875 lines
24 KiB
C
875 lines
24 KiB
C
/* MIPS ELF support for BFD.
|
||
Copyright (C) 1993, 1994, 1995, 1996, 1998 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 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 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. */
|
||
|
||
/* 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)
|
||
RELOC_NUMBER (R_MIPS_REL32, 3)
|
||
RELOC_NUMBER (R_MIPS_26, 4)
|
||
RELOC_NUMBER (R_MIPS_HI16, 5)
|
||
RELOC_NUMBER (R_MIPS_LO16, 6)
|
||
RELOC_NUMBER (R_MIPS_GPREL16, 7)
|
||
RELOC_NUMBER (R_MIPS_LITERAL, 8)
|
||
RELOC_NUMBER (R_MIPS_GOT16, 9)
|
||
RELOC_NUMBER (R_MIPS_PC16, 10)
|
||
RELOC_NUMBER (R_MIPS_CALL16, 11)
|
||
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)
|
||
/* start-sanitize-r5900 */
|
||
/* This is used by a mips co-processor instruction. */
|
||
RELOC_NUMBER (R_MIPS15_S3, 32)
|
||
/* end-sanitize-r5900 */
|
||
RELOC_NUMBER (R_MIPS_max, 33)
|
||
/* These relocs are used for the mips16. */
|
||
RELOC_NUMBER (R_MIPS16_26, 100)
|
||
RELOC_NUMBER (R_MIPS16_GPREL, 101)
|
||
/* start-sanitize-sky */
|
||
/* These relocs are for the dvp. */
|
||
RELOC_NUMBER (R_MIPS_DVP_11_PCREL, 120)
|
||
RELOC_NUMBER (R_MIPS_DVP_27_S4, 121)
|
||
RELOC_NUMBER (R_MIPS_DVP_11_S4, 122)
|
||
RELOC_NUMBER (R_MIPS_DVP_U15_S3, 123)
|
||
/* end-sanitize-sky */
|
||
/* 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
|
||
|
||
/* Processor specific flags for the ELF header e_flags field. */
|
||
|
||
/* At least one .noreorder directive appears in the source. */
|
||
#define EF_MIPS_NOREORDER 0x00000001
|
||
|
||
/* File contains position independent code. */
|
||
#define EF_MIPS_PIC 0x00000002
|
||
|
||
/* Code in file uses the standard calling sequence for calling
|
||
position independent code. */
|
||
#define EF_MIPS_CPIC 0x00000004
|
||
|
||
/* Code in file uses new ABI (-n32 on Irix 6). */
|
||
#define EF_MIPS_ABI2 0x00000020
|
||
|
||
/* Four bit MIPS architecture field. */
|
||
#define EF_MIPS_ARCH 0xf0000000
|
||
|
||
/* -mips1 code. */
|
||
#define E_MIPS_ARCH_1 0x00000000
|
||
|
||
/* -mips2 code. */
|
||
#define E_MIPS_ARCH_2 0x10000000
|
||
|
||
/* -mips3 code. */
|
||
#define E_MIPS_ARCH_3 0x20000000
|
||
|
||
/* -mips4 code. */
|
||
#define E_MIPS_ARCH_4 0x30000000
|
||
|
||
/* 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
|
||
/* start-sanitize-vr4320 */
|
||
#define E_MIPS_MACH_4320 0x00840000
|
||
/* end-sanitize-vr4320 */
|
||
#define E_MIPS_MACH_4650 0x00850000
|
||
/* start-sanitize-tx49 */
|
||
#define E_MIPS_MACH_4900 0x00860000
|
||
/* end-sanitize-tx49 */
|
||
|
||
/* start-sanitize-vr5400 */
|
||
#define E_MIPS_MACH_5400 0x00910000
|
||
/* end-sanitize-vr5400 */
|
||
/* start-sanitize-r5900 */
|
||
#define E_MIPS_MACH_5900 0x00920000
|
||
/* end-sanitize-r5900 */
|
||
|
||
/* Processor specific section indices. These sections do not actually
|
||
exist. Symbols with a st_shndx field corresponding to one of these
|
||
values have a special meaning. */
|
||
|
||
/* Defined and allocated common symbol. Value is virtual address. If
|
||
relocated, alignment must be preserved. */
|
||
#define SHN_MIPS_ACOMMON 0xff00
|
||
|
||
/* 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
|
||
|
||
/* 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
|
||
|
||
/* Small common symbol. */
|
||
#define SHN_MIPS_SCOMMON 0xff03
|
||
|
||
/* Small undefined symbol. */
|
||
#define SHN_MIPS_SUNDEFINED 0xff04
|
||
|
||
/* Processor specific section types. */
|
||
|
||
/* Section contains the set of dynamic shared objects used when
|
||
statically linking. */
|
||
#define SHT_MIPS_LIBLIST 0x70000000
|
||
|
||
/* I'm not sure what this is, but it's used on Irix 5. */
|
||
#define SHT_MIPS_MSYM 0x70000001
|
||
|
||
/* Section contains list of symbols whose definitions conflict with
|
||
symbols defined in shared objects. */
|
||
#define SHT_MIPS_CONFLICT 0x70000002
|
||
|
||
/* Section contains the global pointer table. */
|
||
#define SHT_MIPS_GPTAB 0x70000003
|
||
|
||
/* Section contains microcode information. The exact format is
|
||
unspecified. */
|
||
#define SHT_MIPS_UCODE 0x70000004
|
||
|
||
/* Section contains some sort of debugging information. The exact
|
||
format is unspecified. It's probably ECOFF symbols. */
|
||
#define SHT_MIPS_DEBUG 0x70000005
|
||
|
||
/* 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 description of contents of another section. */
|
||
#define SHT_MIPS_CONTENT 0x7000000c
|
||
|
||
/* 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
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_DELTASYM 0x7000001b
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_DELTAINST 0x7000001c
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_DELTACLASS 0x7000001d
|
||
|
||
/* DWARF debugging section. */
|
||
#define SHT_MIPS_DWARF 0x7000001e
|
||
|
||
/* ??? */
|
||
#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
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_PIXIE 0x70000023
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_XLATE 0x70000024
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_XLATE_DEBUG 0x70000025
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_WHIRL 0x70000026
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_EH_REGION 0x70000027
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_XLATE_OLD 0x70000028
|
||
|
||
/* ??? */
|
||
#define SHT_MIPS_PDR_EXCEPTION 0x70000029
|
||
|
||
/* start-sanitize-sky */
|
||
/* The VU overlay table. */
|
||
#define SHT_DVP_OVERLAY_TABLE 0x7ffff420
|
||
#define SHNAME_DVP_OVERLAY_TABLE ".DVP.ovlytab"
|
||
#define SHNAME_DVP_OVERLAY_STRTAB ".DVP.ovlystrtab"
|
||
/* A VU overlay. */
|
||
#define SHT_DVP_OVERLAY 0x7ffff421
|
||
/* Prefix of VU overlay sections. */
|
||
#define SHNAME_DVP_OVERLAY_PREFIX ".DVP.overlay."
|
||
/* end-sanitize-sky */
|
||
|
||
/* 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
|
||
section. */
|
||
typedef struct
|
||
{
|
||
/* String table index for name of shared object. */
|
||
unsigned long l_name;
|
||
/* Time stamp. */
|
||
unsigned long l_time_stamp;
|
||
/* Checksum of symbol names and common sizes. */
|
||
unsigned long l_checksum;
|
||
/* String table index for version. */
|
||
unsigned long l_version;
|
||
/* Flags. */
|
||
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. */
|
||
|
||
/* Require an exact match at runtime. */
|
||
#define LL_EXACT_MATCH 0x00000001
|
||
|
||
/* Ignore version incompatibilities at runtime. */
|
||
#define LL_IGNORE_INT_VER 0x00000002
|
||
|
||
/* 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;
|
||
|
||
/* A section of type SHT_MIPS_GPTAB contains information about how
|
||
much GP space would be required for different -G arguments. This
|
||
information is only used so that the linker can provide informative
|
||
suggestions as to the best -G value to use. The sh_info field is
|
||
the index of the section for which this information applies. The
|
||
contents of the section are an array of the following union. The
|
||
first element uses the gt_header field. The remaining elements use
|
||
the gt_entry field. */
|
||
typedef union
|
||
{
|
||
struct
|
||
{
|
||
/* -G value actually used for this object file. */
|
||
unsigned long gt_current_g_value;
|
||
/* Unused. */
|
||
unsigned long gt_unused;
|
||
} gt_header;
|
||
struct
|
||
{
|
||
/* If this -G argument has been used... */
|
||
unsigned long gt_g_value;
|
||
/* ...this many GP section bytes would be required. */
|
||
unsigned long gt_bytes;
|
||
} gt_entry;
|
||
} Elf32_gptab;
|
||
|
||
/* The external version of Elf32_gptab. */
|
||
|
||
typedef union
|
||
{
|
||
struct
|
||
{
|
||
unsigned char gt_current_g_value[4];
|
||
unsigned char gt_unused[4];
|
||
} gt_header;
|
||
struct
|
||
{
|
||
unsigned char gt_g_value[4];
|
||
unsigned char gt_bytes[4];
|
||
} gt_entry;
|
||
} Elf32_External_gptab;
|
||
|
||
/* A section of type SHT_MIPS_REGINFO contains the following
|
||
structure. */
|
||
typedef struct
|
||
{
|
||
/* Mask of general purpose registers used. */
|
||
unsigned long ri_gprmask;
|
||
/* Mask of co-processor registers used. */
|
||
unsigned long ri_cprmask[4];
|
||
/* GP register value for this object file. */
|
||
long ri_gp_value;
|
||
} Elf32_RegInfo;
|
||
|
||
/* The external version of the Elf_RegInfo structure. */
|
||
typedef struct
|
||
{
|
||
unsigned char ri_gprmask[4];
|
||
unsigned char ri_cprmask[4][4];
|
||
unsigned char ri_gp_value[4];
|
||
} Elf32_External_RegInfo;
|
||
|
||
/* MIPS ELF .reginfo swapping routines. */
|
||
extern void bfd_mips_elf32_swap_reginfo_in
|
||
PARAMS ((bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *));
|
||
extern void bfd_mips_elf32_swap_reginfo_out
|
||
PARAMS ((bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *));
|
||
|
||
/* Processor specific section flags. */
|
||
|
||
/* This section must be in the global data area. */
|
||
#define SHF_MIPS_GPREL 0x10000000
|
||
|
||
/* This section should be merged. */
|
||
#define SHF_MIPS_MERGE 0x20000000
|
||
|
||
/* This section contains 32 bit addresses. */
|
||
#define SHF_MIPS_ADDR32 0x40000000
|
||
|
||
/* This section contains 64 bit addresses. */
|
||
#define SHF_MIPS_ADDR64 0x80000000
|
||
|
||
/* This section may not be stripped. */
|
||
#define SHF_MIPS_NOSTRIP 0x08000000
|
||
|
||
/* This section is local to threads. */
|
||
#define SHF_MIPS_LOCAL 0x04000000
|
||
|
||
/* Linker should generate implicit weak names for this section. */
|
||
#define SHF_MIPS_NAMES 0x02000000
|
||
|
||
/* Processor specific program header types. */
|
||
|
||
/* Register usage information. Identifies one .reginfo section. */
|
||
#define PT_MIPS_REGINFO 0x70000000
|
||
|
||
/* Runtime procedure table. */
|
||
#define PT_MIPS_RTPROC 0x70000001
|
||
|
||
/* Options (for what ???). */
|
||
#define PT_MIPS_OPTIONS 0x70000002
|
||
|
||
/* Processor specific dynamic array tags. */
|
||
|
||
/* 32 bit version number for runtime linker interface. */
|
||
#define DT_MIPS_RLD_VERSION 0x70000001
|
||
|
||
/* Time stamp. */
|
||
#define DT_MIPS_TIME_STAMP 0x70000002
|
||
|
||
/* Checksum of external strings and common sizes. */
|
||
#define DT_MIPS_ICHECKSUM 0x70000003
|
||
|
||
/* Index of version string in string table. */
|
||
#define DT_MIPS_IVERSION 0x70000004
|
||
|
||
/* 32 bits of flags. */
|
||
#define DT_MIPS_FLAGS 0x70000005
|
||
|
||
/* 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 .liblist section. */
|
||
#define DT_MIPS_LIBLIST 0x70000009
|
||
|
||
/* Number of local global offset table entries. */
|
||
#define DT_MIPS_LOCAL_GOTNO 0x7000000a
|
||
|
||
/* Number of entries in the .conflict section. */
|
||
#define DT_MIPS_CONFLICTNO 0x7000000b
|
||
|
||
/* Number of entries in the .liblist section. */
|
||
#define DT_MIPS_LIBLISTNO 0x70000010
|
||
|
||
/* Number of entries in the .dynsym section. */
|
||
#define DT_MIPS_SYMTABNO 0x70000011
|
||
|
||
/* Index of first external dynamic symbol not referenced locally. */
|
||
#define DT_MIPS_UNREFEXTNO 0x70000012
|
||
|
||
/* Index of first dynamic symbol in global offset table. */
|
||
#define DT_MIPS_GOTSYM 0x70000013
|
||
|
||
/* Number of page table entries in global offset table. */
|
||
#define DT_MIPS_HIPAGENO 0x70000014
|
||
|
||
/* 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
|
||
|
||
/* ??? */
|
||
#define DT_MIPS_SYMBOL_LIB 0x70000024
|
||
|
||
/* ??? */
|
||
#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
|
||
|
||
/* ??? */
|
||
#define DT_MIPS_LOCAL_GOTIDX 0x70000026
|
||
|
||
/* ??? */
|
||
#define DT_MIPS_HIDDEN_GOTIDX 0x70000027
|
||
|
||
/* ??? */
|
||
#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
|
||
|
||
/* Flags which may appear in a DT_MIPS_FLAGS entry. */
|
||
|
||
/* No flags. */
|
||
#define RHF_NONE 0x00000000
|
||
|
||
/* Uses shortcut pointers. */
|
||
#define RHF_QUICKSTART 0x00000001
|
||
|
||
/* Hash size is not a power of two. */
|
||
#define RHF_NOTPOT 0x00000002
|
||
|
||
/* Ignore LD_LIBRARY_PATH. */
|
||
#define RHS_NO_LIBRARY_REPLACEMENT \
|
||
0x00000004
|
||
|
||
/* 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_VIF 0xe9
|
||
#define STO_DVP_GIF 0xea
|
||
#define STO_DVP_VU 0xeb
|
||
/* Reserve a couple in case we need them. */
|
||
#define STO_DVP_RES1 0xec
|
||
#define STO_DVP_RES2 0xed
|
||
#define STO_DVP_P(sto) ((sto) >= STO_DVP_DMA && (sto) <= STO_DVP_RES2)
|
||
|
||
/* end-sanitize-sky */
|
||
/* This value is used for a mips16 .text symbol. */
|
||
#define STO_MIPS16 0xf0
|
||
|
||
/* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each
|
||
relocation entry specifies up to three actual relocations, all at
|
||
the same address. The first relocation which required a symbol
|
||
uses the symbol in the r_sym field. The second relocation which
|
||
requires a symbol uses the symbol in the r_ssym field. If all
|
||
three relocations require a symbol, the third one uses a zero
|
||
value. */
|
||
|
||
/* An entry in a 64 bit SHT_REL section. */
|
||
|
||
typedef struct
|
||
{
|
||
/* Address of relocation. */
|
||
unsigned char r_offset[8];
|
||
/* Symbol index. */
|
||
unsigned char r_sym[4];
|
||
/* Special symbol. */
|
||
unsigned char r_ssym[1];
|
||
/* Third relocation. */
|
||
unsigned char r_type3[1];
|
||
/* Second relocation. */
|
||
unsigned char r_type2[1];
|
||
/* First relocation. */
|
||
unsigned char r_type[1];
|
||
} Elf64_Mips_External_Rel;
|
||
|
||
typedef struct
|
||
{
|
||
/* Address of relocation. */
|
||
bfd_vma r_offset;
|
||
/* Symbol index. */
|
||
unsigned long r_sym;
|
||
/* Special symbol. */
|
||
unsigned char r_ssym;
|
||
/* Third relocation. */
|
||
unsigned char r_type3;
|
||
/* Second relocation. */
|
||
unsigned char r_type2;
|
||
/* First relocation. */
|
||
unsigned char r_type;
|
||
} Elf64_Mips_Internal_Rel;
|
||
|
||
/* An entry in a 64 bit SHT_RELA section. */
|
||
|
||
typedef struct
|
||
{
|
||
/* Address of relocation. */
|
||
unsigned char r_offset[8];
|
||
/* Symbol index. */
|
||
unsigned char r_sym[4];
|
||
/* Special symbol. */
|
||
unsigned char r_ssym[1];
|
||
/* Third relocation. */
|
||
unsigned char r_type3[1];
|
||
/* Second relocation. */
|
||
unsigned char r_type2[1];
|
||
/* First relocation. */
|
||
unsigned char r_type[1];
|
||
/* Addend. */
|
||
unsigned char r_addend[8];
|
||
} Elf64_Mips_External_Rela;
|
||
|
||
typedef struct
|
||
{
|
||
/* Address of relocation. */
|
||
bfd_vma r_offset;
|
||
/* Symbol index. */
|
||
unsigned long r_sym;
|
||
/* Special symbol. */
|
||
unsigned char r_ssym;
|
||
/* Third relocation. */
|
||
unsigned char r_type3;
|
||
/* Second relocation. */
|
||
unsigned char r_type2;
|
||
/* First relocation. */
|
||
unsigned char r_type;
|
||
/* Addend. */
|
||
bfd_signed_vma r_addend;
|
||
} Elf64_Mips_Internal_Rela;
|
||
|
||
/* Values found in the r_ssym field of a relocation entry. */
|
||
|
||
/* No relocation. */
|
||
#define RSS_UNDEF 0
|
||
|
||
/* Value of GP. */
|
||
#define RSS_GP 1
|
||
|
||
/* Value of GP in object being relocated. */
|
||
#define RSS_GP0 2
|
||
|
||
/* Address of location being relocated. */
|
||
#define RSS_LOC 3
|
||
|
||
/* A SHT_MIPS_OPTIONS section contains a series of options, each of
|
||
which starts with this header. */
|
||
|
||
typedef struct
|
||
{
|
||
/* Type of option. */
|
||
unsigned char kind[1];
|
||
/* Size of option descriptor, including header. */
|
||
unsigned char size[1];
|
||
/* Section index of affected section, or 0 for global option. */
|
||
unsigned char section[2];
|
||
/* Information specific to this kind of option. */
|
||
unsigned char info[4];
|
||
} Elf_External_Options;
|
||
|
||
typedef struct
|
||
{
|
||
/* Type of option. */
|
||
unsigned char kind;
|
||
/* Size of option descriptor, including header. */
|
||
unsigned char size;
|
||
/* Section index of affected section, or 0 for global option. */
|
||
unsigned short section;
|
||
/* Information specific to this kind of option. */
|
||
unsigned long info;
|
||
} Elf_Internal_Options;
|
||
|
||
/* MIPS ELF option header swapping routines. */
|
||
extern void bfd_mips_elf_swap_options_in
|
||
PARAMS ((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 *));
|
||
|
||
/* Values which may appear in the kind field of an Elf_Options
|
||
structure. */
|
||
|
||
/* Undefined. */
|
||
#define ODK_NULL 0
|
||
|
||
/* Register usage and GP value. */
|
||
#define ODK_REGINFO 1
|
||
|
||
/* Exception processing information. */
|
||
#define ODK_EXCEPTIONS 2
|
||
|
||
/* Section padding information. */
|
||
#define ODK_PAD 3
|
||
|
||
/* 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. */
|
||
|
||
typedef struct
|
||
{
|
||
/* Mask of general purpose registers used. */
|
||
unsigned char ri_gprmask[4];
|
||
/* Padding. */
|
||
unsigned char ri_pad[4];
|
||
/* Mask of co-processor registers used. */
|
||
unsigned char ri_cprmask[4][4];
|
||
/* GP register value for this object file. */
|
||
unsigned char ri_gp_value[8];
|
||
} Elf64_External_RegInfo;
|
||
|
||
typedef struct
|
||
{
|
||
/* Mask of general purpose registers used. */
|
||
unsigned long ri_gprmask;
|
||
/* Padding. */
|
||
unsigned long ri_pad;
|
||
/* Mask of co-processor registers used. */
|
||
unsigned long ri_cprmask[4];
|
||
/* GP register value for this object file. */
|
||
bfd_vma ri_gp_value;
|
||
} Elf64_Internal_RegInfo;
|
||
|
||
/* MIPS ELF reginfo swapping routines. */
|
||
extern void bfd_mips_elf64_swap_reginfo_in
|
||
PARAMS ((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 *));
|
||
|
||
/* 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 floating-point 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 0x01 /* R4000 end-of-page patch. */
|
||
#define OHW_R8KPFETCH 0x02 /* May need R8000 prefetch patch. */
|
||
#define OHW_R5KEOP 0x04 /* R5000 end-of-page patch. */
|
||
#define OHW_R5KCVTL 0x08 /* R5000 cvt.[ds].l bug (clean == 1). */
|
||
|
||
/* 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
|
||
|
||
/* start-sanitize-sky */
|
||
/* The vu overlay table is an array of this. */
|
||
|
||
typedef struct
|
||
{
|
||
/* `name' is offset into overlay string table section. */
|
||
char name[4];
|
||
char lma[4];
|
||
char vma[4];
|
||
} Elf32_Dvp_External_Overlay;
|
||
|
||
typedef struct
|
||
{
|
||
bfd_vma name;
|
||
bfd_vma lma;
|
||
bfd_vma vma;
|
||
} Elf32_Dvp_Internal_Overlay;
|
||
|
||
/* overlay swapping routines. */
|
||
extern void bfd_dvp_elf32_swap_overlay_in
|
||
PARAMS ((bfd *, const Elf32_Dvp_External_Overlay *,
|
||
Elf32_Dvp_Internal_Overlay *));
|
||
extern void bfd_dvp_elf32_swap_overlay_out
|
||
PARAMS ((bfd *, const Elf32_Dvp_Internal_Overlay *,
|
||
Elf32_Dvp_External_Overlay *));
|
||
|
||
/* end-sanitize-sky */
|
||
|
||
#endif /* _ELF_MIPS_H */
|