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160 lines
5.8 KiB
C
160 lines
5.8 KiB
C
/* PPC ELF support for BFD.
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Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003
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Free Software Foundation, Inc.
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By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, from information
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in the System V Application Binary Interface, PowerPC Processor Supplement
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and the PowerPC Embedded Application 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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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/* 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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/* 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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/* 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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/* 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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/* Processor specific section flags, sh_flags field. */
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#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
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this section from executable \
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and shared objects that it \
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builds when those objects \
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are not to be furhter \
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relocated. */
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#endif /* _ELF_PPC_H */
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