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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [include/] [elf/] [ppc.h] - Blame information for rev 21

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/* PPC ELF support for BFD.
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   Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2005, 2007, 2008,
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   2009, 2010 Free Software Foundation, Inc.
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   By Michael Meissner, Cygnus Support, <meissner@cygnus.com>,
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   from information in the System V Application Binary Interface,
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   PowerPC Processor Supplement and the PowerPC Embedded Application
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   Binary Interface (eabi).
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   This file is part of BFD, the Binary File Descriptor library.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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   MA 02110-1301, USA.  */
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/* This file holds definitions specific to the PPC ELF ABI.  Note
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   that most of this is not actually implemented by BFD.  */
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#ifndef _ELF_PPC_H
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#define _ELF_PPC_H
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#include "elf/reloc-macros.h"
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/* Relocations.  */
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START_RELOC_NUMBERS (elf_ppc_reloc_type)
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  RELOC_NUMBER (R_PPC_NONE,               0)
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  RELOC_NUMBER (R_PPC_ADDR32,             1)
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  RELOC_NUMBER (R_PPC_ADDR24,             2)
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  RELOC_NUMBER (R_PPC_ADDR16,             3)
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  RELOC_NUMBER (R_PPC_ADDR16_LO,          4)
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  RELOC_NUMBER (R_PPC_ADDR16_HI,          5)
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  RELOC_NUMBER (R_PPC_ADDR16_HA,          6)
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  RELOC_NUMBER (R_PPC_ADDR14,             7)
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  RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN,     8)
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  RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN,    9)
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  RELOC_NUMBER (R_PPC_REL24,             10)
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  RELOC_NUMBER (R_PPC_REL14,             11)
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  RELOC_NUMBER (R_PPC_REL14_BRTAKEN,     12)
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  RELOC_NUMBER (R_PPC_REL14_BRNTAKEN,    13)
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  RELOC_NUMBER (R_PPC_GOT16,             14)
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  RELOC_NUMBER (R_PPC_GOT16_LO,          15)
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  RELOC_NUMBER (R_PPC_GOT16_HI,          16)
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  RELOC_NUMBER (R_PPC_GOT16_HA,          17)
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  RELOC_NUMBER (R_PPC_PLTREL24,          18)
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  RELOC_NUMBER (R_PPC_COPY,              19)
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  RELOC_NUMBER (R_PPC_GLOB_DAT,          20)
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  RELOC_NUMBER (R_PPC_JMP_SLOT,          21)
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  RELOC_NUMBER (R_PPC_RELATIVE,          22)
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  RELOC_NUMBER (R_PPC_LOCAL24PC,         23)
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  RELOC_NUMBER (R_PPC_UADDR32,           24)
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  RELOC_NUMBER (R_PPC_UADDR16,           25)
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  RELOC_NUMBER (R_PPC_REL32,             26)
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  RELOC_NUMBER (R_PPC_PLT32,             27)
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  RELOC_NUMBER (R_PPC_PLTREL32,          28)
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  RELOC_NUMBER (R_PPC_PLT16_LO,          29)
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  RELOC_NUMBER (R_PPC_PLT16_HI,          30)
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  RELOC_NUMBER (R_PPC_PLT16_HA,          31)
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  RELOC_NUMBER (R_PPC_SDAREL16,          32)
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  RELOC_NUMBER (R_PPC_SECTOFF,           33)
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  RELOC_NUMBER (R_PPC_SECTOFF_LO,        34)
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  RELOC_NUMBER (R_PPC_SECTOFF_HI,        35)
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  RELOC_NUMBER (R_PPC_SECTOFF_HA,        36)
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  RELOC_NUMBER (R_PPC_ADDR30,            37)
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#ifndef RELOC_MACROS_GEN_FUNC
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/* Fake relocations for branch stubs, only used internally by ld.  */
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  RELOC_NUMBER (R_PPC_RELAX,             48)
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  RELOC_NUMBER (R_PPC_RELAX_PLT,         49)
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  RELOC_NUMBER (R_PPC_RELAX_PLTREL24,    50)
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#endif
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  /* Relocs added to support TLS.  */
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  RELOC_NUMBER (R_PPC_TLS,               67)
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  RELOC_NUMBER (R_PPC_DTPMOD32,          68)
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  RELOC_NUMBER (R_PPC_TPREL16,           69)
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  RELOC_NUMBER (R_PPC_TPREL16_LO,        70)
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  RELOC_NUMBER (R_PPC_TPREL16_HI,        71)
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  RELOC_NUMBER (R_PPC_TPREL16_HA,        72)
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  RELOC_NUMBER (R_PPC_TPREL32,           73)
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  RELOC_NUMBER (R_PPC_DTPREL16,          74)
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  RELOC_NUMBER (R_PPC_DTPREL16_LO,       75)
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  RELOC_NUMBER (R_PPC_DTPREL16_HI,       76)
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  RELOC_NUMBER (R_PPC_DTPREL16_HA,       77)
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  RELOC_NUMBER (R_PPC_DTPREL32,          78)
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  RELOC_NUMBER (R_PPC_GOT_TLSGD16,       79)
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  RELOC_NUMBER (R_PPC_GOT_TLSGD16_LO,    80)
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  RELOC_NUMBER (R_PPC_GOT_TLSGD16_HI,    81)
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  RELOC_NUMBER (R_PPC_GOT_TLSGD16_HA,    82)
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  RELOC_NUMBER (R_PPC_GOT_TLSLD16,       83)
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  RELOC_NUMBER (R_PPC_GOT_TLSLD16_LO,    84)
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  RELOC_NUMBER (R_PPC_GOT_TLSLD16_HI,    85)
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  RELOC_NUMBER (R_PPC_GOT_TLSLD16_HA,    86)
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  RELOC_NUMBER (R_PPC_GOT_TPREL16,       87)
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  RELOC_NUMBER (R_PPC_GOT_TPREL16_LO,    88)
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  RELOC_NUMBER (R_PPC_GOT_TPREL16_HI,    89)
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  RELOC_NUMBER (R_PPC_GOT_TPREL16_HA,    90)
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  RELOC_NUMBER (R_PPC_GOT_DTPREL16,      91)
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  RELOC_NUMBER (R_PPC_GOT_DTPREL16_LO,   92)
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  RELOC_NUMBER (R_PPC_GOT_DTPREL16_HI,   93)
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  RELOC_NUMBER (R_PPC_GOT_DTPREL16_HA,   94)
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  RELOC_NUMBER (R_PPC_TLSGD,             95)
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  RELOC_NUMBER (R_PPC_TLSLD,             96)
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/* The remaining relocs are from the Embedded ELF ABI, and are not
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   in the SVR4 ELF ABI.  */
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  RELOC_NUMBER (R_PPC_EMB_NADDR32,      101)
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  RELOC_NUMBER (R_PPC_EMB_NADDR16,      102)
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  RELOC_NUMBER (R_PPC_EMB_NADDR16_LO,   103)
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  RELOC_NUMBER (R_PPC_EMB_NADDR16_HI,   104)
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  RELOC_NUMBER (R_PPC_EMB_NADDR16_HA,   105)
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  RELOC_NUMBER (R_PPC_EMB_SDAI16,       106)
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  RELOC_NUMBER (R_PPC_EMB_SDA2I16,      107)
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  RELOC_NUMBER (R_PPC_EMB_SDA2REL,      108)
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  RELOC_NUMBER (R_PPC_EMB_SDA21,        109)
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  RELOC_NUMBER (R_PPC_EMB_MRKREF,       110)
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  RELOC_NUMBER (R_PPC_EMB_RELSEC16,     111)
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  RELOC_NUMBER (R_PPC_EMB_RELST_LO,     112)
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  RELOC_NUMBER (R_PPC_EMB_RELST_HI,     113)
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  RELOC_NUMBER (R_PPC_EMB_RELST_HA,     114)
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  RELOC_NUMBER (R_PPC_EMB_BIT_FLD,      115)
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  RELOC_NUMBER (R_PPC_EMB_RELSDA,       116)
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/* Support STT_GNU_IFUNC plt calls.  */
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  RELOC_NUMBER (R_PPC_IRELATIVE,        248)
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/* These are GNU extensions used in PIC code sequences.  */
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  RELOC_NUMBER (R_PPC_REL16,            249)
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  RELOC_NUMBER (R_PPC_REL16_LO,         250)
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  RELOC_NUMBER (R_PPC_REL16_HI,         251)
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  RELOC_NUMBER (R_PPC_REL16_HA,         252)
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/* These are GNU extensions to enable C++ vtable garbage collection.  */
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  RELOC_NUMBER (R_PPC_GNU_VTINHERIT,    253)
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  RELOC_NUMBER (R_PPC_GNU_VTENTRY,      254)
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/* This is a phony reloc to handle any old fashioned TOC16 references
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   that may still be in object files.  */
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  RELOC_NUMBER (R_PPC_TOC16,            255)
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END_RELOC_NUMBERS (R_PPC_max)
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#define IS_PPC_TLS_RELOC(R) \
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  ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
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/* Specify the value of _GLOBAL_OFFSET_TABLE_.  */
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#define DT_PPC_GOT              (DT_LOPROC)
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/* Specify that tls descriptors should be optimized.  */
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#define DT_PPC_TLSOPT           (DT_LOPROC + 1)
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/* Processor specific flags for the ELF header e_flags field.  */
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#define EF_PPC_EMB              0x80000000      /* PowerPC embedded flag.  */
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#define EF_PPC_RELOCATABLE      0x00010000      /* PowerPC -mrelocatable flag.  */
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#define EF_PPC_RELOCATABLE_LIB  0x00008000      /* PowerPC -mrelocatable-lib flag.  */
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/* Processor specific section headers, sh_type field.  */
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#define SHT_ORDERED             SHT_HIPROC      /* Link editor is to sort the \
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                                                   entries in this section \
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                                                   based on the address \
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                                                   specified in the associated \
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                                                   symbol table entry.  */
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/* Object attribute tags.  */
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enum
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{
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  /* 0-3 are generic.  */
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  Tag_GNU_Power_ABI_FP = 4, /* Value 1 for hard-float, 2 for
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                               soft-float, 3 for single=precision
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                               hard-float; 0 for not tagged or not
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                               using any ABIs affected by the
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                               differences.  */
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  /* Value 1 for general purpose registers only, 2 for AltiVec
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     registers, 3 for SPE registers; 0 for not tagged or not using any
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     ABIs affected by the differences.  */
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  Tag_GNU_Power_ABI_Vector = 8,
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  /* Value 1 for ABIs using r3/r4 for returning structures <= 8 bytes,
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     2 for ABIs using memory; 0 for not tagged or not using any ABIs
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     affected by the differences.  */
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  Tag_GNU_Power_ABI_Struct_Return = 12
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};
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#endif /* _ELF_PPC_H */

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