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[Bug ld/19011] Issues with ld on mingw-w64 and bad defaults

From: cvs-commit at gcc dot gnu.org
Subject: [Bug ld/19011] Issues with ld on mingw-w64 and bad defaults
Date: Thu, 27 Aug 2020 11:59:13 +0000


--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Nick Clifton <nickc@sourceware.org>:


commit 514b4e191d5f46de8e142fe216e677a35fa9c4bb
Author: Jeremy Drake <sourceware-bugzilla@jdrake.com>
Date:   Thu Aug 27 12:58:27 2020 +0100

    Change the default characteristics of DLLs built by the linker to more
secure settings.

            PR 19011
            * emultempl/pe.em (DEFAULT_DLL_CHARACTERISTICS): Define.
            (pe_dll_characteristics): Initialise to
            (add_options): Add options to disable DLL characteristics.
            (list_options): List the new options.
            (handle_options): Handle the new options.
            * emultempl/pep.em: Similar changes to above.
            (NT_EXE_IMAGE_BASE): Default to an address above 4G.
            (NT_DLL_AUTO_IMAGE_MASK): Likewise.
            * ld.texi: Document the new options.
            * pe-dll.c (pe_dll_enable_reloc_section): Change to default to
            (generate_reloc): Do nothing if there is no reloc section.
            (pe_exe_fill_sections): Only assign the reloc section contents if
            the section exists.
            * testsuite/ld-pe/pe.exp: Add the --disable-reloc-section flag to
            the .secrel32 tests.
            * testsuite/ld-scripts/provide-8.d: Expect for fail on PE targets.
            * NEWS: Mention the change in DLL generation.

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