Initial revision

1 files changed, 1098 insertions, 0 deletions

diff --git a/gdb/symmisc.c b/gdb/symmisc.c
new file mode 100644
index 00000000000..97d2f6e83cd
--- /dev/null
+++ b/gdb/symmisc.c
@@ -0,0 +1,1098 @@
+/* Do various things to symbol tables (other than lookup), for GDB.
+   Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 1998
+   Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+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 2 of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "symtab.h"
+#include "gdbtypes.h"
+#include "bfd.h"
+#include "symfile.h"
+#include "objfiles.h"
+#include "breakpoint.h"
+#include "command.h"
+#include "obstack.h"
+#include "language.h"
+#include "bcache.h"
+
+#include "gdb_string.h"
+
+#ifndef DEV_TTY
+#define DEV_TTY "/dev/tty"
+#endif
+
+/* Unfortunately for debugging, stderr is usually a macro.  This is painful
+   when calling functions that take FILE *'s from the debugger.
+   So we make a variable which has the same value and which is accessible when
+   debugging GDB with itself.  Because stdin et al need not be constants,
+   we initialize them in the _initialize_symmisc function at the bottom
+   of the file.  */
+FILE *std_in;
+FILE *std_out;
+FILE *std_err;
+
+/* Prototypes for local functions */
+
+static void dump_symtab PARAMS ((struct objfile *, struct symtab *, 
+                                 GDB_FILE *));
+
+static void dump_psymtab PARAMS ((struct objfile *, struct partial_symtab *, 
+                                  GDB_FILE *));
+
+static void dump_msymbols PARAMS ((struct objfile *, GDB_FILE *));
+
+static void dump_objfile PARAMS ((struct objfile *));
+
+static int block_depth PARAMS ((struct block *));
+
+static void print_partial_symbols PARAMS ((struct partial_symbol **, int, 
+                                           char *, GDB_FILE *));
+
+static void free_symtab_block PARAMS ((struct objfile *, struct block *));
+
+void _initialize_symmisc PARAMS ((void));
+
+struct print_symbol_args {
+  struct symbol *symbol;
+  int depth;
+  GDB_FILE *outfile;
+};
+
+static int print_symbol PARAMS ((PTR));
+
+static void
+free_symtab_block PARAMS ((struct objfile *, struct block *));
+
+
+/* Free a struct block <- B and all the symbols defined in that block.  */
+
+static void
+free_symtab_block (objfile, b)
+     struct objfile *objfile;
+     struct block *b;
+{
+  register int i, n;
+  n = BLOCK_NSYMS (b);
+  for (i = 0; i < n; i++)
+    {
+      mfree (objfile -> md, SYMBOL_NAME (BLOCK_SYM (b, i)));
+      mfree (objfile -> md, (PTR) BLOCK_SYM (b, i));
+    }
+  mfree (objfile -> md, (PTR) b);
+}
+
+/* Free all the storage associated with the struct symtab <- S.
+   Note that some symtabs have contents malloc'ed structure by structure,
+   while some have contents that all live inside one big block of memory,
+   and some share the contents of another symbol table and so you should
+   not free the contents on their behalf (except sometimes the linetable,
+   which maybe per symtab even when the rest is not).
+   It is s->free_code that says which alternative to use.  */
+
+void
+free_symtab (s)
+     register struct symtab *s;
+{
+  register int i, n;
+  register struct blockvector *bv;
+
+  switch (s->free_code)
+    {
+    case free_nothing:
+      /* All the contents are part of a big block of memory (an obstack),
+	 and some other symtab is in charge of freeing that block.
+	 Therefore, do nothing.  */
+      break;
+
+    case free_contents:
+      /* Here all the contents were malloc'ed structure by structure
+	 and must be freed that way.  */
+      /* First free the blocks (and their symbols.  */
+      bv = BLOCKVECTOR (s);
+      n = BLOCKVECTOR_NBLOCKS (bv);
+      for (i = 0; i < n; i++)
+	free_symtab_block (s -> objfile, BLOCKVECTOR_BLOCK (bv, i));
+      /* Free the blockvector itself.  */
+      mfree (s -> objfile -> md, (PTR) bv);
+      /* Also free the linetable.  */
+      
+    case free_linetable:
+      /* Everything will be freed either by our `free_ptr'
+	 or by some other symtab, except for our linetable.
+	 Free that now.  */
+      if (LINETABLE (s))
+	mfree (s -> objfile -> md, (PTR) LINETABLE (s));
+      break;
+    }
+
+  /* If there is a single block of memory to free, free it.  */
+  if (s -> free_ptr != NULL)
+    mfree (s -> objfile -> md, s -> free_ptr);
+
+  /* Free source-related stuff */
+  if (s -> line_charpos != NULL)
+    mfree (s -> objfile -> md, (PTR) s -> line_charpos);
+  if (s -> fullname != NULL)
+    mfree (s -> objfile -> md, s -> fullname);
+  if (s -> debugformat != NULL)
+    mfree (s -> objfile -> md, s -> debugformat);
+  mfree (s -> objfile -> md, (PTR) s);
+}
+
+#if MAINTENANCE_CMDS
+
+void
+print_symbol_bcache_statistics ()
+{
+  struct objfile *objfile;
+
+  immediate_quit++;
+  ALL_OBJFILES (objfile)
+    {
+      printf_filtered ("Byte cache statistics for '%s':\n", objfile -> name);
+      print_bcache_statistics (&objfile -> psymbol_cache, "partial symbol cache");
+    }
+  immediate_quit--;
+}
+
+void
+print_objfile_statistics ()
+{
+  struct objfile *objfile;
+
+  immediate_quit++;
+  ALL_OBJFILES (objfile)
+    {
+      printf_filtered ("Statistics for '%s':\n", objfile -> name);
+      if (OBJSTAT (objfile, n_stabs) > 0)
+	printf_filtered ("  Number of \"stab\" symbols read: %d\n",
+			 OBJSTAT (objfile, n_stabs));
+      if (OBJSTAT (objfile, n_minsyms) > 0)
+	printf_filtered ("  Number of \"minimal\" symbols read: %d\n",
+			 OBJSTAT (objfile, n_minsyms));
+      if (OBJSTAT (objfile, n_psyms) > 0)
+	printf_filtered ("  Number of \"partial\" symbols read: %d\n",
+			 OBJSTAT (objfile, n_psyms));
+      if (OBJSTAT (objfile, n_syms) > 0)
+	printf_filtered ("  Number of \"full\" symbols read: %d\n",
+			 OBJSTAT (objfile, n_syms));
+      if (OBJSTAT (objfile, n_types) > 0)
+	printf_filtered ("  Number of \"types\" defined: %d\n",
+			 OBJSTAT (objfile, n_types));
+      if (OBJSTAT (objfile, sz_strtab) > 0)
+	printf_filtered ("  Space used by a.out string tables: %d\n",
+			 OBJSTAT (objfile, sz_strtab));
+      printf_filtered ("  Total memory used for psymbol obstack: %d\n",
+		       obstack_memory_used (&objfile -> psymbol_obstack));
+      printf_filtered ("  Total memory used for psymbol cache: %d\n",
+		       obstack_memory_used (&objfile -> psymbol_cache.cache));
+      printf_filtered ("  Total memory used for symbol obstack: %d\n",
+		       obstack_memory_used (&objfile -> symbol_obstack));
+      printf_filtered ("  Total memory used for type obstack: %d\n",
+		       obstack_memory_used (&objfile -> type_obstack));
+    }
+  immediate_quit--;
+}
+
+static void 
+dump_objfile (objfile)
+     struct objfile *objfile;
+{
+  struct symtab *symtab;
+  struct partial_symtab *psymtab;
+
+  printf_filtered ("\nObject file %s:  ", objfile -> name);
+  printf_filtered ("Objfile at ");
+  gdb_print_address (objfile, gdb_stdout);
+  printf_filtered (", bfd at ");
+  gdb_print_address (objfile->obfd, gdb_stdout);
+  printf_filtered (", %d minsyms\n\n",
+		   objfile->minimal_symbol_count);
+
+  if (objfile -> psymtabs)
+    {
+      printf_filtered ("Psymtabs:\n");
+      for (psymtab = objfile -> psymtabs;
+	   psymtab != NULL;
+	   psymtab = psymtab -> next)
+	{
+	  printf_filtered ("%s at ",
+			   psymtab -> filename);
+	  gdb_print_address (psymtab, gdb_stdout);
+	  printf_filtered (", ");
+	  if (psymtab -> objfile != objfile)
+	    {
+	      printf_filtered ("NOT ON CHAIN!  ");
+	    }
+	  wrap_here ("  ");
+	}
+      printf_filtered ("\n\n");
+    }
+
+  if (objfile -> symtabs)
+    {
+      printf_filtered ("Symtabs:\n");
+      for (symtab = objfile -> symtabs;
+	   symtab != NULL;
+	   symtab = symtab->next)
+	{
+	  printf_filtered ("%s at ", symtab -> filename);
+	  gdb_print_address (symtab, gdb_stdout);
+	  printf_filtered (", ");
+	  if (symtab -> objfile != objfile)
+	    {
+	      printf_filtered ("NOT ON CHAIN!  ");
+	    }
+	  wrap_here ("  ");
+	}
+      printf_filtered ("\n\n");
+    }
+}
+
+/* Print minimal symbols from this objfile.  */
+ 
+static void 
+dump_msymbols (objfile, outfile)
+     struct objfile *objfile;
+     GDB_FILE *outfile;
+{
+  struct minimal_symbol *msymbol;
+  int index;
+  char ms_type;
+  
+  fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile -> name);
+  if (objfile -> minimal_symbol_count == 0)
+    {
+      fprintf_filtered (outfile, "No minimal symbols found.\n");
+      return;
+    }
+  for (index = 0, msymbol = objfile -> msymbols;
+       SYMBOL_NAME (msymbol) != NULL; msymbol++, index++)
+    {
+      switch (msymbol -> type)
+	{
+	  case mst_unknown:
+	    ms_type = 'u';
+	    break;
+	  case mst_text:
+	    ms_type = 'T';
+	    break;
+	  case mst_solib_trampoline:
+	    ms_type = 'S';
+	    break;
+	  case mst_data:
+	    ms_type = 'D';
+	    break;
+	  case mst_bss:
+	    ms_type = 'B';
+	    break;
+	  case mst_abs:
+	    ms_type = 'A';
+	    break;
+	  case mst_file_text:
+	    ms_type = 't';
+	    break;
+	  case mst_file_data:
+	    ms_type = 'd';
+	    break;
+	  case mst_file_bss:
+	    ms_type = 'b';
+	    break;
+	  default:
+	    ms_type = '?';
+	    break;
+	}
+      fprintf_filtered (outfile, "[%2d] %c ", index, ms_type);
+      print_address_numeric (SYMBOL_VALUE_ADDRESS (msymbol), 1, outfile);
+      fprintf_filtered (outfile, " %s", SYMBOL_NAME (msymbol));
+      if (SYMBOL_BFD_SECTION (msymbol))
+	fprintf_filtered (outfile, " section %s",
+			  bfd_section_name (objfile->obfd,
+					    SYMBOL_BFD_SECTION (msymbol)));
+      if (SYMBOL_DEMANGLED_NAME (msymbol) != NULL)
+	{
+	  fprintf_filtered (outfile, "  %s", SYMBOL_DEMANGLED_NAME (msymbol));
+	}
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+      if (msymbol->filename)
+	fprintf_filtered (outfile, "  %s", msymbol->filename);
+#endif
+      fputs_filtered ("\n", outfile);
+    }
+  if (objfile -> minimal_symbol_count != index)
+    {
+      warning ("internal error:  minimal symbol count %d != %d",
+	       objfile -> minimal_symbol_count, index);
+    }
+  fprintf_filtered (outfile, "\n");
+}
+
+static void
+dump_psymtab (objfile, psymtab, outfile)
+     struct objfile *objfile;
+     struct partial_symtab *psymtab;
+     GDB_FILE *outfile;
+{
+  int i;
+
+  fprintf_filtered (outfile, "\nPartial symtab for source file %s ",
+		    psymtab -> filename);
+  fprintf_filtered (outfile, "(object ");
+  gdb_print_address (psymtab, outfile);
+  fprintf_filtered (outfile, ")\n\n");
+  fprintf_unfiltered (outfile, "  Read from object file %s (",
+		      objfile -> name);
+  gdb_print_address (objfile, outfile);
+  fprintf_unfiltered (outfile, ")\n");
+
+  if (psymtab -> readin)
+    {
+      fprintf_filtered (outfile,
+		"  Full symtab was read (at ");
+      gdb_print_address (psymtab->symtab, outfile);
+      fprintf_filtered (outfile, " by function at ");
+      gdb_print_address ((PTR)psymtab->read_symtab, outfile);
+      fprintf_filtered (outfile, ")\n");
+    }
+
+  fprintf_filtered (outfile, "  Relocate symbols by ");
+  for (i = 0; i < psymtab->objfile->num_sections; ++i)
+    {
+      if (i != 0)
+	fprintf_filtered (outfile, ", ");
+      wrap_here ("    ");
+      print_address_numeric (ANOFFSET (psymtab->section_offsets, i),
+			     1,
+			     outfile);
+    }
+  fprintf_filtered (outfile, "\n");
+
+  fprintf_filtered (outfile, "  Symbols cover text addresses ");
+  print_address_numeric (psymtab->textlow, 1, outfile);
+  fprintf_filtered (outfile, "-");
+  print_address_numeric (psymtab->texthigh, 1, outfile);
+  fprintf_filtered (outfile, "\n");
+  fprintf_filtered (outfile, "  Depends on %d other partial symtabs.\n",
+		    psymtab -> number_of_dependencies);
+  for (i = 0; i < psymtab -> number_of_dependencies; i++)
+    {
+      fprintf_filtered (outfile, "    %d ", i);
+      gdb_print_address (psymtab -> dependencies[i], outfile);
+      fprintf_filtered (outfile, " %s\n",
+			psymtab -> dependencies[i] -> filename);
+    }
+  if (psymtab -> n_global_syms > 0)
+    {
+      print_partial_symbols (objfile -> global_psymbols.list
+			    + psymtab -> globals_offset,
+			    psymtab -> n_global_syms, "Global", outfile);
+    }
+  if (psymtab -> n_static_syms > 0)
+    {
+      print_partial_symbols (objfile -> static_psymbols.list
+			    + psymtab -> statics_offset,
+			    psymtab -> n_static_syms, "Static", outfile);
+    }
+  fprintf_filtered (outfile, "\n");
+}
+
+static void 
+dump_symtab (objfile, symtab, outfile)
+     struct objfile *objfile;
+     struct symtab *symtab;
+     GDB_FILE *outfile;
+{
+  register int i, j;
+  int len, blen;
+  register struct linetable *l;
+  struct blockvector *bv;
+  register struct block *b;
+  int depth;
+
+  fprintf_filtered (outfile, "\nSymtab for file %s\n", symtab->filename);
+  if (symtab->dirname)
+    fprintf_filtered (outfile, "Compilation directory is %s\n",
+		      symtab->dirname);
+  fprintf_filtered (outfile, "Read from object file %s (", objfile->name);
+  gdb_print_address (objfile, outfile);
+  fprintf_filtered (outfile, ")\n");
+  fprintf_filtered (outfile, "Language: %s\n", language_str (symtab->language));
+
+  /* First print the line table.  */
+  l = LINETABLE (symtab);
+  if (l)
+    {
+      fprintf_filtered (outfile, "\nLine table:\n\n");
+      len = l->nitems;
+      for (i = 0; i < len; i++)
+	{
+	  fprintf_filtered (outfile, " line %d at ", l->item[i].line);
+	  print_address_numeric (l->item[i].pc, 1, outfile);
+	  fprintf_filtered (outfile, "\n");
+	}
+    }
+  /* Now print the block info, but only for primary symtabs since we will
+     print lots of duplicate info otherwise. */
+  if (symtab -> primary)
+    {
+      fprintf_filtered (outfile, "\nBlockvector:\n\n");
+      bv = BLOCKVECTOR (symtab);
+      len = BLOCKVECTOR_NBLOCKS (bv);
+      for (i = 0; i < len; i++)
+	{
+	  b = BLOCKVECTOR_BLOCK (bv, i);
+	  depth = block_depth (b) * 2;
+	  print_spaces (depth, outfile);
+	  fprintf_filtered (outfile, "block #%03d, object at ", i);
+	  gdb_print_address (b, outfile);
+	  if (BLOCK_SUPERBLOCK (b))
+	    {
+	      fprintf_filtered (outfile, " under ");
+	      gdb_print_address (BLOCK_SUPERBLOCK (b), outfile);
+	    }
+	  blen = BLOCK_NSYMS (b);
+	  fprintf_filtered (outfile, ", %d syms in ", blen);
+	  print_address_numeric (BLOCK_START (b), 1, outfile);
+	  fprintf_filtered (outfile, "..");
+	  print_address_numeric (BLOCK_END (b), 1, outfile);
+	  if (BLOCK_FUNCTION (b))
+	    {
+	      fprintf_filtered (outfile, ", function %s", SYMBOL_NAME (BLOCK_FUNCTION (b)));
+	      if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL)
+		{
+		  fprintf_filtered (outfile, ", %s",
+				    SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)));
+		}
+	    }
+	  if (BLOCK_GCC_COMPILED(b))
+	    fprintf_filtered (outfile, ", compiled with gcc%d", BLOCK_GCC_COMPILED(b));
+	  fprintf_filtered (outfile, "\n");
+	  /* Now print each symbol in this block */
+	  for (j = 0; j < blen; j++)
+	    {
+	      struct print_symbol_args s;
+	      s.symbol = BLOCK_SYM (b, j);
+	      s.depth = depth + 1;
+	      s.outfile = outfile;
+	      catch_errors (print_symbol, &s, "Error printing symbol:\n",
+			    RETURN_MASK_ALL);
+	    }
+	}
+      fprintf_filtered (outfile, "\n");
+    }
+  else
+    {
+      fprintf_filtered (outfile, "\nBlockvector same as previous symtab\n\n");
+    }
+}
+
+void
+maintenance_print_symbols (args, from_tty)
+     char *args;
+     int from_tty;
+{
+  char **argv;
+  GDB_FILE *outfile;
+  struct cleanup *cleanups;
+  char *symname = NULL;
+  char *filename = DEV_TTY;
+  struct objfile *objfile;
+  struct symtab *s;
+
+  dont_repeat ();
+
+  if (args == NULL)
+    {
+      error ("\
+Arguments missing: an output file name and an optional symbol file name");
+    }
+  else if ((argv = buildargv (args)) == NULL)
+    {
+      nomem (0);
+    }
+  cleanups = make_cleanup ((make_cleanup_func) freeargv, (char *) argv);
+
+  if (argv[0] != NULL)
+    {
+      filename = argv[0];
+      /* If a second arg is supplied, it is a source file name to match on */
+      if (argv[1] != NULL)
+	{
+	  symname = argv[1];
+	}
+    }
+
+  filename = tilde_expand (filename);
+  make_cleanup (free, filename);
+  
+  outfile = gdb_fopen (filename, FOPEN_WT);
+  if (outfile == 0)
+    perror_with_name (filename);
+  make_cleanup ((make_cleanup_func) gdb_fclose, (char *) &outfile);
+
+  immediate_quit++;
+  ALL_SYMTABS (objfile, s)
+    if (symname == NULL || (STREQ (symname, s -> filename)))
+      dump_symtab (objfile, s, outfile);
+  immediate_quit--;
+  do_cleanups (cleanups);
+}
+
+/* Print symbol ARGS->SYMBOL on ARGS->OUTFILE.  ARGS->DEPTH says how
+   far to indent.  ARGS is really a struct print_symbol_args *, but is
+   declared as char * to get it past catch_errors.  Returns 0 for error,
+   1 for success.  */
+
+static int
+print_symbol (args)
+     PTR args;
+{
+  struct symbol *symbol = ((struct print_symbol_args *)args)->symbol;
+  int depth = ((struct print_symbol_args *)args)->depth;
+  GDB_FILE *outfile = ((struct print_symbol_args *)args)->outfile;
+
+  print_spaces (depth, outfile);
+  if (SYMBOL_NAMESPACE (symbol) == LABEL_NAMESPACE)
+    {
+      fprintf_filtered (outfile, "label %s at ", SYMBOL_SOURCE_NAME (symbol));
+      print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), 1, outfile);
+      if (SYMBOL_BFD_SECTION (symbol))
+	fprintf_filtered (outfile, " section %s\n",
+			  bfd_section_name (SYMBOL_BFD_SECTION (symbol)->owner,
+					    SYMBOL_BFD_SECTION (symbol)));
+      else
+	fprintf_filtered (outfile, "\n");
+      return 1;
+    }
+  if (SYMBOL_NAMESPACE (symbol) == STRUCT_NAMESPACE)
+    {
+      if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol)))
+	{
+	  LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
+	}
+      else
+	{
+	  fprintf_filtered (outfile, "%s %s = ",
+	       (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_ENUM
+		? "enum"
+		: (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_STRUCT
+		   ? "struct" : "union")),
+	       SYMBOL_NAME (symbol));
+	  LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
+	}
+      fprintf_filtered (outfile, ";\n");
+    }
+  else
+    {
+      if (SYMBOL_CLASS (symbol) == LOC_TYPEDEF)
+	fprintf_filtered (outfile, "typedef ");
+      if (SYMBOL_TYPE (symbol))
+	{
+	  /* Print details of types, except for enums where it's clutter.  */
+	  LA_PRINT_TYPE (SYMBOL_TYPE (symbol), SYMBOL_SOURCE_NAME (symbol),
+			 outfile,
+			 TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM,
+			 depth);
+	  fprintf_filtered (outfile, "; ");
+	}
+      else
+	fprintf_filtered (outfile, "%s ", SYMBOL_SOURCE_NAME (symbol));
+
+      switch (SYMBOL_CLASS (symbol))
+	{
+	case LOC_CONST:
+	  fprintf_filtered (outfile, "const %ld (0x%lx)",
+			    SYMBOL_VALUE (symbol),
+			    SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_CONST_BYTES:
+	  {
+	    unsigned i;
+	    struct type *type = check_typedef (SYMBOL_TYPE (symbol));
+	    fprintf_filtered (outfile, "const %u hex bytes:",
+			      TYPE_LENGTH (type));
+	    for (i = 0; i < TYPE_LENGTH (type); i++)
+	      fprintf_filtered (outfile, " %02x",
+				(unsigned)SYMBOL_VALUE_BYTES (symbol) [i]);
+	  }
+	  break;
+
+	case LOC_STATIC:
+	  fprintf_filtered (outfile, "static at ");
+	  print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), 1,outfile);
+	  if (SYMBOL_BFD_SECTION (symbol))
+	    fprintf_filtered (outfile, " section %s",
+			      bfd_section_name
+			      (SYMBOL_BFD_SECTION (symbol)->owner,
+			       SYMBOL_BFD_SECTION (symbol)));
+	  break;
+
+	case LOC_INDIRECT:
+	  fprintf_filtered (outfile, "extern global at *(");
+	  print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), 1,outfile);
+	  fprintf_filtered (outfile, "),");
+	  break;
+
+	case LOC_REGISTER:
+	  fprintf_filtered (outfile, "register %ld", SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_ARG:
+	  fprintf_filtered (outfile, "arg at offset 0x%lx",
+			    SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_LOCAL_ARG:
+	  fprintf_filtered (outfile, "arg at offset 0x%lx from fp",
+		   SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_REF_ARG:
+	  fprintf_filtered (outfile, "reference arg at 0x%lx", SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_REGPARM:
+	  fprintf_filtered (outfile, "parameter register %ld", SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_REGPARM_ADDR:
+	  fprintf_filtered (outfile, "address parameter register %ld", SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_LOCAL:
+	  fprintf_filtered (outfile, "local at offset 0x%lx",
+			    SYMBOL_VALUE (symbol));
+	  break;
+
+	case LOC_BASEREG:
+	  fprintf_filtered (outfile, "local at 0x%lx from register %d",
+		   SYMBOL_VALUE (symbol), SYMBOL_BASEREG (symbol));
+	  break;
+
+	case LOC_BASEREG_ARG:
+	  fprintf_filtered (outfile, "arg at 0x%lx from register %d",
+		   SYMBOL_VALUE (symbol), SYMBOL_BASEREG (symbol));
+	  break;
+
+	case LOC_TYPEDEF:
+	  break;
+
+	case LOC_LABEL:
+	  fprintf_filtered (outfile, "label at ");
+	  print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), 1, outfile);
+	  if (SYMBOL_BFD_SECTION (symbol))
+	    fprintf_filtered (outfile, " section %s",
+			      bfd_section_name
+			      (SYMBOL_BFD_SECTION (symbol)->owner,
+			       SYMBOL_BFD_SECTION (symbol)));
+	  break;
+
+	case LOC_BLOCK:
+	  fprintf_filtered (outfile, "block object ");
+	  gdb_print_address (SYMBOL_BLOCK_VALUE (symbol), outfile);
+	  fprintf_filtered (outfile, ", ");
+	  print_address_numeric (BLOCK_START (SYMBOL_BLOCK_VALUE (symbol)),
+				 1,
+				 outfile);
+	  fprintf_filtered (outfile, "..");
+	  print_address_numeric (BLOCK_END (SYMBOL_BLOCK_VALUE (symbol)),
+				 1,
+				 outfile);
+	  if (SYMBOL_BFD_SECTION (symbol))
+	    fprintf_filtered (outfile, " section %s",
+			      bfd_section_name
+			      (SYMBOL_BFD_SECTION (symbol)->owner,
+			       SYMBOL_BFD_SECTION (symbol)));
+	  break;
+
+	case LOC_UNRESOLVED:
+	  fprintf_filtered (outfile, "unresolved");
+	  break;
+
+	case LOC_OPTIMIZED_OUT:
+	  fprintf_filtered (outfile, "optimized out");
+	  break;
+
+        default:
+	  fprintf_filtered (outfile, "botched symbol class %x",
+			    SYMBOL_CLASS (symbol));
+	  break;
+	}
+    }
+  fprintf_filtered (outfile, "\n");
+  return 1;
+}
+
+void
+maintenance_print_psymbols (args, from_tty)
+     char *args;
+     int from_tty;
+{
+  char **argv;
+  GDB_FILE  *outfile;
+  struct cleanup *cleanups;
+  char *symname = NULL;
+  char *filename = DEV_TTY;
+  struct objfile *objfile;
+  struct partial_symtab *ps;
+
+  dont_repeat ();
+
+  if (args == NULL)
+    {
+      error ("print-psymbols takes an output file name and optional symbol file name");
+    }
+  else if ((argv = buildargv (args)) == NULL)
+    {
+      nomem (0);
+    }
+  cleanups = make_cleanup ((make_cleanup_func) freeargv, (char *) argv);
+
+  if (argv[0] != NULL)
+    {
+      filename = argv[0];
+      /* If a second arg is supplied, it is a source file name to match on */
+      if (argv[1] != NULL)
+	{
+	  symname = argv[1];
+	}
+    }
+
+  filename = tilde_expand (filename);
+  make_cleanup (free, filename);
+  
+  outfile = gdb_fopen (filename, FOPEN_WT);
+  if (outfile == 0)
+    perror_with_name (filename);
+  make_cleanup ((make_cleanup_func) gdb_fclose, &outfile);
+
+  immediate_quit++;
+  ALL_PSYMTABS (objfile, ps)
+    if (symname == NULL || (STREQ (symname, ps -> filename)))
+      dump_psymtab (objfile, ps, outfile);
+  immediate_quit--;
+  do_cleanups (cleanups);
+}
+
+static void
+print_partial_symbols (p, count, what, outfile)
+     struct partial_symbol **p;
+     int count;
+     char *what;
+     GDB_FILE *outfile;
+{
+  fprintf_filtered (outfile, "  %s partial symbols:\n", what);
+  while (count-- > 0)
+    {
+      fprintf_filtered (outfile, "    `%s'", SYMBOL_NAME(*p));
+      if (SYMBOL_DEMANGLED_NAME (*p) != NULL)
+	{
+	  fprintf_filtered (outfile, "  `%s'", SYMBOL_DEMANGLED_NAME (*p));
+	}
+      fputs_filtered (", ", outfile);
+      switch (SYMBOL_NAMESPACE (*p))
+	{
+	case UNDEF_NAMESPACE:
+	  fputs_filtered ("undefined namespace, ", outfile);
+	  break;
+	case VAR_NAMESPACE:
+	  /* This is the usual thing -- don't print it */
+	  break;
+	case STRUCT_NAMESPACE:
+	  fputs_filtered ("struct namespace, ", outfile);
+	  break;
+	case LABEL_NAMESPACE:
+	  fputs_filtered ("label namespace, ", outfile);
+	  break;
+	default:
+	  fputs_filtered ("<invalid namespace>, ", outfile);
+	  break;
+	}
+      switch (SYMBOL_CLASS (*p))
+	{
+	case LOC_UNDEF:
+	  fputs_filtered ("undefined", outfile);
+	  break;
+	case LOC_CONST:
+	  fputs_filtered ("constant int", outfile);
+	  break;
+	case LOC_STATIC:
+	  fputs_filtered ("static", outfile);
+	  break;
+	case LOC_INDIRECT:
+	  fputs_filtered ("extern global", outfile);
+	  break;
+	case LOC_REGISTER:
+	  fputs_filtered ("register", outfile);
+	  break;
+	case LOC_ARG:
+	  fputs_filtered ("pass by value", outfile);
+	  break;
+	case LOC_REF_ARG:
+	  fputs_filtered ("pass by reference", outfile);
+	  break;
+	case LOC_REGPARM:
+	  fputs_filtered ("register parameter", outfile);
+	  break;
+	case LOC_REGPARM_ADDR:
+	  fputs_filtered ("register address parameter", outfile);
+	  break;
+	case LOC_LOCAL:
+	  fputs_filtered ("stack parameter", outfile);
+	  break;
+	case LOC_TYPEDEF:
+	  fputs_filtered ("type", outfile);
+	  break;
+	case LOC_LABEL:
+	  fputs_filtered ("label", outfile);
+	  break;
+	case LOC_BLOCK:
+	  fputs_filtered ("function", outfile);
+	  break;
+	case LOC_CONST_BYTES:
+	  fputs_filtered ("constant bytes", outfile);
+	  break;
+	case LOC_LOCAL_ARG:
+	  fputs_filtered ("shuffled arg", outfile);
+	  break;
+	case LOC_UNRESOLVED:
+	  fputs_filtered ("unresolved", outfile);
+	  break;
+	case LOC_OPTIMIZED_OUT:
+	  fputs_filtered ("optimized out", outfile);
+	  break;
+	default:
+	  fputs_filtered ("<invalid location>", outfile);
+	  break;
+	}
+      fputs_filtered (", ", outfile);
+      print_address_numeric (SYMBOL_VALUE_ADDRESS (*p), 1, outfile);
+      fprintf_filtered (outfile, "\n");
+      p++;
+    }
+}
+
+void
+maintenance_print_msymbols (args, from_tty)
+     char *args;
+     int from_tty;
+{
+  char **argv;
+  GDB_FILE *outfile;
+  struct cleanup *cleanups;
+  char *filename = DEV_TTY;
+  char *symname = NULL;
+  struct objfile *objfile;
+
+  dont_repeat ();
+
+  if (args == NULL)
+    {
+      error ("print-msymbols takes an output file name and optional symbol file name");
+    }
+  else if ((argv = buildargv (args)) == NULL)
+    {
+      nomem (0);
+    }
+  cleanups = make_cleanup ((make_cleanup_func) freeargv, argv);
+
+  if (argv[0] != NULL)
+    {
+      filename = argv[0];
+      /* If a second arg is supplied, it is a source file name to match on */
+      if (argv[1] != NULL)
+	{
+	  symname = argv[1];
+	}
+    }
+
+  filename = tilde_expand (filename);
+  make_cleanup (free, filename);
+  
+  outfile = gdb_fopen (filename, FOPEN_WT);
+  if (outfile == 0)
+    perror_with_name (filename);
+  make_cleanup ((make_cleanup_func) gdb_fclose, &outfile);
+
+  immediate_quit++;
+  ALL_OBJFILES (objfile)
+    if (symname == NULL || (STREQ (symname, objfile -> name)))
+      dump_msymbols (objfile, outfile);
+  immediate_quit--;
+  fprintf_filtered (outfile, "\n\n");
+  do_cleanups (cleanups);
+}
+
+void
+maintenance_print_objfiles (ignore, from_tty)
+     char *ignore;
+     int from_tty;
+{
+  struct objfile *objfile;
+
+  dont_repeat ();
+
+  immediate_quit++;
+  ALL_OBJFILES (objfile)
+    dump_objfile (objfile);
+  immediate_quit--;
+}
+
+/* Check consistency of psymtabs and symtabs.  */
+
+void
+maintenance_check_symtabs (ignore, from_tty)
+     char *ignore;
+     int from_tty;
+{
+  register struct symbol *sym;
+  register struct partial_symbol **psym;
+  register struct symtab *s = NULL;
+  register struct partial_symtab *ps;
+  struct blockvector *bv;
+  register struct objfile *objfile;
+  register struct block *b;
+  int length;
+
+  ALL_PSYMTABS (objfile, ps)
+    {
+      s = PSYMTAB_TO_SYMTAB(ps);
+      if (s == NULL)
+	continue;
+      bv = BLOCKVECTOR (s);
+      b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+      psym = ps->objfile->static_psymbols.list + ps->statics_offset;
+      length = ps->n_static_syms;
+      while (length--)
+	{
+	  sym = lookup_block_symbol (b, SYMBOL_NAME (*psym),
+				     SYMBOL_NAMESPACE (*psym));
+	  if (!sym)
+	    {
+	      printf_filtered ("Static symbol `");
+	      puts_filtered (SYMBOL_NAME (*psym));
+	      printf_filtered ("' only found in ");
+	      puts_filtered (ps->filename);
+	      printf_filtered (" psymtab\n");
+	    }
+	  psym++;
+	}
+      b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
+      psym = ps->objfile->global_psymbols.list + ps->globals_offset;
+      length = ps->n_global_syms;
+      while (length--)
+	{
+	  sym = lookup_block_symbol (b, SYMBOL_NAME (*psym),
+				     SYMBOL_NAMESPACE (*psym));
+	  if (!sym)
+	    {
+	      printf_filtered ("Global symbol `");
+	      puts_filtered (SYMBOL_NAME (*psym));
+	      printf_filtered ("' only found in ");
+	      puts_filtered (ps->filename);
+	      printf_filtered (" psymtab\n");
+	    }
+	  psym++;
+	}
+      if (ps->texthigh < ps->textlow)
+	{
+	  printf_filtered ("Psymtab ");
+	  puts_filtered (ps->filename);
+	  printf_filtered (" covers bad range ");
+          print_address_numeric (ps->textlow, 1, gdb_stdout);
+	  printf_filtered (" - ");
+          print_address_numeric (ps->texthigh, 1, gdb_stdout);
+	  printf_filtered ("\n");
+	  continue;
+	}
+      if (ps->texthigh == 0)
+	continue;
+      if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b))
+	{
+	  printf_filtered ("Psymtab ");
+	  puts_filtered (ps->filename);
+	  printf_filtered (" covers ");
+          print_address_numeric (ps->textlow, 1, gdb_stdout);
+	  printf_filtered (" - ");
+          print_address_numeric (ps->texthigh, 1, gdb_stdout);
+	  printf_filtered (" but symtab covers only ");
+          print_address_numeric (BLOCK_START (b), 1, gdb_stdout);
+	  printf_filtered (" - ");
+          print_address_numeric (BLOCK_END (b), 1, gdb_stdout);
+	  printf_filtered ("\n");
+	}
+    }
+}
+
+
+/* Return the nexting depth of a block within other blocks in its symtab.  */
+
+static int
+block_depth (block)
+     struct block *block;
+{
+  register int i = 0;
+  while ((block = BLOCK_SUPERBLOCK (block)) != NULL) 
+    {
+      i++;
+    }
+  return i;
+}
+
+#endif	/* MAINTENANCE_CMDS */
+
+
+/* Increase the space allocated for LISTP, which is probably
+   global_psymbols or static_psymbols. This space will eventually
+   be freed in free_objfile().  */
+
+void
+extend_psymbol_list (listp, objfile)
+     register struct psymbol_allocation_list *listp;
+     struct objfile *objfile;
+{
+  int new_size;
+  if (listp->size == 0)
+    {
+      new_size = 255;
+      listp->list = (struct partial_symbol **)
+	xmmalloc (objfile -> md, new_size * sizeof (struct partial_symbol *));
+    }
+  else
+    {
+      new_size = listp->size * 2;
+      listp->list = (struct partial_symbol **)
+	xmrealloc (objfile -> md, (char *) listp->list,
+		   new_size * sizeof (struct partial_symbol *));
+    }
+  /* Next assumes we only went one over.  Should be good if
+     program works correctly */
+  listp->next = listp->list + listp->size;
+  listp->size = new_size;
+}
+
+
+/* Do early runtime initializations. */
+void
+_initialize_symmisc ()
+{
+  std_in  = stdin;
+  std_out = stdout;
+  std_err = stderr;
+}