diff options
Diffstat (limited to 'sys/mips')
| -rw-r--r-- | sys/mips/include/elf.h | 369 |
1 files changed, 182 insertions, 187 deletions
diff --git a/sys/mips/include/elf.h b/sys/mips/include/elf.h index be4d024..427906d 100644 --- a/sys/mips/include/elf.h +++ b/sys/mips/include/elf.h @@ -1,7 +1,5 @@ -/* $OpenBSD: elf_abi.h,v 1.1 1998/01/28 11:14:41 pefo Exp $ */ - -/*- - * Copyright (c) 1996 Per Fogelstrom +/* + * Copyright (c) 2013 M. Warner Losh. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -11,18 +9,12 @@ * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed under OpenBSD by - * Per Fogelstrom. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT @@ -30,190 +22,60 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * JNPR: elf.h,v 1.4 2006/12/02 09:53:40 katta * $FreeBSD$ + */ + +/*- + * Copyright (c) 2013 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * See below starting with the line with $NetBSD...$ for code this applies to. */ -#ifndef _MACHINE_ELF_H_ -#define _MACHINE_ELF_H_ +#ifndef __MIPS_ELF_H +#define __MIPS_ELF_H -/* Information taken from MIPS ABI supplemental */ +/* FreeBSD specific bits - derived from FreeBSD specific files and changes to old elf.h */ +/* + * Define __ELF_WORD_SIZE based on the ABI, if not defined yet. This sets + * the proper defaults when we're not trying to do 32-bit on 64-bit systems. + * We include both 32 and 64 bit versions so we can support multiple ABIs. + */ #ifndef __ELF_WORD_SIZE #if defined(__mips_n64) -#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */ +#define __ELF_WORD_SIZE 64 #else -#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */ +#define __ELF_WORD_SIZE 32 #endif #endif -#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ -#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */ +#include <sys/elf32.h> +#include <sys/elf64.h> #include <sys/elf_generic.h> -#define ELF_ARCH EM_MIPS -#if __ELF_WORD_SIZE == 32 -#define ELF_ARCH32 EM_MIPS -#endif -#define ELF_MACHINE_OK(x) ((x) == EM_MIPS || (x) == EM_MIPS_RS4_BE) - -/* Architecture dependent Segment types - p_type */ -#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ - -/* Architecture dependent d_tag field for Elf32_Dyn. */ -#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime Linker Interface ID */ -#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ -#define DT_MIPS_ICHECKSUM 0x70000003 /* Cksum of ext str and com sizes */ -#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ -#define DT_MIPS_FLAGS 0x70000005 /* Flags */ -#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Segment base address */ -#define DT_MIPS_CONFLICT 0x70000008 /* Adr of .conflict section */ -#define DT_MIPS_LIBLIST 0x70000009 /* Address of .liblist section */ -#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local .GOT entries */ -#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of .conflict entries */ -#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of .liblist entries */ -#define DT_MIPS_SYMTABNO 0x70000011 /* Number of .dynsym entries */ -#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ -#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in .dynsym */ -#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ -#define DT_MIPS_RLD_MAP 0x70000016 /* Address of debug map pointer */ - -#define DT_PROCNUM (DT_MIPS_RLD_MAP - DT_LOPROC + 1) - -/* - * Legal values for e_flags field of Elf32_Ehdr. - */ -#define EF_MIPS_NOREORDER 1 /* .noreorder was used */ -#define EF_MIPS_PIC 2 /* Contains PIC code */ -#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */ -#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ - -/* - * Mips special sections. - */ -#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ -#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ -#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ - -/* - * Legal values for sh_type field of Elf32_Shdr. - */ -#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ -#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ -#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ -#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ -#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information */ -#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ - -/* - * Legal values for sh_flags field of Elf32_Shdr. - */ -#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ - -/* - * Entries found in sections of type SHT_MIPS_GPTAB. - */ -typedef union { - struct { - Elf32_Word gt_current_g_value; /* -G val used in compilation */ - Elf32_Word gt_unused; /* Not used */ - } gt_header; /* First entry in section */ - struct { - Elf32_Word gt_g_value; /* If this val were used for -G */ - Elf32_Word gt_bytes; /* This many bytes would be used */ - } gt_entry; /* Subsequent entries in section */ -} Elf32_gptab; -typedef union { - struct { - Elf64_Word gt_current_g_value; /* -G val used in compilation */ - Elf64_Word gt_unused; /* Not used */ - } gt_header; /* First entry in section */ - struct { - Elf64_Word gt_g_value; /* If this val were used for -G */ - Elf64_Word gt_bytes; /* This many bytes would be used */ - } gt_entry; /* Subsequent entries in section */ -} Elf64_gptab; - -/* - * Entry found in sections of type SHT_MIPS_REGINFO. - */ -typedef struct { - Elf32_Word ri_gprmask; /* General registers used */ - Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ - Elf32_Sword ri_gp_value; /* $gp register value */ -} Elf32_RegInfo; -typedef struct { - Elf64_Word ri_gprmask; /* General registers used */ - Elf64_Word ri_cprmask[4]; /* Coprocessor registers used */ - Elf64_Sword ri_gp_value; /* $gp register value */ -} Elf64_RegInfo; - - -/* - * Mips relocations. - */ - -#define R_MIPS_NONE 0 /* No reloc */ -#define R_MIPS_16 1 /* Direct 16 bit */ -#define R_MIPS_32 2 /* Direct 32 bit */ -#define R_MIPS_REL32 3 /* PC relative 32 bit */ -#define R_MIPS_26 4 /* Direct 26 bit shifted */ -#define R_MIPS_HI16 5 /* High 16 bit */ -#define R_MIPS_LO16 6 /* Low 16 bit */ -#define R_MIPS_GPREL16 7 /* GP relative 16 bit */ -#define R_MIPS_LITERAL 8 /* 16 bit literal entry */ -#define R_MIPS_GOT16 9 /* 16 bit GOT entry */ -#define R_MIPS_PC16 10 /* PC relative 16 bit */ -#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ -#define R_MIPS_GPREL32 12 /* GP relative 32 bit */ -#define R_MIPS_GOTHI16 21 /* GOT HI 16 bit */ -#define R_MIPS_GOTLO16 22 /* GOT LO 16 bit */ -#define R_MIPS_CALLHI16 30 /* upper 16 bit GOT entry for function */ -#define R_MIPS_CALLLO16 31 /* lower 16 bit GOT entry for function */ - -/* - * These are from the 64-bit Irix ELF ABI - */ -#define R_MIPS_SHIFT5 16 -#define R_MIPS_SHIFT6 17 -#define R_MIPS_64 18 -#define R_MIPS_GOT_DISP 19 -#define R_MIPS_GOT_PAGE 20 -#define R_MIPS_GOT_OFST 21 -#define R_MIPS_GOT_HI16 22 -#define R_MIPS_GOT_LO16 23 -#define R_MIPS_SUB 24 -#define R_MIPS_INSERT_A 25 -#define R_MIPS_INSERT_B 26 -#define R_MIPS_DELETE 27 -#define R_MIPS_HIGHER 28 -#define R_MIPS_HIGHEST 29 -#define R_MIPS_SCN_DISP 32 -#define R_MIPS_REL16 33 -#define R_MIPS_ADD_IMMEDIATE 34 -#define R_MIPS_PJUMP 35 -#define R_MIPS_RELGOT 36 -#define R_MIPS_JALR 37 - -/* - * TLS relocations - */ -#define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ -#define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ -#define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ -#define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ -#define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ -#define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ -#define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ -#define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ -#define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ -#define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ -#define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ -#define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ -#define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ - -#define R_MIPS_max 51 -#define R_TYPE(name) __CONCAT(R_MIPS_,name) +#define ELF_ARCH EM_MIPS +#define ELF_ARCH32 EM_MIPS /* Define "machine" characteristics */ #if __ELF_WORD_SIZE == 32 @@ -290,4 +152,137 @@ __ElfType(Auxinfo); */ #define SYMTAB_MAGIC 0x64656267 -#endif /* !_MACHINE_ELF_H_ */ +/* from NetBSD's sys/mips/include/elf_machdep.h $NetBSD: elf_machdep.h,v 1.18 2013/05/23 21:39:49 christos Exp $ */ + +/* mips relocs. */ + +#define R_MIPS_NONE 0 +#define R_MIPS_16 1 +#define R_MIPS_32 2 +#define R_MIPS_REL32 3 +#define R_MIPS_REL R_MIPS_REL32 +#define R_MIPS_26 4 +#define R_MIPS_HI16 5 /* high 16 bits of symbol value */ +#define R_MIPS_LO16 6 /* low 16 bits of symbol value */ +#define R_MIPS_GPREL16 7 /* GP-relative reference */ +#define R_MIPS_LITERAL 8 /* Reference to literal section */ +#define R_MIPS_GOT16 9 /* Reference to global offset table */ +#define R_MIPS_GOT R_MIPS_GOT16 +#define R_MIPS_PC16 10 /* 16 bit PC relative reference */ +#define R_MIPS_CALL16 11 /* 16 bit call thru glbl offset tbl */ +#define R_MIPS_CALL R_MIPS_CALL16 +#define R_MIPS_GPREL32 12 + +/* 13, 14, 15 are not defined at this point. */ +#define R_MIPS_UNUSED1 13 +#define R_MIPS_UNUSED2 14 +#define R_MIPS_UNUSED3 15 + +/* + * The remaining relocs are apparently part of the 64-bit Irix ELF ABI. + */ +#define R_MIPS_SHIFT5 16 +#define R_MIPS_SHIFT6 17 + +#define R_MIPS_64 18 +#define R_MIPS_GOT_DISP 19 +#define R_MIPS_GOT_PAGE 20 +#define R_MIPS_GOT_OFST 21 +#define R_MIPS_GOT_HI16 22 +#define R_MIPS_GOT_LO16 23 +#define R_MIPS_SUB 24 +#define R_MIPS_INSERT_A 25 +#define R_MIPS_INSERT_B 26 +#define R_MIPS_DELETE 27 +#define R_MIPS_HIGHER 28 +#define R_MIPS_HIGHEST 29 +#define R_MIPS_CALL_HI16 30 +#define R_MIPS_CALL_LO16 31 +#define R_MIPS_SCN_DISP 32 +#define R_MIPS_REL16 33 +#define R_MIPS_ADD_IMMEDIATE 34 +#define R_MIPS_PJUMP 35 +#define R_MIPS_RELGOT 36 +#define R_MIPS_JALR 37 +/* TLS relocations */ + +#define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ +#define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ +#define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ +#define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ +#define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ +#define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ +#define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ +#define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ +#define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ +#define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ +#define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ +#define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ +#define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ + +#define R_MIPS_max 51 + +#define R_TYPE(name) __CONCAT(R_MIPS_,name) + +#define R_MIPS16_min 100 +#define R_MIPS16_26 100 +#define R_MIPS16_GPREL 101 +#define R_MIPS16_GOT16 102 +#define R_MIPS16_CALL16 103 +#define R_MIPS16_HI16 104 +#define R_MIPS16_LO16 105 +#define R_MIPS16_max 106 + +#define R_MIPS_COPY 126 +#define R_MIPS_JUMP_SLOT 127 + +/* mips dynamic tags */ + +#define DT_MIPS_RLD_VERSION 0x70000001 +#define DT_MIPS_TIME_STAMP 0x70000002 +#define DT_MIPS_ICHECKSUM 0x70000003 +#define DT_MIPS_IVERSION 0x70000004 +#define DT_MIPS_FLAGS 0x70000005 +#define DT_MIPS_BASE_ADDRESS 0x70000006 +#define DT_MIPS_CONFLICT 0x70000008 +#define DT_MIPS_LIBLIST 0x70000009 +#define DT_MIPS_CONFLICTNO 0x7000000b +#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* number of local got ents */ +#define DT_MIPS_LIBLISTNO 0x70000010 +#define DT_MIPS_SYMTABNO 0x70000011 /* number of .dynsym entries */ +#define DT_MIPS_UNREFEXTNO 0x70000012 +#define DT_MIPS_GOTSYM 0x70000013 /* first dynamic sym in got */ +#define DT_MIPS_HIPAGENO 0x70000014 +#define DT_MIPS_RLD_MAP 0x70000016 /* address of loader map */ +#define DT_MIPS_PLTGOT 0x70000032 +#define DT_MIPS_RWPLT 0x70000034 + +/* + * ELF Flags + */ +#define EF_MIPS_PIC 0x00000002 /* Contains PIC code */ +#define EF_MIPS_CPIC 0x00000004 /* STD PIC calling sequence */ +#define EF_MIPS_ABI2 0x00000020 /* N32 */ + +#define EF_MIPS_ARCH_ASE 0x0f000000 /* Architectural extensions */ +#define EF_MIPS_ARCH_MDMX 0x08000000 /* MDMX multimedia extension */ +#define EF_MIPS_ARCH_M16 0x04000000 /* MIPS-16 ISA extensions */ + +#define EF_MIPS_ARCH 0xf0000000 /* Architecture field */ +#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code */ +#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code */ +#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code */ +#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code */ +#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code */ +#define EF_MIPS_ARCH_32 0x50000000 /* -mips32 code */ +#define EF_MIPS_ARCH_64 0x60000000 /* -mips64 code */ +#define EF_MIPS_ARCH_32R2 0x70000000 /* -mips32r2 code */ +#define EF_MIPS_ARCH_64R2 0x80000000 /* -mips64r2 code */ + +#define EF_MIPS_ABI 0x0000f000 +#define EF_MIPS_ABI_O32 0x00001000 +#define EF_MIPS_ABI_O64 0x00002000 +#define EF_MIPS_ABI_EABI32 0x00003000 +#define EF_MIPS_ABI_EABI64 0x00004000 + +#endif /* __MIPS_ELF_H */ |
