diff --git a/gdb/objfiles.h b/gdb/objfiles.h
index a0dc69b..af70715 100644
--- a/gdb/objfiles.h
+++ b/gdb/objfiles.h
@@ -75,7 +75,7 @@ struct objfile_data;
    process startup code.  Since we have no guarantee that the linked
    in startup modules have any debugging information that gdb can use,
    we need to avoid following frame pointers back into frames that might
-   have been built in the startup code, as we might get hopelessly 
+   have been built in the startup code, as we might get hopelessly
    confused.  However, we almost always have debugging information
    available for main().
 
@@ -99,33 +99,34 @@ struct objfile_data;
    from user code don't go wandering off into the startup code.  */
 
 struct entry_info
-  {
-    /* The unrelocated value we should use for this objfile entry point.  */
-    CORE_ADDR entry_point;
+{
+  /* The unrelocated value we should use for this objfile entry point.  */
+  CORE_ADDR entry_point;
 
-    /* The index of the section in which the entry point appears.  */
-    int the_bfd_section_index;
+  /* The index of the section in which the entry point appears.  */
+  int the_bfd_section_index;
 
-    /* Set to 1 iff ENTRY_POINT contains a valid value.  */
-    unsigned entry_point_p : 1;
+  /* Set to 1 iff ENTRY_POINT contains a valid value.  */
+  unsigned entry_point_p : 1;
 
-    /* Set to 1 iff this object was initialized.  */
-    unsigned initialized : 1;
-  };
+  /* Set to 1 iff this object was initialized.  */
+  unsigned initialized : 1;
+};
 
 /* Sections in an objfile.  The section offsets are stored in the
    OBJFILE.  */
 
 struct obj_section
-  {
-    struct bfd_section *the_bfd_section;	/* BFD section pointer */
+{
+  /* BFD section pointer */
+  struct bfd_section *the_bfd_section;
 
-    /* Objfile this section is part of.  */
-    struct objfile *objfile;
+  /* Objfile this section is part of.  */
+  struct objfile *objfile;
 
-    /* True if this "overlay section" is mapped into an "overlay region".  */
-    int ovly_mapped;
-  };
+  /* True if this "overlay section" is mapped into an "overlay region".  */
+  int ovly_mapped;
+};
 
 /* Relocation offset applied to S.  */
 #define obj_section_offset(s)						\
@@ -149,13 +150,22 @@ struct obj_section
    read, size of string table (if any), etc.  */
 
 struct objstats
-  {
-    int n_psyms;		/* Number of partial symbols read */
-    int n_syms;			/* Number of full symbols read */
-    int n_stabs;		/* Number of ".stabs" read (if applicable) */
-    int n_types;		/* Number of types */
-    int sz_strtab;		/* Size of stringtable, (if applicable) */
-  };
+{
+  /* Number of partial symbols read.  */
+  int n_psyms;
+
+  /* Number of full symbols read.  */
+  int n_syms;
+
+  /* Number of ".stabs" read (if applicable).  */
+  int n_stabs;
+
+  /* Number of types.  */
+  int n_types;
+
+  /* Size of stringtable, (if applicable).  */
+  int sz_strtab;
+};
 
 #define OBJSTAT(objfile, expr) (objfile -> stats.expr)
 #define OBJSTATS struct objstats stats
@@ -175,12 +185,13 @@ struct objfile_per_bfd_storage
   /* The storage has an obstack of its own.  */
 
   struct obstack storage_obstack;
-  
+
   /* Byte cache for file names.  */
 
   struct bcache *filename_cache;
 
   /* Byte cache for macros.  */
+
   struct bcache *macro_cache;
 
   /* The gdbarch associated with the BFD.  Note that this gdbarch is
@@ -195,6 +206,7 @@ struct objfile_per_bfd_storage
      both null-terminated; the first one is a mangled or linkage
      name, and the second is the demangled name or just a zero byte
      if the name doesn't demangle.  */
+
   struct htab *demangled_names_hash;
 
   /* The per-objfile information about the entry point, the scope (file/func)
@@ -226,6 +238,7 @@ struct objfile_per_bfd_storage
      de-duplication is applied.  Note in particular that this has only
      a passing relationship with the actual size of the table above;
      use minimal_symbol_count if you need the true size.  */
+
   int n_minsyms;
 
   /* This is true if minimal symbols have already been read.  Symbol
@@ -257,162 +270,165 @@ struct objfile_per_bfd_storage
    (see remote-vx.c).  */
 
 struct objfile
-  {
+{
+  /* All struct objfile's are chained together by their next pointers.
+     The program space field "objfiles"  (frequently referenced via
+     the macro "object_files") points to the first link in this chain.  */
 
-    /* All struct objfile's are chained together by their next pointers.
-       The program space field "objfiles"  (frequently referenced via
-       the macro "object_files") points to the first link in this
-       chain.  */
+  struct objfile *next;
 
-    struct objfile *next;
+  /* The object file's original name as specified by the user,
+     made absolute, and tilde-expanded.  However, it is not canonicalized
+     (i.e., it has not been passed through gdb_realpath).
+     This pointer is never NULL.  This does not have to be freed; it is
+     guaranteed to have a lifetime at least as long as the objfile.  */
 
-    /* The object file's original name as specified by the user,
-       made absolute, and tilde-expanded.  However, it is not canonicalized
-       (i.e., it has not been passed through gdb_realpath).
-       This pointer is never NULL.  This does not have to be freed; it is
-       guaranteed to have a lifetime at least as long as the objfile.  */
+  char *original_name;
 
-    char *original_name;
+  CORE_ADDR addr_low;
 
-    CORE_ADDR addr_low;
+  /* Some flag bits for this objfile.
+     The values are defined by OBJF_*.  */
 
-    /* Some flag bits for this objfile.
-       The values are defined by OBJF_*.  */
+  unsigned short flags;
 
-    unsigned short flags;
+  /* The program space associated with this objfile.  */
 
-    /* The program space associated with this objfile.  */
+  struct program_space *pspace;
 
-    struct program_space *pspace;
+  /* List of compunits.
+     These are used to do symbol lookups and file/line-number lookups.  */
 
-    /* List of compunits.
-       These are used to do symbol lookups and file/line-number lookups.  */
+  struct compunit_symtab *compunit_symtabs;
 
-    struct compunit_symtab *compunit_symtabs;
+  /* Each objfile points to a linked list of partial symtabs derived from
+     this file, one partial symtab structure for each compilation unit
+     (source file).  */
 
-    /* Each objfile points to a linked list of partial symtabs derived from
-       this file, one partial symtab structure for each compilation unit
-       (source file).  */
+  struct partial_symtab *psymtabs;
 
-    struct partial_symtab *psymtabs;
+  /* Map addresses to the entries of PSYMTABS.  It would be more efficient to
+     have a map per the whole process but ADDRMAP cannot selectively remove
+     its items during FREE_OBJFILE.  This mapping is already present even for
+     PARTIAL_SYMTABs which still have no corresponding full SYMTABs read.  */
 
-    /* Map addresses to the entries of PSYMTABS.  It would be more efficient to
-       have a map per the whole process but ADDRMAP cannot selectively remove
-       its items during FREE_OBJFILE.  This mapping is already present even for
-       PARTIAL_SYMTABs which still have no corresponding full SYMTABs read.  */
+  struct addrmap *psymtabs_addrmap;
 
-    struct addrmap *psymtabs_addrmap;
+  /* List of freed partial symtabs, available for re-use.  */
 
-    /* List of freed partial symtabs, available for re-use.  */
+  struct partial_symtab *free_psymtabs;
 
-    struct partial_symtab *free_psymtabs;
+  /* The object file's BFD.  Can be null if the objfile contains only
+     minimal symbols, e.g. the run time common symbols for SunOS4.  */
 
-    /* The object file's BFD.  Can be null if the objfile contains only
-       minimal symbols, e.g. the run time common symbols for SunOS4.  */
+  bfd *obfd;
 
-    bfd *obfd;
+  /* The per-BFD data.  Note that this is treated specially if OBFD
+     is NULL.  */
 
-    /* The per-BFD data.  Note that this is treated specially if OBFD
-       is NULL.  */
+  struct objfile_per_bfd_storage *per_bfd;
 
-    struct objfile_per_bfd_storage *per_bfd;
+  /* The modification timestamp of the object file, as of the last time
+     we read its symbols.  */
 
-    /* The modification timestamp of the object file, as of the last time
-       we read its symbols.  */
+  long mtime;
 
-    long mtime;
+  /* Obstack to hold objects that should be freed when we load a new symbol
+     table from this object file.  */
 
-    /* Obstack to hold objects that should be freed when we load a new symbol
-       table from this object file.  */
+  struct obstack objfile_obstack;
 
-    struct obstack objfile_obstack; 
+  /* A byte cache where we can stash arbitrary "chunks" of bytes that
+     will not change.  */
 
-    /* A byte cache where we can stash arbitrary "chunks" of bytes that
-       will not change.  */
+  struct psymbol_bcache *psymbol_cache; /* Byte cache for partial syms.  */
 
-    struct psymbol_bcache *psymbol_cache; /* Byte cache for partial syms.  */
+  /* Vectors of all partial symbols read in from file.  The actual data
+     is stored in the objfile_obstack.  */
 
-    /* Vectors of all partial symbols read in from file.  The actual data
-       is stored in the objfile_obstack.  */
+  struct psymbol_allocation_list global_psymbols;
+  struct psymbol_allocation_list static_psymbols;
 
-    struct psymbol_allocation_list global_psymbols;
-    struct psymbol_allocation_list static_psymbols;
+  /* Structure which keeps track of functions that manipulate objfile's
+     of the same type as this objfile.  I.e. the function to read partial
+     symbols for example.  Note that this structure is in statically
+     allocated memory, and is shared by all objfiles that use the
+     object module reader of this type.  */
 
-    /* Structure which keeps track of functions that manipulate objfile's
-       of the same type as this objfile.  I.e. the function to read partial
-       symbols for example.  Note that this structure is in statically
-       allocated memory, and is shared by all objfiles that use the
-       object module reader of this type.  */
+  const struct sym_fns *sf;
 
-    const struct sym_fns *sf;
+  /* Per objfile data-pointers required by other GDB modules.  */
 
-    /* Per objfile data-pointers required by other GDB modules.  */
+  REGISTRY_FIELDS;
 
-    REGISTRY_FIELDS;
+  /* Set of relocation offsets to apply to each section.
+     The table is indexed by the_bfd_section->index, thus it is generally
+     as large as the number of sections in the binary.
+     The table is stored on the objfile_obstack.
 
-    /* Set of relocation offsets to apply to each section.
-       The table is indexed by the_bfd_section->index, thus it is generally
-       as large as the number of sections in the binary.
-       The table is stored on the objfile_obstack.
+     These offsets indicate that all symbols (including partial and
+     minimal symbols) which have been read have been relocated by this
+     much.  Symbols which are yet to be read need to be relocated by it.  */
 
-       These offsets indicate that all symbols (including partial and
-       minimal symbols) which have been read have been relocated by this
-       much.  Symbols which are yet to be read need to be relocated by it.  */
+  struct section_offsets *section_offsets;
+  int num_sections;
 
-    struct section_offsets *section_offsets;
-    int num_sections;
+  /* Indexes in the section_offsets array.  These are initialized by the
+     *_symfile_offsets() family of functions (som_symfile_offsets,
+     xcoff_symfile_offsets, default_symfile_offsets).  In theory they
+     should correspond to the section indexes used by bfd for the
+     current objfile.  The exception to this for the time being is the
+     SOM version.  */
 
-    /* Indexes in the section_offsets array.  These are initialized by the
-       *_symfile_offsets() family of functions (som_symfile_offsets,
-       xcoff_symfile_offsets, default_symfile_offsets).  In theory they
-       should correspond to the section indexes used by bfd for the
-       current objfile.  The exception to this for the time being is the
-       SOM version.  */
+  int sect_index_text;
+  int sect_index_data;
+  int sect_index_bss;
+  int sect_index_rodata;
 
-    int sect_index_text;
-    int sect_index_data;
-    int sect_index_bss;
-    int sect_index_rodata;
+  /* These pointers are used to locate the section table, which
+     among other things, is used to map pc addresses into sections.
+     SECTIONS points to the first entry in the table, and
+     SECTIONS_END points to the first location past the last entry
+     in the table.  The table is stored on the objfile_obstack.  The
+     sections are indexed by the BFD section index; but the
+     structure data is only valid for certain sections
+     (e.g. non-empty, SEC_ALLOC).  */
 
-    /* These pointers are used to locate the section table, which
-       among other things, is used to map pc addresses into sections.
-       SECTIONS points to the first entry in the table, and
-       SECTIONS_END points to the first location past the last entry
-       in the table.  The table is stored on the objfile_obstack.  The
-       sections are indexed by the BFD section index; but the
-       structure data is only valid for certain sections
-       (e.g. non-empty, SEC_ALLOC).  */
+  struct obj_section *sections, *sections_end;
 
-    struct obj_section *sections, *sections_end;
+  /* GDB allows to have debug symbols in separate object files.  This is
+     used by .gnu_debuglink, ELF build id note and Mach-O OSO.
+     Although this is a tree structure, GDB only support one level
+     (ie a separate debug for a separate debug is not supported).  Note that
+     separate debug object are in the main chain and therefore will be
+     visited by ALL_OBJFILES & co iterators.  Separate debug objfile always
+     has a non-nul separate_debug_objfile_backlink.  */
 
-    /* GDB allows to have debug symbols in separate object files.  This is
-       used by .gnu_debuglink, ELF build id note and Mach-O OSO.
-       Although this is a tree structure, GDB only support one level
-       (ie a separate debug for a separate debug is not supported).  Note that
-       separate debug object are in the main chain and therefore will be
-       visited by ALL_OBJFILES & co iterators.  Separate debug objfile always
-       has a non-nul separate_debug_objfile_backlink.  */
+  /* Link to the first separate debug object, if any.  */
 
-    /* Link to the first separate debug object, if any.  */
-    struct objfile *separate_debug_objfile;
+  struct objfile *separate_debug_objfile;
 
-    /* If this is a separate debug object, this is used as a link to the
-       actual executable objfile.  */
-    struct objfile *separate_debug_objfile_backlink;
+  /* If this is a separate debug object, this is used as a link to the
+     actual executable objfile.  */
 
-    /* If this is a separate debug object, this is a link to the next one
-       for the same executable objfile.  */
-    struct objfile *separate_debug_objfile_link;
+  struct objfile *separate_debug_objfile_backlink;
 
-    /* Place to stash various statistics about this objfile.  */
-    OBJSTATS;
+  /* If this is a separate debug object, this is a link to the next one
+     for the same executable objfile.  */
 
-    /* A linked list of symbols created when reading template types or
-       function templates.  These symbols are not stored in any symbol
-       table, so we have to keep them here to relocate them
-       properly.  */
-    struct symbol *template_symbols;
-  };
+  struct objfile *separate_debug_objfile_link;
+
+  /* Place to stash various statistics about this objfile.  */
+
+  OBJSTATS;
+
+  /* A linked list of symbols created when reading template types or
+     function templates.  These symbols are not stored in any symbol
+     table, so we have to keep them here to relocate them
+     properly.  */
+
+  struct symbol *template_symbols;
+};
 
 /* Defines for the objfile flag word.  */
 
diff --git a/gdb/psympriv.h b/gdb/psympriv.h
index ea2454c..250fc08 100644
--- a/gdb/psympriv.h
+++ b/gdb/psympriv.h
@@ -28,7 +28,7 @@ struct psymbol_allocation_list;
    symbols whose types we have not parsed yet.  For functions, it also
    contains their memory address, so we can find them from a PC value.
    Each partial_symbol sits in a partial_symtab, all of which are chained
-   on a  partial symtab list and which points to the corresponding 
+   on a  partial symtab list and which points to the corresponding
    normal symtab once the partial_symtab has been referenced.  */
 
 /* This structure is space critical.  See space comments at the top of
@@ -36,7 +36,6 @@ struct psymbol_allocation_list;
 
 struct partial_symbol
 {
-
   /* The general symbol info required for all types of symbols.  */
 
   struct general_symbol_info ginfo;
@@ -50,7 +49,6 @@ struct partial_symbol
      no need.  */
 
   ENUM_BITFIELD(address_class) aclass : 6;
-
 };
 
 #define PSYMBOL_DOMAIN(psymbol)	(psymbol)->domain
@@ -79,7 +77,6 @@ enum psymtab_search_status
 
 struct partial_symtab
 {
-
   /* Chain of all existing partial symtabs.  */
 
   struct partial_symtab *next;
@@ -126,7 +123,7 @@ struct partial_symtab
      In DWARF terms, a shared psymtab is a DW_TAG_partial_unit; but
      of course using a name based on that would be too confusing, so
      "shared" was chosen instead.
-     
+
      Only a single user is needed because, when expanding a shared
      psymtab, we only need to expand its "canonical" non-shared user.
      The choice of which one should be canonical is left to the
diff --git a/gdb/psymtab.c b/gdb/psymtab.c
index ba677bc..ca2e7b3 100644
--- a/gdb/psymtab.c
+++ b/gdb/psymtab.c
@@ -1,5 +1,5 @@
 /* Partial symbol tables.
-   
+
    Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -238,12 +238,12 @@ find_pc_sect_psymtab_closer (struct objfile *objfile,
      many partial symbol tables containing the PC, but
      we want the partial symbol table that contains the
      function containing the PC.  */
-  if (!(objfile->flags & OBJF_REORDERED) &&
-      section == 0)	/* Can't validate section this way.  */
+  if (!(objfile->flags & OBJF_REORDERED)
+      && section == NULL)  /* Can't validate section this way.  */
     return pst;
 
   if (msymbol.minsym == NULL)
-    return (pst);
+    return pst;
 
   /* The code range of partial symtabs sometimes overlap, so, in
      the loop below, we need to check all partial symtabs and
@@ -265,8 +265,8 @@ 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))
+	      && (SYMBOL_VALUE_ADDRESS (p)
+		  == BMSYMBOL_VALUE_ADDRESS (msymbol)))
 	    return tpst;
 
 	  /* Also accept the textlow value of a psymtab as a
@@ -298,10 +298,11 @@ find_pc_sect_psymtab_closer (struct objfile *objfile,
   return best_pst;
 }
 
-/* Find which partial symtab contains PC and SECTION.  Return 0 if
+/* Find which partial symtab contains PC and SECTION.  Return NULL if
    none.  We return the psymtab that contains a symbol whose address
    exactly matches PC, or, if we cannot find an exact match, the
    psymtab that contains a symbol whose address is closest to PC.  */
+
 static struct partial_symtab *
 find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
 		      struct obj_section *section,
@@ -320,7 +321,7 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
 	  /* FIXME: addrmaps currently do not handle overlayed sections,
 	     so fall back to the non-addrmap case if we're debugging
 	     overlays and the addrmap returned the wrong section.  */
-	  if (overlay_debugging && msymbol.minsym && section)
+	  if (overlay_debugging && msymbol.minsym != NULL && section != NULL)
 	    {
 	      struct partial_symbol *p;
 
@@ -329,9 +330,9 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
 		 true; the debug info might be much richer than the
 		 object's symbol table.  */
 	      p = find_pc_sect_psymbol (objfile, pst, pc, section);
-	      if (!p
-		  || SYMBOL_VALUE_ADDRESS (p)
-		  != BMSYMBOL_VALUE_ADDRESS (msymbol))
+	      if (p == NULL
+		  || (SYMBOL_VALUE_ADDRESS (p)
+		      != BMSYMBOL_VALUE_ADDRESS (msymbol)))
 		goto next;
 	    }
 
@@ -371,8 +372,8 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc,
   return NULL;
 }
 
-/*  Psymtab version of find_pc_sect_compunit_symtab.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of find_pc_sect_compunit_symtab.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static struct compunit_symtab *
 psym_find_pc_sect_compunit_symtab (struct objfile *objfile,
@@ -383,7 +384,7 @@ psym_find_pc_sect_compunit_symtab (struct objfile *objfile,
 {
   struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, section,
 						    msymbol);
-  if (ps)
+  if (ps != NULL)
     {
       if (warn_if_readin && ps->readin)
 	/* Might want to error() here (in case symtab is corrupt and
@@ -399,7 +400,7 @@ psym_find_pc_sect_compunit_symtab (struct objfile *objfile,
 }
 
 /* Find which partial symbol within a psymtab matches PC and SECTION.
-   Return 0 if none.  */
+   Return NULL if none.  */
 
 static struct partial_symbol *
 find_pc_sect_psymbol (struct objfile *objfile,
@@ -418,8 +419,8 @@ find_pc_sect_psymbol (struct objfile *objfile,
      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 - (objfile->global_psymbols.list + psymtab->globals_offset)
+	< psymtab->n_global_syms);
        pp++)
     {
       p = *pp;
@@ -430,7 +431,7 @@ find_pc_sect_psymbol (struct objfile *objfile,
 	      || (psymtab->textlow == 0
 		  && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
 	{
-	  if (section)		/* Match on a specific section.  */
+	  if (section != NULL)  /* Match on a specific section.  */
 	    {
 	      fixup_psymbol_section (p, objfile);
 	      if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p),
@@ -443,8 +444,8 @@ find_pc_sect_psymbol (struct objfile *objfile,
     }
 
   for (pp = objfile->static_psymbols.list + psymtab->statics_offset;
-    (pp - (objfile->static_psymbols.list + psymtab->statics_offset)
-     < psymtab->n_static_syms);
+       (pp - (objfile->static_psymbols.list + psymtab->statics_offset)
+	< psymtab->n_static_syms);
        pp++)
     {
       p = *pp;
@@ -455,7 +456,7 @@ find_pc_sect_psymbol (struct objfile *objfile,
 	      || (psymtab->textlow == 0
 		  && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
 	{
-	  if (section)		/* Match on a specific section.  */
+	  if (section != NULL)  /* Match on a specific section.  */
 	    {
 	      fixup_psymbol_section (p, objfile);
 	      if (!matching_obj_sections (SYMBOL_OBJ_SECTION (objfile, p),
@@ -475,7 +476,7 @@ fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile)
 {
   CORE_ADDR addr;
 
-  if (!psym)
+  if (psym == NULL)
     return;
 
   if (SYMBOL_SECTION (psym) >= 0)
@@ -499,8 +500,8 @@ fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile)
   fixup_section (&psym->ginfo, addr, objfile);
 }
 
-/*  Psymtab version of lookup_symbol.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of lookup_symbol.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static struct compunit_symtab *
 psym_lookup_symbol (struct objfile *objfile,
@@ -675,9 +676,7 @@ lookup_partial_symbol (struct objfile *objfile,
   struct cleanup *cleanup;
 
   if (length == 0)
-    {
-      return (NULL);
-    }
+    return NULL;
 
   search_name = psymtab_search_name (name);
   cleanup = make_cleanup (xfree, search_name);
@@ -737,7 +736,7 @@ lookup_partial_symbol (struct objfile *objfile,
 				     SYMBOL_DOMAIN (*top), domain))
 	    {
 	      do_cleanups (cleanup);
-	      return (*top);
+	      return *top;
 	    }
 	  top++;
 	}
@@ -755,13 +754,13 @@ lookup_partial_symbol (struct objfile *objfile,
 	      && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name))
 	    {
 	      do_cleanups (cleanup);
-	      return (*psym);
+	      return *psym;
 	    }
 	}
     }
 
   do_cleanups (cleanup);
-  return (NULL);
+  return NULL;
 }
 
 /* Get the symbol table that corresponds to a partial_symtab.
@@ -794,8 +793,8 @@ psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst)
   return pst->compunit_symtab;
 }
 
-/*  Psymtab version of relocate.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of relocate.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_relocate (struct objfile *objfile,
@@ -831,14 +830,14 @@ psym_relocate (struct objfile *objfile,
     }
 }
 
-/*  Psymtab version of find_last_source_symtab.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of find_last_source_symtab.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static struct symtab *
 psym_find_last_source_symtab (struct objfile *ofp)
 {
   struct partial_symtab *ps;
-  struct partial_symtab *cs_pst = 0;
+  struct partial_symtab *cs_pst = NULL;
 
   ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps)
     {
@@ -870,8 +869,8 @@ psym_find_last_source_symtab (struct objfile *ofp)
   return NULL;
 }
 
-/*  Psymtab version of forget_cached_source_info.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of forget_cached_source_info.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_forget_cached_source_info (struct objfile *objfile)
@@ -1053,8 +1052,8 @@ dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab,
   fprintf_filtered (outfile, "\n");
 }
 
-/*  Psymtab version of print_stats.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of print_stats.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_print_stats (struct objfile *objfile)
@@ -1071,8 +1070,8 @@ psym_print_stats (struct objfile *objfile)
   printf_filtered (_("  Number of psym tables (not yet expanded): %d\n"), i);
 }
 
-/*  Psymtab version of dump.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of dump.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_dump (struct objfile *objfile)
@@ -1096,8 +1095,8 @@ psym_dump (struct objfile *objfile)
     }
 }
 
-/*  Psymtab version of expand_symtabs_for_function.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of expand_symtabs_for_function.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_expand_symtabs_for_function (struct objfile *objfile,
@@ -1118,8 +1117,8 @@ psym_expand_symtabs_for_function (struct objfile *objfile,
   }
 }
 
-/*  Psymtab version of expand_all_symtabs.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of expand_all_symtabs.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_expand_all_symtabs (struct objfile *objfile)
@@ -1132,8 +1131,8 @@ psym_expand_all_symtabs (struct objfile *objfile)
     }
 }
 
-/*  Psymtab version of expand_symtabs_with_fullname.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of expand_symtabs_with_fullname.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_expand_symtabs_with_fullname (struct objfile *objfile,
@@ -1156,8 +1155,8 @@ psym_expand_symtabs_with_fullname (struct objfile *objfile,
     }
 }
 
-/*  Psymtab version of map_symbol_filenames.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of map_symbol_filenames.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_map_symbol_filenames (struct objfile *objfile,
@@ -1232,15 +1231,15 @@ psymtab_to_fullname (struct partial_symtab *ps)
 	    ps->fullname = xstrdup (fullname);
 	  do_cleanups (back_to);
 	}
-    } 
+    }
 
   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.  */
+/* 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,
@@ -1254,7 +1253,7 @@ map_block (const char *name, domain_enum domain, struct objfile *objfile,
   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), 
+      if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
 				 SYMBOL_DOMAIN (sym), domain))
 	{
 	  if (callback (block, sym, data))
@@ -1265,8 +1264,8 @@ map_block (const char *name, domain_enum domain, struct objfile *objfile,
   return 0;
 }
 
-/*  Psymtab version of map_matching_symbols.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* 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,
@@ -1301,7 +1300,7 @@ psym_map_matching_symbols (struct objfile *objfile,
 	    return;
 	}
     }
-}	    
+}
 
 /* A helper for psym_expand_symtabs_matching that handles
    searching included psymtabs.  This returns 1 if a symbol is found,
@@ -1391,8 +1390,8 @@ recursively_search_psymtabs (struct partial_symtab *ps,
   return result == PST_SEARCHED_AND_FOUND;
 }
 
-/*  Psymtab version of expand_symtabs_matching.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of expand_symtabs_matching.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static void
 psym_expand_symtabs_matching
@@ -1454,8 +1453,8 @@ psym_expand_symtabs_matching
     }
 }
 
-/*  Psymtab version of has_symbols.  See its definition in
-    the definition of quick_symbol_functions in symfile.h.  */
+/* Psymtab version of has_symbols.  See its definition in
+   the definition of quick_symbol_functions in symfile.h.  */
 
 static int
 psym_has_symbols (struct objfile *objfile)
@@ -1525,7 +1524,7 @@ start_psymtab_common (struct objfile *objfile,
   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);
+  return psymtab;
 }
 
 /* Calculate a hash code for the given partial symbol.  The hash is
@@ -1575,11 +1574,13 @@ 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)
 {
@@ -1614,7 +1615,7 @@ psymbol_bcache_full (struct partial_symbol *sym,
                       added);
 }
 
-/* Helper function, initialises partial symbol structure and stashes 
+/* Helper function, initialises partial symbol structure and stashes
    it into objfile's bcache.  Note that our caching mechanism will
    use all fields of struct partial_symbol to determine hash value of the
    structure.  In other words, having two symbols with the same name but
@@ -1653,9 +1654,7 @@ add_psymbol_to_bcache (const char *name, int namelength, int copy_name,
   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);
+  return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added);
 }
 
 /* Increase the space allocated for LISTP, which is probably
@@ -1687,8 +1686,7 @@ extend_psymbol_list (struct psymbol_allocation_list *listp,
   listp->size = new_size;
 }
 
-/* Helper function, adds partial symbol to the given partial symbol
-   list.  */
+/* Helper function, adds partial symbol to the given partial symbol list.  */
 
 static void
 append_psymbol_to_list (struct psymbol_allocation_list *list,
@@ -1709,7 +1707,7 @@ 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, 
+		     struct psymbol_allocation_list *list,
 		     long val,	/* Value as a long */
 		     CORE_ADDR coreaddr,	/* Value as a CORE_ADDR */
 		     enum language language, struct objfile *objfile)
@@ -1739,13 +1737,9 @@ init_psymbol_list (struct objfile *objfile, int total_symbols)
   /* Free any previously allocated psymbol lists.  */
 
   if (objfile->global_psymbols.list)
-    {
-      xfree (objfile->global_psymbols.list);
-    }
+    xfree (objfile->global_psymbols.list);
   if (objfile->static_psymbols.list)
-    {
-      xfree (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
@@ -1817,7 +1811,7 @@ allocate_psymtab (const char *filename, struct objfile *objfile)
 			  host_address_to_string (psymtab), filename);
     }
 
-  return (psymtab);
+  return psymtab;
 }
 
 void
@@ -1920,7 +1914,7 @@ print-psymbols takes an output file name and optional symbol file name"));
   make_cleanup (xfree, filename);
 
   outfile = gdb_fopen (filename, FOPEN_WT);
-  if (outfile == 0)
+  if (outfile == NULL)
     perror_with_name (filename);
   make_cleanup_ui_file_delete (outfile);
 
@@ -1934,6 +1928,7 @@ print-psymbols takes an output file name and optional symbol file name"));
 }
 
 /* List all the partial symbol tables whose names match REGEXP (optional).  */
+
 static void
 maintenance_info_psymtabs (char *regexp, int from_tty)
 {
@@ -1964,14 +1959,14 @@ maintenance_info_psymtabs (char *regexp, int from_tty)
 		{
 		  printf_filtered ("{ objfile %s ", objfile_name (objfile));
 		  wrap_here ("  ");
-		  printf_filtered ("((struct objfile *) %s)\n", 
+		  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", 
+	      printf_filtered ("((struct partial_symtab *) %s)\n",
 			       host_address_to_string (psymtab));
 
 	      printf_filtered ("    readin %s\n",
@@ -2022,7 +2017,7 @@ maintenance_info_psymtabs (char *regexp, int from_tty)
 		      /* Note the string concatenation there --- no comma.  */
 		      printf_filtered ("      psymtab %s "
 				       "((struct partial_symtab *) %s)\n",
-				       dep->filename, 
+				       dep->filename,
 				       host_address_to_string (dep));
 		    }
 		  printf_filtered ("    }\n");
