1098 lines
30 KiB
C
1098 lines
30 KiB
C
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/* Do various things to symbol tables (other than lookup), for GDB.
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Copyright (C) 1986-2020 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/tilde.h"
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#include "psymtab.h"
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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 (const struct block *);
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static void print_symbol (struct gdbarch *gdbarch, struct symbol *symbol,
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int depth, ui_file *outfile);
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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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ALL_PSPACES (pspace)
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for (objfile *objfile : pspace->objfiles ())
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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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objfile->partial_symtabs->psymbol_cache.print_statistics
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("partial symbol cache");
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objfile->per_bfd->macro_cache.print_statistics
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("preprocessor macro cache");
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objfile->per_bfd->filename_cache.print_statistics ("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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int i, linetables, blockvectors;
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ALL_PSPACES (pspace)
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for (objfile *objfile : pspace->objfiles ())
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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 = 0;
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for (compunit_symtab *cu : objfile->compunits ())
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{
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for (symtab *s : compunit_filetabs (cu))
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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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}
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blockvectors = std::distance (objfile->compunits ().begin (),
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objfile->compunits ().end ());
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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 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
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(_(" Total memory used for psymbol cache: %d\n"),
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objfile->partial_symtabs->psymbol_cache.memory_used ());
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printf_filtered (_(" Total memory used for macro cache: %d\n"),
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objfile->per_bfd->macro_cache.memory_used ());
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printf_filtered (_(" Total memory used for file name cache: %d\n"),
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objfile->per_bfd->filename_cache.memory_used ());
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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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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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for (compunit_symtab *cu : objfile->compunits ())
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{
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for (symtab *symtab : compunit_filetabs (cu))
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{
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printf_filtered ("%s at ",
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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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}
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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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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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for (minimal_symbol *msymbol : objfile->msymbols ())
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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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case mst_data_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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/* Use the relocated address as shown in the symbol here -- do
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not try to respect copy relocations. */
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CORE_ADDR addr = (msymbol->value.address
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+ ANOFFSET (objfile->section_offsets,
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msymbol->section));
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fputs_filtered (paddress (gdbarch, addr), outfile);
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fprintf_filtered (outfile, " %s", msymbol->linkage_name ());
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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 (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 () != NULL)
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{
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fprintf_filtered (outfile, " %s", msymbol->demangled_name ());
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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 symtab *symtab, struct ui_file *outfile)
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{
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struct objfile *objfile = SYMTAB_OBJFILE (symtab);
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struct gdbarch *gdbarch = get_objfile_arch (objfile);
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int i;
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struct mdict_iterator miter;
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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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const 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 ");
|
|||
|
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 ",
|
|||
|
mdict_size (BLOCK_MULTIDICT (b)));
|
|||
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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",
|
|||
|
BLOCK_FUNCTION (b)->linkage_name ());
|
|||
|
if (BLOCK_FUNCTION (b)->demangled_name () != NULL)
|
|||
|
{
|
|||
|
fprintf_filtered (outfile, ", %s",
|
|||
|
BLOCK_FUNCTION (b)->demangled_name ());
|
|||
|
}
|
|||
|
}
|
|||
|
fprintf_filtered (outfile, "\n");
|
|||
|
/* Now print each symbol in this block (in no particular order, if
|
|||
|
we're using a hashtable). Note that we only want this
|
|||
|
block, not any blocks from included symtabs. */
|
|||
|
ALL_DICT_SYMBOLS (BLOCK_MULTIDICT (b), miter, sym)
|
|||
|
{
|
|||
|
try
|
|||
|
{
|
|||
|
print_symbol (gdbarch, sym, depth + 1, outfile);
|
|||
|
}
|
|||
|
catch (const gdb_exception_error &ex)
|
|||
|
{
|
|||
|
exception_fprintf (gdb_stderr, ex,
|
|||
|
"Error printing symbol:\n");
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
fprintf_filtered (outfile, "\n");
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
const char *compunit_filename
|
|||
|
= symtab_to_filename_for_display (COMPUNIT_FILETABS (SYMTAB_COMPUNIT (symtab)));
|
|||
|
|
|||
|
fprintf_filtered (outfile,
|
|||
|
"\nBlockvector same as owning compunit: %s\n\n",
|
|||
|
compunit_filename);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
dump_symtab (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)
|
|||
|
{
|
|||
|
scoped_restore_current_language save_lang;
|
|||
|
set_language (symtab->language);
|
|||
|
dump_symtab_1 (symtab, outfile);
|
|||
|
}
|
|||
|
else
|
|||
|
dump_symtab_1 (symtab, outfile);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
maintenance_print_symbols (const char *args, int from_tty)
|
|||
|
{
|
|||
|
struct ui_file *outfile = gdb_stdout;
|
|||
|
char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL;
|
|||
|
int i, outfile_idx;
|
|||
|
|
|||
|
dont_repeat ();
|
|||
|
|
|||
|
gdb_argv argv (args);
|
|||
|
|
|||
|
for (i = 0; argv != NULL && argv[i] != NULL; ++i)
|
|||
|
{
|
|||
|
if (strcmp (argv[i], "-pc") == 0)
|
|||
|
{
|
|||
|
if (argv[i + 1] == NULL)
|
|||
|
error (_("Missing pc value"));
|
|||
|
address_arg = argv[++i];
|
|||
|
}
|
|||
|
else if (strcmp (argv[i], "-source") == 0)
|
|||
|
{
|
|||
|
if (argv[i + 1] == NULL)
|
|||
|
error (_("Missing source file"));
|
|||
|
source_arg = argv[++i];
|
|||
|
}
|
|||
|
else if (strcmp (argv[i], "-objfile") == 0)
|
|||
|
{
|
|||
|
if (argv[i + 1] == NULL)
|
|||
|
error (_("Missing objfile name"));
|
|||
|
objfile_arg = argv[++i];
|
|||
|
}
|
|||
|
else if (strcmp (argv[i], "--") == 0)
|
|||
|
{
|
|||
|
/* End of options. */
|
|||
|
++i;
|
|||
|
break;
|
|||
|
}
|
|||
|
else if (argv[i][0] == '-')
|
|||
|
{
|
|||
|
/* Future proofing: Don't allow OUTFILE to begin with "-". */
|
|||
|
error (_("Unknown option: %s"), argv[i]);
|
|||
|
}
|
|||
|
else
|
|||
|
break;
|
|||
|
}
|
|||
|
outfile_idx = i;
|
|||
|
|
|||
|
if (address_arg != NULL && source_arg != NULL)
|
|||
|
error (_("Must specify at most one of -pc and -source"));
|
|||
|
|
|||
|
stdio_file arg_outfile;
|
|||
|
|
|||
|
if (argv != NULL && argv[outfile_idx] != NULL)
|
|||
|
{
|
|||
|
if (argv[outfile_idx + 1] != NULL)
|
|||
|
error (_("Junk at end of command"));
|
|||
|
gdb::unique_xmalloc_ptr<char> outfile_name
|
|||
|
(tilde_expand (argv[outfile_idx]));
|
|||
|
if (!arg_outfile.open (outfile_name.get (), FOPEN_WT))
|
|||
|
perror_with_name (outfile_name.get ());
|
|||
|
outfile = &arg_outfile;
|
|||
|
}
|
|||
|
|
|||
|
if (address_arg != NULL)
|
|||
|
{
|
|||
|
CORE_ADDR pc = parse_and_eval_address (address_arg);
|
|||
|
struct symtab *s = find_pc_line_symtab (pc);
|
|||
|
|
|||
|
if (s == NULL)
|
|||
|
error (_("No symtab for address: %s"), address_arg);
|
|||
|
dump_symtab (s, outfile);
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
int found = 0;
|
|||
|
|
|||
|
for (objfile *objfile : current_program_space->objfiles ())
|
|||
|
{
|
|||
|
int print_for_objfile = 1;
|
|||
|
|
|||
|
if (objfile_arg != NULL)
|
|||
|
print_for_objfile
|
|||
|
= compare_filenames_for_search (objfile_name (objfile),
|
|||
|
objfile_arg);
|
|||
|
if (!print_for_objfile)
|
|||
|
continue;
|
|||
|
|
|||
|
for (compunit_symtab *cu : objfile->compunits ())
|
|||
|
{
|
|||
|
for (symtab *s : compunit_filetabs (cu))
|
|||
|
{
|
|||
|
int print_for_source = 0;
|
|||
|
|
|||
|
QUIT;
|
|||
|
if (source_arg != NULL)
|
|||
|
{
|
|||
|
print_for_source
|
|||
|
= compare_filenames_for_search
|
|||
|
(symtab_to_filename_for_display (s), source_arg);
|
|||
|
found = 1;
|
|||
|
}
|
|||
|
if (source_arg == NULL
|
|||
|
|| print_for_source)
|
|||
|
dump_symtab (s, outfile);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if (source_arg != NULL && !found)
|
|||
|
error (_("No symtab for source file: %s"), source_arg);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/* Print symbol SYMBOL on OUTFILE. DEPTH says how far to indent. */
|
|||
|
|
|||
|
static void
|
|||
|
print_symbol (struct gdbarch *gdbarch, struct symbol *symbol,
|
|||
|
int depth, ui_file *outfile)
|
|||
|
{
|
|||
|
struct obj_section *section;
|
|||
|
|
|||
|
if (SYMBOL_OBJFILE_OWNED (symbol))
|
|||
|
section = SYMBOL_OBJ_SECTION (symbol_objfile (symbol), symbol);
|
|||
|
else
|
|||
|
section = NULL;
|
|||
|
|
|||
|
print_spaces (depth, outfile);
|
|||
|
if (SYMBOL_DOMAIN (symbol) == LABEL_DOMAIN)
|
|||
|
{
|
|||
|
fprintf_filtered (outfile, "label %s at ", symbol->print_name ());
|
|||
|
fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
|
|||
|
outfile);
|
|||
|
if (section)
|
|||
|
fprintf_filtered (outfile, " section %s\n",
|
|||
|
bfd_section_name (section->the_bfd_section));
|
|||
|
else
|
|||
|
fprintf_filtered (outfile, "\n");
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if (SYMBOL_DOMAIN (symbol) == STRUCT_DOMAIN)
|
|||
|
{
|
|||
|
if (TYPE_NAME (SYMBOL_TYPE (symbol)))
|
|||
|
{
|
|||
|
LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth,
|
|||
|
&type_print_raw_options);
|
|||
|
}
|
|||
|
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 ());
|
|||
|
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 (),
|
|||
|
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 ());
|
|||
|
|
|||
|
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 %s hex bytes:",
|
|||
|
pulongest (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));
|
|||
|
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));
|
|||
|
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));
|
|||
|
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");
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
maintenance_print_msymbols (const char *args, int from_tty)
|
|||
|
{
|
|||
|
struct ui_file *outfile = gdb_stdout;
|
|||
|
char *objfile_arg = NULL;
|
|||
|
int i, outfile_idx;
|
|||
|
|
|||
|
dont_repeat ();
|
|||
|
|
|||
|
gdb_argv argv (args);
|
|||
|
|
|||
|
for (i = 0; argv != NULL && argv[i] != NULL; ++i)
|
|||
|
{
|
|||
|
if (strcmp (argv[i], "-objfile") == 0)
|
|||
|
{
|
|||
|
if (argv[i + 1] == NULL)
|
|||
|
error (_("Missing objfile name"));
|
|||
|
objfile_arg = argv[++i];
|
|||
|
}
|
|||
|
else if (strcmp (argv[i], "--") == 0)
|
|||
|
{
|
|||
|
/* End of options. */
|
|||
|
++i;
|
|||
|
break;
|
|||
|
}
|
|||
|
else if (argv[i][0] == '-')
|
|||
|
{
|
|||
|
/* Future proofing: Don't allow OUTFILE to begin with "-". */
|
|||
|
error (_("Unknown option: %s"), argv[i]);
|
|||
|
}
|
|||
|
else
|
|||
|
break;
|
|||
|
}
|
|||
|
outfile_idx = i;
|
|||
|
|
|||
|
stdio_file arg_outfile;
|
|||
|
|
|||
|
if (argv != NULL && argv[outfile_idx] != NULL)
|
|||
|
{
|
|||
|
if (argv[outfile_idx + 1] != NULL)
|
|||
|
error (_("Junk at end of command"));
|
|||
|
gdb::unique_xmalloc_ptr<char> outfile_name
|
|||
|
(tilde_expand (argv[outfile_idx]));
|
|||
|
if (!arg_outfile.open (outfile_name.get (), FOPEN_WT))
|
|||
|
perror_with_name (outfile_name.get ());
|
|||
|
outfile = &arg_outfile;
|
|||
|
}
|
|||
|
|
|||
|
for (objfile *objfile : current_program_space->objfiles ())
|
|||
|
{
|
|||
|
QUIT;
|
|||
|
if (objfile_arg == NULL
|
|||
|
|| compare_filenames_for_search (objfile_name (objfile), objfile_arg))
|
|||
|
dump_msymbols (objfile, outfile);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
maintenance_print_objfiles (const char *regexp, int from_tty)
|
|||
|
{
|
|||
|
struct program_space *pspace;
|
|||
|
|
|||
|
dont_repeat ();
|
|||
|
|
|||
|
if (regexp)
|
|||
|
re_comp (regexp);
|
|||
|
|
|||
|
ALL_PSPACES (pspace)
|
|||
|
for (objfile *objfile : pspace->objfiles ())
|
|||
|
{
|
|||
|
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 (const char *regexp, int from_tty)
|
|||
|
{
|
|||
|
struct program_space *pspace;
|
|||
|
|
|||
|
dont_repeat ();
|
|||
|
|
|||
|
if (regexp)
|
|||
|
re_comp (regexp);
|
|||
|
|
|||
|
ALL_PSPACES (pspace)
|
|||
|
for (objfile *objfile : pspace->objfiles ())
|
|||
|
{
|
|||
|
/* We don't want to print anything for this objfile until we
|
|||
|
actually find a symtab whose name matches. */
|
|||
|
int printed_objfile_start = 0;
|
|||
|
|
|||
|
for (compunit_symtab *cust : objfile->compunits ())
|
|||
|
{
|
|||
|
int printed_compunit_symtab_start = 0;
|
|||
|
|
|||
|
for (symtab *symtab : compunit_filetabs (cust))
|
|||
|
{
|
|||
|
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 (const char *ignore, int from_tty)
|
|||
|
{
|
|||
|
struct program_space *pspace;
|
|||
|
|
|||
|
ALL_PSPACES (pspace)
|
|||
|
for (objfile *objfile : pspace->objfiles ())
|
|||
|
{
|
|||
|
/* We don't want to print anything for this objfile until we
|
|||
|
actually find something worth printing. */
|
|||
|
int printed_objfile_start = 0;
|
|||
|
|
|||
|
for (compunit_symtab *cust : objfile->compunits ())
|
|||
|
{
|
|||
|
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");
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/* Expand all symbol tables whose name matches an optional regexp. */
|
|||
|
|
|||
|
static void
|
|||
|
maintenance_expand_symtabs (const char *args, int from_tty)
|
|||
|
{
|
|||
|
struct program_space *pspace;
|
|||
|
char *regexp = NULL;
|
|||
|
|
|||
|
/* We use buildargv here so that we handle spaces in the regexp
|
|||
|
in a way that allows adding more arguments later. */
|
|||
|
gdb_argv argv (args);
|
|||
|
|
|||
|
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)
|
|||
|
for (objfile *objfile : pspace->objfiles ())
|
|||
|
{
|
|||
|
if (objfile->sf)
|
|||
|
{
|
|||
|
objfile->sf->qf->expand_symtabs_matching
|
|||
|
(objfile,
|
|||
|
[&] (const char *filename, bool basenames)
|
|||
|
{
|
|||
|
/* KISS: Only apply the regexp to the complete file name. */
|
|||
|
return (!basenames
|
|||
|
&& (regexp == NULL || re_exec (filename)));
|
|||
|
},
|
|||
|
lookup_name_info::match_any (),
|
|||
|
[] (const char *symname)
|
|||
|
{
|
|||
|
/* Since we're not searching on symbols, just return true. */
|
|||
|
return true;
|
|||
|
},
|
|||
|
NULL,
|
|||
|
ALL_DOMAIN);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* Return the nexting depth of a block within other blocks in its symtab. */
|
|||
|
|
|||
|
static int
|
|||
|
block_depth (const struct block *block)
|
|||
|
{
|
|||
|
int i = 0;
|
|||
|
|
|||
|
while ((block = BLOCK_SUPERBLOCK (block)) != NULL)
|
|||
|
{
|
|||
|
i++;
|
|||
|
}
|
|||
|
return i;
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* Used by MAINTENANCE_INFO_LINE_TABLES to print the information about a
|
|||
|
single line table. */
|
|||
|
|
|||
|
static int
|
|||
|
maintenance_print_one_line_table (struct symtab *symtab, void *data)
|
|||
|
{
|
|||
|
struct linetable *linetable;
|
|||
|
struct objfile *objfile;
|
|||
|
|
|||
|
objfile = symtab->compunit_symtab->objfile;
|
|||
|
printf_filtered (_("objfile: %s ((struct objfile *) %s)\n"),
|
|||
|
objfile_name (objfile),
|
|||
|
host_address_to_string (objfile));
|
|||
|
printf_filtered (_("compunit_symtab: ((struct compunit_symtab *) %s)\n"),
|
|||
|
host_address_to_string (symtab->compunit_symtab));
|
|||
|
printf_filtered (_("symtab: %s ((struct symtab *) %s)\n"),
|
|||
|
symtab_to_fullname (symtab),
|
|||
|
host_address_to_string (symtab));
|
|||
|
linetable = SYMTAB_LINETABLE (symtab);
|
|||
|
printf_filtered (_("linetable: ((struct linetable *) %s):\n"),
|
|||
|
host_address_to_string (linetable));
|
|||
|
|
|||
|
if (linetable == NULL)
|
|||
|
printf_filtered (_("No line table.\n"));
|
|||
|
else if (linetable->nitems <= 0)
|
|||
|
printf_filtered (_("Line table has no lines.\n"));
|
|||
|
else
|
|||
|
{
|
|||
|
int i;
|
|||
|
|
|||
|
/* Leave space for 6 digits of index and line number. After that the
|
|||
|
tables will just not format as well. */
|
|||
|
printf_filtered (_("%-6s %6s %s\n"),
|
|||
|
_("INDEX"), _("LINE"), _("ADDRESS"));
|
|||
|
|
|||
|
for (i = 0; i < linetable->nitems; ++i)
|
|||
|
{
|
|||
|
struct linetable_entry *item;
|
|||
|
|
|||
|
item = &linetable->item [i];
|
|||
|
printf_filtered (_("%-6d %6d %s\n"), i, item->line,
|
|||
|
core_addr_to_string (item->pc));
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return 0;
|
|||
|
}
|
|||
|
|
|||
|
/* Implement the 'maint info line-table' command. */
|
|||
|
|
|||
|
static void
|
|||
|
maintenance_info_line_tables (const char *regexp, int from_tty)
|
|||
|
{
|
|||
|
struct program_space *pspace;
|
|||
|
|
|||
|
dont_repeat ();
|
|||
|
|
|||
|
if (regexp != NULL)
|
|||
|
re_comp (regexp);
|
|||
|
|
|||
|
ALL_PSPACES (pspace)
|
|||
|
for (objfile *objfile : pspace->objfiles ())
|
|||
|
{
|
|||
|
for (compunit_symtab *cust : objfile->compunits ())
|
|||
|
{
|
|||
|
for (symtab *symtab : compunit_filetabs (cust))
|
|||
|
{
|
|||
|
QUIT;
|
|||
|
|
|||
|
if (regexp == NULL
|
|||
|
|| re_exec (symtab_to_filename_for_display (symtab)))
|
|||
|
maintenance_print_one_line_table (symtab, NULL);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
|
|||
|
/* 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\
|
|||
|
Usage: mt print symbols [-pc ADDRESS] [--] [OUTFILE]\n\
|
|||
|
mt print symbols [-objfile OBJFILE] [-source SOURCE] [--] [OUTFILE]\n\
|
|||
|
Entries in the full symbol table are dumped to file OUTFILE,\n\
|
|||
|
or the terminal if OUTFILE is unspecified.\n\
|
|||
|
If ADDRESS is provided, dump only the file for that address.\n\
|
|||
|
If SOURCE is provided, dump only that file's symbols.\n\
|
|||
|
If OBJFILE is provided, dump only that file's minimal symbols."),
|
|||
|
&maintenanceprintlist);
|
|||
|
|
|||
|
add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols, _("\
|
|||
|
Print dump of current minimal symbol definitions.\n\
|
|||
|
Usage: mt print msymbols [-objfile OBJFILE] [--] [OUTFILE]\n\
|
|||
|
Entries in the minimal symbol table are dumped to file OUTFILE,\n\
|
|||
|
or the terminal if OUTFILE is unspecified.\n\
|
|||
|
If OBJFILE is provided, 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 ("line-table", class_maintenance, maintenance_info_line_tables, _("\
|
|||
|
List the contents of all line tables, from all symbol tables.\n\
|
|||
|
With an argument REGEXP, list just the line tables for the symbol\n\
|
|||
|
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);
|
|||
|
}
|