1124 lines
31 KiB
C
1124 lines
31 KiB
C
/* Do various things to symbol tables (other than lookup), for GDB.
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Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
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1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003 Free Software
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Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "bfd.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "breakpoint.h"
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#include "command.h"
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#include "gdb_obstack.h"
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#include "language.h"
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#include "bcache.h"
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#include "block.h"
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#include "gdb_string.h"
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#include <readline/readline.h>
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#ifndef DEV_TTY
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#define DEV_TTY "/dev/tty"
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#endif
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/* Unfortunately for debugging, stderr is usually a macro. This is painful
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when calling functions that take FILE *'s from the debugger.
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So we make a variable which has the same value and which is accessible when
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debugging GDB with itself. Because stdin et al need not be constants,
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we initialize them in the _initialize_symmisc function at the bottom
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of the file. */
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FILE *std_in;
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FILE *std_out;
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FILE *std_err;
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/* Prototypes for local functions */
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static void dump_symtab (struct objfile *, struct symtab *,
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struct ui_file *);
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static void dump_psymtab (struct objfile *, struct partial_symtab *,
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struct ui_file *);
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static void dump_msymbols (struct objfile *, struct ui_file *);
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static void dump_objfile (struct objfile *);
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static int block_depth (struct block *);
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static void print_partial_symbols (struct partial_symbol **, int,
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char *, struct ui_file *);
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static void free_symtab_block (struct objfile *, struct block *);
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void _initialize_symmisc (void);
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struct print_symbol_args
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{
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struct symbol *symbol;
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int depth;
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struct ui_file *outfile;
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};
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static int print_symbol (void *);
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static void free_symtab_block (struct objfile *, struct block *);
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/* Free a struct block <- B and all the symbols defined in that block. */
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static void
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free_symtab_block (struct objfile *objfile, struct block *b)
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{
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register int i, n;
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struct symbol *sym, *next_sym;
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n = BLOCK_BUCKETS (b);
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for (i = 0; i < n; i++)
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{
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for (sym = BLOCK_BUCKET (b, i); sym; sym = next_sym)
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{
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next_sym = sym->hash_next;
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xmfree (objfile->md, DEPRECATED_SYMBOL_NAME (sym));
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xmfree (objfile->md, sym);
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}
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}
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xmfree (objfile->md, b);
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}
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/* Free all the storage associated with the struct symtab <- S.
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Note that some symtabs have contents malloc'ed structure by structure,
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while some have contents that all live inside one big block of memory,
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and some share the contents of another symbol table and so you should
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not free the contents on their behalf (except sometimes the linetable,
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which maybe per symtab even when the rest is not).
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It is s->free_code that says which alternative to use. */
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void
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free_symtab (register struct symtab *s)
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{
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register int i, n;
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register struct blockvector *bv;
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switch (s->free_code)
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{
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case free_nothing:
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/* All the contents are part of a big block of memory (an obstack),
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and some other symtab is in charge of freeing that block.
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Therefore, do nothing. */
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break;
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case free_contents:
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/* Here all the contents were malloc'ed structure by structure
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and must be freed that way. */
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/* First free the blocks (and their symbols. */
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bv = BLOCKVECTOR (s);
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n = BLOCKVECTOR_NBLOCKS (bv);
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for (i = 0; i < n; i++)
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free_symtab_block (s->objfile, BLOCKVECTOR_BLOCK (bv, i));
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/* Free the blockvector itself. */
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xmfree (s->objfile->md, bv);
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/* Also free the linetable. */
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case free_linetable:
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/* Everything will be freed either by our `free_ptr'
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or by some other symtab, except for our linetable.
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Free that now. */
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if (LINETABLE (s))
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xmfree (s->objfile->md, LINETABLE (s));
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break;
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}
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/* If there is a single block of memory to free, free it. */
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if (s->free_ptr != NULL)
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xmfree (s->objfile->md, s->free_ptr);
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/* Free source-related stuff */
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if (s->line_charpos != NULL)
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xmfree (s->objfile->md, s->line_charpos);
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if (s->fullname != NULL)
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xmfree (s->objfile->md, s->fullname);
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if (s->debugformat != NULL)
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xmfree (s->objfile->md, s->debugformat);
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xmfree (s->objfile->md, s);
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}
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void
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print_symbol_bcache_statistics (void)
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{
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struct objfile *objfile;
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immediate_quit++;
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ALL_OBJFILES (objfile)
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{
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printf_filtered ("Byte cache statistics for '%s':\n", objfile->name);
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print_bcache_statistics (objfile->psymbol_cache, "partial symbol cache");
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}
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immediate_quit--;
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}
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void
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print_objfile_statistics (void)
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{
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struct objfile *objfile;
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struct symtab *s;
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struct partial_symtab *ps;
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int i, linetables, blockvectors;
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immediate_quit++;
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ALL_OBJFILES (objfile)
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{
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printf_filtered ("Statistics for '%s':\n", objfile->name);
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if (OBJSTAT (objfile, n_stabs) > 0)
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printf_filtered (" Number of \"stab\" symbols read: %d\n",
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OBJSTAT (objfile, n_stabs));
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if (OBJSTAT (objfile, n_minsyms) > 0)
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printf_filtered (" Number of \"minimal\" symbols read: %d\n",
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OBJSTAT (objfile, n_minsyms));
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if (OBJSTAT (objfile, n_psyms) > 0)
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printf_filtered (" Number of \"partial\" symbols read: %d\n",
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OBJSTAT (objfile, n_psyms));
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if (OBJSTAT (objfile, n_syms) > 0)
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printf_filtered (" Number of \"full\" symbols read: %d\n",
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OBJSTAT (objfile, n_syms));
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if (OBJSTAT (objfile, n_types) > 0)
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printf_filtered (" Number of \"types\" defined: %d\n",
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OBJSTAT (objfile, n_types));
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i = 0;
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ALL_OBJFILE_PSYMTABS (objfile, ps)
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{
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if (ps->readin == 0)
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i++;
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}
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printf_filtered (" Number of psym tables (not yet expanded): %d\n", i);
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i = linetables = blockvectors = 0;
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ALL_OBJFILE_SYMTABS (objfile, s)
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{
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i++;
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if (s->linetable != NULL)
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linetables++;
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if (s->primary == 1)
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blockvectors++;
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}
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printf_filtered (" Number of symbol tables: %d\n", i);
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printf_filtered (" Number of symbol tables with line tables: %d\n",
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linetables);
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printf_filtered (" Number of symbol tables with blockvectors: %d\n",
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blockvectors);
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if (OBJSTAT (objfile, sz_strtab) > 0)
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printf_filtered (" Space used by a.out string tables: %d\n",
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OBJSTAT (objfile, sz_strtab));
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printf_filtered (" Total memory used for psymbol obstack: %d\n",
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obstack_memory_used (&objfile->psymbol_obstack));
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printf_filtered (" Total memory used for psymbol cache: %d\n",
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bcache_memory_used (objfile->psymbol_cache));
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printf_filtered (" Total memory used for macro cache: %d\n",
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bcache_memory_used (objfile->macro_cache));
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printf_filtered (" Total memory used for symbol obstack: %d\n",
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obstack_memory_used (&objfile->symbol_obstack));
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printf_filtered (" Total memory used for type obstack: %d\n",
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obstack_memory_used (&objfile->type_obstack));
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}
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immediate_quit--;
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}
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static void
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dump_objfile (struct objfile *objfile)
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{
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struct symtab *symtab;
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struct partial_symtab *psymtab;
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printf_filtered ("\nObject file %s: ", objfile->name);
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printf_filtered ("Objfile at ");
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gdb_print_host_address (objfile, gdb_stdout);
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printf_filtered (", bfd at ");
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gdb_print_host_address (objfile->obfd, gdb_stdout);
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printf_filtered (", %d minsyms\n\n",
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objfile->minimal_symbol_count);
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if (objfile->psymtabs)
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{
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printf_filtered ("Psymtabs:\n");
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for (psymtab = objfile->psymtabs;
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psymtab != NULL;
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psymtab = psymtab->next)
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{
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printf_filtered ("%s at ",
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psymtab->filename);
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gdb_print_host_address (psymtab, gdb_stdout);
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printf_filtered (", ");
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if (psymtab->objfile != objfile)
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{
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printf_filtered ("NOT ON CHAIN! ");
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}
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wrap_here (" ");
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}
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printf_filtered ("\n\n");
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}
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if (objfile->symtabs)
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{
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printf_filtered ("Symtabs:\n");
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for (symtab = objfile->symtabs;
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symtab != NULL;
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symtab = symtab->next)
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{
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printf_filtered ("%s at ", symtab->filename);
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gdb_print_host_address (symtab, gdb_stdout);
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printf_filtered (", ");
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if (symtab->objfile != objfile)
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{
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printf_filtered ("NOT ON CHAIN! ");
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}
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wrap_here (" ");
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}
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printf_filtered ("\n\n");
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}
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}
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/* Print minimal symbols from this objfile. */
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static void
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dump_msymbols (struct objfile *objfile, struct ui_file *outfile)
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{
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struct minimal_symbol *msymbol;
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int index;
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char ms_type;
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fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile->name);
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if (objfile->minimal_symbol_count == 0)
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{
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fprintf_filtered (outfile, "No minimal symbols found.\n");
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return;
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}
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for (index = 0, msymbol = objfile->msymbols;
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DEPRECATED_SYMBOL_NAME (msymbol) != NULL; msymbol++, index++)
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{
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switch (msymbol->type)
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{
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case mst_unknown:
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ms_type = 'u';
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break;
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case mst_text:
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ms_type = 'T';
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break;
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case mst_solib_trampoline:
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ms_type = 'S';
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break;
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case mst_data:
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ms_type = 'D';
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break;
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case mst_bss:
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ms_type = 'B';
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break;
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case mst_abs:
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ms_type = 'A';
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break;
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case mst_file_text:
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ms_type = 't';
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break;
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case mst_file_data:
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ms_type = 'd';
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break;
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case mst_file_bss:
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ms_type = 'b';
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break;
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default:
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ms_type = '?';
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break;
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}
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fprintf_filtered (outfile, "[%2d] %c ", index, ms_type);
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print_address_numeric (SYMBOL_VALUE_ADDRESS (msymbol), 1, outfile);
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fprintf_filtered (outfile, " %s", DEPRECATED_SYMBOL_NAME (msymbol));
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if (SYMBOL_BFD_SECTION (msymbol))
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fprintf_filtered (outfile, " section %s",
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bfd_section_name (objfile->obfd,
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SYMBOL_BFD_SECTION (msymbol)));
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if (SYMBOL_DEMANGLED_NAME (msymbol) != NULL)
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{
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fprintf_filtered (outfile, " %s", SYMBOL_DEMANGLED_NAME (msymbol));
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||
}
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#ifdef SOFUN_ADDRESS_MAYBE_MISSING
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if (msymbol->filename)
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fprintf_filtered (outfile, " %s", msymbol->filename);
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#endif
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fputs_filtered ("\n", outfile);
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}
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if (objfile->minimal_symbol_count != index)
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{
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warning ("internal error: minimal symbol count %d != %d",
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objfile->minimal_symbol_count, index);
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}
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fprintf_filtered (outfile, "\n");
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}
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||
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static void
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dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
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struct ui_file *outfile)
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{
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int i;
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fprintf_filtered (outfile, "\nPartial symtab for source file %s ",
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psymtab->filename);
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fprintf_filtered (outfile, "(object ");
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gdb_print_host_address (psymtab, outfile);
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fprintf_filtered (outfile, ")\n\n");
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fprintf_unfiltered (outfile, " Read from object file %s (",
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objfile->name);
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gdb_print_host_address (objfile, outfile);
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fprintf_unfiltered (outfile, ")\n");
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||
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if (psymtab->readin)
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||
{
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fprintf_filtered (outfile,
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" Full symtab was read (at ");
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gdb_print_host_address (psymtab->symtab, outfile);
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fprintf_filtered (outfile, " by function at ");
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gdb_print_host_address (psymtab->read_symtab, outfile);
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fprintf_filtered (outfile, ")\n");
|
||
}
|
||
|
||
fprintf_filtered (outfile, " Relocate symbols by ");
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for (i = 0; i < psymtab->objfile->num_sections; ++i)
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||
{
|
||
if (i != 0)
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||
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_host_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 (struct objfile *objfile, struct symtab *symtab,
|
||
struct ui_file *outfile)
|
||
{
|
||
register int i, j;
|
||
int len, blen;
|
||
register struct linetable *l;
|
||
struct blockvector *bv;
|
||
struct symbol *sym;
|
||
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_host_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_host_address (b, outfile);
|
||
if (BLOCK_SUPERBLOCK (b))
|
||
{
|
||
fprintf_filtered (outfile, " under ");
|
||
gdb_print_host_address (BLOCK_SUPERBLOCK (b), outfile);
|
||
}
|
||
/* drow/2002-07-10: We could save the total symbols count
|
||
even if we're using a hashtable, but nothing else but this message
|
||
wants it. */
|
||
blen = BLOCK_BUCKETS (b);
|
||
if (BLOCK_HASHTABLE (b))
|
||
fprintf_filtered (outfile, ", %d buckets in ", blen);
|
||
else
|
||
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", DEPRECATED_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 (in no particular order, if
|
||
we're using a hashtable). */
|
||
ALL_BLOCK_SYMBOLS (b, j, sym)
|
||
{
|
||
struct print_symbol_args s;
|
||
s.symbol = sym;
|
||
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 (char *args, int from_tty)
|
||
{
|
||
char **argv;
|
||
struct ui_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_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 (xfree, filename);
|
||
|
||
outfile = gdb_fopen (filename, FOPEN_WT);
|
||
if (outfile == 0)
|
||
perror_with_name (filename);
|
||
make_cleanup_ui_file_delete (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 (void *args)
|
||
{
|
||
struct symbol *symbol = ((struct print_symbol_args *) args)->symbol;
|
||
int depth = ((struct print_symbol_args *) args)->depth;
|
||
struct ui_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_PRINT_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")),
|
||
DEPRECATED_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_PRINT_NAME (symbol),
|
||
outfile,
|
||
TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM,
|
||
depth);
|
||
fprintf_filtered (outfile, "; ");
|
||
}
|
||
else
|
||
fprintf_filtered (outfile, "%s ", SYMBOL_PRINT_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_host_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_COMPUTED:
|
||
case LOC_COMPUTED_ARG:
|
||
fprintf_filtered (outfile, "computed at runtime");
|
||
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 (char *args, int from_tty)
|
||
{
|
||
char **argv;
|
||
struct ui_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_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 (xfree, filename);
|
||
|
||
outfile = gdb_fopen (filename, FOPEN_WT);
|
||
if (outfile == 0)
|
||
perror_with_name (filename);
|
||
make_cleanup_ui_file_delete (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 (struct partial_symbol **p, int count, char *what,
|
||
struct ui_file *outfile)
|
||
{
|
||
fprintf_filtered (outfile, " %s partial symbols:\n", what);
|
||
while (count-- > 0)
|
||
{
|
||
fprintf_filtered (outfile, " `%s'", DEPRECATED_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;
|
||
case LOC_COMPUTED:
|
||
case LOC_COMPUTED_ARG:
|
||
fputs_filtered ("computed at runtime", 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 (char *args, int from_tty)
|
||
{
|
||
char **argv;
|
||
struct ui_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_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 (xfree, filename);
|
||
|
||
outfile = gdb_fopen (filename, FOPEN_WT);
|
||
if (outfile == 0)
|
||
perror_with_name (filename);
|
||
make_cleanup_ui_file_delete (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 (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 (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, DEPRECATED_SYMBOL_NAME (*psym),
|
||
NULL, SYMBOL_NAMESPACE (*psym));
|
||
if (!sym)
|
||
{
|
||
printf_filtered ("Static symbol `");
|
||
puts_filtered (DEPRECATED_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, DEPRECATED_SYMBOL_NAME (*psym),
|
||
NULL, SYMBOL_NAMESPACE (*psym));
|
||
if (!sym)
|
||
{
|
||
printf_filtered ("Global symbol `");
|
||
puts_filtered (DEPRECATED_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 (struct block *block)
|
||
{
|
||
register int i = 0;
|
||
while ((block = BLOCK_SUPERBLOCK (block)) != NULL)
|
||
{
|
||
i++;
|
||
}
|
||
return i;
|
||
}
|
||
|
||
|
||
/* 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 (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 (void)
|
||
{
|
||
std_in = stdin;
|
||
std_out = stdout;
|
||
std_err = stderr;
|
||
}
|