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279d901e5a
Add Intel Linear Address Masking (LAM) property support. LAM modifies the checking that is applied to 64-bit linear addresses, allowing software to use of the untranslated address bits for metadata. bfd/ * elf-linker-x86.h (elf_x86_cet_report): Renamed to ... (elf_x86_prop_report): This. (elf_linker_x86_params): Add lam_u48, lam_u57, lam_u48_report and lam_u57_report. * elfxx-x86.c (_bfd_x86_elf_link_setup_gnu_properties): Support GNU_PROPERTY_X86_FEATURE_1_LAM_U48 and GNU_PROPERTY_X86_FEATURE_1_LAM_U57. (_bfd_x86_elf_link_fixup_gnu_properties): Keep LAM features only for 64-bit output. binutils/ * NEWS: Mention LAM_U48 and LAM_U57 support. * elfedit.c (elf_x86_feature): Support lam_u48 and lam_u57. (usage): Add lam_u48 and lam_u57. * readelf.c (decode_x86_feature_1): Support LAM_U48 and LAM_U57. * doc/binutils.texi: Update elfedit with lam_u48 and lam_u57 support. * testsuite/binutils-all/x86-64/lam-u48.d: New file. * testsuite/binutils-all/x86-64/lam-u48.s: Likewise. * testsuite/binutils-all/x86-64/lam-u57.d: Likewise. * testsuite/binutils-all/x86-64/lam-u57.s: Likewise. include/ * elf/common.h (GNU_PROPERTY_X86_FEATURE_1_LAM_U48): New. (GNU_PROPERTY_X86_FEATURE_1_LAM_U57): Likewise. ld/ * NEWS: Mention LAM_U48 and LAM_U57 support. * ld.texi: Document LAM_U48 and LAM_U57 support. * emulparams/cet.sh: Updated. * emulparams/elf_x86_64.sh: Source x86-64-lam.sh. * emulparams/x86-64-lam.sh: New file. * testsuite/ld-x86-64/property-x86-lam-u48-1a.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u48-1b.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u48-2.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u48-3a.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u48-3b.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u48-4.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u48-5.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u48.s: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57-1a.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57-1b.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57-2.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57-3a.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57-3b.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57-4.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57-5.d: Likewise. * testsuite/ld-x86-64/property-x86-lam-u57.s: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run LAM tests.
66 lines
1.9 KiB
Bash
66 lines
1.9 KiB
Bash
source_sh ${srcdir}/emulparams/plt_unwind.sh
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source_sh ${srcdir}/emulparams/extern_protected_data.sh
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source_sh ${srcdir}/emulparams/dynamic_undefined_weak.sh
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source_sh ${srcdir}/emulparams/reloc_overflow.sh
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source_sh ${srcdir}/emulparams/call_nop.sh
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source_sh ${srcdir}/emulparams/cet.sh
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source_sh ${srcdir}/emulparams/x86-64-level.sh
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source_sh ${srcdir}/emulparams/x86-64-lam.sh
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source_sh ${srcdir}/emulparams/static.sh
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SCRIPT_NAME=elf
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ELFSIZE=64
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OUTPUT_FORMAT="elf64-x86-64"
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NO_REL_RELOCS=yes
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TEXT_START_ADDR=0x400000
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MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
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COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
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ARCH="i386:x86-64"
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MACHINE=
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TEMPLATE_NAME=elf
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EXTRA_EM_FILE="elf-x86"
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GENERATE_SHLIB_SCRIPT=yes
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GENERATE_PIE_SCRIPT=yes
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NO_SMALL_DATA=yes
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LARGE_SECTIONS=yes
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LARGE_BSS_AFTER_BSS=
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SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 24 ? 24 : 0"
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IREL_IN_PLT=
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# These sections are placed right after .plt section.
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OTHER_PLT_SECTIONS="
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.plt.got ${RELOCATING-0} : { *(.plt.got) }
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.plt.sec ${RELOCATING-0} : { *(.plt.sec) }
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"
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if [ "x${host}" = "x${target}" ]; then
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case " $EMULATION_LIBPATH " in
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*" ${EMULATION_NAME} "*)
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NATIVE=yes
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esac
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fi
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# Linux/Solaris modify the default library search path to first include
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# a 64-bit specific directory.
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case "$target" in
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x86_64*-linux*|i[3-7]86-*-linux-*)
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case "$EMULATION_NAME" in
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*64*)
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LIBPATH_SUFFIX=64
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PARSE_AND_LIST_OPTIONS_BNDPLT='
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fprintf (file, _("\
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-z bndplt Always generate BND prefix in PLT entries\n"));
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'
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PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT='
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else if (strcmp (optarg, "bndplt") == 0)
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params.bndplt = TRUE;
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'
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PARSE_AND_LIST_OPTIONS="$PARSE_AND_LIST_OPTIONS $PARSE_AND_LIST_OPTIONS_BNDPLT"
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PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_BNDPLT"
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;;
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esac
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;;
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*-*-solaris2*)
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LIBPATH_SUFFIX=/amd64
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ELF_INTERPRETER_NAME=\"/lib/amd64/ld.so.1\"
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;;
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esac
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