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8049c6bfb8
the syscalls that are not implemented in Linux kernel itself. Cleanup DUMMY() macros. Reviewed by: dchagin, trasz Approved by: dchagin MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D9804
153 lines
5.3 KiB
C
153 lines
5.3 KiB
C
/*-
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* Copyright (c) 1994 Christos Zoulas
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* Copyright (c) 1995 Frank van der Linden
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* Copyright (c) 1995 Scott Bartram
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp
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* from: linux_util.h,v 1.2 1995/03/05 23:23:50 fvdl Exp
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* $FreeBSD$
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*/
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#ifndef _LINUX_UTIL_H_
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#define _LINUX_UTIL_H_
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#include <sys/exec.h>
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#include <sys/sysent.h>
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#include <sys/syslog.h>
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#include <sys/cdefs.h>
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#include <sys/uio.h>
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MALLOC_DECLARE(M_LINUX);
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MALLOC_DECLARE(M_EPOLL);
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MALLOC_DECLARE(M_FUTEX);
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MALLOC_DECLARE(M_FUTEX_WP);
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extern const char linux_emul_path[];
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int linux_emul_convpath(struct thread *, const char *, enum uio_seg, char **, int, int);
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#define LCONVPATH_AT(td, upath, pathp, i, dfd) \
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do { \
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int _error; \
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\
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_error = linux_emul_convpath(td, upath, UIO_USERSPACE, \
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pathp, i, dfd); \
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if (*(pathp) == NULL) \
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return (_error); \
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} while (0)
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#define LCONVPATH(td, upath, pathp, i) \
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LCONVPATH_AT(td, upath, pathp, i, AT_FDCWD)
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#define LCONVPATHEXIST(td, upath, pathp) LCONVPATH(td, upath, pathp, 0)
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#define LCONVPATHEXIST_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 0, dfd)
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#define LCONVPATHCREAT(td, upath, pathp) LCONVPATH(td, upath, pathp, 1)
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#define LCONVPATHCREAT_AT(td, upath, pathp, dfd) LCONVPATH_AT(td, upath, pathp, 1, dfd)
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#define LFREEPATH(path) free(path, M_TEMP)
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#define DUMMY(s) \
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LIN_SDT_PROBE_DEFINE0(dummy, s, entry); \
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LIN_SDT_PROBE_DEFINE0(dummy, s, not_implemented); \
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LIN_SDT_PROBE_DEFINE1(dummy, s, return, "int"); \
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int \
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linux_ ## s(struct thread *td, struct linux_ ## s ## _args *args) \
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{ \
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static pid_t pid; \
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\
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LIN_SDT_PROBE0(dummy, s, entry); \
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\
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if (pid != td->td_proc->p_pid) { \
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linux_msg(td, "syscall %s not implemented", #s); \
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LIN_SDT_PROBE0(dummy, s, not_implemented); \
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pid = td->td_proc->p_pid; \
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}; \
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\
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LIN_SDT_PROBE1(dummy, s, return, ENOSYS); \
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return (ENOSYS); \
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} \
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struct __hack
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/*
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* This is for the syscalls that are not even yet implemented in Linux.
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*
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* They're marked as UNIMPL in syscall.master so it will
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* have nosys record in linux_sysent[].
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*/
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#define UNIMPLEMENTED(s)
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void linux_msg(const struct thread *td, const char *fmt, ...)
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__printflike(2, 3);
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struct linux_device_handler {
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char *bsd_driver_name;
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char *linux_driver_name;
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char *bsd_device_name;
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char *linux_device_name;
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int linux_major;
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int linux_minor;
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int linux_char_device;
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};
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int linux_device_register_handler(struct linux_device_handler *h);
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int linux_device_unregister_handler(struct linux_device_handler *h);
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char *linux_driver_get_name_dev(device_t dev);
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int linux_driver_get_major_minor(const char *node, int *major, int *minor);
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char *linux_get_char_devices(void);
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void linux_free_get_char_devices(char *string);
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#if defined(KTR)
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#define KTR_LINUX KTR_SUBSYS
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#define LINUX_CTRFMT(nm, fmt) #nm"("fmt")"
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#define LINUX_CTR6(f, m, p1, p2, p3, p4, p5, p6) do { \
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CTR6(KTR_LINUX, LINUX_CTRFMT(f, m), \
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p1, p2, p3, p4, p5, p6); \
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} while (0)
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#define LINUX_CTR(f) LINUX_CTR6(f, "", 0, 0, 0, 0, 0, 0)
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#define LINUX_CTR0(f, m) LINUX_CTR6(f, m, 0, 0, 0, 0, 0, 0)
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#define LINUX_CTR1(f, m, p1) LINUX_CTR6(f, m, p1, 0, 0, 0, 0, 0)
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#define LINUX_CTR2(f, m, p1, p2) LINUX_CTR6(f, m, p1, p2, 0, 0, 0, 0)
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#define LINUX_CTR3(f, m, p1, p2, p3) LINUX_CTR6(f, m, p1, p2, p3, 0, 0, 0)
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#define LINUX_CTR4(f, m, p1, p2, p3, p4) LINUX_CTR6(f, m, p1, p2, p3, p4, 0, 0)
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#define LINUX_CTR5(f, m, p1, p2, p3, p4, p5) LINUX_CTR6(f, m, p1, p2, p3, p4, p5, 0)
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#else
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#define LINUX_CTR(f)
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#define LINUX_CTR0(f, m)
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#define LINUX_CTR1(f, m, p1)
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#define LINUX_CTR2(f, m, p1, p2)
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#define LINUX_CTR3(f, m, p1, p2, p3)
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#define LINUX_CTR4(f, m, p1, p2, p3, p4)
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#define LINUX_CTR5(f, m, p1, p2, p3, p4, p5)
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#define LINUX_CTR6(f, m, p1, p2, p3, p4, p5, p6)
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#endif
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#endif /* !_LINUX_UTIL_H_ */
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