[review] [RFC] Don't block on finishing demangling msymbols

["Tom Tromey (Code Review)" <gerrit@gnutoolchain-gerrit.osci.io>]

Tom Tromey has posted comments on this change.

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/463
......................................................................


Patch Set 1:

(1 comment)

| --- gdb/minsyms.c
| +++ gdb/minsyms.c
| @@ -335,18 +335,19 @@ lookup_minimal_symbol (const char *name, const char *sfile,
|  	{
|  	  if (symbol_lookup_debug)
|  	    {
|  	      fprintf_unfiltered (gdb_stdlog,
|  				  "lookup_minimal_symbol (%s, %s, %s)\n",
|  				  name, sfile != NULL ? sfile : "NULL",
|  				  objfile_debug_name (objfile));
|  	    }
|  
| +	  objfile->per_bfd->wait_for_msymbols ();

PS1, Line 344:

> WDYT?

Yeah -- that's essentially what the "memoized future" I linked to
does.

|  	  /* Do two passes: the first over the ordinary hash table,
|  	     and the second over the demangled hash table.  */
|  	  lookup_minimal_symbol_mangled (name, sfile, objfile,
|  					 objfile->per_bfd->msymbol_hash,
|  					 mangled_hash, mangled_cmp, found);
|  
|  	  /* If not found, try the demangled hash table.  */
|  	  if (found.external_symbol.minsym == NULL)
|  	    {

-- 
Gerrit-Project: binutils-gdb
Gerrit-Branch: master
Gerrit-Change-Id: I9d871917459ece0b41d31670b3c56600757aea66
Gerrit-Change-Number: 463
Gerrit-PatchSet: 1
Gerrit-Owner: Christian Biesinger <cbiesinger@google.com>
Gerrit-Reviewer: Christian Biesinger <cbiesinger@google.com>
Gerrit-CC: Tom Tromey <tromey@sourceware.org>
Gerrit-Comment-Date: Fri, 13 Dec 2019 21:46:23 +0000
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