-/* Do various things to symbol tables (other than lookup)), for GDB.
- Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
+/* Do various things to symbol tables (other than lookup), for GDB.
-This file is part of GDB.
+ Copyright (C) 1986-2000, 2002-2004, 2007-2012 Free Software
+ Foundation, Inc.
-GDB is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
+ This file is part of GDB.
-GDB is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-You should have received a copy of the GNU General Public License
-along with GDB; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
-
-#include <stdio.h>
-#include <obstack.h>
-
-static void free_symtab ();
-
+#include "gdbtypes.h"
+#include "bfd.h"
+#include "filenames.h"
+#include "symfile.h"
+#include "objfiles.h"
+#include "breakpoint.h"
+#include "command.h"
+#include "gdb_obstack.h"
+#include "exceptions.h"
+#include "language.h"
+#include "bcache.h"
+#include "block.h"
+#include "gdb_regex.h"
+#include "gdb_stat.h"
+#include "dictionary.h"
+
+#include "gdb_string.h"
+#include "readline/readline.h"
+
+#include "psymtab.h"
+
+#ifndef DEV_TTY
+#define DEV_TTY "/dev/tty"
+#endif
+
+/* Unfortunately for debugging, stderr is usually a macro. This is painful
+ when calling functions that take FILE *'s from the debugger.
+ So we make a variable which has the same value and which is accessible when
+ debugging GDB with itself. Because stdin et al need not be constants,
+ we initialize them in the _initialize_symmisc function at the bottom
+ of the file. */
+FILE *std_in;
+FILE *std_out;
+FILE *std_err;
+
+/* Prototypes for local functions */
+
+static void dump_symtab (struct objfile *, struct symtab *,
+ struct ui_file *);
+
+static void dump_msymbols (struct objfile *, struct ui_file *);
+
+static void dump_objfile (struct objfile *);
+
+static int block_depth (struct block *);
+
+void _initialize_symmisc (void);
+
+struct print_symbol_args
+ {
+ struct gdbarch *gdbarch;
+ struct symbol *symbol;
+ int depth;
+ struct ui_file *outfile;
+ };
+
+static int print_symbol (void *);
\f
-/* Free all the symtabs that are currently installed,
- and all storage associated with them.
- Leaves us in a consistent state with no symtabs installed. */
void
-free_all_symtabs ()
+print_symbol_bcache_statistics (void)
{
- register struct symtab *s, *snext;
-
- /* All values will be invalid because their types will be! */
+ struct program_space *pspace;
+ struct objfile *objfile;
- clear_value_history ();
- clear_displays ();
- clear_internalvars ();
- clear_breakpoints ();
- set_default_breakpoint (0, 0, 0, 0);
+ immediate_quit++;
+ ALL_PSPACES (pspace)
+ ALL_PSPACE_OBJFILES (pspace, objfile)
+ {
+ printf_filtered (_("Byte cache statistics for '%s':\n"), objfile->name);
+ print_bcache_statistics (psymbol_bcache_get_bcache (objfile->psymbol_cache),
+ "partial symbol cache");
+ print_bcache_statistics (objfile->macro_cache, "preprocessor macro cache");
+ print_bcache_statistics (objfile->filename_cache, "file name cache");
+ }
+ immediate_quit--;
+}
- current_source_symtab = 0;
+void
+print_objfile_statistics (void)
+{
+ struct program_space *pspace;
+ struct objfile *objfile;
+ struct symtab *s;
+ int i, linetables, blockvectors;
- for (s = symtab_list; s; s = snext)
- {
- snext = s->next;
- free_symtab (s);
- }
- symtab_list = 0;
- obstack_free (symbol_obstack, 0);
- obstack_init (symbol_obstack);
-
- if (misc_function_vector)
- free (misc_function_vector);
- misc_function_count = 0;
- misc_function_vector = 0;
+ immediate_quit++;
+ ALL_PSPACES (pspace)
+ ALL_PSPACE_OBJFILES (pspace, objfile)
+ {
+ printf_filtered (_("Statistics for '%s':\n"), objfile->name);
+ if (OBJSTAT (objfile, n_stabs) > 0)
+ printf_filtered (_(" Number of \"stab\" symbols read: %d\n"),
+ OBJSTAT (objfile, n_stabs));
+ if (OBJSTAT (objfile, n_minsyms) > 0)
+ printf_filtered (_(" Number of \"minimal\" symbols read: %d\n"),
+ OBJSTAT (objfile, n_minsyms));
+ if (OBJSTAT (objfile, n_psyms) > 0)
+ printf_filtered (_(" Number of \"partial\" symbols read: %d\n"),
+ OBJSTAT (objfile, n_psyms));
+ if (OBJSTAT (objfile, n_syms) > 0)
+ printf_filtered (_(" Number of \"full\" symbols read: %d\n"),
+ OBJSTAT (objfile, n_syms));
+ if (OBJSTAT (objfile, n_types) > 0)
+ printf_filtered (_(" Number of \"types\" defined: %d\n"),
+ OBJSTAT (objfile, n_types));
+ if (objfile->sf)
+ objfile->sf->qf->print_stats (objfile);
+ i = linetables = blockvectors = 0;
+ ALL_OBJFILE_SYMTABS (objfile, s)
+ {
+ i++;
+ if (s->linetable != NULL)
+ linetables++;
+ if (s->primary == 1)
+ blockvectors++;
+ }
+ printf_filtered (_(" Number of symbol tables: %d\n"), i);
+ printf_filtered (_(" Number of symbol tables with line tables: %d\n"),
+ linetables);
+ printf_filtered (_(" Number of symbol tables with blockvectors: %d\n"),
+ blockvectors);
+
+ if (OBJSTAT (objfile, sz_strtab) > 0)
+ printf_filtered (_(" Space used by a.out string tables: %d\n"),
+ OBJSTAT (objfile, sz_strtab));
+ printf_filtered (_(" Total memory used for objfile obstack: %d\n"),
+ obstack_memory_used (&objfile->objfile_obstack));
+ printf_filtered (_(" Total memory used for psymbol cache: %d\n"),
+ bcache_memory_used (psymbol_bcache_get_bcache
+ (objfile->psymbol_cache)));
+ printf_filtered (_(" Total memory used for macro cache: %d\n"),
+ bcache_memory_used (objfile->macro_cache));
+ printf_filtered (_(" Total memory used for file name cache: %d\n"),
+ bcache_memory_used (objfile->filename_cache));
+ }
+ immediate_quit--;
}
-/* Free a struct block <- B and all the symbols defined in that block. */
-
static void
-free_symtab_block (b)
- struct block *b;
+dump_objfile (struct objfile *objfile)
{
- register int i, n;
- n = BLOCK_NSYMS (b);
- for (i = 0; i < n; i++)
- {
- free (SYMBOL_NAME (BLOCK_SYM (b, i)));
- free (BLOCK_SYM (b, i));
- }
- free (b);
-}
+ struct symtab *symtab;
-/* Free all the storage associated with the struct symtab <- S.
- Note that some symtabs have contents malloc'ed structure by structure,
- while some have contents that all live inside one big block of memory,
- and some share the contents of another symbol table and so you should
- not free the contents on their behalf (except sometimes the linetable,
- which maybe per symtab even when the rest is not).
- It is s->free_code that says which alternative to use. */
+ printf_filtered ("\nObject file %s: ", objfile->name);
+ printf_filtered ("Objfile at ");
+ gdb_print_host_address (objfile, gdb_stdout);
+ printf_filtered (", bfd at ");
+ gdb_print_host_address (objfile->obfd, gdb_stdout);
+ printf_filtered (", %d minsyms\n\n",
+ objfile->minimal_symbol_count);
-static void
-free_symtab (s)
- register struct symtab *s;
-{
- register int i, n;
- register struct blockvector *bv;
- register struct type *type;
- register struct typevector *tv;
+ if (objfile->sf)
+ objfile->sf->qf->dump (objfile);
- switch (s->free_code)
+ if (objfile->symtabs)
{
- case free_nothing:
- /* All the contents are part of a big block of memory
- and some other symtab is in charge of freeing that block.
- Therefore, do nothing. */
- break;
-
- case free_contents:
- /* Here all the contents were malloc'ed structure by structure
- and must be freed that way. */
- /* First free the blocks (and their symbols. */
- bv = BLOCKVECTOR (s);
- n = BLOCKVECTOR_NBLOCKS (bv);
- for (i = 0; i < n; i++)
- free_symtab_block (BLOCKVECTOR_BLOCK (bv, i));
- /* Free the blockvector itself. */
- free (bv);
- /* Free the type vector. */
- tv = TYPEVECTOR (s);
- free (tv);
- /* Also free the linetable. */
-
- case free_linetable:
- /* Everything will be freed either by our `free_ptr'
- or by some other symbatb, except for our linetable.
- Free that now. */
- free (LINETABLE (s));
- break;
+ printf_filtered ("Symtabs:\n");
+ for (symtab = objfile->symtabs;
+ symtab != NULL;
+ symtab = symtab->next)
+ {
+ printf_filtered ("%s at ", symtab->filename);
+ gdb_print_host_address (symtab, gdb_stdout);
+ printf_filtered (", ");
+ if (symtab->objfile != objfile)
+ {
+ printf_filtered ("NOT ON CHAIN! ");
+ }
+ wrap_here (" ");
+ }
+ printf_filtered ("\n\n");
}
-
- /* If there is a single block of memory to free, free it. */
- if (s->free_ptr)
- free (s->free_ptr);
-
- if (s->line_charpos)
- free (s->line_charpos);
- free (s->filename);
- free (s);
}
-\f
-/* Convert a raw symbol-segment to a struct symtab,
- and relocate its internal pointers so that it is valid. */
-/* This is how to relocate one pointer, given a name for it.
- Works independent of the type of object pointed to. */
-#define RELOCATE(slot) (slot ? (* (char **) &slot += relocation) : 0)
-
-/* This is the inverse of RELOCATE. We use it when storing
- a core address into a slot that has yet to be relocated. */
-#define UNRELOCATE(slot) (slot ? (* (char **) &slot -= relocation) : 0)
-
-/* During the process of relocation, this holds the amount to relocate by
- (the address of the file's symtab data, in core in the debugger). */
-static int relocation;
-
-#define CORE_RELOCATE(slot) \
- ((slot) += (((slot) < data_start) ? text_relocation \
- : ((slot) < bss_start) ? data_relocation : bss_relocation))
-
-#define TEXT_RELOCATE(slot) ((slot) += text_relocation)
-
-/* Relocation amounts for addresses in the program's core image. */
-static int text_relocation, data_relocation, bss_relocation;
-
-/* Boundaries that divide program core addresses into text, data and bss;
- used to determine which relocation amount to use. */
-static int data_start, bss_start;
-
-static void relocate_typevector ();
-static void relocate_blockvector ();
-static void relocate_type ();
-static void relocate_block ();
-static void relocate_symbol ();
-static void relocate_source ();
-
-/* Relocate a file's symseg so that all the pointers are valid C pointers.
- Value is a `struct symtab'; but it is not suitable for direct
- insertion into the `symtab_list' because it describes several files. */
-
-static struct symtab *
-relocate_symtab (root)
- struct symbol_root *root;
-{
- struct symtab *sp = (struct symtab *) xmalloc (sizeof (struct symtab));
- bzero (sp, sizeof (struct symtab));
-
- relocation = (int) root;
- text_relocation = root->textrel;
- data_relocation = root->datarel;
- bss_relocation = root->bssrel;
- data_start = root->databeg;
- bss_start = root->bssbeg;
-
- sp->filename = root->filename;
- sp->ldsymoff = root->ldsymoff;
- sp->language = root->language;
- sp->compilation = root->compilation;
- sp->version = root->version;
- sp->blockvector = root->blockvector;
- sp->typevector = root->typevector;
-
- RELOCATE (TYPEVECTOR (sp));
- RELOCATE (BLOCKVECTOR (sp));
- RELOCATE (sp->version);
- RELOCATE (sp->compilation);
- RELOCATE (sp->filename);
-
- relocate_typevector (TYPEVECTOR (sp));
- relocate_blockvector (BLOCKVECTOR (sp));
-
- return sp;
-}
-
-static void
-relocate_blockvector (blp)
- register struct blockvector *blp;
-{
- register int nblocks = BLOCKVECTOR_NBLOCKS (blp);
- register int i;
- for (i = 0; i < nblocks; i++)
- RELOCATE (BLOCKVECTOR_BLOCK (blp, i));
- for (i = 0; i < nblocks; i++)
- relocate_block (BLOCKVECTOR_BLOCK (blp, i));
-}
+/* Print minimal symbols from this objfile. */
static void
-relocate_block (bp)
- register struct block *bp;
+dump_msymbols (struct objfile *objfile, struct ui_file *outfile)
{
- register int nsyms = BLOCK_NSYMS (bp);
- register int i;
-
- TEXT_RELOCATE (BLOCK_START (bp));
- TEXT_RELOCATE (BLOCK_END (bp));
-
- /* These two should not be recursively processed.
- The superblock need not be because all blocks are
- processed from relocate_blockvector.
- The function need not be because it will be processed
- under the block which is its scope. */
- RELOCATE (BLOCK_SUPERBLOCK (bp));
- RELOCATE (BLOCK_FUNCTION (bp));
-
- for (i = 0; i < nsyms; i++)
- RELOCATE (BLOCK_SYM (bp, i));
-
- for (i = 0; i < nsyms; i++)
- relocate_symbol (BLOCK_SYM (bp, i));
-}
+ struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ struct minimal_symbol *msymbol;
+ int index;
+ char ms_type;
-static void
-relocate_symbol (sp)
- register struct symbol *sp;
-{
- RELOCATE (SYMBOL_NAME (sp));
- if (SYMBOL_CLASS (sp) == LOC_BLOCK)
+ fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile->name);
+ if (objfile->minimal_symbol_count == 0)
{
- RELOCATE (SYMBOL_BLOCK_VALUE (sp));
- /* We can assume the block that belongs to this symbol
- is not relocated yet, since it comes after
- the block that contains this symbol. */
- BLOCK_FUNCTION (SYMBOL_BLOCK_VALUE (sp)) = sp;
- UNRELOCATE (BLOCK_FUNCTION (SYMBOL_BLOCK_VALUE (sp)));
+ fprintf_filtered (outfile, "No minimal symbols found.\n");
+ return;
}
- else if (SYMBOL_CLASS (sp) == LOC_STATIC)
- CORE_RELOCATE (SYMBOL_VALUE (sp));
- else if (SYMBOL_CLASS (sp) == LOC_LABEL)
- TEXT_RELOCATE (SYMBOL_VALUE (sp));
- RELOCATE (SYMBOL_TYPE (sp));
-}
-
-static void
-relocate_typevector (tv)
- struct typevector *tv;
-{
- register int ntypes = TYPEVECTOR_NTYPES (tv);
- register int i;
+ index = 0;
+ ALL_OBJFILE_MSYMBOLS (objfile, msymbol)
+ {
+ struct obj_section *section = SYMBOL_OBJ_SECTION (msymbol);
- for (i = 0; i < ntypes; i++)
- RELOCATE (TYPEVECTOR_TYPE (tv, i));
- for (i = 0; i < ntypes; i++)
- relocate_type (TYPEVECTOR_TYPE (tv, i));
+ switch (MSYMBOL_TYPE (msymbol))
+ {
+ case mst_unknown:
+ ms_type = 'u';
+ break;
+ case mst_text:
+ ms_type = 'T';
+ break;
+ case mst_text_gnu_ifunc:
+ ms_type = 'i';
+ break;
+ case mst_solib_trampoline:
+ ms_type = 'S';
+ break;
+ case mst_data:
+ ms_type = 'D';
+ break;
+ case mst_bss:
+ ms_type = 'B';
+ break;
+ case mst_abs:
+ ms_type = 'A';
+ break;
+ case mst_file_text:
+ ms_type = 't';
+ break;
+ case mst_file_data:
+ ms_type = 'd';
+ break;
+ case mst_file_bss:
+ ms_type = 'b';
+ break;
+ default:
+ ms_type = '?';
+ break;
+ }
+ fprintf_filtered (outfile, "[%2d] %c ", index, ms_type);
+ fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (msymbol)),
+ outfile);
+ fprintf_filtered (outfile, " %s", SYMBOL_LINKAGE_NAME (msymbol));
+ if (section)
+ fprintf_filtered (outfile, " section %s",
+ bfd_section_name (objfile->obfd,
+ section->the_bfd_section));
+ if (SYMBOL_DEMANGLED_NAME (msymbol) != NULL)
+ {
+ fprintf_filtered (outfile, " %s", SYMBOL_DEMANGLED_NAME (msymbol));
+ }
+ if (msymbol->filename)
+ fprintf_filtered (outfile, " %s", msymbol->filename);
+ fputs_filtered ("\n", outfile);
+ index++;
+ }
+ if (objfile->minimal_symbol_count != index)
+ {
+ warning (_("internal error: minimal symbol count %d != %d"),
+ objfile->minimal_symbol_count, index);
+ }
+ fprintf_filtered (outfile, "\n");
}
-/* We cannot come up with an a priori spanning tree
- for the network of types, since types can be used
- for many symbols and also as components of other types.
- Therefore, we need to be able to mark types that we
- already have relocated (or are already in the middle of relocating)
- as in a garbage collector. */
-
static void
-relocate_type (tp)
- register struct type *tp;
+dump_symtab_1 (struct objfile *objfile, struct symtab *symtab,
+ struct ui_file *outfile)
{
- register int nfields = TYPE_NFIELDS (tp);
- register int i;
-
- RELOCATE (TYPE_NAME (tp));
- RELOCATE (TYPE_TARGET_TYPE (tp));
- RELOCATE (TYPE_FIELDS (tp));
- RELOCATE (TYPE_POINTER_TYPE (tp));
+ struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ int i;
+ struct dict_iterator iter;
+ int len;
+ struct linetable *l;
+ struct blockvector *bv;
+ struct symbol *sym;
+ struct block *b;
+ int depth;
- for (i = 0; i < nfields; i++)
+ fprintf_filtered (outfile, "\nSymtab for file %s\n", symtab->filename);
+ if (symtab->dirname)
+ fprintf_filtered (outfile, "Compilation directory is %s\n",
+ symtab->dirname);
+ fprintf_filtered (outfile, "Read from object file %s (", objfile->name);
+ gdb_print_host_address (objfile, outfile);
+ fprintf_filtered (outfile, ")\n");
+ fprintf_filtered (outfile, "Language: %s\n",
+ language_str (symtab->language));
+
+ /* First print the line table. */
+ l = LINETABLE (symtab);
+ if (l)
{
- RELOCATE (TYPE_FIELD_TYPE (tp, i));
- RELOCATE (TYPE_FIELD_NAME (tp, i));
+ fprintf_filtered (outfile, "\nLine table:\n\n");
+ len = l->nitems;
+ for (i = 0; i < len; i++)
+ {
+ fprintf_filtered (outfile, " line %d at ", l->item[i].line);
+ fputs_filtered (paddress (gdbarch, l->item[i].pc), outfile);
+ fprintf_filtered (outfile, "\n");
+ }
+ }
+ /* Now print the block info, but only for primary symtabs since we will
+ print lots of duplicate info otherwise. */
+ if (symtab->primary)
+ {
+ fprintf_filtered (outfile, "\nBlockvector:\n\n");
+ bv = BLOCKVECTOR (symtab);
+ len = BLOCKVECTOR_NBLOCKS (bv);
+ for (i = 0; i < len; i++)
+ {
+ b = BLOCKVECTOR_BLOCK (bv, i);
+ depth = block_depth (b) * 2;
+ print_spaces (depth, outfile);
+ fprintf_filtered (outfile, "block #%03d, object at ", i);
+ gdb_print_host_address (b, outfile);
+ if (BLOCK_SUPERBLOCK (b))
+ {
+ fprintf_filtered (outfile, " under ");
+ gdb_print_host_address (BLOCK_SUPERBLOCK (b), outfile);
+ }
+ /* drow/2002-07-10: We could save the total symbols count
+ even if we're using a hashtable, but nothing else but this message
+ wants it. */
+ fprintf_filtered (outfile, ", %d syms/buckets in ",
+ dict_size (BLOCK_DICT (b)));
+ fputs_filtered (paddress (gdbarch, BLOCK_START (b)), outfile);
+ fprintf_filtered (outfile, "..");
+ fputs_filtered (paddress (gdbarch, BLOCK_END (b)), outfile);
+ if (BLOCK_FUNCTION (b))
+ {
+ fprintf_filtered (outfile, ", function %s",
+ SYMBOL_LINKAGE_NAME (BLOCK_FUNCTION (b)));
+ if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL)
+ {
+ fprintf_filtered (outfile, ", %s",
+ SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)));
+ }
+ }
+ fprintf_filtered (outfile, "\n");
+ /* Now print each symbol in this block (in no particular order, if
+ we're using a hashtable). */
+ ALL_BLOCK_SYMBOLS (b, iter, sym)
+ {
+ struct print_symbol_args s;
+
+ s.gdbarch = gdbarch;
+ s.symbol = sym;
+ s.depth = depth + 1;
+ s.outfile = outfile;
+ catch_errors (print_symbol, &s, "Error printing symbol:\n",
+ RETURN_MASK_ERROR);
+ }
+ }
+ fprintf_filtered (outfile, "\n");
+ }
+ else
+ {
+ fprintf_filtered (outfile, "\nBlockvector same as previous symtab\n\n");
}
}
static void
-relocate_sourcevector (svp)
- register struct sourcevector *svp;
+dump_symtab (struct objfile *objfile, struct symtab *symtab,
+ struct ui_file *outfile)
{
- register int nfiles = svp->length;
- register int i;
- for (i = 0; i < nfiles; i++)
- RELOCATE (svp->source[i]);
- for (i = 0; i < nfiles; i++)
- relocate_source (svp->source[i]);
-}
+ /* Set the current language to the language of the symtab we're dumping
+ because certain routines used during dump_symtab() use the current
+ language to print an image of the symbol. We'll restore it later.
+ But use only real languages, not placeholders. */
+ if (symtab->language != language_unknown
+ && symtab->language != language_auto)
+ {
+ enum language saved_lang;
-static void
-relocate_source (sp)
- register struct source *sp;
-{
- register int nitems = sp->contents.nitems;
- register int i;
+ saved_lang = set_language (symtab->language);
- RELOCATE (sp->name);
- for (i = 0; i < nitems; i++)
- TEXT_RELOCATE (sp->contents.item[i].pc);
-}
-\f
-/* Read symsegs from file named NAME open on DESC,
- make symtabs from them, and return a chain of them.
- These symtabs are not suitable for direct use in `symtab_list'
- because each one describes a single object file, perhaps many source files.
- `symbol_file_command' takes each of these, makes many real symtabs
- from it, and then frees it.
-
- We assume DESC is prepositioned at the end of the string table,
- just before the symsegs if there are any. */
-
-struct symtab *
-read_symsegs (desc, name)
- int desc;
- char *name;
-{
- struct symbol_root root;
- register char *data;
- register struct symtab *sp, *sp1, *chain = 0;
- register int len;
+ dump_symtab_1 (objfile, symtab, outfile);
- while (1)
- {
- len = myread (desc, &root, sizeof root);
- if (len == 0 || root.format == 0)
- break;
- /* format 1 was ok for the original gdb, but since the size of the
- type structure changed when C++ support was added, it can no
- longer be used. Accept only format 2. */
- if (root.format != 2 ||
- root.length < sizeof root)
- error ("\nInvalid symbol segment format code");
- data = (char *) xmalloc (root.length);
- bcopy (&root, data, sizeof root);
- len = myread (desc, data + sizeof root,
- root.length - sizeof root);
- sp = relocate_symtab (data);
- RELOCATE (((struct symbol_root *)data)->sourcevector);
- relocate_sourcevector (((struct symbol_root *)data)->sourcevector);
- sp->next = chain;
- chain = sp;
- sp->linetable = (struct linetable *) ((struct symbol_root *)data)->sourcevector;
+ set_language (saved_lang);
}
-
- return chain;
+ else
+ dump_symtab_1 (objfile, symtab, outfile);
}
-\f
-static int block_depth ();
-void print_spaces ();
-static void print_symbol ();
void
-print_symtabs (filename)
- char *filename;
+maintenance_print_symbols (char *args, int from_tty)
{
- FILE *outfile;
- register struct symtab *s;
- register int i, j;
- int len, line, blen;
- register struct linetable *l;
- struct blockvector *bv;
- register struct block *b;
- int depth;
+ char **argv;
+ struct ui_file *outfile;
struct cleanup *cleanups;
- extern int fclose();
+ char *symname = NULL;
+ char *filename = DEV_TTY;
+ struct objfile *objfile;
+ struct symtab *s;
- if (filename == 0)
- error_no_arg ("file to write symbol data in");
+ dont_repeat ();
- filename = tilde_expand (filename);
- make_cleanup (free, filename);
-
- outfile = fopen (filename, "w");
- if (outfile == 0)
- perror_with_name (filename);
-
- cleanups = make_cleanup (fclose, outfile);
- immediate_quit++;
+ if (args == NULL)
+ {
+ error (_("Arguments missing: an output file name "
+ "and an optional symbol file name"));
+ }
+ argv = gdb_buildargv (args);
+ cleanups = make_cleanup_freeargv (argv);
- for (s = symtab_list; s; s = s->next)
+ if (argv[0] != NULL)
{
- /* First print the line table. */
- fprintf (outfile, "Symtab for file %s\n\n", s->filename);
- fprintf (outfile, "Line table:\n\n");
- l = LINETABLE (s);
- len = l->nitems;
- for (i = 0; i < len; i++)
- fprintf (outfile, " line %d at %x\n", l->item[i].line,
- l->item[i].pc);
- /* Now print the block info. */
- fprintf (outfile, "\nBlockvector:\n\n");
- bv = BLOCKVECTOR (s);
- len = BLOCKVECTOR_NBLOCKS (bv);
- for (i = 0; i < len; i++)
+ filename = argv[0];
+ /* If a second arg is supplied, it is a source file name to match on. */
+ if (argv[1] != NULL)
{
- b = BLOCKVECTOR_BLOCK (bv, i);
- depth = block_depth (b) * 2;
- print_spaces (depth, outfile);
- fprintf (outfile, "block #%03d (object 0x%x) ", i, b);
- fprintf (outfile, "[0x%x..0x%x]", BLOCK_START (b), BLOCK_END (b));
- if (BLOCK_SUPERBLOCK (b))
- fprintf (outfile, " (under 0x%x)", BLOCK_SUPERBLOCK (b));
- if (BLOCK_FUNCTION (b))
- fprintf (outfile, " %s", SYMBOL_NAME (BLOCK_FUNCTION (b)));
- fputc ('\n', outfile);
- blen = BLOCK_NSYMS (b);
- for (j = 0; j < blen; j++)
- {
- print_symbol (BLOCK_SYM (b, j), depth + 1, outfile);
- }
+ symname = argv[1];
}
-
- fprintf (outfile, "\n\n");
}
+ filename = tilde_expand (filename);
+ make_cleanup (xfree, filename);
+
+ outfile = gdb_fopen (filename, FOPEN_WT);
+ if (outfile == 0)
+ perror_with_name (filename);
+ make_cleanup_ui_file_delete (outfile);
+
+ immediate_quit++;
+ ALL_SYMTABS (objfile, s)
+ if (symname == NULL || filename_cmp (symname, s->filename) == 0)
+ dump_symtab (objfile, s, outfile);
immediate_quit--;
do_cleanups (cleanups);
}
-static void
-print_symbol (symbol, depth, outfile)
- struct symbol *symbol;
- int depth;
- FILE *outfile;
+/* Print symbol ARGS->SYMBOL on ARGS->OUTFILE. ARGS->DEPTH says how
+ far to indent. ARGS is really a struct print_symbol_args *, but is
+ declared as char * to get it past catch_errors. Returns 0 for error,
+ 1 for success. */
+
+static int
+print_symbol (void *args)
{
+ struct gdbarch *gdbarch = ((struct print_symbol_args *) args)->gdbarch;
+ struct symbol *symbol = ((struct print_symbol_args *) args)->symbol;
+ int depth = ((struct print_symbol_args *) args)->depth;
+ struct ui_file *outfile = ((struct print_symbol_args *) args)->outfile;
+ struct obj_section *section = SYMBOL_OBJ_SECTION (symbol);
+
print_spaces (depth, outfile);
- if (SYMBOL_NAMESPACE (symbol) == LABEL_NAMESPACE)
+ if (SYMBOL_DOMAIN (symbol) == LABEL_DOMAIN)
{
- fprintf (outfile, "label %s at 0x%x", SYMBOL_NAME (symbol),
- SYMBOL_VALUE (symbol));
- return;
+ fprintf_filtered (outfile, "label %s at ", SYMBOL_PRINT_NAME (symbol));
+ fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)),
+ outfile);
+ if (section)
+ fprintf_filtered (outfile, " section %s\n",
+ bfd_section_name (section->the_bfd_section->owner,
+ section->the_bfd_section));
+ else
+ fprintf_filtered (outfile, "\n");
+ return 1;
}
- if (SYMBOL_NAMESPACE (symbol) == STRUCT_NAMESPACE)
+ if (SYMBOL_DOMAIN (symbol) == STRUCT_DOMAIN)
{
- if (TYPE_NAME (SYMBOL_TYPE (symbol)))
+ if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol)))
{
- type_print_1 (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
+ LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
}
else
{
- fprintf (outfile, "%s %s = ",
- (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_ENUM
- ? "enum"
- : (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_STRUCT
- ? "struct" : "union")),
- SYMBOL_NAME (symbol));
- type_print_1 (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
+ fprintf_filtered (outfile, "%s %s = ",
+ (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_ENUM
+ ? "enum"
+ : (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_STRUCT
+ ? "struct" : "union")),
+ SYMBOL_LINKAGE_NAME (symbol));
+ LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
}
- fprintf (outfile, ";\n");
+ fprintf_filtered (outfile, ";\n");
}
else
{
if (SYMBOL_CLASS (symbol) == LOC_TYPEDEF)
- fprintf (outfile, "typedef ");
+ fprintf_filtered (outfile, "typedef ");
if (SYMBOL_TYPE (symbol))
{
- type_print_1 (SYMBOL_TYPE (symbol), SYMBOL_NAME (symbol),
- outfile, 1, depth);
- fprintf (outfile, "; ");
+ /* Print details of types, except for enums where it's clutter. */
+ LA_PRINT_TYPE (SYMBOL_TYPE (symbol), SYMBOL_PRINT_NAME (symbol),
+ outfile,
+ TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM,
+ depth);
+ fprintf_filtered (outfile, "; ");
}
else
- fprintf (outfile, "%s ", SYMBOL_NAME (symbol));
+ fprintf_filtered (outfile, "%s ", SYMBOL_PRINT_NAME (symbol));
switch (SYMBOL_CLASS (symbol))
{
case LOC_CONST:
- fprintf (outfile, "const %d (0x%x),",
- SYMBOL_VALUE (symbol), SYMBOL_VALUE (symbol));
+ fprintf_filtered (outfile, "const %ld (0x%lx)",
+ SYMBOL_VALUE (symbol),
+ SYMBOL_VALUE (symbol));
break;
case LOC_CONST_BYTES:
- fprintf (outfile, "const %d hex bytes:",
- TYPE_LENGTH (SYMBOL_TYPE (symbol)));
{
- int i;
- for (i = 0; i < TYPE_LENGTH (SYMBOL_TYPE (symbol)); i++)
- fprintf (outfile, " %2x", SYMBOL_VALUE_BYTES (symbol) [i]);
- fprintf (outfile, ",");
+ 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 (outfile, "static at 0x%x,", SYMBOL_VALUE (symbol));
+ 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:
- fprintf (outfile, "register %d,", SYMBOL_VALUE (symbol));
+ if (SYMBOL_IS_ARGUMENT (symbol))
+ fprintf_filtered (outfile, "parameter register %ld",
+ SYMBOL_VALUE (symbol));
+ else
+ fprintf_filtered (outfile, "register %ld", SYMBOL_VALUE (symbol));
break;
case LOC_ARG:
- fprintf (outfile, "arg at 0x%x,", SYMBOL_VALUE (symbol));
+ fprintf_filtered (outfile, "arg at offset 0x%lx",
+ SYMBOL_VALUE (symbol));
break;
case LOC_REF_ARG:
- fprintf (outfile, "reference arg at 0x%x,", SYMBOL_VALUE (symbol));
+ fprintf_filtered (outfile, "reference arg at 0x%lx", SYMBOL_VALUE (symbol));
break;
- case LOC_REGPARM:
- fprintf (outfile, "parameter register %d,", SYMBOL_VALUE (symbol));
+ case LOC_REGPARM_ADDR:
+ fprintf_filtered (outfile, "address parameter register %ld", SYMBOL_VALUE (symbol));
break;
case LOC_LOCAL:
- fprintf (outfile, "local at 0x%x,", SYMBOL_VALUE (symbol));
+ fprintf_filtered (outfile, "local at offset 0x%lx",
+ SYMBOL_VALUE (symbol));
break;
case LOC_TYPEDEF:
break;
case LOC_LABEL:
- fprintf (outfile, "label at 0x%x", SYMBOL_VALUE (symbol));
+ 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 (outfile, "block (object 0x%x) starting at 0x%x,",
- SYMBOL_VALUE (symbol),
- BLOCK_START (SYMBOL_BLOCK_VALUE (symbol)));
+ 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 (outfile, "\n");
+ fprintf_filtered (outfile, "\n");
+ return 1;
}
-/* Return the nexting depth of a block within other blocks in its symtab. */
+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;
-static int
-block_depth (block)
- struct block *block;
+ struct stat sym_st, obj_st;
+
+ dont_repeat ();
+
+ if (args == NULL)
+ {
+ error (_("print-msymbols takes an output file "
+ "name and optional symbol file name"));
+ }
+ argv = gdb_buildargv (args);
+ cleanups = make_cleanup_freeargv (argv);
+
+ if (argv[0] != NULL)
+ {
+ filename = argv[0];
+ /* If a second arg is supplied, it is a source file name to match on. */
+ if (argv[1] != NULL)
+ {
+ symname = xfullpath (argv[1]);
+ make_cleanup (xfree, symname);
+ if (symname && stat (symname, &sym_st))
+ perror_with_name (symname);
+ }
+ }
+
+ filename = tilde_expand (filename);
+ make_cleanup (xfree, filename);
+
+ outfile = gdb_fopen (filename, FOPEN_WT);
+ if (outfile == 0)
+ perror_with_name (filename);
+ make_cleanup_ui_file_delete (outfile);
+
+ immediate_quit++;
+ ALL_PSPACES (pspace)
+ ALL_PSPACE_OBJFILES (pspace, objfile)
+ if (symname == NULL || (!stat (objfile->name, &obj_st)
+ && sym_st.st_ino == obj_st.st_ino))
+ dump_msymbols (objfile, outfile);
+ immediate_quit--;
+ fprintf_filtered (outfile, "\n\n");
+ do_cleanups (cleanups);
+}
+
+void
+maintenance_print_objfiles (char *ignore, int from_tty)
{
- register int i = 0;
- while (block = BLOCK_SUPERBLOCK (block)) i++;
- return i;
+ struct program_space *pspace;
+ struct objfile *objfile;
+
+ dont_repeat ();
+
+ immediate_quit++;
+ ALL_PSPACES (pspace)
+ ALL_PSPACE_OBJFILES (pspace, objfile)
+ dump_objfile (objfile);
+ immediate_quit--;
}
-\f
-/*
- * Free all partial_symtab storage.
- */
+
+
+/* List all the symbol tables whose names match REGEXP (optional). */
void
-free_all_psymtabs()
+maintenance_info_symtabs (char *regexp, int from_tty)
+{
+ struct program_space *pspace;
+ struct objfile *objfile;
+
+ if (regexp)
+ re_comp (regexp);
+
+ ALL_PSPACES (pspace)
+ ALL_PSPACE_OBJFILES (pspace, objfile)
+ {
+ struct symtab *symtab;
+
+ /* We don't want to print anything for this objfile until we
+ actually find a symtab whose name matches. */
+ int printed_objfile_start = 0;
+
+ ALL_OBJFILE_SYMTABS (objfile, symtab)
+ {
+ QUIT;
+
+ if (! regexp
+ || re_exec (symtab->filename))
+ {
+ if (! printed_objfile_start)
+ {
+ printf_filtered ("{ objfile %s ", objfile->name);
+ wrap_here (" ");
+ printf_filtered ("((struct objfile *) %s)\n",
+ host_address_to_string (objfile));
+ printed_objfile_start = 1;
+ }
+
+ printf_filtered (" { symtab %s ", symtab->filename);
+ wrap_here (" ");
+ printf_filtered ("((struct symtab *) %s)\n",
+ host_address_to_string (symtab));
+ printf_filtered (" dirname %s\n",
+ symtab->dirname ? symtab->dirname : "(null)");
+ printf_filtered (" fullname %s\n",
+ symtab->fullname ? symtab->fullname : "(null)");
+ printf_filtered (" "
+ "blockvector ((struct blockvector *) %s)%s\n",
+ host_address_to_string (symtab->blockvector),
+ symtab->primary ? " (primary)" : "");
+ printf_filtered (" "
+ "linetable ((struct linetable *) %s)\n",
+ host_address_to_string (symtab->linetable));
+ printf_filtered (" debugformat %s\n",
+ symtab->debugformat);
+ printf_filtered (" }\n");
+ }
+ }
+
+ if (printed_objfile_start)
+ printf_filtered ("}\n");
+ }
+}
+\f
+
+/* Return the nexting depth of a block within other blocks in its symtab. */
+
+static int
+block_depth (struct block *block)
{
- obstack_free (psymbol_obstack, 0);
- obstack_init (psymbol_obstack);
- partial_symtab_list = (struct partial_symtab *) 0;
+ int i = 0;
+
+ while ((block = BLOCK_SUPERBLOCK (block)) != NULL)
+ {
+ i++;
+ }
+ return i;
}
\f
+
+/* Do early runtime initializations. */
void
-_initialize_symmisc ()
+_initialize_symmisc (void)
{
- symtab_list = (struct symtab *) 0;
- partial_symtab_list = (struct partial_symtab *) 0;
-
- add_com ("printsyms", class_obscure, print_symtabs,
- "Print dump of current symbol definitions to file OUTFILE.");
+ std_in = stdin;
+ std_out = stdout;
+ std_err = stderr;
}
-