-/* Do various things to symbol tables (other than lookup)), for GDB.
- Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
+/* Do various things to symbol tables (other than lookup), for GDB.
+ Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
This file is part of GDB.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <stdio.h>
#include "defs.h"
-#include "param.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 <obstack.h>
-\f
-/* Free all the symtabs that are currently installed,
- and all storage associated with them.
- Leaves us in a consistent state with no symtabs installed. */
+#include <string.h>
-void
-free_all_symtabs ()
-{
- register struct symtab *s, *snext;
+#ifndef DEV_TTY
+#define DEV_TTY "/dev/tty"
+#endif
- /* All values will be invalid because their types will be! */
+/* Unfortunately for debugging, stderr is usually a macro. Better if we
+ make a variable which has the same value and which is accessible when
+ debugging GDB with itself. */
+FILE *std_in = stdin;
+FILE *std_out = stdout;
+FILE *std_err = stderr;
- clear_value_history ();
- clear_displays ();
- clear_internalvars ();
-#if defined (CLEAR_SOLIB)
- CLEAR_SOLIB ();
-#endif
- set_default_breakpoint (0, 0, 0, 0);
+/* Prototypes for local functions */
- current_source_symtab = 0;
+static void
+dump_symtab PARAMS ((struct objfile *, struct symtab *, FILE *));
- for (s = symtab_list; s; s = snext)
- {
- snext = s->next;
- free_symtab (s);
- }
- symtab_list = 0;
- obstack_free (symbol_obstack, 0);
- obstack_init (symbol_obstack);
-
- if (misc_function_vector)
- free (misc_function_vector);
- misc_function_count = 0;
- misc_function_vector = 0;
- clear_pc_function_cache();
-}
+static void
+dump_psymtab PARAMS ((struct objfile *, struct partial_symtab *, FILE *));
+
+static void
+dump_msymbols PARAMS ((struct objfile *, FILE *));
+
+static void
+dump_objfile PARAMS ((struct objfile *));
+
+static void
+printobjfiles_command PARAMS ((char *, int));
+
+static int
+block_depth PARAMS ((struct block *));
+
+static void
+print_partial_symbol PARAMS ((struct partial_symbol *, int, char *, FILE *));
+
+static void
+printpsyms_command PARAMS ((char *, int));
+
+static void
+print_symbol PARAMS ((struct symbol *, int, FILE *));
+
+static void
+printsyms_command PARAMS ((char *, int));
+static void
+free_symtab_block PARAMS ((struct objfile *, struct block *));
+
+static void
+printmsyms_command PARAMS ((char *, int));
+\f
/* Free a struct block <- B and all the symbols defined in that block. */
static void
-free_symtab_block (b)
+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++)
{
- free (SYMBOL_NAME (BLOCK_SYM (b, i)));
- free (BLOCK_SYM (b, i));
+ mfree (objfile -> md, SYMBOL_NAME (BLOCK_SYM (b, i)));
+ mfree (objfile -> md, (PTR) BLOCK_SYM (b, i));
}
- free (b);
+ mfree (objfile -> md, (PTR) b);
}
/* Free all the storage associated with the struct symtab <- S.
bv = BLOCKVECTOR (s);
n = BLOCKVECTOR_NBLOCKS (bv);
for (i = 0; i < n; i++)
- free_symtab_block (BLOCKVECTOR_BLOCK (bv, i));
+ free_symtab_block (s -> objfile, BLOCKVECTOR_BLOCK (bv, i));
/* Free the blockvector itself. */
- free (bv);
+ 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 symbatb, except for our linetable.
+ or by some other symtab, except for our linetable.
Free that now. */
- free (LINETABLE (s));
+ 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)
- free (s->free_ptr);
+ if (s -> free_ptr != NULL)
+ mfree (s -> objfile -> md, s -> free_ptr);
/* Free source-related stuff */
- if (s->line_charpos)
- free (s->line_charpos);
- if (s->fullname)
- free (s->fullname);
- free (s);
+ if (s -> line_charpos != NULL)
+ mfree (s -> objfile -> md, (PTR) s -> line_charpos);
+ if (s -> fullname != NULL)
+ mfree (s -> objfile -> md, s -> fullname);
+ mfree (s -> objfile -> md, (PTR) s);
}
-\f
-static int block_depth ();
-static void print_symbol ();
-static void print_partial_symbol ();
-void
-print_symtabs (filename)
- char *filename;
+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 %x, bfd at %x, %d minsyms\n\n",
+ objfile, objfile -> obfd, objfile->minimal_symbol_count);
+
+ if (objfile -> psymtabs)
+ {
+ printf_filtered ("Psymtabs:\n");
+ for (psymtab = objfile -> psymtabs;
+ psymtab != NULL;
+ psymtab = psymtab -> next)
+ {
+ printf_filtered ("%s at %x, ", psymtab -> filename, psymtab);
+ 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 %x, ", symtab -> filename, symtab);
+ 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;
+ FILE *outfile;
+{
+ struct minimal_symbol *msymbol;
+ int index;
+ char ms_type;
+
+ fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile -> name);
+ for (index = 0, msymbol = objfile -> msymbols;
+ msymbol -> name != NULL; msymbol++, index++)
+ {
+ switch (msymbol -> type)
+ {
+ case mst_unknown:
+ ms_type = 'u';
+ break;
+ case mst_text:
+ ms_type = 't';
+ break;
+ case mst_data:
+ ms_type = 'd';
+ break;
+ case mst_bss:
+ ms_type = 'b';
+ break;
+ case mst_abs:
+ ms_type = 'a';
+ break;
+ default:
+ ms_type = '?';
+ break;
+ }
+ fprintf_filtered (outfile, "[%2d] %c %#10x %s\n", index, ms_type,
+ msymbol -> address, msymbol -> name);
+ }
+ 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;
+ FILE *outfile;
+{
+
+ fprintf_filtered (outfile, "\nPartial symtab for source file %s ",
+ psymtab -> filename);
+ fprintf_filtered (outfile, "(object 0x%x)\n\n", psymtab);
+ fprintf (outfile, " Read from object file %s (0x%x)\n",
+ objfile -> name, objfile);
+
+ if (psymtab -> readin)
+ {
+ fprintf_filtered (outfile,
+ " Full symtab was read (at 0x%x by function at 0x%x)\n",
+ psymtab -> symtab, psymtab -> read_symtab);
+ }
+ fprintf_filtered (outfile, " Relocate symbols by 0x%x\n",
+ psymtab -> addr);
+ fprintf_filtered (outfile, " Symbols cover text addresses 0x%x-0x%x\n",
+ psymtab -> textlow, psymtab -> texthigh);
+ fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n",
+ psymtab -> number_of_dependencies);
+ if (psymtab -> n_global_syms > 0)
+ {
+ print_partial_symbol (objfile -> global_psymbols.list
+ + psymtab -> globals_offset,
+ psymtab -> n_global_syms, "Global", outfile);
+ }
+ if (psymtab -> n_static_syms > 0)
+ {
+ print_partial_symbol (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;
+ FILE *outfile;
{
- FILE *outfile;
- register struct symtab *s;
register int i, j;
int len, blen;
register struct linetable *l;
struct blockvector *bv;
register struct block *b;
int depth;
+
+ fprintf (outfile, "\nSymtab for file %s\n", symtab->filename);
+ fprintf (outfile, "Read from object file %s (%x)\n", objfile->name,
+ objfile);
+ fprintf (outfile, "Language: %s\n", language_str (symtab -> language));
+
+ /* First print the line table. */
+ l = LINETABLE (symtab);
+ if (l) {
+ fprintf (outfile, "\nLine table:\n\n");
+ len = l->nitems;
+ for (i = 0; i < len; i++)
+ fprintf (outfile, " line %d at %x\n", l->item[i].line,
+ l->item[i].pc);
+ }
+ /* Now print the block info. */
+ fprintf (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 (outfile, "block #%03d (object 0x%x) ", i, b);
+ fprintf (outfile, "[0x%x..0x%x]", BLOCK_START (b), BLOCK_END (b));
+ if (BLOCK_SUPERBLOCK (b))
+ fprintf (outfile, " (under 0x%x)", BLOCK_SUPERBLOCK (b));
+ if (BLOCK_FUNCTION (b))
+ fprintf (outfile, " %s", SYMBOL_NAME (BLOCK_FUNCTION (b)));
+ fputc ('\n', outfile);
+ blen = BLOCK_NSYMS (b);
+ for (j = 0; j < blen; j++)
+ {
+ print_symbol (BLOCK_SYM (b, j), depth + 1, outfile);
+ }
+ }
+ fprintf (outfile, "\n");
+}
+
+static void
+printsyms_command (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ char **argv;
+ FILE *outfile;
struct cleanup *cleanups;
- extern int fclose();
+ char *symname = NULL;
+ char *filename = DEV_TTY;
+ struct objfile *objfile;
+ struct symtab *s;
+
+ dont_repeat ();
+
+ if (args == NULL)
+ {
+ error ("printsyms takes an output file name and optional symbol file name");
+ }
+ else if ((argv = buildargv (args)) == NULL)
+ {
+ nomem (0);
+ }
+ cleanups = make_cleanup (freeargv, (char *) argv);
- if (filename == 0)
- error_no_arg ("file to write symbol data in");
+ 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 = fopen (filename, "w");
if (outfile == 0)
perror_with_name (filename);
+ make_cleanup (fclose, (char *) outfile);
- cleanups = make_cleanup (fclose, outfile);
immediate_quit++;
-
- for (s = symtab_list; s; s = s->next)
- {
- /* First print the line table. */
- fprintf (outfile, "Symtab for file %s\n\n", s->filename);
- fprintf (outfile, "Line table:\n\n");
- l = LINETABLE (s);
- len = l->nitems;
- for (i = 0; i < len; i++)
- fprintf (outfile, " line %d at %x\n", l->item[i].line,
- l->item[i].pc);
- /* Now print the block info. */
- fprintf (outfile, "\nBlockvector:\n\n");
- bv = BLOCKVECTOR (s);
- 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 (outfile, "block #%03d (object 0x%x) ", i, b);
- fprintf (outfile, "[0x%x..0x%x]", BLOCK_START (b), BLOCK_END (b));
- if (BLOCK_SUPERBLOCK (b))
- fprintf (outfile, " (under 0x%x)", BLOCK_SUPERBLOCK (b));
- if (BLOCK_FUNCTION (b))
- fprintf (outfile, " %s", SYMBOL_NAME (BLOCK_FUNCTION (b)));
- fputc ('\n', outfile);
- blen = BLOCK_NSYMS (b);
- for (j = 0; j < blen; j++)
- {
- print_symbol (BLOCK_SYM (b, j), depth + 1, outfile);
- }
- }
-
- fprintf (outfile, "\n\n");
- }
-
+ ALL_SYMTABS (objfile, s)
+ if (symname == NULL || (strcmp (symname, s -> filename) == 0))
+ dump_symtab (objfile, s, outfile);
immediate_quit--;
do_cleanups (cleanups);
}
fprintf (outfile, "typedef ");
if (SYMBOL_TYPE (symbol))
{
- type_print_1 (SYMBOL_TYPE (symbol), SYMBOL_NAME (symbol),
- outfile, 1, depth);
+ /* Print details of types, except for enums where it's clutter. */
+ type_print_1 (SYMBOL_TYPE (symbol), SYMBOL_NAME (symbol), outfile,
+ TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM,
+ depth);
fprintf (outfile, "; ");
}
else
fprintf (outfile, "\n");
}
-void
-print_partial_symtabs (filename)
- char *filename;
+static void
+printpsyms_command (args, from_tty)
+ char *args;
+ int from_tty;
{
+ char **argv;
FILE *outfile;
- struct partial_symtab *p;
struct cleanup *cleanups;
- extern int fclose();
+ char *symname = NULL;
+ char *filename = DEV_TTY;
+ struct objfile *objfile;
+ struct partial_symtab *ps;
- if (filename == 0)
- error_no_arg ("file to write partial symbol data in");
+ dont_repeat ();
+
+ if (args == NULL)
+ {
+ error ("printpsyms takes an output file name and optional symbol file name");
+ }
+ else if ((argv = buildargv (args)) == NULL)
+ {
+ nomem (0);
+ }
+ cleanups = make_cleanup (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 = fopen (filename, "w");
if (outfile == 0)
perror_with_name (filename);
+ make_cleanup (fclose, outfile);
- cleanups = make_cleanup (fclose, outfile);
immediate_quit++;
-
- for (p = partial_symtab_list; p; p = p->next)
- {
- fprintf_filtered (outfile, "Partial symtab for source file %s ",
- p->filename);
- fprintf_filtered (outfile, "(object 0x%x)\n\n", p);
- fprintf_filtered (outfile, " Full symbol table %s been read from %s\n",
- p->readin ? "has" : "has not yet",
- p->symfile_name);
- if (p->readin)
- fprintf_filtered (outfile, " Was read into symtab at 0x%x by function at 0x%x\n",
- p->symtab, p->read_symtab);
- fprintf_filtered (outfile, " Relocate symbols by 0x%x\n", p->addr);
- fprintf_filtered (outfile, " Symbols cover text addresses 0x%x-0x%x\n",
- p->textlow, p->texthigh);
- fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n",
- p->number_of_dependencies);
- if (p->n_global_syms > 0)
- print_partial_symbol (global_psymbols.list + p->globals_offset,
- p->n_global_syms, "Global", outfile);
- if (p->n_static_syms > 0)
- print_partial_symbol (static_psymbols.list + p->statics_offset,
- p->n_static_syms, "Static", outfile);
- fprintf_filtered (outfile, "\n\n");
- }
-
+ ALL_PSYMTABS (objfile, ps)
+ if (symname == NULL || (strcmp (symname, ps -> filename) == 0))
+ dump_psymtab (objfile, ps, outfile);
immediate_quit--;
do_cleanups (cleanups);
}
static void
print_partial_symbol (p, count, what, outfile)
-struct partial_symbol *p;
-int count;
-char *what;
-FILE *outfile;
+ struct partial_symbol *p;
+ int count;
+ char *what;
+ FILE *outfile;
{
- char *space;
- char *class;
fprintf_filtered (outfile, " %s partial symbols:\n", what);
while (count-- > 0)
}
}
+static void
+printmsyms_command (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ char **argv;
+ FILE *outfile;
+ struct cleanup *cleanups;
+ char *filename = DEV_TTY;
+ char *symname = NULL;
+ struct objfile *objfile;
+
+ dont_repeat ();
+
+ if (args == NULL)
+ {
+ error ("printmsyms takes an output file name and optional symbol file name");
+ }
+ else if ((argv = buildargv (args)) == NULL)
+ {
+ nomem (0);
+ }
+ cleanups = make_cleanup (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 = fopen (filename, "w");
+ if (outfile == 0)
+ perror_with_name (filename);
+ make_cleanup (fclose, outfile);
+
+ immediate_quit++;
+ ALL_OBJFILES (objfile)
+ if (symname == NULL || (strcmp (symname, objfile -> name) == 0))
+ dump_msymbols (objfile, outfile);
+ immediate_quit--;
+ fprintf_filtered (outfile, "\n\n");
+ do_cleanups (cleanups);
+}
+
+static void
+printobjfiles_command (ignore, from_tty)
+ char *ignore;
+ int from_tty;
+{
+ struct objfile *objfile;
+
+ dont_repeat ();
+
+ immediate_quit++;
+ ALL_OBJFILES (objfile)
+ dump_objfile (objfile);
+ immediate_quit--;
+}
+\f
/* Return the nexting depth of a block within other blocks in its symtab. */
static int
while (block = BLOCK_SUPERBLOCK (block)) i++;
return i;
}
+
\f
-/*
- * Free all partial_symtab storage.
- */
+/* Increase the space allocated for LISTP, which is probably
+ global_psymbol_list or static_psymbol_list. This space will eventually
+ be freed in free_objfile(). */
+
void
-free_all_psymtabs()
+extend_psymbol_list (listp, objfile)
+ register struct psymbol_allocation_list *listp;
+ struct objfile *objfile;
{
- obstack_free (psymbol_obstack, 0);
- obstack_init (psymbol_obstack);
- partial_symtab_list = (struct partial_symtab *) 0;
+ 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;
}
-\f
+
+#ifdef DEBUG
+
+/* The work performed by this function is normally done by the macro
+ ADD_PSYMBOL_TO_LIST defined in symfile.h. When debugging gdb, this
+ function makes things easier. */
+
+void
+add_psymbol_to_list (name, namelength, namespace, class, listp, psymval)
+ char *name;
+ int namelength;
+ enum namespace namespace;
+ enum address_class class;
+ struct psymbol_allocation_list *listp;
+ unsigned long psymval;
+{
+ register struct partial_symbol *psym;
+
+ if (listp -> next >= listp -> list + listp -> size)
+ extend_psymbol_list (listp, objfile);
+ psym = listp -> next++;
+ SYMBOL_NAME (psym) = (char *) obstack_alloc (&objfile->psymbol_obstack,
+ namelength + 1);
+ memcpy (SYMBOL_NAME (psym), name, namelength);
+ SYMBOL_NAME (psym)[namelength] = '\0';
+ SYMBOL_NAMESPACE (psym) = namespace;
+ SYMBOL_CLASS (psym) = class;
+ SYMBOL_VALUE (psym) = psymval;
+}
+
+/* The work performed by this function is normally done by the macro
+ ADD_PSYMBOL_ADDR_TO_LIST defined in symfile.h. When debugging gdb, this
+ function makes things easier. */
+
+void
+add_psymbol_addr_to_list (name, namelength, namespace, class, listp, psymval)
+ char *name;
+ int namelength;
+ enum namespace namespace;
+ enum address_class class;
+ struct psymbol_allocation_list *listp;
+ CORE_ADDR psymval;
+{
+ register struct partial_symbol *psym;
+
+ if (listp -> next >= listp -> list + listp -> size)
+ extend_psymbol_list (listp, objfile);
+ psym = listp -> next++;
+ SYMBOL_NAME (psym) = (char *) obstack_alloc (&objfile->psymbol_obstack,
+ namelength + 1);
+ memcpy (SYMBOL_NAME (psym), name, namelength);
+ SYMBOL_NAME (psym)[namelength] = '\0';
+ SYMBOL_NAMESPACE (psym) = namespace;
+ SYMBOL_CLASS (psym) = class;
+ SYMBOL_VALUE_ADDRESS (psym) = psymval;
+}
+
+#endif /* DEBUG */
+
void
_initialize_symmisc ()
{
- symtab_list = (struct symtab *) 0;
- partial_symtab_list = (struct partial_symtab *) 0;
-
- add_com ("printsyms", class_obscure, print_symtabs,
- "Print dump of current symbol definitions to file OUTFILE.");
- add_com ("printpsyms", class_obscure, print_partial_symtabs,
- "Print dump of current partial symbol definitions to file OUTFILE.");
+ add_com ("printmsyms", class_obscure, printmsyms_command,
+ "Print dump of current minimal symbol definitions to file OUTFILE.\n\
+If a SOURCE file is specified, dump only that file's symbols.");
+ add_com ("printpsyms", class_obscure, printpsyms_command,
+ "Print dump of current partial symbol definitions to file OUTFILE.\n\
+If a SOURCE file is specified, dump only that file's partial symbols.");
+ add_com ("printsyms", class_obscure, printsyms_command,
+ "Print dump of current symbol definitions to file OUTFILE.\n\
+If a SOURCE file is specified, dump only that file's symbols.");
+ add_com ("printobjfiles", class_obscure, printobjfiles_command,
+ "Print dump of current object file definitions.");
}
projects / deliverable / binutils-gdb.git / blobdiff