/* MIPS ELF support for BFD.
- Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ 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
#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 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. */
/* 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
/* -mips4 code. */
#define E_MIPS_ARCH_4 0x30000000
+/* 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 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 */
+#define E_MIPS_MACH_4111 0x00880000
+
\f
/* Processor specific section indices. These sections do not actually
exist. Symbols with a st_shndx field corresponding to one of these
/* 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
+
+/* ??? */
+#define SHT_MIPS_DELTASYM 0x7000001b
+
+/* ??? */
+#define SHT_MIPS_DELTAINST 0x7000001c
+
+/* ??? */
+#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. */
+/* ??? */
+#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
-/* 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 */
+/* ??? */
+#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
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
/* Runtime procedure table. */
#define PT_MIPS_RTPROC 0x70000001
+
+/* Options (for what ???). */
+#define PT_MIPS_OPTIONS 0x70000002
\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
+
+/* ??? */
+#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
\f
/* Flags which may appear in a DT_MIPS_FLAGS entry. */
/* 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
\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_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 */
+#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
\f
/* 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;
+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 *));
-\f
-/* start-sanitize-sky */
-/* The vu overlay table is an array of this. */
-typedef struct
-{
- /* Offset into overlay string table section. */
- char name[8];
- char lma[8];
- char vma[8];
-} Elf64_Dvp_External_Overlay;
-
-typedef struct
-{
- bfd_vma name;
- bfd_vma lma;
- bfd_vma vma;
-} Elf64_Dvp_Internal_Overlay;
-
-/* overlay swapping routines. */
-extern void bfd_dvp_elf64_swap_overlay_in
- PARAMS ((bfd *, const Elf64_Dvp_External_Overlay *,
- Elf64_Dvp_Internal_Overlay *));
-extern void bfd_dvp_elf64_swap_overlay_out
- PARAMS ((bfd *, const Elf64_Dvp_Internal_Overlay *,
- Elf64_Dvp_External_Overlay *));
-
-/* end-sanitize-sky */
+/* 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
+\f
#endif /* _ELF_MIPS_H */