FreeBSD/Linux Kernel Cross Reference
sys/riscv/include/elf.h

     /*-
      * Copyright (c) 1996-1997 John D. Polstra.
      * 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 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
     * 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _MACHINE_ELF_H_
    #define _MACHINE_ELF_H_
    
    /*
     * ELF definitions for the RISC-V architecture.
     */
    
    #include <sys/elf32.h>  /* Definitions common to all 32 bit architectures. */
    #include <sys/elf64.h>  /* Definitions common to all 64 bit architectures. */
    
    #define __ELF_WORD_SIZE 64      /* Used by <sys/elf_generic.h> */
    #include <sys/elf_generic.h>
    
    /*
     * Auxiliary vector entries for passing information to the interpreter.
     */
    
    typedef struct {        /* Auxiliary vector entry on initial stack */
            int     a_type;                 /* Entry type. */
            union {
                    int     a_val;          /* Integer value. */
            } a_un;
    } Elf32_Auxinfo;
    
    typedef struct {        /* Auxiliary vector entry on initial stack */
            long    a_type;                 /* Entry type. */
            union {
                    long    a_val;          /* Integer value. */
                    void    *a_ptr;         /* Address. */
                    void    (*a_fcn)(void); /* Function pointer (not used). */
            } a_un;
    } Elf64_Auxinfo;
    
    __ElfType(Auxinfo);
    
    #define ELF_ARCH        EM_RISCV
    
    #define ELF_MACHINE_OK(x) ((x) == (ELF_ARCH))
    
    /* Define "machine" characteristics */
    #define ELF_TARG_CLASS  ELFCLASS64
    #define ELF_TARG_DATA   ELFDATA2LSB
    #define ELF_TARG_MACH   EM_RISCV
    #define ELF_TARG_VER    1
    
    /* TODO: set correct value */
    #define ET_DYN_LOAD_ADDR 0x100000
    
    /* Flags passed in AT_HWCAP */
    #define HWCAP_ISA_BIT(c)        (1 << ((c) - 'a'))
    #define HWCAP_ISA_I             HWCAP_ISA_BIT('i')
    #define HWCAP_ISA_M             HWCAP_ISA_BIT('m')
    #define HWCAP_ISA_A             HWCAP_ISA_BIT('a')
    #define HWCAP_ISA_F             HWCAP_ISA_BIT('f')
    #define HWCAP_ISA_D             HWCAP_ISA_BIT('d')
    #define HWCAP_ISA_C             HWCAP_ISA_BIT('c')
    #define HWCAP_ISA_G             \
        (HWCAP_ISA_I | HWCAP_ISA_M | HWCAP_ISA_A | HWCAP_ISA_F | HWCAP_ISA_D)
    
    #endif /* !_MACHINE_ELF_H_ */

Cache object: 3d6fe56b89470fcfae5d607ec709a627