1405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* $OpenBSD: exec.h,v 1.1 2004/10/18 19:05:36 grange Exp $ */ 2405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 3405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 4405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Copyright (c) 1996-2004 Per Fogelstrom, Opsycon AB 5405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * 6405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Redistribution and use in source and binary forms, with or without 7405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * modification, are permitted provided that the following conditions 8405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * are met: 9405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * 1. Redistributions of source code must retain the above copyright 10405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * notice, this list of conditions and the following disclaimer. 11405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * 2. Redistributions in binary form must reproduce the above copyright 12405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * notice, this list of conditions and the following disclaimer in the 13405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * documentation and/or other materials provided with the distribution. 14405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * 15405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 19405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * SUCH DAMAGE. 26405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * 27405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 28405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 29405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#ifndef _MIPS64_EXEC_H_ 30405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define _MIPS64_EXEC_H_ 31405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 32405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define __LDPGSZ 4096 33405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 34405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 35405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Define what exec "formats" we should handle. 36405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 37405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define NATIVE_EXEC_ELF 38405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define NATIVE_ELFSIZE 64 39405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EXEC_SCRIPT 40405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 41405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 42405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * If included from sys/exec.h define kernels ELF format. 43405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 44405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#ifdef __LP64__ 45405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define ARCH_ELFSIZE 64 46405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DB_ELFSIZE 64 47405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define ELF_TARG_CLASS ELFCLASS64 48405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#else 49405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define ARCH_ELFSIZE 32 50405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DB_ELFSIZE 32 51405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define ELF_TARG_CLASS ELFCLASS32 52405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#endif 53405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 54405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#if defined(__MIPSEB__) 55405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define ELF_TARG_DATA ELFDATA2MSB 56405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#else 57405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define ELF_TARG_DATA ELFDATA2LSB 58405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#endif 59405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define ELF_TARG_MACH EM_MIPS 60405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 61405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define _NLIST_DO_ELF 62405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 63405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#if defined(_LP64) 64405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define _KERN_DO_ELF64 65405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#if defined(COMPAT_O32) 66405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define _KERN_DO_ELF 67405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#endif 68405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#else 69405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define _KERN_DO_ELF 70405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#endif 71405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 72405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* Information taken from MIPS ABI supplemental */ 73405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 74405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* Architecture dependent Segment types - p_type */ 75405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ 76405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 77405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* Architecture dependent d_tag field for Elf32_Dyn. */ 78405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime Linker Interface ID */ 79405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ 80405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_ICHECKSUM 0x70000003 /* Cksum of ext. str. and com. sizes */ 81405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ 82405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_FLAGS 0x70000005 /* Flags */ 83405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Segment base address */ 84405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_CONFLICT 0x70000008 /* Adr of .conflict section */ 85405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_LIBLIST 0x70000009 /* Address of .liblist section */ 86405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local .GOT entries */ 87405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of .conflict entries */ 88405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of .liblist entries */ 89405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_SYMTABNO 0x70000011 /* Number of .dynsym entries */ 90405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ 91405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in .dynsym */ 92405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ 93405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_MIPS_RLD_MAP 0x70000016 /* Address of debug map pointer */ 94405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 95405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define DT_PROCNUM (DT_MIPS_RLD_MAP - DT_LOPROC + 1) 96405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 97405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 98405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Legal values for e_flags field of Elf32_Ehdr. 99405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 100405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EF_MIPS_NOREORDER 0x00000001 /* .noreorder was used */ 101405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EF_MIPS_PIC 0x00000002 /* Contains PIC code */ 102405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EF_MIPS_CPIC 0x00000004 /* Uses PIC calling sequence */ 103405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EF_MIPS_ABI2 0x00000020 /* -n32 on Irix 6 */ 104405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EF_MIPS_32BITMODE 0x00000100 /* 64 bit in 32 bit mode... */ 105405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ 106405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ARCH_1 0x00000000 107405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ARCH_2 0x10000000 108405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ARCH_3 0x20000000 109405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ARCH_4 0x30000000 110405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define EF_MIPS_ABI 0x0000f000 /* ABI level */ 111405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ABI_NONE 0x00000000 /* ABI level not set */ 112405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ABI_O32 0x00001000 113405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ABI_O64 0x00002000 114405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ABI_EABI32 0x00004000 115405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define E_MIPS_ABI_EABI64 0x00004000 116405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 117405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 118405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Mips special sections. 119405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 120405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ 121405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ 122405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ 123405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 124405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 125405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Legal values for sh_type field of Elf32_Shdr. 126405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 127405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ 128405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ 129405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ 130405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ 131405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information */ 132405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ 133405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 134405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 135405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Legal values for sh_flags field of Elf32_Shdr. 136405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 137405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ 138405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 139405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#if 0 140405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 141405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Entries found in sections of type SHT_MIPS_GPTAB. 142405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 143405b8029a6888f386adf3512113a33546141d1c8Raghu Gandhamtypedef union { 144405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham struct { 145405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham Elf32_Word gt_current_g_value; /* -G val used in compilation */ 146405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham Elf32_Word gt_unused; /* Not used */ 147405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham } gt_header; /* First entry in section */ 148405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham struct { 149405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham Elf32_Word gt_g_value; /* If this val were used for -G */ 150405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham Elf32_Word gt_bytes; /* This many bytes would be used */ 151405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham } gt_entry; /* Subsequent entries in section */ 152405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham} Elf32_gptab; 153405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 154405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 155405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Entry found in sections of type SHT_MIPS_REGINFO. 156405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 157405b8029a6888f386adf3512113a33546141d1c8Raghu Gandhamtypedef struct { 158405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham Elf32_Word ri_gprmask; /* General registers used */ 159405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ 160405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham Elf32_Sword ri_gp_value; /* $gp register value */ 161405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham} Elf32_RegInfo; 162405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#endif 163405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 164405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 165405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham/* 166405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham * Mips relocations. 167405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham */ 168405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 169405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_NONE 0 /* No reloc */ 170405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_16 1 /* Direct 16 bit */ 171405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_32 2 /* Direct 32 bit */ 172405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_REL32 3 /* PC relative 32 bit */ 173405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_26 4 /* Direct 26 bit shifted */ 174405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_HI16 5 /* High 16 bit */ 175405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_LO16 6 /* Low 16 bit */ 176405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_GPREL16 7 /* GP relative 16 bit */ 177405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_LITERAL 8 /* 16 bit literal entry */ 178405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_GOT16 9 /* 16 bit GOT entry */ 179405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_PC16 10 /* PC relative 16 bit */ 180405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ 181405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_GPREL32 12 /* GP relative 32 bit */ 182405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 183405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_64 18 184405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 185405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#define R_MIPS_REL32_64 ((R_MIPS_64 << 8) | R_MIPS_REL32) 186405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 187405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham 188405b8029a6888f386adf3512113a33546141d1c8Raghu Gandham#endif /* !_MIPS64_EXEC_H_ */ 189