From 99db83d07d1926fd2b1f287e474a125f24887d9b Mon Sep 17 00:00:00 2001 From: Andrea Corallo Date: Wed, 30 Jun 2021 09:37:12 +0200 Subject: PATCH [1/4] arm: Add Tag_PAC_extension build attribute bfd/ 2021-07-06 Andrea Corallo * elf32-arm.c (elf32_arm_merge_eabi_attributes): Add 'Tag_PAC_extension' case. binutils/ 2021-07-06 Andrea Corallo * readelf.c (arm_attr_tag_PAC_extension): Declare. (arm_attr_public_tags): Add 'PAC_extension' lookup. elfcpp/ 2021-07-06 Andrea Corallo * arm.h: Define 'Tag_PAC_extension' enum. gas/ 2021-07-06 Andrea Corallo * config/tc-arm.c (arm_convert_symbolic_attribute): Add 'Tag_PAC_extension' to the attribute_table. include/ 2021-07-06 Andrea Corallo * elf/arm.h (elf_arm_reloc_type): Add 'Tag_PAC_extension'. --- bfd/elf32-arm.c | 1 + binutils/readelf.c | 6 ++++++ elfcpp/arm.h | 1 + gas/config/tc-arm.c | 1 + include/elf/arm.h | 1 + 5 files changed, 10 insertions(+) diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index a9119c4..bb4ba89 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -14612,6 +14612,7 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, struct bfd_link_info *info) case Tag_T2EE_use: case Tag_MPextension_use: case Tag_MVE_arch: + case Tag_PAC_extension: /* Use the largest value specified. */ if (in_attr[i].i > out_attr[i].i) out_attr[i].i = in_attr[i].i; diff --git a/binutils/readelf.c b/binutils/readelf.c index bedd389..d38a07f 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -16139,6 +16139,11 @@ static const char *const arm_attr_tag_MPextension_use_legacy[] = static const char *const arm_attr_tag_MVE_arch[] = {"No MVE", "MVE Integer only", "MVE Integer and FP"}; +static const char * arm_attr_tag_PAC_extension[] = + {"No PAC/AUT instructions", + "PAC/AUT instructions permitted in the NOP space", + "PAC/AUT instructions permitted in the NOP and in the non-NOP space"}; + #define LOOKUP(id, name) \ {id, #name, 0x80 | ARRAY_SIZE(arm_attr_tag_##name), arm_attr_tag_##name} static arm_attr_public_tag arm_attr_public_tags[] = @@ -16179,6 +16184,7 @@ static arm_attr_public_tag arm_attr_public_tags[] = LOOKUP(44, DIV_use), LOOKUP(46, DSP_extension), LOOKUP(48, MVE_arch), + LOOKUP(50, PAC_extension), {64, "nodefaults", 0, NULL}, {65, "also_compatible_with", 0, NULL}, LOOKUP(66, T2EE_use), diff --git a/elfcpp/arm.h b/elfcpp/arm.h index 1d3102f..ce682a5 100644 --- a/elfcpp/arm.h +++ b/elfcpp/arm.h @@ -306,6 +306,7 @@ enum Tag_undefined43 = 43, Tag_DIV_use = 44, Tag_MVE_arch = 48, + Tag_PAC_extension = 50, Tag_nodefaults = 64, Tag_also_compatible_with = 65, Tag_T2EE_use = 66, diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 21a2e2d..2827e29 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -33516,6 +33516,7 @@ arm_convert_symbolic_attribute (const char *name) T (Tag_Virtualization_use), T (Tag_DSP_extension), T (Tag_MVE_arch), + T (Tag_PAC_extension), /* We deliberately do not include Tag_MPextension_use_legacy. */ #undef T }; diff --git a/include/elf/arm.h b/include/elf/arm.h index 5b6e403..27b6768 100644 --- a/include/elf/arm.h +++ b/include/elf/arm.h @@ -327,6 +327,7 @@ enum Tag_DIV_use, Tag_DSP_extension = 46, Tag_MVE_arch = 48, + Tag_PAC_extension = 50, Tag_nodefaults = 64, Tag_also_compatible_with, Tag_T2EE_use, -- cgit v1.1