/* MIPS ELF support for BFD.
- Copyright (C) 1993, 1994, 1995, 1996, 1998 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
+ Free Software Foundation, Inc.
By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
information in the System V Application Binary Interface, MIPS
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_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)
+ 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)
+ 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)
+ 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. */
/* These relocs are used for the mips16. */
RELOC_NUMBER (R_MIPS16_26, 100)
RELOC_NUMBER (R_MIPS16_GPREL, 101)
-/* start-sanitize-r5900 */
- /* This is used by a mips co-processor instruction. */
- RELOC_NUMBER (R_MIPS15_S3, 119)
-/* end-sanitize-r5900 */
-/* 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 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
+END_RELOC_NUMBERS (R_MIPS_maxext)
/* Processor specific flags for the ELF header e_flags field. */
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
+
+/* 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
+
+/* 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
+/* -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
+
+/* 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. */
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-cygnus */
+#define E_MIPS_MACH_4120 0x00870000
+#define E_MIPS_MACH_4111 0x00880000
+#define E_MIPS_MACH_SB1 0x008a0000
#define E_MIPS_MACH_5400 0x00910000
-/* end-sanitize-cygnus */
-/* start-sanitize-r5900 */
-#define E_MIPS_MACH_5900 0x00920000
-/* end-sanitize-r5900 */
+#define E_MIPS_MACH_5500 0x00980000
\f
/* Processor specific section indices. These sections do not actually
exist. Symbols with a st_shndx field corresponding to one of these
/* ??? */
#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
-/* ??? */
+/* Delta C++: declarations */
#define SHT_MIPS_DELTADECL 0x7000001f
/* List of libraries the binary depends on. Includes a time stamp, version
/* ??? */
#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
-/* 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
/* 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
-/* Options (for what ???). */
+/* .MIPS.options section. */
#define PT_MIPS_OPTIONS 0x70000002
\f
/* Processor specific dynamic array tags. */
/* 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 RHF_NOTPOT 0x00000002
/* Ignore LD_LIBRARY_PATH. */
-#define RHS_NO_LIBRARY_REPLACEMENT \
- 0x00000004
+#define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
-#define RHF_NO_MOVE 0x00000008
-#define RHF_SGI_ONLY 0x00000010
+/* 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_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
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. */
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 *));
+ (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 *);
/* 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_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 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). */
+#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 OHWA0_R4KEOP_CHECKED 0x00000001
#define OHWA0_R4KEOP_CLEAN 0x00000002
\f
-/* 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 */
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