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* gc.h (gc_process_relocs): Check if icf is enabled using new

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function.
	* gold.cc (queue_initial_tasks): Likewise.
	(queue_middle_tasks): Likewise.
	* object.cc (do_layout): Likewise.
	* symtab.cc (is_section_folded): Likewise.
	* main.cc (main): Likewise.
	* reloc.cc (Read_relocs::run): Likewise.
	(Sized_relobj::do_scan_relocs): Likewise.
	* icf.cc (is_function_ctor_or_dtor): New function.
	(Icf::find_identical_sections): Check if function is ctor or dtor when
	safe icf is chosen.
	* options.h (General_options::icf): Change option to be an enum.
	(Icf_status): New enum.
	(icf_enabled): New method.
	(icf_safe_folding): New method.
	(set_icf_status): New method.
	(icf_status_): New variable.
	* (options.cc) (General_options::finalize): Set icf_status_.
	* testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
	icf_test and icf_keep_unique_test to use the --icf enum flag.
	* testsuite/icf_safe_test.sh: New file.
	* testsuite/icf_safe_test.cc: New file.
This commit is contained in:
Sriraman Tallam
2009-10-13 21:17:43 +00:00
parent 55b126d49c
commit 032ce4e9e3
14 changed files with 237 additions and 23 deletions
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8
gold/object.cc
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@@ -934,16 +934,16 @@ Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab,
const unsigned int shnum = this->shnum();
bool is_gc_pass_one = ((parameters->options().gc_sections()
&& !symtab->gc()->is_worklist_ready())
|| (parameters->options().icf()
|| (parameters->options().icf_enabled()
&& !symtab->icf()->is_icf_ready()));
bool is_gc_pass_two = ((parameters->options().gc_sections()
&& symtab->gc()->is_worklist_ready())
|| (parameters->options().icf()
|| (parameters->options().icf_enabled()
&& symtab->icf()->is_icf_ready()));
bool is_gc_or_icf = (parameters->options().gc_sections()
|| parameters->options().icf());
|| parameters->options().icf_enabled());
// Both is_gc_pass_one and is_gc_pass_two should not be true.
gold_assert(!(is_gc_pass_one && is_gc_pass_two));
@@ -1238,7 +1238,7 @@ Sized_relobj<size, big_endian>::do_layout(Symbol_table* symtab,
}
}
if (is_gc_pass_two && parameters->options().icf())
if (is_gc_pass_two && parameters->options().icf_enabled())
{
if (out_sections[i] == NULL)
{