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

/* PPC ELF support for BFD.
   Copyright (C) 1995, 1998 Free Software Foundation, Inc.

   By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, from information
   in the System V Application Binary Interface, PowerPC Processor Supplement
   and the PowerPC Embedded Application Binary Interface (eabi).

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
(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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

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

#ifndef _ELF_PPC_H
#define _ELF_PPC_H

#include "elf/reloc-macros.h"

/* Relocations.  */
START_RELOC_NUMBERS (ppc_reloc_type)
  RELOC_NUMBER (R_PPC_NONE, 0)
  RELOC_NUMBER (R_PPC_ADDR32, 1)
  RELOC_NUMBER (R_PPC_ADDR24, 2)
  RELOC_NUMBER (R_PPC_ADDR16, 3)
  RELOC_NUMBER (R_PPC_ADDR16_LO, 4)
  RELOC_NUMBER (R_PPC_ADDR16_HI, 5)
  RELOC_NUMBER (R_PPC_ADDR16_HA, 6)
  RELOC_NUMBER (R_PPC_ADDR14, 7)
  RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8)
  RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9)
  RELOC_NUMBER (R_PPC_REL24, 10)
  RELOC_NUMBER (R_PPC_REL14, 11)
  RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12)
  RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13)
  RELOC_NUMBER (R_PPC_GOT16, 14)
  RELOC_NUMBER (R_PPC_GOT16_LO, 15)
  RELOC_NUMBER (R_PPC_GOT16_HI, 16)
  RELOC_NUMBER (R_PPC_GOT16_HA, 17)
  RELOC_NUMBER (R_PPC_PLTREL24, 18)
  RELOC_NUMBER (R_PPC_COPY, 19)
  RELOC_NUMBER (R_PPC_GLOB_DAT, 20)
  RELOC_NUMBER (R_PPC_JMP_SLOT, 21)
  RELOC_NUMBER (R_PPC_RELATIVE, 22)
  RELOC_NUMBER (R_PPC_LOCAL24PC, 23)
  RELOC_NUMBER (R_PPC_UADDR32, 24)
  RELOC_NUMBER (R_PPC_UADDR16, 25)
  RELOC_NUMBER (R_PPC_REL32, 26)
  RELOC_NUMBER (R_PPC_PLT32, 27)
  RELOC_NUMBER (R_PPC_PLTREL32, 28)
  RELOC_NUMBER (R_PPC_PLT16_LO, 29)
  RELOC_NUMBER (R_PPC_PLT16_HI, 30)
  RELOC_NUMBER (R_PPC_PLT16_HA, 31)
  RELOC_NUMBER (R_PPC_SDAREL16, 32)
  RELOC_NUMBER (R_PPC_SECTOFF, 33)
  RELOC_NUMBER (R_PPC_SECTOFF_LO, 34)
  RELOC_NUMBER (R_PPC_SECTOFF_HI, 35)
  RELOC_NUMBER (R_PPC_SECTOFF_HA, 36)

/* The remaining relocs are from the Embedded ELF ABI, and are not
   in the SVR4 ELF ABI.  */
  RELOC_NUMBER (R_PPC_EMB_NADDR32, 101)
  RELOC_NUMBER (R_PPC_EMB_NADDR16, 102)
  RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103)
  RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104)
  RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105)
  RELOC_NUMBER (R_PPC_EMB_SDAI16, 106)
  RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107)
  RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108)
  RELOC_NUMBER (R_PPC_EMB_SDA21, 109)
  RELOC_NUMBER (R_PPC_EMB_MRKREF, 110)
  RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111)
  RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112)
  RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113)
  RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114)
  RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115)
  RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)

  /* These are GNU extensions to enable C++ vtable garbage collection.  */
  RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)
  RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254)

/* This is a phony reloc to handle any old fashioned TOC16 references
   that may still be in object files.  */
  RELOC_NUMBER (R_PPC_TOC16, 255)

  EMPTY_RELOC (R_PPC_max)
END_RELOC_NUMBERS


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

#define	EF_PPC_EMB		0x80000000	/* PowerPC embedded flag  */

						/* CYGNUS local bits below */
#define	EF_PPC_RELOCATABLE	0x00010000	/* PowerPC -mrelocatable flag */
#define	EF_PPC_RELOCATABLE_LIB	0x00008000	/* PowerPC -mrelocatable-lib flag */

/* Processor specific section headers, sh_type field */

#define SHT_ORDERED		SHT_HIPROC	/* Link editor is to sort the \
						   entries in this section \
						   based on the address \
						   specified in the associated \
						   symbol table entry.  */

/* Processor specific section flags, sh_flags field */

#define SHF_EXCLUDE		0x80000000	/* Link editor is to exclude \
						   this section from executable \
						   and shared objects that it \
						   builds when those objects \
						   are not to be furhter \
						   relocated.  */
#endif /* _ELF_PPC_H */
Commit	Line	Data
37e4be83 UD	1	/* PPC ELF support for BFD.
37e4be83 UD	2	Copyright (C) 1995, 1998 Free Software Foundation, Inc.
b14e6182 MM	3
	4	By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, from information
	5	in the System V Application Binary Interface, PowerPC Processor Supplement
796ee68b	6	and the PowerPC Embedded Application Binary Interface (eabi).
b14e6182 MM	7
	8	This file is part of BFD, the Binary File Descriptor library.
	9
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 2 of the License, or
	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License
	21	along with this program; if not, write to the Free Software
533ed48e	22	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
b14e6182 MM	23
	24	/* This file holds definitions specific to the PPC ELF ABI. Note
	25	that most of this is not actually implemented by BFD. */
	26
533ed48e MM	27	#ifndef _ELF_PPC_H
	28	#define _ELF_PPC_H
	29
36dd637f	30	#include "elf/reloc-macros.h"
86b9b00b	31
37e4be83	32	/* Relocations. */
36dd637f	33	START_RELOC_NUMBERS (ppc_reloc_type)
0d930c6c UD	34	RELOC_NUMBER (R_PPC_NONE, 0)
	35	RELOC_NUMBER (R_PPC_ADDR32, 1)
	36	RELOC_NUMBER (R_PPC_ADDR24, 2)
	37	RELOC_NUMBER (R_PPC_ADDR16, 3)
	38	RELOC_NUMBER (R_PPC_ADDR16_LO, 4)
	39	RELOC_NUMBER (R_PPC_ADDR16_HI, 5)
	40	RELOC_NUMBER (R_PPC_ADDR16_HA, 6)
	41	RELOC_NUMBER (R_PPC_ADDR14, 7)
	42	RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8)
	43	RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9)
	44	RELOC_NUMBER (R_PPC_REL24, 10)
	45	RELOC_NUMBER (R_PPC_REL14, 11)
	46	RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12)
	47	RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13)
	48	RELOC_NUMBER (R_PPC_GOT16, 14)
	49	RELOC_NUMBER (R_PPC_GOT16_LO, 15)
	50	RELOC_NUMBER (R_PPC_GOT16_HI, 16)
	51	RELOC_NUMBER (R_PPC_GOT16_HA, 17)
	52	RELOC_NUMBER (R_PPC_PLTREL24, 18)
	53	RELOC_NUMBER (R_PPC_COPY, 19)
	54	RELOC_NUMBER (R_PPC_GLOB_DAT, 20)
	55	RELOC_NUMBER (R_PPC_JMP_SLOT, 21)
	56	RELOC_NUMBER (R_PPC_RELATIVE, 22)
	57	RELOC_NUMBER (R_PPC_LOCAL24PC, 23)
	58	RELOC_NUMBER (R_PPC_UADDR32, 24)
	59	RELOC_NUMBER (R_PPC_UADDR16, 25)
	60	RELOC_NUMBER (R_PPC_REL32, 26)
	61	RELOC_NUMBER (R_PPC_PLT32, 27)
	62	RELOC_NUMBER (R_PPC_PLTREL32, 28)
	63	RELOC_NUMBER (R_PPC_PLT16_LO, 29)
	64	RELOC_NUMBER (R_PPC_PLT16_HI, 30)
	65	RELOC_NUMBER (R_PPC_PLT16_HA, 31)
	66	RELOC_NUMBER (R_PPC_SDAREL16, 32)
	67	RELOC_NUMBER (R_PPC_SECTOFF, 33)
	68	RELOC_NUMBER (R_PPC_SECTOFF_LO, 34)
	69	RELOC_NUMBER (R_PPC_SECTOFF_HI, 35)
	70	RELOC_NUMBER (R_PPC_SECTOFF_HA, 36)
37e4be83 UD	71
	72	/* The remaining relocs are from the Embedded ELF ABI, and are not
	73	in the SVR4 ELF ABI. */
0d930c6c UD	74	RELOC_NUMBER (R_PPC_EMB_NADDR32, 101)
	75	RELOC_NUMBER (R_PPC_EMB_NADDR16, 102)
	76	RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103)
	77	RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104)
	78	RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105)
	79	RELOC_NUMBER (R_PPC_EMB_SDAI16, 106)
	80	RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107)
	81	RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108)
	82	RELOC_NUMBER (R_PPC_EMB_SDA21, 109)
	83	RELOC_NUMBER (R_PPC_EMB_MRKREF, 110)
	84	RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111)
	85	RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112)
	86	RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113)
	87	RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114)
	88	RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115)
	89	RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)
	90
	91	/* These are GNU extensions to enable C++ vtable garbage collection. */
	92	RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)
	93	RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254)
37e4be83 UD	94
	95	/* This is a phony reloc to handle any old fashioned TOC16 references
	96	that may still be in object files. */
0d930c6c UD	97	RELOC_NUMBER (R_PPC_TOC16, 255)
0d930c6c UD	98
36dd637f	99	EMPTY_RELOC (R_PPC_max)
0d930c6c	100	END_RELOC_NUMBERS
37e4be83 UD	101
37e4be83 UD	102
b14e6182 MM	103	/* Processor specific flags for the ELF header e_flags field. */
	104
	105	#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */
533ed48e MM	106
	107	/* CYGNUS local bits below */
	108	#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag */
	109	#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag */
	110
	111	/* Processor specific section headers, sh_type field */
	112
	113	#define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \
	114	entries in this section \
	115	based on the address \
	116	specified in the associated \
	117	symbol table entry. */
	118
	119	/* Processor specific section flags, sh_flags field */
	120
	121	#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
	122	this section from executable \
	123	and shared objects that it \
	124	builds when those objects \
	125	are not to be furhter \
	126	relocated. */
	127	#endif /* _ELF_PPC_H */