gdb: add target_ops::supports_displaced_step
[deliverable/binutils-gdb.git] / gdb / psymtab.c
index 4cbf91c60c214cffb0da23ca82d508fb2d4cd366..5960c593fcfc24d4c3b904ecec269c62630dcf99 100644 (file)
@@ -1,6 +1,6 @@
 /* Partial symbol tables.
 
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
 
 #include "defs.h"
 #include "symtab.h"
-#include "psympriv.h"
 #include "objfiles.h"
+#include "psympriv.h"
 #include "block.h"
 #include "filenames.h"
 #include "source.h"
 #include "addrmap.h"
 #include "gdbtypes.h"
-#include "bcache.h"
 #include "ui-out.h"
 #include "command.h"
-#include "readline/readline.h"
+#include "readline/tilde.h"
 #include "gdb_regex.h"
 #include "dictionary.h"
 #include "language.h"
 #include "cp-support.h"
 #include "gdbcmd.h"
-
-struct psymbol_bcache
-{
-  struct bcache *bcache;
-};
-
-static struct partial_symbol *match_partial_symbol (struct objfile *,
-                                                   struct partial_symtab *,
-                                                   int,
-                                                   const char *, domain_enum,
-                                                   symbol_compare_ftype *,
-                                                   symbol_compare_ftype *);
+#include <algorithm>
+#include <set>
 
 static struct partial_symbol *lookup_partial_symbol (struct objfile *,
                                                     struct partial_symtab *,
-                                                    const char *, int,
+                                                    const lookup_name_info &,
+                                                    int,
                                                     domain_enum);
 
 static const char *psymtab_to_fullname (struct partial_symtab *ps);
@@ -60,17 +50,45 @@ static struct partial_symbol *find_pc_sect_psymbol (struct objfile *,
                                                    CORE_ADDR,
                                                    struct obj_section *);
 
-static void fixup_psymbol_section (struct partial_symbol *psym,
-                                  struct objfile *objfile);
-
 static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile,
                                                  struct partial_symtab *pst);
 
-/* Ensure that the partial symbols for OBJFILE have been loaded.  This
-   function always returns its argument, as a convenience.  */
+\f
+
+static unsigned long psymbol_hash (const void *addr, int length);
+static int psymbol_compare (const void *addr1, const void *addr2, int length);
 
-struct objfile *
-require_partial_symbols (struct objfile *objfile, int verbose)
+psymtab_storage::psymtab_storage ()
+  : psymbol_cache (psymbol_hash, psymbol_compare)
+{
+}
+
+psymtab_storage::~psymtab_storage ()
+{
+  partial_symtab *iter = psymtabs;
+  while (iter != nullptr)
+    {
+      partial_symtab *next = iter->next;
+      delete iter;
+      iter = next;
+    }
+}
+
+/* See psymtab.h.  */
+
+void
+psymtab_storage::install_psymtab (partial_symtab *pst)
+{
+  pst->next = psymtabs;
+  psymtabs = pst;
+}
+
+\f
+
+/* See psymtab.h.  */
+
+psymtab_storage::partial_symtab_range
+require_partial_symbols (struct objfile *objfile, bool verbose)
 {
   if ((objfile->flags & OBJF_PSYMTABS_READ) == 0)
     {
@@ -79,47 +97,24 @@ require_partial_symbols (struct objfile *objfile, int verbose)
       if (objfile->sf->sym_read_psymbols)
        {
          if (verbose)
-           {
-             printf_unfiltered (_("Reading symbols from %s..."),
-                                objfile_name (objfile));
-             gdb_flush (gdb_stdout);
-           }
+           printf_filtered (_("Reading symbols from %s...\n"),
+                            objfile_name (objfile));
          (*objfile->sf->sym_read_psymbols) (objfile);
-         if (verbose)
-           {
-             if (!objfile_has_symbols (objfile))
-               {
-                 wrap_here ("");
-                 printf_unfiltered (_("(no debugging symbols found)..."));
-                 wrap_here ("");
-               }
 
-             printf_unfiltered (_("done.\n"));
-           }
+         /* Partial symbols list are not expected to changed after this
+            point.  */
+         objfile->partial_symtabs->global_psymbols.shrink_to_fit ();
+         objfile->partial_symtabs->static_psymbols.shrink_to_fit ();
+
+         if (verbose && !objfile_has_symbols (objfile))
+           printf_filtered (_("(No debugging symbols found in %s)\n"),
+                            objfile_name (objfile));
        }
     }
 
-  return objfile;
+  return objfile->psymtabs ();
 }
 
-/* Traverse all psymtabs in one objfile, requiring that the psymtabs
-   be read in.  */
-
-#define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p)              \
-    for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \
-        (p) != NULL;                                           \
-        (p) = (p)->next)
-
-/* We want to make sure this file always requires psymtabs.  */
-
-#undef ALL_OBJFILE_PSYMTABS
-
-/* Traverse all psymtabs in all objfiles.  */
-
-#define ALL_PSYMTABS(objfile, p) \
-  ALL_OBJFILES (objfile)        \
-    ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
-
 /* Helper function for psym_map_symtabs_matching_filename that
    expands the symtabs and calls the iterator.  */
 
@@ -137,7 +132,7 @@ partial_map_expand_apply (struct objfile *objfile,
   gdb_assert (pst->user == NULL);
 
   /* Don't visit already-expanded psymtabs.  */
-  if (pst->readin)
+  if (pst->readin_p (objfile))
     return 0;
 
   /* This may expand more than one symtab, and we want to iterate over
@@ -158,57 +153,54 @@ psym_map_symtabs_matching_filename
    const char *real_path,
    gdb::function_view<bool (symtab *)> callback)
 {
-  struct partial_symtab *pst;
   const char *name_basename = lbasename (name);
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
-  {
-    /* We can skip shared psymtabs here, because any file name will be
-       attached to the unshared psymtab.  */
-    if (pst->user != NULL)
-      continue;
-
-    /* Anonymous psymtabs don't have a file name.  */
-    if (pst->anonymous)
-      continue;
-
-    if (compare_filenames_for_search (pst->filename, name))
-      {
-       if (partial_map_expand_apply (objfile, name, real_path,
-                                     pst, callback))
-         return true;
+  for (partial_symtab *pst : require_partial_symbols (objfile, true))
+    {
+      /* Anonymous psymtabs don't have a file name.  */
+      if (pst->anonymous)
        continue;
-      }
 
-    /* Before we invoke realpath, which can get expensive when many
-       files are involved, do a quick comparison of the basenames.  */
-    if (! basenames_may_differ
-       && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0)
-      continue;
+      if (compare_filenames_for_search (pst->filename, name))
+       {
+         while (pst->user)
+           pst = pst->user;
 
-    if (compare_filenames_for_search (psymtab_to_fullname (pst), name))
-      {
-       if (partial_map_expand_apply (objfile, name, real_path,
-                                     pst, callback))
-         return true;
+         if (partial_map_expand_apply (objfile, name, real_path,
+                                       pst, callback))
+           return true;
+         continue;
+       }
+
+      /* Before we invoke realpath, which can get expensive when many
+        files are involved, do a quick comparison of the basenames.  */
+      if (! basenames_may_differ
+         && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0)
        continue;
-      }
 
-    /* If the user gave us an absolute path, try to find the file in
-       this symtab and use its absolute path.  */
-    if (real_path != NULL)
-      {
-       gdb_assert (IS_ABSOLUTE_PATH (real_path));
-       gdb_assert (IS_ABSOLUTE_PATH (name));
-       if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0)
-         {
-           if (partial_map_expand_apply (objfile, name, real_path,
-                                         pst, callback))
-             return true;
-           continue;
-         }
-      }
-  }
+      if (compare_filenames_for_search (psymtab_to_fullname (pst), name))
+       {
+         if (partial_map_expand_apply (objfile, name, real_path,
+                                       pst, callback))
+           return true;
+         continue;
+       }
+
+      /* If the user gave us an absolute path, try to find the file in
+        this symtab and use its absolute path.  */
+      if (real_path != NULL)
+       {
+         gdb_assert (IS_ABSOLUTE_PATH (real_path));
+         gdb_assert (IS_ABSOLUTE_PATH (name));
+         if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0)
+           {
+             if (partial_map_expand_apply (objfile, name, real_path,
+                                           pst, callback))
+               return true;
+             continue;
+           }
+       }
+    }
 
   return false;
 }
@@ -224,7 +216,7 @@ find_pc_sect_psymtab_closer (struct objfile *objfile,
 {
   struct partial_symtab *tpst;
   struct partial_symtab *best_pst = pst;
-  CORE_ADDR best_addr = pst->textlow;
+  CORE_ADDR best_addr = pst->text_low (objfile);
 
   gdb_assert (!pst->psymtabs_addrmap_supported);
 
@@ -248,7 +240,7 @@ find_pc_sect_psymtab_closer (struct objfile *objfile,
      that is closest and still less than the given PC.  */
   for (tpst = pst; tpst != NULL; tpst = tpst->next)
     {
-      if (pc >= tpst->textlow && pc < tpst->texthigh)
+      if (pc >= tpst->text_low (objfile) && pc < tpst->text_high (objfile))
        {
          struct partial_symbol *p;
          CORE_ADDR this_addr;
@@ -259,8 +251,7 @@ find_pc_sect_psymtab_closer (struct objfile *objfile,
             object's symbol table.  */
          p = find_pc_sect_psymbol (objfile, tpst, pc, section);
          if (p != NULL
-             && (SYMBOL_VALUE_ADDRESS (p)
-                 == BMSYMBOL_VALUE_ADDRESS (msymbol)))
+             && (p->address (objfile) == BMSYMBOL_VALUE_ADDRESS (msymbol)))
            return tpst;
 
          /* Also accept the textlow value of a psymtab as a
@@ -268,9 +259,9 @@ find_pc_sect_psymtab_closer (struct objfile *objfile,
             symbol tables with line information but no debug
             symbols (e.g. those produced by an assembler).  */
          if (p != NULL)
-           this_addr = SYMBOL_VALUE_ADDRESS (p);
+           this_addr = p->address (objfile);
          else
-           this_addr = tpst->textlow;
+           this_addr = tpst->text_low (objfile);
 
          /* Check whether it is closer than our current
             BEST_ADDR.  Since this symbol address is
@@ -302,15 +293,27 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
                      struct obj_section *section,
                      struct bound_minimal_symbol msymbol)
 {
-  struct partial_symtab *pst;
-
-  /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity
-     than the later used TEXTLOW/TEXTHIGH one.  */
-
-  if (objfile->psymtabs_addrmap != NULL)
+  /* Try just the PSYMTABS_ADDRMAP mapping first as it has better
+     granularity than the later used TEXTLOW/TEXTHIGH one.  However, we need
+     to take care as the PSYMTABS_ADDRMAP can hold things other than partial
+     symtabs in some cases.
+
+     This function should only be called for objfiles that are using partial
+     symtabs, not for objfiles that are using indexes (.gdb_index or
+     .debug_names), however 'maintenance print psymbols' calls this function
+     directly for all objfiles.  If we assume that PSYMTABS_ADDRMAP contains
+     partial symtabs then we will end up returning a pointer to an object
+     that is not a partial_symtab, which doesn't end well.  */
+
+  if (objfile->partial_symtabs->psymtabs != NULL
+      && objfile->partial_symtabs->psymtabs_addrmap != NULL)
     {
-      pst = ((struct partial_symtab *)
-            addrmap_find (objfile->psymtabs_addrmap, pc));
+      CORE_ADDR baseaddr = objfile->text_section_offset ();
+
+      struct partial_symtab *pst
+       = ((struct partial_symtab *)
+          addrmap_find (objfile->partial_symtabs->psymtabs_addrmap,
+                        pc - baseaddr));
       if (pst != NULL)
        {
          /* FIXME: addrmaps currently do not handle overlayed sections,
@@ -326,7 +329,7 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
                 object's symbol table.  */
              p = find_pc_sect_psymbol (objfile, pst, pc, section);
              if (p == NULL
-                 || (SYMBOL_VALUE_ADDRESS (p)
+                 || (p->address (objfile)
                      != BMSYMBOL_VALUE_ADDRESS (msymbol)))
                goto next;
            }
@@ -352,9 +355,9 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
      its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying
      debug info type in single OBJFILE.  */
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
+  for (partial_symtab *pst : require_partial_symbols (objfile, true))
     if (!pst->psymtabs_addrmap_supported
-       && pc >= pst->textlow && pc < pst->texthigh)
+       && pc >= pst->text_low (objfile) && pc < pst->text_high (objfile))
       {
        struct partial_symtab *best_pst;
 
@@ -381,15 +384,15 @@ psym_find_pc_sect_compunit_symtab (struct objfile *objfile,
                                                    msymbol);
   if (ps != NULL)
     {
-      if (warn_if_readin && ps->readin)
+      if (warn_if_readin && ps->readin_p (objfile))
        /* Might want to error() here (in case symtab is corrupt and
           will cause a core dump), but maybe we can successfully
           continue, so let's not.  */
        warning (_("\
 (Internal error: pc %s in read in psymtab, but not in symtab.)\n"),
-                paddress (get_objfile_arch (objfile), pc));
+                paddress (objfile->arch (), pc));
       psymtab_to_symtab (objfile, ps);
-      return ps->compunit_symtab;
+      return ps->get_compunit_symtab (objfile);
     }
   return NULL;
 }
@@ -402,63 +405,62 @@ find_pc_sect_psymbol (struct objfile *objfile,
                      struct partial_symtab *psymtab, CORE_ADDR pc,
                      struct obj_section *section)
 {
-  struct partial_symbol *best = NULL, *p, **pp;
+  struct partial_symbol *best = NULL;
   CORE_ADDR best_pc;
+  const CORE_ADDR textlow = psymtab->text_low (objfile);
 
   gdb_assert (psymtab != NULL);
 
   /* Cope with programs that start at address 0.  */
-  best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0;
+  best_pc = (textlow != 0) ? textlow - 1 : 0;
 
   /* Search the global symbols as well as the static symbols, so that
      find_pc_partial_function doesn't use a minimal symbol and thus
      cache a bad endaddr.  */
-  for (pp = objfile->global_psymbols.list + psymtab->globals_offset;
-       (pp - (objfile->global_psymbols.list + psymtab->globals_offset)
-       < psymtab->n_global_syms);
-       pp++)
+  for (int i = 0; i < psymtab->n_global_syms; i++)
     {
-      p = *pp;
-      if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
-         && PSYMBOL_CLASS (p) == LOC_BLOCK
-         && pc >= SYMBOL_VALUE_ADDRESS (p)
-         && (SYMBOL_VALUE_ADDRESS (p) > best_pc
-             || (psymtab->textlow == 0
-                 && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
+      partial_symbol *p
+       = objfile->partial_symtabs->global_psymbols[psymtab->globals_offset
+                                                   + i];
+
+      if (p->domain == VAR_DOMAIN
+         && p->aclass == LOC_BLOCK
+         && pc >= p->address (objfile)
+         && (p->address (objfile) > best_pc
+             || (psymtab->text_low (objfile) == 0
+                 && best_pc == 0 && p->address (objfile) == 0)))
        {
          if (section != NULL)  /* Match on a specific section.  */
            {
-             fixup_psymbol_section (p, objfile);
-             if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p),
+             if (!matching_obj_sections (p->obj_section (objfile),
                                          section))
                continue;
            }
-         best_pc = SYMBOL_VALUE_ADDRESS (p);
+         best_pc = p->address (objfile);
          best = p;
        }
     }
 
-  for (pp = objfile->static_psymbols.list + psymtab->statics_offset;
-       (pp - (objfile->static_psymbols.list + psymtab->statics_offset)
-       < psymtab->n_static_syms);
-       pp++)
+  for (int i = 0; i < psymtab->n_static_syms; i++)
     {
-      p = *pp;
-      if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
-         && PSYMBOL_CLASS (p) == LOC_BLOCK
-         && pc >= SYMBOL_VALUE_ADDRESS (p)
-         && (SYMBOL_VALUE_ADDRESS (p) > best_pc
-             || (psymtab->textlow == 0
-                 && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
+      partial_symbol *p
+       = objfile->partial_symtabs->static_psymbols[psymtab->statics_offset
+                                                   + i];
+
+      if (p->domain == VAR_DOMAIN
+         && p->aclass == LOC_BLOCK
+         && pc >= p->address (objfile)
+         && (p->address (objfile) > best_pc
+             || (psymtab->text_low (objfile) == 0
+                 && best_pc == 0 && p->address (objfile) == 0)))
        {
          if (section != NULL)  /* Match on a specific section.  */
            {
-             fixup_psymbol_section (p, objfile);
-             if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p),
+             if (!matching_obj_sections (p->obj_section (objfile),
                                          section))
                continue;
            }
-         best_pc = SYMBOL_VALUE_ADDRESS (p);
+         best_pc = p->address (objfile);
          best = p;
        }
     }
@@ -466,80 +468,97 @@ find_pc_sect_psymbol (struct objfile *objfile,
   return best;
 }
 
-static void
-fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile)
-{
-  CORE_ADDR addr;
+/* Psymtab version of lookup_symbol.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
-  if (psym == NULL)
-    return;
+static struct compunit_symtab *
+psym_lookup_symbol (struct objfile *objfile,
+                   block_enum block_index, const char *name,
+                   const domain_enum domain)
+{
+  const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0);
+  struct compunit_symtab *stab_best = NULL;
 
-  if (SYMBOL_SECTION (psym) >= 0)
-    return;
+  lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
 
-  gdb_assert (objfile);
+  lookup_name_info psym_lookup_name = lookup_name.make_ignore_params ();
 
-  switch (PSYMBOL_CLASS (psym))
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
-    case LOC_STATIC:
-    case LOC_LABEL:
-    case LOC_BLOCK:
-      addr = SYMBOL_VALUE_ADDRESS (psym);
-      break;
-    default:
-      /* Nothing else will be listed in the minsyms -- no use looking
-        it up.  */
-      return;
+      if (!ps->readin_p (objfile)
+         && lookup_partial_symbol (objfile, ps, psym_lookup_name,
+                                   psymtab_index, domain))
+       {
+         struct symbol *sym, *with_opaque = NULL;
+         struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps);
+         /* Note: While psymtab_to_symtab can return NULL if the
+            partial symtab is empty, we can assume it won't here
+            because lookup_partial_symbol succeeded.  */
+         const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab);
+         const struct block *block = BLOCKVECTOR_BLOCK (bv, block_index);
+
+         sym = block_find_symbol (block, name, domain,
+                                  block_find_non_opaque_type_preferred,
+                                  &with_opaque);
+
+         /* Some caution must be observed with overloaded functions
+            and methods, since the index will not contain any overload
+            information (but NAME might contain it).  */
+
+         if (sym != NULL
+             && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name))
+           return stab;
+         if (with_opaque != NULL
+             && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name))
+           stab_best = stab;
+
+         /* Keep looking through other psymtabs.  */
+       }
     }
 
-  fixup_section (&psym->ginfo, addr, objfile);
+  return stab_best;
 }
 
-/* Psymtab version of lookup_symbol.  See its definition in
+/* Psymtab version of lookup_global_symbol_language.  See its definition in
    the definition of quick_symbol_functions in symfile.h.  */
 
-static struct compunit_symtab *
-psym_lookup_symbol (struct objfile *objfile,
-                   int block_index, const char *name,
-                   const domain_enum domain)
+static enum language
+psym_lookup_global_symbol_language (struct objfile *objfile, const char *name,
+                                   domain_enum domain, bool *symbol_found_p)
 {
-  struct partial_symtab *ps;
-  const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0);
-  struct compunit_symtab *stab_best = NULL;
+  *symbol_found_p = false;
+  if (objfile->sf == NULL)
+    return language_unknown;
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
-  {
-    if (!ps->readin && lookup_partial_symbol (objfile, ps, name,
-                                             psymtab_index, domain))
-      {
-       struct symbol *sym, *with_opaque = NULL;
-       struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps);
-       /* Note: While psymtab_to_symtab can return NULL if the partial symtab
-          is empty, we can assume it won't here because lookup_partial_symbol
-          succeeded.  */
-       const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab);
-       struct block *block = BLOCKVECTOR_BLOCK (bv, block_index);
-
-       sym = block_find_symbol (block, name, domain,
-                                block_find_non_opaque_type_preferred,
-                                &with_opaque);
-
-       /* Some caution must be observed with overloaded functions
-          and methods, since the index will not contain any overload
-          information (but NAME might contain it).  */
-
-       if (sym != NULL
-           && SYMBOL_MATCHES_SEARCH_NAME (sym, name))
-         return stab;
-       if (with_opaque != NULL
-           && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, name))
-         stab_best = stab;
-
-       /* Keep looking through other psymtabs.  */
-      }
-  }
+  lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
 
-  return stab_best;
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
+    {
+      struct partial_symbol *psym;
+      if (ps->readin_p (objfile))
+       continue;
+
+      psym = lookup_partial_symbol (objfile, ps, lookup_name, 1, domain);
+      if (psym)
+       {
+         *symbol_found_p = true;
+         return psym->ginfo.language ();
+       }
+    }
+
+  return language_unknown;
+}
+
+/* Returns true if PSYM matches LOOKUP_NAME.  */
+
+static bool
+psymbol_name_matches (partial_symbol *psym,
+                     const lookup_name_info &lookup_name)
+{
+  const language_defn *lang = language_def (psym->ginfo.language ());
+  symbol_name_matcher_ftype *name_match
+    = get_symbol_name_matcher (lang, lookup_name);
+  return name_match (psym->ginfo.search_name (), lookup_name, NULL);
 }
 
 /* Look in PST for a symbol in DOMAIN whose name matches NAME.  Search
@@ -553,8 +572,7 @@ psym_lookup_symbol (struct objfile *objfile,
 static struct partial_symbol *
 match_partial_symbol (struct objfile *objfile,
                      struct partial_symtab *pst, int global,
-                     const char *name, domain_enum domain,
-                     symbol_compare_ftype *match,
+                     const lookup_name_info &name, domain_enum domain,
                      symbol_compare_ftype *ordered_compare)
 {
   struct partial_symbol **start, **psym;
@@ -563,10 +581,11 @@ match_partial_symbol (struct objfile *objfile,
   int do_linear_search = 1;
 
   if (length == 0)
-      return NULL;
+    return NULL;
+
   start = (global ?
-          objfile->global_psymbols.list + pst->globals_offset :
-          objfile->static_psymbols.list + pst->statics_offset);
+          &objfile->partial_symtabs->global_psymbols[pst->globals_offset] :
+          &objfile->partial_symtabs->static_psymbols[pst->statics_offset]);
 
   if (global && ordered_compare)  /* Can use a binary search.  */
     {
@@ -585,7 +604,12 @@ match_partial_symbol (struct objfile *objfile,
        {
          center = bottom + (top - bottom) / 2;
          gdb_assert (center < top);
-         if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0)
+
+         enum language lang = (*center)->ginfo.language ();
+         const char *lang_ln = name.language_lookup_name (lang);
+
+         if (ordered_compare ((*center)->ginfo.search_name (),
+                              lang_ln) >= 0)
            top = center;
          else
            bottom = center + 1;
@@ -593,10 +617,10 @@ match_partial_symbol (struct objfile *objfile,
       gdb_assert (top == bottom);
 
       while (top <= real_top
-            && match (SYMBOL_SEARCH_NAME (*top), name) == 0)
+            && psymbol_name_matches (*top, name))
        {
-         if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
-                                    SYMBOL_DOMAIN (*top), domain))
+         if (symbol_matches_domain ((*top)->ginfo.language (),
+                                    (*top)->domain, domain))
            return *top;
          top++;
        }
@@ -609,9 +633,9 @@ match_partial_symbol (struct objfile *objfile,
     {
       for (psym = start; psym < start + length; psym++)
        {
-         if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
-                                    SYMBOL_DOMAIN (*psym), domain)
-             && match (SYMBOL_SEARCH_NAME (*psym), name) == 0)
+         if (symbol_matches_domain ((*psym)->ginfo.language (),
+                                    (*psym)->domain, domain)
+             && psymbol_name_matches (*psym, name))
            return *psym;
        }
     }
@@ -619,44 +643,14 @@ match_partial_symbol (struct objfile *objfile,
   return NULL;
 }
 
-/* Returns the name used to search psymtabs.  Unlike symtabs, psymtabs do
-   not contain any method/function instance information (since this would
-   force reading type information while reading psymtabs).  Therefore,
-   if NAME contains overload information, it must be stripped before searching
-   psymtabs.
-
-   The caller is responsible for freeing the return result.  */
-
-static gdb::unique_xmalloc_ptr<char>
-psymtab_search_name (const char *name)
-{
-  switch (current_language->la_language)
-    {
-    case language_cplus:
-      {
-       if (strchr (name, '('))
-         {
-           char *ret = cp_remove_params (name);
-
-           if (ret)
-             return gdb::unique_xmalloc_ptr<char> (ret);
-         }
-      }
-      break;
-
-    default:
-      break;
-    }
-
-  return gdb::unique_xmalloc_ptr<char> (xstrdup (name));
-}
-
-/* Look, in partial_symtab PST, for symbol whose natural name is NAME.
-   Check the global symbols if GLOBAL, the static symbols if not.  */
+/* Look, in partial_symtab PST, for symbol whose natural name is
+   LOOKUP_NAME.  Check the global symbols if GLOBAL, the static
+   symbols if not.  */
 
 static struct partial_symbol *
 lookup_partial_symbol (struct objfile *objfile,
-                      struct partial_symtab *pst, const char *name,
+                      struct partial_symtab *pst,
+                      const lookup_name_info &lookup_name,
                       int global, domain_enum domain)
 {
   struct partial_symbol **start, **psym;
@@ -667,10 +661,9 @@ lookup_partial_symbol (struct objfile *objfile,
   if (length == 0)
     return NULL;
 
-  gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name);
   start = (global ?
-          objfile->global_psymbols.list + pst->globals_offset :
-          objfile->static_psymbols.list + pst->statics_offset);
+          &objfile->partial_symtabs->global_psymbols[pst->globals_offset] :
+          &objfile->partial_symtabs->static_psymbols[pst->statics_offset]);
 
   if (global)                  /* This means we can use a binary search.  */
     {
@@ -688,11 +681,11 @@ lookup_partial_symbol (struct objfile *objfile,
       while (top > bottom)
        {
          center = bottom + (top - bottom) / 2;
-         if (!(center < top))
-           internal_error (__FILE__, __LINE__,
-                           _("failed internal consistency check"));
-         if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center),
-                                search_name.get ()) >= 0)
+
+         gdb_assert (center < top);
+
+         if (strcmp_iw_ordered ((*center)->ginfo.search_name (),
+                                lookup_name.c_str ()) >= 0)
            {
              top = center;
            }
@@ -701,24 +694,23 @@ lookup_partial_symbol (struct objfile *objfile,
              bottom = center + 1;
            }
        }
-      if (!(top == bottom))
-       internal_error (__FILE__, __LINE__,
-                       _("failed internal consistency check"));
+
+      gdb_assert (top == bottom);
 
       /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will
         search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME.  */
-      while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top,
-                                                        search_name.get ()))
+      while (top >= start && symbol_matches_search_name (&(*top)->ginfo,
+                                                        lookup_name))
        top--;
 
       /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME.  */
       top++;
 
-      while (top <= real_top
-            && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name.get ()))
+      while (top <= real_top && symbol_matches_search_name (&(*top)->ginfo,
+                                                           lookup_name))
        {
-         if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
-                                    SYMBOL_DOMAIN (*top), domain))
+         if (symbol_matches_domain ((*top)->ginfo.language (),
+                                    (*top)->domain, domain))
            return *top;
          top++;
        }
@@ -731,9 +723,9 @@ lookup_partial_symbol (struct objfile *objfile,
     {
       for (psym = start; psym < start + length; psym++)
        {
-         if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
-                                    SYMBOL_DOMAIN (*psym), domain)
-             && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name.get ()))
+         if (symbol_matches_domain ((*psym)->ginfo.language (),
+                                    (*psym)->domain, domain)
+             && symbol_matches_search_name (&(*psym)->ginfo, lookup_name))
            return *psym;
        }
     }
@@ -756,55 +748,25 @@ psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst)
     pst = pst->user;
 
   /* If it's been looked up before, return it.  */
-  if (pst->compunit_symtab)
-    return pst->compunit_symtab;
+  if (pst->get_compunit_symtab (objfile))
+    return pst->get_compunit_symtab (objfile);
 
   /* If it has not yet been read in, read it.  */
-  if (!pst->readin)
+  if (!pst->readin_p (objfile))
     {
       scoped_restore decrementer = increment_reading_symtab ();
 
-      (*pst->read_symtab) (pst, objfile);
-    }
-
-  return pst->compunit_symtab;
-}
-
-/* Psymtab version of relocate.  See its definition in
-   the definition of quick_symbol_functions in symfile.h.  */
-
-static void
-psym_relocate (struct objfile *objfile,
-              const struct section_offsets *new_offsets,
-              const struct section_offsets *delta)
-{
-  struct partial_symbol **psym;
-  struct partial_symtab *p;
+      if (info_verbose)
+       {
+         printf_filtered (_("Reading in symbols for %s...\n"),
+                          pst->filename);
+         gdb_flush (gdb_stdout);
+       }
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
-    {
-      p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
-      p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
+      pst->read_symtab (objfile);
     }
 
-  for (psym = objfile->global_psymbols.list;
-       psym < objfile->global_psymbols.next;
-       psym++)
-    {
-      fixup_psymbol_section (*psym, objfile);
-      if (SYMBOL_SECTION (*psym) >= 0)
-       SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
-                                                 SYMBOL_SECTION (*psym));
-    }
-  for (psym = objfile->static_psymbols.list;
-       psym < objfile->static_psymbols.next;
-       psym++)
-    {
-      fixup_psymbol_section (*psym, objfile);
-      if (SYMBOL_SECTION (*psym) >= 0)
-       SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
-                                                 SYMBOL_SECTION (*psym));
-    }
+  return pst->get_compunit_symtab (objfile);
 }
 
 /* Psymtab version of find_last_source_symtab.  See its definition in
@@ -813,10 +775,9 @@ psym_relocate (struct objfile *objfile,
 static struct symtab *
 psym_find_last_source_symtab (struct objfile *ofp)
 {
-  struct partial_symtab *ps;
   struct partial_symtab *cs_pst = NULL;
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps)
+  for (partial_symtab *ps : require_partial_symbols (ofp, true))
     {
       const char *name = ps->filename;
       int len = strlen (name);
@@ -828,7 +789,7 @@ psym_find_last_source_symtab (struct objfile *ofp)
 
   if (cs_pst)
     {
-      if (cs_pst->readin)
+      if (cs_pst->readin_p (ofp))
        {
          internal_error (__FILE__, __LINE__,
                          _("select_source_symtab: "
@@ -852,9 +813,7 @@ psym_find_last_source_symtab (struct objfile *ofp)
 static void
 psym_forget_cached_source_info (struct objfile *objfile)
 {
-  struct partial_symtab *pst;
-
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst)
+  for (partial_symtab *pst : require_partial_symbols (objfile, true))
     {
       if (pst->fullname != NULL)
        {
@@ -865,7 +824,7 @@ psym_forget_cached_source_info (struct objfile *objfile)
 }
 
 static void
-print_partial_symbols (struct gdbarch *gdbarch,
+print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile,
                       struct partial_symbol **p, int count, const char *what,
                       struct ui_file *outfile)
 {
@@ -873,13 +832,14 @@ print_partial_symbols (struct gdbarch *gdbarch,
   while (count-- > 0)
     {
       QUIT;
-      fprintf_filtered (outfile, "    `%s'", SYMBOL_LINKAGE_NAME (*p));
-      if (SYMBOL_DEMANGLED_NAME (*p) != NULL)
+      fprintf_filtered (outfile, "    `%s'", (*p)->ginfo.linkage_name ());
+      if ((*p)->ginfo.demangled_name () != NULL)
        {
-         fprintf_filtered (outfile, "  `%s'", SYMBOL_DEMANGLED_NAME (*p));
+         fprintf_filtered (outfile, "  `%s'",
+                           (*p)->ginfo.demangled_name ());
        }
       fputs_filtered (", ", outfile);
-      switch (SYMBOL_DOMAIN (*p))
+      switch ((*p)->domain)
        {
        case UNDEF_DOMAIN:
          fputs_filtered ("undefined domain, ", outfile);
@@ -890,14 +850,20 @@ print_partial_symbols (struct gdbarch *gdbarch,
        case STRUCT_DOMAIN:
          fputs_filtered ("struct domain, ", outfile);
          break;
+       case MODULE_DOMAIN:
+         fputs_filtered ("module domain, ", outfile);
+         break;
        case LABEL_DOMAIN:
          fputs_filtered ("label domain, ", outfile);
          break;
+       case COMMON_BLOCK_DOMAIN:
+         fputs_filtered ("common block domain, ", outfile);
+         break;
        default:
          fputs_filtered ("<invalid domain>, ", outfile);
          break;
        }
-      switch (PSYMBOL_CLASS (*p))
+      switch ((*p)->aclass)
        {
        case LOC_UNDEF:
          fputs_filtered ("undefined", outfile);
@@ -949,7 +915,7 @@ print_partial_symbols (struct gdbarch *gdbarch,
          break;
        }
       fputs_filtered (", ", outfile);
-      fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (*p)), outfile);
+      fputs_filtered (paddress (gdbarch, (*p)->unrelocated_address ()), outfile);
       fprintf_filtered (outfile, "\n");
       p++;
     }
@@ -959,7 +925,7 @@ static void
 dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
              struct ui_file *outfile)
 {
-  struct gdbarch *gdbarch = get_objfile_arch (objfile);
+  struct gdbarch *gdbarch = objfile->arch ();
   int i;
 
   if (psymtab->anonymous)
@@ -975,25 +941,23 @@ dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
   fprintf_filtered (outfile, "(object ");
   gdb_print_host_address (psymtab, outfile);
   fprintf_filtered (outfile, ")\n\n");
-  fprintf_unfiltered (outfile, "  Read from object file %s (",
-                     objfile_name (objfile));
+  fprintf_filtered (outfile, "  Read from object file %s (",
+                   objfile_name (objfile));
   gdb_print_host_address (objfile, outfile);
-  fprintf_unfiltered (outfile, ")\n");
+  fprintf_filtered (outfile, ")\n");
 
-  if (psymtab->readin)
+  if (psymtab->readin_p (objfile))
     {
       fprintf_filtered (outfile,
                        "  Full symtab was read (at ");
-      gdb_print_host_address (psymtab->compunit_symtab, outfile);
-      fprintf_filtered (outfile, " by function at ");
-      gdb_print_host_address (psymtab->read_symtab, outfile);
+      gdb_print_host_address (psymtab->get_compunit_symtab (objfile), outfile);
       fprintf_filtered (outfile, ")\n");
     }
 
   fprintf_filtered (outfile, "  Symbols cover text addresses ");
-  fputs_filtered (paddress (gdbarch, psymtab->textlow), outfile);
+  fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), outfile);
   fprintf_filtered (outfile, "-");
-  fputs_filtered (paddress (gdbarch, psymtab->texthigh), outfile);
+  fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), outfile);
   fprintf_filtered (outfile, "\n");
   fprintf_filtered (outfile, "  Address map supported - %s.\n",
                    psymtab->psymtabs_addrmap_supported ? "yes" : "no");
@@ -1014,17 +978,17 @@ dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
     }
   if (psymtab->n_global_syms > 0)
     {
-      print_partial_symbols (gdbarch,
-                            objfile->global_psymbols.list
-                            + psymtab->globals_offset,
-                            psymtab->n_global_syms, "Global", outfile);
+      print_partial_symbols
+       (gdbarch, objfile,
+        &objfile->partial_symtabs->global_psymbols[psymtab->globals_offset],
+        psymtab->n_global_syms, "Global", outfile);
     }
   if (psymtab->n_static_syms > 0)
     {
-      print_partial_symbols (gdbarch,
-                            objfile->static_psymbols.list
-                            + psymtab->statics_offset,
-                            psymtab->n_static_syms, "Static", outfile);
+      print_partial_symbols
+       (gdbarch, objfile,
+        &objfile->partial_symtabs->static_psymbols[psymtab->statics_offset],
+        psymtab->n_static_syms, "Static", outfile);
     }
   fprintf_filtered (outfile, "\n");
 }
@@ -1036,12 +1000,11 @@ static void
 psym_print_stats (struct objfile *objfile)
 {
   int i;
-  struct partial_symtab *ps;
 
   i = 0;
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
-      if (ps->readin == 0)
+      if (!ps->readin_p (objfile))
        i++;
     }
   printf_filtered (_("  Number of psym tables (not yet expanded): %d\n"), i);
@@ -1055,10 +1018,10 @@ psym_dump (struct objfile *objfile)
 {
   struct partial_symtab *psymtab;
 
-  if (objfile->psymtabs)
+  if (objfile->partial_symtabs->psymtabs)
     {
       printf_filtered ("Psymtabs:\n");
-      for (psymtab = objfile->psymtabs;
+      for (psymtab = objfile->partial_symtabs->psymtabs;
           psymtab != NULL;
           psymtab = psymtab->next)
        {
@@ -1079,19 +1042,20 @@ static void
 psym_expand_symtabs_for_function (struct objfile *objfile,
                                  const char *func_name)
 {
-  struct partial_symtab *ps;
+  lookup_name_info base_lookup (func_name, symbol_name_match_type::FULL);
+  lookup_name_info lookup_name = base_lookup.make_ignore_params ();
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
-  {
-    if (ps->readin)
-      continue;
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
+    {
+      if (ps->readin_p (objfile))
+       continue;
 
-    if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN)
-        != NULL)
-       || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN)
-           != NULL))
-      psymtab_to_symtab (objfile, ps);
-  }
+      if ((lookup_partial_symbol (objfile, ps, lookup_name, 1, VAR_DOMAIN)
+          != NULL)
+         || (lookup_partial_symbol (objfile, ps, lookup_name, 0, VAR_DOMAIN)
+             != NULL))
+       psymtab_to_symtab (objfile, ps);
+    }
 }
 
 /* Psymtab version of expand_all_symtabs.  See its definition in
@@ -1100,12 +1064,8 @@ psym_expand_symtabs_for_function (struct objfile *objfile,
 static void
 psym_expand_all_symtabs (struct objfile *objfile)
 {
-  struct partial_symtab *psymtab;
-
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab)
-    {
-      psymtab_to_symtab (objfile, psymtab);
-    }
+  for (partial_symtab *psymtab : require_partial_symbols (objfile, true))
+    psymtab_to_symtab (objfile, psymtab);
 }
 
 /* Psymtab version of expand_symtabs_with_fullname.  See its definition in
@@ -1115,9 +1075,7 @@ static void
 psym_expand_symtabs_with_fullname (struct objfile *objfile,
                                   const char *fullname)
 {
-  struct partial_symtab *p;
-
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
+  for (partial_symtab *p : require_partial_symbols (objfile, true))
     {
       /* Anonymous psymtabs don't have a name of a source file.  */
       if (p->anonymous)
@@ -1140,13 +1098,11 @@ psym_map_symbol_filenames (struct objfile *objfile,
                           symbol_filename_ftype *fun, void *data,
                           int need_fullname)
 {
-  struct partial_symtab *ps;
-
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
       const char *fullname;
 
-      if (ps->readin)
+      if (ps->readin_p (objfile))
        continue;
 
       /* We can skip shared psymtabs here, because any file name will be
@@ -1185,14 +1141,13 @@ psymtab_to_fullname (struct partial_symtab *ps)
      to handle cases like the file being moved.  */
   if (ps->fullname == NULL)
     {
-      int fd = find_and_open_source (ps->filename, ps->dirname, &ps->fullname);
+      gdb::unique_xmalloc_ptr<char> fullname;
+      scoped_fd fd = find_and_open_source (ps->filename, ps->dirname,
+                                          &fullname);
+      ps->fullname = fullname.release ();
 
-      if (fd >= 0)
-       close (fd);
-      else
+      if (fd.get () < 0)
        {
-         gdb::unique_xmalloc_ptr<char> fullname;
-
          /* rewrite_source_path would be applied by find_and_open_source, we
             should report the pathname where GDB tried to find the file.  */
 
@@ -1211,67 +1166,34 @@ psymtab_to_fullname (struct partial_symtab *ps)
   return ps->fullname;
 }
 
-/* For all symbols, s, in BLOCK that are in DOMAIN and match NAME
-   according to the function MATCH, call CALLBACK(BLOCK, s, DATA).
-   BLOCK is assumed to come from OBJFILE.  Returns 1 iff CALLBACK
-   ever returns non-zero, and otherwise returns 0.  */
-
-static int
-map_block (const char *name, domain_enum domain, struct objfile *objfile,
-          struct block *block,
-          int (*callback) (struct block *, struct symbol *, void *),
-          void *data, symbol_compare_ftype *match)
-{
-  struct block_iterator iter;
-  struct symbol *sym;
-
-  for (sym = block_iter_match_first (block, name, match, &iter);
-       sym != NULL; sym = block_iter_match_next (name, match, &iter))
-    {
-      if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
-                                SYMBOL_DOMAIN (sym), domain))
-       {
-         if (callback (block, sym, data))
-           return 1;
-       }
-    }
-
-  return 0;
-}
-
 /* Psymtab version of map_matching_symbols.  See its definition in
    the definition of quick_symbol_functions in symfile.h.  */
 
 static void
-psym_map_matching_symbols (struct objfile *objfile,
-                          const char *name, domain_enum domain,
-                          int global,
-                          int (*callback) (struct block *,
-                                           struct symbol *, void *),
-                          void *data,
-                          symbol_compare_ftype *match,
-                          symbol_compare_ftype *ordered_compare)
+psym_map_matching_symbols
+  (struct objfile *objfile,
+   const lookup_name_info &name, domain_enum domain,
+   int global,
+   gdb::function_view<symbol_found_callback_ftype> callback,
+   symbol_compare_ftype *ordered_compare)
 {
   const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK;
-  struct partial_symtab *ps;
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
     {
       QUIT;
-      if (ps->readin
-         || match_partial_symbol (objfile, ps, global, name, domain, match,
+      if (ps->readin_p (objfile)
+         || match_partial_symbol (objfile, ps, global, name, domain,
                                   ordered_compare))
        {
          struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps);
-         struct block *block;
+         const struct block *block;
 
          if (cust == NULL)
            continue;
          block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind);
-         if (map_block (name, domain, objfile, block,
-                        callback, data, match))
-           return;
-         if (callback (block, NULL, data))
+         if (!iterate_over_symbols_terminated (block, name,
+                                               domain, callback))
            return;
        }
     }
@@ -1284,11 +1206,12 @@ psym_map_matching_symbols (struct objfile *objfile,
 
 static bool
 recursively_search_psymtabs
-  (struct partial_symtab *ps, struct objfile *objfile, enum search_domain kind,
+  (struct partial_symtab *ps,
+   struct objfile *objfile,
+   enum search_domain domain,
+   const lookup_name_info &lookup_name,
    gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher)
 {
-  struct partial_symbol **psym;
-  struct partial_symbol **bound, **gbound, **sbound;
   int keep_going = 1;
   enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND;
   int i;
@@ -1307,7 +1230,8 @@ recursively_search_psymtabs
        continue;
 
       r = recursively_search_psymtabs (ps->dependencies[i],
-                                      objfile, kind, sym_matcher);
+                                      objfile, domain, lookup_name,
+                                      sym_matcher);
       if (r != 0)
        {
          ps->searched_flag = PST_SEARCHED_AND_FOUND;
@@ -1315,22 +1239,26 @@ recursively_search_psymtabs
        }
     }
 
-  gbound = (objfile->global_psymbols.list
-           + ps->globals_offset + ps->n_global_syms);
-  sbound = (objfile->static_psymbols.list
-           + ps->statics_offset + ps->n_static_syms);
-  bound = gbound;
+  partial_symbol **gbound
+    = (objfile->partial_symtabs->global_psymbols.data ()
+       + ps->globals_offset + ps->n_global_syms);
+  partial_symbol **sbound
+    = (objfile->partial_symtabs->static_psymbols.data ()
+       + ps->statics_offset + ps->n_static_syms);
+  partial_symbol **bound = gbound;
 
   /* Go through all of the symbols stored in a partial
      symtab in one loop.  */
-  psym = objfile->global_psymbols.list + ps->globals_offset;
+  partial_symbol **psym = (objfile->partial_symtabs->global_psymbols.data ()
+                          + ps->globals_offset);
   while (keep_going)
     {
       if (psym >= bound)
        {
          if (bound == gbound && ps->n_static_syms != 0)
            {
-             psym = objfile->static_psymbols.list + ps->statics_offset;
+             psym = (objfile->partial_symtabs->static_psymbols.data ()
+                     + ps->statics_offset);
              bound = sbound;
            }
          else
@@ -1341,15 +1269,19 @@ recursively_search_psymtabs
        {
          QUIT;
 
-         if ((kind == ALL_DOMAIN
-              || (kind == VARIABLES_DOMAIN
-                  && PSYMBOL_CLASS (*psym) != LOC_TYPEDEF
-                  && PSYMBOL_CLASS (*psym) != LOC_BLOCK)
-              || (kind == FUNCTIONS_DOMAIN
-                  && PSYMBOL_CLASS (*psym) == LOC_BLOCK)
-              || (kind == TYPES_DOMAIN
-                  && PSYMBOL_CLASS (*psym) == LOC_TYPEDEF))
-             && sym_matcher (SYMBOL_SEARCH_NAME (*psym)))
+         if ((domain == ALL_DOMAIN
+              || (domain == MODULES_DOMAIN
+                  && (*psym)->domain == MODULE_DOMAIN)
+              || (domain == VARIABLES_DOMAIN
+                  && (*psym)->aclass != LOC_TYPEDEF
+                  && (*psym)->aclass != LOC_BLOCK)
+              || (domain == FUNCTIONS_DOMAIN
+                  && (*psym)->aclass == LOC_BLOCK)
+              || (domain == TYPES_DOMAIN
+                  && (*psym)->aclass == LOC_TYPEDEF))
+             && psymbol_name_matches (*psym, lookup_name)
+             && (sym_matcher == NULL
+                 || sym_matcher ((*psym)->ginfo.search_name ())))
            {
              /* Found a match, so notify our caller.  */
              result = PST_SEARCHED_AND_FOUND;
@@ -1370,23 +1302,20 @@ static void
 psym_expand_symtabs_matching
   (struct objfile *objfile,
    gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
+   const lookup_name_info *lookup_name,
    gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher,
    gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify,
-   enum search_domain kind)
+   enum search_domain domain)
 {
-  struct partial_symtab *ps;
-
   /* Clear the search flags.  */
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
-    {
-      ps->searched_flag = PST_NOT_SEARCHED;
-    }
+  for (partial_symtab *ps : require_partial_symbols (objfile, true))
+    ps->searched_flag = PST_NOT_SEARCHED;
 
-  ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
+  for (partial_symtab *ps : objfile->psymtabs ())
     {
       QUIT;
 
-      if (ps->readin)
+      if (ps->readin_p (objfile))
        continue;
 
       /* We skip shared psymtabs because file-matching doesn't apply
@@ -1414,7 +1343,10 @@ psym_expand_symtabs_matching
            continue;
        }
 
-      if (recursively_search_psymtabs (ps, objfile, kind, symbol_matcher))
+      if ((symbol_matcher == NULL && lookup_name == NULL)
+         || recursively_search_psymtabs (ps, objfile, domain,
+                                         lookup_name->make_ignore_params (),
+                                         symbol_matcher))
        {
          struct compunit_symtab *symtab =
            psymtab_to_symtab (objfile, ps);
@@ -1431,7 +1363,83 @@ psym_expand_symtabs_matching
 static int
 psym_has_symbols (struct objfile *objfile)
 {
-  return objfile->psymtabs != NULL;
+  return objfile->partial_symtabs->psymtabs != NULL;
+}
+
+/* Helper function for psym_find_compunit_symtab_by_address that fills
+   in psymbol_map for a given range of psymbols.  */
+
+static void
+psym_fill_psymbol_map (struct objfile *objfile,
+                      struct partial_symtab *psymtab,
+                      std::set<CORE_ADDR> *seen_addrs,
+                      const std::vector<partial_symbol *> &symbols,
+                      int start,
+                      int length)
+{
+  for (int i = 0; i < length; ++i)
+    {
+      struct partial_symbol *psym = symbols[start + i];
+
+      if (psym->aclass == LOC_STATIC)
+       {
+         CORE_ADDR addr = psym->address (objfile);
+         if (seen_addrs->find (addr) == seen_addrs->end ())
+           {
+             seen_addrs->insert (addr);
+             objfile->psymbol_map.emplace_back (addr, psymtab);
+           }
+       }
+    }
+}
+
+/* See find_compunit_symtab_by_address in quick_symbol_functions, in
+   symfile.h.  */
+
+static compunit_symtab *
+psym_find_compunit_symtab_by_address (struct objfile *objfile,
+                                     CORE_ADDR address)
+{
+  if (objfile->psymbol_map.empty ())
+    {
+      std::set<CORE_ADDR> seen_addrs;
+
+      for (partial_symtab *pst : require_partial_symbols (objfile, true))
+       {
+         psym_fill_psymbol_map (objfile, pst,
+                                &seen_addrs,
+                                objfile->partial_symtabs->global_psymbols,
+                                pst->globals_offset,
+                                pst->n_global_syms);
+         psym_fill_psymbol_map (objfile, pst,
+                                &seen_addrs,
+                                objfile->partial_symtabs->static_psymbols,
+                                pst->statics_offset,
+                                pst->n_static_syms);
+       }
+
+      objfile->psymbol_map.shrink_to_fit ();
+
+      std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (),
+                [] (const std::pair<CORE_ADDR, partial_symtab *> &a,
+                    const std::pair<CORE_ADDR, partial_symtab *> &b)
+                {
+                  return a.first < b.first;
+                });
+    }
+
+  auto iter = std::lower_bound
+    (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address,
+     [] (const std::pair<CORE_ADDR, partial_symtab *> &a,
+        CORE_ADDR b)
+     {
+       return a.first < b;
+     });
+
+  if (iter == objfile->psymbol_map.end () || iter->first != address)
+    return NULL;
+
+  return psymtab_to_symtab (objfile, iter->second);
 }
 
 const struct quick_symbol_functions psym_functions =
@@ -1441,62 +1449,63 @@ const struct quick_symbol_functions psym_functions =
   psym_forget_cached_source_info,
   psym_map_symtabs_matching_filename,
   psym_lookup_symbol,
+  psym_lookup_global_symbol_language,
   psym_print_stats,
   psym_dump,
-  psym_relocate,
   psym_expand_symtabs_for_function,
   psym_expand_all_symtabs,
   psym_expand_symtabs_with_fullname,
   psym_map_matching_symbols,
   psym_expand_symtabs_matching,
   psym_find_pc_sect_compunit_symtab,
+  psym_find_compunit_symtab_by_address,
   psym_map_symbol_filenames
 };
 
 \f
 
-/* This compares two partial symbols by names, using strcmp_iw_ordered
-   for the comparison.  */
-
-static int
-compare_psymbols (const void *s1p, const void *s2p)
-{
-  struct partial_symbol *const *s1 = (struct partial_symbol * const*) s1p;
-  struct partial_symbol *const *s2 = (struct partial_symbol * const*) s2p;
-
-  return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1),
-                           SYMBOL_SEARCH_NAME (*s2));
-}
-
 static void
 sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst)
 {
   /* Sort the global list; don't sort the static list.  */
+  auto begin = objfile->partial_symtabs->global_psymbols.begin ();
+  std::advance (begin, pst->globals_offset);
 
-  qsort (objfile->global_psymbols.list + pst->globals_offset,
-        pst->n_global_syms, sizeof (struct partial_symbol *),
-        compare_psymbols);
-}
+  /* The psymbols for this partial_symtab are currently at the end of the
+     vector.  */
+  auto end = objfile->partial_symtabs->global_psymbols.end ();
 
-/* Allocate and partially fill a partial symtab.  It will be
-   completely filled at the end of the symbol list.
+  std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2)
+    {
+      return strcmp_iw_ordered (s1->ginfo.search_name (),
+                               s2->ginfo.search_name ()) < 0;
+    });
+}
 
-   FILENAME is the name of the symbol-file we are reading from.  */
+/* Partially fill a partial symtab.  It will be completely filled at
+   the end of the symbol list.  */
 
-struct partial_symtab *
-start_psymtab_common (struct objfile *objfile,
-                     const char *filename,
-                     CORE_ADDR textlow, struct partial_symbol **global_syms,
-                     struct partial_symbol **static_syms)
+partial_symtab::partial_symtab (const char *filename,
+                               struct objfile *objfile,
+                               CORE_ADDR textlow)
+  : partial_symtab (filename, objfile)
 {
-  struct partial_symtab *psymtab;
+  set_text_low (textlow);
+  set_text_high (raw_text_low ()); /* default */
 
-  psymtab = allocate_psymtab (filename, objfile);
-  psymtab->textlow = textlow;
-  psymtab->texthigh = psymtab->textlow;                /* default */
-  psymtab->globals_offset = global_syms - objfile->global_psymbols.list;
-  psymtab->statics_offset = static_syms - objfile->static_psymbols.list;
-  return psymtab;
+  auto *v1 = new std::vector<partial_symbol *>;
+  objfile->partial_symtabs->current_global_psymbols.push_back (v1);
+  auto *v2 = new std::vector<partial_symbol *>;
+  objfile->partial_symtabs->current_static_psymbols.push_back (v2);
+}
+
+/* Concat vectors V1 and V2.  */
+
+static void
+concat (std::vector<partial_symbol *> *v1, std::vector<partial_symbol *> *v2)
+{
+  v1->insert (v1->end (), v2->begin (), v2->end ());
+  v2->clear ();
 }
 
 /* Perform "finishing up" operations of a partial symtab.  */
@@ -1504,12 +1513,26 @@ start_psymtab_common (struct objfile *objfile,
 void
 end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst)
 {
+  pst->globals_offset = objfile->partial_symtabs->global_psymbols.size ();
+  pst->statics_offset = objfile->partial_symtabs->static_psymbols.size ();
+
+  auto *current_global_psymbols
+    = objfile->partial_symtabs->current_global_psymbols.back ();
+  auto *current_static_psymbols
+    = objfile->partial_symtabs->current_static_psymbols.back ();
+  objfile->partial_symtabs->current_global_psymbols.pop_back ();
+  objfile->partial_symtabs->current_static_psymbols.pop_back ();
+
   pst->n_global_syms
-    = objfile->global_psymbols.next - (objfile->global_psymbols.list
-                                      + pst->globals_offset);
+    = current_global_psymbols->size ();
   pst->n_static_syms
-    = objfile->static_psymbols.next - (objfile->static_psymbols.list
-                                      + pst->statics_offset);
+    = current_static_psymbols->size ();
+
+  concat (&objfile->partial_symtabs->global_psymbols, current_global_psymbols);
+  concat (&objfile->partial_symtabs->static_psymbols, current_static_psymbols);
+
+  delete current_global_psymbols;
+  delete current_static_psymbols;
 
   sort_pst_symbols (objfile, pst);
 }
@@ -1524,15 +1547,17 @@ psymbol_hash (const void *addr, int length)
 {
   unsigned long h = 0;
   struct partial_symbol *psymbol = (struct partial_symbol *) addr;
-  unsigned int lang = psymbol->ginfo.language;
-  unsigned int domain = PSYMBOL_DOMAIN (psymbol);
-  unsigned int theclass = PSYMBOL_CLASS (psymbol);
-
-  h = hash_continue (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h);
-  h = hash_continue (&lang, sizeof (unsigned int), h);
-  h = hash_continue (&domain, sizeof (unsigned int), h);
-  h = hash_continue (&theclass, sizeof (unsigned int), h);
-  h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h);
+  unsigned int lang = psymbol->ginfo.language ();
+  unsigned int domain = psymbol->domain;
+  unsigned int theclass = psymbol->aclass;
+
+  h = fast_hash (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h);
+  h = fast_hash (&lang, sizeof (unsigned int), h);
+  h = fast_hash (&domain, sizeof (unsigned int), h);
+  h = fast_hash (&theclass, sizeof (unsigned int), h);
+  /* Note that psymbol names are interned via compute_and_set_names, so
+     there's no need to hash the contents of the name here.  */
+  h = fast_hash (&psymbol->ginfo.m_name, sizeof (psymbol->ginfo.m_name), h);
 
   return h;
 }
@@ -1549,56 +1574,13 @@ psymbol_compare (const void *addr1, const void *addr2, int length)
 
   return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value,
                   sizeof (sym1->ginfo.value)) == 0
-         && sym1->ginfo.language == sym2->ginfo.language
-          && PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2)
-          && PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2)
-          && sym1->ginfo.name == sym2->ginfo.name);
-}
-
-/* Initialize a partial symbol bcache.  */
-
-struct psymbol_bcache *
-psymbol_bcache_init (void)
-{
-  struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache);
-
-  bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare);
-  return bcache;
-}
-
-/* Free a partial symbol bcache.  */
-
-void
-psymbol_bcache_free (struct psymbol_bcache *bcache)
-{
-  if (bcache == NULL)
-    return;
-
-  bcache_xfree (bcache->bcache);
-  xfree (bcache);
-}
-
-/* Return the internal bcache of the psymbol_bcache BCACHE.  */
-
-struct bcache *
-psymbol_bcache_get_bcache (struct psymbol_bcache *bcache)
-{
-  return bcache->bcache;
-}
-
-/* Find a copy of the SYM in BCACHE.  If BCACHE has never seen this
-   symbol before, add a copy to BCACHE.  In either case, return a pointer
-   to BCACHE's copy of the symbol.  If optional ADDED is not NULL, return
-   1 in case of new entry or 0 if returning an old entry.  */
-
-static const struct partial_symbol *
-psymbol_bcache_full (struct partial_symbol *sym,
-                     struct psymbol_bcache *bcache,
-                     int *added)
-{
-  return ((const struct partial_symbol *)
-         bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache,
-                      added));
+         && sym1->ginfo.language () == sym2->ginfo.language ()
+          && sym1->domain == sym2->domain
+          && sym1->aclass == sym2->aclass
+         /* Note that psymbol names are interned via
+            compute_and_set_names, so there's no need to compare the
+            contents of the name here.  */
+          && sym1->ginfo.linkage_name () == sym2->ginfo.linkage_name ());
 }
 
 /* Helper function, initialises partial symbol structure and stashes
@@ -1607,165 +1589,105 @@ psymbol_bcache_full (struct partial_symbol *sym,
    structure.  In other words, having two symbols with the same name but
    different domain (or address) is possible and correct.  */
 
-static const struct partial_symbol *
-add_psymbol_to_bcache (const char *name, int namelength, int copy_name,
-                      domain_enum domain,
-                      enum address_class theclass,
-                      CORE_ADDR coreaddr,
-                      enum language language, struct objfile *objfile,
+static struct partial_symbol *
+add_psymbol_to_bcache (const partial_symbol &psymbol,
+                      struct objfile *objfile,
                       int *added)
 {
-  struct partial_symbol psymbol;
-
-  /* We must ensure that the entire struct has been zeroed before
-     assigning to it, because an assignment may not touch some of the
-     holes.  */
-  memset (&psymbol, 0, sizeof (psymbol));
-
-  SYMBOL_VALUE_ADDRESS (&psymbol) = coreaddr;
-  SYMBOL_SECTION (&psymbol) = -1;
-  SYMBOL_SET_LANGUAGE (&psymbol, language, &objfile->objfile_obstack);
-  PSYMBOL_DOMAIN (&psymbol) = domain;
-  PSYMBOL_CLASS (&psymbol) = theclass;
-
-  SYMBOL_SET_NAMES (&psymbol, name, namelength, copy_name, objfile);
-
   /* Stash the partial symbol away in the cache.  */
-  return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added);
-}
-
-/* Increase the space allocated for LISTP, which is probably
-   global_psymbols or static_psymbols.  This space will eventually
-   be freed in free_objfile().  */
-
-static void
-extend_psymbol_list (struct psymbol_allocation_list *listp,
-                    struct objfile *objfile)
-{
-  int new_size;
-
-  if (listp->size == 0)
-    {
-      new_size = 255;
-      listp->list = XNEWVEC (struct partial_symbol *, new_size);
-    }
-  else
-    {
-      new_size = listp->size * 2;
-      listp->list = (struct partial_symbol **)
-       xrealloc ((char *) listp->list,
-                 new_size * sizeof (struct partial_symbol *));
-    }
-  /* Next assumes we only went one over.  Should be good if
-     program works correctly.  */
-  listp->next = listp->list + listp->size;
-  listp->size = new_size;
+  return ((struct partial_symbol *)
+         objfile->partial_symtabs->psymbol_cache.insert
+         (&psymbol, sizeof (struct partial_symbol), added));
 }
 
 /* Helper function, adds partial symbol to the given partial symbol list.  */
 
 static void
-append_psymbol_to_list (struct psymbol_allocation_list *list,
-                       const struct partial_symbol *psym,
+append_psymbol_to_list (std::vector<partial_symbol *> *list,
+                       struct partial_symbol *psym,
                        struct objfile *objfile)
 {
-  if (list->next >= list->list + list->size)
-    extend_psymbol_list (list, objfile);
-  *list->next++ = (struct partial_symbol *) psym;
+  list->push_back (psym);
   OBJSTAT (objfile, n_psyms++);
 }
 
-/* Add a symbol with a long value to a psymtab.
-   Since one arg is a struct, we pass in a ptr and deref it (sigh).
-   The only value we need to store for psyms is an address.
-   For all other psyms pass zero for COREADDR.
-   Return the partial symbol that has been added.  */
+/* See psympriv.h.  */
 
 void
-add_psymbol_to_list (const char *name, int namelength, int copy_name,
-                    domain_enum domain,
-                    enum address_class theclass,
-                    struct psymbol_allocation_list *list,
-                    CORE_ADDR coreaddr,
-                    enum language language, struct objfile *objfile)
+add_psymbol_to_list (const partial_symbol &psymbol,
+                    psymbol_placement where,
+                    struct objfile *objfile)
 {
-  const struct partial_symbol *psym;
+  struct partial_symbol *psym;
 
   int added;
 
   /* Stash the partial symbol away in the cache.  */
-  psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass,
-                               coreaddr, language, objfile, &added);
+  psym = add_psymbol_to_bcache (psymbol, objfile, &added);
 
   /* Do not duplicate global partial symbols.  */
-  if (list == &objfile->global_psymbols
-      && !added)
+  if (where == psymbol_placement::GLOBAL && !added)
     return;
 
   /* Save pointer to partial symbol in psymtab, growing symtab if needed.  */
+  std::vector<partial_symbol *> *list
+    = (where == psymbol_placement::STATIC
+       ? objfile->partial_symtabs->current_static_psymbols.back ()
+       : objfile->partial_symtabs->current_global_psymbols.back ());
   append_psymbol_to_list (list, psym, objfile);
 }
 
-/* Initialize storage for partial symbols.  */
+/* See psympriv.h.  */
 
 void
-init_psymbol_list (struct objfile *objfile, int total_symbols)
+add_psymbol_to_list (gdb::string_view name, bool copy_name,
+                    domain_enum domain,
+                    enum address_class theclass,
+                    short section,
+                    psymbol_placement where,
+                    CORE_ADDR coreaddr,
+                    enum language language, struct objfile *objfile)
 {
-  /* Free any previously allocated psymbol lists.  */
-
-  if (objfile->global_psymbols.list)
-    xfree (objfile->global_psymbols.list);
-  if (objfile->static_psymbols.list)
-    xfree (objfile->static_psymbols.list);
-
-  /* Current best guess is that approximately a twentieth
-     of the total symbols (in a debugging file) are global or static
-     oriented symbols, then multiply that by slop factor of two.  */
+  struct partial_symbol psymbol;
+  memset (&psymbol, 0, sizeof (psymbol));
 
-  objfile->global_psymbols.size = total_symbols / 10;
-  objfile->static_psymbols.size = total_symbols / 10;
+  psymbol.set_unrelocated_address (coreaddr);
+  psymbol.ginfo.section = section;
+  psymbol.domain = domain;
+  psymbol.aclass = theclass;
+  psymbol.ginfo.set_language (language, objfile->partial_symtabs->obstack ());
+  psymbol.ginfo.compute_and_set_names (name, copy_name, objfile->per_bfd);
 
-  if (objfile->global_psymbols.size > 0)
-    {
-      objfile->global_psymbols.next =
-       objfile->global_psymbols.list =
-         XNEWVEC (struct partial_symbol *, objfile->global_psymbols.size);
-    }
-  if (objfile->static_psymbols.size > 0)
-    {
-      objfile->static_psymbols.next =
-       objfile->static_psymbols.list =
-         XNEWVEC (struct partial_symbol *, objfile->static_psymbols.size);
-    }
+  add_psymbol_to_list (psymbol, where, objfile);
 }
 
-struct partial_symtab *
-allocate_psymtab (const char *filename, struct objfile *objfile)
-{
-  struct partial_symtab *psymtab;
+/* See psympriv.h.  */
 
-  if (objfile->free_psymtabs)
+void
+init_psymbol_list (struct objfile *objfile, int total_symbols)
+{
+  if (objfile->partial_symtabs->global_psymbols.capacity () == 0
+      && objfile->partial_symtabs->static_psymbols.capacity () == 0)
     {
-      psymtab = objfile->free_psymtabs;
-      objfile->free_psymtabs = psymtab->next;
+      /* Current best guess is that approximately a twentieth of the
+        total symbols (in a debugging file) are global or static
+        oriented symbols, then multiply that by slop factor of
+        two.  */
+      objfile->partial_symtabs->global_psymbols.reserve (total_symbols / 10);
+      objfile->partial_symtabs->static_psymbols.reserve (total_symbols / 10);
     }
-  else
-    psymtab = (struct partial_symtab *)
-      obstack_alloc (&objfile->objfile_obstack,
-                    sizeof (struct partial_symtab));
+}
 
-  memset (psymtab, 0, sizeof (struct partial_symtab));
-  psymtab->filename
-    = (const char *) bcache (filename, strlen (filename) + 1,
-                            objfile->per_bfd->filename_cache);
-  psymtab->compunit_symtab = NULL;
+/* See psympriv.h.  */
 
-  /* Prepend it to the psymtab list for the objfile it belongs to.
-     Psymtabs are searched in most recent inserted -> least recent
-     inserted order.  */
+partial_symtab::partial_symtab (const char *filename_, struct objfile *objfile)
+  : searched_flag (PST_NOT_SEARCHED),
+    text_low_valid (0),
+    text_high_valid (0)
+{
+  objfile->partial_symtabs->install_psymtab (this);
 
-  psymtab->next = objfile->psymtabs;
-  objfile->psymtabs = psymtab;
+  filename = objfile->intern (filename_);
 
   if (symtab_create_debug)
     {
@@ -1778,20 +1700,45 @@ allocate_psymtab (const char *filename, struct objfile *objfile)
        {
          xfree (last_objfile_name);
          last_objfile_name = xstrdup (objfile_name (objfile));
-         fprintf_unfiltered (gdb_stdlog,
-                             "Creating one or more psymtabs for objfile %s ...\n",
-                             last_objfile_name);
+         fprintf_filtered (gdb_stdlog,
+                           "Creating one or more psymtabs for objfile %s ...\n",
+                           last_objfile_name);
        }
-      fprintf_unfiltered (gdb_stdlog,
-                         "Created psymtab %s for module %s.\n",
-                         host_address_to_string (psymtab), filename);
+      fprintf_filtered (gdb_stdlog,
+                       "Created psymtab %s for module %s.\n",
+                       host_address_to_string (this), filename);
     }
+}
 
-  return psymtab;
+/* See psympriv.h.  */
+
+void
+partial_symtab::expand_dependencies (struct objfile *objfile)
+{
+  for (int i = 0; i < number_of_dependencies; ++i)
+    {
+      if (!dependencies[i]->readin_p (objfile)
+         && dependencies[i]->user == NULL)
+       {
+         /* Inform about additional files to be read in.  */
+         if (info_verbose)
+           {
+             fputs_filtered (" ", gdb_stdout);
+             wrap_here ("");
+             fputs_filtered ("and ", gdb_stdout);
+             wrap_here ("");
+             printf_filtered ("%s...", dependencies[i]->filename);
+             wrap_here ("");   /* Flush output */
+             gdb_flush (gdb_stdout);
+           }
+         dependencies[i]->expand_psymtab (objfile);
+       }
+    }
 }
 
+
 void
-discard_psymtab (struct objfile *objfile, struct partial_symtab *pst)
+psymtab_storage::discard_psymtab (struct partial_symtab *pst)
 {
   struct partial_symtab **prev_pst;
 
@@ -1804,15 +1751,11 @@ discard_psymtab (struct objfile *objfile, struct partial_symtab *pst)
 
   /* First, snip it out of the psymtab chain.  */
 
-  prev_pst = &(objfile->psymtabs);
+  prev_pst = &psymtabs;
   while ((*prev_pst) != pst)
     prev_pst = &((*prev_pst)->next);
   (*prev_pst) = pst->next;
-
-  /* Next, put it on a free list for recycling.  */
-
-  pst->next = objfile->free_psymtabs;
-  objfile->free_psymtabs = pst;
+  delete pst;
 }
 
 \f
@@ -1839,7 +1782,7 @@ dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj)
 {
   struct dump_psymtab_addrmap_data *data
     = (struct dump_psymtab_addrmap_data *) datap;
-  struct gdbarch *gdbarch = get_objfile_arch (data->objfile);
+  struct gdbarch *gdbarch = data->objfile->arch ();
   struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj;
   const char *psymtab_address_or_end = NULL;
 
@@ -1878,7 +1821,7 @@ dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab,
 
   if ((psymtab == NULL
        || psymtab->psymtabs_addrmap_supported)
-      && objfile->psymtabs_addrmap != NULL)
+      && objfile->partial_symtabs->psymtabs_addrmap != NULL)
     {
       addrmap_dump_data.objfile = objfile;
       addrmap_dump_data.psymtab = psymtab;
@@ -1886,18 +1829,16 @@ dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab,
       addrmap_dump_data.previous_matched = 0;
       fprintf_filtered (outfile, "%sddress map:\n",
                        psymtab == NULL ? "Entire a" : "  A");
-      addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1,
-                      &addrmap_dump_data);
+      addrmap_foreach (objfile->partial_symtabs->psymtabs_addrmap,
+                      dump_psymtab_addrmap_1, &addrmap_dump_data);
     }
 }
 
 static void
-maintenance_print_psymbols (char *args, int from_tty)
+maintenance_print_psymbols (const char *args, int from_tty)
 {
   struct ui_file *outfile = gdb_stdout;
   char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL;
-  struct objfile *objfile;
-  struct partial_symtab *ps;
   int i, outfile_idx, found;
   CORE_ADDR pc = 0;
   struct obj_section *section = NULL;
@@ -1966,7 +1907,7 @@ maintenance_print_psymbols (char *args, int from_tty)
     }
 
   found = 0;
-  ALL_OBJFILES (objfile)
+  for (objfile *objfile : current_program_space->objfiles ())
     {
       int printed_objfile_header = 0;
       int print_for_objfile = 1;
@@ -1985,7 +1926,8 @@ maintenance_print_psymbols (char *args, int from_tty)
 
          /* We don't assume each pc has a unique objfile (this is for
             debugging).  */
-         ps = find_pc_sect_psymtab (objfile, pc, section, msymbol);
+         struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc,
+                                                           section, msymbol);
          if (ps != NULL)
            {
              if (!printed_objfile_header)
@@ -2001,7 +1943,7 @@ maintenance_print_psymbols (char *args, int from_tty)
        }
       else
        {
-         ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
+         for (partial_symtab *ps : require_partial_symbols (objfile, true))
            {
              int print_for_source = 0;
 
@@ -2031,7 +1973,7 @@ maintenance_print_psymbols (char *args, int from_tty)
 
       if (address_arg == NULL
          && source_arg == NULL
-         && objfile->psymtabs_addrmap != NULL)
+         && objfile->partial_symtabs->psymtabs_addrmap != NULL)
        {
          outfile->puts ("\n");
          dump_psymtab_addrmap (objfile, NULL, outfile);
@@ -2050,212 +1992,227 @@ maintenance_print_psymbols (char *args, int from_tty)
 /* List all the partial symbol tables whose names match REGEXP (optional).  */
 
 static void
-maintenance_info_psymtabs (char *regexp, int from_tty)
+maintenance_info_psymtabs (const char *regexp, int from_tty)
 {
-  struct program_space *pspace;
-  struct objfile *objfile;
-
   if (regexp)
     re_comp (regexp);
 
-  ALL_PSPACES (pspace)
-    ALL_PSPACE_OBJFILES (pspace, objfile)
-    {
-      struct gdbarch *gdbarch = get_objfile_arch (objfile);
-      struct partial_symtab *psymtab;
-
-      /* We don't want to print anything for this objfile until we
-         actually find a symtab whose name matches.  */
-      int printed_objfile_start = 0;
-
-      ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab)
-       {
-         QUIT;
-
-         if (! regexp
-             || re_exec (psymtab->filename))
-           {
-             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 ("  { psymtab %s ", psymtab->filename);
-             wrap_here ("    ");
-             printf_filtered ("((struct partial_symtab *) %s)\n",
-                              host_address_to_string (psymtab));
-
-             printf_filtered ("    readin %s\n",
-                              psymtab->readin ? "yes" : "no");
-             printf_filtered ("    fullname %s\n",
-                              psymtab->fullname
-                              ? psymtab->fullname : "(null)");
-             printf_filtered ("    text addresses ");
-             fputs_filtered (paddress (gdbarch, psymtab->textlow),
-                             gdb_stdout);
-             printf_filtered (" -- ");
-             fputs_filtered (paddress (gdbarch, psymtab->texthigh),
-                             gdb_stdout);
-             printf_filtered ("\n");
-             printf_filtered ("    psymtabs_addrmap_supported %s\n",
-                              (psymtab->psymtabs_addrmap_supported
-                               ? "yes" : "no"));
-             printf_filtered ("    globals ");
-             if (psymtab->n_global_syms)
-               {
-                 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
-                                  host_address_to_string (objfile->global_psymbols.list
-                                   + psymtab->globals_offset),
-                                  psymtab->n_global_syms);
-               }
-             else
-               printf_filtered ("(none)\n");
-             printf_filtered ("    statics ");
-             if (psymtab->n_static_syms)
-               {
-                 printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n",
-                                  host_address_to_string (objfile->static_psymbols.list
-                                   + psymtab->statics_offset),
-                                  psymtab->n_static_syms);
-               }
-             else
-               printf_filtered ("(none)\n");
-             printf_filtered ("    dependencies ");
-             if (psymtab->number_of_dependencies)
-               {
-                 int i;
+  for (struct program_space *pspace : program_spaces)
+    for (objfile *objfile : pspace->objfiles ())
+      {
+       struct gdbarch *gdbarch = objfile->arch ();
 
-                 printf_filtered ("{\n");
-                 for (i = 0; i < psymtab->number_of_dependencies; i++)
-                   {
-                     struct partial_symtab *dep = psymtab->dependencies[i];
+       /* We don't want to print anything for this objfile until we
+          actually find a symtab whose name matches.  */
+       int printed_objfile_start = 0;
 
-                     /* Note the string concatenation there --- no comma.  */
-                     printf_filtered ("      psymtab %s "
-                                      "((struct partial_symtab *) %s)\n",
-                                      dep->filename,
-                                      host_address_to_string (dep));
-                   }
-                 printf_filtered ("    }\n");
-               }
-             else
-               printf_filtered ("(none)\n");
-             printf_filtered ("  }\n");
-           }
-       }
+       for (partial_symtab *psymtab : require_partial_symbols (objfile, true))
+         {
+           QUIT;
+
+           if (! regexp
+               || re_exec (psymtab->filename))
+             {
+               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 ("  { psymtab %s ", psymtab->filename);
+               wrap_here ("    ");
+               printf_filtered ("((struct partial_symtab *) %s)\n",
+                                host_address_to_string (psymtab));
+
+               printf_filtered ("    readin %s\n",
+                                psymtab->readin_p (objfile) ? "yes" : "no");
+               printf_filtered ("    fullname %s\n",
+                                psymtab->fullname
+                                ? psymtab->fullname : "(null)");
+               printf_filtered ("    text addresses ");
+               fputs_filtered (paddress (gdbarch,
+                                         psymtab->text_low (objfile)),
+                               gdb_stdout);
+               printf_filtered (" -- ");
+               fputs_filtered (paddress (gdbarch,
+                                         psymtab->text_high (objfile)),
+                               gdb_stdout);
+               printf_filtered ("\n");
+               printf_filtered ("    psymtabs_addrmap_supported %s\n",
+                                (psymtab->psymtabs_addrmap_supported
+                                 ? "yes" : "no"));
+               printf_filtered ("    globals ");
+               if (psymtab->n_global_syms)
+                 {
+                   auto p = &(objfile->partial_symtabs
+                              ->global_psymbols[psymtab->globals_offset]);
+
+                   printf_filtered
+                     ("(* (struct partial_symbol **) %s @ %d)\n",
+                      host_address_to_string (p),
+                      psymtab->n_global_syms);
+                 }
+               else
+                 printf_filtered ("(none)\n");
+               printf_filtered ("    statics ");
+               if (psymtab->n_static_syms)
+                 {
+                   auto p = &(objfile->partial_symtabs
+                              ->static_psymbols[psymtab->statics_offset]);
+
+                   printf_filtered
+                     ("(* (struct partial_symbol **) %s @ %d)\n",
+                      host_address_to_string (p),
+                      psymtab->n_static_syms);
+                 }
+               else
+                 printf_filtered ("(none)\n");
+               if (psymtab->user)
+                 printf_filtered ("    user %s "
+                                  "((struct partial_symtab *) %s)\n",
+                                  psymtab->user->filename,
+                                  host_address_to_string (psymtab->user));
+               printf_filtered ("    dependencies ");
+               if (psymtab->number_of_dependencies)
+                 {
+                   int i;
+
+                   printf_filtered ("{\n");
+                   for (i = 0; i < psymtab->number_of_dependencies; i++)
+                     {
+                       struct partial_symtab *dep = psymtab->dependencies[i];
+
+                       /* Note the string concatenation there --- no
+                          comma.  */
+                       printf_filtered ("      psymtab %s "
+                                        "((struct partial_symtab *) %s)\n",
+                                        dep->filename,
+                                        host_address_to_string (dep));
+                     }
+                   printf_filtered ("    }\n");
+                 }
+               else
+                 printf_filtered ("(none)\n");
+               printf_filtered ("  }\n");
+             }
+         }
 
-      if (printed_objfile_start)
-        printf_filtered ("}\n");
-    }
+       if (printed_objfile_start)
+         printf_filtered ("}\n");
+      }
 }
 
 /* Check consistency of currently expanded psymtabs vs symtabs.  */
 
 static void
-maintenance_check_psymtabs (char *ignore, int from_tty)
+maintenance_check_psymtabs (const char *ignore, int from_tty)
 {
   struct symbol *sym;
-  struct partial_symbol **psym;
   struct compunit_symtab *cust = NULL;
-  struct partial_symtab *ps;
   const struct blockvector *bv;
-  struct objfile *objfile;
-  struct block *b;
-  int length;
-
-  ALL_PSYMTABS (objfile, ps)
-  {
-    struct gdbarch *gdbarch = get_objfile_arch (objfile);
-
-    /* We don't call psymtab_to_symtab here because that may cause symtab
-       expansion.  When debugging a problem it helps if checkers leave
-       things unchanged.  */
-    cust = ps->compunit_symtab;
+  const struct block *b;
+  int i;
 
-    /* First do some checks that don't require the associated symtab.  */
-    if (ps->texthigh < ps->textlow)
+  for (objfile *objfile : current_program_space->objfiles ())
+    for (partial_symtab *ps : require_partial_symbols (objfile, true))
       {
-       printf_filtered ("Psymtab ");
-       puts_filtered (ps->filename);
-       printf_filtered (" covers bad range ");
-       fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
-       printf_filtered (" - ");
-       fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
-       printf_filtered ("\n");
-       continue;
-      }
+       struct gdbarch *gdbarch = objfile->arch ();
 
-    /* Now do checks requiring the associated symtab.  */
-    if (cust == NULL)
-      continue;
-    bv = COMPUNIT_BLOCKVECTOR (cust);
-    b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
-    psym = objfile->static_psymbols.list + ps->statics_offset;
-    length = ps->n_static_syms;
-    while (length--)
-      {
-       sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
-                                  SYMBOL_DOMAIN (*psym));
-       if (!sym)
+       /* We don't call psymtab_to_symtab here because that may cause symtab
+          expansion.  When debugging a problem it helps if checkers leave
+          things unchanged.  */
+       cust = ps->get_compunit_symtab (objfile);
+
+       /* First do some checks that don't require the associated symtab.  */
+       if (ps->text_high (objfile) < ps->text_low (objfile))
          {
-           printf_filtered ("Static symbol `");
-           puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
-           printf_filtered ("' only found in ");
+           printf_filtered ("Psymtab ");
            puts_filtered (ps->filename);
-           printf_filtered (" psymtab\n");
+           printf_filtered (" covers bad range ");
+           fputs_filtered (paddress (gdbarch, ps->text_low (objfile)),
+                           gdb_stdout);
+           printf_filtered (" - ");
+           fputs_filtered (paddress (gdbarch, ps->text_high (objfile)),
+                           gdb_stdout);
+           printf_filtered ("\n");
+           continue;
          }
-       psym++;
-      }
-    b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
-    psym = objfile->global_psymbols.list + ps->globals_offset;
-    length = ps->n_global_syms;
-    while (length--)
-      {
-       sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
-                                  SYMBOL_DOMAIN (*psym));
-       if (!sym)
+
+       /* Now do checks requiring the associated symtab.  */
+       if (cust == NULL)
+         continue;
+       bv = COMPUNIT_BLOCKVECTOR (cust);
+       b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+       partial_symbol **psym
+         = &objfile->partial_symtabs->static_psymbols[ps->statics_offset];
+       for (i = 0; i < ps->n_static_syms; psym++, i++)
+         {
+           /* Skip symbols for inlined functions without address.  These may
+              or may not have a match in the full symtab.  */
+           if ((*psym)->aclass == LOC_BLOCK
+               && (*psym)->ginfo.value.address == 0)
+             continue;
+
+           sym = block_lookup_symbol (b, (*psym)->ginfo.search_name (),
+                                      symbol_name_match_type::SEARCH_NAME,
+                                      (*psym)->domain);
+           if (!sym)
+             {
+               printf_filtered ("Static symbol `");
+               puts_filtered ((*psym)->ginfo.linkage_name ());
+               printf_filtered ("' only found in ");
+               puts_filtered (ps->filename);
+               printf_filtered (" psymtab\n");
+             }
+         }
+       b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
+       psym = &objfile->partial_symtabs->global_psymbols[ps->globals_offset];
+       for (i = 0; i < ps->n_global_syms; psym++, i++)
+         {
+           sym = block_lookup_symbol (b, (*psym)->ginfo.search_name (),
+                                      symbol_name_match_type::SEARCH_NAME,
+                                      (*psym)->domain);
+           if (!sym)
+             {
+               printf_filtered ("Global symbol `");
+               puts_filtered ((*psym)->ginfo.linkage_name ());
+               printf_filtered ("' only found in ");
+               puts_filtered (ps->filename);
+               printf_filtered (" psymtab\n");
+             }
+         }
+       if (ps->raw_text_high () != 0
+           && (ps->text_low (objfile) < BLOCK_START (b)
+               || ps->text_high (objfile) > BLOCK_END (b)))
          {
-           printf_filtered ("Global symbol `");
-           puts_filtered (SYMBOL_LINKAGE_NAME (*psym));
-           printf_filtered ("' only found in ");
+           printf_filtered ("Psymtab ");
            puts_filtered (ps->filename);
-           printf_filtered (" psymtab\n");
+           printf_filtered (" covers ");
+           fputs_filtered (paddress (gdbarch, ps->text_low (objfile)),
+                           gdb_stdout);
+           printf_filtered (" - ");
+           fputs_filtered (paddress (gdbarch, ps->text_high (objfile)),
+                           gdb_stdout);
+           printf_filtered (" but symtab covers only ");
+           fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout);
+           printf_filtered (" - ");
+           fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout);
+           printf_filtered ("\n");
          }
-       psym++;
       }
-    if (ps->texthigh != 0
-       && (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b)))
-      {
-       printf_filtered ("Psymtab ");
-       puts_filtered (ps->filename);
-       printf_filtered (" covers ");
-       fputs_filtered (paddress (gdbarch, ps->textlow), gdb_stdout);
-       printf_filtered (" - ");
-       fputs_filtered (paddress (gdbarch, ps->texthigh), gdb_stdout);
-       printf_filtered (" but symtab covers only ");
-       fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout);
-       printf_filtered (" - ");
-       fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout);
-       printf_filtered ("\n");
-      }
-  }
 }
 
-\f
-
-extern initialize_file_ftype _initialize_psymtab;
-
+void _initialize_psymtab ();
 void
-_initialize_psymtab (void)
+_initialize_psymtab ()
 {
   add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\
 Print dump of current partial symbol definitions.\n\
-Usage: mt print psymbols [-objfile objfile] [-pc address] [--] [outfile]\n\
-       mt print psymbols [-objfile objfile] [-source source] [--] [outfile]\n\
+Usage: mt print psymbols [-objfile OBJFILE] [-pc ADDRESS] [--] [OUTFILE]\n\
+       mt print psymbols [-objfile OBJFILE] [-source SOURCE] [--] [OUTFILE]\n\
 Entries in the partial 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\
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