1 /* $NetBSD: linux_exec.h,v 1.25 2021/11/26 08:56:28 ryo 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 #define LINUX_GO_RT0_SIGNATURE 1 61 /* 62 * LINUX_ATEXIT_SIGNATURE enable the atexit_signature test. See 63 * sys/compat/linux/common/linux_exec_elf32.c:linux_atexit_signature() 64 */ 65 #define LINUX_ATEXIT_SIGNATURE 1 66 67 /* 68 * LINUX_SHIFT enable the 16 bytes shift for arguments and ELF auxiliary 69 * table. This is needed on the PowerPC 70 */ 71 #define LINUX_SHIFT 0x0000000FUL 72 73 /* 74 * Entries in the ELF auxiliary table. This is counted from 75 * sys/compat/linux/arc/powerpc/linux_exec_powerpc.c 76 */ 77 #define LINUX_ELF_AUX_ENTRIES 14 78 79 /* 80 * Size of the auxiliary ELF table. On the PowerPC we need 16 extra bytes 81 * in order to force an alignment on a 16 bytes boundary (this is expected 82 * by PowerPC GNU ld.so). 83 */ 84 #define LINUX_ELF_AUX_ARGSIZ \ 85 (LINUX_ELF_AUX_ENTRIES * sizeof(Aux32Info) + LINUX_RANDOM_BYTES + 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 */ 93