diff options
Diffstat (limited to 'sys/arch/mips64/include')
| -rw-r--r-- | sys/arch/mips64/include/exec.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/sys/arch/mips64/include/exec.h b/sys/arch/mips64/include/exec.h new file mode 100644 index 00000000000..3c63f743523 --- /dev/null +++ b/sys/arch/mips64/include/exec.h @@ -0,0 +1,188 @@ +/* $OpenBSD: exec.h,v 1.1 2004/10/18 19:05:36 grange Exp $ */ + +/* + * Copyright (c) 1996-2004 Per Fogelstrom, Opsycon AB + * + * 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 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 + * 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. + * + */ + +#ifndef _MIPS64_EXEC_H_ +#define _MIPS64_EXEC_H_ + +#define __LDPGSZ 4096 + +/* + * Define what exec "formats" we should handle. + */ +#define NATIVE_EXEC_ELF +#define NATIVE_ELFSIZE 64 +#define EXEC_SCRIPT + +/* + * If included from sys/exec.h define kernels ELF format. + */ +#ifdef __LP64__ +#define ARCH_ELFSIZE 64 +#define DB_ELFSIZE 64 +#define ELF_TARG_CLASS ELFCLASS64 +#else +#define ARCH_ELFSIZE 32 +#define DB_ELFSIZE 32 +#define ELF_TARG_CLASS ELFCLASS32 +#endif + +#if defined(__MIPSEB__) +#define ELF_TARG_DATA ELFDATA2MSB +#else +#define ELF_TARG_DATA ELFDATA2LSB +#endif +#define ELF_TARG_MACH EM_MIPS + +#define _NLIST_DO_ELF + +#if defined(_LP64) +#define _KERN_DO_ELF64 +#if defined(COMPAT_O32) +#define _KERN_DO_ELF +#endif +#else +#define _KERN_DO_ELF +#endif + +/* Information taken from MIPS ABI supplemental */ + +/* 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 0x00000001 /* .noreorder was used */ +#define EF_MIPS_PIC 0x00000002 /* Contains PIC code */ +#define EF_MIPS_CPIC 0x00000004 /* Uses PIC calling sequence */ +#define EF_MIPS_ABI2 0x00000020 /* -n32 on Irix 6 */ +#define EF_MIPS_32BITMODE 0x00000100 /* 64 bit in 32 bit mode... */ +#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ +#define E_MIPS_ARCH_1 0x00000000 +#define E_MIPS_ARCH_2 0x10000000 +#define E_MIPS_ARCH_3 0x20000000 +#define E_MIPS_ARCH_4 0x30000000 +#define EF_MIPS_ABI 0x0000f000 /* ABI level */ +#define E_MIPS_ABI_NONE 0x00000000 /* ABI level not set */ +#define E_MIPS_ABI_O32 0x00001000 +#define E_MIPS_ABI_O64 0x00002000 +#define E_MIPS_ABI_EABI32 0x00004000 +#define E_MIPS_ABI_EABI64 0x00004000 + +/* + * 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 */ + +#if 0 +/* + * 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; + +/* + * 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; +#endif + + +/* + * 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_64 18 + +#define R_MIPS_REL32_64 ((R_MIPS_64 << 8) | R_MIPS_REL32) + + +#endif /* !_MIPS64_EXEC_H_ */ |