diff options
Diffstat (limited to 'sys/compat/freebsd32/freebsd32_util.h')
-rw-r--r-- | sys/compat/freebsd32/freebsd32_util.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sys/compat/freebsd32/freebsd32_util.h b/sys/compat/freebsd32/freebsd32_util.h new file mode 100644 index 000000000000..b126fbde0857 --- /dev/null +++ b/sys/compat/freebsd32/freebsd32_util.h @@ -0,0 +1,127 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1998-1999 Andrew Gallatin + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer + * in this position and unchanged. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _COMPAT_FREEBSD32_FREEBSD32_UTIL_H_ +#define _COMPAT_FREEBSD32_FREEBSD32_UTIL_H_ + +#include <sys/cdefs.h> +#include <sys/exec.h> +#include <sys/sysent.h> +#include <sys/uio.h> + +#include <vm/vm.h> +#include <vm/vm_param.h> +#include <vm/pmap.h> + +struct freebsd32_ps_strings { + u_int32_t ps_argvstr; /* first of 0 or more argument strings */ + int ps_nargvstr; /* the number of argument strings */ + u_int32_t ps_envstr; /* first of 0 or more environment strings */ + int ps_nenvstr; /* the number of environment strings */ +}; + +#if defined(__amd64__) +#include <compat/ia32/ia32_util.h> +#endif + +#define FREEBSD32_PS_STRINGS \ + (FREEBSD32_USRSTACK - sizeof(struct freebsd32_ps_strings)) + +extern struct sysent freebsd32_sysent[]; + +#define SYSCALL32_MODULE(name, offset, new_sysent, evh, arg) \ +static struct syscall_module_data name##_syscall32_mod = { \ + evh, arg, offset, new_sysent, { 0, NULL } \ +}; \ + \ +static moduledata_t name##32_mod = { \ + "sys32/" #name, \ + syscall32_module_handler, \ + &name##_syscall32_mod \ +}; \ +DECLARE_MODULE(name##32, name##32_mod, SI_SUB_SYSCALLS, SI_ORDER_MIDDLE) + +#define SYSCALL32_MODULE_HELPER(syscallname) \ +static int syscallname##_syscall32 = FREEBSD32_SYS_##syscallname; \ +static struct sysent syscallname##_sysent32 = { \ + (sizeof(struct syscallname ## _args ) \ + / sizeof(register_t)), \ + (sy_call_t *)& syscallname \ +}; \ +SYSCALL32_MODULE(syscallname, \ + & syscallname##_syscall32, & syscallname##_sysent32,\ + NULL, NULL); + +#define SYSCALL32_INIT_HELPER_F(syscallname, flags) { \ + .new_sysent = { \ + .sy_narg = (sizeof(struct syscallname ## _args ) \ + / sizeof(register_t)), \ + .sy_call = (sy_call_t *)& syscallname, \ + .sy_flags = (flags) \ + }, \ + .syscall_no = FREEBSD32_SYS_##syscallname \ +} + +#define SYSCALL32_INIT_HELPER_COMPAT_F(syscallname, flags) { \ + .new_sysent = { \ + .sy_narg = (sizeof(struct syscallname ## _args ) \ + / sizeof(register_t)), \ + .sy_call = (sy_call_t *)& sys_ ## syscallname, \ + .sy_flags = (flags) \ + }, \ + .syscall_no = FREEBSD32_SYS_##syscallname \ +} + +#define SYSCALL32_INIT_HELPER(syscallname) \ + SYSCALL32_INIT_HELPER_F(syscallname, 0) +#define SYSCALL32_INIT_HELPER_COMPAT(syscallname) \ + SYSCALL32_INIT_HELPER_COMPAT_F(syscallname, 0) + +int syscall32_module_handler(struct module *mod, int what, void *arg); +int syscall32_helper_register(struct syscall_helper_data *sd, int flags); +int syscall32_helper_unregister(struct syscall_helper_data *sd); + +struct iovec32; +struct rusage32; +int freebsd32_copyout_strings(struct image_params *imgp, + uintptr_t *stack_base); +int freebsd32_copyiniov(struct iovec32 *iovp, u_int iovcnt, + struct iovec **iov, int error); +int freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, + struct uio **uiop); +void freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32); + +struct image_args; +int freebsd32_exec_copyin_args(struct image_args *args, const char *fname, + enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv); + +#endif /* !_COMPAT_FREEBSD32_FREEBSD32_UTIL_H_ */ |