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PR30343 infrastructure

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Make ldemul_before_plugin_all_symbols_read more useful.

	* ldlang.c (lang_process): Move call to
	ldemul_before_plugin_all_symbols_read outside BFD_SUPPORTS_PLUGINS.
	Allow backends to add to gc_sym_list before handling entry sym.
	* ldelf.c (ldelf_before_plugin_all_symbols_read): Test
	lto_plugin_active.
This commit is contained in:
Alan Modra
2023-04-19 14:21:15 +09:30
parent 329dd2b6fc
commit 2605f35cda
2 changed files with 10 additions and 9 deletions
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3
ld/ldelf.c
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@@ -1215,7 +1215,8 @@ ldelf_before_plugin_all_symbols_read (int use_libpath, int native,
{
struct elf_link_hash_table *htab = elf_hash_table (&link_info);
if (!is_elf_hash_table (&htab->root))
if (!link_info.lto_plugin_active
|| !is_elf_hash_table (&htab->root))
return;
htab->handling_dt_needed = true;

16
ld/ldlang.c
View File

@@ -7964,14 +7964,14 @@ lang_process (void)
statements we can give values to symbolic origin/length now. */
lang_do_memory_regions (true);
ldemul_before_plugin_all_symbols_read ();
#if BFD_SUPPORTS_PLUGINS
if (link_info.lto_plugin_active)
{
lang_statement_list_type added;
lang_statement_list_type files, inputfiles;
ldemul_before_plugin_all_symbols_read ();
/* Now all files are read, let the plugin(s) decide if there
are any more to be added to the link before we call the
emulation's after_open hook. We create a private list of
@@ -8074,17 +8074,17 @@ lang_process (void)
}
#endif /* BFD_SUPPORTS_PLUGINS */
/* Make sure that nobody has tried to add a symbol to this list
before now. */
ASSERT (link_info.gc_sym_list == NULL);
struct bfd_sym_chain **sym = &link_info.gc_sym_list;
while (*sym)
sym = &(*sym)->next;
link_info.gc_sym_list = &entry_symbol;
*sym = &entry_symbol;
if (entry_symbol.name == NULL)
{
link_info.gc_sym_list = ldlang_undef_chain_list_head;
*sym = ldlang_undef_chain_list_head;
/* entry_symbol is normally initialied by a ENTRY definition in the
/* entry_symbol is normally initialised by an ENTRY definition in the
linker script or the -e command line option. But if neither of
these have been used, the target specific backend may still have
provided an entry symbol via a call to lang_default_entry().