Introduce objfile::reset_psymtabs
This introduces a new method, objfile::reset_psymtabs, and changes reread_symbols to use it. This method simply destroys the existing partial symbols and recreates the psymtab_storage object. This patch fixes a latent bug -- namely, that reread_symbols should clear objfile::psymbol_map, but does not. I can submit that separately if you'd prefer. gdb/ChangeLog 2019-01-10 Tom Tromey <tom@tromey.com> * symfile.c (reread_symbols): Call objfile->reset_psymtabs. * objfiles.h (objfile::reset_psymtabs): New method.
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@ -1,3 +1,8 @@
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2019-01-10 Tom Tromey <tom@tromey.com>
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* symfile.c (reread_symbols): Call objfile->reset_psymtabs.
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* objfiles.h (objfile::reset_psymtabs): New method.
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2019-01-10 Tom Tromey <tom@tromey.com>
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* symmisc.c (print_symbol_bcache_statistics): Update.
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@ -293,6 +293,15 @@ struct objfile
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DISABLE_COPY_AND_ASSIGN (objfile);
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/* Reset the storage for the partial symbol tables. */
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void reset_psymtabs ()
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{
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psymbol_map.clear ();
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partial_symtabs.reset (new psymtab_storage (this));
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}
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/* All struct objfile's are chained together by their next pointers.
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The program space field "objfiles" (frequently referenced via
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the macro "object_files") points to the first link in this chain. */
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@ -2524,23 +2524,13 @@ reread_symbols (void)
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memcpy (offsets, objfile->section_offsets,
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SIZEOF_N_SECTION_OFFSETS (num_offsets));
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/* FIXME: Do we have to free a whole linked list, or is this
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enough? */
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objfile->partial_symtabs->global_psymbols.clear ();
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objfile->partial_symtabs->static_psymbols.clear ();
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/* Free the obstacks for non-reusable objfiles. */
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psymbol_bcache_free (objfile->partial_symtabs->psymbol_cache);
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objfile->partial_symtabs->psymbol_cache = psymbol_bcache_init ();
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objfile->reset_psymtabs ();
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/* NB: after this call to obstack_free, objfiles_changed
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will need to be called (see discussion below). */
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obstack_free (&objfile->objfile_obstack, 0);
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objfile->sections = NULL;
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objfile->compunit_symtabs = NULL;
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objfile->partial_symtabs->psymtabs = NULL;
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objfile->partial_symtabs->psymtabs_addrmap = NULL;
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objfile->partial_symtabs->free_psymtabs = NULL;
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objfile->template_symbols = NULL;
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objfile->static_links = NULL;
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