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

/* ARM ELF support for BFD.
   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2009, 2010
   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
   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,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifndef _ELF_ARM_H
#define _ELF_ARM_H

#include "elf/reloc-macros.h"

/* Processor specific flags for the ELF header e_flags field.  */
#define EF_ARM_RELEXEC     0x01
#define EF_ARM_HASENTRY    0x02
#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

/* 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.  */
#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 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 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 MAX_TAG_CPU_ARCH	13
/* 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.  */

START_RELOC_NUMBERS (elf_arm_reloc_type)
/* 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)

  /* 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_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
};

#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."

#endif /* _ELF_ARM_H */
Commit	Line	Data
252b5132	1	/* ARM ELF support for BFD.
e4e42b45	2	Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2009, 2010
c3aa17e9	3	Free Software Foundation, Inc.
252b5132 RH	4
	5	This file is part of BFD, the Binary File Descriptor library.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
e4e42b45	9	the Free Software Foundation; either version 3 of the License, or
252b5132 RH	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software Foundation,
e172dbf8	19	Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
252b5132 RH	20
	21	#ifndef _ELF_ARM_H
	22	#define _ELF_ARM_H
	23
	24	#include "elf/reloc-macros.h"
	25
	26	/* Processor specific flags for the ELF header e_flags field. */
	27	#define EF_ARM_RELEXEC 0x01
	28	#define EF_ARM_HASENTRY 0x02
2a7a4624 PB	29	#define EF_ARM_INTERWORK 0x04
	30	#define EF_ARM_APCS_26 0x08
	31	#define EF_ARM_APCS_FLOAT 0x10
	32	#define EF_ARM_PIC 0x20
	33	#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */
	34	#define EF_ARM_NEW_ABI 0x80
	35	#define EF_ARM_OLD_ABI 0x100
	36	#define EF_ARM_SOFT_FLOAT 0x200
ca4ebd1e	37	#define EF_ARM_VFP_FLOAT 0x400
fde78edd	38	#define EF_ARM_MAVERICK_FLOAT 0x800
2a7a4624	39
b294bdf8	40	/* Frame unwind information */
c19d1205	41	#define PT_ARM_EXIDX (PT_LOPROC + 1)
b294bdf8	42
2a7a4624	43	/* Other constants defined in the ARM ELF spec. version B-01. */
7f6fed87 NC	44	#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK. */
	45	#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26. */
	46	#define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT. */
ff1c4e0d NC	47	#define EF_ARM_EABIMASK 0xFF000000
ff1c4e0d NC	48
d507cf36 PB	49	/* Constants defined in AAELF. */
	50	#define EF_ARM_BE8 0x00800000
	51	#define EF_ARM_LE8 0x00400000
	52
ff1c4e0d NC	53	#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
	54	#define EF_ARM_EABI_UNKNOWN 0x00000000
	55	#define EF_ARM_EABI_VER1 0x01000000
2a7a4624	56	#define EF_ARM_EABI_VER2 0x02000000
d507cf36	57	#define EF_ARM_EABI_VER3 0x03000000
8cb51566	58	#define EF_ARM_EABI_VER4 0x04000000
3a4a14e9	59	#define EF_ARM_EABI_VER5 0x05000000
ff1c4e0d	60
252b5132	61	/* Local aliases for some flags to match names used by COFF port. */
2a7a4624 PB	62	#define F_INTERWORK EF_ARM_INTERWORK
	63	#define F_APCS26 EF_ARM_APCS_26
	64	#define F_APCS_FLOAT EF_ARM_APCS_FLOAT
	65	#define F_PIC EF_ARM_PIC
	66	#define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT
ca4ebd1e	67	#define F_VFP_FLOAT EF_ARM_VFP_FLOAT
252b5132	68
2f0ca46a NC	69	/* Additional symbol types for Thumb. */
	70	#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */
	71	#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */
252b5132	72
40a18ebd	73	/* Additional section types. */
7f6fed87 NC	74	#define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */
	75	#define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */
	76	#define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */
	77	#define SHT_ARM_DEBUGOVERLAY 0x70000004 /* Section holds overlay debug info. */
	78	#define SHT_ARM_OVERLAYSECTION 0x70000005 /* Section holds GDB and overlay integration info. */
40a18ebd	79
2f0ca46a NC	80	/* ARM-specific values for sh_flags. */
	81	#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
	82	#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */
252b5132	83
2f0ca46a NC	84	/* ARM-specific program header flags. */
2f0ca46a NC	85	#define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */
ff1c4e0d NC	86	#define PF_ARM_PI 0x20000000 /* Segment is position-independent. */
ff1c4e0d NC	87	#define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */
252b5132	88
e95de063	89	/* Values for the Tag_CPU_arch EABI attribute. */
91e22acd AS	90	#define TAG_CPU_ARCH_PRE_V4 0
	91	#define TAG_CPU_ARCH_V4 1
	92	#define TAG_CPU_ARCH_V4T 2
	93	#define TAG_CPU_ARCH_V5T 3
	94	#define TAG_CPU_ARCH_V5TE 4
	95	#define TAG_CPU_ARCH_V5TEJ 5
	96	#define TAG_CPU_ARCH_V6 6
	97	#define TAG_CPU_ARCH_V6KZ 7
	98	#define TAG_CPU_ARCH_V6T2 8
	99	#define TAG_CPU_ARCH_V6K 9
	100	#define TAG_CPU_ARCH_V7 10
	101	#define TAG_CPU_ARCH_V6_M 11
	102	#define TAG_CPU_ARCH_V6S_M 12
9e3c6df6 PB	103	#define TAG_CPU_ARCH_V7E_M 13
9e3c6df6 PB	104	#define MAX_TAG_CPU_ARCH 13
91e22acd AS	105	/* Pseudo-architecture to allow objects to be compatible with the subset of
	106	armv4t and armv6-m. This value should never be stored in object files. */
	107	#define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1)
e95de063	108
252b5132	109	/* Relocation types. */
8725b940	110
252b5132	111	START_RELOC_NUMBERS (elf_arm_reloc_type)
c19d1205 ZW	112	/* AAELF official names and numbers. */
	113	RELOC_NUMBER (R_ARM_NONE, 0)
	114	RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */
	115	RELOC_NUMBER (R_ARM_ABS32, 2)
	116	RELOC_NUMBER (R_ARM_REL32, 3)
c19d1205 ZW	117	RELOC_NUMBER (R_ARM_LDR_PC_G0, 4)
	118	RELOC_NUMBER (R_ARM_ABS16, 5)
	119	RELOC_NUMBER (R_ARM_ABS12, 6)
	120	RELOC_NUMBER (R_ARM_THM_ABS5, 7)
	121	RELOC_NUMBER (R_ARM_ABS8, 8)
	122	RELOC_NUMBER (R_ARM_SBREL32, 9)
	123	RELOC_NUMBER (R_ARM_THM_CALL, 10)
	124	RELOC_NUMBER (R_ARM_THM_PC8, 11)
	125	RELOC_NUMBER (R_ARM_BREL_ADJ, 12)
0855e32b	126	RELOC_NUMBER (R_ARM_TLS_DESC, 13)
c19d1205	127	RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */
c19d1205 ZW	128	RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */
	129	RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */
	130	RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17)
	131	RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18)
	132	RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19)
	133	RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */
	134	RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */
	135	RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */
	136	RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */
	137	RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */
	138	RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */
	139	RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */
	140	RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */
	141	RELOC_NUMBER (R_ARM_CALL, 28)
	142	RELOC_NUMBER (R_ARM_JUMP24, 29)
	143	RELOC_NUMBER (R_ARM_THM_JUMP24, 30)
	144	RELOC_NUMBER (R_ARM_BASE_ABS, 31)
	145	RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */
	146	RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */
	147	RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */
	148	RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */
	149	RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */
	150	RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */
	151	RELOC_NUMBER (R_ARM_TARGET1, 38)
	152	RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */
	153	RELOC_NUMBER (R_ARM_V4BX, 40)
	154	RELOC_NUMBER (R_ARM_TARGET2, 41)
	155	RELOC_NUMBER (R_ARM_PREL31, 42)
	156	RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43)
	157	RELOC_NUMBER (R_ARM_MOVT_ABS, 44)
	158	RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45)
	159	RELOC_NUMBER (R_ARM_MOVT_PREL, 46)
	160	RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47)
	161	RELOC_NUMBER (R_ARM_THM_MOVT_ABS, 48)
	162	RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC, 49)
	163	RELOC_NUMBER (R_ARM_THM_MOVT_PREL, 50)
	164	RELOC_NUMBER (R_ARM_THM_JUMP19, 51)
	165	RELOC_NUMBER (R_ARM_THM_JUMP6, 52)
	166	RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53)
	167	RELOC_NUMBER (R_ARM_THM_PC12, 54)
	168	RELOC_NUMBER (R_ARM_ABS32_NOI, 55)
	169	RELOC_NUMBER (R_ARM_REL32_NOI, 56)
	170	RELOC_NUMBER (R_ARM_ALU_PC_G0_NC, 57)
	171	RELOC_NUMBER (R_ARM_ALU_PC_G0, 58)
	172	RELOC_NUMBER (R_ARM_ALU_PC_G1_NC, 59)
	173	RELOC_NUMBER (R_ARM_ALU_PC_G1, 60)
	174	RELOC_NUMBER (R_ARM_ALU_PC_G2, 61)
	175	RELOC_NUMBER (R_ARM_LDR_PC_G1, 62)
	176	RELOC_NUMBER (R_ARM_LDR_PC_G2, 63)
	177	RELOC_NUMBER (R_ARM_LDRS_PC_G0, 64)
	178	RELOC_NUMBER (R_ARM_LDRS_PC_G1, 65)
	179	RELOC_NUMBER (R_ARM_LDRS_PC_G2, 66)
	180	RELOC_NUMBER (R_ARM_LDC_PC_G0, 67)
	181	RELOC_NUMBER (R_ARM_LDC_PC_G1, 68)
	182	RELOC_NUMBER (R_ARM_LDC_PC_G2, 69)
	183	RELOC_NUMBER (R_ARM_ALU_SB_G0_NC, 70)
	184	RELOC_NUMBER (R_ARM_ALU_SB_G0, 71)
	185	RELOC_NUMBER (R_ARM_ALU_SB_G1_NC, 72)
	186	RELOC_NUMBER (R_ARM_ALU_SB_G1, 73)
	187	RELOC_NUMBER (R_ARM_ALU_SB_G2, 74)
	188	RELOC_NUMBER (R_ARM_LDR_SB_G0, 75)
	189	RELOC_NUMBER (R_ARM_LDR_SB_G1, 76)
	190	RELOC_NUMBER (R_ARM_LDR_SB_G2, 77)
	191	RELOC_NUMBER (R_ARM_LDRS_SB_G0, 78)
192	RELOC_NUMBER (R_ARM_LDRS_SB_G1, 79)
193	RELOC_NUMBER (R_ARM_LDRS_SB_G2, 80)
4962c51a MS	194	RELOC_NUMBER (R_ARM_LDC_SB_G0, 81)
	195	RELOC_NUMBER (R_ARM_LDC_SB_G1, 82)
	196	RELOC_NUMBER (R_ARM_LDC_SB_G2, 83)
c19d1205 ZW	197	RELOC_NUMBER (R_ARM_MOVW_BREL_NC, 84)
	198	RELOC_NUMBER (R_ARM_MOVT_BREL, 85)
	199	RELOC_NUMBER (R_ARM_MOVW_BREL, 86)
	200	RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC, 87)
	201	RELOC_NUMBER (R_ARM_THM_MOVT_BREL, 88)
	202	RELOC_NUMBER (R_ARM_THM_MOVW_BREL, 89)
0855e32b NS	203	RELOC_NUMBER (R_ARM_TLS_GOTDESC, 90)
	204	RELOC_NUMBER (R_ARM_TLS_CALL, 91)
	205	RELOC_NUMBER (R_ARM_TLS_DESCSEQ, 92)
	206	RELOC_NUMBER (R_ARM_THM_TLS_CALL, 93)
c19d1205 ZW	207	RELOC_NUMBER (R_ARM_PLT32_ABS, 94)
	208	RELOC_NUMBER (R_ARM_GOT_ABS, 95)
	209	RELOC_NUMBER (R_ARM_GOT_PREL, 96)
	210	RELOC_NUMBER (R_ARM_GOT_BREL12, 97)
	211	RELOC_NUMBER (R_ARM_GOTOFF12, 98)
	212	RELOC_NUMBER (R_ARM_GOTRELAX, 99)
c19d1205 ZW	213	RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) /* deprecated - old C++ abi */
	214	RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) /* deprecated - old C++ abi */
	215	RELOC_NUMBER (R_ARM_THM_JUMP11, 102)
	216	RELOC_NUMBER (R_ARM_THM_JUMP8, 103)
c19d1205 ZW	217	RELOC_NUMBER (R_ARM_TLS_GD32, 104)
	218	RELOC_NUMBER (R_ARM_TLS_LDM32, 105)
	219	RELOC_NUMBER (R_ARM_TLS_LDO32, 106)
	220	RELOC_NUMBER (R_ARM_TLS_IE32, 107)
	221	RELOC_NUMBER (R_ARM_TLS_LE32, 108)
	222	RELOC_NUMBER (R_ARM_TLS_LDO12, 109)
	223	RELOC_NUMBER (R_ARM_TLS_LE12, 110)
	224	RELOC_NUMBER (R_ARM_TLS_IE12GP, 111)
	225	/* 112 - 127 private range */
	226	RELOC_NUMBER (R_ARM_ME_TOO, 128) /* obsolete */
0855e32b	227	RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ ,129)
c19d1205 ZW	228
	229	/* Extensions? R=read-only? */
	230	RELOC_NUMBER (R_ARM_RXPC25, 249)
	231	RELOC_NUMBER (R_ARM_RSBREL32, 250)
	232	RELOC_NUMBER (R_ARM_THM_RPC22, 251)
	233	RELOC_NUMBER (R_ARM_RREL32, 252)
	234	RELOC_NUMBER (R_ARM_RABS32, 253)
	235	RELOC_NUMBER (R_ARM_RPC24, 254)
	236	RELOC_NUMBER (R_ARM_RBASE, 255)
	237
	238	/* Unofficial names for some of the relocs. */
	239	FAKE_RELOC (R_ARM_GOTOFF, R_ARM_GOTOFF32) /* 32 bit offset to GOT. */
	240	FAKE_RELOC (R_ARM_THM_PC22, R_ARM_THM_CALL)
	241	FAKE_RELOC (R_ARM_THM_PC11, R_ARM_THM_JUMP11)
	242	FAKE_RELOC (R_ARM_THM_PC9, R_ARM_THM_JUMP8)
	243
	244	/* Relocs with both a different name, and (apparently) different meaning in
	245	GNU usage. */
	246	FAKE_RELOC (R_ARM_GOTPC, R_ARM_BASE_PREL) /* 32 bit PC relative offset to GOT. */
	247	FAKE_RELOC (R_ARM_GOT32, R_ARM_GOT_BREL) /* 32 bit GOT entry. */
	248	FAKE_RELOC (R_ARM_ROSEGREL32, R_ARM_SBREL31) /* ??? */
	249	FAKE_RELOC (R_ARM_AMP_VCALL9, R_ARM_BREL_ADJ) /* Thumb-something. Not used. */
7c90103b NC	250
7c90103b NC	251	END_RELOC_NUMBERS (R_ARM_max = 256)
252b5132	252
ee065d83	253	#ifdef BFD_ARCH_SIZE
104d59d1	254	/* EABI object attributes. */
ee065d83 PB	255
	256	enum
	257	{
104d59d1 JM	258	/* 0-3 are generic. */
104d59d1 JM	259	Tag_CPU_raw_name = 4,
ee065d83 PB	260	Tag_CPU_name,
	261	Tag_CPU_arch,
	262	Tag_CPU_arch_profile,
	263	Tag_ARM_ISA_use,
	264	Tag_THUMB_ISA_use,
75375b3e	265	Tag_FP_arch,
ee065d83	266	Tag_WMMX_arch,
91e22acd	267	Tag_Advanced_SIMD_arch,
ee065d83 PB	268	Tag_PCS_config,
	269	Tag_ABI_PCS_R9_use,
	270	Tag_ABI_PCS_RW_data,
	271	Tag_ABI_PCS_RO_data,
	272	Tag_ABI_PCS_GOT_use,
	273	Tag_ABI_PCS_wchar_t,
	274	Tag_ABI_FP_rounding,
	275	Tag_ABI_FP_denormal,
	276	Tag_ABI_FP_exceptions,
	277	Tag_ABI_FP_user_exceptions,
	278	Tag_ABI_FP_number_model,
75375b3e MGD	279	Tag_ABI_align_needed,
75375b3e MGD	280	Tag_ABI_align_preserved,
ee065d83 PB	281	Tag_ABI_enum_size,
	282	Tag_ABI_HardFP_use,
	283	Tag_ABI_VFP_args,
	284	Tag_ABI_WMMX_args,
	285	Tag_ABI_optimization_goals,
	286	Tag_ABI_FP_optimization_goals,
91e22acd	287	/* 32 is generic (Tag_compatibility). */
8e79c3df CM	288	Tag_undefined33 = 33,
8e79c3df CM	289	Tag_CPU_unaligned_access,
91e22acd	290	Tag_undefined35,
75375b3e	291	Tag_FP_HP_extension,
8e79c3df	292	Tag_undefined37,
91e22acd AS	293	Tag_ABI_FP_16bit_format,
91e22acd AS	294	Tag_undefined39,
cd21e546 MGD	295	Tag_undefined40,
	296	Tag_undefined41,
	297	Tag_MPextension_use,
	298	Tag_undefined_43,
	299	Tag_DIV_use,
91e22acd AS	300	Tag_nodefaults = 64,
	301	Tag_also_compatible_with,
	302	Tag_T2EE_use,
	303	Tag_conformance,
	304	Tag_Virtualization_use,
	305	Tag_undefined69,
75375b3e MGD	306	Tag_MPextension_use_legacy,
	307
	308	/* The following tags are legacy names for other tags. */
	309	Tag_VFP_arch = Tag_FP_arch,
	310	Tag_ABI_align8_needed = Tag_ABI_align_needed,
	311	Tag_ABI_align8_preserved = Tag_ABI_align_preserved,
	312	Tag_VFP_HP_extension = Tag_FP_HP_extension
ee065d83 PB	313	};
	314
	315	#endif
	316
e16bb312	317	/* The name of the note section used to identify arm variants. */
5a6c6817	318	#define ARM_NOTE_SECTION ".note.gnu.arm.ident"
40a18ebd NC	319
	320	/* Special section names. */
	321	#define ELF_STRING_ARM_unwind ".ARM.exidx"
	322	#define ELF_STRING_ARM_unwind_info ".ARM.extab"
	323	#define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx."
	324	#define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab."
	325
8725b940	326	#endif /* _ELF_ARM_H */