| 1 | /* $NetBSD: linux32_exec.c,v 1.21 2012/02/19 21:06:38 rmind Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1994-2007 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Christos Zoulas, Frank van der Linden, Eric Haszlakiewicz, |
| 9 | * Thor Lancelot Simon, and Emmanuel Dreyfus. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/cdefs.h> |
| 34 | __KERNEL_RCSID(0, "$NetBSD: linux32_exec.c,v 1.21 2012/02/19 21:06:38 rmind Exp $" ); |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/kernel.h> |
| 39 | #include <sys/proc.h> |
| 40 | #include <sys/exec.h> |
| 41 | #include <sys/exec_elf.h> |
| 42 | |
| 43 | #include <sys/mman.h> |
| 44 | #include <sys/syscallargs.h> |
| 45 | |
| 46 | #include <compat/linux/common/linux_types.h> |
| 47 | #include <compat/linux/common/linux_exec.h> |
| 48 | |
| 49 | #include <compat/linux32/common/linux32_exec.h> |
| 50 | #include <compat/linux32/common/linux32_types.h> |
| 51 | #include <compat/linux32/common/linux32_signal.h> |
| 52 | #include <compat/linux32/common/linux32_machdep.h> |
| 53 | |
| 54 | #include <compat/linux32/linux32_syscallargs.h> |
| 55 | #include <compat/linux32/linux32_syscall.h> |
| 56 | |
| 57 | extern struct sysent linux32_sysent[]; |
| 58 | extern const char * const linux32_syscallnames[]; |
| 59 | extern char linux32_sigcode[], linux32_esigcode[]; |
| 60 | |
| 61 | /* |
| 62 | * Emulation switch. |
| 63 | */ |
| 64 | |
| 65 | struct uvm_object *emul_linux32_object; |
| 66 | |
| 67 | struct emul emul_linux32 = { |
| 68 | .e_name = "linux32" , |
| 69 | .e_path = "/emul/linux32" , |
| 70 | #ifndef __HAVE_MINIMAL_EMUL |
| 71 | .e_flags = 0, |
| 72 | .e_errno = NULL, |
| 73 | .e_nosys = LINUX32_SYS_syscall, |
| 74 | .e_nsysent = LINUX32_SYS_NSYSENT, |
| 75 | #endif |
| 76 | .e_sysent = linux32_sysent, |
| 77 | .e_syscallnames = linux32_syscallnames, |
| 78 | .e_sendsig = linux32_sendsig, |
| 79 | .e_trapsignal = linux_trapsignal, |
| 80 | .e_tracesig = NULL, |
| 81 | .e_sigcode = linux32_sigcode, |
| 82 | .e_esigcode = linux32_esigcode, |
| 83 | .e_sigobject = &emul_linux32_object, |
| 84 | .e_setregs = linux32_setregs, |
| 85 | .e_proc_exec = linux_e_proc_exec, |
| 86 | .e_proc_fork = linux_e_proc_fork, |
| 87 | .e_proc_exit = linux_e_proc_exit, |
| 88 | .e_lwp_fork = linux_e_lwp_fork, |
| 89 | .e_lwp_exit = linux_e_lwp_exit, |
| 90 | .e_syscall_intern = linux32_syscall_intern, |
| 91 | .e_sysctlovly = NULL, |
| 92 | .e_fault = NULL, |
| 93 | .e_vm_default_addr = netbsd32_vm_default_addr, |
| 94 | .e_usertrap = NULL, |
| 95 | .e_ucsize = 0, |
| 96 | .e_startlwp = NULL |
| 97 | }; |
| 98 | |