1999-05-03 09:29:06 +02:00
|
|
|
/* PPC ELF support for BFD.
|
2003-01-16 05:08:47 +01:00
|
|
|
Copyright 1995, 1996, 1998, 2000, 2001, 2002, 2003
|
|
|
|
|
Free Software Foundation, Inc.
|
1999-05-03 09:29:06 +02:00
|
|
|
|
|
|
|
|
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 (elf_ppc_reloc_type)
|
2003-02-04 15:48:36 +01:00
|
|
|
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)
|
|
|
|
|
RELOC_NUMBER (R_PPC_ADDR30, 37)
|
|
|
|
|
|
|
|
|
|
/* Relocs added to support TLS. */
|
|
|
|
|
RELOC_NUMBER (R_PPC_TLS, 67)
|
2003-02-18 07:03:41 +01:00
|
|
|
RELOC_NUMBER (R_PPC_DTPMOD32, 68)
|
2003-02-04 15:48:36 +01:00
|
|
|
RELOC_NUMBER (R_PPC_TPREL16, 69)
|
|
|
|
|
RELOC_NUMBER (R_PPC_TPREL16_LO, 70)
|
|
|
|
|
RELOC_NUMBER (R_PPC_TPREL16_HI, 71)
|
|
|
|
|
RELOC_NUMBER (R_PPC_TPREL16_HA, 72)
|
2003-02-18 07:03:41 +01:00
|
|
|
RELOC_NUMBER (R_PPC_TPREL32, 73)
|
2003-02-04 15:48:36 +01:00
|
|
|
RELOC_NUMBER (R_PPC_DTPREL16, 74)
|
|
|
|
|
RELOC_NUMBER (R_PPC_DTPREL16_LO, 75)
|
|
|
|
|
RELOC_NUMBER (R_PPC_DTPREL16_HI, 76)
|
|
|
|
|
RELOC_NUMBER (R_PPC_DTPREL16_HA, 77)
|
2003-02-18 07:03:41 +01:00
|
|
|
RELOC_NUMBER (R_PPC_DTPREL32, 78)
|
2003-02-04 15:48:36 +01:00
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSGD16, 79)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSGD16_LO, 80)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSGD16_HI, 81)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSGD16_HA, 82)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSLD16, 83)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSLD16_LO, 84)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSLD16_HI, 85)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TLSLD16_HA, 86)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TPREL16, 87)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TPREL16_LO, 88)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TPREL16_HI, 89)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_TPREL16_HA, 90)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_DTPREL16, 91)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_DTPREL16_LO, 92)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_DTPREL16_HI, 93)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GOT_DTPREL16_HA, 94)
|
2001-08-27 12:26:34 +02:00
|
|
|
|
1999-05-03 09:29:06 +02:00
|
|
|
/* The remaining relocs are from the Embedded ELF ABI, and are not
|
|
|
|
|
in the SVR4 ELF ABI. */
|
2003-02-04 15:48:36 +01:00
|
|
|
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)
|
1999-05-03 09:29:06 +02:00
|
|
|
|
2003-07-29 08:42:51 +02:00
|
|
|
/* Fake relocation for branch stubs. This will keep them
|
|
|
|
|
together. */
|
|
|
|
|
#define R_PPC_RELAX32 251
|
|
|
|
|
|
|
|
|
|
/* These are GNU extensions to enable C++ vtable garbage collection. */
|
2003-02-04 15:48:36 +01:00
|
|
|
RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253)
|
|
|
|
|
RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254)
|
1999-05-03 09:29:06 +02:00
|
|
|
|
|
|
|
|
/* This is a phony reloc to handle any old fashioned TOC16 references
|
|
|
|
|
that may still be in object files. */
|
2003-02-04 15:48:36 +01:00
|
|
|
RELOC_NUMBER (R_PPC_TOC16, 255)
|
1999-05-03 09:29:06 +02:00
|
|
|
|
2000-06-07 05:43:33 +02:00
|
|
|
END_RELOC_NUMBERS (R_PPC_max)
|
1999-05-03 09:29:06 +02:00
|
|
|
|
2003-02-18 07:03:41 +01:00
|
|
|
#define IS_PPC_TLS_RELOC(R) \
|
|
|
|
|
((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
|
2002-02-12 07:31:24 +01:00
|
|
|
|
1999-05-03 09:29:06 +02:00
|
|
|
/* Processor specific flags for the ELF header e_flags field. */
|
|
|
|
|
|
2000-08-07 20:54:49 +02:00
|
|
|
#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */
|
1999-05-03 09:29:06 +02:00
|
|
|
|
2000-08-07 20:54:49 +02:00
|
|
|
#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */
|
|
|
|
|
#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */
|
1999-05-03 09:29:06 +02:00
|
|
|
|
2000-08-07 20:54:49 +02:00
|
|
|
/* Processor specific section headers, sh_type field. */
|
1999-05-03 09:29:06 +02:00
|
|
|
|
|
|
|
|
#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. */
|
|
|
|
|
|
2000-08-07 20:54:49 +02:00
|
|
|
/* Processor specific section flags, sh_flags field. */
|
1999-05-03 09:29:06 +02:00
|
|
|
|
|
|
|
|
#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 */
|
