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-rw-r--r--sys/compat/freebsd32/freebsd32_util.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/sys/compat/freebsd32/freebsd32_util.h b/sys/compat/freebsd32/freebsd32_util.h
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+++ 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_ */