diff options
Diffstat (limited to 'contrib/binutils/include/elf/mips.h')
-rw-r--r-- | contrib/binutils/include/elf/mips.h | 405 |
1 files changed, 398 insertions, 7 deletions
diff --git a/contrib/binutils/include/elf/mips.h b/contrib/binutils/include/elf/mips.h index f6efad3..1e2a9f9 100644 --- a/contrib/binutils/include/elf/mips.h +++ b/contrib/binutils/include/elf/mips.h @@ -1,5 +1,5 @@ /* 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 @@ -27,6 +27,65 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #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 + /* Processor specific flags for the ELF header e_flags field. */ /* At least one .noreorder directive appears in the source. */ @@ -42,6 +101,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* 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 @@ -56,6 +119,40 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* -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 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 + /* Processor specific section indices. These sections do not actually exist. Symbols with a st_shndx field corresponding to one of these @@ -106,6 +203,15 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* 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 @@ -115,15 +221,86 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* 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 +/* ??? */ +#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 @@ -142,6 +319,16 @@ typedef struct 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. */ @@ -151,9 +338,26 @@ typedef struct /* 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 @@ -253,6 +457,9 @@ extern void bfd_mips_elf32_swap_reginfo_out /* Runtime procedure table. */ #define PT_MIPS_RTPROC 0x70000001 + +/* Options (for what ???). */ +#define PT_MIPS_OPTIONS 0x70000002 /* Processor specific dynamic array tags. */ @@ -274,6 +481,9 @@ extern void bfd_mips_elf32_swap_reginfo_out /* 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 @@ -303,6 +513,84 @@ extern void bfd_mips_elf32_swap_reginfo_out /* 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. */ @@ -318,14 +606,27 @@ extern void bfd_mips_elf32_swap_reginfo_out /* 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 0x00 -#define STO_INTERNAL 0x01 -#define STO_HIDDEN 0x02 -#define STO_PROTECTED 0x03 +#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 @@ -472,7 +773,28 @@ extern void bfd_mips_elf_swap_options_out /* 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. */ @@ -500,10 +822,79 @@ typedef struct 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 */ |