1256 lines
35 KiB
C
1256 lines
35 KiB
C
/* Do various things to symbol tables (other than lookup), for GDB.
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Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008, 2009, 2010
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Free Software 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 3 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, see <http://www.gnu.org/licenses/>. */
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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 "exceptions.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_regex.h"
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#include "gdb_stat.h"
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#include "dictionary.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 gdbarch *,
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struct partial_symbol **, int,
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char *, struct ui_file *);
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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 gdbarch *gdbarch;
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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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/* Free all the storage associated with the struct symtab <- S.
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Note that some symtabs have contents that all live inside one big block of
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memory, and some share the contents of another symbol table and so you
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should not free the contents on their behalf (except sometimes the
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linetable, 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 (struct symtab *s)
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{
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int i, n;
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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_linetable:
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/* Everything will be freed either by our `free_func'
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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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xfree (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_func != NULL)
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s->free_func (s);
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/* Free source-related stuff */
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if (s->line_charpos != NULL)
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xfree (s->line_charpos);
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if (s->fullname != NULL)
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xfree (s->fullname);
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if (s->debugformat != NULL)
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xfree (s->debugformat);
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xfree (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 program_space *pspace;
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struct objfile *objfile;
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immediate_quit++;
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ALL_PSPACES (pspace)
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ALL_PSPACE_OBJFILES (pspace, 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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print_bcache_statistics (objfile->macro_cache, "preprocessor macro cache");
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print_bcache_statistics (objfile->filename_cache, "file name 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 program_space *pspace;
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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_PSPACES (pspace)
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ALL_PSPACE_OBJFILES (pspace, 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 objfile obstack: %d\n"),
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obstack_memory_used (&objfile->objfile_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 file name cache: %d\n"),
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bcache_memory_used (objfile->filename_cache));
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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 gdbarch *gdbarch = get_objfile_arch (objfile);
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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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index = 0;
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ALL_OBJFILE_MSYMBOLS (objfile, msymbol)
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{
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struct obj_section *section = SYMBOL_OBJ_SECTION (msymbol);
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switch (MSYMBOL_TYPE (msymbol))
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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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fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (msymbol)),
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outfile);
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fprintf_filtered (outfile, " %s", SYMBOL_LINKAGE_NAME (msymbol));
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if (section)
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fprintf_filtered (outfile, " section %s",
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bfd_section_name (objfile->obfd,
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section->the_bfd_section));
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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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if (msymbol->filename)
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fprintf_filtered (outfile, " %s", msymbol->filename);
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fputs_filtered ("\n", outfile);
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index++;
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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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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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struct gdbarch *gdbarch = get_objfile_arch (objfile);
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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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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");
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}
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fprintf_filtered (outfile, " Relocate symbols by ");
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for (i = 0; i < psymtab->objfile->num_sections; ++i)
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{
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if (i != 0)
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fprintf_filtered (outfile, ", ");
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wrap_here (" ");
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fputs_filtered (paddress (gdbarch,
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ANOFFSET (psymtab->section_offsets, i)),
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outfile);
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}
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fprintf_filtered (outfile, "\n");
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fprintf_filtered (outfile, " Symbols cover text addresses ");
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fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile);
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fprintf_filtered (outfile, "-");
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fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile);
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fprintf_filtered (outfile, "\n");
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fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n",
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psymtab->number_of_dependencies);
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for (i = 0; i < psymtab->number_of_dependencies; i++)
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{
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fprintf_filtered (outfile, " %d ", i);
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gdb_print_host_address (psymtab->dependencies[i], outfile);
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fprintf_filtered (outfile, " %s\n",
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psymtab->dependencies[i]->filename);
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}
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if (psymtab->n_global_syms > 0)
|
||
{
|
||
print_partial_symbols (gdbarch,
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objfile->global_psymbols.list
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+ psymtab->globals_offset,
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psymtab->n_global_syms, "Global", outfile);
|
||
}
|
||
if (psymtab->n_static_syms > 0)
|
||
{
|
||
print_partial_symbols (gdbarch,
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objfile->static_psymbols.list
|
||
+ psymtab->statics_offset,
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||
psymtab->n_static_syms, "Static", outfile);
|
||
}
|
||
fprintf_filtered (outfile, "\n");
|
||
}
|
||
|
||
static void
|
||
dump_symtab_1 (struct objfile *objfile, struct symtab *symtab,
|
||
struct ui_file *outfile)
|
||
{
|
||
struct gdbarch *gdbarch = get_objfile_arch (objfile);
|
||
int i;
|
||
struct dict_iterator iter;
|
||
int len, blen;
|
||
struct linetable *l;
|
||
struct blockvector *bv;
|
||
struct symbol *sym;
|
||
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);
|
||
fputs_filtered (paddress (gdbarch, l->item[i].pc), 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. */
|
||
fprintf_filtered (outfile, ", %d syms/buckets in ",
|
||
dict_size (BLOCK_DICT (b)));
|
||
fputs_filtered (paddress (gdbarch, BLOCK_START (b)), outfile);
|
||
fprintf_filtered (outfile, "..");
|
||
fputs_filtered (paddress (gdbarch, BLOCK_END (b)), outfile);
|
||
if (BLOCK_FUNCTION (b))
|
||
{
|
||
fprintf_filtered (outfile, ", function %s",
|
||
SYMBOL_LINKAGE_NAME (BLOCK_FUNCTION (b)));
|
||
if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL)
|
||
{
|
||
fprintf_filtered (outfile, ", %s",
|
||
SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (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, iter, sym)
|
||
{
|
||
struct print_symbol_args s;
|
||
s.gdbarch = gdbarch;
|
||
s.symbol = sym;
|
||
s.depth = depth + 1;
|
||
s.outfile = outfile;
|
||
catch_errors (print_symbol, &s, "Error printing symbol:\n",
|
||
RETURN_MASK_ERROR);
|
||
}
|
||
}
|
||
fprintf_filtered (outfile, "\n");
|
||
}
|
||
else
|
||
{
|
||
fprintf_filtered (outfile, "\nBlockvector same as previous symtab\n\n");
|
||
}
|
||
}
|
||
|
||
static void
|
||
dump_symtab (struct objfile *objfile, struct symtab *symtab,
|
||
struct ui_file *outfile)
|
||
{
|
||
/* Set the current language to the language of the symtab we're dumping
|
||
because certain routines used during dump_symtab() use the current
|
||
language to print an image of the symbol. We'll restore it later.
|
||
But use only real languages, not placeholders. */
|
||
if (symtab->language != language_unknown
|
||
&& symtab->language != language_auto)
|
||
{
|
||
enum language saved_lang;
|
||
|
||
saved_lang = set_language (symtab->language);
|
||
|
||
dump_symtab_1 (objfile, symtab, outfile);
|
||
|
||
set_language (saved_lang);
|
||
}
|
||
else
|
||
dump_symtab_1 (objfile, symtab, outfile);
|
||
}
|
||
|
||
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"));
|
||
}
|
||
argv = gdb_buildargv (args);
|
||
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 || strcmp (symname, s->filename) == 0)
|
||
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 gdbarch *gdbarch = ((struct print_symbol_args *) args)->gdbarch;
|
||
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;
|
||
struct obj_section *section = SYMBOL_OBJ_SECTION (symbol);
|
||
|
||
print_spaces (depth, outfile);
|
||
if (SYMBOL_DOMAIN (symbol) == LABEL_DOMAIN)
|
||
{
|
||
fprintf_filtered (outfile, "label %s at ", SYMBOL_PRINT_NAME (symbol));
|
||
fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
|
||
outfile);
|
||
if (section)
|
||
fprintf_filtered (outfile, " section %s\n",
|
||
bfd_section_name (section->the_bfd_section->owner,
|
||
section->the_bfd_section));
|
||
else
|
||
fprintf_filtered (outfile, "\n");
|
||
return 1;
|
||
}
|
||
if (SYMBOL_DOMAIN (symbol) == STRUCT_DOMAIN)
|
||
{
|
||
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_LINKAGE_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 ");
|
||
fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
|
||
outfile);
|
||
if (section)
|
||
fprintf_filtered (outfile, " section %s",
|
||
bfd_section_name (section->the_bfd_section->owner,
|
||
section->the_bfd_section));
|
||
break;
|
||
|
||
case LOC_REGISTER:
|
||
if (SYMBOL_IS_ARGUMENT (symbol))
|
||
fprintf_filtered (outfile, "parameter register %ld",
|
||
SYMBOL_VALUE (symbol));
|
||
else
|
||
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_REF_ARG:
|
||
fprintf_filtered (outfile, "reference arg at 0x%lx", 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_TYPEDEF:
|
||
break;
|
||
|
||
case LOC_LABEL:
|
||
fprintf_filtered (outfile, "label at ");
|
||
fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
|
||
outfile);
|
||
if (section)
|
||
fprintf_filtered (outfile, " section %s",
|
||
bfd_section_name (section->the_bfd_section->owner,
|
||
section->the_bfd_section));
|
||
break;
|
||
|
||
case LOC_BLOCK:
|
||
fprintf_filtered (outfile, "block object ");
|
||
gdb_print_host_address (SYMBOL_BLOCK_VALUE (symbol), outfile);
|
||
fprintf_filtered (outfile, ", ");
|
||
fputs_filtered (paddress (gdbarch,
|
||
BLOCK_START (SYMBOL_BLOCK_VALUE (symbol))),
|
||
outfile);
|
||
fprintf_filtered (outfile, "..");
|
||
fputs_filtered (paddress (gdbarch,
|
||
BLOCK_END (SYMBOL_BLOCK_VALUE (symbol))),
|
||
outfile);
|
||
if (section)
|
||
fprintf_filtered (outfile, " section %s",
|
||
bfd_section_name (section->the_bfd_section->owner,
|
||
section->the_bfd_section));
|
||
break;
|
||
|
||
case LOC_COMPUTED:
|
||
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"));
|
||
}
|
||
argv = gdb_buildargv (args);
|
||
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 || strcmp (symname, ps->filename) == 0)
|
||
dump_psymtab (objfile, ps, outfile);
|
||
immediate_quit--;
|
||
do_cleanups (cleanups);
|
||
}
|
||
|
||
static void
|
||
print_partial_symbols (struct gdbarch *gdbarch,
|
||
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'", SYMBOL_LINKAGE_NAME (*p));
|
||
if (SYMBOL_DEMANGLED_NAME (*p) != NULL)
|
||
{
|
||
fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p));
|
||
}
|
||
fputs_filtered (", ", outfile);
|
||
switch (SYMBOL_DOMAIN (*p))
|
||
{
|
||
case UNDEF_DOMAIN:
|
||
fputs_filtered ("undefined domain, ", outfile);
|
||
break;
|
||
case VAR_DOMAIN:
|
||
/* This is the usual thing -- don't print it */
|
||
break;
|
||
case STRUCT_DOMAIN:
|
||
fputs_filtered ("struct domain, ", outfile);
|
||
break;
|
||
case LABEL_DOMAIN:
|
||
fputs_filtered ("label domain, ", outfile);
|
||
break;
|
||
default:
|
||
fputs_filtered ("<invalid domain>, ", 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_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_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_UNRESOLVED:
|
||
fputs_filtered ("unresolved", outfile);
|
||
break;
|
||
case LOC_OPTIMIZED_OUT:
|
||
fputs_filtered ("optimized out", outfile);
|
||
break;
|
||
case LOC_COMPUTED:
|
||
fputs_filtered ("computed at runtime", outfile);
|
||
break;
|
||
default:
|
||
fputs_filtered ("<invalid location>", outfile);
|
||
break;
|
||
}
|
||
fputs_filtered (", ", outfile);
|
||
fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), 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 program_space *pspace;
|
||
struct objfile *objfile;
|
||
|
||
struct stat sym_st, obj_st;
|
||
|
||
dont_repeat ();
|
||
|
||
if (args == NULL)
|
||
{
|
||
error (_("print-msymbols takes an output file name and optional symbol file name"));
|
||
}
|
||
argv = gdb_buildargv (args);
|
||
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 = xfullpath (argv[1]);
|
||
make_cleanup (xfree, symname);
|
||
if (symname && stat (symname, &sym_st))
|
||
perror_with_name (symname);
|
||
}
|
||
}
|
||
|
||
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_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
if (symname == NULL
|
||
|| (!stat (objfile->name, &obj_st) && sym_st.st_ino == obj_st.st_ino))
|
||
dump_msymbols (objfile, outfile);
|
||
immediate_quit--;
|
||
fprintf_filtered (outfile, "\n\n");
|
||
do_cleanups (cleanups);
|
||
}
|
||
|
||
void
|
||
maintenance_print_objfiles (char *ignore, int from_tty)
|
||
{
|
||
struct program_space *pspace;
|
||
struct objfile *objfile;
|
||
|
||
dont_repeat ();
|
||
|
||
immediate_quit++;
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
dump_objfile (objfile);
|
||
immediate_quit--;
|
||
}
|
||
|
||
|
||
/* List all the symbol tables whose names match REGEXP (optional). */
|
||
void
|
||
maintenance_info_symtabs (char *regexp, int from_tty)
|
||
{
|
||
struct program_space *pspace;
|
||
struct objfile *objfile;
|
||
|
||
if (regexp)
|
||
re_comp (regexp);
|
||
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
{
|
||
struct symtab *symtab;
|
||
|
||
/* We don't want to print anything for this objfile until we
|
||
actually find a symtab whose name matches. */
|
||
int printed_objfile_start = 0;
|
||
|
||
ALL_OBJFILE_SYMTABS (objfile, symtab)
|
||
{
|
||
QUIT;
|
||
|
||
if (! regexp
|
||
|| re_exec (symtab->filename))
|
||
{
|
||
if (! printed_objfile_start)
|
||
{
|
||
printf_filtered ("{ objfile %s ", objfile->name);
|
||
wrap_here (" ");
|
||
printf_filtered ("((struct objfile *) %s)\n",
|
||
host_address_to_string (objfile));
|
||
printed_objfile_start = 1;
|
||
}
|
||
|
||
printf_filtered (" { symtab %s ", symtab->filename);
|
||
wrap_here (" ");
|
||
printf_filtered ("((struct symtab *) %s)\n",
|
||
host_address_to_string (symtab));
|
||
printf_filtered (" dirname %s\n",
|
||
symtab->dirname ? symtab->dirname : "(null)");
|
||
printf_filtered (" fullname %s\n",
|
||
symtab->fullname ? symtab->fullname : "(null)");
|
||
printf_filtered (" blockvector ((struct blockvector *) %s)%s\n",
|
||
host_address_to_string (symtab->blockvector),
|
||
symtab->primary ? " (primary)" : "");
|
||
printf_filtered (" linetable ((struct linetable *) %s)\n",
|
||
host_address_to_string (symtab->linetable));
|
||
printf_filtered (" debugformat %s\n", symtab->debugformat);
|
||
printf_filtered (" }\n");
|
||
}
|
||
}
|
||
|
||
if (printed_objfile_start)
|
||
printf_filtered ("}\n");
|
||
}
|
||
}
|
||
|
||
|
||
/* List all the partial symbol tables whose names match REGEXP (optional). */
|
||
void
|
||
maintenance_info_psymtabs (char *regexp, int from_tty)
|
||
{
|
||
struct program_space *pspace;
|
||
struct objfile *objfile;
|
||
|
||
if (regexp)
|
||
re_comp (regexp);
|
||
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
{
|
||
struct gdbarch *gdbarch = get_objfile_arch (objfile);
|
||
struct partial_symtab *psymtab;
|
||
|
||
/* We don't want to print anything for this objfile until we
|
||
actually find a symtab whose name matches. */
|
||
int printed_objfile_start = 0;
|
||
|
||
ALL_OBJFILE_PSYMTABS (objfile, psymtab)
|
||
{
|
||
QUIT;
|
||
|
||
if (! regexp
|
||
|| re_exec (psymtab->filename))
|
||
{
|
||
if (! printed_objfile_start)
|
||
{
|
||
printf_filtered ("{ objfile %s ", objfile->name);
|
||
wrap_here (" ");
|
||
printf_filtered ("((struct objfile *) %s)\n",
|
||
host_address_to_string (objfile));
|
||
printed_objfile_start = 1;
|
||
}
|
||
|
||
printf_filtered (" { psymtab %s ", psymtab->filename);
|
||
wrap_here (" ");
|
||
printf_filtered ("((struct partial_symtab *) %s)\n",
|
||
host_address_to_string (psymtab));
|
||
|
||
printf_filtered (" readin %s\n",
|
||
psymtab->readin ? "yes" : "no");
|
||
printf_filtered (" fullname %s\n",
|
||
psymtab->fullname ? psymtab->fullname : "(null)");
|
||
printf_filtered (" text addresses ");
|
||
fputs_filtered (paddress (gdbarch, psymtab->textlow),
|
||
gdb_stdout);
|
||
printf_filtered (" -- ");
|
||
fputs_filtered (paddress (gdbarch, psymtab->texthigh),
|
||
gdb_stdout);
|
||
printf_filtered ("\n");
|
||
printf_filtered (" globals ");
|
||
if (psymtab->n_global_syms)
|
||
{
|
||
printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
|
||
host_address_to_string (psymtab->objfile->global_psymbols.list
|
||
+ psymtab->globals_offset),
|
||
psymtab->n_global_syms);
|
||
}
|
||
else
|
||
printf_filtered ("(none)\n");
|
||
printf_filtered (" statics ");
|
||
if (psymtab->n_static_syms)
|
||
{
|
||
printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
|
||
host_address_to_string (psymtab->objfile->static_psymbols.list
|
||
+ psymtab->statics_offset),
|
||
psymtab->n_static_syms);
|
||
}
|
||
else
|
||
printf_filtered ("(none)\n");
|
||
printf_filtered (" dependencies ");
|
||
if (psymtab->number_of_dependencies)
|
||
{
|
||
int i;
|
||
|
||
printf_filtered ("{\n");
|
||
for (i = 0; i < psymtab->number_of_dependencies; i++)
|
||
{
|
||
struct partial_symtab *dep = psymtab->dependencies[i];
|
||
|
||
/* Note the string concatenation there --- no comma. */
|
||
printf_filtered (" psymtab %s "
|
||
"((struct partial_symtab *) %s)\n",
|
||
dep->filename,
|
||
host_address_to_string (dep));
|
||
}
|
||
printf_filtered (" }\n");
|
||
}
|
||
else
|
||
printf_filtered ("(none)\n");
|
||
printf_filtered (" }\n");
|
||
}
|
||
}
|
||
|
||
if (printed_objfile_start)
|
||
printf_filtered ("}\n");
|
||
}
|
||
}
|
||
|
||
|
||
/* Check consistency of psymtabs and symtabs. */
|
||
|
||
void
|
||
maintenance_check_symtabs (char *ignore, int from_tty)
|
||
{
|
||
struct symbol *sym;
|
||
struct partial_symbol **psym;
|
||
struct symtab *s = NULL;
|
||
struct partial_symtab *ps;
|
||
struct blockvector *bv;
|
||
struct objfile *objfile;
|
||
struct block *b;
|
||
int length;
|
||
|
||
ALL_PSYMTABS (objfile, ps)
|
||
{
|
||
struct gdbarch *gdbarch = get_objfile_arch (objfile);
|
||
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_LINKAGE_NAME (*psym),
|
||
NULL, SYMBOL_DOMAIN (*psym));
|
||
if (!sym)
|
||
{
|
||
printf_filtered ("Static symbol `");
|
||
puts_filtered (SYMBOL_LINKAGE_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_LINKAGE_NAME (*psym),
|
||
NULL, SYMBOL_DOMAIN (*psym));
|
||
if (!sym)
|
||
{
|
||
printf_filtered ("Global symbol `");
|
||
puts_filtered (SYMBOL_LINKAGE_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 ");
|
||
fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
|
||
printf_filtered (" - ");
|
||
fputs_filtered (paddress (gdbarch, ps->texthigh), 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 ");
|
||
fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
|
||
printf_filtered (" - ");
|
||
fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
|
||
printf_filtered (" but symtab covers only ");
|
||
fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout);
|
||
printf_filtered (" - ");
|
||
fputs_filtered (paddress (gdbarch, BLOCK_END (b)), 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)
|
||
{
|
||
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 (struct psymbol_allocation_list *listp,
|
||
struct objfile *objfile)
|
||
{
|
||
int new_size;
|
||
if (listp->size == 0)
|
||
{
|
||
new_size = 255;
|
||
listp->list = (struct partial_symbol **)
|
||
xmalloc (new_size * sizeof (struct partial_symbol *));
|
||
}
|
||
else
|
||
{
|
||
new_size = listp->size * 2;
|
||
listp->list = (struct partial_symbol **)
|
||
xrealloc ((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;
|
||
}
|