| // powerpc.h -- ELF definitions specific to EM_PPC and EM_PPC64 -*- C++ -*- |
| |
| // Copyright (C) 2008-2016 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 |
| }; |
| |
| 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) |