Add support for ARMv8-M Mainline with DSP extension

[deliverable/binutils-gdb.git] / include / elf / arm.h

diff --git a/include/elf/arm.h b/include/elf/arm.h
index 82c1698aabf1fc8cb63c18ab3c90fea8342f22fc..bd9fd8bcf540933cf99957e1c138b479a83958ca 100644 (file)
--- a/include/elf/arm.h
+++ b/include/elf/arm.h
@@ -1,11 +1,11 @@
 /* ARM ELF support for BFD.
 /* ARM ELF support for BFD.

-   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1998-2016 Free Software Foundation, Inc.

 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or

    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -15,7 +15,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software Foundation,
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software Foundation,

-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

 
 #ifndef _ELF_ARM_H
 #define _ELF_ARM_H
 
 #ifndef _ELF_ARM_H
 #define _ELF_ARM_H


@@ -24,75 +24,345 @@
 
 /* Processor specific flags for the ELF header e_flags field.  */
 #define EF_ARM_RELEXEC     0x01
 
 /* Processor specific flags for the ELF header e_flags field.  */
 #define EF_ARM_RELEXEC     0x01

-#define EF_ARM_HASENTRY    0x02
-#define EF_INTERWORK       0x04
-#define EF_APCS_26         0x08
-#define EF_APCS_FLOAT      0x10
-#define EF_PIC             0x20
-#define EF_ALIGN8         0x40         /* 8-bit structure alignment is in use */
-#define EF_NEW_ABI         0x80
-#define EF_OLD_ABI         0x100
-#define EF_SOFT_FLOAT      0x200
+#define EF_ARM_INTERWORK   0x04
+#define EF_ARM_APCS_26     0x08
+#define EF_ARM_APCS_FLOAT  0x10
+#define EF_ARM_PIC         0x20
+#define EF_ARM_ALIGN8     0x40         /* 8-bit structure alignment is in use.  */
+#define EF_ARM_NEW_ABI     0x80
+#define EF_ARM_OLD_ABI     0x100
+#define EF_ARM_SOFT_FLOAT  0x200
+#define EF_ARM_VFP_FLOAT   0x400
+#define EF_ARM_MAVERICK_FLOAT 0x800
+
+/* Frame unwind information */
+#define PT_ARM_EXIDX (PT_LOPROC + 1)
+
+/* Other constants defined in the ARM ELF spec. version B-01.  */
+#define EF_ARM_SYMSARESORTED 0x04      /* NB conflicts with EF_INTERWORK.  */
+#define EF_ARM_DYNSYMSUSESEGIDX 0x08   /* NB conflicts with EF_APCS26.  */
+#define EF_ARM_MAPSYMSFIRST 0x10       /* NB conflicts with EF_APCS_FLOAT.  */
+#define EF_ARM_EABIMASK      0xFF000000
+
+/* New constants defined in the ARM ELF spec. version XXX.
+   Only valid in conjunction with EF_ARM_EABI_VER5. */
+#define EF_ARM_ABI_FLOAT_SOFT 0x200    /* NB conflicts with EF_ARM_SOFT_FLOAT.  */
+#define EF_ARM_ABI_FLOAT_HARD 0x400    /* NB conflicts with EF_ARM_VFP_FLOAT.  */
+
+/* Constants defined in AAELF.  */
+#define EF_ARM_BE8         0x00800000
+#define EF_ARM_LE8         0x00400000
+
+#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
+#define EF_ARM_EABI_UNKNOWN  0x00000000
+#define EF_ARM_EABI_VER1     0x01000000
+#define EF_ARM_EABI_VER2     0x02000000
+#define EF_ARM_EABI_VER3     0x03000000
+#define EF_ARM_EABI_VER4     0x04000000
+#define EF_ARM_EABI_VER5     0x05000000

 
 /* Local aliases for some flags to match names used by COFF port.  */
 
 /* Local aliases for some flags to match names used by COFF port.  */

-#define F_INTERWORK       EF_INTERWORK
-#define F_APCS26          EF_APCS_26
-#define F_APCS_FLOAT      EF_APCS_FLOAT
-#define F_PIC              EF_PIC
-#define F_SOFT_FLOAT      EF_SOFT_FLOAT
+#define F_INTERWORK       EF_ARM_INTERWORK
+#define F_APCS26          EF_ARM_APCS_26
+#define F_APCS_FLOAT      EF_ARM_APCS_FLOAT
+#define F_PIC              EF_ARM_PIC
+#define F_SOFT_FLOAT      EF_ARM_SOFT_FLOAT
+#define F_VFP_FLOAT       EF_ARM_VFP_FLOAT
+
+/* Additional symbol types for Thumb.  */
+#define STT_ARM_TFUNC      STT_LOPROC   /* A Thumb function.  */
+#define STT_ARM_16BIT      STT_HIPROC   /* A Thumb label.  */

 
 

-/* Additional symbol types for Thumb */
-#define STT_ARM_TFUNC     0xd
+/* Additional section types.  */
+#define SHT_ARM_EXIDX         0x70000001       /* Section holds ARM unwind info.  */
+#define SHT_ARM_PREEMPTMAP     0x70000002      /* Section pre-emption details.  */
+#define SHT_ARM_ATTRIBUTES     0x70000003      /* Section holds attributes.  */
+#define SHT_ARM_DEBUGOVERLAY   0x70000004      /* Section holds overlay debug info.  */
+#define SHT_ARM_OVERLAYSECTION 0x70000005      /* Section holds GDB and overlay integration info.  */

 
 

-/* ARM-specific values for sh_flags */
-#define SHF_ENTRYSECT      0x10000000   /* Section contains an entry point */
-#define SHF_COMDEF         0x80000000   /* Section may be multiply defined in the input to a link step */
+/* ARM-specific values for sh_flags.  */
+#define SHF_ENTRYSECT      0x10000000   /* Section contains an entry point.  */
+#define SHF_ARM_NOREAD     0x20000000   /* Section contains code that can be place on no read memory area.  */
+#define SHF_COMDEF         0x80000000   /* Section may be multiply defined in the input to a link step.  */

 
 

-/* ARM-specific program header flags */
-#define PF_ARM_SB          0x10000000   /* Segment contains the location addressed by the static base */
+/* ARM-specific program header flags.  */
+#define PF_ARM_SB          0x10000000   /* Segment contains the location addressed by the static base.  */
+#define PF_ARM_PI          0x20000000   /* Segment is position-independent.  */
+#define PF_ARM_ABS         0x40000000   /* Segment must be loaded at its base address.  */
+
+/* Values for the Tag_CPU_arch EABI attribute.  */
+#define TAG_CPU_ARCH_PRE_V4    0
+#define TAG_CPU_ARCH_V4                1
+#define TAG_CPU_ARCH_V4T       2
+#define TAG_CPU_ARCH_V5T       3
+#define TAG_CPU_ARCH_V5TE      4
+#define TAG_CPU_ARCH_V5TEJ     5
+#define TAG_CPU_ARCH_V6                6
+#define TAG_CPU_ARCH_V6KZ      7
+#define TAG_CPU_ARCH_V6T2      8
+#define TAG_CPU_ARCH_V6K       9
+#define TAG_CPU_ARCH_V7                10
+#define TAG_CPU_ARCH_V6_M      11
+#define TAG_CPU_ARCH_V6S_M     12
+#define TAG_CPU_ARCH_V7E_M     13
+#define TAG_CPU_ARCH_V8                14
+#define TAG_CPU_ARCH_V8M_BASE  16
+#define TAG_CPU_ARCH_V8M_MAIN  17
+#define MAX_TAG_CPU_ARCH       TAG_CPU_ARCH_V8M_MAIN
+/* 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.  */
+#define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1)

 
 /* Relocation types.  */
 
 /* Relocation types.  */

+

 START_RELOC_NUMBERS (elf_arm_reloc_type)
 START_RELOC_NUMBERS (elf_arm_reloc_type)

-  RELOC_NUMBER (R_ARM_NONE,         0)
-  RELOC_NUMBER (R_ARM_PC24,         1)
-  RELOC_NUMBER (R_ARM_ABS32,        2)
-  RELOC_NUMBER (R_ARM_REL32,        3)
-  RELOC_NUMBER (R_ARM_PC13,         4)
-  RELOC_NUMBER (R_ARM_ABS16,        5)
-  RELOC_NUMBER (R_ARM_ABS12,        6)
-  RELOC_NUMBER (R_ARM_THM_ABS5,     7)
-  RELOC_NUMBER (R_ARM_ABS8,         8)
-  RELOC_NUMBER (R_ARM_SBREL32,      9)
-  RELOC_NUMBER (R_ARM_THM_PC22,    10)
-  RELOC_NUMBER (R_ARM_THM_PC8,     11)
-  RELOC_NUMBER (R_ARM_AMP_VCALL9,  12)
-  RELOC_NUMBER (R_ARM_SWI24,       13)
-  RELOC_NUMBER (R_ARM_THM_SWI8,    14)
-  RELOC_NUMBER (R_ARM_XPC25,       15)
-  RELOC_NUMBER (R_ARM_THM_XPC22,   16)
-  RELOC_NUMBER (R_ARM_COPY,        20)       /* copy symbol at runtime */
-  RELOC_NUMBER (R_ARM_GLOB_DAT,    21)       /* create GOT entry */
-  RELOC_NUMBER (R_ARM_JUMP_SLOT,   22)       /* create PLT entry */
-  RELOC_NUMBER (R_ARM_RELATIVE,    23)       /* adjust by program base */
-  RELOC_NUMBER (R_ARM_GOTOFF,      24)       /* 32 bit offset to GOT */
-  RELOC_NUMBER (R_ARM_GOTPC,       25)       /* 32 bit PC relative offset to GOT */
-  RELOC_NUMBER (R_ARM_GOT32,       26)       /* 32 bit GOT entry */
-  RELOC_NUMBER (R_ARM_PLT32,       27)       /* 32 bit PLT address */
-  FAKE_RELOC   (FIRST_INVALID_RELOC1, 28)
-  FAKE_RELOC   (LAST_INVALID_RELOC1,  99)
-  RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100)
-  RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101)
-  RELOC_NUMBER (R_ARM_THM_PC11,    102)       /* cygnus extension to abi: thumb unconditional branch */
-  RELOC_NUMBER (R_ARM_THM_PC9,     103)       /* cygnus extension to abi: thumb conditional branch */
-  FAKE_RELOC   (FIRST_INVALID_RELOC2, 104)
-  FAKE_RELOC   (LAST_INVALID_RELOC2,  248)
-  RELOC_NUMBER (R_ARM_RXPC25,     249)
-  RELOC_NUMBER (R_ARM_RSBREL32,   250)
-  RELOC_NUMBER (R_ARM_THM_RPC22,  251)
-  RELOC_NUMBER (R_ARM_RREL32,     252)
-  RELOC_NUMBER (R_ARM_RABS32,     253)
-  RELOC_NUMBER (R_ARM_RPC24,      254)
-  RELOC_NUMBER (R_ARM_RBASE,      255)
-END_RELOC_NUMBERS
+/* AAELF official names and numbers.  */
+  RELOC_NUMBER (R_ARM_NONE,                      0)
+  RELOC_NUMBER (R_ARM_PC24,                      1)   /* deprecated */
+  RELOC_NUMBER (R_ARM_ABS32,                     2)
+  RELOC_NUMBER (R_ARM_REL32,                     3)
+  RELOC_NUMBER (R_ARM_LDR_PC_G0,                 4)
+  RELOC_NUMBER (R_ARM_ABS16,                     5)
+  RELOC_NUMBER (R_ARM_ABS12,                     6)
+  RELOC_NUMBER (R_ARM_THM_ABS5,                  7)
+  RELOC_NUMBER (R_ARM_ABS8,                      8)
+  RELOC_NUMBER (R_ARM_SBREL32,                   9)
+  RELOC_NUMBER (R_ARM_THM_CALL,                 10)
+  RELOC_NUMBER (R_ARM_THM_PC8,                  11)
+  RELOC_NUMBER (R_ARM_BREL_ADJ,                 12)
+  RELOC_NUMBER (R_ARM_TLS_DESC,          13)
+  RELOC_NUMBER (R_ARM_THM_SWI8,                 14)   /* obsolete */
+  RELOC_NUMBER (R_ARM_XPC25,                    15)   /* obsolete */
+  RELOC_NUMBER (R_ARM_THM_XPC22,                16)   /* obsolete */
+  RELOC_NUMBER (R_ARM_TLS_DTPMOD32,             17)
+  RELOC_NUMBER (R_ARM_TLS_DTPOFF32,             18)
+  RELOC_NUMBER (R_ARM_TLS_TPOFF32,              19)
+  RELOC_NUMBER (R_ARM_COPY,                     20)   /* Copy symbol at runtime.  */
+  RELOC_NUMBER (R_ARM_GLOB_DAT,                 21)   /* Create GOT entry.  */
+  RELOC_NUMBER (R_ARM_JUMP_SLOT,                22)   /* Create PLT entry.  */
+  RELOC_NUMBER (R_ARM_RELATIVE,                 23)   /* Adjust by program base.  */
+  RELOC_NUMBER (R_ARM_GOTOFF32,                 24)   /* 32 bit offset to GOT.  */
+  RELOC_NUMBER (R_ARM_BASE_PREL,                25)   /* 32 bit PC relative offset to GOT.  */
+  RELOC_NUMBER (R_ARM_GOT_BREL,                 26)   /* 32 bit GOT entry.  */
+  RELOC_NUMBER (R_ARM_PLT32,                    27)   /* deprecated - 32 bit PLT address.  */
+  RELOC_NUMBER (R_ARM_CALL,                     28)
+  RELOC_NUMBER (R_ARM_JUMP24,                   29)
+  RELOC_NUMBER (R_ARM_THM_JUMP24,               30)
+  RELOC_NUMBER (R_ARM_BASE_ABS,                 31)
+  RELOC_NUMBER (R_ARM_ALU_PCREL7_0,             32)   /* obsolete */
+  RELOC_NUMBER (R_ARM_ALU_PCREL15_8,            33)   /* obsolete */
+  RELOC_NUMBER (R_ARM_ALU_PCREL23_15,           34)   /* obsolete */
+  RELOC_NUMBER (R_ARM_LDR_SBREL_11_0,           35)   /* deprecated, should have _NC suffix */
+  RELOC_NUMBER (R_ARM_ALU_SBREL_19_12,          36)   /* deprecated, should have _NC suffix */
+  RELOC_NUMBER (R_ARM_ALU_SBREL_27_20,          37)   /* deprecated, should have _CK suffix */
+  RELOC_NUMBER (R_ARM_TARGET1,                  38)
+  RELOC_NUMBER (R_ARM_SBREL31,                  39)   /* deprecated */
+  RELOC_NUMBER (R_ARM_V4BX,                     40)
+  RELOC_NUMBER (R_ARM_TARGET2,          41)
+  RELOC_NUMBER (R_ARM_PREL31,           42)
+  RELOC_NUMBER (R_ARM_MOVW_ABS_NC,              43)
+  RELOC_NUMBER (R_ARM_MOVT_ABS,                 44)
+  RELOC_NUMBER (R_ARM_MOVW_PREL_NC,             45)
+  RELOC_NUMBER (R_ARM_MOVT_PREL,                46)
+  RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC,          47)
+  RELOC_NUMBER (R_ARM_THM_MOVT_ABS,             48)
+  RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC,         49)
+  RELOC_NUMBER (R_ARM_THM_MOVT_PREL,            50)
+  RELOC_NUMBER (R_ARM_THM_JUMP19,               51)
+  RELOC_NUMBER (R_ARM_THM_JUMP6,                52)
+  RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53)
+  RELOC_NUMBER (R_ARM_THM_PC12,                 54)
+  RELOC_NUMBER (R_ARM_ABS32_NOI,                55)
+  RELOC_NUMBER (R_ARM_REL32_NOI,                56)
+  RELOC_NUMBER (R_ARM_ALU_PC_G0_NC,      57)
+  RELOC_NUMBER (R_ARM_ALU_PC_G0,         58)
+  RELOC_NUMBER (R_ARM_ALU_PC_G1_NC,      59)
+  RELOC_NUMBER (R_ARM_ALU_PC_G1,         60)
+  RELOC_NUMBER (R_ARM_ALU_PC_G2,         61)
+  RELOC_NUMBER (R_ARM_LDR_PC_G1,         62)
+  RELOC_NUMBER (R_ARM_LDR_PC_G2,         63)
+  RELOC_NUMBER (R_ARM_LDRS_PC_G0,        64)
+  RELOC_NUMBER (R_ARM_LDRS_PC_G1,        65)
+  RELOC_NUMBER (R_ARM_LDRS_PC_G2,        66)
+  RELOC_NUMBER (R_ARM_LDC_PC_G0,         67)
+  RELOC_NUMBER (R_ARM_LDC_PC_G1,         68)
+  RELOC_NUMBER (R_ARM_LDC_PC_G2,         69)
+  RELOC_NUMBER (R_ARM_ALU_SB_G0_NC,      70)
+  RELOC_NUMBER (R_ARM_ALU_SB_G0,         71)
+  RELOC_NUMBER (R_ARM_ALU_SB_G1_NC,      72)
+  RELOC_NUMBER (R_ARM_ALU_SB_G1,         73)
+  RELOC_NUMBER (R_ARM_ALU_SB_G2,         74)
+  RELOC_NUMBER (R_ARM_LDR_SB_G0,         75)
+  RELOC_NUMBER (R_ARM_LDR_SB_G1,         76)
+  RELOC_NUMBER (R_ARM_LDR_SB_G2,         77)
+  RELOC_NUMBER (R_ARM_LDRS_SB_G0,        78)
+  RELOC_NUMBER (R_ARM_LDRS_SB_G1,        79)
+  RELOC_NUMBER (R_ARM_LDRS_SB_G2,        80)
+  RELOC_NUMBER (R_ARM_LDC_SB_G0,         81)
+  RELOC_NUMBER (R_ARM_LDC_SB_G1,         82)
+  RELOC_NUMBER (R_ARM_LDC_SB_G2,         83)
+  RELOC_NUMBER (R_ARM_MOVW_BREL_NC,             84)
+  RELOC_NUMBER (R_ARM_MOVT_BREL,                85)
+  RELOC_NUMBER (R_ARM_MOVW_BREL,                86)
+  RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC,         87)
+  RELOC_NUMBER (R_ARM_THM_MOVT_BREL,            88)
+  RELOC_NUMBER (R_ARM_THM_MOVW_BREL,            89)
+  RELOC_NUMBER (R_ARM_TLS_GOTDESC,       90)
+  RELOC_NUMBER (R_ARM_TLS_CALL,          91)
+  RELOC_NUMBER (R_ARM_TLS_DESCSEQ,       92)
+  RELOC_NUMBER (R_ARM_THM_TLS_CALL,      93)
+  RELOC_NUMBER (R_ARM_PLT32_ABS,                94)
+  RELOC_NUMBER (R_ARM_GOT_ABS,          95)
+  RELOC_NUMBER (R_ARM_GOT_PREL,                 96)
+  RELOC_NUMBER (R_ARM_GOT_BREL12,               97)
+  RELOC_NUMBER (R_ARM_GOTOFF12,                 98)
+  RELOC_NUMBER (R_ARM_GOTRELAX,                 99)
+  RELOC_NUMBER (R_ARM_GNU_VTENTRY,     100)   /* deprecated - old C++ abi */
+  RELOC_NUMBER (R_ARM_GNU_VTINHERIT,   101)   /* deprecated - old C++ abi */
+  RELOC_NUMBER (R_ARM_THM_JUMP11,      102)
+  RELOC_NUMBER (R_ARM_THM_JUMP8,       103)
+  RELOC_NUMBER (R_ARM_TLS_GD32,                104)
+  RELOC_NUMBER (R_ARM_TLS_LDM32,       105)
+  RELOC_NUMBER (R_ARM_TLS_LDO32,       106)
+  RELOC_NUMBER (R_ARM_TLS_IE32,        107)
+  RELOC_NUMBER (R_ARM_TLS_LE32,                108)
+  RELOC_NUMBER (R_ARM_TLS_LDO12,       109)
+  RELOC_NUMBER (R_ARM_TLS_LE12,                110)
+  RELOC_NUMBER (R_ARM_TLS_IE12GP,      111)
+  /* 112 - 127 private range */
+  RELOC_NUMBER (R_ARM_ME_TOO,          128)   /* obsolete */
+  RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ  ,129)
+
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G0_NC,132)
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G1_NC,133)
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G2_NC,134)
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135)
+
+  RELOC_NUMBER (R_ARM_IRELATIVE,       160)
+
+  /* Extensions?  R=read-only?  */
+  RELOC_NUMBER (R_ARM_RXPC25,          249)
+  RELOC_NUMBER (R_ARM_RSBREL32,        250)
+  RELOC_NUMBER (R_ARM_THM_RPC22,       251)
+  RELOC_NUMBER (R_ARM_RREL32,          252)
+  RELOC_NUMBER (R_ARM_RABS32,          253)
+  RELOC_NUMBER (R_ARM_RPC24,           254)
+  RELOC_NUMBER (R_ARM_RBASE,           255)
+
+  /* Unofficial names for some of the relocs.  */
+  FAKE_RELOC (R_ARM_GOTOFF,             R_ARM_GOTOFF32)   /* 32 bit offset to GOT.  */
+  FAKE_RELOC (R_ARM_THM_PC22,           R_ARM_THM_CALL)
+  FAKE_RELOC (R_ARM_THM_PC11,           R_ARM_THM_JUMP11)
+  FAKE_RELOC (R_ARM_THM_PC9,            R_ARM_THM_JUMP8)

 
 

+  /* Relocs with both a different name, and (apparently) different meaning in
+     GNU usage.  */
+  FAKE_RELOC (R_ARM_GOTPC,              R_ARM_BASE_PREL)  /* 32 bit PC relative offset to GOT.  */
+  FAKE_RELOC (R_ARM_GOT32,              R_ARM_GOT_BREL)   /* 32 bit GOT entry.  */
+  FAKE_RELOC (R_ARM_ROSEGREL32,         R_ARM_SBREL31)    /* ??? */
+  FAKE_RELOC (R_ARM_AMP_VCALL9,         R_ARM_BREL_ADJ)   /* Thumb-something.  Not used.  */
+
+END_RELOC_NUMBERS (R_ARM_max = 256)
+
+#ifdef BFD_ARCH_SIZE
+/* EABI object attributes.  */
+
+enum
+{
+  /* 0-3 are generic.  */
+  Tag_CPU_raw_name = 4,
+  Tag_CPU_name,
+  Tag_CPU_arch,
+  Tag_CPU_arch_profile,
+  Tag_ARM_ISA_use,
+  Tag_THUMB_ISA_use,
+  Tag_FP_arch,
+  Tag_WMMX_arch,
+  Tag_Advanced_SIMD_arch,
+  Tag_PCS_config,
+  Tag_ABI_PCS_R9_use,
+  Tag_ABI_PCS_RW_data,
+  Tag_ABI_PCS_RO_data,
+  Tag_ABI_PCS_GOT_use,
+  Tag_ABI_PCS_wchar_t,
+  Tag_ABI_FP_rounding,
+  Tag_ABI_FP_denormal,
+  Tag_ABI_FP_exceptions,
+  Tag_ABI_FP_user_exceptions,
+  Tag_ABI_FP_number_model,
+  Tag_ABI_align_needed,
+  Tag_ABI_align_preserved,
+  Tag_ABI_enum_size,
+  Tag_ABI_HardFP_use,
+  Tag_ABI_VFP_args,
+  Tag_ABI_WMMX_args,
+  Tag_ABI_optimization_goals,
+  Tag_ABI_FP_optimization_goals,
+  /* 32 is generic (Tag_compatibility).  */
+  Tag_undefined33 = 33,
+  Tag_CPU_unaligned_access,
+  Tag_undefined35,
+  Tag_FP_HP_extension,
+  Tag_undefined37,
+  Tag_ABI_FP_16bit_format,
+  Tag_undefined39,
+  Tag_undefined40,
+  Tag_undefined41,
+  Tag_MPextension_use,
+  Tag_undefined_43,
+  Tag_DIV_use,
+  Tag_DSP_extension = 46,
+  Tag_nodefaults = 64,
+  Tag_also_compatible_with,
+  Tag_T2EE_use,
+  Tag_conformance,
+  Tag_Virtualization_use,
+  Tag_undefined69,
+  Tag_MPextension_use_legacy,
+
+  /* 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_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
+};

 #endif
 #endif

+
+/* The name of the note section used to identify arm variants.  */
+#define ARM_NOTE_SECTION ".note.gnu.arm.ident"
+
+/* Special section names.  */
+#define ELF_STRING_ARM_unwind           ".ARM.exidx"
+#define ELF_STRING_ARM_unwind_info      ".ARM.extab"
+#define ELF_STRING_ARM_unwind_once      ".gnu.linkonce.armexidx."
+#define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab."
+
+enum arm_st_branch_type {
+  ST_BRANCH_TO_ARM,
+  ST_BRANCH_TO_THUMB,
+  ST_BRANCH_LONG,
+  ST_BRANCH_UNKNOWN
+};
+
+#define ARM_SYM_BRANCH_TYPE(SYM) \
+  ((enum arm_st_branch_type) (SYM)->st_target_internal)
+
+#endif /* _ELF_ARM_H */