| /* MIPS ELF support for BFD. |
| Copyright (C) 1993, 94, 95, 96, 97, 98, 99, 2000 |
| 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) |
| 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) |
| RELOC_NUMBER (R_MIPS_max, 38) |
| /* These relocs are used for the mips16. */ |
| RELOC_NUMBER (R_MIPS16_26, 100) |
| RELOC_NUMBER (R_MIPS16_GPREL, 101) |
| /* These are GNU extensions to handle embedded-pic. */ |
| RELOC_NUMBER (R_MIPS_PC32, 248) |
| RELOC_NUMBER (R_MIPS_PC64, 249) |
| RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250) |
| RELOC_NUMBER (R_MIPS_GNU_REL_LO16, 251) |
| RELOC_NUMBER (R_MIPS_GNU_REL_HI16, 252) |
| /* 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. */ |
| #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 |
| |
| /* Indicates code compiled for a 64-bit machine in 32-bit mode. |
| (regs are 32-bits wide.) */ |
| #define EF_MIPS_32BITMODE 0x00000100 |
| |
| /* 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 |
| |
| /* -mips5 code. */ |
| #define E_MIPS_ARCH_5 0x40000000 |
| |
| /* -mips32 code. */ |
| #define E_MIPS_ARCH_32 0x50000000 |
| |
| /* -mips64 code. */ |
| #define E_MIPS_ARCH_64 0x60000000 |
| |
| /* 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_4111 0x00880000 |
| #define E_MIPS_MACH_MIPS32_4K 0x00890000 |
| #define E_MIPS_MACH_SB1 0x008a0000 |
| |
| /* 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 |
| |
| |
| /* 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 |
| |
| /* 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 |
| 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 |
| |
| #define RHF_NO_MOVE 0x00000008 |
| #define RHF_SGI_ONLY 0x00000010 |
| #define RHF_GUARANTEE_INIT 0x00000020 |
| #define RHF_DELTA_C_PLUS_PLUS 0x00000040 |
| #define RHF_GUARANTEE_START_INIT 0x00000080 |
| #define RHF_PIXIE 0x00000100 |
| #define RHF_DEFAULT_DELAY_LOAD 0x00000200 |
| #define RHF_REQUICKSTART 0x00000400 |
| #define RHF_REQUICKSTARTED 0x00000800 |
| #define RHF_CORD 0x00001000 |
| #define RHF_NO_UNRES_UNDEF 0x00002000 |
| #define RHF_RLD_ORDER_SAFE 0x00004000 |
| |
| /* Special values for the st_other field in the symbol table. These |
| are used in an Irix 5 dynamic symbol table. */ |
| |
| #define STO_DEFAULT STV_DEFAULT |
| #define STO_INTERNAL STV_INTERNAL |
| #define STO_HIDDEN STV_HIDDEN |
| #define STO_PROTECTED STV_PROTECTED |
| |
| /* 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; |
| |
| 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 *)); |
| 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 |
| |
| |
| #endif /* _ELF_MIPS_H */ |