mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-11 03:52:59 +00:00
285 lines
8.4 KiB
C++
285 lines
8.4 KiB
C++
// powerpc.h -- ELF definitions specific to EM_PPC and EM_PPC64 -*- C++ -*-
|
|
|
|
// Copyright (C) 2008-2017 Free Software Foundation, Inc.
|
|
// Written by David S. Miller <davem@davemloft.net>.
|
|
|
|
// This file is part of elfcpp.
|
|
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Library General Public License
|
|
// as published by the Free Software Foundation; either version 2, or
|
|
// (at your option) any later version.
|
|
|
|
// In addition to the permissions in the GNU Library General Public
|
|
// License, the Free Software Foundation gives you unlimited
|
|
// permission to link the compiled version of this file into
|
|
// combinations with other programs, and to distribute those
|
|
// combinations without any restriction coming from the use of this
|
|
// file. (The Library Public License restrictions do apply in other
|
|
// respects; for example, they cover modification of the file, and
|
|
/// distribution when not linked into a combined executable.)
|
|
|
|
// 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
|
|
// Library General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU Library 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.
|
|
|
|
#ifndef ELFCPP_POWERPC_H
|
|
#define ELFCPP_POWERPC_H
|
|
|
|
namespace elfcpp
|
|
{
|
|
|
|
// The relocation numbers for 32-bit and 64-bit powerpc are nearly
|
|
// identical. Therefore I've adopted the convention of using
|
|
// R_POWERPC_foo for values which are the same in R_PPC_* and R_PPC64_*.
|
|
// For relocations which are specific to the word size I will use
|
|
// R_PPC_foo or R_PPC64_foo.
|
|
enum
|
|
{
|
|
R_POWERPC_NONE = 0,
|
|
R_POWERPC_ADDR32 = 1,
|
|
R_POWERPC_ADDR24 = 2,
|
|
R_POWERPC_ADDR16 = 3,
|
|
R_POWERPC_ADDR16_LO = 4,
|
|
R_POWERPC_ADDR16_HI = 5,
|
|
R_POWERPC_ADDR16_HA = 6,
|
|
R_POWERPC_ADDR14 = 7,
|
|
R_POWERPC_ADDR14_BRTAKEN = 8,
|
|
R_POWERPC_ADDR14_BRNTAKEN = 9,
|
|
R_POWERPC_REL24 = 10,
|
|
R_POWERPC_REL14 = 11,
|
|
R_POWERPC_REL14_BRTAKEN = 12,
|
|
R_POWERPC_REL14_BRNTAKEN = 13,
|
|
R_POWERPC_GOT16 = 14,
|
|
R_POWERPC_GOT16_LO = 15,
|
|
R_POWERPC_GOT16_HI = 16,
|
|
R_POWERPC_GOT16_HA = 17,
|
|
R_PPC_PLTREL24 = 18,
|
|
R_POWERPC_COPY = 19,
|
|
R_POWERPC_GLOB_DAT = 20,
|
|
R_POWERPC_JMP_SLOT = 21,
|
|
R_POWERPC_RELATIVE = 22,
|
|
R_PPC_LOCAL24PC = 23,
|
|
R_POWERPC_UADDR32 = 24,
|
|
R_POWERPC_UADDR16 = 25,
|
|
R_POWERPC_REL32 = 26,
|
|
R_POWERPC_PLT32 = 27,
|
|
R_POWERPC_PLTREL32 = 28,
|
|
R_POWERPC_PLT16_LO = 29,
|
|
R_POWERPC_PLT16_HI = 30,
|
|
R_POWERPC_PLT16_HA = 31,
|
|
R_PPC_SDAREL16 = 32,
|
|
R_POWERPC_SECTOFF = 33,
|
|
R_POWERPC_SECTOFF_LO = 34,
|
|
R_POWERPC_SECTOFF_HI = 35,
|
|
R_POWERPC_SECTOFF_HA = 36,
|
|
R_POWERPC_ADDR30 = 37,
|
|
R_PPC64_ADDR64 = 38,
|
|
R_PPC64_ADDR16_HIGHER = 39,
|
|
R_PPC64_ADDR16_HIGHERA = 40,
|
|
R_PPC64_ADDR16_HIGHEST = 41,
|
|
R_PPC64_ADDR16_HIGHESTA = 42,
|
|
R_PPC64_UADDR64 = 43,
|
|
R_PPC64_REL64 = 44,
|
|
R_PPC64_PLT64 = 45,
|
|
R_PPC64_PLTREL64 = 46,
|
|
R_PPC64_TOC16 = 47,
|
|
R_PPC64_TOC16_LO = 48,
|
|
R_PPC64_TOC16_HI = 49,
|
|
R_PPC64_TOC16_HA = 50,
|
|
R_PPC64_TOC = 51,
|
|
R_PPC64_PLTGOT16 = 52,
|
|
R_PPC64_PLTGOT16_LO = 53,
|
|
R_PPC64_PLTGOT16_HI = 54,
|
|
R_PPC64_PLTGOT16_HA = 55,
|
|
R_PPC64_ADDR16_DS = 56,
|
|
R_PPC64_ADDR16_LO_DS = 57,
|
|
R_PPC64_GOT16_DS = 58,
|
|
R_PPC64_GOT16_LO_DS = 59,
|
|
R_PPC64_PLT16_LO_DS = 60,
|
|
R_PPC64_SECTOFF_DS = 61,
|
|
R_PPC64_SECTOFF_LO_DS = 62,
|
|
R_PPC64_TOC16_DS = 63,
|
|
R_PPC64_TOC16_LO_DS = 64,
|
|
R_PPC64_PLTGOT16_DS = 65,
|
|
R_PPC64_PLTGOT16_LO_DS = 66,
|
|
R_POWERPC_TLS = 67,
|
|
R_POWERPC_DTPMOD = 68,
|
|
R_POWERPC_TPREL16 = 69,
|
|
R_POWERPC_TPREL16_LO = 70,
|
|
R_POWERPC_TPREL16_HI = 71,
|
|
R_POWERPC_TPREL16_HA = 72,
|
|
R_POWERPC_TPREL = 73,
|
|
R_POWERPC_DTPREL16 = 74,
|
|
R_POWERPC_DTPREL16_LO = 75,
|
|
R_POWERPC_DTPREL16_HI = 76,
|
|
R_POWERPC_DTPREL16_HA = 77,
|
|
R_POWERPC_DTPREL = 78,
|
|
R_POWERPC_GOT_TLSGD16 = 79,
|
|
R_POWERPC_GOT_TLSGD16_LO = 80,
|
|
R_POWERPC_GOT_TLSGD16_HI = 81,
|
|
R_POWERPC_GOT_TLSGD16_HA = 82,
|
|
R_POWERPC_GOT_TLSLD16 = 83,
|
|
R_POWERPC_GOT_TLSLD16_LO = 84,
|
|
R_POWERPC_GOT_TLSLD16_HI = 85,
|
|
R_POWERPC_GOT_TLSLD16_HA = 86,
|
|
R_POWERPC_GOT_TPREL16 = 87,
|
|
R_POWERPC_GOT_TPREL16_LO = 88,
|
|
R_POWERPC_GOT_TPREL16_HI = 89,
|
|
R_POWERPC_GOT_TPREL16_HA = 90,
|
|
R_POWERPC_GOT_DTPREL16 = 91,
|
|
R_POWERPC_GOT_DTPREL16_LO = 92,
|
|
R_POWERPC_GOT_DTPREL16_HI = 93,
|
|
R_POWERPC_GOT_DTPREL16_HA = 94,
|
|
R_PPC_TLSGD = 95,
|
|
R_PPC64_TPREL16_DS = 95,
|
|
R_PPC_TLSLD = 96,
|
|
R_PPC64_TPREL16_LO_DS = 96,
|
|
R_PPC64_TPREL16_HIGHER = 97,
|
|
R_PPC64_TPREL16_HIGHERA = 98,
|
|
R_PPC64_TPREL16_HIGHEST = 99,
|
|
R_PPC64_TPREL16_HIGHESTA = 100,
|
|
R_PPC_EMB_NADDR32 = 101,
|
|
R_PPC64_DTPREL16_DS = 101,
|
|
R_PPC_EMB_NADDR16 = 102,
|
|
R_PPC64_DTPREL16_LO_DS = 102,
|
|
R_PPC_EMB_NADDR16_LO = 103,
|
|
R_PPC64_DTPREL16_HIGHER = 103,
|
|
R_PPC_EMB_NADDR16_HI = 104,
|
|
R_PPC64_DTPREL16_HIGHERA = 104,
|
|
R_PPC_EMB_NADDR16_HA = 105,
|
|
R_PPC64_DTPREL16_HIGHEST = 105,
|
|
R_PPC_EMB_SDAI16 = 106,
|
|
R_PPC64_DTPREL16_HIGHESTA = 106,
|
|
R_PPC_EMB_SDA2I16 = 107,
|
|
R_PPC64_TLSGD = 107,
|
|
R_PPC_EMB_SDA2REL = 108,
|
|
R_PPC64_TLSLD = 108,
|
|
R_PPC_EMB_SDA21 = 109,
|
|
R_PPC64_TOCSAVE = 109,
|
|
R_PPC_EMB_MRKREF = 110,
|
|
R_PPC64_ADDR16_HIGH = 110,
|
|
R_PPC_EMB_RELSEC16 = 111,
|
|
R_PPC64_ADDR16_HIGHA = 111,
|
|
R_PPC_EMB_RELST_LO = 112,
|
|
R_PPC64_TPREL16_HIGH = 112,
|
|
R_PPC_EMB_RELST_HI = 113,
|
|
R_PPC64_TPREL16_HIGHA = 113,
|
|
R_PPC_EMB_RELST_HA = 114,
|
|
R_PPC64_DTPREL16_HIGH = 114,
|
|
R_PPC_EMB_BIT_FLD = 115,
|
|
R_PPC64_DTPREL16_HIGHA = 115,
|
|
R_PPC_EMB_RELSDA = 116,
|
|
R_PPC64_REL24_NOTOC = 116,
|
|
R_PPC64_ADDR64_LOCAL = 117,
|
|
R_PPC64_ENTRY = 118,
|
|
|
|
R_PPC_VLE_REL8 = 216,
|
|
R_PPC_VLE_REL15 = 217,
|
|
R_PPC_VLE_REL24 = 218,
|
|
R_PPC_VLE_LO16A = 219,
|
|
R_PPC_VLE_LO16D = 220,
|
|
R_PPC_VLE_HI16A = 221,
|
|
R_PPC_VLE_HI16D = 222,
|
|
R_PPC_VLE_HA16A = 223,
|
|
R_PPC_VLE_HA16D = 224,
|
|
R_PPC_VLE_SDA21 = 225,
|
|
R_PPC_VLE_SDA21_LO = 226,
|
|
R_PPC_VLE_SDAREL_LO16A = 227,
|
|
R_PPC_VLE_SDAREL_LO16D = 228,
|
|
R_PPC_VLE_SDAREL_HI16A = 229,
|
|
R_PPC_VLE_SDAREL_HI16D = 230,
|
|
R_PPC_VLE_SDAREL_HA16A = 231,
|
|
R_PPC_VLE_SDAREL_HA16D = 232,
|
|
|
|
R_POWERPC_REL16DX_HA = 246,
|
|
R_PPC64_JMP_IREL = 247,
|
|
R_POWERPC_IRELATIVE = 248,
|
|
R_POWERPC_REL16 = 249,
|
|
R_POWERPC_REL16_LO = 250,
|
|
R_POWERPC_REL16_HI = 251,
|
|
R_POWERPC_REL16_HA = 252,
|
|
R_POWERPC_GNU_VTINHERIT = 253,
|
|
R_POWERPC_GNU_VTENTRY = 254,
|
|
R_PPC_TOC16 = 255,
|
|
};
|
|
|
|
// e_flags values defined for powerpc
|
|
enum
|
|
{
|
|
EF_PPC_EMB = 0x80000000, // PowerPC embedded flag.
|
|
EF_PPC_RELOCATABLE = 0x00010000, // PowerPC -mrelocatable flag. */
|
|
EF_PPC_RELOCATABLE_LIB = 0x00008000, // PowerPC -mrelocatable-lib flag. */
|
|
};
|
|
|
|
// e_flags values defined for powerpc64
|
|
enum
|
|
{
|
|
// ABI version
|
|
// 1 for original function descriptor using ABI,
|
|
// 2 for revised ABI without function descriptors,
|
|
// 0 for unspecified or not using any features affected by the differences.
|
|
EF_PPC64_ABI = 3
|
|
};
|
|
|
|
// DT_PPC64_OPT bits
|
|
enum
|
|
{
|
|
PPC64_OPT_TLS = 1,
|
|
PPC64_OPT_MULTI_TOC = 2,
|
|
PPC64_OPT_LOCALENTRY = 4
|
|
};
|
|
|
|
enum
|
|
{
|
|
// The ELFv2 ABI uses three bits in the symbol st_other field of a
|
|
// function definition to specify the number of instructions between a
|
|
// function's global entry point and local entry point.
|
|
// The global entry point is used when it is necessary to set up the
|
|
// toc pointer (r2) for the function. Callers must enter the global
|
|
// entry point with r12 set to the global entry point address. On
|
|
// return from the function, r2 may have a different value to that
|
|
// which it had on entry.
|
|
// The local entry point is used when r2 is known to already be valid
|
|
// for the function. There is no requirement on r12 when using the
|
|
// local entry point, and on return r2 will contain the same value as
|
|
// at entry.
|
|
// A value of zero in these bits means that the function has a single
|
|
// entry point with no requirement on r12 or r2, and that on return r2
|
|
// will contain the same value as at entry.
|
|
// Values of one and seven are reserved.
|
|
|
|
STO_PPC64_LOCAL_BIT = 5,
|
|
STO_PPC64_LOCAL_MASK = 0xE0
|
|
};
|
|
|
|
// 3 bit other field to bytes.
|
|
static inline unsigned int
|
|
ppc64_decode_local_entry(unsigned int other)
|
|
{
|
|
return ((1 << other) >> 2) << 2;
|
|
}
|
|
|
|
// bytes to field value.
|
|
static inline unsigned int
|
|
ppc64_encode_local_entry(unsigned int val)
|
|
{
|
|
return (val >= 4 * 4
|
|
? (val >= 8 * 4
|
|
? (val >= 16 * 4 ? 6 : 5)
|
|
: 4)
|
|
: (val >= 2 * 4
|
|
? 3
|
|
: (val >= 1 * 4 ? 2 : 0)));
|
|
}
|
|
|
|
} // End namespace elfcpp.
|
|
|
|
#endif // !defined(ELFCPP_POWERPC_H)
|