The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/compat/irix/irix_exec.h

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    1 /*      $NetBSD: irix_exec.h,v 1.25 2008/04/28 20:23:41 martin Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 2001-2002 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Emmanuel Dreyfus.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 #ifndef _IRIX_EXEC_H_
   33 #define _IRIX_EXEC_H_
   34 
   35 #include <sys/types.h>
   36 #include <sys/exec.h>
   37 #include <sys/signal.h>
   38 #include <sys/queue.h>
   39 #include <sys/rwlock.h>
   40 #include <sys/exec_elf.h>
   41 
   42 #include <machine/vmparam.h>
   43 
   44 #include <compat/svr4/svr4_types.h>
   45 #include <compat/svr4/svr4_signal.h>
   46 
   47 /* IRIX specific per-process data, zero'ed on allocation */
   48 struct irix_emuldata {
   49 #define ied_startcopy ied_sigtramp
   50         void *ied_sigtramp[SVR4_NSIG];  /* Address of signal trampoline */
   51 #define ied_endcopy ied_termchild
   52 
   53         int ied_termchild;      /* want SIGHUP on parent's exit */
   54         int ied_procblk_count;  /* semaphore for blockproc */
   55                                 /* share group proc list head and lock */
   56         struct irix_share_group *ied_share_group;
   57                                 /* share group proc list itself */
   58         LIST_ENTRY(irix_emuldata) ied_sglist;
   59         struct proc *ied_p;     /* points back to struct proc */
   60         int ied_shareaddr;      /* share VM with the group */
   61         LIST_HEAD(ied_shared_regions, irix_shared_regions_rec)
   62             ied_shared_regions; /* list of (un)shared memory regions */
   63 };
   64 
   65 /* e_flags used by IRIX for ABI selection */
   66 #define IRIX_EF_IRIX_ABI64      0x00000010
   67 #define IRIX_EF_IRIX_ABIN32     0x00000020
   68 #define IRIX_EF_IRIX_ABIO32     0x00000000
   69 #define IRIX_EF_IRIX_ABI_MASK   0x00000030
   70 
   71 #define IRIX_ELF_AUX_ENTRIES 7
   72 
   73 #define irix_check_exec(p)      ((p)->p_emul == &emul_irix)
   74 
   75 #ifdef EXEC_ELF32
   76 #define IRIX_AUX_ARGSIZ howmany(IRIX_ELF_AUX_ENTRIES * \
   77     sizeof(Aux32Info), sizeof (Elf32_Addr))
   78 
   79 int irix_elf32_copyargs(struct lwp *, struct exec_package *,
   80     struct ps_strings *, char **, void *);
   81 
   82 int irix_elf32_probe_o32(struct lwp *, struct exec_package *, void *,
   83     char *, vaddr_t *);
   84 
   85 int irix_elf32_probe_n32(struct lwp *, struct exec_package *, void *,
   86     char *, vaddr_t *);
   87 #endif
   88 
   89 #ifdef EXEC_ELF64
   90 /* #define IRIX_AUX_ARGSIZ howmany(IRIX_ELF_AUX_ENTRIES * \
   91     sizeof(Aux64Info), sizeof (Elf64_Addr))  */
   92 
   93 int irix_elf64_copyargs(struct lwp *, struct exec_package *,
   94     struct ps_strings *, char **, void *);
   95 
   96 int irix_elf64_probe(struct lwp *, struct exec_package *, void *,
   97     char *, vaddr_t *);
   98 #endif
   99 
  100 void irix_n32_setregs(struct lwp *, struct exec_package *, u_long);
  101 
  102 extern const struct emul emul_irix;
  103 
  104 #endif /* !_IRIX_EXEC_H_ */

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