| 1 | /* $NetBSD: netbsd32_exec.h,v 1.32 2014/10/24 21:07:55 christos 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 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _NETBSD32_EXEC_H_ |
| 30 | #define _NETBSD32_EXEC_H_ |
| 31 | |
| 32 | #include <compat/netbsd32/netbsd32.h> |
| 33 | |
| 34 | #ifdef EXEC_AOUT |
| 35 | #include <sys/exec_aout.h> |
| 36 | #endif |
| 37 | |
| 38 | /* from <sys/exec_aout.h> */ |
| 39 | /* |
| 40 | * Header prepended to each a.out file. |
| 41 | * only manipulate the a_midmag field via the |
| 42 | * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros below. |
| 43 | */ |
| 44 | struct netbsd32_exec { |
| 45 | netbsd32_u_long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */ |
| 46 | netbsd32_u_long a_text; /* text segment size */ |
| 47 | netbsd32_u_long a_data; /* initialized data size */ |
| 48 | netbsd32_u_long a_bss; /* uninitialized data size */ |
| 49 | netbsd32_u_long a_syms; /* symbol table size */ |
| 50 | netbsd32_u_long a_entry; /* entry point */ |
| 51 | netbsd32_u_long a_trsize; /* text relocation size */ |
| 52 | netbsd32_u_long a_drsize; /* data relocation size */ |
| 53 | }; |
| 54 | |
| 55 | extern struct emul emul_netbsd32; |
| 56 | |
| 57 | #ifdef EXEC_AOUT |
| 58 | int netbsd32_exec_aout_prep_zmagic(struct lwp *, struct exec_package *); |
| 59 | int netbsd32_exec_aout_prep_nmagic(struct lwp *, struct exec_package *); |
| 60 | int netbsd32_exec_aout_prep_omagic(struct lwp *, struct exec_package *); |
| 61 | int exec_netbsd32_makecmds(struct lwp *, struct exec_package *); |
| 62 | #endif |
| 63 | #ifdef EXEC_ELF32 |
| 64 | int netbsd32_elf32_probe(struct lwp *, struct exec_package *, void *, |
| 65 | char *, vaddr_t *); |
| 66 | int netbsd32_elf32_probe_noteless(struct lwp *, struct exec_package *, |
| 67 | void *, char *, vaddr_t *); |
| 68 | int netbsd32_elf32_copyargs(struct lwp *, struct exec_package *, |
| 69 | struct ps_strings *, char **, void *); |
| 70 | #endif /* EXEC_ELF32 */ |
| 71 | |
| 72 | static __inline int netbsd32_copyargs(struct lwp *, struct exec_package *, |
| 73 | struct ps_strings *, char **, void *); |
| 74 | |
| 75 | void netbsd32_setregs (struct lwp *, struct exec_package *, vaddr_t stack); |
| 76 | int netbsd32_sigreturn (struct proc *, void *, register_t *); |
| 77 | void netbsd32_sendsig (const ksiginfo_t *, const sigset_t *); |
| 78 | |
| 79 | extern char netbsd32_esigcode[], netbsd32_sigcode[]; |
| 80 | |
| 81 | /* |
| 82 | * We need to copy out all pointers as 32-bit values. |
| 83 | */ |
| 84 | static __inline int |
| 85 | netbsd32_copyargs(struct lwp *l, struct exec_package *pack, |
| 86 | struct ps_strings *arginfo, char **stackp, void *argp) |
| 87 | { |
| 88 | u_int32_t *cpp = (u_int32_t *)*stackp; |
| 89 | netbsd32_pointer_t dp; |
| 90 | u_int32_t nullp = 0; |
| 91 | char *sp; |
| 92 | size_t len; |
| 93 | int argc = arginfo->ps_nargvstr; |
| 94 | int envc = arginfo->ps_nenvstr; |
| 95 | int error; |
| 96 | |
| 97 | NETBSD32PTR32(dp, cpp + |
| 98 | 1 + /* int argc */ |
| 99 | argc + /* char *argv[] */ |
| 100 | 1 + /* \0 */ |
| 101 | envc + /* char *env[] */ |
| 102 | 1 + /* \0 */ |
| 103 | /* XXX auxinfo multiplied by ptr size? */ |
| 104 | pack->ep_esch->es_arglen); /* auxinfo */ |
| 105 | sp = argp; |
| 106 | |
| 107 | if ((error = copyout(&argc, cpp++, sizeof(argc))) != 0) |
| 108 | return error; |
| 109 | |
| 110 | /* XXX don't copy them out, remap them! */ |
| 111 | /* remember location of argv for later */ |
| 112 | arginfo->ps_argvstr = (char **)(u_long)cpp; |
| 113 | |
| 114 | for (; --argc >= 0; sp += len, NETBSD32PTR32PLUS(dp, len)) { |
| 115 | if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0) |
| 116 | return error; |
| 117 | if ((error = copyoutstr(sp, 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 | /* remember location of envp for later */ |
| 125 | arginfo->ps_envstr = (char **)(u_long)cpp; |
| 126 | |
| 127 | for (; --envc >= 0; sp += len, NETBSD32PTR32PLUS(dp, len)) { |
| 128 | if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0) |
| 129 | return error; |
| 130 | if ((error = copyoutstr(sp, NETBSD32PTR64(dp), |
| 131 | ARG_MAX, &len)) != 0) |
| 132 | return error; |
| 133 | } |
| 134 | if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0) |
| 135 | return error; |
| 136 | |
| 137 | *stackp = (char *)cpp; |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | #endif /* !_NETBSD32_EXEC_H_ */ |
| 142 | |