995 lines
28 KiB
C
995 lines
28 KiB
C
/* Do various things to symbol tables (other than lookup), for GDB.
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Copyright (C) 1986-2016 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 "filenames.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_regex.h"
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#include <sys/stat.h>
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#include "dictionary.h"
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#include "typeprint.h"
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#include "gdbcmd.h"
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#include "source.h"
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#include "readline/readline.h"
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#include "psymtab.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 int block_depth (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 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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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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ALL_PSPACES (pspace)
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ALL_PSPACE_OBJFILES (pspace, objfile)
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{
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QUIT;
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printf_filtered (_("Byte cache statistics for '%s':\n"),
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objfile_name (objfile));
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print_bcache_statistics (psymbol_bcache_get_bcache (objfile->psymbol_cache),
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"partial symbol cache");
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print_bcache_statistics (objfile->per_bfd->macro_cache,
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"preprocessor macro cache");
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print_bcache_statistics (objfile->per_bfd->filename_cache,
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"file name cache");
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}
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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 compunit_symtab *cu;
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struct symtab *s;
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int i, linetables, blockvectors;
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ALL_PSPACES (pspace)
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ALL_PSPACE_OBJFILES (pspace, objfile)
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{
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QUIT;
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printf_filtered (_("Statistics for '%s':\n"), objfile_name (objfile));
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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 (objfile->per_bfd->n_minsyms > 0)
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printf_filtered (_(" Number of \"minimal\" symbols read: %d\n"),
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objfile->per_bfd->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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if (objfile->sf)
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objfile->sf->qf->print_stats (objfile);
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i = linetables = blockvectors = 0;
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ALL_OBJFILE_FILETABS (objfile, cu, s)
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{
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i++;
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if (SYMTAB_LINETABLE (s) != NULL)
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linetables++;
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}
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ALL_OBJFILE_COMPUNITS (objfile, cu)
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blockvectors++;
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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: %s\n"),
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pulongest (obstack_memory_used (&objfile
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->objfile_obstack)));
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printf_filtered (_(" Total memory used for BFD obstack: %s\n"),
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pulongest (obstack_memory_used (&objfile->per_bfd
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->storage_obstack)));
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printf_filtered (_(" Total memory used for psymbol cache: %d\n"),
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bcache_memory_used (psymbol_bcache_get_bcache
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(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->per_bfd->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->per_bfd->filename_cache));
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}
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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 compunit_symtab *cust;
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struct symtab *symtab;
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printf_filtered ("\nObject file %s: ", objfile_name (objfile));
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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->per_bfd->minimal_symbol_count);
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if (objfile->sf)
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objfile->sf->qf->dump (objfile);
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if (objfile->compunit_symtabs != NULL)
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{
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printf_filtered ("Symtabs:\n");
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ALL_OBJFILE_FILETABS (objfile, cust, symtab)
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{
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printf_filtered ("%s at ", symtab_to_filename_for_display (symtab));
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gdb_print_host_address (symtab, gdb_stdout);
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printf_filtered (", ");
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if (SYMTAB_OBJFILE (symtab) != 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 (objfile));
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if (objfile->per_bfd->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 = MSYMBOL_OBJ_SECTION (objfile, 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_text_gnu_ifunc:
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ms_type = 'i';
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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, MSYMBOL_VALUE_ADDRESS (objfile,
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msymbol)),
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outfile);
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fprintf_filtered (outfile, " %s", MSYMBOL_LINKAGE_NAME (msymbol));
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if (section)
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{
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if (section->the_bfd_section != NULL)
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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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else
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fprintf_filtered (outfile, " spurious section %ld",
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(long) (section - objfile->sections));
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}
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if (MSYMBOL_DEMANGLED_NAME (msymbol) != NULL)
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{
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fprintf_filtered (outfile, " %s", MSYMBOL_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->per_bfd->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->per_bfd->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_symtab_1 (struct objfile *objfile, struct symtab *symtab,
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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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struct dict_iterator iter;
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int len;
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struct linetable *l;
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const struct blockvector *bv;
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struct symbol *sym;
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struct block *b;
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int depth;
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fprintf_filtered (outfile, "\nSymtab for file %s\n",
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symtab_to_filename_for_display (symtab));
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if (SYMTAB_DIRNAME (symtab) != NULL)
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fprintf_filtered (outfile, "Compilation directory is %s\n",
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SYMTAB_DIRNAME (symtab));
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fprintf_filtered (outfile, "Read from object file %s (",
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objfile_name (objfile));
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gdb_print_host_address (objfile, outfile);
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fprintf_filtered (outfile, ")\n");
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fprintf_filtered (outfile, "Language: %s\n",
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language_str (symtab->language));
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/* First print the line table. */
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l = SYMTAB_LINETABLE (symtab);
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if (l)
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{
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fprintf_filtered (outfile, "\nLine table:\n\n");
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len = l->nitems;
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for (i = 0; i < len; i++)
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{
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fprintf_filtered (outfile, " line %d at ", l->item[i].line);
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fputs_filtered (paddress (gdbarch, l->item[i].pc), outfile);
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fprintf_filtered (outfile, "\n");
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}
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}
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/* Now print the block info, but only for compunit symtabs since we will
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print lots of duplicate info otherwise. */
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if (symtab == COMPUNIT_FILETABS (SYMTAB_COMPUNIT (symtab)))
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{
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fprintf_filtered (outfile, "\nBlockvector:\n\n");
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bv = SYMTAB_BLOCKVECTOR (symtab);
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len = BLOCKVECTOR_NBLOCKS (bv);
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for (i = 0; i < len; i++)
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{
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b = BLOCKVECTOR_BLOCK (bv, i);
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depth = block_depth (b) * 2;
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print_spaces (depth, outfile);
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fprintf_filtered (outfile, "block #%03d, object at ", i);
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gdb_print_host_address (b, outfile);
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if (BLOCK_SUPERBLOCK (b))
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{
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fprintf_filtered (outfile, " under ");
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gdb_print_host_address (BLOCK_SUPERBLOCK (b), outfile);
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}
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/* drow/2002-07-10: We could save the total symbols count
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even if we're using a hashtable, but nothing else but this message
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wants it. */
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fprintf_filtered (outfile, ", %d syms/buckets in ",
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dict_size (BLOCK_DICT (b)));
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fputs_filtered (paddress (gdbarch, BLOCK_START (b)), outfile);
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fprintf_filtered (outfile, "..");
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fputs_filtered (paddress (gdbarch, BLOCK_END (b)), outfile);
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if (BLOCK_FUNCTION (b))
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{
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fprintf_filtered (outfile, ", function %s",
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SYMBOL_LINKAGE_NAME (BLOCK_FUNCTION (b)));
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if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL)
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{
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fprintf_filtered (outfile, ", %s",
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SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)));
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}
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}
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fprintf_filtered (outfile, "\n");
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/* Now print each symbol in this block (in no particular order, if
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we're using a hashtable). Note that we only want this
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block, not any blocks from included symtabs. */
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ALL_DICT_SYMBOLS (BLOCK_DICT (b), iter, sym)
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{
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struct print_symbol_args s;
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s.gdbarch = gdbarch;
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s.symbol = sym;
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s.depth = depth + 1;
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s.outfile = outfile;
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catch_errors (print_symbol, &s, "Error printing symbol:\n",
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RETURN_MASK_ERROR);
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}
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}
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fprintf_filtered (outfile, "\n");
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}
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else
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{
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fprintf_filtered (outfile, "\nBlockvector same as previous symtab\n\n");
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}
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}
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static void
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dump_symtab (struct objfile *objfile, struct symtab *symtab,
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struct ui_file *outfile)
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{
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/* Set the current language to the language of the symtab we're dumping
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because certain routines used during dump_symtab() use the current
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language to print an image of the symbol. We'll restore it later.
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But use only real languages, not placeholders. */
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if (symtab->language != language_unknown
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&& symtab->language != language_auto)
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{
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enum language saved_lang;
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saved_lang = set_language (symtab->language);
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dump_symtab_1 (objfile, symtab, outfile);
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set_language (saved_lang);
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}
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else
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dump_symtab_1 (objfile, symtab, outfile);
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}
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static void
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maintenance_print_symbols (char *args, int from_tty)
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{
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char **argv;
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struct ui_file *outfile;
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struct cleanup *cleanups;
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char *symname = NULL;
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char *filename = DEV_TTY;
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struct objfile *objfile;
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struct compunit_symtab *cu;
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struct symtab *s;
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dont_repeat ();
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if (args == NULL)
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{
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error (_("Arguments missing: an output file name "
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"and an optional symbol file name"));
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}
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argv = gdb_buildargv (args);
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cleanups = make_cleanup_freeargv (argv);
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if (argv[0] != NULL)
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{
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filename = argv[0];
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/* If a second arg is supplied, it is a source file name to match on. */
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if (argv[1] != NULL)
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{
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symname = argv[1];
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}
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}
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filename = tilde_expand (filename);
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make_cleanup (xfree, filename);
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outfile = gdb_fopen (filename, FOPEN_WT);
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if (outfile == 0)
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perror_with_name (filename);
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make_cleanup_ui_file_delete (outfile);
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ALL_FILETABS (objfile, cu, s)
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{
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QUIT;
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if (symname == NULL
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|| filename_cmp (symname, symtab_to_filename_for_display (s)) == 0)
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dump_symtab (objfile, s, outfile);
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}
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do_cleanups (cleanups);
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}
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/* Print symbol ARGS->SYMBOL on ARGS->OUTFILE. ARGS->DEPTH says how
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far to indent. ARGS is really a struct print_symbol_args *, but is
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declared as char * to get it past catch_errors. Returns 0 for error,
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1 for success. */
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static int
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print_symbol (void *args)
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{
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struct gdbarch *gdbarch = ((struct print_symbol_args *) args)->gdbarch;
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struct symbol *symbol = ((struct print_symbol_args *) args)->symbol;
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int depth = ((struct print_symbol_args *) args)->depth;
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struct ui_file *outfile = ((struct print_symbol_args *) args)->outfile;
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struct obj_section *section;
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if (SYMBOL_OBJFILE_OWNED (symbol))
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section = SYMBOL_OBJ_SECTION (symbol_objfile (symbol), symbol);
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else
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section = NULL;
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print_spaces (depth, outfile);
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if (SYMBOL_DOMAIN (symbol) == LABEL_DOMAIN)
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{
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fprintf_filtered (outfile, "label %s at ", SYMBOL_PRINT_NAME (symbol));
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fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
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outfile);
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if (section)
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fprintf_filtered (outfile, " section %s\n",
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bfd_section_name (section->the_bfd_section->owner,
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section->the_bfd_section));
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else
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fprintf_filtered (outfile, "\n");
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return 1;
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}
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if (SYMBOL_DOMAIN (symbol) == STRUCT_DOMAIN)
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{
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if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol)))
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{
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LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth,
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&type_print_raw_options);
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}
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else
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{
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fprintf_filtered (outfile, "%s %s = ",
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(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,
|
||
&type_print_raw_options);
|
||
}
|
||
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,
|
||
&type_print_raw_options);
|
||
fprintf_filtered (outfile, "; ");
|
||
}
|
||
else
|
||
fprintf_filtered (outfile, "%s ", SYMBOL_PRINT_NAME (symbol));
|
||
|
||
switch (SYMBOL_CLASS (symbol))
|
||
{
|
||
case LOC_CONST:
|
||
fprintf_filtered (outfile, "const %s (%s)",
|
||
plongest (SYMBOL_VALUE (symbol)),
|
||
hex_string (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 %s",
|
||
plongest (SYMBOL_VALUE (symbol)));
|
||
else
|
||
fprintf_filtered (outfile, "register %s",
|
||
plongest (SYMBOL_VALUE (symbol)));
|
||
break;
|
||
|
||
case LOC_ARG:
|
||
fprintf_filtered (outfile, "arg at offset %s",
|
||
hex_string (SYMBOL_VALUE (symbol)));
|
||
break;
|
||
|
||
case LOC_REF_ARG:
|
||
fprintf_filtered (outfile, "reference arg at %s",
|
||
hex_string (SYMBOL_VALUE (symbol)));
|
||
break;
|
||
|
||
case LOC_REGPARM_ADDR:
|
||
fprintf_filtered (outfile, "address parameter register %s",
|
||
plongest (SYMBOL_VALUE (symbol)));
|
||
break;
|
||
|
||
case LOC_LOCAL:
|
||
fprintf_filtered (outfile, "local at offset %s",
|
||
hex_string (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;
|
||
}
|
||
|
||
static 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 = gdb_realpath (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);
|
||
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
{
|
||
QUIT;
|
||
if (symname == NULL || (!stat (objfile_name (objfile), &obj_st)
|
||
&& sym_st.st_dev == obj_st.st_dev
|
||
&& sym_st.st_ino == obj_st.st_ino))
|
||
dump_msymbols (objfile, outfile);
|
||
}
|
||
fprintf_filtered (outfile, "\n\n");
|
||
do_cleanups (cleanups);
|
||
}
|
||
|
||
static void
|
||
maintenance_print_objfiles (char *regexp, int from_tty)
|
||
{
|
||
struct program_space *pspace;
|
||
struct objfile *objfile;
|
||
|
||
dont_repeat ();
|
||
|
||
if (regexp)
|
||
re_comp (regexp);
|
||
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
{
|
||
QUIT;
|
||
if (! regexp
|
||
|| re_exec (objfile_name (objfile)))
|
||
dump_objfile (objfile);
|
||
}
|
||
}
|
||
|
||
/* List all the symbol tables whose names match REGEXP (optional). */
|
||
|
||
static void
|
||
maintenance_info_symtabs (char *regexp, int from_tty)
|
||
{
|
||
struct program_space *pspace;
|
||
struct objfile *objfile;
|
||
|
||
dont_repeat ();
|
||
|
||
if (regexp)
|
||
re_comp (regexp);
|
||
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
{
|
||
struct compunit_symtab *cust;
|
||
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_COMPUNITS (objfile, cust)
|
||
{
|
||
int printed_compunit_symtab_start = 0;
|
||
|
||
ALL_COMPUNIT_FILETABS (cust, symtab)
|
||
{
|
||
QUIT;
|
||
|
||
if (! regexp
|
||
|| re_exec (symtab_to_filename_for_display (symtab)))
|
||
{
|
||
if (! printed_objfile_start)
|
||
{
|
||
printf_filtered ("{ objfile %s ", objfile_name (objfile));
|
||
wrap_here (" ");
|
||
printf_filtered ("((struct objfile *) %s)\n",
|
||
host_address_to_string (objfile));
|
||
printed_objfile_start = 1;
|
||
}
|
||
if (! printed_compunit_symtab_start)
|
||
{
|
||
printf_filtered (" { ((struct compunit_symtab *) %s)\n",
|
||
host_address_to_string (cust));
|
||
printf_filtered (" debugformat %s\n",
|
||
COMPUNIT_DEBUGFORMAT (cust));
|
||
printf_filtered (" producer %s\n",
|
||
COMPUNIT_PRODUCER (cust) != NULL
|
||
? COMPUNIT_PRODUCER (cust)
|
||
: "(null)");
|
||
printf_filtered (" dirname %s\n",
|
||
COMPUNIT_DIRNAME (cust) != NULL
|
||
? COMPUNIT_DIRNAME (cust)
|
||
: "(null)");
|
||
printf_filtered (" blockvector"
|
||
" ((struct blockvector *) %s)\n",
|
||
host_address_to_string
|
||
(COMPUNIT_BLOCKVECTOR (cust)));
|
||
printed_compunit_symtab_start = 1;
|
||
}
|
||
|
||
printf_filtered ("\t{ symtab %s ",
|
||
symtab_to_filename_for_display (symtab));
|
||
wrap_here (" ");
|
||
printf_filtered ("((struct symtab *) %s)\n",
|
||
host_address_to_string (symtab));
|
||
printf_filtered ("\t fullname %s\n",
|
||
symtab->fullname != NULL
|
||
? symtab->fullname
|
||
: "(null)");
|
||
printf_filtered ("\t "
|
||
"linetable ((struct linetable *) %s)\n",
|
||
host_address_to_string (symtab->linetable));
|
||
printf_filtered ("\t}\n");
|
||
}
|
||
}
|
||
|
||
if (printed_compunit_symtab_start)
|
||
printf_filtered (" }\n");
|
||
}
|
||
|
||
if (printed_objfile_start)
|
||
printf_filtered ("}\n");
|
||
}
|
||
}
|
||
|
||
/* Check consistency of symtabs.
|
||
An example of what this checks for is NULL blockvectors.
|
||
They can happen if there's a bug during debug info reading.
|
||
GDB assumes they are always non-NULL.
|
||
|
||
Note: This does not check for psymtab vs symtab consistency.
|
||
Use "maint check-psymtabs" for that. */
|
||
|
||
static void
|
||
maintenance_check_symtabs (char *ignore, int from_tty)
|
||
{
|
||
struct program_space *pspace;
|
||
struct objfile *objfile;
|
||
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
{
|
||
struct compunit_symtab *cust;
|
||
|
||
/* We don't want to print anything for this objfile until we
|
||
actually find something worth printing. */
|
||
int printed_objfile_start = 0;
|
||
|
||
ALL_OBJFILE_COMPUNITS (objfile, cust)
|
||
{
|
||
int found_something = 0;
|
||
struct symtab *symtab = compunit_primary_filetab (cust);
|
||
|
||
QUIT;
|
||
|
||
if (COMPUNIT_BLOCKVECTOR (cust) == NULL)
|
||
found_something = 1;
|
||
/* Add more checks here. */
|
||
|
||
if (found_something)
|
||
{
|
||
if (! printed_objfile_start)
|
||
{
|
||
printf_filtered ("{ objfile %s ", objfile_name (objfile));
|
||
wrap_here (" ");
|
||
printf_filtered ("((struct objfile *) %s)\n",
|
||
host_address_to_string (objfile));
|
||
printed_objfile_start = 1;
|
||
}
|
||
printf_filtered (" { symtab %s\n",
|
||
symtab_to_filename_for_display (symtab));
|
||
if (COMPUNIT_BLOCKVECTOR (cust) == NULL)
|
||
printf_filtered (" NULL blockvector\n");
|
||
printf_filtered (" }\n");
|
||
}
|
||
}
|
||
|
||
if (printed_objfile_start)
|
||
printf_filtered ("}\n");
|
||
}
|
||
}
|
||
|
||
/* Helper function for maintenance_expand_symtabs.
|
||
This is the name_matcher function for expand_symtabs_matching. */
|
||
|
||
static int
|
||
maintenance_expand_name_matcher (const char *symname, void *data)
|
||
{
|
||
/* Since we're not searching on symbols, just return TRUE. */
|
||
return 1;
|
||
}
|
||
|
||
/* Helper function for maintenance_expand_symtabs.
|
||
This is the file_matcher function for expand_symtabs_matching. */
|
||
|
||
static int
|
||
maintenance_expand_file_matcher (const char *filename, void *data,
|
||
int basenames)
|
||
{
|
||
const char *regexp = (const char *) data;
|
||
|
||
QUIT;
|
||
|
||
/* KISS: Only apply the regexp to the complete file name. */
|
||
if (basenames)
|
||
return 0;
|
||
|
||
if (regexp == NULL || re_exec (filename))
|
||
return 1;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Expand all symbol tables whose name matches an optional regexp. */
|
||
|
||
static void
|
||
maintenance_expand_symtabs (char *args, int from_tty)
|
||
{
|
||
struct program_space *pspace;
|
||
struct objfile *objfile;
|
||
struct cleanup *cleanups;
|
||
char **argv;
|
||
char *regexp = NULL;
|
||
|
||
/* We use buildargv here so that we handle spaces in the regexp
|
||
in a way that allows adding more arguments later. */
|
||
argv = gdb_buildargv (args);
|
||
cleanups = make_cleanup_freeargv (argv);
|
||
|
||
if (argv != NULL)
|
||
{
|
||
if (argv[0] != NULL)
|
||
{
|
||
regexp = argv[0];
|
||
if (argv[1] != NULL)
|
||
error (_("Extra arguments after regexp."));
|
||
}
|
||
}
|
||
|
||
if (regexp)
|
||
re_comp (regexp);
|
||
|
||
ALL_PSPACES (pspace)
|
||
ALL_PSPACE_OBJFILES (pspace, objfile)
|
||
{
|
||
if (objfile->sf)
|
||
{
|
||
objfile->sf->qf->expand_symtabs_matching
|
||
(objfile, maintenance_expand_file_matcher,
|
||
maintenance_expand_name_matcher, NULL, ALL_DOMAIN, regexp);
|
||
}
|
||
}
|
||
|
||
do_cleanups (cleanups);
|
||
}
|
||
|
||
|
||
/* 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;
|
||
}
|
||
|
||
|
||
/* Do early runtime initializations. */
|
||
|
||
void
|
||
_initialize_symmisc (void)
|
||
{
|
||
std_in = stdin;
|
||
std_out = stdout;
|
||
std_err = stderr;
|
||
|
||
add_cmd ("symbols", class_maintenance, maintenance_print_symbols, _("\
|
||
Print dump of current symbol definitions.\n\
|
||
Entries in the full symbol table are dumped to file OUTFILE.\n\
|
||
If a SOURCE file is specified, dump only that file's symbols."),
|
||
&maintenanceprintlist);
|
||
|
||
add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols, _("\
|
||
Print dump of current minimal symbol definitions.\n\
|
||
Entries in the minimal symbol table are dumped to file OUTFILE.\n\
|
||
If a SOURCE file is specified, dump only that file's minimal symbols."),
|
||
&maintenanceprintlist);
|
||
|
||
add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
|
||
_("Print dump of current object file definitions.\n\
|
||
With an argument REGEXP, list the object files with matching names."),
|
||
&maintenanceprintlist);
|
||
|
||
add_cmd ("symtabs", class_maintenance, maintenance_info_symtabs, _("\
|
||
List the full symbol tables for all object files.\n\
|
||
This does not include information about individual symbols, blocks, or\n\
|
||
linetables --- just the symbol table structures themselves.\n\
|
||
With an argument REGEXP, list the symbol tables with matching names."),
|
||
&maintenanceinfolist);
|
||
|
||
add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs,
|
||
_("\
|
||
Check consistency of currently expanded symtabs."),
|
||
&maintenancelist);
|
||
|
||
add_cmd ("expand-symtabs", class_maintenance, maintenance_expand_symtabs,
|
||
_("Expand symbol tables.\n\
|
||
With an argument REGEXP, only expand the symbol tables with matching names."),
|
||
&maintenancelist);
|
||
}
|