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3 commits

Author SHA1 Message Date
H.J. Lu
2539602136 ld: Move foo before delete in dl5.cc
* testsuite/ld-elf/dl5.cc (main): Move foo before delete.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
2024-07-01 02:22:45 -07:00
H.J. Lu
adf584eb92 ld: Avoid folding new and delete pairs
GCC 15 may fold new and delete pairs, like

  A *bb = new A[10];
  delete [] bb;
  bb = new (std::nothrow) A [10];
  delete [] bb;

as shown in

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115712

Avoid folding new and delete pairs by adding a function call between new
and delete.

	* testsuite/ld-elf/dl5.cc: Include "dl5.h".
	(A): Removed.
	Call foo between new and delete.
	* testsuite/ld-elf/dl5.h: New file.
	* testsuite/ld-elf/new.cc: Include "dl5.h".
	(foo): New function.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
2024-06-30 15:43:58 -07:00
H.J. Lu
40b36307e3 bfd/
2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* elf-bfd.h (bfd_elf_link_mark_dynamic_symbol): Add an
	argument, Elf_Internal_Sym *.

	* elflink.c (bfd_elf_link_mark_dynamic_symbol): Mark a data
	symbol dynamic if info->dynamic_data is TRUE.
	(bfd_elf_record_link_assignment): Updated call to
	bfd_elf_record_link_assignment.
	(_bfd_elf_merge_symbol): Likewise.  Always call
	bfd_elf_link_mark_dynamic_symbol.

include/

2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* bfdlink.h (bfd_link_info): Rename dynamic to dynamic_list.
	Add dynamic and dynamic_data.

ld/

2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* NEWS: Mention -Bsymbolic-functions, --dynamic-list-data and
	--dynamic-list-cpp-new.

	* ld.texinfo: Document -Bsymbolic-functions, --dynamic-list-data
	and --dynamic-list-cpp-new.

	* ldlang.c (lang_append_dynamic_list_cpp_new): New.
	(lang_process): Change link_info.dynamic to
	link_info.dynamic_list.
	(lang_append_dynamic_list): Likewise.
	* ldmain.c (main): Likewise.  Initialize link_info.dynamic and
	link_info.dynamic_data to FALSE.

	* ldlang.h (lang_append_dynamic_list_cpp_new): New.

	* lexsup.c (option_values): Add OPTION_DYNAMIC_LIST_DATA and
	OPTION_DYNAMIC_LIST_CPP_NEW.
	(ld_options): Add entries for -Bsymbolic-functions,
	--dynamic-list-data and --dynamic-list-cpp-new.  Make
	-Bsymbolic-functions an alias of --dynamic-list-data.
	(parse_args): Change link_info.dynamic to link_info.dynamic_list.
	Set link_info.dynamic to TRUE for --dynamic-list and
	--dynamic-list-cpp-typeinfo.  Handle --dynamic-list-data and
	--dynamic-list-cpp-new.

ld/testsuite/

2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* ld-elf/del.cc: New.
	* ld-elf/dl5.cc: Likewise.
	* ld-elf/dl5.out: Likewise.
	* ld-elf/new.cc: Likewise.

	* ld-elf/shared.exp: Add tests for --dynamic-list-data and
	 --dynamic-list-cpp-new.
2007-01-16 14:56:32 +00:00