* xcoffread.c (scan_xcoff_symtab): Update.
authorTom Tromey <tromey@redhat.com>
Mon, 16 Nov 2009 18:40:23 +0000 (18:40 +0000)
committerTom Tromey <tromey@redhat.com>
Mon, 16 Nov 2009 18:40:23 +0000 (18:40 +0000)
* symfile.h (add_psymbol_to_list): Update prototype.
* symfile.c (add_psymbol_to_bcache): Add copy_name argument.
(add_psymbol_to_list): Likewise.
* stabsread.c (define_symbol): Update.
* mdebugread.c (parse_partial_symbols): Update.
(handle_psymbol_enumerators): Update.
(new_symbol): Update.
* dbxread.c (read_dbx_symtab): Update.
* coffread.c (process_coff_symbol): Update.
* symtab.h (prim_record_minimal_symbol_full): Declare.
(SYMBOL_SET_NAMES): Add copy_name argument.
* symtab.c (struct demangled_name_entry): New struct.
(hash_demangled_name_entry): New function.
(eq_demangled_name_entry): Likewise.
(create_demangled_names_hash): Use new functions.
(symbol_set_names): Use struct demangled_name_entry.  Add
copy_name argument.
* minsyms.c (prim_record_minimal_symbol_full): New function.
(prim_record_minimal_symbol_and_info): Use it.
* elfread.c (record_minimal_symbol): Add name_len and copy_name
arguments.  Call prim_record_minimal_symbol_full.
(elf_symtab_read): Add copy_names argument.
(elf_symfile_read): Update calls to elf_symtab_read.
* dwarf2read.c (add_partial_symbol): Don't copy symbol names.
(load_partial_dies): Likewise.
(new_symbol): Likewise.
* cp-namespace.c (check_one_possible_namespace_symbol): Don't save
name on the obstack.  Update call to SYMBOL_SET_NAMES.

15 files changed:
gdb/ChangeLog
gdb/coffread.c
gdb/cp-namespace.c
gdb/dbxread.c
gdb/dwarf2read.c
gdb/elfread.c
gdb/jit.c
gdb/mdebugread.c
gdb/minsyms.c
gdb/stabsread.c
gdb/symfile.c
gdb/symfile.h
gdb/symtab.c
gdb/symtab.h
gdb/xcoffread.c

index 93fdd8cc68a51814f4b7753d006da9ea336962e8..25547324ea26c7b05e1966a09bdbd5c409e44077 100644 (file)
@@ -1,3 +1,35 @@
+2009-11-16  Tom Tromey  <tromey@redhat.com>
+
+       * xcoffread.c (scan_xcoff_symtab): Update.
+       * symfile.h (add_psymbol_to_list): Update prototype.
+       * symfile.c (add_psymbol_to_bcache): Add copy_name argument.
+       (add_psymbol_to_list): Likewise.
+       * stabsread.c (define_symbol): Update.
+       * mdebugread.c (parse_partial_symbols): Update.
+       (handle_psymbol_enumerators): Update.
+       (new_symbol): Update.
+       * dbxread.c (read_dbx_symtab): Update.
+       * coffread.c (process_coff_symbol): Update.
+       * symtab.h (prim_record_minimal_symbol_full): Declare.
+       (SYMBOL_SET_NAMES): Add copy_name argument.
+       * symtab.c (struct demangled_name_entry): New struct.
+       (hash_demangled_name_entry): New function.
+       (eq_demangled_name_entry): Likewise.
+       (create_demangled_names_hash): Use new functions.
+       (symbol_set_names): Use struct demangled_name_entry.  Add
+       copy_name argument.
+       * minsyms.c (prim_record_minimal_symbol_full): New function.
+       (prim_record_minimal_symbol_and_info): Use it.
+       * elfread.c (record_minimal_symbol): Add name_len and copy_name
+       arguments.  Call prim_record_minimal_symbol_full.
+       (elf_symtab_read): Add copy_names argument.
+       (elf_symfile_read): Update calls to elf_symtab_read.
+       * dwarf2read.c (add_partial_symbol): Don't copy symbol names.
+       (load_partial_dies): Likewise.
+       (new_symbol): Likewise.
+       * cp-namespace.c (check_one_possible_namespace_symbol): Don't save
+       name on the obstack.  Update call to SYMBOL_SET_NAMES.
+
 2009-11-15  Pedro Alves  <pedro@codesourcery.com>
 
        * infrun.c (handle_inferior_event): When handling a fork or vfork
index 3e68698ef9c4133a0b4d32935182823a4ff52887..98c563a3d37bf40485ee194a6cc7d89a6518a969 100644 (file)
@@ -1503,7 +1503,7 @@ process_coff_symbol (struct coff_symbol *cs,
   name = cs->c_name;
   name = EXTERNAL_NAME (name, objfile->obfd);
   SYMBOL_LANGUAGE (sym) = current_subfile->language;
-  SYMBOL_SET_NAMES (sym, name, strlen (name), objfile);
+  SYMBOL_SET_NAMES (sym, name, strlen (name), 1, objfile);
 
   /* default assumptions */
   SYMBOL_VALUE (sym) = cs->c_value;
index d2d8f2eb88e011349f9d391c08667c70ac19c1aa..a7a387bad7e2b124e571646c21b87d125b90d798 100644 (file)
@@ -714,7 +714,6 @@ check_one_possible_namespace_symbol (const char *name, int len,
   if (sym == NULL)
     {
       struct type *type;
-      name_copy = obsavestring (name, len, &objfile->objfile_obstack);
 
       type = init_type (TYPE_CODE_NAMESPACE, 0, 0, name_copy, objfile);
 
@@ -723,7 +722,9 @@ check_one_possible_namespace_symbol (const char *name, int len,
       sym = obstack_alloc (&objfile->objfile_obstack, sizeof (struct symbol));
       memset (sym, 0, sizeof (struct symbol));
       SYMBOL_LANGUAGE (sym) = language_cplus;
-      SYMBOL_SET_NAMES (sym, name_copy, len, objfile);
+      /* Note that init_type copied the name to the objfile's
+        obstack.  */
+      SYMBOL_SET_NAMES (sym, TYPE_NAME (type), len, 0, objfile);
       SYMBOL_CLASS (sym) = LOC_TYPEDEF;
       SYMBOL_TYPE (sym) = type;
       SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
index d5c7ff5f137f2d9ee48925a2f15c2709264f29d0..54d8b51fdc707fc0c69ef790ac8b74ded9823761 100644 (file)
@@ -1726,7 +1726,7 @@ pos %d"),
                namestring = gdbarch_static_transform_name (gdbarch,
                                                            namestring);
 
-             add_psymbol_to_list (sym_name, sym_len,
+             add_psymbol_to_list (sym_name, sym_len, 1,
                                   VAR_DOMAIN, LOC_STATIC,
                                   &objfile->static_psymbols,
                                   0, nlist.n_value,
@@ -1738,7 +1738,7 @@ pos %d"),
                                         data_sect_index);
              /* The addresses in these entries are reported to be
                 wrong.  See the code that reads 'G's for symtabs. */
-             add_psymbol_to_list (sym_name, sym_len,
+             add_psymbol_to_list (sym_name, sym_len, 1,
                                   VAR_DOMAIN, LOC_STATIC,
                                   &objfile->global_psymbols,
                                   0, nlist.n_value,
@@ -1756,7 +1756,7 @@ pos %d"),
                  || (p == namestring + 1
                      && namestring[0] != ' '))
                {
-                 add_psymbol_to_list (sym_name, sym_len,
+                 add_psymbol_to_list (sym_name, sym_len, 1,
                                       STRUCT_DOMAIN, LOC_TYPEDEF,
                                       &objfile->static_psymbols,
                                       nlist.n_value, 0,
@@ -1764,7 +1764,7 @@ pos %d"),
                  if (p[2] == 't')
                    {
                      /* Also a typedef with the same name.  */
-                     add_psymbol_to_list (sym_name, sym_len,
+                     add_psymbol_to_list (sym_name, sym_len, 1,
                                           VAR_DOMAIN, LOC_TYPEDEF,
                                           &objfile->static_psymbols,
                                           nlist.n_value, 0,
@@ -1777,7 +1777,7 @@ pos %d"),
            case 't':
              if (p != namestring)      /* a name is there, not just :T... */
                {
-                 add_psymbol_to_list (sym_name, sym_len,
+                 add_psymbol_to_list (sym_name, sym_len, 1,
                                       VAR_DOMAIN, LOC_TYPEDEF,
                                       &objfile->static_psymbols,
                                       nlist.n_value, 0,
@@ -1839,7 +1839,7 @@ pos %d"),
                        ;
                      /* Note that the value doesn't matter for
                         enum constants in psymtabs, just in symtabs.  */
-                     add_psymbol_to_list (p, q - p,
+                     add_psymbol_to_list (p, q - p, 1,
                                           VAR_DOMAIN, LOC_CONST,
                                           &objfile->static_psymbols, 0,
                                           0, psymtab_language, objfile);
@@ -1857,7 +1857,7 @@ pos %d"),
 
            case 'c':
              /* Constant, e.g. from "const" in Pascal.  */
-             add_psymbol_to_list (sym_name, sym_len,
+             add_psymbol_to_list (sym_name, sym_len, 1,
                                   VAR_DOMAIN, LOC_CONST,
                                   &objfile->static_psymbols, nlist.n_value,
                                   0, psymtab_language, objfile);
@@ -1921,7 +1921,7 @@ pos %d"),
                  pst->textlow = nlist.n_value;
                  textlow_not_set = 0;
                }
-             add_psymbol_to_list (sym_name, sym_len,
+             add_psymbol_to_list (sym_name, sym_len, 1,
                                   VAR_DOMAIN, LOC_BLOCK,
                                   &objfile->static_psymbols,
                                   0, nlist.n_value,
@@ -1989,7 +1989,7 @@ pos %d"),
                  pst->textlow = nlist.n_value;
                  textlow_not_set = 0;
                }
-             add_psymbol_to_list (sym_name, sym_len,
+             add_psymbol_to_list (sym_name, sym_len, 1,
                                   VAR_DOMAIN, LOC_BLOCK,
                                   &objfile->global_psymbols,
                                   0, nlist.n_value,
index 2f6e522f3f0e5f8ce8d73bb14bcae2bf3d4d8163..c859605361db1fa488485f9e70362447430b67c8 100644 (file)
@@ -2460,6 +2460,7 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
          /*prim_record_minimal_symbol (actual_name, pdi->lowpc + baseaddr,
             mst_text, objfile); */
          psym = add_psymbol_to_list (actual_name, strlen (actual_name),
+                                     built_actual_name,
                                      VAR_DOMAIN, LOC_BLOCK,
                                      &objfile->global_psymbols,
                                      0, pdi->lowpc + baseaddr,
@@ -2470,6 +2471,7 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
          /*prim_record_minimal_symbol (actual_name, pdi->lowpc + baseaddr,
             mst_file_text, objfile); */
          psym = add_psymbol_to_list (actual_name, strlen (actual_name),
+                                     built_actual_name,
                                      VAR_DOMAIN, LOC_BLOCK,
                                      &objfile->static_psymbols,
                                      0, pdi->lowpc + baseaddr,
@@ -2496,6 +2498,7 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
            addr = decode_locdesc (pdi->locdesc, cu);
          if (pdi->locdesc || pdi->has_type)
            psym = add_psymbol_to_list (actual_name, strlen (actual_name),
+                                       built_actual_name,
                                        VAR_DOMAIN, LOC_STATIC,
                                        &objfile->global_psymbols,
                                        0, addr + baseaddr,
@@ -2514,6 +2517,7 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
          /*prim_record_minimal_symbol (actual_name, addr + baseaddr,
             mst_file_data, objfile); */
          psym = add_psymbol_to_list (actual_name, strlen (actual_name),
+                                     built_actual_name,
                                      VAR_DOMAIN, LOC_STATIC,
                                      &objfile->static_psymbols,
                                      0, addr + baseaddr,
@@ -2524,12 +2528,14 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
     case DW_TAG_base_type:
     case DW_TAG_subrange_type:
       add_psymbol_to_list (actual_name, strlen (actual_name),
+                          built_actual_name,
                           VAR_DOMAIN, LOC_TYPEDEF,
                           &objfile->static_psymbols,
                           0, (CORE_ADDR) 0, cu->language, objfile);
       break;
     case DW_TAG_namespace:
       add_psymbol_to_list (actual_name, strlen (actual_name),
+                          built_actual_name,
                           VAR_DOMAIN, LOC_TYPEDEF,
                           &objfile->global_psymbols,
                           0, (CORE_ADDR) 0, cu->language, objfile);
@@ -2554,6 +2560,7 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
       /* NOTE: carlton/2003-10-07: See comment in new_symbol about
         static vs. global.  */
       add_psymbol_to_list (actual_name, strlen (actual_name),
+                          built_actual_name,
                           STRUCT_DOMAIN, LOC_TYPEDEF,
                           (cu->language == language_cplus
                            || cu->language == language_java)
@@ -2564,6 +2571,7 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
       break;
     case DW_TAG_enumerator:
       add_psymbol_to_list (actual_name, strlen (actual_name),
+                          built_actual_name,
                           VAR_DOMAIN, LOC_CONST,
                           (cu->language == language_cplus
                            || cu->language == language_java)
@@ -6572,7 +6580,7 @@ load_partial_dies (bfd *abfd, gdb_byte *buffer, gdb_byte *info_ptr,
              || part_die->tag == DW_TAG_subrange_type))
        {
          if (building_psymtab && part_die->name != NULL)
-           add_psymbol_to_list (part_die->name, strlen (part_die->name),
+           add_psymbol_to_list (part_die->name, strlen (part_die->name), 0,
                                 VAR_DOMAIN, LOC_TYPEDEF,
                                 &cu->objfile->static_psymbols,
                                 0, (CORE_ADDR) 0, cu->language, cu->objfile);
@@ -6593,7 +6601,7 @@ load_partial_dies (bfd *abfd, gdb_byte *buffer, gdb_byte *info_ptr,
          if (part_die->name == NULL)
            complaint (&symfile_complaints, _("malformed enumerator DIE ignored"));
          else if (building_psymtab)
-           add_psymbol_to_list (part_die->name, strlen (part_die->name),
+           add_psymbol_to_list (part_die->name, strlen (part_die->name), 0,
                                 VAR_DOMAIN, LOC_CONST,
                                 (cu->language == language_cplus
                                  || cu->language == language_java)
@@ -8325,7 +8333,7 @@ new_symbol (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
 
       /* Cache this symbol's name and the name's demangled form (if any).  */
       SYMBOL_LANGUAGE (sym) = cu->language;
-      SYMBOL_SET_NAMES (sym, name, strlen (name), objfile);
+      SYMBOL_SET_NAMES (sym, name, strlen (name), 0, objfile);
 
       /* Default assumptions.
          Use the passed type or decode it from the die.  */
index 89089e3f6038761e9b720102f0f21f44a18c492f..08852400591189d48f0e6d4a2573c0af93634235 100644 (file)
@@ -172,7 +172,8 @@ elf_locate_sections (bfd *ignore_abfd, asection *sectp, void *eip)
 }
 
 static struct minimal_symbol *
-record_minimal_symbol (char *name, CORE_ADDR address,
+record_minimal_symbol (const char *name, int name_len, int copy_name,
+                      CORE_ADDR address,
                       enum minimal_symbol_type ms_type,
                       asection *bfd_section, struct objfile *objfile)
 {
@@ -181,8 +182,9 @@ record_minimal_symbol (char *name, CORE_ADDR address,
   if (ms_type == mst_text || ms_type == mst_file_text)
     address = gdbarch_smash_text_address (gdbarch, address);
 
-  return prim_record_minimal_symbol_and_info
-    (name, address, ms_type, bfd_section->index, bfd_section, objfile);
+  return prim_record_minimal_symbol_full (name, name_len, copy_name, address,
+                                         ms_type, bfd_section->index,
+                                         bfd_section, objfile);
 }
 
 /*
@@ -216,7 +218,8 @@ record_minimal_symbol (char *name, CORE_ADDR address,
 
 static void
 elf_symtab_read (struct objfile *objfile, int type,
-                long number_of_symbols, asymbol **symbol_table)
+                long number_of_symbols, asymbol **symbol_table,
+                int copy_names)
 {
   struct gdbarch *gdbarch = get_objfile_arch (objfile);
   long storage_needed;
@@ -298,7 +301,8 @@ elf_symtab_read (struct objfile *objfile, int type,
          symaddr += ANOFFSET (objfile->section_offsets, sect->index);
 
          msym = record_minimal_symbol
-           ((char *) sym->name, symaddr, mst_solib_trampoline, sect, objfile);
+           (sym->name, strlen (sym->name), copy_names,
+            symaddr, mst_solib_trampoline, sect, objfile);
          if (msym != NULL)
            msym->filename = filesymname;
          continue;
@@ -511,7 +515,7 @@ elf_symtab_read (struct objfile *objfile, int type,
              continue; /* Skip this symbol. */
            }
          msym = record_minimal_symbol
-           ((char *) sym->name, symaddr,
+           (sym->name, strlen (sym->name), copy_names, symaddr,
             ms_type, sym->section, objfile);
 
          if (msym)
@@ -546,15 +550,12 @@ elf_symtab_read (struct objfile *objfile, int type,
 
              if (len > 4 && strcmp (sym->name + len - 4, "@plt") == 0)
                {
-                 char *base_name = xmalloc (len - 4 + 1);
                  struct minimal_symbol *mtramp;
 
-                 memcpy (base_name, sym->name, len - 4);
-                 base_name[len - 4] = '\0';
-                 mtramp = record_minimal_symbol (base_name, symaddr,
+                 mtramp = record_minimal_symbol (sym->name, len - 4, 1,
+                                                 symaddr,
                                                  mst_solib_trampoline,
                                                  sym->section, objfile);
-                 xfree (base_name);
                  if (mtramp)
                    {
                      MSYMBOL_SIZE (mtramp) = MSYMBOL_SIZE (msym);
@@ -639,7 +640,7 @@ elf_symfile_read (struct objfile *objfile, int mainline)
        error (_("Can't read symbols from %s: %s"), bfd_get_filename (objfile->obfd),
               bfd_errmsg (bfd_get_error ()));
 
-      elf_symtab_read (objfile, ST_REGULAR, symcount, symbol_table);
+      elf_symtab_read (objfile, ST_REGULAR, symcount, symbol_table, 0);
     }
 
   /* Add the dynamic symbols.  */
@@ -657,7 +658,7 @@ elf_symfile_read (struct objfile *objfile, int mainline)
        error (_("Can't read symbols from %s: %s"), bfd_get_filename (objfile->obfd),
               bfd_errmsg (bfd_get_error ()));
 
-      elf_symtab_read (objfile, ST_DYNAMIC, dynsymcount, dyn_symbol_table);
+      elf_symtab_read (objfile, ST_DYNAMIC, dynsymcount, dyn_symbol_table, 0);
     }
 
   /* Add synthetic symbols - for instance, names for any PLT entries.  */
@@ -675,7 +676,7 @@ elf_symfile_read (struct objfile *objfile, int mainline)
       for (i = 0; i < synthcount; i++)
        synth_symbol_table[i] = synthsyms + i;
       make_cleanup (xfree, synth_symbol_table);
-      elf_symtab_read (objfile, ST_SYNTHETIC, synthcount, synth_symbol_table);
+      elf_symtab_read (objfile, ST_SYNTHETIC, synthcount, synth_symbol_table, 1);
     }
 
   /* Install any minimal symbols that have been collected as the current
index a362098b02e8f1366ed7e91399dd162cd19e549b..ba4428b800f2ff46e0832f2279c05c35e959d815 100644 (file)
--- a/gdb/jit.c
+++ b/gdb/jit.c
@@ -253,7 +253,7 @@ JITed symbol file is not an object file, ignoring it.\n"));
         /* We assume that these virtual addresses are absolute, and do not
            treat them as offsets.  */
         sai->other[i].addr = bfd_get_section_vma (nbfd, sec);
-        sai->other[i].name = (char *) bfd_get_section_name (nbfd, sec);
+        sai->other[i].name = xstrdup (bfd_get_section_name (nbfd, sec));
         sai->other[i].sectindex = sec->index;
         ++i;
       }
index 7d29b978d2ff7231f8ed7ed26193bb1c896533a2..e3f7f8aa96f449ec29ad671d4972a5938d2a5abf 100644 (file)
@@ -3095,7 +3095,7 @@ parse_partial_symbols (struct objfile *objfile)
                          namestring = gdbarch_static_transform_name
                                         (gdbarch, namestring);
 
-                       add_psymbol_to_list (namestring, p - namestring,
+                       add_psymbol_to_list (namestring, p - namestring, 1,
                                             VAR_DOMAIN, LOC_STATIC,
                                             &objfile->static_psymbols,
                                             0, sh.value,
@@ -3105,7 +3105,7 @@ parse_partial_symbols (struct objfile *objfile)
                        sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
                        /* The addresses in these entries are reported to be
                           wrong.  See the code that reads 'G's for symtabs. */
-                       add_psymbol_to_list (namestring, p - namestring,
+                       add_psymbol_to_list (namestring, p - namestring, 1,
                                             VAR_DOMAIN, LOC_STATIC,
                                             &objfile->global_psymbols,
                                             0, sh.value,
@@ -3123,7 +3123,7 @@ parse_partial_symbols (struct objfile *objfile)
                            || (p == namestring + 1
                                && namestring[0] != ' '))
                          {
-                           add_psymbol_to_list (namestring, p - namestring,
+                           add_psymbol_to_list (namestring, p - namestring, 1,
                                                 STRUCT_DOMAIN, LOC_TYPEDEF,
                                                 &objfile->static_psymbols,
                                                 sh.value, 0,
@@ -3132,6 +3132,7 @@ parse_partial_symbols (struct objfile *objfile)
                              {
                                /* Also a typedef with the same name.  */
                                add_psymbol_to_list (namestring, p - namestring,
+                                                    1,
                                                     VAR_DOMAIN, LOC_TYPEDEF,
                                                     &objfile->static_psymbols,
                                                     sh.value, 0,
@@ -3143,7 +3144,7 @@ parse_partial_symbols (struct objfile *objfile)
                      case 't':
                        if (p != namestring)    /* a name is there, not just :T... */
                          {
-                           add_psymbol_to_list (namestring, p - namestring,
+                           add_psymbol_to_list (namestring, p - namestring, 1,
                                                 VAR_DOMAIN, LOC_TYPEDEF,
                                                 &objfile->static_psymbols,
                                                 sh.value, 0,
@@ -3205,7 +3206,7 @@ parse_partial_symbols (struct objfile *objfile)
                                  ;
                                /* Note that the value doesn't matter for
                                   enum constants in psymtabs, just in symtabs.  */
-                               add_psymbol_to_list (p, q - p,
+                               add_psymbol_to_list (p, q - p, 1,
                                                     VAR_DOMAIN, LOC_CONST,
                                                     &objfile->static_psymbols, 0,
                                                     0, psymtab_language, objfile);
@@ -3222,7 +3223,7 @@ parse_partial_symbols (struct objfile *objfile)
                        continue;
                      case 'c':
                        /* Constant, e.g. from "const" in Pascal.  */
-                       add_psymbol_to_list (namestring, p - namestring,
+                       add_psymbol_to_list (namestring, p - namestring, 1,
                                             VAR_DOMAIN, LOC_CONST,
                                             &objfile->static_psymbols, sh.value,
                                             0, psymtab_language, objfile);
@@ -3239,7 +3240,7 @@ parse_partial_symbols (struct objfile *objfile)
                            xfree (name);
                          }
                        sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
-                       add_psymbol_to_list (namestring, p - namestring,
+                       add_psymbol_to_list (namestring, p - namestring, 1,
                                             VAR_DOMAIN, LOC_BLOCK,
                                             &objfile->static_psymbols,
                                             0, sh.value,
@@ -3260,7 +3261,7 @@ parse_partial_symbols (struct objfile *objfile)
                            xfree (name);
                          }
                        sh.value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
-                       add_psymbol_to_list (namestring, p - namestring,
+                       add_psymbol_to_list (namestring, p - namestring, 1,
                                             VAR_DOMAIN, LOC_BLOCK,
                                             &objfile->global_psymbols,
                                             0, sh.value,
@@ -3489,12 +3490,12 @@ parse_partial_symbols (struct objfile *objfile)
                     symbol table, and the MAIN__ symbol via the minimal
                     symbol table.  */
                  if (sh.st == stProc)
-                   add_psymbol_to_list (name, strlen (name),
+                   add_psymbol_to_list (name, strlen (name), 1,
                                         VAR_DOMAIN, LOC_BLOCK,
                                         &objfile->global_psymbols,
                                    0, sh.value, psymtab_language, objfile);
                  else
-                   add_psymbol_to_list (name, strlen (name),
+                   add_psymbol_to_list (name, strlen (name), 1,
                                         VAR_DOMAIN, LOC_BLOCK,
                                         &objfile->static_psymbols,
                                    0, sh.value, psymtab_language, objfile);
@@ -3563,7 +3564,7 @@ parse_partial_symbols (struct objfile *objfile)
                      && sh.iss != 0
                      && sh.index != cur_sdx + 2)
                    {
-                     add_psymbol_to_list (name, strlen (name),
+                     add_psymbol_to_list (name, strlen (name), 1,
                                           STRUCT_DOMAIN, LOC_TYPEDEF,
                                           &objfile->static_psymbols,
                                           0, (CORE_ADDR) 0,
@@ -3604,7 +3605,7 @@ parse_partial_symbols (struct objfile *objfile)
                  continue;
                }
              /* Use this gdb symbol */
-             add_psymbol_to_list (name, strlen (name),
+             add_psymbol_to_list (name, strlen (name), 1,
                                   VAR_DOMAIN, class,
                                   &objfile->static_psymbols,
                                   0, sh.value, psymtab_language, objfile);
@@ -3680,7 +3681,7 @@ parse_partial_symbols (struct objfile *objfile)
                  break;
                }
              name = debug_info->ssext + psh->iss;
-             add_psymbol_to_list (name, strlen (name),
+             add_psymbol_to_list (name, strlen (name), 1,
                                   VAR_DOMAIN, class,
                                   &objfile->global_psymbols,
                                   0, svalue,
@@ -3843,7 +3844,7 @@ handle_psymbol_enumerators (struct objfile *objfile, FDR *fh, int stype,
 
       /* Note that the value doesn't matter for enum constants
          in psymtabs, just in symtabs.  */
-      add_psymbol_to_list (name, strlen (name),
+      add_psymbol_to_list (name, strlen (name), 1,
                           VAR_DOMAIN, LOC_CONST,
                           &objfile->static_psymbols, 0,
                           (CORE_ADDR) 0, psymtab_language, objfile);
@@ -4788,7 +4789,7 @@ new_symbol (char *name)
 
   memset (s, 0, sizeof (*s));
   SYMBOL_LANGUAGE (s) = psymtab_language;
-  SYMBOL_SET_NAMES (s, name, strlen (name), current_objfile);
+  SYMBOL_SET_NAMES (s, name, strlen (name), 1, current_objfile);
   return s;
 }
 
index 64d20d2d7c0075168d11201b2c01dcffdb57fa2f..393a0ea9143c7fca97db51ff9a9e9d8270877eec 100644 (file)
@@ -757,11 +757,12 @@ prim_record_minimal_symbol (const char *name, CORE_ADDR address,
    newly created.  */
 
 struct minimal_symbol *
-prim_record_minimal_symbol_and_info (const char *name, CORE_ADDR address,
-                                    enum minimal_symbol_type ms_type,
-                                    int section,
-                                    asection *bfd_section,
-                                    struct objfile *objfile)
+prim_record_minimal_symbol_full (const char *name, int name_len, int copy_name,
+                                CORE_ADDR address,
+                                enum minimal_symbol_type ms_type,
+                                int section,
+                                asection *bfd_section,
+                                struct objfile *objfile)
 {
   struct obj_section *obj_section;
   struct msym_bunch *new;
@@ -780,7 +781,10 @@ prim_record_minimal_symbol_and_info (const char *name, CORE_ADDR address,
   /* It's safe to strip the leading char here once, since the name
      is also stored stripped in the minimal symbol table. */
   if (name[0] == get_symbol_leading_char (objfile->obfd))
-    ++name;
+    {
+      ++name;
+      --name_len;
+    }
 
   if (ms_type == mst_file_text && strncmp (name, "__gnu_compiled", 14) == 0)
     return (NULL);
@@ -795,7 +799,7 @@ prim_record_minimal_symbol_and_info (const char *name, CORE_ADDR address,
   msymbol = &msym_bunch->contents[msym_bunch_index];
   SYMBOL_INIT_LANGUAGE_SPECIFIC (msymbol, language_unknown);
   SYMBOL_LANGUAGE (msymbol) = language_auto;
-  SYMBOL_SET_NAMES (msymbol, (char *)name, strlen (name), objfile);
+  SYMBOL_SET_NAMES (msymbol, name, name_len, copy_name, objfile);
 
   SYMBOL_VALUE_ADDRESS (msymbol) = address;
   SYMBOL_SECTION (msymbol) = section;
@@ -828,6 +832,21 @@ prim_record_minimal_symbol_and_info (const char *name, CORE_ADDR address,
   return msymbol;
 }
 
+/* Record a minimal symbol in the msym bunches.  Returns the symbol
+   newly created.  */
+
+struct minimal_symbol *
+prim_record_minimal_symbol_and_info (const char *name, CORE_ADDR address,
+                                    enum minimal_symbol_type ms_type,
+                                    int section,
+                                    asection *bfd_section,
+                                    struct objfile *objfile)
+{
+  return prim_record_minimal_symbol_full (name, strlen (name), 1,
+                                         address, ms_type, section,
+                                         bfd_section, objfile);
+}
+
 /* Compare two minimal symbols by address and return a signed result based
    on unsigned comparisons, so that we sort into unsigned numeric order.  
    Within groups with the same address, sort by name.  */
index 274fe1a6c3e525ccb0fc92ac2cbac12be76be389..fee2873a683090e831dab2265f772bb01c0323a1 100644 (file)
@@ -713,11 +713,11 @@ define_symbol (CORE_ADDR valu, char *string, int desc, int type,
        }
       if (new_name != NULL)
        {
-         SYMBOL_SET_NAMES (sym, new_name, strlen (new_name), objfile);
+         SYMBOL_SET_NAMES (sym, new_name, strlen (new_name), 1, objfile);
          xfree (new_name);
        }
       else
-       SYMBOL_SET_NAMES (sym, string, p - string, objfile);
+       SYMBOL_SET_NAMES (sym, string, p - string, 1, objfile);
     }
   p++;
 
index 30ae0dfccc34856fdbbca90e7244ce0ffd9624e5..b6356915c091ee8352121a5612006576156a5cee 100644 (file)
@@ -3132,7 +3132,8 @@ start_psymtab_common (struct objfile *objfile,
    different domain (or address) is possible and correct.  */
 
 static const struct partial_symbol *
-add_psymbol_to_bcache (char *name, int namelength, domain_enum domain,
+add_psymbol_to_bcache (char *name, int namelength, int copy_name,
+                      domain_enum domain,
                       enum address_class class,
                       long val,        /* Value as a long */
                       CORE_ADDR coreaddr,      /* Value as a CORE_ADDR */
@@ -3162,7 +3163,7 @@ add_psymbol_to_bcache (char *name, int namelength, domain_enum domain,
   PSYMBOL_DOMAIN (&psymbol) = domain;
   PSYMBOL_CLASS (&psymbol) = class;
 
-  SYMBOL_SET_NAMES (&psymbol, name, namelength, objfile);
+  SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile);
 
   /* Stash the partial symbol away in the cache */
   return bcache_full (&psymbol, sizeof (struct partial_symbol),
@@ -3199,7 +3200,8 @@ append_psymbol_to_list (struct psymbol_allocation_list *list,
    cache.  */
 
 const struct partial_symbol *
-add_psymbol_to_list (char *name, int namelength, domain_enum domain,
+add_psymbol_to_list (char *name, int namelength, int copy_name,
+                    domain_enum domain,
                     enum address_class class,
                     struct psymbol_allocation_list *list, 
                     long val,  /* Value as a long */
@@ -3211,7 +3213,7 @@ add_psymbol_to_list (char *name, int namelength, domain_enum domain,
   int added;
 
   /* Stash the partial symbol away in the cache */
-  psym = add_psymbol_to_bcache (name, namelength, domain, class,
+  psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, class,
                                val, coreaddr, language, objfile, &added);
 
   /* Do not duplicate global partial symbols.  */
index c407315f7fc9d158a91290c15768d1a710f91440..f73d22d4eb4daf6f3b9e450d028a60480c050cf7 100644 (file)
@@ -194,7 +194,7 @@ extern void extend_psymbol_list (struct psymbol_allocation_list *,
 /* #include "demangle.h" */
 
 extern const
-struct partial_symbol *add_psymbol_to_list (char *, int, domain_enum,
+struct partial_symbol *add_psymbol_to_list (char *, int, int, domain_enum,
                                            enum address_class,
                                            struct psymbol_allocation_list *,
                                            long, CORE_ADDR,
index e092ad48aaf5de75b29db563f1ca979c1695525d..b512bf3e8c9cd9049a272c6e9ebbacf953d905b0 100644 (file)
@@ -427,6 +427,30 @@ symbol_init_language_specific (struct general_symbol_info *gsymbol,
 
 /* Functions to initialize a symbol's mangled name.  */
 
+/* Objects of this type are stored in the demangled name hash table.  */
+struct demangled_name_entry
+{
+  char *mangled;
+  char demangled[1];
+};
+
+/* Hash function for the demangled name hash.  */
+static hashval_t
+hash_demangled_name_entry (const void *data)
+{
+  const struct demangled_name_entry *e = data;
+  return htab_hash_string (e->mangled);
+}
+
+/* Equality function for the demangled name hash.  */
+static int
+eq_demangled_name_entry (const void *a, const void *b)
+{
+  const struct demangled_name_entry *da = a;
+  const struct demangled_name_entry *db = b;
+  return strcmp (da->mangled, db->mangled) == 0;
+}
+
 /* Create the hash table used for demangled names.  Each hash entry is
    a pair of strings; one for the mangled name and one for the demangled
    name.  The entry is hashed via just the mangled name.  */
@@ -440,7 +464,7 @@ create_demangled_names_hash (struct objfile *objfile)
      1% in symbol reading.  */
 
   objfile->demangled_names_hash = htab_create_alloc
-    (256, htab_hash_string, (int (*) (const void *, const void *)) streq,
+    (256, hash_demangled_name_entry, eq_demangled_name_entry,
      NULL, xcalloc, xfree);
 }
 
@@ -496,10 +520,15 @@ symbol_find_demangled_name (struct general_symbol_info *gsymbol,
 }
 
 /* Set both the mangled and demangled (if any) names for GSYMBOL based
-   on LINKAGE_NAME and LEN.  The hash table corresponding to OBJFILE
-   is used, and the memory comes from that objfile's objfile_obstack.
-   LINKAGE_NAME is copied, so the pointer can be discarded after
-   calling this function.  */
+   on LINKAGE_NAME and LEN.  Ordinarily, NAME is copied onto the
+   objfile's obstack; but if COPY_NAME is 0 and if NAME is
+   NUL-terminated, then this function assumes that NAME is already
+   correctly saved (either permanently or with a lifetime tied to the
+   objfile), and it will not be copied.
+
+   The hash table corresponding to OBJFILE is used, and the memory
+   comes from that objfile's objfile_obstack.  LINKAGE_NAME is copied,
+   so the pointer can be discarded after calling this function.  */
 
 /* We have to be careful when dealing with Java names: when we run
    into a Java minimal symbol, we don't know it's a Java symbol, so it
@@ -522,9 +551,10 @@ symbol_find_demangled_name (struct general_symbol_info *gsymbol,
 
 void
 symbol_set_names (struct general_symbol_info *gsymbol,
-                 const char *linkage_name, int len, struct objfile *objfile)
+                 const char *linkage_name, int len, int copy_name,
+                 struct objfile *objfile)
 {
-  char **slot;
+  struct demangled_name_entry **slot;
   /* A 0-terminated copy of the linkage name.  */
   const char *linkage_name_copy;
   /* A copy of the linkage name that might have a special Java prefix
@@ -532,9 +562,7 @@ symbol_set_names (struct general_symbol_info *gsymbol,
   const char *lookup_name;
   /* The length of lookup_name.  */
   int lookup_len;
-
-  if (objfile->demangled_names_hash == NULL)
-    create_demangled_names_hash (objfile);
+  struct demangled_name_entry entry;
 
   if (gsymbol->language == language_ada)
     {
@@ -546,14 +574,22 @@ symbol_set_names (struct general_symbol_info *gsymbol,
          been observed with Java.  Because we don't store the demangled
          name with the symbol, we don't need to use the same trick
          as Java.  */
-      gsymbol->name = obstack_alloc (&objfile->objfile_obstack, len + 1);
-      memcpy (gsymbol->name, linkage_name, len);
-      gsymbol->name[len] = '\0';
+      if (!copy_name)
+       gsymbol->name = (char *) linkage_name;
+      else
+       {
+         gsymbol->name = obstack_alloc (&objfile->objfile_obstack, len + 1);
+         memcpy (gsymbol->name, linkage_name, len);
+         gsymbol->name[len] = '\0';
+       }
       gsymbol->language_specific.cplus_specific.demangled_name = NULL;
 
       return;
     }
 
+  if (objfile->demangled_names_hash == NULL)
+    create_demangled_names_hash (objfile);
+
   /* The stabs reader generally provides names that are not
      NUL-terminated; most of the other readers don't do this, so we
      can just use the given copy, unless we're in the Java case.  */
@@ -589,8 +625,10 @@ symbol_set_names (struct general_symbol_info *gsymbol,
       linkage_name_copy = linkage_name;
     }
 
-  slot = (char **) htab_find_slot (objfile->demangled_names_hash,
-                                  lookup_name, INSERT);
+  entry.mangled = (char *) lookup_name;
+  slot = ((struct demangled_name_entry **)
+         htab_find_slot (objfile->demangled_names_hash,
+                         &entry, INSERT));
 
   /* If this name is not in the hash table, add it.  */
   if (*slot == NULL)
@@ -599,25 +637,49 @@ symbol_set_names (struct general_symbol_info *gsymbol,
                                                         linkage_name_copy);
       int demangled_len = demangled_name ? strlen (demangled_name) : 0;
 
-      /* If there is a demangled name, place it right after the mangled name.
-        Otherwise, just place a second zero byte after the end of the mangled
-        name.  */
-      *slot = obstack_alloc (&objfile->objfile_obstack,
-                            lookup_len + demangled_len + 2);
-      memcpy (*slot, lookup_name, lookup_len + 1);
+      /* Suppose we have demangled_name==NULL, copy_name==0, and
+        lookup_name==linkage_name.  In this case, we already have the
+        mangled name saved, and we don't have a demangled name.  So,
+        you might think we could save a little space by not recording
+        this in the hash table at all.
+        
+        It turns out that it is actually important to still save such
+        an entry in the hash table, because storing this name gives
+        us better backache hit rates for partial symbols.  */
+      if (!copy_name && lookup_name == linkage_name)
+       {
+         *slot = obstack_alloc (&objfile->objfile_obstack,
+                                offsetof (struct demangled_name_entry,
+                                          demangled)
+                                + demangled_len + 1);
+         (*slot)->mangled = (char *) lookup_name;
+       }
+      else
+       {
+         /* If we must copy the mangled name, put it directly after
+            the demangled name so we can have a single
+            allocation.  */
+         *slot = obstack_alloc (&objfile->objfile_obstack,
+                                offsetof (struct demangled_name_entry,
+                                          demangled)
+                                + lookup_len + demangled_len + 2);
+         (*slot)->mangled = &((*slot)->demangled[demangled_len + 1]);
+         strcpy ((*slot)->mangled, lookup_name);
+       }
+
       if (demangled_name != NULL)
        {
-         memcpy (*slot + lookup_len + 1, demangled_name, demangled_len + 1);
+         strcpy ((*slot)->demangled, demangled_name);
          xfree (demangled_name);
        }
       else
-       (*slot)[lookup_len + 1] = '\0';
+       (*slot)->demangled[0] = '\0';
     }
 
-  gsymbol->name = *slot + lookup_len - len;
-  if ((*slot)[lookup_len + 1] != '\0')
+  gsymbol->name = (*slot)->mangled;
+  if ((*slot)->demangled[0] != '\0')
     gsymbol->language_specific.cplus_specific.demangled_name
-      = &(*slot)[lookup_len + 1];
+      = (*slot)->demangled;
   else
     gsymbol->language_specific.cplus_specific.demangled_name = NULL;
 }
index 2bc3dd5ea638fb2f08cd8c756fccf05acb37bad8..f0c4ddb13765fd558cc53625e3f23a90c69453f9 100644 (file)
@@ -192,10 +192,10 @@ extern void symbol_init_language_specific (struct general_symbol_info *symbol,
 
 /* Set the linkage and natural names of a symbol, by demangling
    the linkage name.  */
-#define SYMBOL_SET_NAMES(symbol,linkage_name,len,objfile) \
-  symbol_set_names (&(symbol)->ginfo, linkage_name, len, objfile)
+#define SYMBOL_SET_NAMES(symbol,linkage_name,len,copy_name,objfile)    \
+  symbol_set_names (&(symbol)->ginfo, linkage_name, len, copy_name, objfile)
 extern void symbol_set_names (struct general_symbol_info *symbol,
-                             const char *linkage_name, int len,
+                             const char *linkage_name, int len, int copy_name,
                              struct objfile *objfile);
 
 /* Now come lots of name accessor macros.  Short version as to when to
@@ -1122,6 +1122,11 @@ extern void prim_record_minimal_symbol (const char *, CORE_ADDR,
                                        enum minimal_symbol_type,
                                        struct objfile *);
 
+extern struct minimal_symbol *prim_record_minimal_symbol_full
+  (const char *, int, int, CORE_ADDR,
+   enum minimal_symbol_type,
+   int section, asection * bfd_section, struct objfile *);
+
 extern struct minimal_symbol *prim_record_minimal_symbol_and_info
   (const char *, CORE_ADDR,
    enum minimal_symbol_type,
index c56ab86d48f1be3e18cdba47db7385277923d95b..a93fbd2f23f4d6cc780d5e3ff321309a72b05925 100644 (file)
@@ -2606,7 +2606,7 @@ scan_xcoff_symtab (struct objfile *objfile)
                  namestring = gdbarch_static_transform_name
                                 (gdbarch, namestring);
 
-               add_psymbol_to_list (namestring, p - namestring,
+               add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_STATIC,
                                     &objfile->static_psymbols,
                                     0, symbol.n_value,
@@ -2617,7 +2617,7 @@ scan_xcoff_symtab (struct objfile *objfile)
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
                /* The addresses in these entries are reported to be
                   wrong.  See the code that reads 'G's for symtabs. */
-               add_psymbol_to_list (namestring, p - namestring,
+               add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_STATIC,
                                     &objfile->global_psymbols,
                                     0, symbol.n_value,
@@ -2635,7 +2635,7 @@ scan_xcoff_symtab (struct objfile *objfile)
                    || (p == namestring + 1
                        && namestring[0] != ' '))
                  {
-                   add_psymbol_to_list (namestring, p - namestring,
+                   add_psymbol_to_list (namestring, p - namestring, 1,
                                         STRUCT_DOMAIN, LOC_TYPEDEF,
                                         &objfile->static_psymbols,
                                         symbol.n_value, 0,
@@ -2643,7 +2643,7 @@ scan_xcoff_symtab (struct objfile *objfile)
                    if (p[2] == 't')
                      {
                        /* Also a typedef with the same name.  */
-                       add_psymbol_to_list (namestring, p - namestring,
+                       add_psymbol_to_list (namestring, p - namestring, 1,
                                             VAR_DOMAIN, LOC_TYPEDEF,
                                             &objfile->static_psymbols,
                                             symbol.n_value, 0,
@@ -2656,7 +2656,7 @@ scan_xcoff_symtab (struct objfile *objfile)
              case 't':
                if (p != namestring)    /* a name is there, not just :T... */
                  {
-                   add_psymbol_to_list (namestring, p - namestring,
+                   add_psymbol_to_list (namestring, p - namestring, 1,
                                         VAR_DOMAIN, LOC_TYPEDEF,
                                         &objfile->static_psymbols,
                                         symbol.n_value, 0,
@@ -2718,7 +2718,7 @@ scan_xcoff_symtab (struct objfile *objfile)
                          ;
                        /* Note that the value doesn't matter for
                           enum constants in psymtabs, just in symtabs.  */
-                       add_psymbol_to_list (p, q - p,
+                       add_psymbol_to_list (p, q - p, 1,
                                             VAR_DOMAIN, LOC_CONST,
                                             &objfile->static_psymbols, 0,
                                             0, psymtab_language, objfile);
@@ -2736,7 +2736,7 @@ scan_xcoff_symtab (struct objfile *objfile)
 
              case 'c':
                /* Constant, e.g. from "const" in Pascal.  */
-               add_psymbol_to_list (namestring, p - namestring,
+               add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_CONST,
                                     &objfile->static_psymbols, symbol.n_value,
                                     0, psymtab_language, objfile);
@@ -2753,7 +2753,7 @@ scan_xcoff_symtab (struct objfile *objfile)
                    xfree (name);
                  }
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
-               add_psymbol_to_list (namestring, p - namestring,
+               add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_BLOCK,
                                     &objfile->static_psymbols,
                                     0, symbol.n_value,
@@ -2782,7 +2782,7 @@ scan_xcoff_symtab (struct objfile *objfile)
                  continue;
 
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
-               add_psymbol_to_list (namestring, p - namestring,
+               add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_BLOCK,
                                     &objfile->global_psymbols,
                                     0, symbol.n_value,