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/* PPC ELF support for BFD.
Copyright (C) 1995-2017 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 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 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)
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)
#ifndef RELOC_MACROS_GEN_FUNC
/* Fake relocations for branch stubs, only used internally by ld. */
RELOC_NUMBER (R_PPC_RELAX, 48)
RELOC_NUMBER (R_PPC_RELAX_PLT, 49)
RELOC_NUMBER (R_PPC_RELAX_PLTREL24, 50)
#endif
/* Relocs added to support TLS. */
RELOC_NUMBER (R_PPC_TLS, 67)
RELOC_NUMBER (R_PPC_DTPMOD32, 68)
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)
RELOC_NUMBER (R_PPC_TPREL32, 73)
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)
RELOC_NUMBER (R_PPC_DTPREL32, 78)
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)
RELOC_NUMBER (R_PPC_TLSGD, 95)
RELOC_NUMBER (R_PPC_TLSLD, 96)
/* 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)
/* PowerPC VLE relocations. */
RELOC_NUMBER (R_PPC_VLE_REL8, 216)
RELOC_NUMBER (R_PPC_VLE_REL15, 217)
RELOC_NUMBER (R_PPC_VLE_REL24, 218)
RELOC_NUMBER (R_PPC_VLE_LO16A, 219)
RELOC_NUMBER (R_PPC_VLE_LO16D, 220)
RELOC_NUMBER (R_PPC_VLE_HI16A, 221)
RELOC_NUMBER (R_PPC_VLE_HI16D, 222)
RELOC_NUMBER (R_PPC_VLE_HA16A, 223)
RELOC_NUMBER (R_PPC_VLE_HA16D, 224)
RELOC_NUMBER (R_PPC_VLE_SDA21, 225)
RELOC_NUMBER (R_PPC_VLE_SDA21_LO, 226)
RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16A, 227)
RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16D, 228)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16A, 229)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16D, 230)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16A, 231)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16D, 232)
/* Power9 split rel16 for addpcis. */
RELOC_NUMBER (R_PPC_REL16DX_HA, 246)
/* Support STT_GNU_IFUNC plt calls. */
RELOC_NUMBER (R_PPC_IRELATIVE, 248)
/* These are GNU extensions used in PIC code sequences. */
RELOC_NUMBER (R_PPC_REL16, 249)
RELOC_NUMBER (R_PPC_REL16_LO, 250)
RELOC_NUMBER (R_PPC_REL16_HI, 251)
RELOC_NUMBER (R_PPC_REL16_HA, 252)
/* 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)
END_RELOC_NUMBERS (R_PPC_max)
#define IS_PPC_TLS_RELOC(R) \
((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
/* Specify the value of _GLOBAL_OFFSET_TABLE_. */
#define DT_PPC_GOT (DT_LOPROC)
/* Specify that tls descriptors should be optimized. */
#define DT_PPC_OPT (DT_LOPROC + 1)
#define PPC_OPT_TLS 1
/* Processor specific flags for the ELF header e_flags field. */
#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag. */
#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */
#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */
/* Processor specific program headers, p_flags field. */
#define PF_PPC_VLE 0x10000000 /* PowerPC VLE. */
/* Processor specific section headers, sh_flags field. */
#define SHF_PPC_VLE 0x10000000 /* PowerPC VLE text section. */
/* 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. */
/* APUinfo note section. */
#define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
#define APUINFO_LABEL "APUinfo"
#define PPC_APUINFO_ISEL 0x40
#define PPC_APUINFO_PMR 0x41
#define PPC_APUINFO_RFMCI 0x42
#define PPC_APUINFO_CACHELCK 0x43
#define PPC_APUINFO_SPE 0x100
#define PPC_APUINFO_EFS 0x101
#define PPC_APUINFO_BRLOCK 0x102
#define PPC_APUINFO_VLE 0x104
/* Object attribute tags. */
enum
{
/* 0-3 are generic. */
/* FP ABI, low 2 bits:
1 for double precision hard-float,
2 for soft-float,
3 for single precision hard-float.
0 for not tagged or not using any ABIs affected by the differences.
Next 2 bits:
1 for ibm long double
2 for 64-bit long double
3 for IEEE long double.
0 for not tagged or not using any ABIs affected by the differences. */
Tag_GNU_Power_ABI_FP = 4,
/* Value 1 for general purpose registers only, 2 for AltiVec
registers, 3 for SPE registers; 0 for not tagged or not using any
ABIs affected by the differences. */
Tag_GNU_Power_ABI_Vector = 8,
/* Value 1 for ABIs using r3/r4 for returning structures <= 8 bytes,
2 for ABIs using memory; 0 for not tagged or not using any ABIs
affected by the differences. */
Tag_GNU_Power_ABI_Struct_Return = 12
};
#endif /* _ELF_PPC_H */
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