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From: Tom Tromey <tom@tromey.com>
To: gdb-patches@sourceware.org
Subject: [PATCH v3 06/18] Add quick_symbol_functions::compute_main_name
Date: Wed, 22 Nov 2023 22:32:15 -0700	[thread overview]
Message-ID: <20231122-t-bg-dwarf-reading-v3-6-fc3180de63c4@tromey.com> (raw)
In-Reply-To: <20231122-t-bg-dwarf-reading-v3-0-fc3180de63c4@tromey.com>

This adds a new compute_main_name method to quick_symbol_functions.
Currently there are no implementations of this, but a subsequent patch
will add one.
---
 gdb/objfiles.h      |  3 +++
 gdb/quick-symbol.h  |  9 +++++++++
 gdb/symfile-debug.c | 12 ++++++++++++
 gdb/symtab.c        |  2 ++
 4 files changed, 26 insertions(+)

diff --git a/gdb/objfiles.h b/gdb/objfiles.h
index ec9d354e4a7..63f5db82cfa 100644
--- a/gdb/objfiles.h
+++ b/gdb/objfiles.h
@@ -611,6 +611,9 @@ struct objfile
   void map_symbol_filenames (gdb::function_view<symbol_filename_ftype> fun,
 			     bool need_fullname);
 
+  /* See quick_symbol_functions.  */
+  void compute_main_name ();
+
   /* See quick_symbol_functions.  */
   struct compunit_symtab *find_compunit_symtab_by_address (CORE_ADDR address);
 
diff --git a/gdb/quick-symbol.h b/gdb/quick-symbol.h
index a7fea2ccb49..49505aef64a 100644
--- a/gdb/quick-symbol.h
+++ b/gdb/quick-symbol.h
@@ -212,6 +212,15 @@ struct quick_symbol_functions
 	gdb::function_view<symbol_filename_ftype> fun,
 	bool need_fullname) = 0;
 
+  /* Compute the name and language of the main function for the given
+     objfile.  Normally this is done during symbol reading, but this
+     method exists in case this work is done in a worker thread and
+     must be waited for.  The implementation can call
+     set_objfile_main_name if results are found.  */
+  virtual void compute_main_name (struct objfile *objfile)
+  {
+  }
+
   /* Return true if this class can lazily read the symbols.  This may
      only return true if there are in fact symbols to be read, because
      this is used in the implementation of 'has_partial_symbols'.  */
diff --git a/gdb/symfile-debug.c b/gdb/symfile-debug.c
index 85c43719dee..ea9d0c47ba5 100644
--- a/gdb/symfile-debug.c
+++ b/gdb/symfile-debug.c
@@ -485,6 +485,18 @@ objfile::map_symbol_filenames (gdb::function_view<symbol_filename_ftype> fun,
     iter->map_symbol_filenames (this, fun, need_fullname);
 }
 
+void
+objfile::compute_main_name ()
+{
+  if (debug_symfile)
+    gdb_printf (gdb_stdlog,
+		"qf->compute_main_name (%s)\n",
+		objfile_debug_name (this));
+
+  for (const auto &iter : qf_require_partial_symbols ())
+    iter->compute_main_name (this);
+}
+
 struct compunit_symtab *
 objfile::find_compunit_symtab_by_address (CORE_ADDR address)
 {
diff --git a/gdb/symtab.c b/gdb/symtab.c
index 15471554f32..68836efa08b 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -6237,6 +6237,8 @@ find_main_name (void)
      accurate.  */
   for (objfile *objfile : current_program_space->objfiles ())
     {
+      objfile->compute_main_name ();
+
       if (objfile->per_bfd->name_of_main != NULL)
 	{
 	  set_main_name (pspace,

-- 
2.41.0


  parent reply	other threads:[~2023-11-23  5:32 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-23  5:32 [PATCH v3 00/18] Index DWARF in the background Tom Tromey
2023-11-23  5:32 ` [PATCH v3 01/18] Don't use objfile::intern in DWO code Tom Tromey
2023-11-23  5:32 ` [PATCH v3 02/18] Pre-read DWZ section data Tom Tromey
2023-11-23  5:32 ` [PATCH v3 03/18] Add a couple of bfd_cache_close calls Tom Tromey
2023-11-23  5:32 ` [PATCH v3 04/18] Add thread-safety to gdb's BFD wrappers Tom Tromey
2023-11-23  5:32 ` [PATCH v3 05/18] Refactor complaint thread-safety approach Tom Tromey
2023-11-23  5:32 ` Tom Tromey [this message]
2023-11-23  5:32 ` [PATCH v3 07/18] Add gdb::task_group Tom Tromey
2023-11-23  5:32 ` [PATCH v3 08/18] Move cooked_index_storage to cooked-index.h Tom Tromey
2023-11-23  5:32 ` [PATCH v3 09/18] Add "maint set dwarf synchronous" Tom Tromey
2023-11-23  7:02   ` Eli Zaretskii
2023-11-23  5:32 ` [PATCH v3 10/18] Change how cooked index waits for threads Tom Tromey
2023-11-23  5:32 ` [PATCH v3 11/18] Do more DWARF reading in the background Tom Tromey
2023-11-23  5:32 ` [PATCH v3 12/18] Simplify the public DWARF API Tom Tromey
2023-11-23  5:32 ` [PATCH v3 13/18] Remove two quick_symbol_functions methods Tom Tromey
2023-11-23  5:32 ` [PATCH v3 14/18] Change current_language to be a macro Tom Tromey
2023-11-23  5:32 ` [PATCH v3 15/18] Lazy language setting Tom Tromey
2023-11-23  5:32 ` [PATCH v3 16/18] Optimize lookup_minimal_symbol_text Tom Tromey
2023-11-23  5:32 ` [PATCH v3 17/18] Avoid language-based lookups in startup path Tom Tromey
2023-11-23  5:32 ` [PATCH v3 18/18] Back out some parallel_for_each features Tom Tromey
2023-11-27 15:31 ` [PATCH v3 00/18] Index DWARF in the background Tom de Vries
2023-12-10 17:19 ` Tom Tromey

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