sys/compat/linux/arch/powerpc/linux_exec.h

   1 /*      $NetBSD: linux_exec.h,v 1.20 2005/12/11 12:20:16 christos Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1998, 2001 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 _POWERPC_LINUX_EXEC_H
  33 #define _POWERPC_LINUX_EXEC_H
  34
  35 #include <sys/exec_aout.h>
  36 #include <sys/exec_elf.h>
  37 #include <sys/types.h>
  38
  39 /*
  40  * From Linux's include/asm-ppc/elf.h
  41  */
  42 #define LINUX_ELF_HWCAP (0)
  43
  44 /*
  45  * From Linux's include/asm-ppc/param.h
  46  */
  47 # define LINUX_CLOCKS_PER_SEC 100       /* frequency at which times() counts */
  48
  49 /*
  50  * Linux a.out format parameters
  51  */
  52 #define LINUX_M_POWERPC         MID_POWERPC
  53 #define LINUX_MID_MACHINE       LINUX_M_POWERPC
  54
  55 /*
  56  * Linux Elf32 format parameters
  57  */
  58
  59 #define LINUX_GCC_SIGNATURE 1
  60 /*
  61  * LINUX_ATEXIT_SIGNATURE enable the atexit_signature test. See
  62  * sys/compat/linux/common/linux_exec_elf32.c:linux_atexit_signature()
  63  */
  64 #define LINUX_ATEXIT_SIGNATURE  1
  65
  66 /*
  67  * LINUX_SHIFT enable the 16 bytes shift for arguments and ELF auxiliary
  68  * table. This is needed on the PowerPC
  69  */
  70 #define LINUX_SHIFT 0x0000000FUL
  71
  72 /*
  73  * Entries in the ELF auxiliary table. This is counted from
  74  * sys/compat/linux/arc/powerpc/linux_exec_powerpc.c
  75  */
  76 #define LINUX_ELF_AUX_ENTRIES 14
  77
  78 /*
  79  * Size of the auxiliary ELF table. On the PowerPC we need 16 extra bytes
  80  * in order to force an alignement on a 16 bytes boundary (this is expected
  81  * by PowerPC GNU ld.so).
  82  */
  83 #define LINUX_ELF_AUX_ARGSIZ \
  84     ((howmany(LINUX_ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof(Elf32_Addr))) \
  85     + 16)
  86
  87 /* we have special powerpc ELF copyargs */
  88 #define LINUX_MACHDEP_ELF_COPYARGS
  89
  90 #define linux_exec_setup_stack  exec_setup_stack
  91
  92 #endif /* !_POWERPC_LINUX_EXEC_H */