4bfe82299f
* gdb-symtab-refactor-condition-in-scan_attributes.patch * gdb-symtab-factor-out-m_die_range_map-usage.patch * gdb-symtab-handle-nullptr-parent-in-parent_map-set_p.patch * gdb-symtab-factor-out-m_deferred_entries-usage.patch * gdb-symtab-resolve-deferred-entries-inter-shard-case.patch * gdb-symtab-keep-track-of-processed-dies-in-shard.patch * gdb-symtab-resolve-deferred-entries-intra-shard-case.patch * gdb-symtab-don-t-defer-backward-refs-inter-cu-intra-.patch * gdb-symtab-recurse-into-c-dw_tag_subprogram-dies-for.patch * gdb-symtab-keep-track-of-all-parents-for-cooked-inde.patch * gdb-symtab-fix-dw_tag_inlined_subroutine-entries-in-.patch OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gdb?expand=0&rev=373
121 lines
3.6 KiB
Diff
121 lines
3.6 KiB
Diff
From a4bf216accd43b25ea9b9b7507c93eb973872a82 Mon Sep 17 00:00:00 2001
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From: Tom de Vries <tdevries@suse.de>
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Date: Sun, 24 Sep 2023 11:43:24 +0200
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Subject: [PATCH 07/11] [gdb/symtab] Resolve deferred entries, intra-shard case
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In patch "[gdb/symtab] Resolve deferred entries, inter-shard case" we've
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solved the generic case of handling deferred entries.
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Now add an optimization that handles deferred entries with an intra-shard
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dependency in the parallel for.
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Tested on x86_64-linux.
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---
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gdb/dwarf2/cooked-index.c | 35 +++++++++++++++++++++++++++++++++++
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gdb/dwarf2/cooked-index.h | 7 +++++++
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gdb/dwarf2/read.c | 10 ++++++++++
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3 files changed, 52 insertions(+)
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diff --git a/gdb/dwarf2/cooked-index.c b/gdb/dwarf2/cooked-index.c
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index cef57a96384..d8a12bee265 100644
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--- a/gdb/dwarf2/cooked-index.c
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+++ b/gdb/dwarf2/cooked-index.c
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@@ -408,6 +408,7 @@ cooked_index::find (const std::string &name, bool completing)
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cooked_index_vector::cooked_index_vector (vec_type &&vec)
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: m_vector (std::move (vec))
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{
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+ /* Handle deferred entries, inter-cu case. */
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handle_deferred_entries ();
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for (auto &idx : m_vector)
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@@ -477,6 +478,40 @@ cooked_index_vector::get_main () const
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/* See cooked-index.h. */
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+const cooked_index_entry *
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+cooked_index::find_parent_deferred_entry
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+ (const cooked_index::deferred_entry &entry) const
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+{
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+ return find_parent (entry.spec_offset);
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+}
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+
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+/* See cooked-index.h. */
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+
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+void
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+cooked_index::handle_deferred_entries ()
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+{
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+ for (auto it = m_deferred_entries->begin (); it != m_deferred_entries->end (); )
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+ {
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+ const deferred_entry & deferred_entry = *it;
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+ if (!parent_valid (deferred_entry.spec_offset))
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+ {
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+ it++;
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+ continue;
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+ }
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+ const cooked_index_entry *parent_entry
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+ = find_parent_deferred_entry (deferred_entry);
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+ if (parent_entry == &parent_map::deferred)
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+ {
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+ it++;
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+ continue;
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+ }
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+ resolve_deferred_entry (deferred_entry, parent_entry);
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+ it = m_deferred_entries->erase (it);
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+ }
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+}
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+
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+/* See cooked-index.h. */
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+
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const cooked_index_entry *
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cooked_index::resolve_deferred_entry
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(const deferred_entry &de, const cooked_index_entry *parent_entry)
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diff --git a/gdb/dwarf2/cooked-index.h b/gdb/dwarf2/cooked-index.h
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index 9d836379666..bda1ed1e155 100644
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--- a/gdb/dwarf2/cooked-index.h
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+++ b/gdb/dwarf2/cooked-index.h
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@@ -404,6 +404,13 @@ class cooked_index
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const cooked_index_entry *resolve_deferred_entry
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(const deferred_entry &entry, const cooked_index_entry *parent_entry);
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+ /* Find the parent entry for deferred_entry ENTRY. */
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+ const cooked_index_entry *find_parent_deferred_entry
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+ (const cooked_index::deferred_entry &entry) const;
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+
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+ /* Create cooked_index_entries for the deferred entries. */
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+ void handle_deferred_entries ();
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+
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/* Mark parents in range [START, END] as valid . */
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void set_parent_valid (CORE_ADDR start, CORE_ADDR end)
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{
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diff --git a/gdb/dwarf2/read.c b/gdb/dwarf2/read.c
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index ba21b6a14c9..0ab3e1a1500 100644
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--- a/gdb/dwarf2/read.c
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+++ b/gdb/dwarf2/read.c
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@@ -6697,6 +6697,12 @@ class cooked_index_storage
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m_index->defer_entry (de);
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}
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+ /* Handle deferred entries, intra-cu case. */
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+ void handle_deferred_entries ()
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+ {
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+ m_index->handle_deferred_entries ();
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+ }
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+
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/* Mark parents in range [START, END] as valid . */
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void set_parent_valid (CORE_ADDR start, CORE_ADDR end)
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{
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@@ -7183,6 +7189,10 @@ dwarf2_build_psymtabs_hard (dwarf2_per_objfile *per_objfile)
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errors.push_back (std::move (except));
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}
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}
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+
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+ /* Handle deferred entries, intra-cu case. */
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+ thread_storage.handle_deferred_entries ();
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+
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return result_type (thread_storage.release (), std::move (errors));
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}, task_size);
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--
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2.35.3
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