,

// OBSOLETE                                               struct partial_symbol **);

// OBSOLETE 

// OBSOLETE static struct partial_symtab *os9k_end_psymtab (struct partial_symtab *,

// OBSOLETE                                             char **, int, int, CORE_ADDR,

// OBSOLETE                                             struct partial_symtab **,

// OBSOLETE                                             int);

// OBSOLETE 

// OBSOLETE static void record_minimal_symbol (char *, CORE_ADDR, int, struct objfile *);

// OBSOLETE 

// OBSOLETE #define HANDLE_RBRAC(val) \

// OBSOLETE   if ((val) > pst->texthigh) pst->texthigh = (val);

// OBSOLETE 

// OBSOLETE #define SWAP_STBHDR(hdrp, abfd) \

// OBSOLETE   { \

// OBSOLETE     (hdrp)->fmtno = bfd_get_16(abfd, (unsigned char *)&(hdrp)->fmtno); \

// OBSOLETE     (hdrp)->crc = bfd_get_32(abfd, (unsigned char *)&(hdrp)->crc); \

// OBSOLETE     (hdrp)->offset = bfd_get_32(abfd, (unsigned char *)&(hdrp)->offset); \

// OBSOLETE     (hdrp)->nsym = bfd_get_32(abfd, (unsigned char *)&(hdrp)->nsym); \

// OBSOLETE   }

// OBSOLETE #define SWAP_STBSYM(symp, abfd) \

// OBSOLETE   { \

// OBSOLETE     (symp)->value = bfd_get_32(abfd, (unsigned char *)&(symp)->value); \

// OBSOLETE     (symp)->type = bfd_get_16(abfd, (unsigned char *)&(symp)->type); \

// OBSOLETE     (symp)->stroff = bfd_get_32(abfd, (unsigned char *)&(symp)->stroff); \

// OBSOLETE   }

// OBSOLETE #define N_DATA 0

// OBSOLETE #define N_BSS 1

// OBSOLETE #define N_RDATA 2

// OBSOLETE #define N_IDATA 3

// OBSOLETE #define N_TEXT 4

// OBSOLETE #define N_ABS 6

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE record_minimal_symbol (char *name, CORE_ADDR address, int type,

// OBSOLETE                    struct objfile *objfile)

// OBSOLETE {

// OBSOLETE   enum minimal_symbol_type ms_type;

// OBSOLETE 

// OBSOLETE   switch (type)

// OBSOLETE     {

// OBSOLETE     case N_TEXT:

// OBSOLETE       ms_type = mst_text;

// OBSOLETE       address += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));

// OBSOLETE       break;

// OBSOLETE     case N_DATA:

// OBSOLETE       ms_type = mst_data;

// OBSOLETE       break;

// OBSOLETE     case N_BSS:

// OBSOLETE       ms_type = mst_bss;

// OBSOLETE       break;

// OBSOLETE     case N_RDATA:

// OBSOLETE       ms_type = mst_bss;

// OBSOLETE       break;

// OBSOLETE     case N_IDATA:

// OBSOLETE       ms_type = mst_data;

// OBSOLETE       break;

// OBSOLETE     case N_ABS:

// OBSOLETE       ms_type = mst_abs;

// OBSOLETE       break;

// OBSOLETE     default:

// OBSOLETE       ms_type = mst_unknown;

// OBSOLETE       break;

// OBSOLETE     }

// OBSOLETE 

// OBSOLETE   prim_record_minimal_symbol (name, address, ms_type, objfile);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* read and process .stb file and store in minimal symbol table */

// OBSOLETE typedef char mhhdr[80];

// OBSOLETE struct stbhdr

// OBSOLETE   {

// OBSOLETE     mhhdr comhdr;

// OBSOLETE     char *name;

// OBSOLETE     short fmtno;

// OBSOLETE     int crc;

// OBSOLETE     int offset;

// OBSOLETE     int nsym;

// OBSOLETE     char *pad;

// OBSOLETE   };

// OBSOLETE struct stbsymbol

// OBSOLETE   {

// OBSOLETE     int value;

// OBSOLETE     short type;

// OBSOLETE     int stroff;

// OBSOLETE   };

// OBSOLETE #define STBSYMSIZE 10

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE read_minimal_symbols (struct objfile *objfile)

// OBSOLETE {

// OBSOLETE   FILE *fp;

// OBSOLETE   bfd *abfd;

// OBSOLETE   struct stbhdr hdr;

// OBSOLETE   struct stbsymbol sym;

// OBSOLETE   int ch, i, j, off;

// OBSOLETE   char buf[64], buf1[128];

// OBSOLETE 

// OBSOLETE   fp = objfile->auxf1;

// OBSOLETE   if (fp == NULL)

// OBSOLETE     return;

// OBSOLETE   abfd = objfile->obfd;

// OBSOLETE   fread (&hdr.comhdr[0], sizeof (mhhdr), 1, fp);

// OBSOLETE   i = 0;

// OBSOLETE   ch = getc (fp);

// OBSOLETE   while (ch != -1)

// OBSOLETE     {

// OBSOLETE       buf[i] = (char) ch;

// OBSOLETE       i++;

// OBSOLETE       if (ch == 0)

// OBSOLETE     break;

// OBSOLETE       ch = getc (fp);

// OBSOLETE     };

// OBSOLETE   if (i % 2)

// OBSOLETE     ch = getc (fp);

// OBSOLETE   hdr.name = &buf[0];

// OBSOLETE 

// OBSOLETE   fread (&hdr.fmtno, sizeof (hdr.fmtno), 1, fp);

// OBSOLETE   fread (&hdr.crc, sizeof (hdr.crc), 1, fp);

// OBSOLETE   fread (&hdr.offset, sizeof (hdr.offset), 1, fp);

// OBSOLETE   fread (&hdr.nsym, sizeof (hdr.nsym), 1, fp);

// OBSOLETE   SWAP_STBHDR (&hdr, abfd);

// OBSOLETE 

// OBSOLETE   /* read symbols */

// OBSOLETE   init_minimal_symbol_collection ();

// OBSOLETE   off = hdr.offset;

// OBSOLETE   for (i = hdr.nsym; i > 0; i--)

// OBSOLETE     {

// OBSOLETE       fseek (fp, (long) off, 0);

// OBSOLETE       fread (&sym.value, sizeof (sym.value), 1, fp);

// OBSOLETE       fread (&sym.type, sizeof (sym.type), 1, fp);

// OBSOLETE       fread (&sym.stroff, sizeof (sym.stroff), 1, fp);

// OBSOLETE       SWAP_STBSYM (&sym, abfd);

// OBSOLETE       fseek (fp, (long) sym.stroff, 0);

// OBSOLETE       j = 0;

// OBSOLETE       ch = getc (fp);

// OBSOLETE       while (ch != -1)

// OBSOLETE     {

// OBSOLETE       buf1[j] = (char) ch;

// OBSOLETE       j++;

// OBSOLETE       if (ch == 0)

// OBSOLETE         break;

// OBSOLETE       ch = getc (fp);

// OBSOLETE     };

// OBSOLETE       record_minimal_symbol (buf1, sym.value, sym.type & 7, objfile);

// OBSOLETE       off += STBSYMSIZE;

// OBSOLETE     };

// OBSOLETE   install_minimal_symbols (objfile);

// OBSOLETE   return;

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* Scan and build partial symbols for a symbol file.

// OBSOLETE    We have been initialized by a call to os9k_symfile_init, which 

// OBSOLETE    put all the relevant info into a "struct os9k_symfile_info",

// OBSOLETE    hung off the objfile structure.

// OBSOLETE 

// OBSOLETE    MAINLINE is true if we are reading the main symbol

// OBSOLETE    table (as opposed to a shared lib or dynamically loaded file).  */

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE os9k_symfile_read (struct objfile *objfile, int mainline)

// OBSOLETE {

// OBSOLETE   bfd *sym_bfd;

// OBSOLETE   struct cleanup *back_to;

// OBSOLETE 

// OBSOLETE   sym_bfd = objfile->obfd;

// OBSOLETE   /* If we are reinitializing, or if we have never loaded syms yet, init */

// OBSOLETE   if (mainline

// OBSOLETE       || (objfile->global_psymbols.size == 0

// OBSOLETE       && objfile->static_psymbols.size == 0))

// OBSOLETE     init_psymbol_list (objfile, DBX_SYMCOUNT (objfile));

// OBSOLETE 

// OBSOLETE   free_pending_blocks ();

// OBSOLETE   back_to = make_cleanup (really_free_pendings, 0);

// OBSOLETE 

// OBSOLETE   make_cleanup_discard_minimal_symbols ();

// OBSOLETE   read_minimal_symbols (objfile);

// OBSOLETE 

// OBSOLETE   /* Now that the symbol table data of the executable file are all in core,

// OBSOLETE      process them and define symbols accordingly.  */

// OBSOLETE   read_os9k_psymtab (objfile,

// OBSOLETE                  DBX_TEXT_ADDR (objfile),

// OBSOLETE                  DBX_TEXT_SIZE (objfile));

// OBSOLETE 

// OBSOLETE   do_cleanups (back_to);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* Initialize anything that needs initializing when a completely new

// OBSOLETE    symbol file is specified (not just adding some symbols from another

// OBSOLETE    file, e.g. a shared library).  */

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE os9k_new_init (struct objfile *ignore)

// OBSOLETE {

// OBSOLETE   stabsread_new_init ();

// OBSOLETE   buildsym_new_init ();

// OBSOLETE   psymfile_depth = 0;

// OBSOLETE /*

// OBSOLETE    init_header_files ();

// OBSOLETE  */

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* os9k_symfile_init ()

// OBSOLETE    It is passed a struct objfile which contains, among other things,

// OBSOLETE    the BFD for the file whose symbols are being read, and a slot for a pointer

// OBSOLETE    to "private data" which we fill with goodies.

// OBSOLETE 

// OBSOLETE    Since BFD doesn't know how to read debug symbols in a format-independent

// OBSOLETE    way (and may never do so...), we have to do it ourselves.  We will never

// OBSOLETE    be called unless this is an a.out (or very similar) file. 

// OBSOLETE    FIXME, there should be a cleaner peephole into the BFD environment here.  */

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE os9k_symfile_init (struct objfile *objfile)

// OBSOLETE {

// OBSOLETE   bfd *sym_bfd = objfile->obfd;

// OBSOLETE   char *name = bfd_get_filename (sym_bfd);

// OBSOLETE   char dbgname[512], stbname[512];

// OBSOLETE   FILE *symfile = 0;

// OBSOLETE   FILE *minfile = 0;

// OBSOLETE   asection *text_sect;

// OBSOLETE 

// OBSOLETE   strcpy (dbgname, name);

// OBSOLETE   strcat (dbgname, ".dbg");

// OBSOLETE   strcpy (stbname, name);

// OBSOLETE   strcat (stbname, ".stb");

// OBSOLETE 

// OBSOLETE   if ((symfile = fopen (dbgname, "r")) == NULL)

// OBSOLETE     {

// OBSOLETE       warning ("Symbol file %s not found", dbgname);

// OBSOLETE     }

// OBSOLETE   objfile->auxf2 = symfile;

// OBSOLETE 

// OBSOLETE   if ((minfile = fopen (stbname, "r")) == NULL)

// OBSOLETE     {

// OBSOLETE       warning ("Symbol file %s not found", stbname);

// OBSOLETE     }

// OBSOLETE   objfile->auxf1 = minfile;

// OBSOLETE 

// OBSOLETE   /* Allocate struct to keep track of the symfile */

// OBSOLETE   objfile->sym_stab_info = (struct dbx_symfile_info *)

// OBSOLETE     xmmalloc (objfile->md, sizeof (struct dbx_symfile_info));

// OBSOLETE   DBX_SYMFILE_INFO (objfile)->stab_section_info = NULL;

// OBSOLETE 

// OBSOLETE   text_sect = bfd_get_section_by_name (sym_bfd, ".text");

// OBSOLETE   if (!text_sect)

// OBSOLETE     error ("Can't find .text section in file");

// OBSOLETE   DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);

// OBSOLETE   DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);

// OBSOLETE 

// OBSOLETE   DBX_SYMBOL_SIZE (objfile) = 0;    /* variable size symbol */

// OBSOLETE   DBX_SYMCOUNT (objfile) = 0;       /* used to be bfd_get_symcount(sym_bfd) */

// OBSOLETE   DBX_SYMTAB_OFFSET (objfile) = 0;  /* used to be SYMBOL_TABLE_OFFSET */

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* Perform any local cleanups required when we are done with a particular

// OBSOLETE    objfile.  I.E, we are in the process of discarding all symbol information

// OBSOLETE    for an objfile, freeing up all memory held for it, and unlinking the

// OBSOLETE    objfile struct from the global list of known objfiles. */

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE os9k_symfile_finish (struct objfile *objfile)

// OBSOLETE {

// OBSOLETE   if (objfile->sym_stab_info != NULL)

// OBSOLETE     {

// OBSOLETE       xmfree (objfile->md, objfile->sym_stab_info);

// OBSOLETE     }

// OBSOLETE /*

// OBSOLETE    free_header_files ();

// OBSOLETE  */

// OBSOLETE }

// OBSOLETE 

// OBSOLETE 

// OBSOLETE struct st_dbghdr

// OBSOLETE {

// OBSOLETE   int sync;

// OBSOLETE   short rev;

// OBSOLETE   int crc;

// OBSOLETE   short os;

// OBSOLETE   short cpu;

// OBSOLETE };

// OBSOLETE #define SYNC                (int)0xefbefeca

// OBSOLETE 

// OBSOLETE #define SWAP_DBGHDR(hdrp, abfd) \

// OBSOLETE   { \

// OBSOLETE     (hdrp)->sync = bfd_get_32(abfd, (unsigned char *)&(hdrp)->sync); \

// OBSOLETE     (hdrp)->rev = bfd_get_16(abfd, (unsigned char *)&(hdrp)->rev); \

// OBSOLETE     (hdrp)->crc = bfd_get_32(abfd, (unsigned char *)&(hdrp)->crc); \

// OBSOLETE     (hdrp)->os = bfd_get_16(abfd, (unsigned char *)&(hdrp)->os); \

// OBSOLETE     (hdrp)->cpu = bfd_get_16(abfd, (unsigned char *)&(hdrp)->cpu); \

// OBSOLETE   }

// OBSOLETE 

// OBSOLETE #define N_SYM_CMPLR     0

// OBSOLETE #define N_SYM_SLINE     1

// OBSOLETE #define N_SYM_SYM       2

// OBSOLETE #define N_SYM_LBRAC     3

// OBSOLETE #define N_SYM_RBRAC     4

// OBSOLETE #define N_SYM_SE        5

// OBSOLETE 

// OBSOLETE struct internal_symstruct

// OBSOLETE   {

// OBSOLETE     short n_type;

// OBSOLETE     short n_desc;

// OBSOLETE     long n_value;

// OBSOLETE     char *n_strx;

// OBSOLETE   };

// OBSOLETE static struct internal_symstruct symbol;

// OBSOLETE static struct internal_symstruct *symbuf = &symbol;

// OBSOLETE static char strbuf[4096];

// OBSOLETE static struct st_dbghdr dbghdr;

// OBSOLETE static short cmplrid;

// OBSOLETE 

// OBSOLETE #define VER_PRE_ULTRAC      ((short)4)

// OBSOLETE #define VER_ULTRAC  ((short)5)

// OBSOLETE 

// OBSOLETE static int

// OBSOLETE fill_sym (FILE *dbg_file, bfd *abfd)

// OBSOLETE {

// OBSOLETE   short si, nmask;

// OBSOLETE   long li;

// OBSOLETE   int ii;

// OBSOLETE   char *p;

// OBSOLETE 

// OBSOLETE   int nbytes = fread (&si, sizeof (si), 1, dbg_file);

// OBSOLETE   if (nbytes == 0)

// OBSOLETE     return 0;

// OBSOLETE   if (nbytes < 0)

// OBSOLETE     perror_with_name ("reading .dbg file.");

// OBSOLETE   symbuf->n_desc = 0;

// OBSOLETE   symbuf->n_value = 0;

// OBSOLETE   symbuf->n_strx = NULL;

// OBSOLETE   symbuf->n_type = bfd_get_16 (abfd, (unsigned char *) &si);

// OBSOLETE   symbuf->n_type = 0xf & symbuf->n_type;

// OBSOLETE   switch (symbuf->n_type)

// OBSOLETE     {

// OBSOLETE     case N_SYM_CMPLR:

// OBSOLETE       fread (&si, sizeof (si), 1, dbg_file);

// OBSOLETE       symbuf->n_desc = bfd_get_16 (abfd, (unsigned char *) &si);

// OBSOLETE       cmplrid = symbuf->n_desc & 0xff;

// OBSOLETE       break;

// OBSOLETE     case N_SYM_SLINE:

// OBSOLETE       fread (&li, sizeof (li), 1, dbg_file);

// OBSOLETE       symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);

// OBSOLETE       fread (&li, sizeof (li), 1, dbg_file);

// OBSOLETE       li = bfd_get_32 (abfd, (unsigned char *) &li);

// OBSOLETE       symbuf->n_strx = (char *) (li >> 12);

// OBSOLETE       symbuf->n_desc = li & 0xfff;

// OBSOLETE       break;

// OBSOLETE     case N_SYM_SYM:

// OBSOLETE       fread (&li, sizeof (li), 1, dbg_file);

// OBSOLETE       symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);

// OBSOLETE       si = 0;

// OBSOLETE       do

// OBSOLETE     {

// OBSOLETE       ii = getc (dbg_file);

// OBSOLETE       strbuf[si++] = (char) ii;

// OBSOLETE     }

// OBSOLETE       while (ii != 0 || si % 2 != 0);

// OBSOLETE       symbuf->n_strx = strbuf;

// OBSOLETE       p = (char *) strchr (strbuf, ':');

// OBSOLETE       if (!p)

// OBSOLETE     break;

// OBSOLETE       if ((p[1] == 'F' || p[1] == 'f') && cmplrid == VER_PRE_ULTRAC)

// OBSOLETE     {

// OBSOLETE       fread (&si, sizeof (si), 1, dbg_file);

// OBSOLETE       nmask = bfd_get_16 (abfd, (unsigned char *) &si);

// OBSOLETE       for (ii = 0; ii < nmask; ii++)

// OBSOLETE         fread (&si, sizeof (si), 1, dbg_file);

// OBSOLETE     }

// OBSOLETE       break;

// OBSOLETE     case N_SYM_LBRAC:

// OBSOLETE       fread (&li, sizeof (li), 1, dbg_file);

// OBSOLETE       symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);

// OBSOLETE       break;

// OBSOLETE     case N_SYM_RBRAC:

// OBSOLETE       fread (&li, sizeof (li), 1, dbg_file);

// OBSOLETE       symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);

// OBSOLETE       break;

// OBSOLETE     case N_SYM_SE:

// OBSOLETE       break;

// OBSOLETE     }

// OBSOLETE   return 1;

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* Given pointers to an a.out symbol table in core containing dbx

// OBSOLETE    style data, setup partial_symtab's describing each source file for

// OBSOLETE    which debugging information is available.

// OBSOLETE    SYMFILE_NAME is the name of the file we are reading from. */

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE read_os9k_psymtab (struct objfile *objfile, CORE_ADDR text_addr, int text_size)

// OBSOLETE {

// OBSOLETE   register struct internal_symstruct *bufp = 0;             /* =0 avoids gcc -Wall glitch */

// OBSOLETE   register char *namestring;

// OBSOLETE   int past_first_source_file = 0;

// OBSOLETE   CORE_ADDR last_o_file_start = 0;

// OBSOLETE #if 0

// OBSOLETE   struct cleanup *back_to;

// OBSOLETE #endif

// OBSOLETE   bfd *abfd;

// OBSOLETE   FILE *fp;

// OBSOLETE 

// OBSOLETE   /* End of the text segment of the executable file.  */

// OBSOLETE   static CORE_ADDR end_of_text_addr;

// OBSOLETE 

// OBSOLETE   /* Current partial symtab */

// OBSOLETE   static struct partial_symtab *pst = 0;

// OBSOLETE 

// OBSOLETE   /* List of current psymtab's include files */

// OBSOLETE   char **psymtab_include_list;

// OBSOLETE   int includes_allocated;

// OBSOLETE   int includes_used;

// OBSOLETE 

// OBSOLETE   /* Index within current psymtab dependency list */

// OBSOLETE   struct partial_symtab **dependency_list;

// OBSOLETE   int dependencies_used, dependencies_allocated;

// OBSOLETE 

// OBSOLETE   includes_allocated = 30;

// OBSOLETE   includes_used = 0;

// OBSOLETE   psymtab_include_list = (char **) alloca (includes_allocated *

// OBSOLETE                                        sizeof (char *));

// OBSOLETE 

// OBSOLETE   dependencies_allocated = 30;

// OBSOLETE   dependencies_used = 0;

// OBSOLETE   dependency_list =

// OBSOLETE     (struct partial_symtab **) alloca (dependencies_allocated *

// OBSOLETE                                    sizeof (struct partial_symtab *));

// OBSOLETE 

// OBSOLETE   last_source_file = NULL;

// OBSOLETE 

// OBSOLETE #ifdef END_OF_TEXT_DEFAULT

// OBSOLETE   end_of_text_addr = END_OF_TEXT_DEFAULT;

// OBSOLETE #else

// OBSOLETE   end_of_text_addr = text_addr + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))

// OBSOLETE     + text_size;            /* Relocate */

// OBSOLETE #endif

// OBSOLETE 

// OBSOLETE   abfd = objfile->obfd;

// OBSOLETE   fp = objfile->auxf2;

// OBSOLETE   if (!fp)

// OBSOLETE     return;

// OBSOLETE 

// OBSOLETE   fread (&dbghdr.sync, sizeof (dbghdr.sync), 1, fp);

// OBSOLETE   fread (&dbghdr.rev, sizeof (dbghdr.rev), 1, fp);

// OBSOLETE   fread (&dbghdr.crc, sizeof (dbghdr.crc), 1, fp);

// OBSOLETE   fread (&dbghdr.os, sizeof (dbghdr.os), 1, fp);

// OBSOLETE   fread (&dbghdr.cpu, sizeof (dbghdr.cpu), 1, fp);

// OBSOLETE   SWAP_DBGHDR (&dbghdr, abfd);

// OBSOLETE 

// OBSOLETE   symnum = 0;

// OBSOLETE   while (1)

// OBSOLETE     {

// OBSOLETE       int ret;

// OBSOLETE       long cursymoffset;

// OBSOLETE 

// OBSOLETE       /* Get the symbol for this run and pull out some info */

// OBSOLETE       QUIT;                 /* allow this to be interruptable */

// OBSOLETE       cursymoffset = ftell (objfile->auxf2);

// OBSOLETE       ret = fill_sym (objfile->auxf2, abfd);

// OBSOLETE       if (ret <= 0)

// OBSOLETE     break;

// OBSOLETE       else

// OBSOLETE     symnum++;

// OBSOLETE       bufp = symbuf;

// OBSOLETE 

// OBSOLETE       /* Special case to speed up readin. */

// OBSOLETE       if (bufp->n_type == (short) N_SYM_SLINE)

// OBSOLETE     continue;

// OBSOLETE 

// OBSOLETE #define CUR_SYMBOL_VALUE bufp->n_value

// OBSOLETE       /* partial-stab.h */

// OBSOLETE 

// OBSOLETE       switch (bufp->n_type)

// OBSOLETE     {

// OBSOLETE       char *p;

// OBSOLETE 

// OBSOLETE     case N_SYM_CMPLR:

// OBSOLETE       continue;

// OBSOLETE 

// OBSOLETE     case N_SYM_SE:

// OBSOLETE       CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));

// OBSOLETE       if (psymfile_depth == 1 && pst)

// OBSOLETE         {

// OBSOLETE           os9k_end_psymtab (pst, psymtab_include_list, includes_used,

// OBSOLETE                             symnum, CUR_SYMBOL_VALUE,

// OBSOLETE                             dependency_list, dependencies_used);

// OBSOLETE           pst = (struct partial_symtab *) 0;

// OBSOLETE           includes_used = 0;

// OBSOLETE           dependencies_used = 0;

// OBSOLETE         }

// OBSOLETE       psymfile_depth--;

// OBSOLETE       continue;

// OBSOLETE 

// OBSOLETE     case N_SYM_SYM: /* Typedef or automatic variable. */

// OBSOLETE       namestring = bufp->n_strx;

// OBSOLETE       p = (char *) strchr (namestring, ':');

// OBSOLETE       if (!p)

// OBSOLETE         continue;           /* Not a debugging symbol.   */

// OBSOLETE 

// OBSOLETE       /* Main processing section for debugging symbols which

// OBSOLETE          the initial read through the symbol tables needs to worry

// OBSOLETE          about.  If we reach this point, the symbol which we are

// OBSOLETE          considering is definitely one we are interested in.

// OBSOLETE          p must also contain the (valid) index into the namestring

// OBSOLETE          which indicates the debugging type symbol.  */

// OBSOLETE 

// OBSOLETE       switch (p[1])

// OBSOLETE         {

// OBSOLETE         case 'S':

// OBSOLETE           {

// OBSOLETE             unsigned long valu;

// OBSOLETE             enum language tmp_language;

// OBSOLETE             char *str, *p;

// OBSOLETE             int n;

// OBSOLETE 

// OBSOLETE             valu = CUR_SYMBOL_VALUE;

// OBSOLETE             if (valu)

// OBSOLETE               valu += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));

// OBSOLETE             past_first_source_file = 1;

// OBSOLETE 

// OBSOLETE             p = strchr (namestring, ':');

// OBSOLETE             if (p)

// OBSOLETE               n = p - namestring;

// OBSOLETE             else

// OBSOLETE               n = strlen (namestring);

// OBSOLETE             str = alloca (n + 1);

// OBSOLETE             strncpy (str, namestring, n);

// OBSOLETE             str[n] = '\0';

// OBSOLETE 

// OBSOLETE             if (psymfile_depth == 0)

// OBSOLETE               {

// OBSOLETE                 if (!pst)

// OBSOLETE                   pst = os9k_start_psymtab (objfile,

// OBSOLETE                                             str, valu,

// OBSOLETE                                             cursymoffset,

// OBSOLETE                                             symnum - 1,

// OBSOLETE                                           objfile->global_psymbols.next,

// OBSOLETE                                          objfile->static_psymbols.next);

// OBSOLETE               }

// OBSOLETE             else

// OBSOLETE               {             /* this is a include file */

// OBSOLETE                 tmp_language = deduce_language_from_filename (str);

// OBSOLETE                 if (tmp_language != language_unknown

// OBSOLETE                     && (tmp_language != language_c

// OBSOLETE                         || psymtab_language != language_cplus))

// OBSOLETE                   psymtab_language = tmp_language;

// OBSOLETE 

// OBSOLETE /*

// OBSOLETE    if (pst && STREQ (str, pst->filename))

// OBSOLETE    continue;

// OBSOLETE    {

// OBSOLETE    register int i;

// OBSOLETE    for (i = 0; i < includes_used; i++)

// OBSOLETE    if (STREQ (str, psymtab_include_list[i]))

// OBSOLETE    {

// OBSOLETE    i = -1; 

// OBSOLETE    break;

// OBSOLETE    }

// OBSOLETE    if (i == -1)

// OBSOLETE    continue;

// OBSOLETE    }

// OBSOLETE  */

// OBSOLETE 

// OBSOLETE                 psymtab_include_list[includes_used++] = str;

// OBSOLETE                 if (includes_used >= includes_allocated)

// OBSOLETE                   {

// OBSOLETE                     char **orig = psymtab_include_list;

// OBSOLETE 

// OBSOLETE                     psymtab_include_list = (char **)

// OBSOLETE                       alloca ((includes_allocated *= 2) * sizeof (char *));

// OBSOLETE                     memcpy ((PTR) psymtab_include_list, (PTR) orig,

// OBSOLETE                             includes_used * sizeof (char *));

// OBSOLETE                   }

// OBSOLETE 

// OBSOLETE               }

// OBSOLETE             psymfile_depth++;

// OBSOLETE             continue;

// OBSOLETE           }

// OBSOLETE 

// OBSOLETE         case 'v':

// OBSOLETE           add_psymbol_to_list (namestring, p - namestring,

// OBSOLETE                                VAR_NAMESPACE, LOC_STATIC,

// OBSOLETE                                &objfile->static_psymbols,

// OBSOLETE                                0, CUR_SYMBOL_VALUE,

// OBSOLETE                                psymtab_language, objfile);

// OBSOLETE           continue;

// OBSOLETE         case 'V':

// OBSOLETE           add_psymbol_to_list (namestring, p - namestring,

// OBSOLETE                                VAR_NAMESPACE, LOC_STATIC,

// OBSOLETE                                &objfile->global_psymbols,

// OBSOLETE                                0, CUR_SYMBOL_VALUE,

// OBSOLETE                                psymtab_language, objfile);

// OBSOLETE           continue;

// OBSOLETE 

// OBSOLETE         case 'T':

// OBSOLETE           if (p != namestring)      /* a name is there, not just :T... */

// OBSOLETE             {

// OBSOLETE               add_psymbol_to_list (namestring, p - namestring,

// OBSOLETE                                    STRUCT_NAMESPACE, LOC_TYPEDEF,

// OBSOLETE                                    &objfile->static_psymbols,

// OBSOLETE                                    CUR_SYMBOL_VALUE, 0,

// OBSOLETE                                    psymtab_language, objfile);

// OBSOLETE               if (p[2] == 't')

// OBSOLETE                 {

// OBSOLETE                   /* Also a typedef with the same name.  */

// OBSOLETE                   add_psymbol_to_list (namestring, p - namestring,

// OBSOLETE                                        VAR_NAMESPACE, LOC_TYPEDEF,

// OBSOLETE                                        &objfile->static_psymbols,

// OBSOLETE                                   CUR_SYMBOL_VALUE, 0, psymtab_language,

// OBSOLETE                                        objfile);

// OBSOLETE                   p += 1;

// OBSOLETE                 }

// OBSOLETE               /* The semantics of C++ state that "struct foo { ... }"

// OBSOLETE                  also defines a typedef for "foo".  Unfortuantely, cfront

// OBSOLETE                  never makes the typedef when translating from C++ to C.

// OBSOLETE                  We make the typedef here so that "ptype foo" works as

// OBSOLETE                  expected for cfront translated code.  */

// OBSOLETE               else if (psymtab_language == language_cplus)

// OBSOLETE                 {

// OBSOLETE                   /* Also a typedef with the same name.  */

// OBSOLETE                   add_psymbol_to_list (namestring, p - namestring,

// OBSOLETE                                        VAR_NAMESPACE, LOC_TYPEDEF,

// OBSOLETE                                        &objfile->static_psymbols,

// OBSOLETE                                   CUR_SYMBOL_VALUE, 0, psymtab_language,

// OBSOLETE                                        objfile);

// OBSOLETE                 }

// OBSOLETE             }

// OBSOLETE           goto check_enum;

// OBSOLETE         case 't':

// OBSOLETE           if (p != namestring)      /* a name is there, not just :T... */

// OBSOLETE             {

// OBSOLETE               add_psymbol_to_list (namestring, p - namestring,

// OBSOLETE                                    VAR_NAMESPACE, LOC_TYPEDEF,

// OBSOLETE                                    &objfile->static_psymbols,

// OBSOLETE                                    CUR_SYMBOL_VALUE, 0,

// OBSOLETE                                    psymtab_language, objfile);

// OBSOLETE             }

// OBSOLETE         check_enum:

// OBSOLETE           /* If this is an enumerated type, we need to

// OBSOLETE              add all the enum constants to the partial symbol

// OBSOLETE              table.  This does not cover enums without names, e.g.

// OBSOLETE              "enum {a, b} c;" in C, but fortunately those are

// OBSOLETE              rare.  There is no way for GDB to find those from the

// OBSOLETE              enum type without spending too much time on it.  Thus

// OBSOLETE              to solve this problem, the compiler needs to put out the

// OBSOLETE              enum in a nameless type.  GCC2 does this.  */

// OBSOLETE 

// OBSOLETE           /* We are looking for something of the form

// OBSOLETE              <name> ":" ("t" | "T") [<number> "="] "e" <size>

// OBSOLETE              {<constant> ":" <value> ","} ";".  */

// OBSOLETE 

// OBSOLETE           /* Skip over the colon and the 't' or 'T'.  */

// OBSOLETE           p += 2;

// OBSOLETE           /* This type may be given a number.  Also, numbers can come

// OBSOLETE              in pairs like (0,26).  Skip over it.  */

// OBSOLETE           while ((*p >= '0' && *p <= '9')

// OBSOLETE                  || *p == '(' || *p == ',' || *p == ')'

// OBSOLETE                  || *p == '=')

// OBSOLETE             p++;

// OBSOLETE 

// OBSOLETE           if (*p++ == 'e')

// OBSOLETE             {

// OBSOLETE               /* We have found an enumerated type. skip size */

// OBSOLETE               while (*p >= '0' && *p <= '9')

// OBSOLETE                 p++;

// OBSOLETE               /* According to comments in read_enum_type

// OBSOLETE                  a comma could end it instead of a semicolon.

// OBSOLETE                  I don't know where that happens.

// OBSOLETE                  Accept either.  */

// OBSOLETE               while (*p && *p != ';' && *p != ',')

// OBSOLETE                 {

// OBSOLETE                   char *q;