1 /* $NetBSD: netbsd32_exec.h,v 1.13 2002/10/23 13:16:42 scw Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _NETBSD32_EXEC_H_ 32 #define _NETBSD32_EXEC_H_ 33 34 #include <compat/netbsd32/netbsd32.h> 35 36 /* from <sys/exec_aout.h> */ 37 /* 38 * Header prepended to each a.out file. 39 * only manipulate the a_midmag field via the 40 * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros below. 41 */ 42 struct netbsd32_exec { 43 netbsd32_u_long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */ 44 netbsd32_u_long a_text; /* text segment size */ 45 netbsd32_u_long a_data; /* initialized data size */ 46 netbsd32_u_long a_bss; /* uninitialized data size */ 47 netbsd32_u_long a_syms; /* symbol table size */ 48 netbsd32_u_long a_entry; /* entry point */ 49 netbsd32_u_long a_trsize; /* text relocation size */ 50 netbsd32_u_long a_drsize; /* data relocation size */ 51 }; 52 53 extern const struct emul emul_netbsd32; 54 55 #ifdef EXEC_AOUT 56 int netbsd32_exec_aout_prep_zmagic __P((struct proc *, struct exec_package *)); 57 int netbsd32_exec_aout_prep_nmagic __P((struct proc *, struct exec_package *)); 58 int netbsd32_exec_aout_prep_omagic __P((struct proc *, struct exec_package *)); 59 int exec_netbsd32_makecmds __P((struct proc *, struct exec_package *)); 60 #endif 61 #ifdef EXEC_ELF32 62 int netbsd32_elf32_probe __P((struct proc *, struct exec_package *, void *, 63 char *, vaddr_t *)); 64 int netbsd32_elf32_probe_noteless __P((struct proc *, struct exec_package *, 65 void *, char *, vaddr_t *)); 66 int netbsd32_elf32_copyargs __P((struct proc *, struct exec_package *, 67 struct ps_strings *, char **, void *)); 68 #endif /* EXEC_ELF32 */ 69 70 static __inline int netbsd32_copyargs __P((struct proc *, struct exec_package *, 71 struct ps_strings *, char **, void *)); 72 73 /* 74 * We need to copy out all pointers as 32-bit values. 75 */ 76 static __inline int 77 netbsd32_copyargs(p, pack, arginfo, stackp, argp) 78 struct proc *p; 79 struct exec_package *pack; 80 struct ps_strings *arginfo; 81 char **stackp; 82 void *argp; 83 { 84 u_int32_t *cpp = (u_int32_t *)*stackp; 85 u_int32_t dp; 86 u_int32_t nullp = 0; 87 char *sp; 88 size_t len; 89 int argc = arginfo->ps_nargvstr; 90 int envc = arginfo->ps_nenvstr; 91 int error; 92 93 if ((error = copyout(&argc, cpp++, sizeof(argc))) != 0) 94 return error; 95 96 dp = (u_long) (cpp + argc + envc + 2 + pack->ep_esch->es_arglen); 97 sp = argp; 98 99 /* XXX don't copy them out, remap them! */ 100 /* remember location of argv for later */ 101 arginfo->ps_argvstr = (char **)(u_long)cpp; 102 103 for (; --argc >= 0; sp += len, dp += len) { 104 if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0 || 105 (error = copyoutstr(sp, (char *)NETBSD32PTR64(dp), 106 ARG_MAX, &len)) != 0) 107 return error; 108 } 109 if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0) 110 return error; 111 112 /* remember location of envp for later */ 113 arginfo->ps_envstr = (char **)(u_long)cpp; 114 115 for (; --envc >= 0; sp += len, dp += len) { 116 if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0 || 117 (error = copyoutstr(sp, (char *)NETBSD32PTR64(dp), 118 ARG_MAX, &len)) != 0) 119 return error; 120 } 121 if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0) 122 return error; 123 124 *stackp = (char *)cpp; 125 return 0; 126 } 127 128 #endif /* !_NETBSD32_EXEC_H_ */ 129