From e922d1eaa3774a68c96eae01e0fd08f8a30cda8c Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Fri, 10 Nov 2023 11:37:27 +0000 Subject: Add ability to change linker warning messages into errors when reporting executable stacks and/or executable segments. include * bfdlink.h (struct bfd_link_info): Update descriptions of the 'execstack', 'noexecstack' and 'warn_execstack' fields. Add 'error_exectack' and 'warn_is_error_for_rwx_segments' fields. bfd * elf.c (assign_file_positions_except_relocs): Turn warnings about executable segments into errors if so requested. * elflink.c (bfd_elf_size_dynamic_sections): Turn warnings about executable stacks into errors if so requested. ld * ldlex.h (enum option_values): Add OPTION_ERROR_EXECSTACK, OPTION_NO_ERROR_EXECSTACK, OPTION_WARN_EXECSTACK_OBJECTS, OPTION_ERROR_RWX_SEGMENTS and OPTION_NO_ERROR_RWX_SEGMENTS. (struct ld_option): Add new long options. (parse_args): Parse new long options. (elf_static_list_options): Display the new options. * ld.texi: Document the new command line options. * configure.ac (error-execstack): New configuration option. (error-rwx-segments): New configuration option. * emultempl/elf.em (_before_parse): Initialse the new linkinfo fields. * NEWS: Mention the new features. * config.in: Regenerate. * configure: Regenerate. * testsuite/ld-elf/commonpage2.d: Disable errors for RWX segments and/or executable stacks. * testsuite/ld-elf/elf.exp: Likewise. * testsuite/ld-elf/header.d: Likewise. * testsuite/ld-elf/loadaddr1.d: Likewise. * testsuite/ld-elf/loadaddr2.d: Likewise. * testsuite/ld-elf/maxpage4.d: Likewise. * testsuite/ld-elf/nobits-1.d: Likewise. * testsuite/ld-elf/note-1.d: Likewise. * testsuite/ld-elf/orphan-10.d: Likewise. * testsuite/ld-elf/orphan-11.d: Likewise. * testsuite/ld-elf/orphan-12.d: Likewise. * testsuite/ld-elf/orphan-5.d: Likewise. * testsuite/ld-elf/orphan-7.d: Likewise. * testsuite/ld-elf/orphan-8.d: Likewise. * testsuite/ld-elf/orphan-9.d: Likewise. * testsuite/ld-elf/orphan-region.d: Likewise. * testsuite/ld-elf/orphan.d: Likewise. * testsuite/ld-elf/pr19539.d: Likewise. * testsuite/ld-elf/pr26256-1a.d: Likewise. * testsuite/ld-elf/pr26907.d: Likewise. * testsuite/ld-elf/pr28597.d: Likewise. * testsuite/ld-elf/retain2.d: Likewise. * testsuite/ld-elf/shared.exp: Likewise. * testsuite/ld-elf/size-1.d: Likewise. * testsuite/ld-elf/textaddr7.d: Likewise. * testsuite/ld-elf/warn1.d: Likewise. * testsuite/ld-elf/warn2.d: Likewise. * testsuite/ld-i386/discarded1.d: Likewise. * testsuite/ld-i386/pr19175.d: Likewise. * testsuite/ld-i386/pr19539.d: Likewise. * testsuite/ld-i386/pr23189.d: Likewise. * testsuite/ld-plugin/lto-3r.d: Likewise. * testsuite/ld-plugin/lto-5r.d: Likewise. * testsuite/ld-plugin/lto.exp: Likewise. * testsuite/ld-powerpc/ppc476-shared.d: Likewise. * testsuite/ld-powerpc/ppc476-shared2.d: Likewise. * testsuite/ld-powerpc/pr28827-2.d: Likewise. * testsuite/ld-s390/s390.exp: Likewise. * testsuite/ld-scripts/align2a.d: Likewise. * testsuite/ld-scripts/align2b.d: Likewise. * testsuite/ld-scripts/align5.d: Likewise. * testsuite/ld-scripts/alignof.exp: Likewise. * testsuite/ld-scripts/crossref.exp: Likewise. * testsuite/ld-scripts/defined2.d: Likewise. * testsuite/ld-scripts/defined3.d: Likewise. * testsuite/ld-scripts/defined5.d: Likewise. * testsuite/ld-scripts/pr14962.d: Likewise. * testsuite/ld-scripts/pr18963.d: Likewise. * testsuite/ld-scripts/pr20302.d: Likewise. * testsuite/ld-scripts/print-memory-usage.exp: Likewise. * testsuite/ld-scripts/rgn-at1.d: Likewise. * testsuite/ld-scripts/rgn-at10.d: Likewise. * testsuite/ld-scripts/rgn-at4.d: Likewise. * testsuite/ld-scripts/rgn-at6.d: Likewise. * testsuite/ld-scripts/rgn-at8.d: Likewise. * testsuite/ld-scripts/rgn-at9.d: Likewise. * testsuite/ld-scripts/rgn-over1.d: Likewise. * testsuite/ld-scripts/rgn-over2.d: Likewise. * testsuite/ld-scripts/rgn-over4.d: Likewise. * testsuite/ld-scripts/rgn-over5.d: Likewise. * testsuite/ld-scripts/rgn-over6.d: Likewise. * testsuite/ld-scripts/script.exp: Likewise. * testsuite/ld-scripts/sizeof.exp: Likewise. * testsuite/ld-scripts/sort-file.d: Likewise. * testsuite/ld-x86-64/discarded1.d: Likewise. * testsuite/ld-x86-64/pr19175.d: Likewise. * testsuite/ld-x86-64/pr19539a.d: Likewise. * testsuite/ld-x86-64/pr19539b.d: Likewise. * testsuite/ld-x86-64/pr23189.d: Likewise. --- ld/testsuite/ld-i386/discarded1.d | 2 +- ld/testsuite/ld-i386/pr19175.d | 2 +- ld/testsuite/ld-i386/pr19539.d | 2 +- ld/testsuite/ld-i386/pr23189.d | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) (limited to 'ld/testsuite/ld-i386') diff --git a/ld/testsuite/ld-i386/discarded1.d b/ld/testsuite/ld-i386/discarded1.d index 8106db3..73e589a 100644 --- a/ld/testsuite/ld-i386/discarded1.d +++ b/ld/testsuite/ld-i386/discarded1.d @@ -1,3 +1,3 @@ #as: --32 -#ld: -melf_i386 -T discarded1.t +#ld: -melf_i386 -T discarded1.t --no-error-rwx-segments #error: .*discarded output section: `.got.plt' diff --git a/ld/testsuite/ld-i386/pr19175.d b/ld/testsuite/ld-i386/pr19175.d index aaf929f..a65015e 100644 --- a/ld/testsuite/ld-i386/pr19175.d +++ b/ld/testsuite/ld-i386/pr19175.d @@ -1,6 +1,6 @@ #source: pr19175.s #as: --32 -mrelax-relocations=yes -#ld: -Bsymbolic -shared -melf_i386 -T pr19175.t +#ld: -Bsymbolic -shared -melf_i386 -T pr19175.t --no-error-rwx-segments #objdump: -dw .*: +file format .* diff --git a/ld/testsuite/ld-i386/pr19539.d b/ld/testsuite/ld-i386/pr19539.d index f0644a3..41c56f4 100644 --- a/ld/testsuite/ld-i386/pr19539.d +++ b/ld/testsuite/ld-i386/pr19539.d @@ -1,5 +1,5 @@ #as: --32 -#ld: -pie -m elf_i386 -T pr19539.t -z notext +#ld: -pie -m elf_i386 -T pr19539.t -z notext --no-error-rwx-segments #readelf: -r --wide Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 1 entry: diff --git a/ld/testsuite/ld-i386/pr23189.d b/ld/testsuite/ld-i386/pr23189.d index d388830..3c3a665 100644 --- a/ld/testsuite/ld-i386/pr23189.d +++ b/ld/testsuite/ld-i386/pr23189.d @@ -1,5 +1,5 @@ #as: --32 -mrelax-relocations=yes -#ld: -shared -melf_i386 -T pr23189.t +#ld: -shared -melf_i386 -T pr23189.t --no-error-rwx-segments #readelf: -r --wide There are no relocations in this file. -- cgit v1.1