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thunk.h revision 1.32 
      1 /* $NetBSD: thunk.h,v 1.32 2011/09/09 20:04:43 reinoud Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _ARCH_USERMODE_INCLUDE_THUNK_H
     30 #define _ARCH_USERMODE_INCLUDE_THUNK_H
     31 
     32 #include <sys/types.h>
     33 #include <sys/time.h>
     34 #include <sys/stat.h>
     35 #include <sys/fcntl.h>
     36 #include <sys/ucontext.h>
     37 #include <sys/signal.h>
     38 
     39 struct thunk_timeval {
     40 	int64_t tv_sec;
     41 	int32_t tv_usec;
     42 };
     43 
     44 struct thunk_itimerval {
     45 	struct thunk_timeval it_interval;
     46 	struct thunk_timeval it_value;
     47 };
     48 
     49 struct thunk_termios {
     50 	uint32_t c_iflag;
     51 	uint32_t c_oflag;
     52 	uint32_t c_cflag;
     53 	uint32_t c_lflag;
     54 	uint8_t c_cc[20];
     55 	int32_t c_ispeed;
     56 	int32_t c_ospeed;
     57 };
     58 
     59 #define THUNK_MAP_ANON		0x0001
     60 #define THUNK_MAP_FIXED		0x0002
     61 #define THUNK_MAP_FILE		0x0004
     62 #define THUNK_MAP_SHARED	0x0010
     63 #define THUNK_MAP_PRIVATE	0x0020
     64 
     65 #define THUNK_PROT_NONE		0x00
     66 #define THUNK_PROT_READ		0x01
     67 #define THUNK_PROT_WRITE	0x02
     68 #define THUNK_PROT_EXEC		0x04
     69 
     70 struct aiocb;
     71 
     72 int	thunk_setitimer(int, const struct thunk_itimerval *, struct thunk_itimerval *);
     73 int	thunk_gettimeofday(struct thunk_timeval *, void *);
     74 unsigned int thunk_getcounter(void);
     75 long	thunk_clock_getres_monotonic(void);
     76 int	thunk_usleep(useconds_t);
     77 
     78 void	thunk_exit(int);
     79 void	thunk_abort(void);
     80 
     81 int	thunk_geterrno(void);
     82 void	thunk_seterrno(int err);
     83 
     84 int	thunk_getcontext(ucontext_t *);
     85 int	thunk_setcontext(const ucontext_t *);
     86 void	thunk_makecontext(ucontext_t *ucp, void (*func)(void),
     87 		int nargs, void *arg1, void *arg2, void *arg3);
     88 int	thunk_swapcontext(ucontext_t *, ucontext_t *);
     89 
     90 int	thunk_tcgetattr(int, struct thunk_termios *);
     91 int	thunk_tcsetattr(int, int, const struct thunk_termios *);
     92 
     93 int	thunk_getchar(void);
     94 void	thunk_putchar(int);
     95 
     96 int	thunk_execv(const char *, char * const []);
     97 
     98 int	thunk_open(const char *, int, mode_t);
     99 int	thunk_fstat_getsize(int, ssize_t *, ssize_t *);
    100 ssize_t	thunk_pread(int, void *, size_t, off_t);
    101 ssize_t	thunk_pwrite(int, const void *, size_t, off_t);
    102 int	thunk_fsync(int);
    103 int	thunk_mkstemp(char *);
    104 int	thunk_unlink(const char *);
    105 
    106 int	thunk_sigaction(int, const struct sigaction *, struct sigaction *);
    107 int	thunk_sigaltstack(const stack_t *, stack_t *);
    108 void	thunk_signal(int, void (*)(int));
    109 int	thunk_sigblock(int);
    110 int	thunk_sigunblock(int);
    111 int	thunk_sigemptyset(sigset_t *sa_mask);
    112 void	thunk_sigaddset(sigset_t *sa_mask, int sig);
    113 int	thunk_atexit(void (*function)(void));
    114 
    115 int	thunk_aio_read(struct aiocb *);
    116 int	thunk_aio_write(struct aiocb *);
    117 int	thunk_aio_error(const struct aiocb *);
    118 int	thunk_aio_return(struct aiocb *);
    119 
    120 void *	thunk_malloc(size_t len);
    121 void 	thunk_free(void *addr);
    122 void *	thunk_sbrk(intptr_t len);
    123 void *	thunk_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t offset);
    124 int	thunk_munmap(void *addr, size_t len);
    125 int	thunk_mprotect(void *addr, size_t len, int prot);
    126 int	thunk_posix_memalign(void **, size_t, size_t);
    127 
    128 char *	thunk_getenv(const char *);
    129 
    130 int	thunk_sdl_init(unsigned int, unsigned int, unsigned short);
    131 void *	thunk_sdl_getfb(size_t);
    132 int	thunk_sdl_getchar(void);
    133 
    134 #endif /* !_ARCH_USERMODE_INCLUDE_THUNK_H */
    135