X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=elfcpp%2Farm.h;h=6f7d4662f918c50c839e529549bcb00cef5c9763;hb=087e161b3cd9a8626dc05ce1bdb8dfaf353a71b1;hp=52b80c5a7cd918cfc8601170c26a9f88ebbfbe55;hpb=05a352e6a76d399efe20435ac617f49327fdff29;p=deliverable%2Fbinutils-gdb.git

diff --git a/elfcpp/arm.h b/elfcpp/arm.h
index 52b80c5a7c..6f7d4662f9 100644
--- a/elfcpp/arm.h
+++ b/elfcpp/arm.h
@@ -1,6 +1,6 @@
 // arm.h -- ELF definitions specific to EM_ARM  -*- C++ -*-
 
-// Copyright 2009, Free Software Foundation, Inc.
+// Copyright (C) 2009-2020 Free Software Foundation, Inc.
 // Written by Doug Kwan <dougkwan@google.com>.
 
 // This file is part of elfcpp.
@@ -192,11 +192,17 @@ enum
   R_ARM_PRIVATE_14 = 126,
   R_ARM_PRIVATE_15 = 127,
   R_ARM_ME_TOO = 128,		// Obsolete
-  R_ARM_THM_TLS_DESCSEQ16 = 129,// Static	Thumb16	
+  R_ARM_THM_TLS_DESCSEQ16 = 129,// Static	Thumb16
   R_ARM_THM_TLS_DESCSEQ32 = 130,// Static	Thumb32
-  // 131 - 139			Unallocated
+  // 131 - 135			Unallocated
+  // Relocations for Armv8.1-M Mainline (BF/BFL)
+  R_ARM_THM_BF16 = 136,		// Static       Thumb32 ((S + A) | T) – P
+  R_ARM_THM_BF12 = 137,		// Static       Thumb32 ((S + A) | T) – P
+  R_ARM_THM_BF18 = 138,		// Static       Thumb32 ((S + A) | T) – P
+  // 139			Unallocated
   // 140 - 159			Dynamic		Reserved for future allocation
-  // 160 - 255			Unallocated
+  R_ARM_IRELATIVE = 160,	// Dynamic
+  // 161 - 255			Unallocated
 };
 
 // e_flags values used for ARM.  We only support flags defined in AAELF.
@@ -222,6 +228,14 @@ inline Elf_Word
 arm_eabi_version(Elf_Word flags)
 { return flags & EF_ARM_EABIMASK; }
 
+// EABI_VER5 e_flags values for identifying soft- and hard-float ABI
+// choice.
+enum
+{
+  EF_ARM_ABI_FLOAT_SOFT = 0x200,
+  EF_ARM_ABI_FLOAT_HARD = 0x400,
+};
+
 // Values for the Tag_CPU_arch EABI attribute.
 enum
 {
@@ -239,12 +253,126 @@ enum
   TAG_CPU_ARCH_V6_M,
   TAG_CPU_ARCH_V6S_M,
   TAG_CPU_ARCH_V7E_M,
-  MAX_TAG_CPU_ARCH = TAG_CPU_ARCH_V7E_M,
+  TAG_CPU_ARCH_V8,
+  MAX_TAG_CPU_ARCH = TAG_CPU_ARCH_V8,
   // Pseudo-architecture to allow objects to be compatible with the subset of
   // armv4t and armv6-m.  This value should never be stored in object files.
   TAG_CPU_ARCH_V4T_PLUS_V6_M = (MAX_TAG_CPU_ARCH + 1)
 };
 
+// EABI object attributes.
+enum
+{
+  // 0-3 are generic.
+  Tag_CPU_raw_name = 4,
+  Tag_CPU_name = 5,
+  Tag_CPU_arch = 6,
+  Tag_CPU_arch_profile = 7,
+  Tag_ARM_ISA_use = 8,
+  Tag_THUMB_ISA_use = 9,
+  Tag_FP_arch = 10,
+  Tag_WMMX_arch = 11,
+  Tag_Advanced_SIMD_arch = 12,
+  Tag_PCS_config = 13,
+  Tag_ABI_PCS_R9_use = 14,
+  Tag_ABI_PCS_RW_data = 15,
+  Tag_ABI_PCS_RO_data = 16,
+  Tag_ABI_PCS_GOT_use = 17,
+  Tag_ABI_PCS_wchar_t = 18,
+  Tag_ABI_FP_rounding = 19,
+  Tag_ABI_FP_denormal = 20,
+  Tag_ABI_FP_exceptions = 21,
+  Tag_ABI_FP_user_exceptions = 22,
+  Tag_ABI_FP_number_model = 23,
+  Tag_ABI_align_needed = 24,
+  Tag_ABI_align_preserved = 25,
+  Tag_ABI_enum_size = 26,
+  Tag_ABI_HardFP_use = 27,
+  Tag_ABI_VFP_args = 28,
+  Tag_ABI_WMMX_args = 29,
+  Tag_ABI_optimization_goals = 30,
+  Tag_ABI_FP_optimization_goals = 31,
+  // 32 is generic (Tag_compatibility).
+  Tag_undefined33 = 33,
+  Tag_CPU_unaligned_access = 34,
+  Tag_undefined35 = 35,
+  Tag_FP_HP_extension = 36,
+  Tag_undefined37 = 37,
+  Tag_ABI_FP_16bit_format = 38,
+  Tag_undefined39 = 39,
+  Tag_undefined40 = 40,
+  Tag_undefined41 = 41,
+  Tag_MPextension_use = 42,
+  Tag_undefined43 = 43,
+  Tag_DIV_use = 44,
+  Tag_MVE_arch = 48,
+  Tag_nodefaults = 64,
+  Tag_also_compatible_with = 65,
+  Tag_T2EE_use = 66,
+  Tag_conformance = 67,
+  Tag_Virtualization_use = 68,
+  Tag_undefined69 = 69,
+  Tag_MPextension_use_legacy = 70,
+
+  // The following tags are legacy names for other tags.
+  Tag_VFP_arch = Tag_FP_arch,
+  Tag_ABI_align8_needed = Tag_ABI_align_needed,
+  Tag_ABI_align8_preserved = Tag_ABI_align_preserved,
+  Tag_VFP_HP_extension = Tag_FP_HP_extension
+};
+
+// Values for Tag_ABI_PCS_R9_use.
+enum
+{
+  AEABI_R9_V6 = 0,
+  AEABI_R9_SB = 1,
+  AEABI_R9_TLS = 2,
+  AEABI_R9_unused = 3
+};
+
+// Values for Tag_ABI_PCS_RW_data.
+enum
+{
+  AEABI_PCS_RW_data_absolute = 0,
+  AEABI_PCS_RW_data_PCrel = 1,
+  AEABI_PCS_RW_data_SBrel = 2,
+  AEABI_PCS_RW_data_unused = 3
+};
+
+// Values for Tag_ABI_enum_size.
+enum
+{
+  AEABI_enum_unused = 0,
+  AEABI_enum_short = 1,
+  AEABI_enum_wide = 2,
+  AEABI_enum_forced_wide = 3
+};
+
+// Values for Tag_ABI_FP_number_model.
+enum
+{
+  AEABI_FP_number_model_none = 0,
+  AEABI_FP_number_model_ieee754_number = 1,
+  AEABI_FP_number_model_rtabi = 2,
+  AEABI_FP_number_model_ieee754_all = 3
+};
+
+// Values for Tag_ABI_VFP_args.
+enum
+{
+  AEABI_VFP_args_base = 0,
+  AEABI_VFP_args_vfp = 1,
+  AEABI_VFP_args_toolchain = 2,
+  AEABI_VFP_args_compatible = 3
+};
+
+// For Exception Index Table. (Exception handling ABI for the ARM
+// architectue, Section 5)
+enum
+{
+  EXIDX_CANTUNWIND = 1,
+};
+
 } // End namespace elfcpp.
 
 #endif // !defined(ELFCPP_ARM_H)