7df6b1ab5d
and associated user-level signal trampoline glue. Without this patch, an SA_SIGINFO style handler can be installed by a linux app, but if the handler accesses its sip argument, it will get a garbage pointer and likely segfault. We currently supply a valid pointer, but its contents are mainly garbage. Filling this in properly is future work. This is the second of 3 commits that will get IBM's JDK 1.3 working with FreeBSD ...
510 lines
12 KiB
C
510 lines
12 KiB
C
/*-
|
|
* Copyright (c) 1994-1996 Søren Schmidt
|
|
* 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 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _I386_LINUX_LINUX_H_
|
|
#define _I386_LINUX_LINUX_H_
|
|
|
|
#include <sys/signal.h> /* for sigval union */
|
|
|
|
#include <i386/linux/linux_syscall.h>
|
|
|
|
#ifdef MALLOC_DECLARE
|
|
MALLOC_DECLARE(M_LINUX);
|
|
#endif
|
|
|
|
/*
|
|
* Miscellaneous
|
|
*/
|
|
#define LINUX_NAME_MAX 255
|
|
#define LINUX_MAX_UTSNAME 65
|
|
|
|
/* Scheduling policies */
|
|
#define LINUX_SCHED_OTHER 0
|
|
#define LINUX_SCHED_FIFO 1
|
|
#define LINUX_SCHED_RR 2
|
|
|
|
/* Resource limits */
|
|
#define LINUX_RLIMIT_CPU 0
|
|
#define LINUX_RLIMIT_FSIZE 1
|
|
#define LINUX_RLIMIT_DATA 2
|
|
#define LINUX_RLIMIT_STACK 3
|
|
#define LINUX_RLIMIT_CORE 4
|
|
#define LINUX_RLIMIT_RSS 5
|
|
#define LINUX_RLIMIT_NPROC 6
|
|
#define LINUX_RLIMIT_NOFILE 7
|
|
#define LINUX_RLIMIT_MEMLOCK 8
|
|
#define LINUX_RLIMIT_AS 9 /* address space limit */
|
|
|
|
#define LINUX_RLIM_NLIMITS 10
|
|
|
|
/* mmap options */
|
|
#define LINUX_MAP_SHARED 0x0001
|
|
#define LINUX_MAP_PRIVATE 0x0002
|
|
#define LINUX_MAP_FIXED 0x0010
|
|
#define LINUX_MAP_ANON 0x0020
|
|
#define LINUX_MAP_GROWSDOWN 0x0100
|
|
|
|
typedef char * linux_caddr_t;
|
|
typedef long linux_clock_t;
|
|
typedef u_short linux_dev_t;
|
|
typedef u_short linux_gid_t;
|
|
typedef u_long linux_ino_t;
|
|
typedef int linux_key_t; /* XXX */
|
|
typedef u_short linux_mode_t;
|
|
typedef u_short linux_nlink_t;
|
|
typedef long linux_off_t;
|
|
typedef int linux_pid_t;
|
|
typedef u_int linux_size_t;
|
|
typedef long linux_time_t;
|
|
typedef u_short linux_uid_t;
|
|
|
|
typedef struct {
|
|
long val[2];
|
|
} linux_fsid_t;
|
|
|
|
struct linux_new_utsname {
|
|
char sysname[LINUX_MAX_UTSNAME];
|
|
char nodename[LINUX_MAX_UTSNAME];
|
|
char release[LINUX_MAX_UTSNAME];
|
|
char version[LINUX_MAX_UTSNAME];
|
|
char machine[LINUX_MAX_UTSNAME];
|
|
char domainname[LINUX_MAX_UTSNAME];
|
|
};
|
|
|
|
/*
|
|
* Signalling
|
|
*/
|
|
#define LINUX_SIGHUP 1
|
|
#define LINUX_SIGINT 2
|
|
#define LINUX_SIGQUIT 3
|
|
#define LINUX_SIGILL 4
|
|
#define LINUX_SIGTRAP 5
|
|
#define LINUX_SIGABRT 6
|
|
#define LINUX_SIGIOT LINUX_SIGABRT
|
|
#define LINUX_SIGBUS 7
|
|
#define LINUX_SIGFPE 8
|
|
#define LINUX_SIGKILL 9
|
|
#define LINUX_SIGUSR1 10
|
|
#define LINUX_SIGSEGV 11
|
|
#define LINUX_SIGUSR2 12
|
|
#define LINUX_SIGPIPE 13
|
|
#define LINUX_SIGALRM 14
|
|
#define LINUX_SIGTERM 15
|
|
#define LINUX_SIGSTKFLT 16
|
|
#define LINUX_SIGCHLD 17
|
|
#define LINUX_SIGCONT 18
|
|
#define LINUX_SIGSTOP 19
|
|
#define LINUX_SIGTSTP 20
|
|
#define LINUX_SIGTTIN 21
|
|
#define LINUX_SIGTTOU 22
|
|
#define LINUX_SIGURG 23
|
|
#define LINUX_SIGXCPU 24
|
|
#define LINUX_SIGXFSZ 25
|
|
#define LINUX_SIGVTALRM 26
|
|
#define LINUX_SIGPROF 27
|
|
#define LINUX_SIGWINCH 28
|
|
#define LINUX_SIGIO 29
|
|
#define LINUX_SIGPOLL LINUX_SIGIO
|
|
#define LINUX_SIGPWR 30
|
|
#define LINUX_SIGUNUSED 31
|
|
|
|
#define LINUX_NSIG 64
|
|
#define LINUX_SIGTBLSZ 31
|
|
|
|
/* sigaction flags */
|
|
#define LINUX_SA_NOCLDSTOP 0x00000001
|
|
#define LINUX_SA_NOCLDWAIT 0x00000002
|
|
#define LINUX_SA_SIGINFO 0x00000004
|
|
#define LINUX_SA_RESTORER 0x04000000
|
|
#define LINUX_SA_ONSTACK 0x08000000
|
|
#define LINUX_SA_RESTART 0x10000000
|
|
#define LINUX_SA_INTERRUPT 0x20000000
|
|
#define LINUX_SA_NOMASK 0x40000000
|
|
#define LINUX_SA_ONESHOT 0x80000000
|
|
|
|
/* sigprocmask actions */
|
|
#define LINUX_SIG_BLOCK 0
|
|
#define LINUX_SIG_UNBLOCK 1
|
|
#define LINUX_SIG_SETMASK 2
|
|
|
|
/* sigset_t macros */
|
|
#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
|
|
#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
|
|
#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
|
|
|
|
/* sigaltstack */
|
|
#define LINUX_MINSIGSTKSZ 2048
|
|
#define LINUX_SS_ONSTACK_BC 0 /* backwards compat SS_ONSTACK */
|
|
#define LINUX_SS_ONSTACK 1
|
|
#define LINUX_SS_DISABLE 2
|
|
|
|
|
|
int linux_to_bsd_sigaltstack(int lsa);
|
|
int bsd_to_linux_sigaltstack(int bsa);
|
|
|
|
|
|
typedef void (*linux_handler_t)(int);
|
|
typedef u_long linux_osigset_t;
|
|
|
|
typedef struct {
|
|
u_int __bits[2];
|
|
} linux_sigset_t;
|
|
|
|
typedef struct {
|
|
linux_handler_t lsa_handler;
|
|
linux_osigset_t lsa_mask;
|
|
u_long lsa_flags;
|
|
void (*lsa_restorer)(void);
|
|
} linux_osigaction_t;
|
|
|
|
typedef struct {
|
|
linux_handler_t lsa_handler;
|
|
u_long lsa_flags;
|
|
void (*lsa_restorer)(void);
|
|
linux_sigset_t lsa_mask;
|
|
} linux_sigaction_t;
|
|
|
|
typedef struct {
|
|
void *ss_sp;
|
|
int ss_flags;
|
|
linux_size_t ss_size;
|
|
} linux_stack_t;
|
|
|
|
/* The Linux sigcontext, pretty much a standard 386 trapframe. */
|
|
struct linux_sigcontext {
|
|
int sc_gs;
|
|
int sc_fs;
|
|
int sc_es;
|
|
int sc_ds;
|
|
int sc_edi;
|
|
int sc_esi;
|
|
int sc_ebp;
|
|
int sc_esp;
|
|
int sc_ebx;
|
|
int sc_edx;
|
|
int sc_ecx;
|
|
int sc_eax;
|
|
int sc_trapno;
|
|
int sc_err;
|
|
int sc_eip;
|
|
int sc_cs;
|
|
int sc_eflags;
|
|
int sc_esp_at_signal;
|
|
int sc_ss;
|
|
int sc_387;
|
|
int sc_mask;
|
|
int sc_cr2;
|
|
};
|
|
|
|
struct linux_ucontext {
|
|
unsigned long uc_flags;
|
|
void *uc_link;
|
|
linux_stack_t uc_stack;
|
|
struct linux_sigcontext uc_mcontext;
|
|
linux_sigset_t uc_sigmask;
|
|
};
|
|
|
|
|
|
#define LINUX_SI_MAX_SIZE 128
|
|
#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(int)) - 3)
|
|
|
|
typedef struct siginfo {
|
|
int lsi_signo;
|
|
int lsi_errno;
|
|
int lsi_code;
|
|
|
|
union {
|
|
int _pad[LINUX_SI_PAD_SIZE];
|
|
struct {
|
|
linux_pid_t _pid;
|
|
linux_uid_t _uid;
|
|
} _kill;
|
|
|
|
struct {
|
|
unsigned int _timer1;
|
|
unsigned int _timer2;
|
|
} _timer;
|
|
|
|
struct {
|
|
linux_pid_t _pid; /* sender's pid */
|
|
linux_uid_t _uid; /* sender's uid */
|
|
union sigval _sigval;
|
|
} _rt;
|
|
|
|
struct {
|
|
linux_pid_t _pid; /* which child */
|
|
linux_uid_t _uid; /* sender's uid */
|
|
int _status; /* exit code */
|
|
linux_clock_t _utime;
|
|
linux_clock_t _stime;
|
|
} _sigchld;
|
|
|
|
struct {
|
|
void *_addr; /* faulting insn/memory ref. */
|
|
} _sigfault;
|
|
|
|
struct {
|
|
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
|
|
int _fd;
|
|
} _sigpoll;
|
|
} _sifields;
|
|
} linux_siginfo_t;
|
|
|
|
#define lsi_pid _sifields._kill._pid
|
|
#define lsi_uid _sifields._kill._uid
|
|
#define lsi_status _sifields._sigchld._status
|
|
#define lsi_utime _sifields._sigchld._utime
|
|
#define lsi_stime _sifields._sigchld._stime
|
|
#define lsi_value _sifields._rt._sigval
|
|
#define lsi_int _sifields._rt._sigval.sival_int
|
|
#define lsi_ptr _sifields._rt._sigval.sival_ptr
|
|
#define lsi_addr _sifields._sigfault._addr
|
|
#define lsi_band _sifields._sigpoll._band
|
|
#define lsi_fd _sifields._sigpoll._fd
|
|
|
|
|
|
/*
|
|
* We make the stack look like Linux expects it when calling a signal
|
|
* handler, but use the BSD way of calling the handler and sigreturn().
|
|
* This means that we need to pass the pointer to the handler too.
|
|
* It is appended to the frame to not interfere with the rest of it.
|
|
*/
|
|
struct linux_sigframe {
|
|
int sf_sig;
|
|
struct linux_sigcontext sf_sc;
|
|
linux_handler_t sf_handler;
|
|
};
|
|
|
|
struct linux_rt_sigframe {
|
|
int sf_sig;
|
|
linux_siginfo_t *sf_siginfo;;
|
|
struct linux_ucontext *sf_ucontext;
|
|
linux_siginfo_t sf_si;
|
|
struct linux_ucontext sf_sc;
|
|
linux_handler_t sf_handler;
|
|
};
|
|
|
|
|
|
extern int bsd_to_linux_signal[];
|
|
extern int linux_to_bsd_signal[];
|
|
extern struct sysentvec linux_sysvec;
|
|
extern struct sysentvec elf_linux_sysvec;
|
|
void bsd_to_linux_sigset(sigset_t *bss, linux_sigset_t *lss);
|
|
|
|
/*
|
|
* Pluggable ioctl handlers
|
|
*/
|
|
struct linker_set;
|
|
struct linux_ioctl_args;
|
|
struct proc;
|
|
|
|
typedef int linux_ioctl_function_t(struct proc *, struct linux_ioctl_args *);
|
|
|
|
struct linux_ioctl_handler {
|
|
linux_ioctl_function_t *func;
|
|
int low, high;
|
|
};
|
|
|
|
int linux_ioctl_register_handler(struct linux_ioctl_handler *h);
|
|
int linux_ioctl_register_handlers(struct linker_set *s);
|
|
int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
|
|
int linux_ioctl_unregister_handlers(struct linker_set *s);
|
|
|
|
/*
|
|
* open/fcntl flags
|
|
*/
|
|
#define LINUX_O_RDONLY 00
|
|
#define LINUX_O_WRONLY 01
|
|
#define LINUX_O_RDWR 02
|
|
#define LINUX_O_CREAT 0100
|
|
#define LINUX_O_EXCL 0200
|
|
#define LINUX_O_NOCTTY 0400
|
|
#define LINUX_O_TRUNC 01000
|
|
#define LINUX_O_APPEND 02000
|
|
#define LINUX_O_NONBLOCK 04000
|
|
#define LINUX_O_NDELAY LINUX_O_NONBLOCK
|
|
#define LINUX_O_SYNC 010000
|
|
#define LINUX_FASYNC 020000
|
|
|
|
#define LINUX_F_DUPFD 0
|
|
#define LINUX_F_GETFD 1
|
|
#define LINUX_F_SETFD 2
|
|
#define LINUX_F_GETFL 3
|
|
#define LINUX_F_SETFL 4
|
|
#define LINUX_F_GETLK 5
|
|
#define LINUX_F_SETLK 6
|
|
#define LINUX_F_SETLKW 7
|
|
#define LINUX_F_SETOWN 8
|
|
#define LINUX_F_GETOWN 9
|
|
|
|
#define LINUX_F_RDLCK 0
|
|
#define LINUX_F_WRLCK 1
|
|
#define LINUX_F_UNLCK 2
|
|
|
|
/*
|
|
* SystemV IPC defines
|
|
*/
|
|
#define LINUX_SEMOP 1
|
|
#define LINUX_SEMGET 2
|
|
#define LINUX_SEMCTL 3
|
|
#define LINUX_MSGSND 11
|
|
#define LINUX_MSGRCV 12
|
|
#define LINUX_MSGGET 13
|
|
#define LINUX_MSGCTL 14
|
|
#define LINUX_SHMAT 21
|
|
#define LINUX_SHMDT 22
|
|
#define LINUX_SHMGET 23
|
|
#define LINUX_SHMCTL 24
|
|
|
|
#define LINUX_IPC_RMID 0
|
|
#define LINUX_IPC_SET 1
|
|
#define LINUX_IPC_STAT 2
|
|
#define LINUX_IPC_INFO 3
|
|
|
|
#define LINUX_SHM_LOCK 11
|
|
#define LINUX_SHM_UNLOCK 12
|
|
#define LINUX_SHM_STAT 13
|
|
#define LINUX_SHM_INFO 14
|
|
|
|
#define LINUX_SHM_RDONLY 0x1000
|
|
#define LINUX_SHM_RND 0x2000
|
|
#define LINUX_SHM_REMAP 0x4000
|
|
|
|
/* semctl commands */
|
|
#define LINUX_GETPID 11
|
|
#define LINUX_GETVAL 12
|
|
#define LINUX_GETALL 13
|
|
#define LINUX_GETNCNT 14
|
|
#define LINUX_GETZCNT 15
|
|
#define LINUX_SETVAL 16
|
|
#define LINUX_SETALL 17
|
|
|
|
/*
|
|
* Socket defines
|
|
*/
|
|
#define LINUX_SOCKET 1
|
|
#define LINUX_BIND 2
|
|
#define LINUX_CONNECT 3
|
|
#define LINUX_LISTEN 4
|
|
#define LINUX_ACCEPT 5
|
|
#define LINUX_GETSOCKNAME 6
|
|
#define LINUX_GETPEERNAME 7
|
|
#define LINUX_SOCKETPAIR 8
|
|
#define LINUX_SEND 9
|
|
#define LINUX_RECV 10
|
|
#define LINUX_SENDTO 11
|
|
#define LINUX_RECVFROM 12
|
|
#define LINUX_SHUTDOWN 13
|
|
#define LINUX_SETSOCKOPT 14
|
|
#define LINUX_GETSOCKOPT 15
|
|
#define LINUX_SENDMSG 16
|
|
#define LINUX_RECVMSG 17
|
|
|
|
#define LINUX_AF_UNSPEC 0
|
|
#define LINUX_AF_UNIX 1
|
|
#define LINUX_AF_INET 2
|
|
#define LINUX_AF_AX25 3
|
|
#define LINUX_AF_IPX 4
|
|
#define LINUX_AF_APPLETALK 5
|
|
|
|
#define LINUX_SOL_SOCKET 1
|
|
#define LINUX_SOL_IP 0
|
|
#define LINUX_SOL_IPX 256
|
|
#define LINUX_SOL_AX25 257
|
|
#define LINUX_SOL_TCP 6
|
|
#define LINUX_SOL_UDP 17
|
|
|
|
#define LINUX_SO_DEBUG 1
|
|
#define LINUX_SO_REUSEADDR 2
|
|
#define LINUX_SO_TYPE 3
|
|
#define LINUX_SO_ERROR 4
|
|
#define LINUX_SO_DONTROUTE 5
|
|
#define LINUX_SO_BROADCAST 6
|
|
#define LINUX_SO_SNDBUF 7
|
|
#define LINUX_SO_RCVBUF 8
|
|
#define LINUX_SO_KEEPALIVE 9
|
|
#define LINUX_SO_OOBINLINE 10
|
|
#define LINUX_SO_NO_CHECK 11
|
|
#define LINUX_SO_PRIORITY 12
|
|
#define LINUX_SO_LINGER 13
|
|
|
|
#define LINUX_IP_TOS 1
|
|
#define LINUX_IP_TTL 2
|
|
#define LINUX_IP_HDRINCL 3
|
|
#define LINUX_IP_OPTIONS 4
|
|
|
|
#define LINUX_IP_MULTICAST_IF 32
|
|
#define LINUX_IP_MULTICAST_TTL 33
|
|
#define LINUX_IP_MULTICAST_LOOP 34
|
|
#define LINUX_IP_ADD_MEMBERSHIP 35
|
|
#define LINUX_IP_DROP_MEMBERSHIP 36
|
|
|
|
struct linux_sockaddr {
|
|
u_short sa_family;
|
|
char sa_data[14];
|
|
};
|
|
|
|
struct linux_ifmap {
|
|
u_long mem_start;
|
|
u_long mem_end;
|
|
u_short base_addr;
|
|
u_char irq;
|
|
u_char dma;
|
|
u_char port;
|
|
};
|
|
|
|
#define LINUX_IFHWADDRLEN 6
|
|
#define LINUX_IFNAMSIZ 16
|
|
|
|
struct linux_ifreq {
|
|
union {
|
|
char ifrn_name[LINUX_IFNAMSIZ];
|
|
} ifr_ifrn;
|
|
|
|
union {
|
|
struct linux_sockaddr ifru_addr;
|
|
struct linux_sockaddr ifru_dstaddr;
|
|
struct linux_sockaddr ifru_broadaddr;
|
|
struct linux_sockaddr ifru_netmask;
|
|
struct linux_sockaddr ifru_hwaddr;
|
|
short ifru_flags;
|
|
int ifru_metric;
|
|
int ifru_mtu;
|
|
struct linux_ifmap ifru_map;
|
|
char ifru_slave[LINUX_IFNAMSIZ]; /* Just fits the size */
|
|
linux_caddr_t ifru_data;
|
|
} ifr_ifru;
|
|
};
|
|
|
|
#define ifr_name ifr_ifrn.ifrn_name /* interface name */
|
|
#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
|
|
|
|
#endif /* !_I386_LINUX_LINUX_H_ */
|