diff options
| -rw-r--r-- | include/elf/ChangeLog | 20 | ||||
| -rw-r--r-- | include/elf/external.h | 4 | ||||
| -rw-r--r-- | include/elf/mips.h | 126 |
3 files changed, 112 insertions, 38 deletions
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index e9a053f..d1c9574 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,23 @@ +2001-05-07 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de> + + * external.h: Fix typo. + * mips.h: Add/Extend many comments with reference to the MIPS ELF64 + spec v. 2.4, available at e.g. + ftp://oss.sgi.com/pub/linux/mips/doc/ABI/ELF64.ps. + (EF_MIPS_UCODE): Define. + (EF_MIPS_OPTIONS_FIRST): Define. + (EF_MIPS_ARCH_ASE): Define. + (EF_MIPS_ARCH_ASE_MDMX): Define. + (EF_MIPS_ARCH_ASE_M16): Define. + (SHF_MIPS_ADDR): Renamed SHF_MIPS_ADDR32. + (SHF_MIPS_STRING): Renamed SHF_MIPS_ADDR64. + (SHF_MIPS_NODUPES): Define. + (ELF64_MIPS_R_SSYM): New MIPS ELF 64 relocation info access macro. + (ELF64_MIPS_R_TYPE3): Likewise. + (ELF64_MIPS_R_TYPE2): Likewise. + (ELF64_MIPS_R_TYPE): Likewise. + (OHW_R10KLDL): Define. + 2001-04-24 Todd Fries <todd@fries.net> * sparc.h: Fix typo. diff --git a/include/elf/external.h b/include/elf/external.h index fae3381..38e6596 100644 --- a/include/elf/external.h +++ b/include/elf/external.h @@ -1,5 +1,5 @@ /* ELF support for BFD. - Copyright 1991, 1992, 1993, 1995, 1997, 1998, 1999 + Copyright 1991, 1992, 1993, 1995, 1997, 1998, 1999, 2001 Free Software Foundation, Inc. Written by Fred Fish @ Cygnus Support, from information published @@ -26,7 +26,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* This file is part of ELF support for BFD, and contains the portions that describe how ELF is represented externally by the BFD library. I.E. it describes the in-file representation of ELF. It requires - the elf-common.h file which contains the portions that are common to + the elf/common.h file which contains the portions that are common to both the internal and external representations. */ /* The 64-bit stuff is kind of random. Perhaps someone will publish a diff --git a/include/elf/mips.h b/include/elf/mips.h index 16398f0..6ad8d5b 100644 --- a/include/elf/mips.h +++ b/include/elf/mips.h @@ -1,5 +1,5 @@ /* MIPS ELF support for BFD. - Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 + Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from @@ -34,16 +34,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 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. */ @@ -99,9 +99,24 @@ END_RELOC_NUMBERS (R_MIPS_maxext) position independent code. */ #define EF_MIPS_CPIC 0x00000004 +/* 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 @@ -265,19 +280,19 @@ END_RELOC_NUMBERS (R_MIPS_maxext) /* ??? */ #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 @@ -290,25 +305,25 @@ END_RELOC_NUMBERS (R_MIPS_maxext) /* ??? */ #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 @@ -446,11 +461,12 @@ extern void bfd_mips_elf32_swap_reginfo_out /* 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 @@ -460,6 +476,10 @@ extern void bfd_mips_elf32_swap_reginfo_out /* 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 /* Processor specific program header types. */ @@ -469,7 +489,7 @@ extern void bfd_mips_elf32_swap_reginfo_out /* Runtime procedure table. */ #define PT_MIPS_RTPROC 0x70000001 -/* Options (for what ???). */ +/* .MIPS.options section. */ #define PT_MIPS_OPTIONS 0x70000002 /* Processor specific dynamic array tags. */ @@ -561,19 +581,19 @@ extern void bfd_mips_elf32_swap_reginfo_out /* 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'. */ @@ -615,20 +635,44 @@ extern void bfd_mips_elf32_swap_reginfo_out #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 /* Special values for the st_other field in the symbol table. These @@ -722,6 +766,12 @@ typedef struct 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. */ @@ -878,7 +928,8 @@ extern void bfd_mips_elf64_swap_reginfo_out #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. */ @@ -894,10 +945,13 @@ extern void bfd_mips_elf64_swap_reginfo_out #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. */ |