/* MIPS ELF support for BFD.
- Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1993-2015 Free Software Foundation, Inc.
By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
information in the System V Application Binary Interface, MIPS
Processor Supplement.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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.
+ 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. */
+ 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 MIPS ELF ABI. Note
that most of this is not actually implemented by BFD. */
#ifndef _ELF_MIPS_H
#define _ELF_MIPS_H
+#include "elf/reloc-macros.h"
+
+/* Relocation types. */
+START_RELOC_NUMBERS (elf_mips_reloc_type)
+ RELOC_NUMBER (R_MIPS_NONE, 0)
+ RELOC_NUMBER (R_MIPS_16, 1)
+ RELOC_NUMBER (R_MIPS_32, 2) /* In Elf 64: alias R_MIPS_ADD */
+ RELOC_NUMBER (R_MIPS_REL32, 3) /* In Elf 64: alias R_MIPS_REL */
+ RELOC_NUMBER (R_MIPS_26, 4)
+ RELOC_NUMBER (R_MIPS_HI16, 5)
+ RELOC_NUMBER (R_MIPS_LO16, 6)
+ RELOC_NUMBER (R_MIPS_GPREL16, 7) /* In Elf 64: alias R_MIPS_GPREL */
+ RELOC_NUMBER (R_MIPS_LITERAL, 8)
+ RELOC_NUMBER (R_MIPS_GOT16, 9) /* In Elf 64: alias R_MIPS_GOT */
+ RELOC_NUMBER (R_MIPS_PC16, 10)
+ RELOC_NUMBER (R_MIPS_CALL16, 11) /* In Elf 64: alias R_MIPS_CALL */
+ RELOC_NUMBER (R_MIPS_GPREL32, 12)
+ /* The remaining relocs are defined on Irix, although they are not
+ in the MIPS ELF ABI. */
+ RELOC_NUMBER (R_MIPS_UNUSED1, 13)
+ RELOC_NUMBER (R_MIPS_UNUSED2, 14)
+ RELOC_NUMBER (R_MIPS_UNUSED3, 15)
+ RELOC_NUMBER (R_MIPS_SHIFT5, 16)
+ RELOC_NUMBER (R_MIPS_SHIFT6, 17)
+ RELOC_NUMBER (R_MIPS_64, 18)
+ RELOC_NUMBER (R_MIPS_GOT_DISP, 19)
+ RELOC_NUMBER (R_MIPS_GOT_PAGE, 20)
+ RELOC_NUMBER (R_MIPS_GOT_OFST, 21)
+ RELOC_NUMBER (R_MIPS_GOT_HI16, 22)
+ RELOC_NUMBER (R_MIPS_GOT_LO16, 23)
+ RELOC_NUMBER (R_MIPS_SUB, 24)
+ RELOC_NUMBER (R_MIPS_INSERT_A, 25)
+ RELOC_NUMBER (R_MIPS_INSERT_B, 26)
+ RELOC_NUMBER (R_MIPS_DELETE, 27)
+ RELOC_NUMBER (R_MIPS_HIGHER, 28)
+ RELOC_NUMBER (R_MIPS_HIGHEST, 29)
+ RELOC_NUMBER (R_MIPS_CALL_HI16, 30)
+ RELOC_NUMBER (R_MIPS_CALL_LO16, 31)
+ RELOC_NUMBER (R_MIPS_SCN_DISP, 32)
+ RELOC_NUMBER (R_MIPS_REL16, 33)
+ RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34)
+ RELOC_NUMBER (R_MIPS_PJUMP, 35)
+ RELOC_NUMBER (R_MIPS_RELGOT, 36)
+ RELOC_NUMBER (R_MIPS_JALR, 37)
+ /* TLS relocations. */
+ RELOC_NUMBER (R_MIPS_TLS_DTPMOD32, 38)
+ RELOC_NUMBER (R_MIPS_TLS_DTPREL32, 39)
+ RELOC_NUMBER (R_MIPS_TLS_DTPMOD64, 40)
+ RELOC_NUMBER (R_MIPS_TLS_DTPREL64, 41)
+ RELOC_NUMBER (R_MIPS_TLS_GD, 42)
+ RELOC_NUMBER (R_MIPS_TLS_LDM, 43)
+ RELOC_NUMBER (R_MIPS_TLS_DTPREL_HI16, 44)
+ RELOC_NUMBER (R_MIPS_TLS_DTPREL_LO16, 45)
+ RELOC_NUMBER (R_MIPS_TLS_GOTTPREL, 46)
+ RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47)
+ RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48)
+ RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49)
+ RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50)
+ RELOC_NUMBER (R_MIPS_GLOB_DAT, 51)
+ /* Space to grow */
+ RELOC_NUMBER (R_MIPS_PC21_S2, 60)
+ RELOC_NUMBER (R_MIPS_PC26_S2, 61)
+ RELOC_NUMBER (R_MIPS_PC18_S3, 62)
+ RELOC_NUMBER (R_MIPS_PC19_S2, 63)
+ RELOC_NUMBER (R_MIPS_PCHI16, 64)
+ RELOC_NUMBER (R_MIPS_PCLO16, 65)
+ FAKE_RELOC (R_MIPS_max, 66)
+ /* These relocs are used for the mips16. */
+ FAKE_RELOC (R_MIPS16_min, 100)
+ RELOC_NUMBER (R_MIPS16_26, 100)
+ RELOC_NUMBER (R_MIPS16_GPREL, 101)
+ RELOC_NUMBER (R_MIPS16_GOT16, 102)
+ RELOC_NUMBER (R_MIPS16_CALL16, 103)
+ RELOC_NUMBER (R_MIPS16_HI16, 104)
+ RELOC_NUMBER (R_MIPS16_LO16, 105)
+ RELOC_NUMBER (R_MIPS16_TLS_GD, 106)
+ RELOC_NUMBER (R_MIPS16_TLS_LDM, 107)
+ RELOC_NUMBER (R_MIPS16_TLS_DTPREL_HI16, 108)
+ RELOC_NUMBER (R_MIPS16_TLS_DTPREL_LO16, 109)
+ RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110)
+ RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111)
+ RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112)
+ FAKE_RELOC (R_MIPS16_max, 113)
+ /* These relocations are specific to VxWorks. */
+ RELOC_NUMBER (R_MIPS_COPY, 126)
+ RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
+
+ /* These relocations are specific to microMIPS. */
+ FAKE_RELOC (R_MICROMIPS_min, 130)
+ RELOC_NUMBER (R_MICROMIPS_26_S1, 133)
+ RELOC_NUMBER (R_MICROMIPS_HI16, 134)
+ RELOC_NUMBER (R_MICROMIPS_LO16, 135)
+ RELOC_NUMBER (R_MICROMIPS_GPREL16, 136) /* In Elf 64:
+ alias R_MICROMIPS_GPREL */
+ RELOC_NUMBER (R_MICROMIPS_LITERAL, 137)
+ RELOC_NUMBER (R_MICROMIPS_GOT16, 138) /* In Elf 64:
+ alias R_MICROMIPS_GOT */
+ RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139)
+ RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140)
+ RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141)
+ RELOC_NUMBER (R_MICROMIPS_CALL16, 142) /* In Elf 64:
+ alias R_MICROMIPS_CALL */
+ RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145)
+ RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146)
+ RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147)
+ RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148)
+ RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149)
+ RELOC_NUMBER (R_MICROMIPS_SUB, 150)
+ RELOC_NUMBER (R_MICROMIPS_HIGHER, 151)
+ RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152)
+ RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153)
+ RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154)
+ RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155)
+ RELOC_NUMBER (R_MICROMIPS_JALR, 156)
+ RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157)
+ /* TLS relocations. */
+ RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162)
+ RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163)
+ RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164)
+ RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165)
+ RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166)
+ RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169)
+ RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170)
+ /* microMIPS GP- and PC-relative relocations. */
+ RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172)
+ RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173)
+ FAKE_RELOC (R_MICROMIPS_max, 174)
+
+ /* This was a GNU extension used by embedded-PIC. It was co-opted by
+ mips-linux for exception-handling data. GCC stopped using it in
+ May, 2004, then started using it again for compact unwind tables. */
+ RELOC_NUMBER (R_MIPS_PC32, 248)
+ RELOC_NUMBER (R_MIPS_EH, 249)
+ /* FIXME: this relocation is used internally by gas. */
+ RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250)
+ /* These are GNU extensions to enable C++ vtable garbage collection. */
+ RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253)
+ RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254)
+END_RELOC_NUMBERS (R_MIPS_maxext)
+
/* Processor specific flags for the ELF header e_flags field. */
/* At least one .noreorder directive appears in the source. */
position independent code. */
#define EF_MIPS_CPIC 0x00000004
+/* ??? Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a. */
+#define EF_MIPS_XGOT 0x00000008
+
+/* Code in file uses UCODE (obsolete) */
+#define EF_MIPS_UCODE 0x00000010
+
/* Code in file uses new ABI (-n32 on Irix 6). */
#define EF_MIPS_ABI2 0x00000020
+/* Process the .MIPS.options section first by ld */
+#define EF_MIPS_OPTIONS_FIRST 0x00000080
+
+/* Indicates code compiled for a 64-bit machine in 32-bit mode
+ (regs are 32-bits wide). */
+#define EF_MIPS_32BITMODE 0x00000100
+
+/* 32-bit machine but FP registers are 64 bit (-mfp64). */
+#define EF_MIPS_FP64 0x00000200
+
+/* Code in file uses the IEEE 754-2008 NaN encoding convention. */
+#define EF_MIPS_NAN2008 0x00000400
+
+/* Architectural Extensions used by this file */
+#define EF_MIPS_ARCH_ASE 0x0f000000
+
+/* Use MDMX multimedia extensions */
+#define EF_MIPS_ARCH_ASE_MDMX 0x08000000
+
+/* Use MIPS-16 ISA extensions */
+#define EF_MIPS_ARCH_ASE_M16 0x04000000
+
+/* Use MICROMIPS ISA extensions. */
+#define EF_MIPS_ARCH_ASE_MICROMIPS 0x02000000
+
/* Four bit MIPS architecture field. */
#define EF_MIPS_ARCH 0xf0000000
/* -mips4 code. */
#define E_MIPS_ARCH_4 0x30000000
+
+/* -mips5 code. */
+#define E_MIPS_ARCH_5 0x40000000
+
+/* -mips32 code. */
+#define E_MIPS_ARCH_32 0x50000000
+
+/* -mips64 code. */
+#define E_MIPS_ARCH_64 0x60000000
+
+/* -mips32r2 code. */
+#define E_MIPS_ARCH_32R2 0x70000000
+
+/* -mips64r2 code. */
+#define E_MIPS_ARCH_64R2 0x80000000
+
+/* -mips32r6 code. */
+#define E_MIPS_ARCH_32R6 0x90000000
+
+/* -mips64r6 code. */
+#define E_MIPS_ARCH_64R6 0xa0000000
+
+/* The ABI of the file. Also see EF_MIPS_ABI2 above. */
+#define EF_MIPS_ABI 0x0000F000
+
+/* The original o32 abi. */
+#define E_MIPS_ABI_O32 0x00001000
+
+/* O32 extended to work on 64 bit architectures */
+#define E_MIPS_ABI_O64 0x00002000
+
+/* EABI in 32 bit mode */
+#define E_MIPS_ABI_EABI32 0x00003000
+
+/* EABI in 64 bit mode */
+#define E_MIPS_ABI_EABI64 0x00004000
+
+
+/* Machine variant if we know it. This field was invented at Cygnus,
+ but it is hoped that other vendors will adopt it. If some standard
+ is developed, this code should be changed to follow it. */
+
+#define EF_MIPS_MACH 0x00FF0000
+
+/* Cygnus is choosing values between 80 and 9F;
+ 00 - 7F should be left for a future standard;
+ the rest are open. */
+
+#define E_MIPS_MACH_3900 0x00810000
+#define E_MIPS_MACH_4010 0x00820000
+#define E_MIPS_MACH_4100 0x00830000
+#define E_MIPS_MACH_4650 0x00850000
+#define E_MIPS_MACH_4120 0x00870000
+#define E_MIPS_MACH_4111 0x00880000
+#define E_MIPS_MACH_SB1 0x008a0000
+#define E_MIPS_MACH_OCTEON 0x008b0000
+#define E_MIPS_MACH_XLR 0x008c0000
+#define E_MIPS_MACH_OCTEON2 0x008d0000
+#define E_MIPS_MACH_OCTEON3 0x008e0000
+#define E_MIPS_MACH_5400 0x00910000
+#define E_MIPS_MACH_5900 0x00920000
+#define E_MIPS_MACH_5500 0x00980000
+#define E_MIPS_MACH_9000 0x00990000
+#define E_MIPS_MACH_LS2E 0x00A00000
+#define E_MIPS_MACH_LS2F 0x00A10000
+#define E_MIPS_MACH_LS3A 0x00A20000
\f
/* Processor specific section indices. These sections do not actually
exist. Symbols with a st_shndx field corresponding to one of these
/* Defined and allocated common symbol. Value is virtual address. If
relocated, alignment must be preserved. */
-#define SHN_MIPS_ACOMMON 0xff00
+#define SHN_MIPS_ACOMMON SHN_LORESERVE
/* Defined and allocated text symbol. Value is virtual address.
Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */
-#define SHN_MIPS_TEXT 0xff01
+#define SHN_MIPS_TEXT (SHN_LORESERVE + 1)
/* Defined and allocated data symbol. Value is virtual address.
Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */
-#define SHN_MIPS_DATA 0xff02
+#define SHN_MIPS_DATA (SHN_LORESERVE + 2)
/* Small common symbol. */
-#define SHN_MIPS_SCOMMON 0xff03
+#define SHN_MIPS_SCOMMON (SHN_LORESERVE + 3)
/* Small undefined symbol. */
-#define SHN_MIPS_SUNDEFINED 0xff04
+#define SHN_MIPS_SUNDEFINED (SHN_LORESERVE + 4)
\f
/* Processor specific section types. */
/* Section contains register usage information. */
#define SHT_MIPS_REGINFO 0x70000006
+/* ??? */
+#define SHT_MIPS_PACKAGE 0x70000007
+
+/* ??? */
+#define SHT_MIPS_PACKSYM 0x70000008
+
+/* ??? */
+#define SHT_MIPS_RELD 0x70000009
+
/* Section contains interface information. */
#define SHT_MIPS_IFACE 0x7000000b
/* Section contains miscellaneous options. */
#define SHT_MIPS_OPTIONS 0x7000000d
+/* ??? */
+#define SHT_MIPS_SHDR 0x70000010
+
+/* ??? */
+#define SHT_MIPS_FDESC 0x70000011
+
+/* ??? */
+#define SHT_MIPS_EXTSYM 0x70000012
+
+/* ??? */
+#define SHT_MIPS_DENSE 0x70000013
+
+/* ??? */
+#define SHT_MIPS_PDESC 0x70000014
+
+/* ??? */
+#define SHT_MIPS_LOCSYM 0x70000015
+
+/* ??? */
+#define SHT_MIPS_AUXSYM 0x70000016
+
+/* ??? */
+#define SHT_MIPS_OPTSYM 0x70000017
+
+/* ??? */
+#define SHT_MIPS_LOCSTR 0x70000018
+
+/* ??? */
+#define SHT_MIPS_LINE 0x70000019
+
+/* ??? */
+#define SHT_MIPS_RFDESC 0x7000001a
+
+/* Delta C++: symbol table */
+#define SHT_MIPS_DELTASYM 0x7000001b
+
+/* Delta C++: instance table */
+#define SHT_MIPS_DELTAINST 0x7000001c
+
+/* Delta C++: class table */
+#define SHT_MIPS_DELTACLASS 0x7000001d
+
/* DWARF debugging section. */
#define SHT_MIPS_DWARF 0x7000001e
-/* I'm not sure what this is, but it appears on Irix 6. */
+/* Delta C++: declarations */
+#define SHT_MIPS_DELTADECL 0x7000001f
+
+/* List of libraries the binary depends on. Includes a time stamp, version
+ number. */
#define SHT_MIPS_SYMBOL_LIB 0x70000020
/* Events section. */
#define SHT_MIPS_EVENTS 0x70000021
+/* ??? */
+#define SHT_MIPS_TRANSLATE 0x70000022
+
+/* Special pixie sections */
+#define SHT_MIPS_PIXIE 0x70000023
+
+/* Address translation table (for debug info) */
+#define SHT_MIPS_XLATE 0x70000024
+
+/* SGI internal address translation table (for debug info) */
+#define SHT_MIPS_XLATE_DEBUG 0x70000025
+
+/* Intermediate code */
+#define SHT_MIPS_WHIRL 0x70000026
+
+/* C++ exception handling region info */
+#define SHT_MIPS_EH_REGION 0x70000027
+
+/* Obsolete address translation table (for debug info) */
+#define SHT_MIPS_XLATE_OLD 0x70000028
+
+/* Runtime procedure descriptor table exception information (ucode) ??? */
+#define SHT_MIPS_PDR_EXCEPTION 0x70000029
+
+/* ABI related flags section. */
+#define SHT_MIPS_ABIFLAGS 0x7000002a
+
/* A section of type SHT_MIPS_LIBLIST contains an array of the
following structure. The sh_link field is the section index of the
string table. The sh_info field is the number of entries in the
unsigned long l_flags;
} Elf32_Lib;
+/* The external version of Elf32_Lib. */
+typedef struct
+{
+ unsigned char l_name[4];
+ unsigned char l_time_stamp[4];
+ unsigned char l_checksum[4];
+ unsigned char l_version[4];
+ unsigned char l_flags[4];
+} Elf32_External_Lib;
+
/* The l_flags field of an Elf32_Lib structure may contain the
following flags. */
/* Ignore version incompatibilities at runtime. */
#define LL_IGNORE_INT_VER 0x00000002
+/* Require matching minor version number. */
+#define LL_REQUIRE_MINOR 0x00000004
+
+/* ??? */
+#define LL_EXPORTS 0x00000008
+
+/* Delay loading of this library until really needed. */
+#define LL_DELAY_LOAD 0x00000010
+
+/* ??? Delta C++ stuff ??? */
+#define LL_DELTA 0x00000020
+
+
/* A section of type SHT_MIPS_CONFLICT is an array of indices into the
.dynsym section. Each element has the following type. */
typedef unsigned long Elf32_Conflict;
+typedef unsigned char Elf32_External_Conflict[4];
+
+typedef unsigned long Elf64_Conflict;
+typedef unsigned char Elf64_External_Conflict[8];
/* A section of type SHT_MIPS_GPTAB contains information about how
much GP space would be required for different -G arguments. This
/* MIPS ELF .reginfo swapping routines. */
extern void bfd_mips_elf32_swap_reginfo_in
- PARAMS ((bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *));
+ (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *);
extern void bfd_mips_elf32_swap_reginfo_out
- PARAMS ((bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *));
+ (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *);
\f
/* Processor specific section flags. */
/* This section should be merged. */
#define SHF_MIPS_MERGE 0x20000000
-/* This section contains 32 bit addresses. */
-#define SHF_MIPS_ADDR32 0x40000000
+/* This section contains address data of size implied by section
+ element size. */
+#define SHF_MIPS_ADDR 0x40000000
-/* This section contains 64 bit addresses. */
-#define SHF_MIPS_ADDR64 0x80000000
+/* This section contains string data. */
+#define SHF_MIPS_STRING 0x80000000
/* This section may not be stripped. */
#define SHF_MIPS_NOSTRIP 0x08000000
/* Linker should generate implicit weak names for this section. */
#define SHF_MIPS_NAMES 0x02000000
+
+/* Section contais text/data which may be replicated in other sections.
+ Linker should retain only one copy. */
+#define SHF_MIPS_NODUPES 0x01000000
\f
/* Processor specific program header types. */
/* Runtime procedure table. */
#define PT_MIPS_RTPROC 0x70000001
+
+/* .MIPS.options section. */
+#define PT_MIPS_OPTIONS 0x70000002
+
+/* Records ABI related flags. */
+#define PT_MIPS_ABIFLAGS 0x70000003
\f
/* Processor specific dynamic array tags. */
/* Base address of the segment. */
#define DT_MIPS_BASE_ADDRESS 0x70000006
+/* ??? */
+#define DT_MIPS_MSYM 0x70000007
+
/* Address of .conflict section. */
#define DT_MIPS_CONFLICT 0x70000008
/* Address of run time loader map, used for debugging. */
#define DT_MIPS_RLD_MAP 0x70000016
+
+/* Delta C++ class definition. */
+#define DT_MIPS_DELTA_CLASS 0x70000017
+
+/* Number of entries in DT_MIPS_DELTA_CLASS. */
+#define DT_MIPS_DELTA_CLASS_NO 0x70000018
+
+/* Delta C++ class instances. */
+#define DT_MIPS_DELTA_INSTANCE 0x70000019
+
+/* Number of entries in DT_MIPS_DELTA_INSTANCE. */
+#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a
+
+/* Delta relocations. */
+#define DT_MIPS_DELTA_RELOC 0x7000001b
+
+/* Number of entries in DT_MIPS_DELTA_RELOC. */
+#define DT_MIPS_DELTA_RELOC_NO 0x7000001c
+
+/* Delta symbols that Delta relocations refer to. */
+#define DT_MIPS_DELTA_SYM 0x7000001d
+
+/* Number of entries in DT_MIPS_DELTA_SYM. */
+#define DT_MIPS_DELTA_SYM_NO 0x7000001e
+
+/* Delta symbols that hold class declarations. */
+#define DT_MIPS_DELTA_CLASSSYM 0x70000020
+
+/* Number of entries in DT_MIPS_DELTA_CLASSSYM. */
+#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021
+
+/* Flags indicating information about C++ flavor. */
+#define DT_MIPS_CXX_FLAGS 0x70000022
+
+/* Pixie information (???). */
+#define DT_MIPS_PIXIE_INIT 0x70000023
+
+/* Address of .MIPS.symlib */
+#define DT_MIPS_SYMBOL_LIB 0x70000024
+
+/* The GOT index of the first PTE for a segment */
+#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
+
+/* The GOT index of the first PTE for a local symbol */
+#define DT_MIPS_LOCAL_GOTIDX 0x70000026
+
+/* The GOT index of the first PTE for a hidden symbol */
+#define DT_MIPS_HIDDEN_GOTIDX 0x70000027
+
+/* The GOT index of the first PTE for a protected symbol */
+#define DT_MIPS_PROTECTED_GOTIDX 0x70000028
+
+/* Address of `.MIPS.options'. */
+#define DT_MIPS_OPTIONS 0x70000029
+
+/* Address of `.interface'. */
+#define DT_MIPS_INTERFACE 0x7000002a
+
+/* ??? */
+#define DT_MIPS_DYNSTR_ALIGN 0x7000002b
+
+/* Size of the .interface section. */
+#define DT_MIPS_INTERFACE_SIZE 0x7000002c
+
+/* Size of rld_text_resolve function stored in the GOT. */
+#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d
+
+/* Default suffix of DSO to be added by rld on dlopen() calls. */
+#define DT_MIPS_PERF_SUFFIX 0x7000002e
+
+/* Size of compact relocation section (O32). */
+#define DT_MIPS_COMPACT_SIZE 0x7000002f
+
+/* GP value for auxiliary GOTs. */
+#define DT_MIPS_GP_VALUE 0x70000030
+
+/* Address of auxiliary .dynamic. */
+#define DT_MIPS_AUX_DYNAMIC 0x70000031
+
+/* Address of the base of the PLTGOT. */
+#define DT_MIPS_PLTGOT 0x70000032
+
+/* Points to the base of a writable PLT. */
+#define DT_MIPS_RWPLT 0x70000034
\f
/* Flags which may appear in a DT_MIPS_FLAGS entry. */
#define RHF_NOTPOT 0x00000002
/* Ignore LD_LIBRARY_PATH. */
-#define RHS_NO_LIBRARY_REPLACEMENT \
- 0x00000004
+#define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
+
+/* DSO address may not be relocated. */
+#define RHF_NO_MOVE 0x00000008
+
+/* SGI specific features. */
+#define RHF_SGI_ONLY 0x00000010
+
+/* Guarantee that .init will finish executing before any non-init
+ code in DSO is called. */
+#define RHF_GUARANTEE_INIT 0x00000020
+
+/* Contains Delta C++ code. */
+#define RHF_DELTA_C_PLUS_PLUS 0x00000040
+
+/* Guarantee that .init will start executing before any non-init
+ code in DSO is called. */
+#define RHF_GUARANTEE_START_INIT 0x00000080
+
+/* Generated by pixie. */
+#define RHF_PIXIE 0x00000100
+
+/* Delay-load DSO by default. */
+#define RHF_DEFAULT_DELAY_LOAD 0x00000200
+
+/* Object may be requickstarted */
+#define RHF_REQUICKSTART 0x00000400
+
+/* Object has been requickstarted */
+#define RHF_REQUICKSTARTED 0x00000800
+
+/* Generated by cord. */
+#define RHF_CORD 0x00001000
+
+/* Object contains no unresolved undef symbols. */
+#define RHF_NO_UNRES_UNDEF 0x00002000
+
+/* Symbol table is in a safe order. */
+#define RHF_RLD_ORDER_SAFE 0x00004000
\f
/* Special values for the st_other field in the symbol table. These
are used in an Irix 5 dynamic symbol table. */
-#define STO_DEFAULT 0x00
-#define STO_INTERNAL 0x01
-#define STO_HIDDEN 0x02
-#define STO_PROTECTED 0x03
-
-/* start-sanitize-sky */
-/* These values are used for the dvp. */
-#define STO_DVP_DMA 0xe8
-#define STO_DVP_PKE 0xe9
-#define STO_DVP_GPUIF 0xea
-#define STO_DVP_VU 0xeb
-#define MIPS_STO_DVP_P(sto) ((sto) >= STO_DVP_DMA && (sto) <= STO_DVP_VU)
+#define STO_DEFAULT STV_DEFAULT
+#define STO_INTERNAL STV_INTERNAL
+#define STO_HIDDEN STV_HIDDEN
+#define STO_PROTECTED STV_PROTECTED
+
+/* Two topmost bits denote the MIPS ISA for .text symbols:
+ + 00 -- standard MIPS code,
+ + 10 -- microMIPS code,
+ + 11 -- MIPS16 code; requires the following two bits to be set too.
+ Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC. See below
+ for details. */
+#define STO_MIPS_ISA (3 << 6)
+
+/* The mask spanning the rest of MIPS psABI flags. At most one is expected
+ to be set except for STO_MIPS16. */
+#define STO_MIPS_FLAGS (~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1)))
+
+/* The MIPS psABI was updated in 2008 with support for PLTs and copy
+ relocs. There are therefore two types of nonzero SHN_UNDEF functions:
+ PLT entries and traditional MIPS lazy binding stubs. We mark the former
+ with STO_MIPS_PLT to distinguish them from the latter. */
+#define STO_MIPS_PLT 0x8
+#define ELF_ST_IS_MIPS_PLT(other) \
+ ((ELF_ST_IS_MIPS16 (other) \
+ ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS)) \
+ : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT)
+#define ELF_ST_SET_MIPS_PLT(other) \
+ ((ELF_ST_IS_MIPS16 (other) \
+ ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS)) \
+ : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT)
+
+/* This value is used to mark PIC functions in an object that mixes
+ PIC and non-PIC. Note that this bit overlaps with STO_MIPS16,
+ although MIPS16 symbols are never considered to be MIPS_PIC. */
+#define STO_MIPS_PIC 0x20
+#define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC)
+#define ELF_ST_SET_MIPS_PIC(other) \
+ ((ELF_ST_IS_MIPS16 (other) \
+ ? ((other) & ~(STO_MIPS16 | STO_MIPS_FLAGS)) \
+ : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PIC)
-/* end-sanitize-sky */
/* This value is used for a mips16 .text symbol. */
#define STO_MIPS16 0xf0
+#define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16)
+#define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16)
+
+/* This value is used for a microMIPS .text symbol. To distinguish from
+ STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS. The
+ mask is STO_MIPS_ISA. */
+#define STO_MICROMIPS (2 << 6)
+#define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS)
+#define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS)
+
+/* Whether code compression (either of the MIPS16 or the microMIPS ASEs)
+ has been indicated for a .text symbol. */
+#define ELF_ST_IS_COMPRESSED(other) \
+ (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other))
+
+/* This bit is used on Irix to indicate a symbol whose definition
+ is optional - if, at final link time, it cannot be found, no
+ error message should be produced. */
+#define STO_OPTIONAL (1 << 2)
+/* A macro to examine the STO_OPTIONAL bit. */
+#define ELF_MIPS_IS_OPTIONAL(other) ((other) & STO_OPTIONAL)
\f
/* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each
relocation entry specifies up to three actual relocations, all at
bfd_signed_vma r_addend;
} Elf64_Mips_Internal_Rela;
+/* MIPS ELF 64 relocation info access macros. */
+#define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
+#define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
+#define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
+#define ELF64_MIPS_R_TYPE(i) ((i) & 0xff)
+
/* Values found in the r_ssym field of a relocation entry. */
/* No relocation. */
/* MIPS ELF option header swapping routines. */
extern void bfd_mips_elf_swap_options_in
- PARAMS ((bfd *, const Elf_External_Options *, Elf_Internal_Options *));
+ (bfd *, const Elf_External_Options *, Elf_Internal_Options *);
extern void bfd_mips_elf_swap_options_out
- PARAMS ((bfd *, const Elf_Internal_Options *, Elf_External_Options *));
+ (bfd *, const Elf_Internal_Options *, Elf_External_Options *);
/* Values which may appear in the kind field of an Elf_Options
structure. */
/* Section padding information. */
#define ODK_PAD 3
-/* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_Reginfo
+/* Hardware workarounds performed. */
+#define ODK_HWPATCH 4
+
+/* Fill value used by the linker. */
+#define ODK_FILL 5
+
+/* Reserved space for desktop tools. */
+#define ODK_TAGS 6
+
+/* Hardware workarounds, AND bits when merging. */
+#define ODK_HWAND 7
+
+/* Hardware workarounds, OR bits when merging. */
+#define ODK_HWOR 8
+
+/* GP group to use for text/data sections. */
+#define ODK_GP_GROUP 9
+
+/* ID information. */
+#define ODK_IDENT 10
+
+/* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo
structure. In the 64 bit ABI, it is the following structure. The
info field of the options header is not used. */
bfd_vma ri_gp_value;
} Elf64_Internal_RegInfo;
+/* ABI Flags structure version 0. */
+
+typedef struct
+{
+ /* Version of flags structure. */
+ unsigned char version[2];
+ /* The level of the ISA: 1-5, 32, 64. */
+ unsigned char isa_level[1];
+ /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
+ unsigned char isa_rev[1];
+ /* The size of general purpose registers. */
+ unsigned char gpr_size[1];
+ /* The size of co-processor 1 registers. */
+ unsigned char cpr1_size[1];
+ /* The size of co-processor 2 registers. */
+ unsigned char cpr2_size[1];
+ /* The floating-point ABI. */
+ unsigned char fp_abi[1];
+ /* Processor-specific extension. */
+ unsigned char isa_ext[4];
+ /* Mask of ASEs used. */
+ unsigned char ases[4];
+ /* Mask of general flags. */
+ unsigned char flags1[4];
+ unsigned char flags2[4];
+} Elf_External_ABIFlags_v0;
+
+typedef struct
+{
+ /* Version of flags structure. */
+ unsigned short version;
+ /* The level of the ISA: 1-5, 32, 64. */
+ unsigned char isa_level;
+ /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
+ unsigned char isa_rev;
+ /* The size of general purpose registers. */
+ unsigned char gpr_size;
+ /* The size of co-processor 1 registers. */
+ unsigned char cpr1_size;
+ /* The size of co-processor 2 registers. */
+ unsigned char cpr2_size;
+ /* The floating-point ABI. */
+ unsigned char fp_abi;
+ /* Processor-specific extension. */
+ unsigned long isa_ext;
+ /* Mask of ASEs used. */
+ unsigned long ases;
+ /* Mask of general flags. */
+ unsigned long flags1;
+ unsigned long flags2;
+} Elf_Internal_ABIFlags_v0;
+
+typedef struct
+{
+ /* The hash value computed from the name of the corresponding
+ dynamic symbol. */
+ unsigned char ms_hash_value[4];
+ /* Contains both the dynamic relocation index and the symbol flags
+ field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
+ to access the individual values. The dynamic relocation index
+ identifies the first entry in the .rel.dyn section that
+ references the dynamic symbol corresponding to this msym entry.
+ If the index is 0, no dynamic relocations are associated with the
+ symbol. The symbol flags field is reserved for future use. */
+ unsigned char ms_info[4];
+} Elf32_External_Msym;
+
+typedef struct
+{
+ /* The hash value computed from the name of the corresponding
+ dynamic symbol. */
+ unsigned long ms_hash_value;
+ /* Contains both the dynamic relocation index and the symbol flags
+ field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
+ to access the individual values. The dynamic relocation index
+ identifies the first entry in the .rel.dyn section that
+ references the dynamic symbol corresponding to this msym entry.
+ If the index is 0, no dynamic relocations are associated with the
+ symbol. The symbol flags field is reserved for future use. */
+ unsigned long ms_info;
+} Elf32_Internal_Msym;
+
+#define ELF32_MS_REL_INDEX(i) ((i) >> 8)
+#define ELF32_MS_FLAGS(i) (i) & 0xff)
+#define ELF32_MS_INFO(r, f) (((r) << 8) + ((f) & 0xff))
+
/* MIPS ELF reginfo swapping routines. */
extern void bfd_mips_elf64_swap_reginfo_in
- PARAMS ((bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *));
+ (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *);
extern void bfd_mips_elf64_swap_reginfo_out
- PARAMS ((bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *));
+ (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *);
+
+/* MIPS ELF flags swapping routines. */
+extern void bfd_mips_elf_swap_abiflags_v0_in
+ (bfd *, const Elf_External_ABIFlags_v0 *, Elf_Internal_ABIFlags_v0 *);
+extern void bfd_mips_elf_swap_abiflags_v0_out
+ (bfd *, const Elf_Internal_ABIFlags_v0 *, Elf_External_ABIFlags_v0 *);
+
+/* Masks for the info work of an ODK_EXCEPTIONS descriptor. */
+#define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */
+#define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */
+#define OEX_PAGE0 0x10000 /* Page zero must be mapped. */
+#define OEX_SMM 0x20000 /* Force sequential memory mode. */
+#define OEX_FPDBUG 0x40000 /* Force precise floating-point
+ exceptions (debug mode). */
+#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */
+
+/* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */
+#define OEX_FPU_INVAL 0x10 /* Invalid operation exception. */
+#define OEX_FPU_DIV0 0x08 /* Division by zero exception. */
+#define OEX_FPU_OFLO 0x04 /* Overflow exception. */
+#define OEX_FPU_UFLO 0x02 /* Underflow exception. */
+#define OEX_FPU_INEX 0x01 /* Inexact exception. */
+
+/* Masks for the info word of an ODK_PAD descriptor. */
+#define OPAD_PREFIX 0x01
+#define OPAD_POSTFIX 0x02
+#define OPAD_SYMBOL 0x04
+
+/* Masks for the info word of an ODK_HWPATCH descriptor. */
+#define OHW_R4KEOP 0x00000001 /* R4000 end-of-page patch. */
+#define OHW_R8KPFETCH 0x00000002 /* May need R8000 prefetch patch. */
+#define OHW_R5KEOP 0x00000004 /* R5000 end-of-page patch. */
+#define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug
+ (clean == 1). */
+#define OHW_R10KLDL 0x00000010 /* Needs R10K misaligned
+ load patch. */
+
+/* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */
+#define OGP_GROUP 0x0000ffff /* GP group number. */
+#define OGP_SELF 0xffff0000 /* Self-contained GP groups. */
+
+/* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */
+#define OHWA0_R4KEOP_CHECKED 0x00000001
+#define OHWA0_R4KEOP_CLEAN 0x00000002
+
+/* Values for the xxx_size bytes of an ABI flags structure. */
+
+#define AFL_REG_NONE 0x00 /* No registers. */
+#define AFL_REG_32 0x01 /* 32-bit registers. */
+#define AFL_REG_64 0x02 /* 64-bit registers. */
+#define AFL_REG_128 0x03 /* 128-bit registers. */
+
+/* Masks for the ases word of an ABI flags structure. */
+
+#define AFL_ASE_DSP 0x00000001 /* DSP ASE. */
+#define AFL_ASE_DSPR2 0x00000002 /* DSP R2 ASE. */
+#define AFL_ASE_EVA 0x00000004 /* Enhanced VA Scheme. */
+#define AFL_ASE_MCU 0x00000008 /* MCU (MicroController) ASE. */
+#define AFL_ASE_MDMX 0x00000010 /* MDMX ASE. */
+#define AFL_ASE_MIPS3D 0x00000020 /* MIPS-3D ASE. */
+#define AFL_ASE_MT 0x00000040 /* MT ASE. */
+#define AFL_ASE_SMARTMIPS 0x00000080 /* SmartMIPS ASE. */
+#define AFL_ASE_VIRT 0x00000100 /* VZ ASE. */
+#define AFL_ASE_MSA 0x00000200 /* MSA ASE. */
+#define AFL_ASE_MIPS16 0x00000400 /* MIPS16 ASE. */
+#define AFL_ASE_MICROMIPS 0x00000800 /* MICROMIPS ASE. */
+#define AFL_ASE_XPA 0x00001000 /* XPA ASE. */
+#define AFL_ASE_MASK 0x00001fff /* All ASEs. */
+
+/* Values for the isa_ext word of an ABI flags structure. */
+
+#define AFL_EXT_XLR 1 /* RMI Xlr instruction. */
+#define AFL_EXT_OCTEON2 2 /* Cavium Networks Octeon2. */
+#define AFL_EXT_OCTEONP 3 /* Cavium Networks OcteonP. */
+#define AFL_EXT_LOONGSON_3A 4 /* Loongson 3A. */
+#define AFL_EXT_OCTEON 5 /* Cavium Networks Octeon. */
+#define AFL_EXT_5900 6 /* MIPS R5900 instruction. */
+#define AFL_EXT_4650 7 /* MIPS R4650 instruction. */
+#define AFL_EXT_4010 8 /* LSI R4010 instruction. */
+#define AFL_EXT_4100 9 /* NEC VR4100 instruction. */
+#define AFL_EXT_3900 10 /* Toshiba R3900 instruction. */
+#define AFL_EXT_10000 11 /* MIPS R10000 instruction. */
+#define AFL_EXT_SB1 12 /* Broadcom SB-1 instruction. */
+#define AFL_EXT_4111 13 /* NEC VR4111/VR4181 instruction. */
+#define AFL_EXT_4120 14 /* NEC VR4120 instruction. */
+#define AFL_EXT_5400 15 /* NEC VR5400 instruction. */
+#define AFL_EXT_5500 16 /* NEC VR5500 instruction. */
+#define AFL_EXT_LOONGSON_2E 17 /* ST Microelectronics Loongson 2E. */
+#define AFL_EXT_LOONGSON_2F 18 /* ST Microelectronics Loongson 2F. */
+#define AFL_EXT_OCTEON3 19 /* Cavium Networks Octeon3. */
+
+/* Masks for the flags1 word of an ABI flags structure. */
+#define AFL_FLAGS1_ODDSPREG 1 /* Uses odd single-precision registers. */
+
+extern unsigned int bfd_mips_isa_ext (bfd *);
+\f
+
+/* Object attribute tags. */
+enum
+{
+ /* 0-3 are generic. */
+
+ /* Floating-point ABI used by this object file. */
+ Tag_GNU_MIPS_ABI_FP = 4,
+
+ /* MSA ABI used by this object file. */
+ Tag_GNU_MIPS_ABI_MSA = 8,
+};
+
+/* Object attribute values. */
+enum
+{
+ /* Values defined for Tag_GNU_MIPS_ABI_FP. */
+
+ /* Not tagged or not using any ABIs affected by the differences. */
+ Val_GNU_MIPS_ABI_FP_ANY = 0,
+
+ /* Using hard-float -mdouble-float. */
+ Val_GNU_MIPS_ABI_FP_DOUBLE = 1,
+
+ /* Using hard-float -msingle-float. */
+ Val_GNU_MIPS_ABI_FP_SINGLE = 2,
+
+ /* Using soft-float. */
+ Val_GNU_MIPS_ABI_FP_SOFT = 3,
+
+ /* Using -mips32r2 -mfp64. */
+ Val_GNU_MIPS_ABI_FP_OLD_64 = 4,
+
+ /* Using -mfpxx */
+ Val_GNU_MIPS_ABI_FP_XX = 5,
+
+ /* Using -mips32r2 -mfp64. */
+ Val_GNU_MIPS_ABI_FP_64 = 6,
+
+ /* Using -mips32r2 -mfp64 -mno-odd-spreg. */
+ Val_GNU_MIPS_ABI_FP_64A = 7,
+
+ /* Values defined for Tag_GNU_MIPS_ABI_MSA. */
+
+ /* Not tagged or not using any ABIs affected by the differences. */
+ Val_GNU_MIPS_ABI_MSA_ANY = 0,
+
+ /* Using 128-bit MSA. */
+ Val_GNU_MIPS_ABI_MSA_128 = 1,
+};
#endif /* _ELF_MIPS_H */