144348Simp/* MIPS ELF support for BFD. 2208737Sjmallett Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 3208737Sjmallett 2003, 2004, 2005 477298Sobrien Free Software Foundation, Inc. 544348Simp 644348Simp By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from 744348Simp information in the System V Application Binary Interface, MIPS 844348Simp Processor Supplement. 944348Simp 1044348SimpThis file is part of BFD, the Binary File Descriptor library. 1144348Simp 1244348SimpThis program is free software; you can redistribute it and/or modify 1344348Simpit under the terms of the GNU General Public License as published by 1444348Simpthe Free Software Foundation; either version 2 of the License, or 1544348Simp(at your option) any later version. 1644348Simp 1744348SimpThis program is distributed in the hope that it will be useful, 1844348Simpbut WITHOUT ANY WARRANTY; without even the implied warranty of 1944348SimpMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 2044348SimpGNU General Public License for more details. 2144348Simp 2244348SimpYou should have received a copy of the GNU General Public License 2344348Simpalong with this program; if not, write to the Free Software 24208737SjmallettFoundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 2544348Simp 2644348Simp/* This file holds definitions specific to the MIPS ELF ABI. Note 2744348Simp that most of this is not actually implemented by BFD. */ 2844348Simp 2944348Simp#ifndef _ELF_MIPS_H 3044348Simp#define _ELF_MIPS_H 3144348Simp 3260484Sobrien#include "elf/reloc-macros.h" 3360484Sobrien 3460484Sobrien/* Relocation types. */ 3560484SobrienSTART_RELOC_NUMBERS (elf_mips_reloc_type) 3660484Sobrien RELOC_NUMBER (R_MIPS_NONE, 0) 3760484Sobrien RELOC_NUMBER (R_MIPS_16, 1) 3878828Sobrien RELOC_NUMBER (R_MIPS_32, 2) /* In Elf 64: alias R_MIPS_ADD */ 3978828Sobrien RELOC_NUMBER (R_MIPS_REL32, 3) /* In Elf 64: alias R_MIPS_REL */ 4060484Sobrien RELOC_NUMBER (R_MIPS_26, 4) 4160484Sobrien RELOC_NUMBER (R_MIPS_HI16, 5) 4260484Sobrien RELOC_NUMBER (R_MIPS_LO16, 6) 4378828Sobrien RELOC_NUMBER (R_MIPS_GPREL16, 7) /* In Elf 64: alias R_MIPS_GPREL */ 4460484Sobrien RELOC_NUMBER (R_MIPS_LITERAL, 8) 4578828Sobrien RELOC_NUMBER (R_MIPS_GOT16, 9) /* In Elf 64: alias R_MIPS_GOT */ 4660484Sobrien RELOC_NUMBER (R_MIPS_PC16, 10) 4778828Sobrien RELOC_NUMBER (R_MIPS_CALL16, 11) /* In Elf 64: alias R_MIPS_CALL */ 4860484Sobrien RELOC_NUMBER (R_MIPS_GPREL32, 12) 4960484Sobrien /* The remaining relocs are defined on Irix, although they are not 5060484Sobrien in the MIPS ELF ABI. */ 5160484Sobrien RELOC_NUMBER (R_MIPS_UNUSED1, 13) 5260484Sobrien RELOC_NUMBER (R_MIPS_UNUSED2, 14) 5360484Sobrien RELOC_NUMBER (R_MIPS_UNUSED3, 15) 5460484Sobrien RELOC_NUMBER (R_MIPS_SHIFT5, 16) 5560484Sobrien RELOC_NUMBER (R_MIPS_SHIFT6, 17) 5660484Sobrien RELOC_NUMBER (R_MIPS_64, 18) 5760484Sobrien RELOC_NUMBER (R_MIPS_GOT_DISP, 19) 5860484Sobrien RELOC_NUMBER (R_MIPS_GOT_PAGE, 20) 5960484Sobrien RELOC_NUMBER (R_MIPS_GOT_OFST, 21) 6060484Sobrien RELOC_NUMBER (R_MIPS_GOT_HI16, 22) 6160484Sobrien RELOC_NUMBER (R_MIPS_GOT_LO16, 23) 6260484Sobrien RELOC_NUMBER (R_MIPS_SUB, 24) 6360484Sobrien RELOC_NUMBER (R_MIPS_INSERT_A, 25) 6460484Sobrien RELOC_NUMBER (R_MIPS_INSERT_B, 26) 6560484Sobrien RELOC_NUMBER (R_MIPS_DELETE, 27) 6660484Sobrien RELOC_NUMBER (R_MIPS_HIGHER, 28) 6760484Sobrien RELOC_NUMBER (R_MIPS_HIGHEST, 29) 6860484Sobrien RELOC_NUMBER (R_MIPS_CALL_HI16, 30) 6960484Sobrien RELOC_NUMBER (R_MIPS_CALL_LO16, 31) 7060484Sobrien RELOC_NUMBER (R_MIPS_SCN_DISP, 32) 7160484Sobrien RELOC_NUMBER (R_MIPS_REL16, 33) 7260484Sobrien RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34) 7360484Sobrien RELOC_NUMBER (R_MIPS_PJUMP, 35) 7460484Sobrien RELOC_NUMBER (R_MIPS_RELGOT, 36) 7560484Sobrien RELOC_NUMBER (R_MIPS_JALR, 37) 76218822Sdim /* TLS relocations. */ 77218822Sdim RELOC_NUMBER (R_MIPS_TLS_DTPMOD32, 38) 78218822Sdim RELOC_NUMBER (R_MIPS_TLS_DTPREL32, 39) 79218822Sdim RELOC_NUMBER (R_MIPS_TLS_DTPMOD64, 40) 80218822Sdim RELOC_NUMBER (R_MIPS_TLS_DTPREL64, 41) 81218822Sdim RELOC_NUMBER (R_MIPS_TLS_GD, 42) 82218822Sdim RELOC_NUMBER (R_MIPS_TLS_LDM, 43) 83218822Sdim RELOC_NUMBER (R_MIPS_TLS_DTPREL_HI16, 44) 84218822Sdim RELOC_NUMBER (R_MIPS_TLS_DTPREL_LO16, 45) 85218822Sdim RELOC_NUMBER (R_MIPS_TLS_GOTTPREL, 46) 86218822Sdim RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47) 87218822Sdim RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48) 88218822Sdim RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49) 89218822Sdim RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50) 90218822Sdim RELOC_NUMBER (R_MIPS_GLOB_DAT, 51) 91218822Sdim FAKE_RELOC (R_MIPS_max, 52) 9260484Sobrien /* These relocs are used for the mips16. */ 93218822Sdim FAKE_RELOC (R_MIPS16_min, 100) 9460484Sobrien RELOC_NUMBER (R_MIPS16_26, 100) 9560484Sobrien RELOC_NUMBER (R_MIPS16_GPREL, 101) 96218822Sdim RELOC_NUMBER (R_MIPS16_GOT16, 102) 97218822Sdim RELOC_NUMBER (R_MIPS16_CALL16, 103) 98218822Sdim RELOC_NUMBER (R_MIPS16_HI16, 104) 99218822Sdim RELOC_NUMBER (R_MIPS16_LO16, 105) 100218822Sdim FAKE_RELOC (R_MIPS16_max, 106) 101218822Sdim /* These relocations are specific to VxWorks. */ 102218822Sdim RELOC_NUMBER (R_MIPS_COPY, 126) 103218822Sdim RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127) 104218822Sdim /* This was a GNU extension used by embedded-PIC. It was co-opted by 105218822Sdim mips-linux for exception-handling data. It is no longer used, but 106218822Sdim should continue to be supported by the linker for backward 107218822Sdim compatibility. (GCC stopped using it in May, 2004.) */ 10860484Sobrien RELOC_NUMBER (R_MIPS_PC32, 248) 109218822Sdim /* FIXME: this relocation is used internally by gas. */ 11060484Sobrien RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250) 11160484Sobrien /* These are GNU extensions to enable C++ vtable garbage collection. */ 11260484Sobrien RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253) 11360484Sobrien RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254) 11477298SobrienEND_RELOC_NUMBERS (R_MIPS_maxext) 11560484Sobrien 11644348Simp/* Processor specific flags for the ELF header e_flags field. */ 11744348Simp 11844348Simp/* At least one .noreorder directive appears in the source. */ 11944348Simp#define EF_MIPS_NOREORDER 0x00000001 12044348Simp 12144348Simp/* File contains position independent code. */ 12244348Simp#define EF_MIPS_PIC 0x00000002 12344348Simp 12444348Simp/* Code in file uses the standard calling sequence for calling 12544348Simp position independent code. */ 12644348Simp#define EF_MIPS_CPIC 0x00000004 12744348Simp 128130561Sobrien/* ??? Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a. */ 129130561Sobrien#define EF_MIPS_XGOT 0x00000008 130130561Sobrien 13178828Sobrien/* Code in file uses UCODE (obsolete) */ 13278828Sobrien#define EF_MIPS_UCODE 0x00000010 13378828Sobrien 13444348Simp/* Code in file uses new ABI (-n32 on Irix 6). */ 13544348Simp#define EF_MIPS_ABI2 0x00000020 13644348Simp 13778828Sobrien/* Process the .MIPS.options section first by ld */ 13878828Sobrien#define EF_MIPS_OPTIONS_FIRST 0x00000080 13978828Sobrien 14078828Sobrien/* Architectural Extensions used by this file */ 14178828Sobrien#define EF_MIPS_ARCH_ASE 0x0f000000 14278828Sobrien 14378828Sobrien/* Use MDMX multimedia extensions */ 14478828Sobrien#define EF_MIPS_ARCH_ASE_MDMX 0x08000000 14578828Sobrien 14678828Sobrien/* Use MIPS-16 ISA extensions */ 14778828Sobrien#define EF_MIPS_ARCH_ASE_M16 0x04000000 14878828Sobrien 14978828Sobrien/* Indicates code compiled for a 64-bit machine in 32-bit mode. 15060484Sobrien (regs are 32-bits wide.) */ 15160484Sobrien#define EF_MIPS_32BITMODE 0x00000100 15260484Sobrien 15344348Simp/* Four bit MIPS architecture field. */ 15444348Simp#define EF_MIPS_ARCH 0xf0000000 15544348Simp 15644348Simp/* -mips1 code. */ 15744348Simp#define E_MIPS_ARCH_1 0x00000000 15844348Simp 15944348Simp/* -mips2 code. */ 16044348Simp#define E_MIPS_ARCH_2 0x10000000 16144348Simp 16244348Simp/* -mips3 code. */ 16344348Simp#define E_MIPS_ARCH_3 0x20000000 16444348Simp 16544348Simp/* -mips4 code. */ 16644348Simp#define E_MIPS_ARCH_4 0x30000000 16760484Sobrien 16877298Sobrien/* -mips5 code. */ 16977298Sobrien#define E_MIPS_ARCH_5 0x40000000 17077298Sobrien 17177298Sobrien/* -mips32 code. */ 17277298Sobrien#define E_MIPS_ARCH_32 0x50000000 17377298Sobrien 17477298Sobrien/* -mips64 code. */ 17577298Sobrien#define E_MIPS_ARCH_64 0x60000000 17677298Sobrien 177130561Sobrien/* -mips32r2 code. */ 178130561Sobrien#define E_MIPS_ARCH_32R2 0x70000000 179130561Sobrien 180130561Sobrien/* -mips64r2 code. */ 181130561Sobrien#define E_MIPS_ARCH_64R2 0x80000000 182130561Sobrien 18360484Sobrien/* The ABI of the file. Also see EF_MIPS_ABI2 above. */ 18460484Sobrien#define EF_MIPS_ABI 0x0000F000 18560484Sobrien 18660484Sobrien/* The original o32 abi. */ 18760484Sobrien#define E_MIPS_ABI_O32 0x00001000 18860484Sobrien 18960484Sobrien/* O32 extended to work on 64 bit architectures */ 19060484Sobrien#define E_MIPS_ABI_O64 0x00002000 19160484Sobrien 19260484Sobrien/* EABI in 32 bit mode */ 19360484Sobrien#define E_MIPS_ABI_EABI32 0x00003000 19460484Sobrien 19560484Sobrien/* EABI in 64 bit mode */ 19660484Sobrien#define E_MIPS_ABI_EABI64 0x00004000 19760484Sobrien 19860484Sobrien 19960484Sobrien/* Machine variant if we know it. This field was invented at Cygnus, 20060484Sobrien but it is hoped that other vendors will adopt it. If some standard 20160484Sobrien is developed, this code should be changed to follow it. */ 20260484Sobrien 20360484Sobrien#define EF_MIPS_MACH 0x00FF0000 20460484Sobrien 20560484Sobrien/* Cygnus is choosing values between 80 and 9F; 20660484Sobrien 00 - 7F should be left for a future standard; 20760484Sobrien the rest are open. */ 20860484Sobrien 20960484Sobrien#define E_MIPS_MACH_3900 0x00810000 21060484Sobrien#define E_MIPS_MACH_4010 0x00820000 21160484Sobrien#define E_MIPS_MACH_4100 0x00830000 21260484Sobrien#define E_MIPS_MACH_4650 0x00850000 213130561Sobrien#define E_MIPS_MACH_4120 0x00870000 21460484Sobrien#define E_MIPS_MACH_4111 0x00880000 21577298Sobrien#define E_MIPS_MACH_SB1 0x008a0000 216208737Sjmallett#define E_MIPS_MACH_OCTEON 0x008b0000 217130561Sobrien#define E_MIPS_MACH_5400 0x00910000 218130561Sobrien#define E_MIPS_MACH_5500 0x00980000 219208737Sjmallett#define E_MIPS_MACH_9000 0x00990000 22044348Simp 22144348Simp/* Processor specific section indices. These sections do not actually 22244348Simp exist. Symbols with a st_shndx field corresponding to one of these 22344348Simp values have a special meaning. */ 22444348Simp 22544348Simp/* Defined and allocated common symbol. Value is virtual address. If 22644348Simp relocated, alignment must be preserved. */ 22744348Simp#define SHN_MIPS_ACOMMON 0xff00 22844348Simp 22944348Simp/* Defined and allocated text symbol. Value is virtual address. 23044348Simp Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ 23144348Simp#define SHN_MIPS_TEXT 0xff01 23244348Simp 23344348Simp/* Defined and allocated data symbol. Value is virtual address. 23444348Simp Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ 23544348Simp#define SHN_MIPS_DATA 0xff02 23644348Simp 23744348Simp/* Small common symbol. */ 23844348Simp#define SHN_MIPS_SCOMMON 0xff03 23944348Simp 24044348Simp/* Small undefined symbol. */ 24144348Simp#define SHN_MIPS_SUNDEFINED 0xff04 24244348Simp 24344348Simp/* Processor specific section types. */ 24444348Simp 24544348Simp/* Section contains the set of dynamic shared objects used when 24644348Simp statically linking. */ 24744348Simp#define SHT_MIPS_LIBLIST 0x70000000 24844348Simp 24944348Simp/* I'm not sure what this is, but it's used on Irix 5. */ 25044348Simp#define SHT_MIPS_MSYM 0x70000001 25144348Simp 25244348Simp/* Section contains list of symbols whose definitions conflict with 25344348Simp symbols defined in shared objects. */ 25444348Simp#define SHT_MIPS_CONFLICT 0x70000002 25544348Simp 25644348Simp/* Section contains the global pointer table. */ 25744348Simp#define SHT_MIPS_GPTAB 0x70000003 25844348Simp 25944348Simp/* Section contains microcode information. The exact format is 26044348Simp unspecified. */ 26144348Simp#define SHT_MIPS_UCODE 0x70000004 26244348Simp 26344348Simp/* Section contains some sort of debugging information. The exact 26444348Simp format is unspecified. It's probably ECOFF symbols. */ 26544348Simp#define SHT_MIPS_DEBUG 0x70000005 26644348Simp 26744348Simp/* Section contains register usage information. */ 26844348Simp#define SHT_MIPS_REGINFO 0x70000006 26944348Simp 27060484Sobrien/* ??? */ 27160484Sobrien#define SHT_MIPS_PACKAGE 0x70000007 27260484Sobrien 27360484Sobrien/* ??? */ 27460484Sobrien#define SHT_MIPS_PACKSYM 0x70000008 27560484Sobrien 27660484Sobrien/* ??? */ 27760484Sobrien#define SHT_MIPS_RELD 0x70000009 27860484Sobrien 27944348Simp/* Section contains interface information. */ 28044348Simp#define SHT_MIPS_IFACE 0x7000000b 28144348Simp 28244348Simp/* Section contains description of contents of another section. */ 28344348Simp#define SHT_MIPS_CONTENT 0x7000000c 28444348Simp 28544348Simp/* Section contains miscellaneous options. */ 28644348Simp#define SHT_MIPS_OPTIONS 0x7000000d 28744348Simp 28860484Sobrien/* ??? */ 28960484Sobrien#define SHT_MIPS_SHDR 0x70000010 29060484Sobrien 29160484Sobrien/* ??? */ 29260484Sobrien#define SHT_MIPS_FDESC 0x70000011 29360484Sobrien 29460484Sobrien/* ??? */ 29560484Sobrien#define SHT_MIPS_EXTSYM 0x70000012 29660484Sobrien 29760484Sobrien/* ??? */ 29860484Sobrien#define SHT_MIPS_DENSE 0x70000013 29960484Sobrien 30060484Sobrien/* ??? */ 30160484Sobrien#define SHT_MIPS_PDESC 0x70000014 30260484Sobrien 30360484Sobrien/* ??? */ 30460484Sobrien#define SHT_MIPS_LOCSYM 0x70000015 30560484Sobrien 30660484Sobrien/* ??? */ 30760484Sobrien#define SHT_MIPS_AUXSYM 0x70000016 30860484Sobrien 30960484Sobrien/* ??? */ 31060484Sobrien#define SHT_MIPS_OPTSYM 0x70000017 31160484Sobrien 31260484Sobrien/* ??? */ 31360484Sobrien#define SHT_MIPS_LOCSTR 0x70000018 31460484Sobrien 31560484Sobrien/* ??? */ 31660484Sobrien#define SHT_MIPS_LINE 0x70000019 31760484Sobrien 31860484Sobrien/* ??? */ 31960484Sobrien#define SHT_MIPS_RFDESC 0x7000001a 32060484Sobrien 32178828Sobrien/* Delta C++: symbol table */ 32260484Sobrien#define SHT_MIPS_DELTASYM 0x7000001b 32360484Sobrien 32478828Sobrien/* Delta C++: instance table */ 32560484Sobrien#define SHT_MIPS_DELTAINST 0x7000001c 32660484Sobrien 32778828Sobrien/* Delta C++: class table */ 32860484Sobrien#define SHT_MIPS_DELTACLASS 0x7000001d 32960484Sobrien 33044348Simp/* DWARF debugging section. */ 33144348Simp#define SHT_MIPS_DWARF 0x7000001e 33244348Simp 33378828Sobrien/* Delta C++: declarations */ 33460484Sobrien#define SHT_MIPS_DELTADECL 0x7000001f 33560484Sobrien 33660484Sobrien/* List of libraries the binary depends on. Includes a time stamp, version 33760484Sobrien number. */ 33844348Simp#define SHT_MIPS_SYMBOL_LIB 0x70000020 33944348Simp 34044348Simp/* Events section. */ 34144348Simp#define SHT_MIPS_EVENTS 0x70000021 34244348Simp 34360484Sobrien/* ??? */ 34460484Sobrien#define SHT_MIPS_TRANSLATE 0x70000022 34560484Sobrien 34678828Sobrien/* Special pixie sections */ 34760484Sobrien#define SHT_MIPS_PIXIE 0x70000023 34860484Sobrien 34978828Sobrien/* Address translation table (for debug info) */ 35060484Sobrien#define SHT_MIPS_XLATE 0x70000024 35160484Sobrien 35278828Sobrien/* SGI internal address translation table (for debug info) */ 35360484Sobrien#define SHT_MIPS_XLATE_DEBUG 0x70000025 35460484Sobrien 35578828Sobrien/* Intermediate code */ 35660484Sobrien#define SHT_MIPS_WHIRL 0x70000026 35760484Sobrien 35878828Sobrien/* C++ exception handling region info */ 35960484Sobrien#define SHT_MIPS_EH_REGION 0x70000027 36060484Sobrien 36178828Sobrien/* Obsolete address translation table (for debug info) */ 36260484Sobrien#define SHT_MIPS_XLATE_OLD 0x70000028 36360484Sobrien 36478828Sobrien/* Runtime procedure descriptor table exception information (ucode) ??? */ 36560484Sobrien#define SHT_MIPS_PDR_EXCEPTION 0x70000029 36660484Sobrien 36760484Sobrien 36844348Simp/* A section of type SHT_MIPS_LIBLIST contains an array of the 36944348Simp following structure. The sh_link field is the section index of the 37044348Simp string table. The sh_info field is the number of entries in the 37144348Simp section. */ 37244348Simptypedef struct 37344348Simp{ 37444348Simp /* String table index for name of shared object. */ 37544348Simp unsigned long l_name; 37644348Simp /* Time stamp. */ 37744348Simp unsigned long l_time_stamp; 37844348Simp /* Checksum of symbol names and common sizes. */ 37944348Simp unsigned long l_checksum; 38044348Simp /* String table index for version. */ 38144348Simp unsigned long l_version; 38244348Simp /* Flags. */ 38344348Simp unsigned long l_flags; 38444348Simp} Elf32_Lib; 38544348Simp 38660484Sobrien/* The external version of Elf32_Lib. */ 38760484Sobrientypedef struct 38860484Sobrien{ 38960484Sobrien unsigned char l_name[4]; 39060484Sobrien unsigned char l_time_stamp[4]; 39160484Sobrien unsigned char l_checksum[4]; 39260484Sobrien unsigned char l_version[4]; 39360484Sobrien unsigned char l_flags[4]; 39460484Sobrien} Elf32_External_Lib; 39560484Sobrien 39644348Simp/* The l_flags field of an Elf32_Lib structure may contain the 39744348Simp following flags. */ 39844348Simp 39944348Simp/* Require an exact match at runtime. */ 40044348Simp#define LL_EXACT_MATCH 0x00000001 40144348Simp 40244348Simp/* Ignore version incompatibilities at runtime. */ 40344348Simp#define LL_IGNORE_INT_VER 0x00000002 40444348Simp 40560484Sobrien/* Require matching minor version number. */ 40660484Sobrien#define LL_REQUIRE_MINOR 0x00000004 40760484Sobrien 40860484Sobrien/* ??? */ 40960484Sobrien#define LL_EXPORTS 0x00000008 41060484Sobrien 41160484Sobrien/* Delay loading of this library until really needed. */ 41260484Sobrien#define LL_DELAY_LOAD 0x00000010 41360484Sobrien 41460484Sobrien/* ??? Delta C++ stuff ??? */ 41560484Sobrien#define LL_DELTA 0x00000020 41660484Sobrien 41760484Sobrien 41844348Simp/* A section of type SHT_MIPS_CONFLICT is an array of indices into the 41944348Simp .dynsym section. Each element has the following type. */ 42044348Simptypedef unsigned long Elf32_Conflict; 42160484Sobrientypedef unsigned char Elf32_External_Conflict[4]; 42244348Simp 42360484Sobrientypedef unsigned long Elf64_Conflict; 42460484Sobrientypedef unsigned char Elf64_External_Conflict[8]; 42560484Sobrien 42644348Simp/* A section of type SHT_MIPS_GPTAB contains information about how 42744348Simp much GP space would be required for different -G arguments. This 42844348Simp information is only used so that the linker can provide informative 42944348Simp suggestions as to the best -G value to use. The sh_info field is 43044348Simp the index of the section for which this information applies. The 43144348Simp contents of the section are an array of the following union. The 43244348Simp first element uses the gt_header field. The remaining elements use 43344348Simp the gt_entry field. */ 43444348Simptypedef union 43544348Simp{ 43644348Simp struct 43744348Simp { 43844348Simp /* -G value actually used for this object file. */ 43944348Simp unsigned long gt_current_g_value; 44044348Simp /* Unused. */ 44144348Simp unsigned long gt_unused; 44244348Simp } gt_header; 44344348Simp struct 44444348Simp { 44544348Simp /* If this -G argument has been used... */ 44644348Simp unsigned long gt_g_value; 44744348Simp /* ...this many GP section bytes would be required. */ 44844348Simp unsigned long gt_bytes; 44944348Simp } gt_entry; 45044348Simp} Elf32_gptab; 45144348Simp 45244348Simp/* The external version of Elf32_gptab. */ 45344348Simp 45444348Simptypedef union 45544348Simp{ 45644348Simp struct 45744348Simp { 45844348Simp unsigned char gt_current_g_value[4]; 45944348Simp unsigned char gt_unused[4]; 46044348Simp } gt_header; 46144348Simp struct 46244348Simp { 46344348Simp unsigned char gt_g_value[4]; 46444348Simp unsigned char gt_bytes[4]; 46544348Simp } gt_entry; 46644348Simp} Elf32_External_gptab; 46744348Simp 46844348Simp/* A section of type SHT_MIPS_REGINFO contains the following 46944348Simp structure. */ 47044348Simptypedef struct 47144348Simp{ 47244348Simp /* Mask of general purpose registers used. */ 47344348Simp unsigned long ri_gprmask; 47444348Simp /* Mask of co-processor registers used. */ 47544348Simp unsigned long ri_cprmask[4]; 47644348Simp /* GP register value for this object file. */ 47744348Simp long ri_gp_value; 47844348Simp} Elf32_RegInfo; 47944348Simp 48044348Simp/* The external version of the Elf_RegInfo structure. */ 48144348Simptypedef struct 48244348Simp{ 48344348Simp unsigned char ri_gprmask[4]; 48444348Simp unsigned char ri_cprmask[4][4]; 48544348Simp unsigned char ri_gp_value[4]; 48644348Simp} Elf32_External_RegInfo; 48744348Simp 48844348Simp/* MIPS ELF .reginfo swapping routines. */ 48944348Simpextern void bfd_mips_elf32_swap_reginfo_in 490130561Sobrien (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *); 49144348Simpextern void bfd_mips_elf32_swap_reginfo_out 492130561Sobrien (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *); 49344348Simp 49444348Simp/* Processor specific section flags. */ 49544348Simp 49644348Simp/* This section must be in the global data area. */ 49744348Simp#define SHF_MIPS_GPREL 0x10000000 49844348Simp 49944348Simp/* This section should be merged. */ 50044348Simp#define SHF_MIPS_MERGE 0x20000000 50144348Simp 50278828Sobrien/* This section contains address data of size implied by section 50378828Sobrien element size. */ 50478828Sobrien#define SHF_MIPS_ADDR 0x40000000 50544348Simp 50678828Sobrien/* This section contains string data. */ 50778828Sobrien#define SHF_MIPS_STRING 0x80000000 50844348Simp 50944348Simp/* This section may not be stripped. */ 51044348Simp#define SHF_MIPS_NOSTRIP 0x08000000 51144348Simp 51244348Simp/* This section is local to threads. */ 51344348Simp#define SHF_MIPS_LOCAL 0x04000000 51444348Simp 51544348Simp/* Linker should generate implicit weak names for this section. */ 51644348Simp#define SHF_MIPS_NAMES 0x02000000 51778828Sobrien 51878828Sobrien/* Section contais text/data which may be replicated in other sections. 51978828Sobrien Linker should retain only one copy. */ 52078828Sobrien#define SHF_MIPS_NODUPES 0x01000000 52144348Simp 52244348Simp/* Processor specific program header types. */ 52344348Simp 52444348Simp/* Register usage information. Identifies one .reginfo section. */ 52544348Simp#define PT_MIPS_REGINFO 0x70000000 52644348Simp 52744348Simp/* Runtime procedure table. */ 52844348Simp#define PT_MIPS_RTPROC 0x70000001 52960484Sobrien 53078828Sobrien/* .MIPS.options section. */ 53160484Sobrien#define PT_MIPS_OPTIONS 0x70000002 53244348Simp 53344348Simp/* Processor specific dynamic array tags. */ 53444348Simp 53544348Simp/* 32 bit version number for runtime linker interface. */ 53644348Simp#define DT_MIPS_RLD_VERSION 0x70000001 53744348Simp 53844348Simp/* Time stamp. */ 53944348Simp#define DT_MIPS_TIME_STAMP 0x70000002 54044348Simp 54144348Simp/* Checksum of external strings and common sizes. */ 54244348Simp#define DT_MIPS_ICHECKSUM 0x70000003 54344348Simp 54444348Simp/* Index of version string in string table. */ 54544348Simp#define DT_MIPS_IVERSION 0x70000004 54644348Simp 54744348Simp/* 32 bits of flags. */ 54844348Simp#define DT_MIPS_FLAGS 0x70000005 54944348Simp 55044348Simp/* Base address of the segment. */ 55144348Simp#define DT_MIPS_BASE_ADDRESS 0x70000006 55244348Simp 55360484Sobrien/* ??? */ 55460484Sobrien#define DT_MIPS_MSYM 0x70000007 55560484Sobrien 55644348Simp/* Address of .conflict section. */ 55744348Simp#define DT_MIPS_CONFLICT 0x70000008 55844348Simp 55944348Simp/* Address of .liblist section. */ 56044348Simp#define DT_MIPS_LIBLIST 0x70000009 56144348Simp 56244348Simp/* Number of local global offset table entries. */ 56344348Simp#define DT_MIPS_LOCAL_GOTNO 0x7000000a 56444348Simp 56544348Simp/* Number of entries in the .conflict section. */ 56644348Simp#define DT_MIPS_CONFLICTNO 0x7000000b 56744348Simp 56844348Simp/* Number of entries in the .liblist section. */ 56944348Simp#define DT_MIPS_LIBLISTNO 0x70000010 57044348Simp 57144348Simp/* Number of entries in the .dynsym section. */ 57244348Simp#define DT_MIPS_SYMTABNO 0x70000011 57344348Simp 57444348Simp/* Index of first external dynamic symbol not referenced locally. */ 57544348Simp#define DT_MIPS_UNREFEXTNO 0x70000012 57644348Simp 57744348Simp/* Index of first dynamic symbol in global offset table. */ 57844348Simp#define DT_MIPS_GOTSYM 0x70000013 57944348Simp 58044348Simp/* Number of page table entries in global offset table. */ 58144348Simp#define DT_MIPS_HIPAGENO 0x70000014 58244348Simp 58344348Simp/* Address of run time loader map, used for debugging. */ 58444348Simp#define DT_MIPS_RLD_MAP 0x70000016 58560484Sobrien 58660484Sobrien/* Delta C++ class definition. */ 58760484Sobrien#define DT_MIPS_DELTA_CLASS 0x70000017 58860484Sobrien 58960484Sobrien/* Number of entries in DT_MIPS_DELTA_CLASS. */ 59060484Sobrien#define DT_MIPS_DELTA_CLASS_NO 0x70000018 59160484Sobrien 59260484Sobrien/* Delta C++ class instances. */ 59360484Sobrien#define DT_MIPS_DELTA_INSTANCE 0x70000019 59460484Sobrien 59560484Sobrien/* Number of entries in DT_MIPS_DELTA_INSTANCE. */ 59660484Sobrien#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a 59760484Sobrien 59860484Sobrien/* Delta relocations. */ 59960484Sobrien#define DT_MIPS_DELTA_RELOC 0x7000001b 60060484Sobrien 60160484Sobrien/* Number of entries in DT_MIPS_DELTA_RELOC. */ 60260484Sobrien#define DT_MIPS_DELTA_RELOC_NO 0x7000001c 60360484Sobrien 60460484Sobrien/* Delta symbols that Delta relocations refer to. */ 60560484Sobrien#define DT_MIPS_DELTA_SYM 0x7000001d 60660484Sobrien 60760484Sobrien/* Number of entries in DT_MIPS_DELTA_SYM. */ 60860484Sobrien#define DT_MIPS_DELTA_SYM_NO 0x7000001e 60960484Sobrien 61060484Sobrien/* Delta symbols that hold class declarations. */ 61160484Sobrien#define DT_MIPS_DELTA_CLASSSYM 0x70000020 61260484Sobrien 61360484Sobrien/* Number of entries in DT_MIPS_DELTA_CLASSSYM. */ 61460484Sobrien#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 61560484Sobrien 61660484Sobrien/* Flags indicating information about C++ flavor. */ 61760484Sobrien#define DT_MIPS_CXX_FLAGS 0x70000022 61860484Sobrien 61960484Sobrien/* Pixie information (???). */ 62060484Sobrien#define DT_MIPS_PIXIE_INIT 0x70000023 62160484Sobrien 62278828Sobrien/* Address of .MIPS.symlib */ 62360484Sobrien#define DT_MIPS_SYMBOL_LIB 0x70000024 62460484Sobrien 62578828Sobrien/* The GOT index of the first PTE for a segment */ 62660484Sobrien#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 62760484Sobrien 62878828Sobrien/* The GOT index of the first PTE for a local symbol */ 62960484Sobrien#define DT_MIPS_LOCAL_GOTIDX 0x70000026 63060484Sobrien 63178828Sobrien/* The GOT index of the first PTE for a hidden symbol */ 63260484Sobrien#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 63360484Sobrien 63478828Sobrien/* The GOT index of the first PTE for a protected symbol */ 63560484Sobrien#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 63660484Sobrien 63760484Sobrien/* Address of `.MIPS.options'. */ 63860484Sobrien#define DT_MIPS_OPTIONS 0x70000029 63960484Sobrien 64060484Sobrien/* Address of `.interface'. */ 64160484Sobrien#define DT_MIPS_INTERFACE 0x7000002a 64260484Sobrien 64360484Sobrien/* ??? */ 64460484Sobrien#define DT_MIPS_DYNSTR_ALIGN 0x7000002b 64560484Sobrien 64660484Sobrien/* Size of the .interface section. */ 64760484Sobrien#define DT_MIPS_INTERFACE_SIZE 0x7000002c 64860484Sobrien 64960484Sobrien/* Size of rld_text_resolve function stored in the GOT. */ 65060484Sobrien#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d 65160484Sobrien 65260484Sobrien/* Default suffix of DSO to be added by rld on dlopen() calls. */ 65360484Sobrien#define DT_MIPS_PERF_SUFFIX 0x7000002e 65460484Sobrien 65560484Sobrien/* Size of compact relocation section (O32). */ 65660484Sobrien#define DT_MIPS_COMPACT_SIZE 0x7000002f 65760484Sobrien 65860484Sobrien/* GP value for auxiliary GOTs. */ 65960484Sobrien#define DT_MIPS_GP_VALUE 0x70000030 66060484Sobrien 66160484Sobrien/* Address of auxiliary .dynamic. */ 66260484Sobrien#define DT_MIPS_AUX_DYNAMIC 0x70000031 66344348Simp 66444348Simp/* Flags which may appear in a DT_MIPS_FLAGS entry. */ 66544348Simp 66644348Simp/* No flags. */ 66744348Simp#define RHF_NONE 0x00000000 66844348Simp 66944348Simp/* Uses shortcut pointers. */ 67044348Simp#define RHF_QUICKSTART 0x00000001 67144348Simp 67244348Simp/* Hash size is not a power of two. */ 67344348Simp#define RHF_NOTPOT 0x00000002 67444348Simp 67544348Simp/* Ignore LD_LIBRARY_PATH. */ 67678828Sobrien#define RHS_NO_LIBRARY_REPLACEMENT 0x00000004 67760484Sobrien 67878828Sobrien/* DSO address may not be relocated. */ 67978828Sobrien#define RHF_NO_MOVE 0x00000008 68078828Sobrien 68178828Sobrien/* SGI specific features. */ 68278828Sobrien#define RHF_SGI_ONLY 0x00000010 68378828Sobrien 68478828Sobrien/* Guarantee that .init will finish executing before any non-init 68578828Sobrien code in DSO is called. */ 68660484Sobrien#define RHF_GUARANTEE_INIT 0x00000020 68778828Sobrien 68878828Sobrien/* Contains Delta C++ code. */ 68960484Sobrien#define RHF_DELTA_C_PLUS_PLUS 0x00000040 69078828Sobrien 69178828Sobrien/* Guarantee that .init will start executing before any non-init 69278828Sobrien code in DSO is called. */ 69360484Sobrien#define RHF_GUARANTEE_START_INIT 0x00000080 69478828Sobrien 69578828Sobrien/* Generated by pixie. */ 69660484Sobrien#define RHF_PIXIE 0x00000100 69778828Sobrien 69878828Sobrien/* Delay-load DSO by default. */ 69960484Sobrien#define RHF_DEFAULT_DELAY_LOAD 0x00000200 70078828Sobrien 70178828Sobrien/* Object may be requickstarted */ 70260484Sobrien#define RHF_REQUICKSTART 0x00000400 70378828Sobrien 70478828Sobrien/* Object has been requickstarted */ 70560484Sobrien#define RHF_REQUICKSTARTED 0x00000800 70678828Sobrien 70778828Sobrien/* Generated by cord. */ 70860484Sobrien#define RHF_CORD 0x00001000 70978828Sobrien 71078828Sobrien/* Object contains no unresolved undef symbols. */ 71160484Sobrien#define RHF_NO_UNRES_UNDEF 0x00002000 71278828Sobrien 71378828Sobrien/* Symbol table is in a safe order. */ 71460484Sobrien#define RHF_RLD_ORDER_SAFE 0x00004000 71544348Simp 71644348Simp/* Special values for the st_other field in the symbol table. These 71744348Simp are used in an Irix 5 dynamic symbol table. */ 71844348Simp 71960484Sobrien#define STO_DEFAULT STV_DEFAULT 72060484Sobrien#define STO_INTERNAL STV_INTERNAL 72160484Sobrien#define STO_HIDDEN STV_HIDDEN 72260484Sobrien#define STO_PROTECTED STV_PROTECTED 72344348Simp 72444348Simp/* This value is used for a mips16 .text symbol. */ 72544348Simp#define STO_MIPS16 0xf0 726218822Sdim 727218822Sdim/* This bit is used on Irix to indicate a symbol whose definition 728218822Sdim is optional - if, at final link time, it cannot be found, no 729218822Sdim error message should be produced. */ 730218822Sdim#define STO_OPTIONAL (1 << 2) 731218822Sdim/* A macro to examine the STO_OPTIONAL bit. */ 732218822Sdim#define ELF_MIPS_IS_OPTIONAL(other) ((other) & STO_OPTIONAL) 73344348Simp 73444348Simp/* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each 73544348Simp relocation entry specifies up to three actual relocations, all at 73644348Simp the same address. The first relocation which required a symbol 73744348Simp uses the symbol in the r_sym field. The second relocation which 73844348Simp requires a symbol uses the symbol in the r_ssym field. If all 73944348Simp three relocations require a symbol, the third one uses a zero 74044348Simp value. */ 74144348Simp 74244348Simp/* An entry in a 64 bit SHT_REL section. */ 74344348Simp 74444348Simptypedef struct 74544348Simp{ 74644348Simp /* Address of relocation. */ 74744348Simp unsigned char r_offset[8]; 74844348Simp /* Symbol index. */ 74944348Simp unsigned char r_sym[4]; 75044348Simp /* Special symbol. */ 75144348Simp unsigned char r_ssym[1]; 75244348Simp /* Third relocation. */ 75344348Simp unsigned char r_type3[1]; 75444348Simp /* Second relocation. */ 75544348Simp unsigned char r_type2[1]; 75644348Simp /* First relocation. */ 75744348Simp unsigned char r_type[1]; 75844348Simp} Elf64_Mips_External_Rel; 75944348Simp 76044348Simptypedef struct 76144348Simp{ 76244348Simp /* Address of relocation. */ 76344348Simp bfd_vma r_offset; 76444348Simp /* Symbol index. */ 76544348Simp unsigned long r_sym; 76644348Simp /* Special symbol. */ 76744348Simp unsigned char r_ssym; 76844348Simp /* Third relocation. */ 76944348Simp unsigned char r_type3; 77044348Simp /* Second relocation. */ 77144348Simp unsigned char r_type2; 77244348Simp /* First relocation. */ 77344348Simp unsigned char r_type; 77444348Simp} Elf64_Mips_Internal_Rel; 77544348Simp 77644348Simp/* An entry in a 64 bit SHT_RELA section. */ 77744348Simp 77844348Simptypedef struct 77944348Simp{ 78044348Simp /* Address of relocation. */ 78144348Simp unsigned char r_offset[8]; 78244348Simp /* Symbol index. */ 78344348Simp unsigned char r_sym[4]; 78444348Simp /* Special symbol. */ 78544348Simp unsigned char r_ssym[1]; 78644348Simp /* Third relocation. */ 78744348Simp unsigned char r_type3[1]; 78844348Simp /* Second relocation. */ 78944348Simp unsigned char r_type2[1]; 79044348Simp /* First relocation. */ 79144348Simp unsigned char r_type[1]; 79244348Simp /* Addend. */ 79344348Simp unsigned char r_addend[8]; 79444348Simp} Elf64_Mips_External_Rela; 79544348Simp 79644348Simptypedef struct 79744348Simp{ 79844348Simp /* Address of relocation. */ 79944348Simp bfd_vma r_offset; 80044348Simp /* Symbol index. */ 80144348Simp unsigned long r_sym; 80244348Simp /* Special symbol. */ 80344348Simp unsigned char r_ssym; 80444348Simp /* Third relocation. */ 80544348Simp unsigned char r_type3; 80644348Simp /* Second relocation. */ 80744348Simp unsigned char r_type2; 80844348Simp /* First relocation. */ 80944348Simp unsigned char r_type; 81044348Simp /* Addend. */ 81144348Simp bfd_signed_vma r_addend; 81244348Simp} Elf64_Mips_Internal_Rela; 81344348Simp 81478828Sobrien/* MIPS ELF 64 relocation info access macros. */ 81578828Sobrien#define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff) 81678828Sobrien#define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff) 81778828Sobrien#define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff) 81878828Sobrien#define ELF64_MIPS_R_TYPE(i) ((i) & 0xff) 81978828Sobrien 82044348Simp/* Values found in the r_ssym field of a relocation entry. */ 82144348Simp 82244348Simp/* No relocation. */ 82344348Simp#define RSS_UNDEF 0 82444348Simp 82544348Simp/* Value of GP. */ 82644348Simp#define RSS_GP 1 82744348Simp 82844348Simp/* Value of GP in object being relocated. */ 82944348Simp#define RSS_GP0 2 83044348Simp 83144348Simp/* Address of location being relocated. */ 83244348Simp#define RSS_LOC 3 83344348Simp 83444348Simp/* A SHT_MIPS_OPTIONS section contains a series of options, each of 83544348Simp which starts with this header. */ 83644348Simp 83744348Simptypedef struct 83844348Simp{ 83944348Simp /* Type of option. */ 84044348Simp unsigned char kind[1]; 84144348Simp /* Size of option descriptor, including header. */ 84244348Simp unsigned char size[1]; 84344348Simp /* Section index of affected section, or 0 for global option. */ 84444348Simp unsigned char section[2]; 84544348Simp /* Information specific to this kind of option. */ 84644348Simp unsigned char info[4]; 84744348Simp} Elf_External_Options; 84844348Simp 84944348Simptypedef struct 85044348Simp{ 85144348Simp /* Type of option. */ 85244348Simp unsigned char kind; 85344348Simp /* Size of option descriptor, including header. */ 85444348Simp unsigned char size; 85544348Simp /* Section index of affected section, or 0 for global option. */ 85644348Simp unsigned short section; 85744348Simp /* Information specific to this kind of option. */ 85844348Simp unsigned long info; 85944348Simp} Elf_Internal_Options; 86044348Simp 86144348Simp/* MIPS ELF option header swapping routines. */ 86244348Simpextern void bfd_mips_elf_swap_options_in 863130561Sobrien (bfd *, const Elf_External_Options *, Elf_Internal_Options *); 86444348Simpextern void bfd_mips_elf_swap_options_out 865130561Sobrien (bfd *, const Elf_Internal_Options *, Elf_External_Options *); 86644348Simp 86744348Simp/* Values which may appear in the kind field of an Elf_Options 86844348Simp structure. */ 86944348Simp 87044348Simp/* Undefined. */ 87144348Simp#define ODK_NULL 0 87244348Simp 87344348Simp/* Register usage and GP value. */ 87444348Simp#define ODK_REGINFO 1 87544348Simp 87644348Simp/* Exception processing information. */ 87744348Simp#define ODK_EXCEPTIONS 2 87844348Simp 87944348Simp/* Section padding information. */ 88044348Simp#define ODK_PAD 3 88144348Simp 88260484Sobrien/* Hardware workarounds performed. */ 88360484Sobrien#define ODK_HWPATCH 4 88460484Sobrien 88560484Sobrien/* Fill value used by the linker. */ 88660484Sobrien#define ODK_FILL 5 88760484Sobrien 88860484Sobrien/* Reserved space for desktop tools. */ 88960484Sobrien#define ODK_TAGS 6 89060484Sobrien 89160484Sobrien/* Hardware workarounds, AND bits when merging. */ 89260484Sobrien#define ODK_HWAND 7 89360484Sobrien 89460484Sobrien/* Hardware workarounds, OR bits when merging. */ 89560484Sobrien#define ODK_HWOR 8 89660484Sobrien 89760484Sobrien/* GP group to use for text/data sections. */ 89860484Sobrien#define ODK_GP_GROUP 9 89960484Sobrien 90060484Sobrien/* ID information. */ 90160484Sobrien#define ODK_IDENT 10 90260484Sobrien 90360484Sobrien/* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo 90444348Simp structure. In the 64 bit ABI, it is the following structure. The 90544348Simp info field of the options header is not used. */ 90644348Simp 90744348Simptypedef struct 90844348Simp{ 90944348Simp /* Mask of general purpose registers used. */ 91044348Simp unsigned char ri_gprmask[4]; 91144348Simp /* Padding. */ 91244348Simp unsigned char ri_pad[4]; 91344348Simp /* Mask of co-processor registers used. */ 91444348Simp unsigned char ri_cprmask[4][4]; 91544348Simp /* GP register value for this object file. */ 91644348Simp unsigned char ri_gp_value[8]; 91744348Simp} Elf64_External_RegInfo; 91844348Simp 91944348Simptypedef struct 92044348Simp{ 92144348Simp /* Mask of general purpose registers used. */ 92244348Simp unsigned long ri_gprmask; 92344348Simp /* Padding. */ 92444348Simp unsigned long ri_pad; 92544348Simp /* Mask of co-processor registers used. */ 92644348Simp unsigned long ri_cprmask[4]; 92744348Simp /* GP register value for this object file. */ 92844348Simp bfd_vma ri_gp_value; 92944348Simp} Elf64_Internal_RegInfo; 93044348Simp 93160484Sobrientypedef struct 93260484Sobrien{ 93360484Sobrien /* The hash value computed from the name of the corresponding 93460484Sobrien dynamic symbol. */ 93560484Sobrien unsigned char ms_hash_value[4]; 93660484Sobrien /* Contains both the dynamic relocation index and the symbol flags 93760484Sobrien field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used 93860484Sobrien to access the individual values. The dynamic relocation index 93960484Sobrien identifies the first entry in the .rel.dyn section that 94060484Sobrien references the dynamic symbol corresponding to this msym entry. 94160484Sobrien If the index is 0, no dynamic relocations are associated with the 94260484Sobrien symbol. The symbol flags field is reserved for future use. */ 94360484Sobrien unsigned char ms_info[4]; 94460484Sobrien} Elf32_External_Msym; 94560484Sobrien 94660484Sobrientypedef struct 94760484Sobrien{ 94860484Sobrien /* The hash value computed from the name of the corresponding 94960484Sobrien dynamic symbol. */ 95060484Sobrien unsigned long ms_hash_value; 95160484Sobrien /* Contains both the dynamic relocation index and the symbol flags 95260484Sobrien field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used 95360484Sobrien to access the individual values. The dynamic relocation index 95460484Sobrien identifies the first entry in the .rel.dyn section that 95560484Sobrien references the dynamic symbol corresponding to this msym entry. 95660484Sobrien If the index is 0, no dynamic relocations are associated with the 95760484Sobrien symbol. The symbol flags field is reserved for future use. */ 95860484Sobrien unsigned long ms_info; 95960484Sobrien} Elf32_Internal_Msym; 96060484Sobrien 96160484Sobrien#define ELF32_MS_REL_INDEX(i) ((i) >> 8) 96260484Sobrien#define ELF32_MS_FLAGS(i) (i) & 0xff) 96360484Sobrien#define ELF32_MS_INFO(r, f) (((r) << 8) + ((f) & 0xff)) 96460484Sobrien 96544348Simp/* MIPS ELF reginfo swapping routines. */ 96644348Simpextern void bfd_mips_elf64_swap_reginfo_in 967130561Sobrien (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *); 96844348Simpextern void bfd_mips_elf64_swap_reginfo_out 969130561Sobrien (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *); 97044348Simp 97160484Sobrien/* Masks for the info work of an ODK_EXCEPTIONS descriptor. */ 97260484Sobrien#define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */ 97360484Sobrien#define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */ 97460484Sobrien#define OEX_PAGE0 0x10000 /* Page zero must be mapped. */ 97560484Sobrien#define OEX_SMM 0x20000 /* Force sequential memory mode. */ 97678828Sobrien#define OEX_FPDBUG 0x40000 /* Force precise floating-point 97778828Sobrien exceptions (debug mode). */ 97860484Sobrien#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */ 97960484Sobrien 98060484Sobrien/* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */ 98160484Sobrien#define OEX_FPU_INVAL 0x10 /* Invalid operation exception. */ 98260484Sobrien#define OEX_FPU_DIV0 0x08 /* Division by zero exception. */ 98360484Sobrien#define OEX_FPU_OFLO 0x04 /* Overflow exception. */ 98460484Sobrien#define OEX_FPU_UFLO 0x02 /* Underflow exception. */ 98560484Sobrien#define OEX_FPU_INEX 0x01 /* Inexact exception. */ 98660484Sobrien 98760484Sobrien/* Masks for the info word of an ODK_PAD descriptor. */ 98860484Sobrien#define OPAD_PREFIX 0x01 98960484Sobrien#define OPAD_POSTFIX 0x02 99060484Sobrien#define OPAD_SYMBOL 0x04 99160484Sobrien 99260484Sobrien/* Masks for the info word of an ODK_HWPATCH descriptor. */ 99378828Sobrien#define OHW_R4KEOP 0x00000001 /* R4000 end-of-page patch. */ 99478828Sobrien#define OHW_R8KPFETCH 0x00000002 /* May need R8000 prefetch patch. */ 99578828Sobrien#define OHW_R5KEOP 0x00000004 /* R5000 end-of-page patch. */ 99678828Sobrien#define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug 99778828Sobrien (clean == 1). */ 99878828Sobrien#define OHW_R10KLDL 0x00000010 /* Needs R10K misaligned 99978828Sobrien load patch. */ 100060484Sobrien 100160484Sobrien/* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */ 100260484Sobrien#define OGP_GROUP 0x0000ffff /* GP group number. */ 100360484Sobrien#define OGP_SELF 0xffff0000 /* Self-contained GP groups. */ 100460484Sobrien 100560484Sobrien/* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */ 100660484Sobrien#define OHWA0_R4KEOP_CHECKED 0x00000001 100760484Sobrien#define OHWA0_R4KEOP_CLEAN 0x00000002 100860484Sobrien 100960484Sobrien 1010218822Sdim/* Object attribute tags. */ 1011218822Sdimenum 1012218822Sdim{ 1013218822Sdim /* 0-3 are generic. */ 1014218822Sdim Tag_GNU_MIPS_ABI_FP = 4, /* Value 1 for hard-float -mdouble-float, 2 1015218822Sdim for hard-float -msingle-float, 3 for 1016218822Sdim soft-float; 0 for not tagged or not 1017218822Sdim using any ABIs affected by the 1018218822Sdim differences. */ 1019218822Sdim}; 1020218822Sdim 102144348Simp#endif /* _ELF_MIPS_H */ 1022