[thirdparty/binutils-gdb.git] / include / elf / alpha.h

/* ALPHA ELF support for BFD.
   Copyright (C) 1996-2021 Free Software Foundation, Inc.

   By Eric Youngdale, <eric@aib.com>.  No processor supplement available
   for this platform.

   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.  */

/* This file holds definitions specific to the ALPHA ELF ABI.  Note
   that most of this is not actually implemented by BFD.  */

#ifndef _ELF_ALPHA_H
#define _ELF_ALPHA_H

/* Processor specific flags for the ELF header e_flags field.  */

/* All addresses must be below 2GB.  */
#define EF_ALPHA_32BIT		0x00000001

/* All relocations needed for relaxation with code movement are present.  */
#define EF_ALPHA_CANRELAX	0x00000002

/* Processor specific section flags.  */

/* This section must be in the global data area.  */
#define SHF_ALPHA_GPREL		0x10000000

/* Section contains some sort of debugging information.  The exact
   format is unspecified.  It's probably ECOFF symbols.  */
#define SHT_ALPHA_DEBUG		0x70000001

/* Section contains register usage information.  */
#define SHT_ALPHA_REGINFO	0x70000002

/* A section of type SHT_MIPS_REGINFO contains the following
   structure.  */
typedef struct
{
  /* Mask of general purpose registers used.  */
  unsigned long ri_gprmask;
  /* Mask of co-processor registers used.  */
  unsigned long ri_cprmask[4];
  /* GP register value for this object file.  */
  long ri_gp_value;
} Elf64_RegInfo;

/* Special values for the st_other field in the symbol table.  */

#define STO_ALPHA_NOPV		0x80
#define STO_ALPHA_STD_GPLOAD	0x88

/* Special values for Elf64_Dyn tag.  */
#define DT_ALPHA_PLTRO		DT_LOPROC

#include "elf/reloc-macros.h"

/* Alpha relocs.  */
START_RELOC_NUMBERS (elf_alpha_reloc_type)
  RELOC_NUMBER (R_ALPHA_NONE, 0)	/* No reloc */
  RELOC_NUMBER (R_ALPHA_REFLONG, 1)	/* Direct 32 bit */
  RELOC_NUMBER (R_ALPHA_REFQUAD, 2)	/* Direct 64 bit */
  RELOC_NUMBER (R_ALPHA_GPREL32, 3)	/* GP relative 32 bit */
  RELOC_NUMBER (R_ALPHA_LITERAL, 4)	/* GP relative 16 bit w/optimization */
  RELOC_NUMBER (R_ALPHA_LITUSE, 5)	/* Optimization hint for LITERAL */
  RELOC_NUMBER (R_ALPHA_GPDISP, 6)	/* Add displacement to GP */
  RELOC_NUMBER (R_ALPHA_BRADDR, 7)	/* PC+4 relative 23 bit shifted */
  RELOC_NUMBER (R_ALPHA_HINT, 8)	/* PC+4 relative 16 bit shifted */
  RELOC_NUMBER (R_ALPHA_SREL16, 9)	/* PC relative 16 bit */
  RELOC_NUMBER (R_ALPHA_SREL32, 10)	/* PC relative 32 bit */
  RELOC_NUMBER (R_ALPHA_SREL64, 11)	/* PC relative 64 bit */

  /* Skip 12 - 16; deprecated ECOFF relocs.  */

  RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17)	/* GP relative 32 bit, high 16 bits */
  RELOC_NUMBER (R_ALPHA_GPRELLOW, 18)	/* GP relative 32 bit, low 16 bits */
  RELOC_NUMBER (R_ALPHA_GPREL16, 19)	/* GP relative 16 bit */

  /* Skip 20 - 23; deprecated ECOFF relocs.  */

  /* These relocations are specific to shared libraries.  */
  RELOC_NUMBER (R_ALPHA_COPY, 24)	/* Copy symbol at runtime */
  RELOC_NUMBER (R_ALPHA_GLOB_DAT, 25)	/* Create GOT entry */
  RELOC_NUMBER (R_ALPHA_JMP_SLOT, 26)	/* Create PLT entry */
  RELOC_NUMBER (R_ALPHA_RELATIVE, 27)	/* Adjust by program base */

  /* Like BRADDR, but assert that the source and target object file
     share the same GP value, and adjust the target address for 
     STO_ALPHA_STD_GPLOAD.  */
  RELOC_NUMBER (R_ALPHA_BRSGP, 28)

  /* Thread-Local Storage.  */
  RELOC_NUMBER (R_ALPHA_TLSGD, 29)
  RELOC_NUMBER (R_ALPHA_TLSLDM, 30)
  RELOC_NUMBER (R_ALPHA_DTPMOD64, 31)
  RELOC_NUMBER (R_ALPHA_GOTDTPREL, 32)
  RELOC_NUMBER (R_ALPHA_DTPREL64, 33)
  RELOC_NUMBER (R_ALPHA_DTPRELHI, 34)
  RELOC_NUMBER (R_ALPHA_DTPRELLO, 35)
  RELOC_NUMBER (R_ALPHA_DTPREL16, 36)
  RELOC_NUMBER (R_ALPHA_GOTTPREL, 37)
  RELOC_NUMBER (R_ALPHA_TPREL64, 38)
  RELOC_NUMBER (R_ALPHA_TPRELHI, 39)
  RELOC_NUMBER (R_ALPHA_TPRELLO, 40)
  RELOC_NUMBER (R_ALPHA_TPREL16, 41)

END_RELOC_NUMBERS (R_ALPHA_max)

#define LITUSE_ALPHA_ADDR	0
#define LITUSE_ALPHA_BASE	1
#define LITUSE_ALPHA_BYTOFF	2
#define LITUSE_ALPHA_JSR	3
#define LITUSE_ALPHA_TLSGD	4
#define LITUSE_ALPHA_TLSLDM	5
#define LITUSE_ALPHA_JSRDIRECT	6

#endif /* _ELF_ALPHA_H */
Commit	Line	Data
252b5132	1	/* ALPHA ELF support for BFD.
250d07de	2	Copyright (C) 1996-2021 Free Software Foundation, Inc.
252b5132 RH	3
	4	By Eric Youngdale, <eric@aib.com>. No processor supplement available
	5	for this platform.
	6
e4e42b45	7	This file is part of BFD, the Binary File Descriptor library.
252b5132	8
e4e42b45 NC	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 3 of the License, or
	12	(at your option) any later version.
252b5132	13
e4e42b45 NC	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
252b5132	18
e4e42b45 NC	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	22	MA 02110-1301, USA. */
252b5132 RH	23
	24	/* This file holds definitions specific to the ALPHA ELF ABI. Note
	25	that most of this is not actually implemented by BFD. */
	26
	27	#ifndef _ELF_ALPHA_H
	28	#define _ELF_ALPHA_H
	29
	30	/* Processor specific flags for the ELF header e_flags field. */
	31
	32	/* All addresses must be below 2GB. */
	33	#define EF_ALPHA_32BIT 0x00000001
	34
	35	/* All relocations needed for relaxation with code movement are present. */
	36	#define EF_ALPHA_CANRELAX 0x00000002
	37
	38	/* Processor specific section flags. */
	39
	40	/* This section must be in the global data area. */
	41	#define SHF_ALPHA_GPREL 0x10000000
	42
	43	/* Section contains some sort of debugging information. The exact
	44	format is unspecified. It's probably ECOFF symbols. */
	45	#define SHT_ALPHA_DEBUG 0x70000001
	46
	47	/* Section contains register usage information. */
	48	#define SHT_ALPHA_REGINFO 0x70000002
	49
	50	/* A section of type SHT_MIPS_REGINFO contains the following
	51	structure. */
	52	typedef struct
	53	{
	54	/* Mask of general purpose registers used. */
	55	unsigned long ri_gprmask;
	56	/* Mask of co-processor registers used. */
	57	unsigned long ri_cprmask[4];
	58	/* GP register value for this object file. */
	59	long ri_gp_value;
	60	} Elf64_RegInfo;
	61
	62	/* Special values for the st_other field in the symbol table. */
	63
	64	#define STO_ALPHA_NOPV 0x80
	65	#define STO_ALPHA_STD_GPLOAD 0x88
	66
484124bb RH	67	/* Special values for Elf64_Dyn tag. */
	68	#define DT_ALPHA_PLTRO DT_LOPROC
	69
252b5132 RH	70	#include "elf/reloc-macros.h"
	71
	72	/* Alpha relocs. */
	73	START_RELOC_NUMBERS (elf_alpha_reloc_type)
	74	RELOC_NUMBER (R_ALPHA_NONE, 0) /* No reloc */
	75	RELOC_NUMBER (R_ALPHA_REFLONG, 1) /* Direct 32 bit */
	76	RELOC_NUMBER (R_ALPHA_REFQUAD, 2) /* Direct 64 bit */
	77	RELOC_NUMBER (R_ALPHA_GPREL32, 3) /* GP relative 32 bit */
	78	RELOC_NUMBER (R_ALPHA_LITERAL, 4) /* GP relative 16 bit w/optimization */
	79	RELOC_NUMBER (R_ALPHA_LITUSE, 5) /* Optimization hint for LITERAL */
	80	RELOC_NUMBER (R_ALPHA_GPDISP, 6) /* Add displacement to GP */
	81	RELOC_NUMBER (R_ALPHA_BRADDR, 7) /* PC+4 relative 23 bit shifted */
	82	RELOC_NUMBER (R_ALPHA_HINT, 8) /* PC+4 relative 16 bit shifted */
	83	RELOC_NUMBER (R_ALPHA_SREL16, 9) /* PC relative 16 bit */
	84	RELOC_NUMBER (R_ALPHA_SREL32, 10) /* PC relative 32 bit */
	85	RELOC_NUMBER (R_ALPHA_SREL64, 11) /* PC relative 64 bit */
	86
e3883bf9 RH	87	/* Skip 12 - 16; deprecated ECOFF relocs. */
	88
	89	RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17) /* GP relative 32 bit, high 16 bits */
	90	RELOC_NUMBER (R_ALPHA_GPRELLOW, 18) /* GP relative 32 bit, low 16 bits */
	91	RELOC_NUMBER (R_ALPHA_GPREL16, 19) /* GP relative 16 bit */
	92
	93	/* Skip 20 - 23; deprecated ECOFF relocs. */
	94
	95	/* These relocations are specific to shared libraries. */
252b5132 RH	96	RELOC_NUMBER (R_ALPHA_COPY, 24) /* Copy symbol at runtime */
	97	RELOC_NUMBER (R_ALPHA_GLOB_DAT, 25) /* Create GOT entry */
	98	RELOC_NUMBER (R_ALPHA_JMP_SLOT, 26) /* Create PLT entry */
	99	RELOC_NUMBER (R_ALPHA_RELATIVE, 27) /* Adjust by program base */
	100
77dd1030 RH	101	/* Like BRADDR, but assert that the source and target object file
	102	share the same GP value, and adjust the target address for
	103	STO_ALPHA_STD_GPLOAD. */
	104	RELOC_NUMBER (R_ALPHA_BRSGP, 28)
	105
3765b1be RH	106	/* Thread-Local Storage. */
	107	RELOC_NUMBER (R_ALPHA_TLSGD, 29)
	108	RELOC_NUMBER (R_ALPHA_TLSLDM, 30)
	109	RELOC_NUMBER (R_ALPHA_DTPMOD64, 31)
	110	RELOC_NUMBER (R_ALPHA_GOTDTPREL, 32)
	111	RELOC_NUMBER (R_ALPHA_DTPREL64, 33)
	112	RELOC_NUMBER (R_ALPHA_DTPRELHI, 34)
	113	RELOC_NUMBER (R_ALPHA_DTPRELLO, 35)
	114	RELOC_NUMBER (R_ALPHA_DTPREL16, 36)
	115	RELOC_NUMBER (R_ALPHA_GOTTPREL, 37)
	116	RELOC_NUMBER (R_ALPHA_TPREL64, 38)
	117	RELOC_NUMBER (R_ALPHA_TPRELHI, 39)
	118	RELOC_NUMBER (R_ALPHA_TPRELLO, 40)
	119	RELOC_NUMBER (R_ALPHA_TPREL16, 41)
	120
1b452ec6	121	END_RELOC_NUMBERS (R_ALPHA_max)
252b5132	122
9e756d64 RH	123	#define LITUSE_ALPHA_ADDR 0
	124	#define LITUSE_ALPHA_BASE 1
	125	#define LITUSE_ALPHA_BYTOFF 2
	126	#define LITUSE_ALPHA_JSR 3
	127	#define LITUSE_ALPHA_TLSGD 4
	128	#define LITUSE_ALPHA_TLSLDM 5
2acf634e	129	#define LITUSE_ALPHA_JSRDIRECT 6
9e756d64	130
252b5132	131	#endif /* _ELF_ALPHA_H */