diff options
Diffstat (limited to 'sys/compat/linux/linux_util.h')
| -rw-r--r-- | sys/compat/linux/linux_util.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_util.h b/sys/compat/linux/linux_util.h new file mode 100644 index 0000000..6be0392 --- /dev/null +++ b/sys/compat/linux/linux_util.h @@ -0,0 +1,141 @@ +/*- + * Copyright (c) 1994 Christos Zoulas + * Copyright (c) 1995 Frank van der Linden + * Copyright (c) 1995 Scott Bartram + * 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. + * 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 without 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. + * + * from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp + * from: linux_util.h,v 1.2 1995/03/05 23:23:50 fvdl Exp + * $FreeBSD$ + */ + +#ifndef _LINUX_UTIL_H_ +#define _LINUX_UTIL_H_ + +#include <vm/vm.h> +#include <vm/vm_param.h> +#include <vm/pmap.h> +#include <machine/vmparam.h> +#include <sys/exec.h> +#include <sys/sysent.h> +#include <sys/syslog.h> +#include <sys/cdefs.h> +#include <sys/uio.h> + +extern const char linux_emul_path[]; + +int linux_emul_convpath(struct thread *, const char *, enum uio_seg, char **, int, int); + +#define LCONVPATH_AT(td, upath, pathp, i, dfd) \ + do { \ + int _error; \ + \ + _error = linux_emul_convpath(td, upath, UIO_USERSPACE, \ + pathp, i, dfd); \ + if (*(pathp) == NULL) \ + return (_error); \ + } while (0) + +#define LCONVPATH(td, upath, pathp, i) \ + LCONVPATH_AT(td, upath, pathp, i, AT_FDCWD) + +#define LCONVPATHEXIST(td, upath, pathp) LCONVPATH(td, upath, pathp, 0) +#define LCONVPATHEXIST_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 0, dfd) +#define LCONVPATHCREAT(td, upath, pathp) LCONVPATH(td, upath, pathp, 1) +#define LCONVPATHCREAT_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 1, dfd) +#define LFREEPATH(path) free(path, M_TEMP) + +#define DUMMY(s) \ +LIN_SDT_PROBE_DEFINE0(dummy, s, entry); \ +LIN_SDT_PROBE_DEFINE0(dummy, s, not_implemented); \ +LIN_SDT_PROBE_DEFINE1(dummy, s, return, "int"); \ +int \ +linux_ ## s(struct thread *td, struct linux_ ## s ## _args *args) \ +{ \ + static pid_t pid; \ + \ + LIN_SDT_PROBE0(dummy, s, entry); \ + \ + if (pid != td->td_proc->p_pid) { \ + linux_msg(td, "syscall %s not implemented", #s); \ + LIN_SDT_PROBE0(dummy, s, not_implemented); \ + pid = td->td_proc->p_pid; \ + }; \ + \ + LIN_SDT_PROBE1(dummy, s, return, ENOSYS); \ + return (ENOSYS); \ +} \ +struct __hack + +void linux_msg(const struct thread *td, const char *fmt, ...) + __printflike(2, 3); + +struct linux_device_handler { + char *bsd_driver_name; + char *linux_driver_name; + char *bsd_device_name; + char *linux_device_name; + int linux_major; + int linux_minor; + int linux_char_device; +}; + +int linux_device_register_handler(struct linux_device_handler *h); +int linux_device_unregister_handler(struct linux_device_handler *h); +char *linux_driver_get_name_dev(device_t dev); +int linux_driver_get_major_minor(const char *node, int *major, int *minor); +char *linux_get_char_devices(void); +void linux_free_get_char_devices(char *string); + +#if defined(KTR) + +#define KTR_LINUX KTR_SUBSYS +#define LINUX_CTRFMT(nm, fmt) #nm"("fmt")" + +#define LINUX_CTR6(f, m, p1, p2, p3, p4, p5, p6) do { \ + if (ldebug(f)) \ + CTR6(KTR_LINUX, LINUX_CTRFMT(f, m), \ + p1, p2, p3, p4, p5, p6); \ +} while (0) + +#define LINUX_CTR(f) LINUX_CTR6(f, "", 0, 0, 0, 0, 0, 0) +#define LINUX_CTR0(f, m) LINUX_CTR6(f, m, 0, 0, 0, 0, 0, 0) +#define LINUX_CTR1(f, m, p1) LINUX_CTR6(f, m, p1, 0, 0, 0, 0, 0) +#define LINUX_CTR2(f, m, p1, p2) LINUX_CTR6(f, m, p1, p2, 0, 0, 0, 0) +#define LINUX_CTR3(f, m, p1, p2, p3) LINUX_CTR6(f, m, p1, p2, p3, 0, 0, 0) +#define LINUX_CTR4(f, m, p1, p2, p3, p4) LINUX_CTR6(f, m, p1, p2, p3, p4, 0, 0) +#define LINUX_CTR5(f, m, p1, p2, p3, p4, p5) LINUX_CTR6(f, m, p1, p2, p3, p4, p5, 0) +#else +#define LINUX_CTR(f) +#define LINUX_CTR0(f, m) +#define LINUX_CTR1(f, m, p1) +#define LINUX_CTR2(f, m, p1, p2) +#define LINUX_CTR3(f, m, p1, p2, p3) +#define LINUX_CTR4(f, m, p1, p2, p3, p4) +#define LINUX_CTR5(f, m, p1, p2, p3, p4, p5) +#define LINUX_CTR6(f, m, p1, p2, p3, p4, p5, p6) +#endif + +#endif /* !_LINUX_UTIL_H_ */ |
