| /* |
| * Linux syscalls |
| * |
| * Copyright (c) 2003 Fabrice Bellard |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #include <elf.h> |
| #include <endian.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <time.h> |
| #include <sys/types.h> |
| #include <sys/ipc.h> |
| #include <sys/msg.h> |
| #include <sys/wait.h> |
| #include <sys/time.h> |
| #include <sys/stat.h> |
| #include <sys/mount.h> |
| #include <sys/prctl.h> |
| #include <sys/resource.h> |
| #include <sys/mman.h> |
| #include <sys/swap.h> |
| #include <signal.h> |
| #include <sched.h> |
| #include <sys/socket.h> |
| #include <sys/uio.h> |
| #include <sys/poll.h> |
| #include <sys/times.h> |
| #include <sys/shm.h> |
| #include <sys/sem.h> |
| #include <sys/statfs.h> |
| #include <utime.h> |
| #include <sys/sysinfo.h> |
| //#include <sys/user.h> |
| #include <netinet/ip.h> |
| #include <netinet/tcp.h> |
| |
| #define termios host_termios |
| #define winsize host_winsize |
| #define termio host_termio |
| #define sgttyb host_sgttyb /* same as target */ |
| #define tchars host_tchars /* same as target */ |
| #define ltchars host_ltchars /* same as target */ |
| |
| #include <linux/termios.h> |
| #include <linux/unistd.h> |
| #include <linux/utsname.h> |
| #include <linux/cdrom.h> |
| #include <linux/hdreg.h> |
| #include <linux/soundcard.h> |
| #include <linux/dirent.h> |
| #include <linux/kd.h> |
| |
| #include "qemu.h" |
| |
| //#define DEBUG |
| |
| #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \ |
| || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS) |
| /* 16 bit uid wrappers emulation */ |
| #define USE_UID16 |
| #endif |
| |
| //#include <linux/msdos_fs.h> |
| #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) |
| #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) |
| |
| |
| #undef _syscall0 |
| #undef _syscall1 |
| #undef _syscall2 |
| #undef _syscall3 |
| #undef _syscall4 |
| #undef _syscall5 |
| #undef _syscall6 |
| |
| #define _syscall0(type,name) \ |
| type name (void) \ |
| { \ |
| return syscall(__NR_##name); \ |
| } |
| |
| #define _syscall1(type,name,type1,arg1) \ |
| type name (type1 arg1) \ |
| { \ |
| return syscall(__NR_##name, arg1); \ |
| } |
| |
| #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
| type name (type1 arg1,type2 arg2) \ |
| { \ |
| return syscall(__NR_##name, arg1, arg2); \ |
| } |
| |
| #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
| type name (type1 arg1,type2 arg2,type3 arg3) \ |
| { \ |
| return syscall(__NR_##name, arg1, arg2, arg3); \ |
| } |
| |
| #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
| type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
| { \ |
| return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ |
| } |
| |
| #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
| type5,arg5) \ |
| type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
| { \ |
| return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ |
| } |
| |
| |
| #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
| type5,arg5,type6,arg6) \ |
| type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ |
| { \ |
| return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ |
| } |
| |
| |
| #define __NR_sys_uname __NR_uname |
| #define __NR_sys_faccessat __NR_faccessat |
| #define __NR_sys_fchmodat __NR_fchmodat |
| #define __NR_sys_fchownat __NR_fchownat |
| #define __NR_sys_getcwd1 __NR_getcwd |
| #define __NR_sys_getdents __NR_getdents |
| #define __NR_sys_getdents64 __NR_getdents64 |
| #define __NR_sys_getpriority __NR_getpriority |
| #define __NR_sys_linkat __NR_linkat |
| #define __NR_sys_mkdirat __NR_mkdirat |
| #define __NR_sys_mknodat __NR_mknodat |
| #define __NR_sys_openat __NR_openat |
| #define __NR_sys_readlinkat __NR_readlinkat |
| #define __NR_sys_renameat __NR_renameat |
| #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
| #define __NR_sys_symlinkat __NR_symlinkat |
| #define __NR_sys_syslog __NR_syslog |
| #define __NR_sys_tgkill __NR_tgkill |
| #define __NR_sys_tkill __NR_tkill |
| #define __NR_sys_unlinkat __NR_unlinkat |
| #define __NR_sys_utimensat __NR_utimensat |
| |
| #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) |
| #define __NR__llseek __NR_lseek |
| #endif |
| |
| #ifdef __NR_gettid |
| _syscall0(int, gettid) |
| #else |
| /* This is a replacement for the host gettid() and must return a host |
| errno. */ |
| static int gettid(void) { |
| return -ENOSYS; |
| } |
| #endif |
| _syscall1(int,sys_uname,struct new_utsname *,buf) |
| #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
| _syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags) |
| #endif |
| #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) |
| _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname, |
| mode_t,mode,int,flags) |
| #endif |
| #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) |
| _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, |
| uid_t,owner,gid_t,group,int,flags) |
| #endif |
| _syscall2(int,sys_getcwd1,char *,buf,size_t,size) |
| _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); |
| #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
| _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); |
| #endif |
| _syscall2(int, sys_getpriority, int, which, int, who); |
| _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
| loff_t *, res, uint, wh); |
| #if defined(TARGET_NR_linkat) && defined(__NR_linkat) |
| _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, |
| int,newdirfd,const char *,newpath,int,flags) |
| #endif |
| #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) |
| _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) |
| #endif |
| #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) |
| _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, |
| mode_t,mode,dev_t,dev) |
| #endif |
| #if defined(TARGET_NR_openat) && defined(__NR_openat) |
| _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) |
| #endif |
| #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) |
| _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, |
| char *,buf,size_t,bufsize) |
| #endif |
| #if defined(TARGET_NR_renameat) && defined(__NR_renameat) |
| _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, |
| int,newdirfd,const char *,newpath) |
| #endif |
| _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) |
| #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) |
| _syscall3(int,sys_symlinkat,const char *,oldpath, |
| int,newdirfd,const char *,newpath) |
| #endif |
| _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
| #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) |
| _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) |
| #endif |
| #if defined(TARGET_NR_tkill) && defined(__NR_tkill) |
| _syscall2(int,sys_tkill,int,tid,int,sig) |
| #endif |
| #ifdef __NR_exit_group |
| _syscall1(int,exit_group,int,error_code) |
| #endif |
| #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
| _syscall1(int,set_tid_address,int *,tidptr) |
| #endif |
| #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) |
| _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) |
| #endif |
| #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) |
| _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
| const struct timespec *,tsp,int,flags) |
| #endif |
| |
| extern int personality(int); |
| extern int flock(int, int); |
| extern int setfsuid(int); |
| extern int setfsgid(int); |
| extern int setresuid(uid_t, uid_t, uid_t); |
| extern int getresuid(uid_t *, uid_t *, uid_t *); |
| extern int setresgid(gid_t, gid_t, gid_t); |
| extern int getresgid(gid_t *, gid_t *, gid_t *); |
| extern int setgroups(int, gid_t *); |
| |
| #define ERRNO_TABLE_SIZE 1200 |
| |
| /* target_to_host_errno_table[] is initialized from |
| * host_to_target_errno_table[] in syscall_init(). */ |
| static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { |
| }; |
| |
| /* |
| * This list is the union of errno values overridden in asm-<arch>/errno.h |
| * minus the errnos that are not actually generic to all archs. |
| */ |
| static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
| [EIDRM] = TARGET_EIDRM, |
| [ECHRNG] = TARGET_ECHRNG, |
| [EL2NSYNC] = TARGET_EL2NSYNC, |
| [EL3HLT] = TARGET_EL3HLT, |
| [EL3RST] = TARGET_EL3RST, |
| [ELNRNG] = TARGET_ELNRNG, |
| [EUNATCH] = TARGET_EUNATCH, |
| [ENOCSI] = TARGET_ENOCSI, |
| [EL2HLT] = TARGET_EL2HLT, |
| [EDEADLK] = TARGET_EDEADLK, |
| [ENOLCK] = TARGET_ENOLCK, |
| [EBADE] = TARGET_EBADE, |
| [EBADR] = TARGET_EBADR, |
| [EXFULL] = TARGET_EXFULL, |
| [ENOANO] = TARGET_ENOANO, |
| [EBADRQC] = TARGET_EBADRQC, |
| [EBADSLT] = TARGET_EBADSLT, |
| [EBFONT] = TARGET_EBFONT, |
| [ENOSTR] = TARGET_ENOSTR, |
| [ENODATA] = TARGET_ENODATA, |
| [ETIME] = TARGET_ETIME, |
| [ENOSR] = TARGET_ENOSR, |
| [ENONET] = TARGET_ENONET, |
| [ENOPKG] = TARGET_ENOPKG, |
| [EREMOTE] = TARGET_EREMOTE, |
| [ENOLINK] = TARGET_ENOLINK, |
| [EADV] = TARGET_EADV, |
| [ESRMNT] = TARGET_ESRMNT, |
| [ECOMM] = TARGET_ECOMM, |
| [EPROTO] = TARGET_EPROTO, |
| [EDOTDOT] = TARGET_EDOTDOT, |
| [EMULTIHOP] = TARGET_EMULTIHOP, |
| [EBADMSG] = TARGET_EBADMSG, |
| [ENAMETOOLONG] = TARGET_ENAMETOOLONG, |
| [EOVERFLOW] = TARGET_EOVERFLOW, |
| [ENOTUNIQ] = TARGET_ENOTUNIQ, |
| [EBADFD] = TARGET_EBADFD, |
| [EREMCHG] = TARGET_EREMCHG, |
| [ELIBACC] = TARGET_ELIBACC, |
| [ELIBBAD] = TARGET_ELIBBAD, |
| [ELIBSCN] = TARGET_ELIBSCN, |
| [ELIBMAX] = TARGET_ELIBMAX, |
| [ELIBEXEC] = TARGET_ELIBEXEC, |
| [EILSEQ] = TARGET_EILSEQ, |
| [ENOSYS] = TARGET_ENOSYS, |
| [ELOOP] = TARGET_ELOOP, |
| [ERESTART] = TARGET_ERESTART, |
| [ESTRPIPE] = TARGET_ESTRPIPE, |
| [ENOTEMPTY] = TARGET_ENOTEMPTY, |
| [EUSERS] = TARGET_EUSERS, |
| [ENOTSOCK] = TARGET_ENOTSOCK, |
| [EDESTADDRREQ] = TARGET_EDESTADDRREQ, |
| [EMSGSIZE] = TARGET_EMSGSIZE, |
| [EPROTOTYPE] = TARGET_EPROTOTYPE, |
| [ENOPROTOOPT] = TARGET_ENOPROTOOPT, |
| [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, |
| [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, |
| [EOPNOTSUPP] = TARGET_EOPNOTSUPP, |
| [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, |
| [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, |
| [EADDRINUSE] = TARGET_EADDRINUSE, |
| [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, |
| [ENETDOWN] = TARGET_ENETDOWN, |
| [ENETUNREACH] = TARGET_ENETUNREACH, |
| [ENETRESET] = TARGET_ENETRESET, |
| [ECONNABORTED] = TARGET_ECONNABORTED, |
| [ECONNRESET] = TARGET_ECONNRESET, |
| [ENOBUFS] = TARGET_ENOBUFS, |
| [EISCONN] = TARGET_EISCONN, |
| [ENOTCONN] = TARGET_ENOTCONN, |
| [EUCLEAN] = TARGET_EUCLEAN, |
| [ENOTNAM] = TARGET_ENOTNAM, |
| [ENAVAIL] = TARGET_ENAVAIL, |
| [EISNAM] = TARGET_EISNAM, |
| [EREMOTEIO] = TARGET_EREMOTEIO, |
| [ESHUTDOWN] = TARGET_ESHUTDOWN, |
| [ETOOMANYREFS] = TARGET_ETOOMANYREFS, |
| [ETIMEDOUT] = TARGET_ETIMEDOUT, |
| [ECONNREFUSED] = TARGET_ECONNREFUSED, |
| [EHOSTDOWN] = TARGET_EHOSTDOWN, |
| [EHOSTUNREACH] = TARGET_EHOSTUNREACH, |
| [EALREADY] = TARGET_EALREADY, |
| [EINPROGRESS] = TARGET_EINPROGRESS, |
| [ESTALE] = TARGET_ESTALE, |
| [ECANCELED] = TARGET_ECANCELED, |
| [ENOMEDIUM] = TARGET_ENOMEDIUM, |
| [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, |
| #ifdef ENOKEY |
| [ENOKEY] = TARGET_ENOKEY, |
| #endif |
| #ifdef EKEYEXPIRED |
| [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
| #endif |
| #ifdef EKEYREVOKED |
| [EKEYREVOKED] = TARGET_EKEYREVOKED, |
| #endif |
| #ifdef EKEYREJECTED |
| [EKEYREJECTED] = TARGET_EKEYREJECTED, |
| #endif |
| #ifdef EOWNERDEAD |
| [EOWNERDEAD] = TARGET_EOWNERDEAD, |
| #endif |
| #ifdef ENOTRECOVERABLE |
| [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
| #endif |
| }; |
| |
| static inline int host_to_target_errno(int err) |
| { |
| if(host_to_target_errno_table[err]) |
| return host_to_target_errno_table[err]; |
| return err; |
| } |
| |
| static inline int target_to_host_errno(int err) |
| { |
| if (target_to_host_errno_table[err]) |
| return target_to_host_errno_table[err]; |
| return err; |
| } |
| |
| static inline abi_long get_errno(abi_long ret) |
| { |
| if (ret == -1) |
| return -host_to_target_errno(errno); |
| else |
| return ret; |
| } |
| |
| static inline int is_error(abi_long ret) |
| { |
| return (abi_ulong)ret >= (abi_ulong)(-4096); |
| } |
| |
| char *target_strerror(int err) |
| { |
| return strerror(target_to_host_errno(err)); |
| } |
| |
| static abi_ulong target_brk; |
| static abi_ulong target_original_brk; |
| |
| void target_set_brk(abi_ulong new_brk) |
| { |
| target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
| } |
| |
| /* do_brk() must return target values and target errnos. */ |
| abi_long do_brk(abi_ulong new_brk) |
| { |
| abi_ulong brk_page; |
| abi_long mapped_addr; |
| int new_alloc_size; |
| |
| if (!new_brk) |
| return target_brk; |
| if (new_brk < target_original_brk) |
| return -TARGET_ENOMEM; |
| |
| brk_page = HOST_PAGE_ALIGN(target_brk); |
| |
| /* If the new brk is less than this, set it and we're done... */ |
| if (new_brk < brk_page) { |
| target_brk = new_brk; |
| return target_brk; |
| } |
| |
| /* We need to allocate more memory after the brk... */ |
| new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); |
| mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
| PROT_READ|PROT_WRITE, |
| MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); |
| if (is_error(mapped_addr)) { |
| return mapped_addr; |
| } else { |
| target_brk = new_brk; |
| return target_brk; |
| } |
| } |
| |
| static inline fd_set *target_to_host_fds(fd_set *fds, |
| abi_long *target_fds, int n) |
| { |
| #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) |
| return (fd_set *)target_fds; |
| #else |
| int i, b; |
| if (target_fds) { |
| FD_ZERO(fds); |
| for(i = 0;i < n; i++) { |
| b = (tswapl(target_fds[i / TARGET_ABI_BITS]) >> |
| (i & (TARGET_ABI_BITS - 1))) & 1; |
| if (b) |
| FD_SET(i, fds); |
| } |
| return fds; |
| } else { |
| return NULL; |
| } |
| #endif |
| } |
| |
| static inline void host_to_target_fds(abi_long *target_fds, |
| fd_set *fds, int n) |
| { |
| #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) |
| /* nothing to do */ |
| #else |
| int i, nw, j, k; |
| abi_long v; |
| |
| if (target_fds) { |
| nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; |
| k = 0; |
| for(i = 0;i < nw; i++) { |
| v = 0; |
| for(j = 0; j < TARGET_ABI_BITS; j++) { |
| v |= ((FD_ISSET(k, fds) != 0) << j); |
| k++; |
| } |
| target_fds[i] = tswapl(v); |
| } |
| } |
| #endif |
| } |
| |
| #if defined(__alpha__) |
| #define HOST_HZ 1024 |
| #else |
| #define HOST_HZ 100 |
| #endif |
| |
| static inline abi_long host_to_target_clock_t(long ticks) |
| { |
| #if HOST_HZ == TARGET_HZ |
| return ticks; |
| #else |
| return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; |
| #endif |
| } |
| |
| static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
| const struct rusage *rusage) |
| { |
| struct target_rusage *target_rusage; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
| return -TARGET_EFAULT; |
| target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); |
| target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); |
| target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); |
| target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); |
| target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); |
| target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); |
| target_rusage->ru_idrss = tswapl(rusage->ru_idrss); |
| target_rusage->ru_isrss = tswapl(rusage->ru_isrss); |
| target_rusage->ru_minflt = tswapl(rusage->ru_minflt); |
| target_rusage->ru_majflt = tswapl(rusage->ru_majflt); |
| target_rusage->ru_nswap = tswapl(rusage->ru_nswap); |
| target_rusage->ru_inblock = tswapl(rusage->ru_inblock); |
| target_rusage->ru_oublock = tswapl(rusage->ru_oublock); |
| target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); |
| target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); |
| target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); |
| target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); |
| target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); |
| unlock_user_struct(target_rusage, target_addr, 1); |
| |
| return 0; |
| } |
| |
| static inline abi_long target_to_host_timeval(struct timeval *tv, |
| abi_ulong target_addr) |
| { |
| struct target_timeval *target_tv; |
| |
| if (!lock_user_struct(VERIFY_READ, target_tv, target_addr, 1)) |
| return -TARGET_EFAULT; |
| tv->tv_sec = tswapl(target_tv->tv_sec); |
| tv->tv_usec = tswapl(target_tv->tv_usec); |
| unlock_user_struct(target_tv, target_addr, 0); |
| |
| return 0; |
| } |
| |
| static inline abi_long host_to_target_timeval(abi_ulong target_addr, |
| const struct timeval *tv) |
| { |
| struct target_timeval *target_tv; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_tv, target_addr, 0)) |
| return -TARGET_EFAULT; |
| target_tv->tv_sec = tswapl(tv->tv_sec); |
| target_tv->tv_usec = tswapl(tv->tv_usec); |
| unlock_user_struct(target_tv, target_addr, 1); |
| |
| return 0; |
| } |
| |
| |
| /* do_select() must return target values and target errnos. */ |
| static abi_long do_select(int n, |
| abi_ulong rfd_p, abi_ulong wfd_p, |
| abi_ulong efd_p, abi_ulong target_tv) |
| { |
| fd_set rfds, wfds, efds; |
| fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
| abi_long *target_rfds, *target_wfds, *target_efds; |
| struct timeval tv, *tv_ptr; |
| abi_long ret; |
| int ok; |
| |
| if (rfd_p) { |
| target_rfds = lock_user(VERIFY_WRITE, rfd_p, sizeof(abi_long) * n, 1); |
| if (!target_rfds) { |
| ret = -TARGET_EFAULT; |
| goto end; |
| } |
| rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); |
| } else { |
| target_rfds = NULL; |
| rfds_ptr = NULL; |
| } |
| if (wfd_p) { |
| target_wfds = lock_user(VERIFY_WRITE, wfd_p, sizeof(abi_long) * n, 1); |
| if (!target_wfds) { |
| ret = -TARGET_EFAULT; |
| goto end; |
| } |
| wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); |
| } else { |
| target_wfds = NULL; |
| wfds_ptr = NULL; |
| } |
| if (efd_p) { |
| target_efds = lock_user(VERIFY_WRITE, efd_p, sizeof(abi_long) * n, 1); |
| if (!target_efds) { |
| ret = -TARGET_EFAULT; |
| goto end; |
| } |
| efds_ptr = target_to_host_fds(&efds, target_efds, n); |
| } else { |
| target_efds = NULL; |
| efds_ptr = NULL; |
| } |
| |
| if (target_tv) { |
| target_to_host_timeval(&tv, target_tv); |
| tv_ptr = &tv; |
| } else { |
| tv_ptr = NULL; |
| } |
| ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
| ok = !is_error(ret); |
| |
| if (ok) { |
| host_to_target_fds(target_rfds, rfds_ptr, n); |
| host_to_target_fds(target_wfds, wfds_ptr, n); |
| host_to_target_fds(target_efds, efds_ptr, n); |
| |
| if (target_tv) { |
| host_to_target_timeval(target_tv, &tv); |
| } |
| } |
| |
| end: |
| unlock_user(target_rfds, rfd_p, ok ? sizeof(abi_long) * n : 0); |
| unlock_user(target_wfds, wfd_p, ok ? sizeof(abi_long) * n : 0); |
| unlock_user(target_efds, efd_p, ok ? sizeof(abi_long) * n : 0); |
| |
| return ret; |
| } |
| |
| static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
| abi_ulong target_addr, |
| socklen_t len) |
| { |
| struct target_sockaddr *target_saddr; |
| |
| target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
| if (!target_saddr) |
| return -TARGET_EFAULT; |
| memcpy(addr, target_saddr, len); |
| addr->sa_family = tswap16(target_saddr->sa_family); |
| unlock_user(target_saddr, target_addr, 0); |
| |
| return 0; |
| } |
| |
| static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
| struct sockaddr *addr, |
| socklen_t len) |
| { |
| struct target_sockaddr *target_saddr; |
| |
| target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
| if (!target_saddr) |
| return -TARGET_EFAULT; |
| memcpy(target_saddr, addr, len); |
| target_saddr->sa_family = tswap16(addr->sa_family); |
| unlock_user(target_saddr, target_addr, len); |
| |
| return 0; |
| } |
| |
| /* ??? Should this also swap msgh->name? */ |
| static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
| struct target_msghdr *target_msgh) |
| { |
| struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); |
| abi_long msg_controllen; |
| abi_ulong target_cmsg_addr; |
| struct target_cmsghdr *target_cmsg; |
| socklen_t space = 0; |
| |
| msg_controllen = tswapl(target_msgh->msg_controllen); |
| if (msg_controllen < sizeof (struct target_cmsghdr)) |
| goto the_end; |
| target_cmsg_addr = tswapl(target_msgh->msg_control); |
| target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
| if (!target_cmsg) |
| return -TARGET_EFAULT; |
| |
| while (cmsg && target_cmsg) { |
| void *data = CMSG_DATA(cmsg); |
| void *target_data = TARGET_CMSG_DATA(target_cmsg); |
| |
| int len = tswapl(target_cmsg->cmsg_len) |
| - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
| |
| space += CMSG_SPACE(len); |
| if (space > msgh->msg_controllen) { |
| space -= CMSG_SPACE(len); |
| gemu_log("Host cmsg overflow\n"); |
| break; |
| } |
| |
| cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); |
| cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
| cmsg->cmsg_len = CMSG_LEN(len); |
| |
| if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { |
| gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); |
| memcpy(data, target_data, len); |
| } else { |
| int *fd = (int *)data; |
| int *target_fd = (int *)target_data; |
| int i, numfds = len / sizeof(int); |
| |
| for (i = 0; i < numfds; i++) |
| fd[i] = tswap32(target_fd[i]); |
| } |
| |
| cmsg = CMSG_NXTHDR(msgh, cmsg); |
| target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| } |
| unlock_user(target_cmsg, target_cmsg_addr, 0); |
| the_end: |
| msgh->msg_controllen = space; |
| return 0; |
| } |
| |
| /* ??? Should this also swap msgh->name? */ |
| static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
| struct msghdr *msgh) |
| { |
| struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); |
| abi_long msg_controllen; |
| abi_ulong target_cmsg_addr; |
| struct target_cmsghdr *target_cmsg; |
| socklen_t space = 0; |
| |
| msg_controllen = tswapl(target_msgh->msg_controllen); |
| if (msg_controllen < sizeof (struct target_cmsghdr)) |
| goto the_end; |
| target_cmsg_addr = tswapl(target_msgh->msg_control); |
| target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
| if (!target_cmsg) |
| return -TARGET_EFAULT; |
| |
| while (cmsg && target_cmsg) { |
| void *data = CMSG_DATA(cmsg); |
| void *target_data = TARGET_CMSG_DATA(target_cmsg); |
| |
| int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); |
| |
| space += TARGET_CMSG_SPACE(len); |
| if (space > msg_controllen) { |
| space -= TARGET_CMSG_SPACE(len); |
| gemu_log("Target cmsg overflow\n"); |
| break; |
| } |
| |
| target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); |
| target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
| target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); |
| |
| if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { |
| gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); |
| memcpy(target_data, data, len); |
| } else { |
| int *fd = (int *)data; |
| int *target_fd = (int *)target_data; |
| int i, numfds = len / sizeof(int); |
| |
| for (i = 0; i < numfds; i++) |
| target_fd[i] = tswap32(fd[i]); |
| } |
| |
| cmsg = CMSG_NXTHDR(msgh, cmsg); |
| target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| } |
| unlock_user(target_cmsg, target_cmsg_addr, space); |
| the_end: |
| target_msgh->msg_controllen = tswapl(space); |
| return 0; |
| } |
| |
| /* do_setsockopt() Must return target values and target errnos. */ |
| static abi_long do_setsockopt(int sockfd, int level, int optname, |
| abi_ulong optval_addr, socklen_t optlen) |
| { |
| abi_long ret; |
| int val; |
| |
| switch(level) { |
| case SOL_TCP: |
| /* TCP options all take an 'int' value. */ |
| if (optlen < sizeof(uint32_t)) |
| return -TARGET_EINVAL; |
| |
| if (get_user_u32(val, optval_addr)) |
| return -TARGET_EFAULT; |
| ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
| break; |
| case SOL_IP: |
| switch(optname) { |
| case IP_TOS: |
| case IP_TTL: |
| case IP_HDRINCL: |
| case IP_ROUTER_ALERT: |
| case IP_RECVOPTS: |
| case IP_RETOPTS: |
| case IP_PKTINFO: |
| case IP_MTU_DISCOVER: |
| case IP_RECVERR: |
| case IP_RECVTOS: |
| #ifdef IP_FREEBIND |
| case IP_FREEBIND: |
| #endif |
| case IP_MULTICAST_TTL: |
| case IP_MULTICAST_LOOP: |
| val = 0; |
| if (optlen >= sizeof(uint32_t)) { |
| if (get_user_u32(val, optval_addr)) |
| return -TARGET_EFAULT; |
| } else if (optlen >= 1) { |
| if (get_user_u8(val, optval_addr)) |
| return -TARGET_EFAULT; |
| } |
| ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
| break; |
| default: |
| goto unimplemented; |
| } |
| break; |
| case TARGET_SOL_SOCKET: |
| switch (optname) { |
| /* Options with 'int' argument. */ |
| case TARGET_SO_DEBUG: |
| optname = SO_DEBUG; |
| break; |
| case TARGET_SO_REUSEADDR: |
| optname = SO_REUSEADDR; |
| break; |
| case TARGET_SO_TYPE: |
| optname = SO_TYPE; |
| break; |
| case TARGET_SO_ERROR: |
| optname = SO_ERROR; |
| break; |
| case TARGET_SO_DONTROUTE: |
| optname = SO_DONTROUTE; |
| break; |
| case TARGET_SO_BROADCAST: |
| optname = SO_BROADCAST; |
| break; |
| case TARGET_SO_SNDBUF: |
| optname = SO_SNDBUF; |
| break; |
| case TARGET_SO_RCVBUF: |
| optname = SO_RCVBUF; |
| break; |
| case TARGET_SO_KEEPALIVE: |
| optname = SO_KEEPALIVE; |
| break; |
| case TARGET_SO_OOBINLINE: |
| optname = SO_OOBINLINE; |
| break; |
| case TARGET_SO_NO_CHECK: |
| optname = SO_NO_CHECK; |
| break; |
| case TARGET_SO_PRIORITY: |
| optname = SO_PRIORITY; |
| break; |
| #ifdef SO_BSDCOMPAT |
| case TARGET_SO_BSDCOMPAT: |
| optname = SO_BSDCOMPAT; |
| break; |
| #endif |
| case TARGET_SO_PASSCRED: |
| optname = SO_PASSCRED; |
| break; |
| case TARGET_SO_TIMESTAMP: |
| optname = SO_TIMESTAMP; |
| break; |
| case TARGET_SO_RCVLOWAT: |
| optname = SO_RCVLOWAT; |
| break; |
| case TARGET_SO_RCVTIMEO: |
| optname = SO_RCVTIMEO; |
| break; |
| case TARGET_SO_SNDTIMEO: |
| optname = SO_SNDTIMEO; |
| break; |
| break; |
| default: |
| goto unimplemented; |
| } |
| if (optlen < sizeof(uint32_t)) |
| return -TARGET_EINVAL; |
| |
| if (get_user_u32(val, optval_addr)) |
| return -TARGET_EFAULT; |
| ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
| break; |
| default: |
| unimplemented: |
| gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); |
| ret = -TARGET_ENOSYS; |
| } |
| return ret; |
| } |
| |
| /* do_getsockopt() Must return target values and target errnos. */ |
| static abi_long do_getsockopt(int sockfd, int level, int optname, |
| abi_ulong optval_addr, abi_ulong optlen) |
| { |
| abi_long ret; |
| int len, lv, val; |
| |
| switch(level) { |
| case TARGET_SOL_SOCKET: |
| level = SOL_SOCKET; |
| switch (optname) { |
| case TARGET_SO_LINGER: |
| case TARGET_SO_RCVTIMEO: |
| case TARGET_SO_SNDTIMEO: |
| case TARGET_SO_PEERCRED: |
| case TARGET_SO_PEERNAME: |
| /* These don't just return a single integer */ |
| goto unimplemented; |
| default: |
| goto int_case; |
| } |
| break; |
| case SOL_TCP: |
| /* TCP options all take an 'int' value. */ |
| int_case: |
| if (get_user_u32(len, optlen)) |
| return -TARGET_EFAULT; |
| if (len < 0) |
| return -TARGET_EINVAL; |
| lv = sizeof(int); |
| ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| if (ret < 0) |
| return ret; |
| val = tswap32(val); |
| if (len > lv) |
| len = lv; |
| if (len == 4) { |
| if (put_user_u32(val, optval_addr)) |
| return -TARGET_EFAULT; |
| } else { |
| if (put_user_u8(val, optval_addr)) |
| return -TARGET_EFAULT; |
| } |
| if (put_user_u32(len, optlen)) |
| return -TARGET_EFAULT; |
| break; |
| case SOL_IP: |
| switch(optname) { |
| case IP_TOS: |
| case IP_TTL: |
| case IP_HDRINCL: |
| case IP_ROUTER_ALERT: |
| case IP_RECVOPTS: |
| case IP_RETOPTS: |
| case IP_PKTINFO: |
| case IP_MTU_DISCOVER: |
| case IP_RECVERR: |
| case IP_RECVTOS: |
| #ifdef IP_FREEBIND |
| case IP_FREEBIND: |
| #endif |
| case IP_MULTICAST_TTL: |
| case IP_MULTICAST_LOOP: |
| if (get_user_u32(len, optlen)) |
| return -TARGET_EFAULT; |
| if (len < 0) |
| return -TARGET_EINVAL; |
| lv = sizeof(int); |
| ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| if (ret < 0) |
| return ret; |
| if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
| len = 1; |
| if (put_user_u32(len, optlen) |
| || put_user_u8(val, optval_addr)) |
| return -TARGET_EFAULT; |
| } else { |
| if (len > sizeof(int)) |
| len = sizeof(int); |
| if (put_user_u32(len, optlen) |
| || put_user_u32(val, optval_addr)) |
| return -TARGET_EFAULT; |
| } |
| break; |
| default: |
| goto unimplemented; |
| } |
| break; |
| default: |
| unimplemented: |
| gemu_log("getsockopt level=%d optname=%d not yet supported\n", |
| level, optname); |
| ret = -TARGET_ENOSYS; |
| break; |
| } |
| return ret; |
| } |
| |
| /* FIXME |
| * lock_iovec()/unlock_iovec() have a return code of 0 for success where |
| * other lock functions have a return code of 0 for failure. |
| */ |
| static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, |
| int count, int copy) |
| { |
| struct target_iovec *target_vec; |
| abi_ulong base; |
| int i, j; |
| |
| target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
| if (!target_vec) |
| return -TARGET_EFAULT; |
| for(i = 0;i < count; i++) { |
| base = tswapl(target_vec[i].iov_base); |
| vec[i].iov_len = tswapl(target_vec[i].iov_len); |
| vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); |
| if (!vec[i].iov_base) |
| goto fail; |
| } |
| unlock_user (target_vec, target_addr, 0); |
| return 0; |
| fail: |
| /* failure - unwind locks */ |
| for (j = 0; j < i; j++) { |
| base = tswapl(target_vec[j].iov_base); |
| unlock_user(vec[j].iov_base, base, 0); |
| } |
| unlock_user (target_vec, target_addr, 0); |
| return -TARGET_EFAULT; |
| } |
| |
| static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
| int count, int copy) |
| { |
| struct target_iovec *target_vec; |
| abi_ulong base; |
| int i; |
| |
| target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
| if (!target_vec) |
| return -TARGET_EFAULT; |
| for(i = 0;i < count; i++) { |
| base = tswapl(target_vec[i].iov_base); |
| unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
| } |
| unlock_user (target_vec, target_addr, 0); |
| |
| return 0; |
| } |
| |
| /* do_socket() Must return target values and target errnos. */ |
| static abi_long do_socket(int domain, int type, int protocol) |
| { |
| #if defined(TARGET_MIPS) |
| switch(type) { |
| case TARGET_SOCK_DGRAM: |
| type = SOCK_DGRAM; |
| break; |
| case TARGET_SOCK_STREAM: |
| type = SOCK_STREAM; |
| break; |
| case TARGET_SOCK_RAW: |
| type = SOCK_RAW; |
| break; |
| case TARGET_SOCK_RDM: |
| type = SOCK_RDM; |
| break; |
| case TARGET_SOCK_SEQPACKET: |
| type = SOCK_SEQPACKET; |
| break; |
| case TARGET_SOCK_PACKET: |
| type = SOCK_PACKET; |
| break; |
| } |
| #endif |
| if (domain == PF_NETLINK) |
| return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ |
| return get_errno(socket(domain, type, protocol)); |
| } |
| |
| /* do_bind() Must return target values and target errnos. */ |
| static abi_long do_bind(int sockfd, abi_ulong target_addr, |
| socklen_t addrlen) |
| { |
| void *addr = alloca(addrlen); |
| |
| target_to_host_sockaddr(addr, target_addr, addrlen); |
| return get_errno(bind(sockfd, addr, addrlen)); |
| } |
| |
| /* do_connect() Must return target values and target errnos. */ |
| static abi_long do_connect(int sockfd, abi_ulong target_addr, |
| socklen_t addrlen) |
| { |
| void *addr = alloca(addrlen); |
| |
| target_to_host_sockaddr(addr, target_addr, addrlen); |
| return get_errno(connect(sockfd, addr, addrlen)); |
| } |
| |
| /* do_sendrecvmsg() Must return target values and target errnos. */ |
| static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
| int flags, int send) |
| { |
| abi_long ret; |
| struct target_msghdr *msgp; |
| struct msghdr msg; |
| int count; |
| struct iovec *vec; |
| abi_ulong target_vec; |
| |
| /* FIXME */ |
| if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, |
| msgp, |
| target_msg, |
| send ? 1 : 0)) |
| return -TARGET_EFAULT; |
| if (msgp->msg_name) { |
| msg.msg_namelen = tswap32(msgp->msg_namelen); |
| msg.msg_name = alloca(msg.msg_namelen); |
| target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), |
| msg.msg_namelen); |
| } else { |
| msg.msg_name = NULL; |
| msg.msg_namelen = 0; |
| } |
| msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); |
| msg.msg_control = alloca(msg.msg_controllen); |
| msg.msg_flags = tswap32(msgp->msg_flags); |
| |
| count = tswapl(msgp->msg_iovlen); |
| vec = alloca(count * sizeof(struct iovec)); |
| target_vec = tswapl(msgp->msg_iov); |
| lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send); |
| msg.msg_iovlen = count; |
| msg.msg_iov = vec; |
| |
| if (send) { |
| ret = target_to_host_cmsg(&msg, msgp); |
| if (ret == 0) |
| ret = get_errno(sendmsg(fd, &msg, flags)); |
| } else { |
| ret = get_errno(recvmsg(fd, &msg, flags)); |
| if (!is_error(ret)) |
| ret = host_to_target_cmsg(msgp, &msg); |
| } |
| unlock_iovec(vec, target_vec, count, !send); |
| unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
| return ret; |
| } |
| |
| /* do_accept() Must return target values and target errnos. */ |
| static abi_long do_accept(int fd, abi_ulong target_addr, |
| abi_ulong target_addrlen_addr) |
| { |
| socklen_t addrlen; |
| void *addr; |
| abi_long ret; |
| |
| if (get_user_u32(addrlen, target_addrlen_addr)) |
| return -TARGET_EFAULT; |
| |
| addr = alloca(addrlen); |
| |
| ret = get_errno(accept(fd, addr, &addrlen)); |
| if (!is_error(ret)) { |
| host_to_target_sockaddr(target_addr, addr, addrlen); |
| if (put_user_u32(addrlen, target_addrlen_addr)) |
| ret = -TARGET_EFAULT; |
| } |
| return ret; |
| } |
| |
| /* do_getpeername() Must return target values and target errnos. */ |
| static abi_long do_getpeername(int fd, abi_ulong target_addr, |
| abi_ulong target_addrlen_addr) |
| { |
| socklen_t addrlen; |
| void *addr; |
| abi_long ret; |
| |
| if (get_user_u32(addrlen, target_addrlen_addr)) |
| return -TARGET_EFAULT; |
| |
| addr = alloca(addrlen); |
| |
| ret = get_errno(getpeername(fd, addr, &addrlen)); |
| if (!is_error(ret)) { |
| host_to_target_sockaddr(target_addr, addr, addrlen); |
| if (put_user_u32(addrlen, target_addrlen_addr)) |
| ret = -TARGET_EFAULT; |
| } |
| return ret; |
| } |
| |
| /* do_getsockname() Must return target values and target errnos. */ |
| static abi_long do_getsockname(int fd, abi_ulong target_addr, |
| abi_ulong target_addrlen_addr) |
| { |
| socklen_t addrlen; |
| void *addr; |
| abi_long ret; |
| |
| if (get_user_u32(addrlen, target_addrlen_addr)) |
| return -TARGET_EFAULT; |
| |
| addr = alloca(addrlen); |
| |
| ret = get_errno(getsockname(fd, addr, &addrlen)); |
| if (!is_error(ret)) { |
| host_to_target_sockaddr(target_addr, addr, addrlen); |
| if (put_user_u32(addrlen, target_addrlen_addr)) |
| ret = -TARGET_EFAULT; |
| } |
| return ret; |
| } |
| |
| /* do_socketpair() Must return target values and target errnos. */ |
| static abi_long do_socketpair(int domain, int type, int protocol, |
| abi_ulong target_tab_addr) |
| { |
| int tab[2]; |
| abi_long ret; |
| |
| ret = get_errno(socketpair(domain, type, protocol, tab)); |
| if (!is_error(ret)) { |
| if (put_user_s32(tab[0], target_tab_addr) |
| || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) |
| ret = -TARGET_EFAULT; |
| } |
| return ret; |
| } |
| |
| /* do_sendto() Must return target values and target errnos. */ |
| static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
| abi_ulong target_addr, socklen_t addrlen) |
| { |
| void *addr; |
| void *host_msg; |
| abi_long ret; |
| |
| host_msg = lock_user(VERIFY_READ, msg, len, 1); |
| if (!host_msg) |
| return -TARGET_EFAULT; |
| if (target_addr) { |
| addr = alloca(addrlen); |
| target_to_host_sockaddr(addr, target_addr, addrlen); |
| ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
| } else { |
| ret = get_errno(send(fd, host_msg, len, flags)); |
| } |
| unlock_user(host_msg, msg, 0); |
| return ret; |
| } |
| |
| /* do_recvfrom() Must return target values and target errnos. */ |
| static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
| abi_ulong target_addr, |
| abi_ulong target_addrlen) |
| { |
| socklen_t addrlen; |
| void *addr; |
| void *host_msg; |
| abi_long ret; |
| |
| host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
| if (!host_msg) |
| return -TARGET_EFAULT; |
| if (target_addr) { |
| if (get_user_u32(addrlen, target_addrlen)) { |
| ret = -TARGET_EFAULT; |
| goto fail; |
| } |
| addr = alloca(addrlen); |
| ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); |
| } else { |
| addr = NULL; /* To keep compiler quiet. */ |
| ret = get_errno(recv(fd, host_msg, len, flags)); |
| } |
| if (!is_error(ret)) { |
| if (target_addr) { |
| host_to_target_sockaddr(target_addr, addr, addrlen); |
| if (put_user_u32(addrlen, target_addrlen)) { |
| ret = -TARGET_EFAULT; |
| goto fail; |
| } |
| } |
| unlock_user(host_msg, msg, len); |
| } else { |
| fail: |
| unlock_user(host_msg, msg, 0); |
| } |
| return ret; |
| } |
| |
| #ifdef TARGET_NR_socketcall |
| /* do_socketcall() Must return target values and target errnos. */ |
| static abi_long do_socketcall(int num, abi_ulong vptr) |
| { |
| abi_long ret; |
| const int n = sizeof(abi_ulong); |
| |
| switch(num) { |
| case SOCKOP_socket: |
| { |
| int domain, type, protocol; |
| |
| if (get_user_s32(domain, vptr) |
| || get_user_s32(type, vptr + n) |
| || get_user_s32(protocol, vptr + 2 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_socket(domain, type, protocol); |
| } |
| break; |
| case SOCKOP_bind: |
| { |
| int sockfd; |
| abi_ulong target_addr; |
| socklen_t addrlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(target_addr, vptr + n) |
| || get_user_u32(addrlen, vptr + 2 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_bind(sockfd, target_addr, addrlen); |
| } |
| break; |
| case SOCKOP_connect: |
| { |
| int sockfd; |
| abi_ulong target_addr; |
| socklen_t addrlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(target_addr, vptr + n) |
| || get_user_u32(addrlen, vptr + 2 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_connect(sockfd, target_addr, addrlen); |
| } |
| break; |
| case SOCKOP_listen: |
| { |
| int sockfd, backlog; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_s32(backlog, vptr + n)) |
| return -TARGET_EFAULT; |
| |
| ret = get_errno(listen(sockfd, backlog)); |
| } |
| break; |
| case SOCKOP_accept: |
| { |
| int sockfd; |
| abi_ulong target_addr, target_addrlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(target_addr, vptr + n) |
| || get_user_u32(target_addrlen, vptr + 2 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_accept(sockfd, target_addr, target_addrlen); |
| } |
| break; |
| case SOCKOP_getsockname: |
| { |
| int sockfd; |
| abi_ulong target_addr, target_addrlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(target_addr, vptr + n) |
| || get_user_u32(target_addrlen, vptr + 2 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_getsockname(sockfd, target_addr, target_addrlen); |
| } |
| break; |
| case SOCKOP_getpeername: |
| { |
| int sockfd; |
| abi_ulong target_addr, target_addrlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(target_addr, vptr + n) |
| || get_user_u32(target_addrlen, vptr + 2 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_getpeername(sockfd, target_addr, target_addrlen); |
| } |
| break; |
| case SOCKOP_socketpair: |
| { |
| int domain, type, protocol; |
| abi_ulong tab; |
| |
| if (get_user_s32(domain, vptr) |
| || get_user_s32(type, vptr + n) |
| || get_user_s32(protocol, vptr + 2 * n) |
| || get_user_ual(tab, vptr + 3 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_socketpair(domain, type, protocol, tab); |
| } |
| break; |
| case SOCKOP_send: |
| { |
| int sockfd; |
| abi_ulong msg; |
| size_t len; |
| int flags; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(msg, vptr + n) |
| || get_user_ual(len, vptr + 2 * n) |
| || get_user_s32(flags, vptr + 3 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_sendto(sockfd, msg, len, flags, 0, 0); |
| } |
| break; |
| case SOCKOP_recv: |
| { |
| int sockfd; |
| abi_ulong msg; |
| size_t len; |
| int flags; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(msg, vptr + n) |
| || get_user_ual(len, vptr + 2 * n) |
| || get_user_s32(flags, vptr + 3 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); |
| } |
| break; |
| case SOCKOP_sendto: |
| { |
| int sockfd; |
| abi_ulong msg; |
| size_t len; |
| int flags; |
| abi_ulong addr; |
| socklen_t addrlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(msg, vptr + n) |
| || get_user_ual(len, vptr + 2 * n) |
| || get_user_s32(flags, vptr + 3 * n) |
| || get_user_ual(addr, vptr + 4 * n) |
| || get_user_u32(addrlen, vptr + 5 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); |
| } |
| break; |
| case SOCKOP_recvfrom: |
| { |
| int sockfd; |
| abi_ulong msg; |
| size_t len; |
| int flags; |
| abi_ulong addr; |
| socklen_t addrlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_ual(msg, vptr + n) |
| || get_user_ual(len, vptr + 2 * n) |
| || get_user_s32(flags, vptr + 3 * n) |
| || get_user_ual(addr, vptr + 4 * n) |
| || get_user_u32(addrlen, vptr + 5 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); |
| } |
| break; |
| case SOCKOP_shutdown: |
| { |
| int sockfd, how; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_s32(how, vptr + n)) |
| return -TARGET_EFAULT; |
| |
| ret = get_errno(shutdown(sockfd, how)); |
| } |
| break; |
| case SOCKOP_sendmsg: |
| case SOCKOP_recvmsg: |
| { |
| int fd; |
| abi_ulong target_msg; |
| int flags; |
| |
| if (get_user_s32(fd, vptr) |
| || get_user_ual(target_msg, vptr + n) |
| || get_user_s32(flags, vptr + 2 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_sendrecvmsg(fd, target_msg, flags, |
| (num == SOCKOP_sendmsg)); |
| } |
| break; |
| case SOCKOP_setsockopt: |
| { |
| int sockfd; |
| int level; |
| int optname; |
| abi_ulong optval; |
| socklen_t optlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_s32(level, vptr + n) |
| || get_user_s32(optname, vptr + 2 * n) |
| || get_user_ual(optval, vptr + 3 * n) |
| || get_user_u32(optlen, vptr + 4 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_setsockopt(sockfd, level, optname, optval, optlen); |
| } |
| break; |
| case SOCKOP_getsockopt: |
| { |
| int sockfd; |
| int level; |
| int optname; |
| abi_ulong optval; |
| socklen_t optlen; |
| |
| if (get_user_s32(sockfd, vptr) |
| || get_user_s32(level, vptr + n) |
| || get_user_s32(optname, vptr + 2 * n) |
| || get_user_ual(optval, vptr + 3 * n) |
| || get_user_u32(optlen, vptr + 4 * n)) |
| return -TARGET_EFAULT; |
| |
| ret = do_getsockopt(sockfd, level, optname, optval, optlen); |
| } |
| break; |
| default: |
| gemu_log("Unsupported socketcall: %d\n", num); |
| ret = -TARGET_ENOSYS; |
| break; |
| } |
| return ret; |
| } |
| #endif |
| |
| #ifdef TARGET_NR_ipc |
| #define N_SHM_REGIONS 32 |
| |
| static struct shm_region { |
| abi_ulong start; |
| abi_ulong size; |
| } shm_regions[N_SHM_REGIONS]; |
| |
| struct target_ipc_perm |
| { |
| abi_long __key; |
| abi_ulong uid; |
| abi_ulong gid; |
| abi_ulong cuid; |
| abi_ulong cgid; |
| unsigned short int mode; |
| unsigned short int __pad1; |
| unsigned short int __seq; |
| unsigned short int __pad2; |
| abi_ulong __unused1; |
| abi_ulong __unused2; |
| }; |
| |
| struct target_semid_ds |
| { |
| struct target_ipc_perm sem_perm; |
| abi_ulong sem_otime; |
| abi_ulong __unused1; |
| abi_ulong sem_ctime; |
| abi_ulong __unused2; |
| abi_ulong sem_nsems; |
| abi_ulong __unused3; |
| abi_ulong __unused4; |
| }; |
| |
| static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
| abi_ulong target_addr) |
| { |
| struct target_ipc_perm *target_ip; |
| struct target_semid_ds *target_sd; |
| |
| if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
| return -TARGET_EFAULT; |
| target_ip=&(target_sd->sem_perm); |
| host_ip->__key = tswapl(target_ip->__key); |
| host_ip->uid = tswapl(target_ip->uid); |
| host_ip->gid = tswapl(target_ip->gid); |
| host_ip->cuid = tswapl(target_ip->cuid); |
| host_ip->cgid = tswapl(target_ip->cgid); |
| host_ip->mode = tswapl(target_ip->mode); |
| unlock_user_struct(target_sd, target_addr, 0); |
| return 0; |
| } |
| |
| static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
| struct ipc_perm *host_ip) |
| { |
| struct target_ipc_perm *target_ip; |
| struct target_semid_ds *target_sd; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
| return -TARGET_EFAULT; |
| target_ip = &(target_sd->sem_perm); |
| target_ip->__key = tswapl(host_ip->__key); |
| target_ip->uid = tswapl(host_ip->uid); |
| target_ip->gid = tswapl(host_ip->gid); |
| target_ip->cuid = tswapl(host_ip->cuid); |
| target_ip->cgid = tswapl(host_ip->cgid); |
| target_ip->mode = tswapl(host_ip->mode); |
| unlock_user_struct(target_sd, target_addr, 1); |
| return 0; |
| } |
| |
| static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
| abi_ulong target_addr) |
| { |
| struct target_semid_ds *target_sd; |
| |
| if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
| return -TARGET_EFAULT; |
| target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); |
| host_sd->sem_nsems = tswapl(target_sd->sem_nsems); |
| host_sd->sem_otime = tswapl(target_sd->sem_otime); |
| host_sd->sem_ctime = tswapl(target_sd->sem_ctime); |
| unlock_user_struct(target_sd, target_addr, 0); |
| return 0; |
| } |
| |
| static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
| struct semid_ds *host_sd) |
| { |
| struct target_semid_ds *target_sd; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
| return -TARGET_EFAULT; |
| host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); |
| target_sd->sem_nsems = tswapl(host_sd->sem_nsems); |
| target_sd->sem_otime = tswapl(host_sd->sem_otime); |
| target_sd->sem_ctime = tswapl(host_sd->sem_ctime); |
| unlock_user_struct(target_sd, target_addr, 1); |
| return 0; |
| } |
| |
| union semun { |
| int val; |
| struct semid_ds *buf; |
| unsigned short *array; |
| }; |
| |
| union target_semun { |
| int val; |
| abi_long buf; |
| unsigned short int *array; |
| }; |
| |
| static inline abi_long target_to_host_semun(int cmd, |
| union semun *host_su, |
| abi_ulong target_addr, |
| struct semid_ds *ds) |
| { |
| union target_semun *target_su; |
| |
| switch( cmd ) { |
| case IPC_STAT: |
| case IPC_SET: |
| if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) |
| return -TARGET_EFAULT; |
| target_to_host_semid_ds(ds,target_su->buf); |
| host_su->buf = ds; |
| unlock_user_struct(target_su, target_addr, 0); |
| break; |
| case GETVAL: |
| case SETVAL: |
| if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) |
| return -TARGET_EFAULT; |
| host_su->val = tswapl(target_su->val); |
| unlock_user_struct(target_su, target_addr, 0); |
| break; |
| case GETALL: |
| case SETALL: |
| if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) |
| return -TARGET_EFAULT; |
| *host_su->array = tswap16(*target_su->array); |
| unlock_user_struct(target_su, target_addr, 0); |
| break; |
| default: |
| gemu_log("semun operation not fully supported: %d\n", (int)cmd); |
| } |
| return 0; |
| } |
| |
| static inline abi_long host_to_target_semun(int cmd, |
| abi_ulong target_addr, |
| union semun *host_su, |
| struct semid_ds *ds) |
| { |
| union target_semun *target_su; |
| |
| switch( cmd ) { |
| case IPC_STAT: |
| case IPC_SET: |
| if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) |
| return -TARGET_EFAULT; |
| host_to_target_semid_ds(target_su->buf,ds); |
| unlock_user_struct(target_su, target_addr, 1); |
| break; |
| case GETVAL: |
| case SETVAL: |
| if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) |
| return -TARGET_EFAULT; |
| target_su->val = tswapl(host_su->val); |
| unlock_user_struct(target_su, target_addr, 1); |
| break; |
| case GETALL: |
| case SETALL: |
| if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) |
| return -TARGET_EFAULT; |
| *target_su->array = tswap16(*host_su->array); |
| unlock_user_struct(target_su, target_addr, 1); |
| break; |
| default: |
| gemu_log("semun operation not fully supported: %d\n", (int)cmd); |
| } |
| return 0; |
| } |
| |
| static inline abi_long do_semctl(int first, int second, int third, |
| abi_long ptr) |
| { |
| union semun arg; |
| struct semid_ds dsarg; |
| int cmd = third&0xff; |
| abi_long ret = 0; |
| |
| switch( cmd ) { |
| case GETVAL: |
| target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| ret = get_errno(semctl(first, second, cmd, arg)); |
| host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| break; |
| case SETVAL: |
| target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| ret = get_errno(semctl(first, second, cmd, arg)); |
| host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| break; |
| case GETALL: |
| target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| ret = get_errno(semctl(first, second, cmd, arg)); |
| host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| break; |
| case SETALL: |
| target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| ret = get_errno(semctl(first, second, cmd, arg)); |
| host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| break; |
| case IPC_STAT: |
| target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| ret = get_errno(semctl(first, second, cmd, arg)); |
| host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| break; |
| case IPC_SET: |
| target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| ret = get_errno(semctl(first, second, cmd, arg)); |
| host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| break; |
| default: |
| ret = get_errno(semctl(first, second, cmd, arg)); |
| } |
| |
| return ret; |
| } |
| |
| struct target_msqid_ds |
| { |
| struct target_ipc_perm msg_perm; |
| abi_ulong msg_stime; |
| abi_ulong __unused1; |
| abi_ulong msg_rtime; |
| abi_ulong __unused2; |
| abi_ulong msg_ctime; |
| abi_ulong __unused3; |
| abi_ulong __msg_cbytes; |
| abi_ulong msg_qnum; |
| abi_ulong msg_qbytes; |
| abi_ulong msg_lspid; |
| abi_ulong msg_lrpid; |
| abi_ulong __unused4; |
| abi_ulong __unused5; |
| }; |
| |
| static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
| abi_ulong target_addr) |
| { |
| struct target_msqid_ds *target_md; |
| |
| if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
| return -TARGET_EFAULT; |
| target_to_host_ipc_perm(&(host_md->msg_perm),target_addr); |
| host_md->msg_stime = tswapl(target_md->msg_stime); |
| host_md->msg_rtime = tswapl(target_md->msg_rtime); |
| host_md->msg_ctime = tswapl(target_md->msg_ctime); |
| host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); |
| host_md->msg_qnum = tswapl(target_md->msg_qnum); |
| host_md->msg_qbytes = tswapl(target_md->msg_qbytes); |
| host_md->msg_lspid = tswapl(target_md->msg_lspid); |
| host_md->msg_lrpid = tswapl(target_md->msg_lrpid); |
| unlock_user_struct(target_md, target_addr, 0); |
| return 0; |
| } |
| |
| static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
| struct msqid_ds *host_md) |
| { |
| struct target_msqid_ds *target_md; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
| return -TARGET_EFAULT; |
| host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)); |
| target_md->msg_stime = tswapl(host_md->msg_stime); |
| target_md->msg_rtime = tswapl(host_md->msg_rtime); |
| target_md->msg_ctime = tswapl(host_md->msg_ctime); |
| target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); |
| target_md->msg_qnum = tswapl(host_md->msg_qnum); |
| target_md->msg_qbytes = tswapl(host_md->msg_qbytes); |
| target_md->msg_lspid = tswapl(host_md->msg_lspid); |
| target_md->msg_lrpid = tswapl(host_md->msg_lrpid); |
| unlock_user_struct(target_md, target_addr, 1); |
| return 0; |
| } |
| |
| static inline abi_long do_msgctl(int first, int second, abi_long ptr) |
| { |
| struct msqid_ds dsarg; |
| int cmd = second&0xff; |
| abi_long ret = 0; |
| switch( cmd ) { |
| case IPC_STAT: |
| case IPC_SET: |
| target_to_host_msqid_ds(&dsarg,ptr); |
| ret = get_errno(msgctl(first, cmd, &dsarg)); |
| host_to_target_msqid_ds(ptr,&dsarg); |
| default: |
| ret = get_errno(msgctl(first, cmd, &dsarg)); |
| } |
| return ret; |
| } |
| |
| struct target_msgbuf { |
| abi_ulong mtype; |
| char mtext[1]; |
| }; |
| |
| static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
| unsigned int msgsz, int msgflg) |
| { |
| struct target_msgbuf *target_mb; |
| struct msgbuf *host_mb; |
| abi_long ret = 0; |
| |
| if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
| return -TARGET_EFAULT; |
| host_mb = malloc(msgsz+sizeof(long)); |
| host_mb->mtype = tswapl(target_mb->mtype); |
| memcpy(host_mb->mtext,target_mb->mtext,msgsz); |
| ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
| free(host_mb); |
| unlock_user_struct(target_mb, msgp, 0); |
| |
| return ret; |
| } |
| |
| static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
| unsigned int msgsz, int msgtype, |
| int msgflg) |
| { |
| struct target_msgbuf *target_mb; |
| char *target_mtext; |
| struct msgbuf *host_mb; |
| abi_long ret = 0; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
| return -TARGET_EFAULT; |
| host_mb = malloc(msgsz+sizeof(long)); |
| ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg)); |
| if (ret > 0) { |
| abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); |
| target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); |
| if (!target_mtext) { |
| ret = -TARGET_EFAULT; |
| goto end; |
| } |
| memcpy(target_mb->mtext, host_mb->mtext, ret); |
| unlock_user(target_mtext, target_mtext_addr, ret); |
| } |
| target_mb->mtype = tswapl(host_mb->mtype); |
| free(host_mb); |
| |
| end: |
| if (target_mb) |
| unlock_user_struct(target_mb, msgp, 1); |
| return ret; |
| } |
| |
| /* ??? This only works with linear mappings. */ |
| /* do_ipc() must return target values and target errnos. */ |
| static abi_long do_ipc(unsigned int call, int first, |
| int second, int third, |
| abi_long ptr, abi_long fifth) |
| { |
| int version; |
| abi_long ret = 0; |
| struct shmid_ds shm_info; |
| int i; |
| |
| version = call >> 16; |
| call &= 0xffff; |
| |
| switch (call) { |
| case IPCOP_semop: |
| ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second)); |
| break; |
| |
| case IPCOP_semget: |
| ret = get_errno(semget(first, second, third)); |
| break; |
| |
| case IPCOP_semctl: |
| ret = do_semctl(first, second, third, ptr); |
| break; |
| |
| case IPCOP_semtimedop: |
| gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
| ret = -TARGET_ENOSYS; |
| break; |
| |
| case IPCOP_msgget: |
| ret = get_errno(msgget(first, second)); |
| break; |
| |
| case IPCOP_msgsnd: |
| ret = do_msgsnd(first, ptr, second, third); |
| break; |
| |
| case IPCOP_msgctl: |
| ret = do_msgctl(first, second, ptr); |
| break; |
| |
| case IPCOP_msgrcv: |
| { |
| /* XXX: this code is not correct */ |
| struct ipc_kludge |
| { |
| void *__unbounded msgp; |
| long int msgtyp; |
| }; |
| |
| struct ipc_kludge *foo = (struct ipc_kludge *)g2h(ptr); |
| struct msgbuf *msgp = (struct msgbuf *) foo->msgp; |
| |
| ret = do_msgrcv(first, (long)msgp, second, 0, third); |
| |
| } |
| break; |
| |
| case IPCOP_shmat: |
| { |
| abi_ulong raddr; |
| void *host_addr; |
| /* SHM_* flags are the same on all linux platforms */ |
| host_addr = shmat(first, (void *)g2h(ptr), second); |
| if (host_addr == (void *)-1) { |
| ret = get_errno((long)host_addr); |
| break; |
| } |
| raddr = h2g((unsigned long)host_addr); |
| /* find out the length of the shared memory segment */ |
| |
| ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); |
| if (is_error(ret)) { |
| /* can't get length, bail out */ |
| shmdt(host_addr); |
| break; |
| } |
| page_set_flags(raddr, raddr + shm_info.shm_segsz, |
| PAGE_VALID | PAGE_READ | |
| ((second & SHM_RDONLY)? 0: PAGE_WRITE)); |
| for (i = 0; i < N_SHM_REGIONS; ++i) { |
| if (shm_regions[i].start == 0) { |
| shm_regions[i].start = raddr; |
| shm_regions[i].size = shm_info.shm_segsz; |
| break; |
| } |
| } |
| if (put_user_ual(raddr, third)) |
| return -TARGET_EFAULT; |
| ret = 0; |
| } |
| break; |
| case IPCOP_shmdt: |
| for (i = 0; i < N_SHM_REGIONS; ++i) { |
| if (shm_regions[i].start == ptr) { |
| shm_regions[i].start = 0; |
| page_set_flags(ptr, shm_regions[i].size, 0); |
| break; |
| } |
| } |
| ret = get_errno(shmdt((void *)g2h(ptr))); |
| break; |
| |
| case IPCOP_shmget: |
| /* IPC_* flag values are the same on all linux platforms */ |
| ret = get_errno(shmget(first, second, third)); |
| break; |
| |
| /* IPC_* and SHM_* command values are the same on all linux platforms */ |
| case IPCOP_shmctl: |
| switch(second) { |
| case IPC_RMID: |
| case SHM_LOCK: |
| case SHM_UNLOCK: |
| ret = get_errno(shmctl(first, second, NULL)); |
| break; |
| default: |
| goto unimplemented; |
| } |
| break; |
| default: |
| unimplemented: |
| gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
| ret = -TARGET_ENOSYS; |
| break; |
| } |
| return ret; |
| } |
| #endif |
| |
| /* kernel structure types definitions */ |
| #define IFNAMSIZ 16 |
| |
| #define STRUCT(name, list...) STRUCT_ ## name, |
| #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
| enum { |
| #include "syscall_types.h" |
| }; |
| #undef STRUCT |
| #undef STRUCT_SPECIAL |
| |
| #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; |
| #define STRUCT_SPECIAL(name) |
| #include "syscall_types.h" |
| #undef STRUCT |
| #undef STRUCT_SPECIAL |
| |
| typedef struct IOCTLEntry { |
| unsigned int target_cmd; |
| unsigned int host_cmd; |
| const char *name; |
| int access; |
| const argtype arg_type[5]; |
| } IOCTLEntry; |
| |
| #define IOC_R 0x0001 |
| #define IOC_W 0x0002 |
| #define IOC_RW (IOC_R | IOC_W) |
| |
| #define MAX_STRUCT_SIZE 4096 |
| |
| IOCTLEntry ioctl_entries[] = { |
| #define IOCTL(cmd, access, types...) \ |
| { TARGET_ ## cmd, cmd, #cmd, access, { types } }, |
| #include "ioctls.h" |
| { 0, 0, }, |
| }; |
| |
| /* ??? Implement proper locking for ioctls. */ |
| /* do_ioctl() Must return target values and target errnos. */ |
| static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
| { |
| const IOCTLEntry *ie; |
| const argtype *arg_type; |
| abi_long ret; |
| uint8_t buf_temp[MAX_STRUCT_SIZE]; |
| int target_size; |
| void *argptr; |
| |
| ie = ioctl_entries; |
| for(;;) { |
| if (ie->target_cmd == 0) { |
| gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
| return -TARGET_ENOSYS; |
| } |
| if (ie->target_cmd == cmd) |
| break; |
| ie++; |
| } |
| arg_type = ie->arg_type; |
| #if defined(DEBUG) |
| gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
| #endif |
| switch(arg_type[0]) { |
| case TYPE_NULL: |
| /* no argument */ |
| ret = get_errno(ioctl(fd, ie->host_cmd)); |
| break; |
| case TYPE_PTRVOID: |
| case TYPE_INT: |
| /* int argment */ |
| ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
| break; |
| case TYPE_PTR: |
| arg_type++; |
| target_size = thunk_type_size(arg_type, 0); |
| switch(ie->access) { |
| case IOC_R: |
| ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| if (!is_error(ret)) { |
| argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
| if (!argptr) |
| return -TARGET_EFAULT; |
| thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| unlock_user(argptr, arg, target_size); |
| } |
| break; |
| case IOC_W: |
| argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
| if (!argptr) |
| return -TARGET_EFAULT; |
| thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| unlock_user(argptr, arg, 0); |
| ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| break; |
| default: |
| case IOC_RW: |
| argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
| if (!argptr) |
| return -TARGET_EFAULT; |
| thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| unlock_user(argptr, arg, 0); |
| ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| if (!is_error(ret)) { |
| argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
| if (!argptr) |
| return -TARGET_EFAULT; |
| thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| unlock_user(argptr, arg, target_size); |
| } |
| break; |
| } |
| break; |
| default: |
| gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
| (long)cmd, arg_type[0]); |
| ret = -TARGET_ENOSYS; |
| break; |
| } |
| return ret; |
| } |
| |
| bitmask_transtbl iflag_tbl[] = { |
| { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
| { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, |
| { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, |
| { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, |
| { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, |
| { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, |
| { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, |
| { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, |
| { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, |
| { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, |
| { TARGET_IXON, TARGET_IXON, IXON, IXON }, |
| { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, |
| { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, |
| { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| bitmask_transtbl oflag_tbl[] = { |
| { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
| { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, |
| { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, |
| { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, |
| { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, |
| { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, |
| { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, |
| { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, |
| { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, |
| { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, |
| { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, |
| { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, |
| { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, |
| { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, |
| { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, |
| { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, |
| { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, |
| { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, |
| { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, |
| { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, |
| { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, |
| { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, |
| { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, |
| { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| bitmask_transtbl cflag_tbl[] = { |
| { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
| { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, |
| { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, |
| { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, |
| { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, |
| { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, |
| { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, |
| { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, |
| { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, |
| { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, |
| { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, |
| { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, |
| { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, |
| { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, |
| { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, |
| { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, |
| { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, |
| { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, |
| { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, |
| { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, |
| { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, |
| { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, |
| { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, |
| { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, |
| { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, |
| { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, |
| { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, |
| { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, |
| { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, |
| { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, |
| { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| bitmask_transtbl lflag_tbl[] = { |
| { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
| { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, |
| { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, |
| { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, |
| { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, |
| { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, |
| { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, |
| { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, |
| { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, |
| { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, |
| { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, |
| { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, |
| { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, |
| { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, |
| { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| static void target_to_host_termios (void *dst, const void *src) |
| { |
| struct host_termios *host = dst; |
| const struct target_termios *target = src; |
| |
| host->c_iflag = |
| target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
| host->c_oflag = |
| target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
| host->c_cflag = |
| target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
| host->c_lflag = |
| target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
| host->c_line = target->c_line; |
| |
| host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
| host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
| host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
| host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
| host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
| host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
| host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
| host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
| host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
| host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
| host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
| host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
| host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
| host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
| host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
| host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
| host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
| } |
| |
| static void host_to_target_termios (void *dst, const void *src) |
| { |
| struct target_termios *target = dst; |
| const struct host_termios *host = src; |
| |
| target->c_iflag = |
| tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
| target->c_oflag = |
| tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
| target->c_cflag = |
| tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
| target->c_lflag = |
| tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
| target->c_line = host->c_line; |
| |
| target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
| target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
| target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
| target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
| target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
| target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
| target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
| target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
| target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
| target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
| target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
| target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
| target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
| target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
| target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
| target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
| target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
| } |
| |
| StructEntry struct_termios_def = { |
| .convert = { host_to_target_termios, target_to_host_termios }, |
| .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, |
| .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, |
| }; |
| |
| static bitmask_transtbl mmap_flags_tbl[] = { |
| { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
| { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, |
| { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, |
| { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, |
| { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, |
| { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, |
| { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, |
| { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| static bitmask_transtbl fcntl_flags_tbl[] = { |
| { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, |
| { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, |
| { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, |
| { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, |
| { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, |
| { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, |
| { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, |
| { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, |
| { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
| { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, |
| { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, |
| { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, |
| { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, |
| #if defined(O_DIRECT) |
| { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, |
| #endif |
| { 0, 0, 0, 0 } |
| }; |
| |
| #if defined(TARGET_I386) |
| |
| /* NOTE: there is really one LDT for all the threads */ |
| uint8_t *ldt_table; |
| |
| static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
| { |
| int size; |
| void *p; |
| |
| if (!ldt_table) |
| return 0; |
| size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
| if (size > bytecount) |
| size = bytecount; |
| p = lock_user(VERIFY_WRITE, ptr, size, 0); |
| if (!p) |
| return -TARGET_EFAULT; |
| /* ??? Should this by byteswapped? */ |
| memcpy(p, ldt_table, size); |
| unlock_user(p, ptr, size); |
| return size; |
| } |
| |
| /* XXX: add locking support */ |
| static abi_long write_ldt(CPUX86State *env, |
| abi_ulong ptr, unsigned long bytecount, int oldmode) |
| { |
| struct target_modify_ldt_ldt_s ldt_info; |
| struct target_modify_ldt_ldt_s *target_ldt_info; |
| int seg_32bit, contents, read_exec_only, limit_in_pages; |
| int seg_not_present, useable, lm; |
| uint32_t *lp, entry_1, entry_2; |
| |
| if (bytecount != sizeof(ldt_info)) |
| return -TARGET_EINVAL; |
| if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
| return -TARGET_EFAULT; |
| ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
| ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
| ldt_info.limit = tswap32(target_ldt_info->limit); |
| ldt_info.flags = tswap32(target_ldt_info->flags); |
| unlock_user_struct(target_ldt_info, ptr, 0); |
| |
| if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
| return -TARGET_EINVAL; |
| seg_32bit = ldt_info.flags & 1; |
| contents = (ldt_info.flags >> 1) & 3; |
| read_exec_only = (ldt_info.flags >> 3) & 1; |
| limit_in_pages = (ldt_info.flags >> 4) & 1; |
| seg_not_present = (ldt_info.flags >> 5) & 1; |
| useable = (ldt_info.flags >> 6) & 1; |
| #ifdef TARGET_ABI32 |
| lm = 0; |
| #else |
| lm = (ldt_info.flags >> 7) & 1; |
| #endif |
| if (contents == 3) { |
| if (oldmode) |
| return -TARGET_EINVAL; |
| if (seg_not_present == 0) |
| return -TARGET_EINVAL; |
| } |
| /* allocate the LDT */ |
| if (!ldt_table) { |
| ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
| if (!ldt_table) |
| return -TARGET_ENOMEM; |
| memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
| env->ldt.base = h2g((unsigned long)ldt_table); |
| env->ldt.limit = 0xffff; |
| } |
| |
| /* NOTE: same code as Linux kernel */ |
| /* Allow LDTs to be cleared by the user. */ |
| if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| if (oldmode || |
| (contents == 0 && |
| read_exec_only == 1 && |
| seg_32bit == 0 && |
| limit_in_pages == 0 && |
| seg_not_present == 1 && |
| useable == 0 )) { |
| entry_1 = 0; |
| entry_2 = 0; |
| goto install; |
| } |
| } |
| |
| entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| (ldt_info.limit & 0x0ffff); |
| entry_2 = (ldt_info.base_addr & 0xff000000) | |
| ((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| (ldt_info.limit & 0xf0000) | |
| ((read_exec_only ^ 1) << 9) | |
| (contents << 10) | |
| ((seg_not_present ^ 1) << 15) | |
| (seg_32bit << 22) | |
| (limit_in_pages << 23) | |
| (lm << 21) | |
| 0x7000; |
| if (!oldmode) |
| entry_2 |= (useable << 20); |
| |
| /* Install the new entry ... */ |
| install: |
| lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); |
| lp[0] = tswap32(entry_1); |
| lp[1] = tswap32(entry_2); |
| return 0; |
| } |
| |
| /* specific and weird i386 syscalls */ |
| abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
| unsigned long bytecount) |
| { |
| abi_long ret; |
| |
| switch (func) { |
| case 0: |
| ret = read_ldt(ptr, bytecount); |
| break; |
| case 1: |
| ret = write_ldt(env, ptr, bytecount, 1); |
| break; |
| case 0x11: |
| ret = write_ldt(env, ptr, bytecount, 0); |
| break; |
| default: |
| ret = -TARGET_ENOSYS; |
| break; |
| } |
| return ret; |
| } |
| |
| abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
| { |
| uint64_t *gdt_table = g2h(env->gdt.base); |
| struct target_modify_ldt_ldt_s ldt_info; |
| struct target_modify_ldt_ldt_s *target_ldt_info; |
| int seg_32bit, contents, read_exec_only, limit_in_pages; |
| int seg_not_present, useable, lm; |
| uint32_t *lp, entry_1, entry_2; |
| int i; |
| |
| lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); |
| if (!target_ldt_info) |
| return -TARGET_EFAULT; |
| ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
| ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
| ldt_info.limit = tswap32(target_ldt_info->limit); |
| ldt_info.flags = tswap32(target_ldt_info->flags); |
| if (ldt_info.entry_number == -1) { |
| for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { |
| if (gdt_table[i] == 0) { |
| ldt_info.entry_number = i; |
| target_ldt_info->entry_number = tswap32(i); |
| break; |
| } |
| } |
| } |
| unlock_user_struct(target_ldt_info, ptr, 1); |
| |
| if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || |
| ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) |
| return -TARGET_EINVAL; |
| seg_32bit = ldt_info.flags & 1; |
| contents = (ldt_info.flags >> 1) & 3; |
| read_exec_only = (ldt_info.flags >> 3) & 1; |
| limit_in_pages = (ldt_info.flags >> 4) & 1; |
| seg_not_present = (ldt_info.flags >> 5) & 1; |
| useable = (ldt_info.flags >> 6) & 1; |
| #ifdef TARGET_ABI32 |
| lm = 0; |
| #else |
| lm = (ldt_info.flags >> 7) & 1; |
| #endif |
| |
| if (contents == 3) { |
| if (seg_not_present == 0) |
| return -TARGET_EINVAL; |
| } |
| |
| /* NOTE: same code as Linux kernel */ |
| /* Allow LDTs to be cleared by the user. */ |
| if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| if ((contents == 0 && |
| read_exec_only == 1 && |
| seg_32bit == 0 && |
| limit_in_pages == 0 && |
| seg_not_present == 1 && |
| useable == 0 )) { |
| entry_1 = 0; |
| entry_2 = 0; |
| goto install; |
| } |
| } |
| |
| entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| (ldt_info.limit & 0x0ffff); |
| entry_2 = (ldt_info.base_addr & 0xff000000) | |
| ((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| (ldt_info.limit & 0xf0000) | |
| ((read_exec_only ^ 1) << 9) | |
| (contents << 10) | |
| ((seg_not_present ^ 1) << 15) | |
| (seg_32bit << 22) | |
| (limit_in_pages << 23) | |
| (useable << 20) | |
| (lm << 21) | |
| 0x7000; |
| |
| /* Install the new entry ... */ |
| install: |
| lp = (uint32_t *)(gdt_table + ldt_info.entry_number); |
| lp[0] = tswap32(entry_1); |
| lp[1] = tswap32(entry_2); |
| return 0; |
| } |
| |
| abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
| { |
| struct target_modify_ldt_ldt_s *target_ldt_info; |
| uint64_t *gdt_table = g2h(env->gdt.base); |
| uint32_t base_addr, limit, flags; |
| int seg_32bit, contents, read_exec_only, limit_in_pages, idx; |
| int seg_not_present, useable, lm; |
| uint32_t *lp, entry_1, entry_2; |
| |
| lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); |
| if (!target_ldt_info) |
| return -TARGET_EFAULT; |
| idx = tswap32(target_ldt_info->entry_number); |
| if (idx < TARGET_GDT_ENTRY_TLS_MIN || |
| idx > TARGET_GDT_ENTRY_TLS_MAX) { |
| unlock_user_struct(target_ldt_info, ptr, 1); |
| return -TARGET_EINVAL; |
| } |
| lp = (uint32_t *)(gdt_table + idx); |
| entry_1 = tswap32(lp[0]); |
| entry_2 = tswap32(lp[1]); |
| |
| read_exec_only = ((entry_2 >> 9) & 1) ^ 1; |
| contents = (entry_2 >> 10) & 3; |
| seg_not_present = ((entry_2 >> 15) & 1) ^ 1; |
| seg_32bit = (entry_2 >> 22) & 1; |
| limit_in_pages = (entry_2 >> 23) & 1; |
| useable = (entry_2 >> 20) & 1; |
| #ifdef TARGET_ABI32 |
| lm = 0; |
| #else |
| lm = (entry_2 >> 21) & 1; |
| #endif |
| flags = (seg_32bit << 0) | (contents << 1) | |
| (read_exec_only << 3) | (limit_in_pages << 4) | |
| (seg_not_present << 5) | (useable << 6) | (lm << 7); |
| limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); |
| base_addr = (entry_1 >> 16) | |
| (entry_2 & 0xff000000) | |
| ((entry_2 & 0xff) << 16); |
| target_ldt_info->base_addr = tswapl(base_addr); |
| target_ldt_info->limit = tswap32(limit); |
| target_ldt_info->flags = tswap32(flags); |
| unlock_user_struct(target_ldt_info, ptr, 1); |
| return 0; |
| } |
| |
| #ifndef TARGET_ABI32 |
| abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
| { |
| abi_long ret; |
| abi_ulong val; |
| int idx; |
| |
| switch(code) { |
| case TARGET_ARCH_SET_GS: |
| case TARGET_ARCH_SET_FS: |
| if (code == TARGET_ARCH_SET_GS) |
| idx = R_GS; |
| else |
| idx = R_FS; |
| cpu_x86_load_seg(env, idx, 0); |
| env->segs[idx].base = addr; |
| break; |
| case TARGET_ARCH_GET_GS: |
| case TARGET_ARCH_GET_FS: |
| if (code == TARGET_ARCH_GET_GS) |
| idx = R_GS; |
| else |
| idx = R_FS; |
| val = env->segs[idx].base; |
| if (put_user(val, addr, abi_ulong)) |
| return -TARGET_EFAULT; |
| break; |
| default: |
| ret = -TARGET_EINVAL; |
| break; |
| } |
| return 0; |
| } |
| #endif |
| |
| #endif /* defined(TARGET_I386) */ |
| |
| /* this stack is the equivalent of the kernel stack associated with a |
| thread/process */ |
| #define NEW_STACK_SIZE 8192 |
| |
| static int clone_func(void *arg) |
| { |
| CPUState *env = arg; |
| cpu_loop(env); |
| /* never exits */ |
| return 0; |
| } |
| |
| /* do_fork() Must return host values and target errnos (unlike most |
| do_*() functions). */ |
| int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp) |
| { |
| int ret; |
| TaskState *ts; |
| uint8_t *new_stack; |
| CPUState *new_env; |
| |
| if (flags & CLONE_VM) { |
| ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); |
| memset(ts, 0, sizeof(TaskState)); |
| new_stack = ts->stack; |
| ts->used = 1; |
| /* add in task state list */ |
| ts->next = first_task_state; |
| first_task_state = ts; |
| /* we create a new CPU instance. */ |
| new_env = cpu_copy(env); |
| #if defined(TARGET_I386) |
| if (!newsp) |
| newsp = env->regs[R_ESP]; |
| new_env->regs[R_ESP] = newsp; |
| new_env->regs[R_EAX] = 0; |
| #elif defined(TARGET_ARM) |
| if (!newsp) |
| newsp = env->regs[13]; |
| new_env->regs[13] = newsp; |
| new_env->regs[0] = 0; |
| #elif defined(TARGET_SPARC) |
| if (!newsp) |
| newsp = env->regwptr[22]; |
| new_env->regwptr[22] = newsp; |
| new_env->regwptr[0] = 0; |
| /* XXXXX */ |
| printf ("HELPME: %s:%d\n", __FILE__, __LINE__); |
| #elif defined(TARGET_M68K) |
| if (!newsp) |
| newsp = env->aregs[7]; |
| new_env->aregs[7] = newsp; |
| new_env->dregs[0] = 0; |
| /* ??? is this sufficient? */ |
| #elif defined(TARGET_MIPS) |
| if (!newsp) |
| newsp = env->gpr[29][env->current_tc]; |
| new_env->gpr[29][env->current_tc] = newsp; |
| #elif defined(TARGET_PPC) |
| if (!newsp) |
| newsp = env->gpr[1]; |
| new_env->gpr[1] = newsp; |
| { |
| int i; |
| for (i = 7; i < 32; i++) |
| new_env->gpr[i] = 0; |
| } |
| #elif defined(TARGET_SH4) |
| if (!newsp) |
| newsp = env->gregs[15]; |
| new_env->gregs[15] = newsp; |
| /* XXXXX */ |
| #elif defined(TARGET_ALPHA) |
| if (!newsp) |
| newsp = env->ir[30]; |
| new_env->ir[30] = newsp; |
| /* ? */ |
| { |
| int i; |
| for (i = 7; i < 30; i++) |
| new_env->ir[i] = 0; |
| } |
| #elif defined(TARGET_CRIS) |
| if (!newsp) |
| newsp = env->regs[14]; |
| new_env->regs[14] = newsp; |
| #else |
| #error unsupported target CPU |
| #endif |
| new_env->opaque = ts; |
| #ifdef __ia64__ |
| ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
| #else |
| ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
| #endif |
| } else { |
| /* if no CLONE_VM, we consider it is a fork */ |
| if ((flags & ~CSIGNAL) != 0) |
| return -EINVAL; |
| ret = fork(); |
| } |
| return ret; |
| } |
| |
| static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
| { |
| struct flock fl; |
| struct target_flock *target_fl; |
| struct flock64 fl64; |
| struct target_flock64 *target_fl64; |
| abi_long ret; |
| |
| switch(cmd) { |
| case TARGET_F_GETLK: |
| if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
| return -TARGET_EFAULT; |
| fl.l_type = tswap16(target_fl->l_type); |
| fl.l_whence = tswap16(target_fl->l_whence); |
| fl.l_start = tswapl(target_fl->l_start); |
| fl.l_len = tswapl(target_fl->l_len); |
| fl.l_pid = tswapl(target_fl->l_pid); |
| unlock_user_struct(target_fl, arg, 0); |
| ret = get_errno(fcntl(fd, cmd, &fl)); |
| if (ret == 0) { |
| if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
| return -TARGET_EFAULT; |
| target_fl->l_type = tswap16(fl.l_type); |
| target_fl->l_whence = tswap16(fl.l_whence); |
| target_fl->l_start = tswapl(fl.l_start); |
| target_fl->l_len = tswapl(fl.l_len); |
| target_fl->l_pid = tswapl(fl.l_pid); |
| unlock_user_struct(target_fl, arg, 1); |
| } |
| break; |
| |
| case TARGET_F_SETLK: |
| case TARGET_F_SETLKW: |
| if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
| return -TARGET_EFAULT; |
| fl.l_type = tswap16(target_fl->l_type); |
| fl.l_whence = tswap16(target_fl->l_whence); |
| fl.l_start = tswapl(target_fl->l_start); |
| fl.l_len = tswapl(target_fl->l_len); |
| fl.l_pid = tswapl(target_fl->l_pid); |
| unlock_user_struct(target_fl, arg, 0); |
| ret = get_errno(fcntl(fd, cmd, &fl)); |
| break; |
| |
| case TARGET_F_GETLK64: |
| if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
| return -TARGET_EFAULT; |
| fl64.l_type = tswap16(target_fl64->l_type) >> 1; |
| fl64.l_whence = tswap16(target_fl64->l_whence); |
| fl64.l_start = tswapl(target_fl64->l_start); |
| fl64.l_len = tswapl(target_fl64->l_len); |
| fl64.l_pid = tswap16(target_fl64->l_pid); |
| unlock_user_struct(target_fl64, arg, 0); |
| ret = get_errno(fcntl(fd, cmd >> 1, &fl64)); |
| if (ret == 0) { |
| if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
| return -TARGET_EFAULT; |
| target_fl64->l_type = tswap16(fl64.l_type) >> 1; |
| target_fl64->l_whence = tswap16(fl64.l_whence); |
| target_fl64->l_start = tswapl(fl64.l_start); |
| target_fl64->l_len = tswapl(fl64.l_len); |
| target_fl64->l_pid = tswapl(fl64.l_pid); |
| unlock_user_struct(target_fl64, arg, 1); |
| } |
| break; |
| case TARGET_F_SETLK64: |
| case TARGET_F_SETLKW64: |
| if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
| return -TARGET_EFAULT; |
| fl64.l_type = tswap16(target_fl64->l_type) >> 1; |
| fl64.l_whence = tswap16(target_fl64->l_whence); |
| fl64.l_start = tswapl(target_fl64->l_start); |
| fl64.l_len = tswapl(target_fl64->l_len); |
| fl64.l_pid = tswap16(target_fl64->l_pid); |
| unlock_user_struct(target_fl64, arg, 0); |
| ret = get_errno(fcntl(fd, cmd >> 1, &fl64)); |
| break; |
| |
| case F_GETFL: |
| ret = get_errno(fcntl(fd, cmd, arg)); |
| if (ret >= 0) { |
| ret = host_to_target_bitmask(ret, fcntl_flags_tbl); |
| } |
| break; |
| |
| case F_SETFL: |
| ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); |
| break; |
| |
| default: |
| ret = get_errno(fcntl(fd, cmd, arg)); |
| break; |
| } |
| return ret; |
| } |
| |
| #ifdef USE_UID16 |
| |
| static inline int high2lowuid(int uid) |
| { |
| if (uid > 65535) |
| return 65534; |
| else |
| return uid; |
| } |
| |
| static inline int high2lowgid(int gid) |
| { |
| if (gid > 65535) |
| return 65534; |
| else |
| return gid; |
| } |
| |
| static inline int low2highuid(int uid) |
| { |
| if ((int16_t)uid == -1) |
| return -1; |
| else |
| return uid; |
| } |
| |
| static inline int low2highgid(int gid) |
| { |
| if ((int16_t)gid == -1) |
| return -1; |
| else |
| return gid; |
| } |
| |
| #endif /* USE_UID16 */ |
| |
| void syscall_init(void) |
| { |
| IOCTLEntry *ie; |
| const argtype *arg_type; |
| int size; |
| int i; |
| |
| #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
| #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
| #include "syscall_types.h" |
| #undef STRUCT |
| #undef STRUCT_SPECIAL |
| |
| /* we patch the ioctl size if necessary. We rely on the fact that |
| no ioctl has all the bits at '1' in the size field */ |
| ie = ioctl_entries; |
| while (ie->target_cmd != 0) { |
| if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == |
| TARGET_IOC_SIZEMASK) { |
| arg_type = ie->arg_type; |
| if (arg_type[0] != TYPE_PTR) { |
| fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
| ie->target_cmd); |
| exit(1); |
| } |
| arg_type++; |
| size = thunk_type_size(arg_type, 0); |
| ie->target_cmd = (ie->target_cmd & |
| ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
| (size << TARGET_IOC_SIZESHIFT); |
| } |
| |
| /* Build target_to_host_errno_table[] table from |
| * host_to_target_errno_table[]. */ |
| for (i=0; i < ERRNO_TABLE_SIZE; i++) |
| target_to_host_errno_table[host_to_target_errno_table[i]] = i; |
| |
| /* automatic consistency check if same arch */ |
| #if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32) |
| if (ie->target_cmd != ie->host_cmd) { |
| fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", |
| ie->target_cmd, ie->host_cmd); |
| } |
| #endif |
| ie++; |
| } |
| } |
| |
| #if TARGET_ABI_BITS == 32 |
| static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
| { |
| #ifdef TARGET_WORDS_BIG_ENDIAN |
| return ((uint64_t)word0 << 32) | word1; |
| #else |
| return ((uint64_t)word1 << 32) | word0; |
| #endif |
| } |
| #else /* TARGET_ABI_BITS == 32 */ |
| static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
| { |
| return word0; |
| } |
| #endif /* TARGET_ABI_BITS != 32 */ |
| |
| #ifdef TARGET_NR_truncate64 |
| static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
| abi_long arg2, |
| abi_long arg3, |
| abi_long arg4) |
| { |
| #ifdef TARGET_ARM |
| if (((CPUARMState *)cpu_env)->eabi) |
| { |
| arg2 = arg3; |
| arg3 = arg4; |
| } |
| #endif |
| return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
| } |
| #endif |
| |
| #ifdef TARGET_NR_ftruncate64 |
| static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
| abi_long arg2, |
| abi_long arg3, |
| abi_long arg4) |
| { |
| #ifdef TARGET_ARM |
| if (((CPUARMState *)cpu_env)->eabi) |
| { |
| arg2 = arg3; |
| arg3 = arg4; |
| } |
| #endif |
| return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
| } |
| #endif |
| |
| static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
| abi_ulong target_addr) |
| { |
| struct target_timespec *target_ts; |
| |
| if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
| return -TARGET_EFAULT; |
| host_ts->tv_sec = tswapl(target_ts->tv_sec); |
| host_ts->tv_nsec = tswapl(target_ts->tv_nsec); |
| unlock_user_struct(target_ts, target_addr, 0); |
| } |
| |
| static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
| struct timespec *host_ts) |
| { |
| struct target_timespec *target_ts; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
| return -TARGET_EFAULT; |
| target_ts->tv_sec = tswapl(host_ts->tv_sec); |
| target_ts->tv_nsec = tswapl(host_ts->tv_nsec); |
| unlock_user_struct(target_ts, target_addr, 1); |
| } |
| |
| /* do_syscall() should always have a single exit point at the end so |
| that actions, such as logging of syscall results, can be performed. |
| All errnos that do_syscall() returns must be -TARGET_<errcode>. */ |
| abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
| abi_long arg2, abi_long arg3, abi_long arg4, |
| abi_long arg5, abi_long arg6) |
| { |
| abi_long ret; |
| struct stat st; |
| struct statfs stfs; |
| void *p; |
| |
| #ifdef DEBUG |
| gemu_log("syscall %d", num); |
| #endif |
| if(do_strace) |
| print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); |
| |
| switch(num) { |
| case TARGET_NR_exit: |
| #ifdef HAVE_GPROF |
| _mcleanup(); |
| #endif |
| gdb_exit(cpu_env, arg1); |
| /* XXX: should free thread stack and CPU env */ |
| _exit(arg1); |
| ret = 0; /* avoid warning */ |
| break; |
| case TARGET_NR_read: |
| if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
| goto efault; |
| ret = get_errno(read(arg1, p, arg3)); |
| unlock_user(p, arg2, ret); |
| break; |
| case TARGET_NR_write: |
| if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
| goto efault; |
| ret = get_errno(write(arg1, p, arg3)); |
| unlock_user(p, arg2, 0); |
| break; |
| case TARGET_NR_open: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(open(path(p), |
| target_to_host_bitmask(arg2, fcntl_flags_tbl), |
| arg3)); |
| unlock_user(p, arg1, 0); |
| break; |
| #if defined(TARGET_NR_openat) && defined(__NR_openat) |
| case TARGET_NR_openat: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_openat(arg1, |
| path(p), |
| target_to_host_bitmask(arg3, fcntl_flags_tbl), |
| arg4)); |
| unlock_user(p, arg2, 0); |
| break; |
| #endif |
| case TARGET_NR_close: |
| ret = get_errno(close(arg1)); |
| break; |
| case TARGET_NR_brk: |
| ret = do_brk(arg1); |
| break; |
| case TARGET_NR_fork: |
| ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); |
| break; |
| #ifdef TARGET_NR_waitpid |
| case TARGET_NR_waitpid: |
| { |
| int status; |
| ret = get_errno(waitpid(arg1, &status, arg3)); |
| if (!is_error(ret) && arg2 |
| && put_user_s32(status, arg2)) |
| goto efault; |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_creat /* not on alpha */ |
| case TARGET_NR_creat: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(creat(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| case TARGET_NR_link: |
| { |
| void * p2; |
| p = lock_user_string(arg1); |
| p2 = lock_user_string(arg2); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(link(p, p2)); |
| unlock_user(p2, arg2, 0); |
| unlock_user(p, arg1, 0); |
| } |
| break; |
| #if defined(TARGET_NR_linkat) && defined(__NR_linkat) |
| case TARGET_NR_linkat: |
| { |
| void * p2 = NULL; |
| if (!arg2 || !arg4) |
| goto efault; |
| p = lock_user_string(arg2); |
| p2 = lock_user_string(arg4); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); |
| unlock_user(p, arg2, 0); |
| unlock_user(p2, arg4, 0); |
| } |
| break; |
| #endif |
| case TARGET_NR_unlink: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(unlink(p)); |
| unlock_user(p, arg1, 0); |
| break; |
| #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) |
| case TARGET_NR_unlinkat: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_unlinkat(arg1, p, arg3)); |
| unlock_user(p, arg2, 0); |
| #endif |
| case TARGET_NR_execve: |
| { |
| char **argp, **envp; |
| int argc, envc; |
| abi_ulong gp; |
| abi_ulong guest_argp; |
| abi_ulong guest_envp; |
| abi_ulong addr; |
| char **q; |
| |
| argc = 0; |
| guest_argp = arg2; |
| for (gp = guest_argp; ; gp++) { |
| if (get_user_ual(guest_argp, gp)) |
| goto efault; |
| if (!guest_argp) |
| break; |
| argc++; |
| } |
| envc = 0; |
| guest_envp = arg3; |
| for (gp = guest_envp; ; gp++) { |
| if (get_user_ual(guest_envp, gp)) |
| goto efault; |
| if (!guest_envp) |
| break; |
| envc++; |
| } |
| |
| argp = alloca((argc + 1) * sizeof(void *)); |
| envp = alloca((envc + 1) * sizeof(void *)); |
| |
| for (gp = guest_argp, q = argp; ; |
| gp += sizeof(abi_ulong), q++) { |
| if (get_user_ual(addr, gp)) |
| goto execve_efault; |
| if (!addr) |
| break; |
| if (!(*q = lock_user_string(addr))) |
| goto execve_efault; |
| } |
| *q = NULL; |
| |
| for (gp = guest_envp, q = envp; ; |
| gp += sizeof(abi_ulong), q++) { |
| if (get_user_ual(addr, gp)) |
| goto execve_efault; |
| if (!addr) |
| break; |
| if (!(*q = lock_user_string(addr))) |
| goto execve_efault; |
| } |
| *q = NULL; |
| |
| if (!(p = lock_user_string(arg1))) |
| goto execve_efault; |
| ret = get_errno(execve(p, argp, envp)); |
| unlock_user(p, arg1, 0); |
| |
| goto execve_end; |
| |
| execve_efault: |
| ret = -TARGET_EFAULT; |
| |
| execve_end: |
| for (gp = guest_argp, q = argp; *q; |
| gp += sizeof(abi_ulong), q++) { |
| if (get_user_ual(addr, gp) |
| || !addr) |
| break; |
| unlock_user(*q, addr, 0); |
| } |
| for (gp = guest_envp, q = envp; *q; |
| gp += sizeof(abi_ulong), q++) { |
| if (get_user_ual(addr, gp) |
| || !addr) |
| break; |
| unlock_user(*q, addr, 0); |
| } |
| } |
| break; |
| case TARGET_NR_chdir: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(chdir(p)); |
| unlock_user(p, arg1, 0); |
| break; |
| #ifdef TARGET_NR_time |
| case TARGET_NR_time: |
| { |
| time_t host_time; |
| ret = get_errno(time(&host_time)); |
| if (!is_error(ret) |
| && arg1 |
| && put_user_sal(host_time, arg1)) |
| goto efault; |
| } |
| break; |
| #endif |
| case TARGET_NR_mknod: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(mknod(p, arg2, arg3)); |
| unlock_user(p, arg1, 0); |
| break; |
| #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) |
| case TARGET_NR_mknodat: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); |
| unlock_user(p, arg2, 0); |
| break; |
| #endif |
| case TARGET_NR_chmod: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(chmod(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| #ifdef TARGET_NR_break |
| case TARGET_NR_break: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_oldstat |
| case TARGET_NR_oldstat: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_lseek: |
| ret = get_errno(lseek(arg1, arg2, arg3)); |
| break; |
| #ifdef TARGET_NR_getxpid |
| case TARGET_NR_getxpid: |
| #else |
| case TARGET_NR_getpid: |
| #endif |
| ret = get_errno(getpid()); |
| break; |
| case TARGET_NR_mount: |
| { |
| /* need to look at the data field */ |
| void *p2, *p3; |
| p = lock_user_string(arg1); |
| p2 = lock_user_string(arg2); |
| p3 = lock_user_string(arg3); |
| if (!p || !p2 || !p3) |
| ret = -TARGET_EFAULT; |
| else |
| /* FIXME - arg5 should be locked, but it isn't clear how to |
| * do that since it's not guaranteed to be a NULL-terminated |
| * string. |
| */ |
| ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); |
| unlock_user(p, arg1, 0); |
| unlock_user(p2, arg2, 0); |
| unlock_user(p3, arg3, 0); |
| break; |
| } |
| #ifdef TARGET_NR_umount |
| case TARGET_NR_umount: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(umount(p)); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_stime /* not on alpha */ |
| case TARGET_NR_stime: |
| { |
| time_t host_time; |
| if (get_user_sal(host_time, arg1)) |
| goto efault; |
| ret = get_errno(stime(&host_time)); |
| } |
| break; |
| #endif |
| case TARGET_NR_ptrace: |
| goto unimplemented; |
| #ifdef TARGET_NR_alarm /* not on alpha */ |
| case TARGET_NR_alarm: |
| ret = alarm(arg1); |
| break; |
| #endif |
| #ifdef TARGET_NR_oldfstat |
| case TARGET_NR_oldfstat: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_pause /* not on alpha */ |
| case TARGET_NR_pause: |
| ret = get_errno(pause()); |
| break; |
| #endif |
| #ifdef TARGET_NR_utime |
| case TARGET_NR_utime: |
| { |
| struct utimbuf tbuf, *host_tbuf; |
| struct target_utimbuf *target_tbuf; |
| if (arg2) { |
| if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
| goto efault; |
| tbuf.actime = tswapl(target_tbuf->actime); |
| tbuf.modtime = tswapl(target_tbuf->modtime); |
| unlock_user_struct(target_tbuf, arg2, 0); |
| host_tbuf = &tbuf; |
| } else { |
| host_tbuf = NULL; |
| } |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(utime(p, host_tbuf)); |
| unlock_user(p, arg1, 0); |
| } |
| break; |
| #endif |
| case TARGET_NR_utimes: |
| { |
| struct timeval *tvp, tv[2]; |
| if (arg2) { |
| target_to_host_timeval(&tv[0], arg2); |
| target_to_host_timeval(&tv[1], |
| arg2 + sizeof (struct target_timeval)); |
| tvp = tv; |
| } else { |
| tvp = NULL; |
| } |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(utimes(p, tvp)); |
| unlock_user(p, arg1, 0); |
| } |
| break; |
| #ifdef TARGET_NR_stty |
| case TARGET_NR_stty: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_gtty |
| case TARGET_NR_gtty: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_access: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(access(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
| case TARGET_NR_faccessat: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_faccessat(arg1, p, arg3, arg4)); |
| unlock_user(p, arg2, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_nice /* not on alpha */ |
| case TARGET_NR_nice: |
| ret = get_errno(nice(arg1)); |
| break; |
| #endif |
| #ifdef TARGET_NR_ftime |
| case TARGET_NR_ftime: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_sync: |
| sync(); |
| ret = 0; |
| break; |
| case TARGET_NR_kill: |
| ret = get_errno(kill(arg1, arg2)); |
| break; |
| case TARGET_NR_rename: |
| { |
| void *p2; |
| p = lock_user_string(arg1); |
| p2 = lock_user_string(arg2); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(rename(p, p2)); |
| unlock_user(p2, arg2, 0); |
| unlock_user(p, arg1, 0); |
| } |
| break; |
| #if defined(TARGET_NR_renameat) && defined(__NR_renameat) |
| case TARGET_NR_renameat: |
| { |
| void *p2; |
| p = lock_user_string(arg2); |
| p2 = lock_user_string(arg4); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(sys_renameat(arg1, p, arg3, p2)); |
| unlock_user(p2, arg4, 0); |
| unlock_user(p, arg2, 0); |
| } |
| break; |
| #endif |
| case TARGET_NR_mkdir: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(mkdir(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) |
| case TARGET_NR_mkdirat: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_mkdirat(arg1, p, arg3)); |
| unlock_user(p, arg2, 0); |
| break; |
| #endif |
| case TARGET_NR_rmdir: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(rmdir(p)); |
| unlock_user(p, arg1, 0); |
| break; |
| case TARGET_NR_dup: |
| ret = get_errno(dup(arg1)); |
| break; |
| case TARGET_NR_pipe: |
| { |
| int host_pipe[2]; |
| ret = get_errno(pipe(host_pipe)); |
| if (!is_error(ret)) { |
| #if defined(TARGET_MIPS) |
| CPUMIPSState *env = (CPUMIPSState*)cpu_env; |
| env->gpr[3][env->current_tc] = host_pipe[1]; |
| ret = host_pipe[0]; |
| #else |
| if (put_user_s32(host_pipe[0], arg1) |
| || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0]))) |
| goto efault; |
| #endif |
| } |
| } |
| break; |
| case TARGET_NR_times: |
| { |
| struct target_tms *tmsp; |
| struct tms tms; |
| ret = get_errno(times(&tms)); |
| if (arg1) { |
| tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
| if (!tmsp) |
| goto efault; |
| tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); |
| tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); |
| tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); |
| tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); |
| } |
| if (!is_error(ret)) |
| ret = host_to_target_clock_t(ret); |
| } |
| break; |
| #ifdef TARGET_NR_prof |
| case TARGET_NR_prof: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_signal |
| case TARGET_NR_signal: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_acct: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(acct(path(p))); |
| unlock_user(p, arg1, 0); |
| break; |
| #ifdef TARGET_NR_umount2 /* not on alpha */ |
| case TARGET_NR_umount2: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(umount2(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_lock |
| case TARGET_NR_lock: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_ioctl: |
| ret = do_ioctl(arg1, arg2, arg3); |
| break; |
| case TARGET_NR_fcntl: |
| ret = do_fcntl(arg1, arg2, arg3); |
| break; |
| #ifdef TARGET_NR_mpx |
| case TARGET_NR_mpx: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_setpgid: |
| ret = get_errno(setpgid(arg1, arg2)); |
| break; |
| #ifdef TARGET_NR_ulimit |
| case TARGET_NR_ulimit: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_oldolduname |
| case TARGET_NR_oldolduname: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_umask: |
| ret = get_errno(umask(arg1)); |
| break; |
| case TARGET_NR_chroot: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(chroot(p)); |
| unlock_user(p, arg1, 0); |
| break; |
| case TARGET_NR_ustat: |
| goto unimplemented; |
| case TARGET_NR_dup2: |
| ret = get_errno(dup2(arg1, arg2)); |
| break; |
| #ifdef TARGET_NR_getppid /* not on alpha */ |
| case TARGET_NR_getppid: |
| ret = get_errno(getppid()); |
| break; |
| #endif |
| case TARGET_NR_getpgrp: |
| ret = get_errno(getpgrp()); |
| break; |
| case TARGET_NR_setsid: |
| ret = get_errno(setsid()); |
| break; |
| #ifdef TARGET_NR_sigaction |
| case TARGET_NR_sigaction: |
| { |
| #if !defined(TARGET_MIPS) |
| struct target_old_sigaction *old_act; |
| struct target_sigaction act, oact, *pact; |
| if (arg2) { |
| if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
| goto efault; |
| act._sa_handler = old_act->_sa_handler; |
| target_siginitset(&act.sa_mask, old_act->sa_mask); |
| act.sa_flags = old_act->sa_flags; |
| act.sa_restorer = old_act->sa_restorer; |
| unlock_user_struct(old_act, arg2, 0); |
| pact = &act; |
| } else { |
| pact = NULL; |
| } |
| ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| if (!is_error(ret) && arg3) { |
| if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
| goto efault; |
| old_act->_sa_handler = oact._sa_handler; |
| old_act->sa_mask = oact.sa_mask.sig[0]; |
| old_act->sa_flags = oact.sa_flags; |
| old_act->sa_restorer = oact.sa_restorer; |
| unlock_user_struct(old_act, arg3, 1); |
| } |
| #else |
| struct target_sigaction act, oact, *pact, *old_act; |
| |
| if (arg2) { |
| if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
| goto efault; |
| act._sa_handler = old_act->_sa_handler; |
| target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); |
| act.sa_flags = old_act->sa_flags; |
| unlock_user_struct(old_act, arg2, 0); |
| pact = &act; |
| } else { |
| pact = NULL; |
| } |
| |
| ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| |
| if (!is_error(ret) && arg3) { |
| if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
| goto efault; |
| old_act->_sa_handler = oact._sa_handler; |
| old_act->sa_flags = oact.sa_flags; |
| old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; |
| old_act->sa_mask.sig[1] = 0; |
| old_act->sa_mask.sig[2] = 0; |
| old_act->sa_mask.sig[3] = 0; |
| unlock_user_struct(old_act, arg3, 1); |
| } |
| #endif |
| } |
| break; |
| #endif |
| case TARGET_NR_rt_sigaction: |
| { |
| struct target_sigaction *act; |
| struct target_sigaction *oact; |
| |
| if (arg2) { |
| if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) |
| goto efault; |
| } else |
| act = NULL; |
| if (arg3) { |
| if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
| ret = -TARGET_EFAULT; |
| goto rt_sigaction_fail; |
| } |
| } else |
| oact = NULL; |
| ret = get_errno(do_sigaction(arg1, act, oact)); |
| rt_sigaction_fail: |
| if (act) |
| unlock_user_struct(act, arg2, 0); |
| if (oact) |
| unlock_user_struct(oact, arg3, 1); |
| } |
| break; |
| #ifdef TARGET_NR_sgetmask /* not on alpha */ |
| case TARGET_NR_sgetmask: |
| { |
| sigset_t cur_set; |
| abi_ulong target_set; |
| sigprocmask(0, NULL, &cur_set); |
| host_to_target_old_sigset(&target_set, &cur_set); |
| ret = target_set; |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_ssetmask /* not on alpha */ |
| case TARGET_NR_ssetmask: |
| { |
| sigset_t set, oset, cur_set; |
| abi_ulong target_set = arg1; |
| sigprocmask(0, NULL, &cur_set); |
| target_to_host_old_sigset(&set, &target_set); |
| sigorset(&set, &set, &cur_set); |
| sigprocmask(SIG_SETMASK, &set, &oset); |
| host_to_target_old_sigset(&target_set, &oset); |
| ret = target_set; |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_sigprocmask |
| case TARGET_NR_sigprocmask: |
| { |
| int how = arg1; |
| sigset_t set, oldset, *set_ptr; |
| |
| if (arg2) { |
| switch(how) { |
| case TARGET_SIG_BLOCK: |
| how = SIG_BLOCK; |
| break; |
| case TARGET_SIG_UNBLOCK: |
| how = SIG_UNBLOCK; |
| break; |
| case TARGET_SIG_SETMASK: |
| how = SIG_SETMASK; |
| break; |
| default: |
| ret = -TARGET_EINVAL; |
| goto fail; |
| } |
| if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
| goto efault; |
| target_to_host_old_sigset(&set, p); |
| unlock_user(p, arg2, 0); |
| set_ptr = &set; |
| } else { |
| how = 0; |
| set_ptr = NULL; |
| } |
| ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); |
| if (!is_error(ret) && arg3) { |
| if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
| goto efault; |
| host_to_target_old_sigset(p, &oldset); |
| unlock_user(p, arg3, sizeof(target_sigset_t)); |
| } |
| } |
| break; |
| #endif |
| case TARGET_NR_rt_sigprocmask: |
| { |
| int how = arg1; |
| sigset_t set, oldset, *set_ptr; |
| |
| if (arg2) { |
| switch(how) { |
| case TARGET_SIG_BLOCK: |
| how = SIG_BLOCK; |
| break; |
| case TARGET_SIG_UNBLOCK: |
| how = SIG_UNBLOCK; |
| break; |
| case TARGET_SIG_SETMASK: |
| how = SIG_SETMASK; |
| break; |
| default: |
| ret = -TARGET_EINVAL; |
| goto fail; |
| } |
| if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
| goto efault; |
| target_to_host_sigset(&set, p); |
| unlock_user(p, arg2, 0); |
| set_ptr = &set; |
| } else { |
| how = 0; |
| set_ptr = NULL; |
| } |
| ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
| if (!is_error(ret) && arg3) { |
| if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
| goto efault; |
| host_to_target_sigset(p, &oldset); |
| unlock_user(p, arg3, sizeof(target_sigset_t)); |
| } |
| } |
| break; |
| #ifdef TARGET_NR_sigpending |
| case TARGET_NR_sigpending: |
| { |
| sigset_t set; |
| ret = get_errno(sigpending(&set)); |
| if (!is_error(ret)) { |
| if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
| goto efault; |
| host_to_target_old_sigset(p, &set); |
| unlock_user(p, arg1, sizeof(target_sigset_t)); |
| } |
| } |
| break; |
| #endif |
| case TARGET_NR_rt_sigpending: |
| { |
| sigset_t set; |
| ret = get_errno(sigpending(&set)); |
| if (!is_error(ret)) { |
| if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
| goto efault; |
| host_to_target_sigset(p, &set); |
| unlock_user(p, arg1, sizeof(target_sigset_t)); |
| } |
| } |
| break; |
| #ifdef TARGET_NR_sigsuspend |
| case TARGET_NR_sigsuspend: |
| { |
| sigset_t set; |
| if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| goto efault; |
| target_to_host_old_sigset(&set, p); |
| unlock_user(p, arg1, 0); |
| ret = get_errno(sigsuspend(&set)); |
| } |
| break; |
| #endif |
| case TARGET_NR_rt_sigsuspend: |
| { |
| sigset_t set; |
| if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| goto efault; |
| target_to_host_sigset(&set, p); |
| unlock_user(p, arg1, 0); |
| ret = get_errno(sigsuspend(&set)); |
| } |
| break; |
| case TARGET_NR_rt_sigtimedwait: |
| { |
| sigset_t set; |
| struct timespec uts, *puts; |
| siginfo_t uinfo; |
| |
| if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| goto efault; |
| target_to_host_sigset(&set, p); |
| unlock_user(p, arg1, 0); |
| if (arg3) { |
| puts = &uts; |
| target_to_host_timespec(puts, arg3); |
| } else { |
| puts = NULL; |
| } |
| ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
| if (!is_error(ret) && arg2) { |
| if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_sigset_t), 0))) |
| goto efault; |
| host_to_target_siginfo(p, &uinfo); |
| unlock_user(p, arg2, sizeof(target_sigset_t)); |
| } |
| } |
| break; |
| case TARGET_NR_rt_sigqueueinfo: |
| { |
| siginfo_t uinfo; |
| if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
| goto efault; |
| target_to_host_siginfo(&uinfo, p); |
| unlock_user(p, arg1, 0); |
| ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
| } |
| break; |
| #ifdef TARGET_NR_sigreturn |
| case TARGET_NR_sigreturn: |
| /* NOTE: ret is eax, so not transcoding must be done */ |
| ret = do_sigreturn(cpu_env); |
| break; |
| #endif |
| case TARGET_NR_rt_sigreturn: |
| /* NOTE: ret is eax, so not transcoding must be done */ |
| ret = do_rt_sigreturn(cpu_env); |
| break; |
| case TARGET_NR_sethostname: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(sethostname(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| case TARGET_NR_setrlimit: |
| { |
| /* XXX: convert resource ? */ |
| int resource = arg1; |
| struct target_rlimit *target_rlim; |
| struct rlimit rlim; |
| if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
| goto efault; |
| rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
| rlim.rlim_max = tswapl(target_rlim->rlim_max); |
| unlock_user_struct(target_rlim, arg2, 0); |
| ret = get_errno(setrlimit(resource, &rlim)); |
| } |
| break; |
| case TARGET_NR_getrlimit: |
| { |
| /* XXX: convert resource ? */ |
| int resource = arg1; |
| struct target_rlimit *target_rlim; |
| struct rlimit rlim; |
| |
| ret = get_errno(getrlimit(resource, &rlim)); |
| if (!is_error(ret)) { |
| if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
| goto efault; |
| rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
| rlim.rlim_max = tswapl(target_rlim->rlim_max); |
| unlock_user_struct(target_rlim, arg2, 1); |
| } |
| } |
| break; |
| case TARGET_NR_getrusage: |
| { |
| struct rusage rusage; |
| ret = get_errno(getrusage(arg1, &rusage)); |
| if (!is_error(ret)) { |
| host_to_target_rusage(arg2, &rusage); |
| } |
| } |
| break; |
| case TARGET_NR_gettimeofday: |
| { |
| struct timeval tv; |
| ret = get_errno(gettimeofday(&tv, NULL)); |
| if (!is_error(ret)) { |
| host_to_target_timeval(arg1, &tv); |
| } |
| } |
| break; |
| case TARGET_NR_settimeofday: |
| { |
| struct timeval tv; |
| target_to_host_timeval(&tv, arg1); |
| ret = get_errno(settimeofday(&tv, NULL)); |
| } |
| break; |
| #ifdef TARGET_NR_select |
| case TARGET_NR_select: |
| { |
| struct target_sel_arg_struct *sel; |
| abi_ulong inp, outp, exp, tvp; |
| long nsel; |
| |
| if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
| goto efault; |
| nsel = tswapl(sel->n); |
| inp = tswapl(sel->inp); |
| outp = tswapl(sel->outp); |
| exp = tswapl(sel->exp); |
| tvp = tswapl(sel->tvp); |
| unlock_user_struct(sel, arg1, 0); |
| ret = do_select(nsel, inp, outp, exp, tvp); |
| } |
| break; |
| #endif |
| case TARGET_NR_symlink: |
| { |
| void *p2; |
| p = lock_user_string(arg1); |
| p2 = lock_user_string(arg2); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(symlink(p, p2)); |
| unlock_user(p2, arg2, 0); |
| unlock_user(p, arg1, 0); |
| } |
| break; |
| #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) |
| case TARGET_NR_symlinkat: |
| { |
| void *p2; |
| p = lock_user_string(arg1); |
| p2 = lock_user_string(arg3); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(sys_symlinkat(p, arg2, p2)); |
| unlock_user(p2, arg3, 0); |
| unlock_user(p, arg1, 0); |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_oldlstat |
| case TARGET_NR_oldlstat: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_readlink: |
| { |
| void *p2; |
| p = lock_user_string(arg1); |
| p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(readlink(path(p), p2, arg3)); |
| unlock_user(p2, arg2, ret); |
| unlock_user(p, arg1, 0); |
| } |
| break; |
| #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) |
| case TARGET_NR_readlinkat: |
| { |
| void *p2; |
| p = lock_user_string(arg2); |
| p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
| if (!p || !p2) |
| ret = -TARGET_EFAULT; |
| else |
| ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); |
| unlock_user(p2, arg3, ret); |
| unlock_user(p, arg2, 0); |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_uselib |
| case TARGET_NR_uselib: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_swapon |
| case TARGET_NR_swapon: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(swapon(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| case TARGET_NR_reboot: |
| goto unimplemented; |
| #ifdef TARGET_NR_readdir |
| case TARGET_NR_readdir: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_mmap |
| case TARGET_NR_mmap: |
| #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) |
| { |
| abi_ulong *v; |
| abi_ulong v1, v2, v3, v4, v5, v6; |
| if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
| goto efault; |
| v1 = tswapl(v[0]); |
| v2 = tswapl(v[1]); |
| v3 = tswapl(v[2]); |
| v4 = tswapl(v[3]); |
| v5 = tswapl(v[4]); |
| v6 = tswapl(v[5]); |
| unlock_user(v, arg1, 0); |
| ret = get_errno(target_mmap(v1, v2, v3, |
| target_to_host_bitmask(v4, mmap_flags_tbl), |
| v5, v6)); |
| } |
| #else |
| ret = get_errno(target_mmap(arg1, arg2, arg3, |
| target_to_host_bitmask(arg4, mmap_flags_tbl), |
| arg5, |
| arg6)); |
| #endif |
| break; |
| #endif |
| #ifdef TARGET_NR_mmap2 |
| case TARGET_NR_mmap2: |
| #if defined(TARGET_SPARC) || defined(TARGET_MIPS) |
| #define MMAP_SHIFT 12 |
| #else |
| #define MMAP_SHIFT TARGET_PAGE_BITS |
| #endif |
| ret = get_errno(target_mmap(arg1, arg2, arg3, |
| target_to_host_bitmask(arg4, mmap_flags_tbl), |
| arg5, |
| arg6 << MMAP_SHIFT)); |
| break; |
| #endif |
| case TARGET_NR_munmap: |
| ret = get_errno(target_munmap(arg1, arg2)); |
| break; |
| case TARGET_NR_mprotect: |
| ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
| break; |
| #ifdef TARGET_NR_mremap |
| case TARGET_NR_mremap: |
| ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
| break; |
| #endif |
| /* ??? msync/mlock/munlock are broken for softmmu. */ |
| #ifdef TARGET_NR_msync |
| case TARGET_NR_msync: |
| ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
| break; |
| #endif |
| #ifdef TARGET_NR_mlock |
| case TARGET_NR_mlock: |
| ret = get_errno(mlock(g2h(arg1), arg2)); |
| break; |
| #endif |
| #ifdef TARGET_NR_munlock |
| case TARGET_NR_munlock: |
| ret = get_errno(munlock(g2h(arg1), arg2)); |
| break; |
| #endif |
| #ifdef TARGET_NR_mlockall |
| case TARGET_NR_mlockall: |
| ret = get_errno(mlockall(arg1)); |
| break; |
| #endif |
| #ifdef TARGET_NR_munlockall |
| case TARGET_NR_munlockall: |
| ret = get_errno(munlockall()); |
| break; |
| #endif |
| case TARGET_NR_truncate: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(truncate(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| case TARGET_NR_ftruncate: |
| ret = get_errno(ftruncate(arg1, arg2)); |
| break; |
| case TARGET_NR_fchmod: |
| ret = get_errno(fchmod(arg1, arg2)); |
| break; |
| #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) |
| case TARGET_NR_fchmodat: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4)); |
| unlock_user(p, arg2, 0); |
| break; |
| #endif |
| case TARGET_NR_getpriority: |
| /* libc does special remapping of the return value of |
| * sys_getpriority() so it's just easiest to call |
| * sys_getpriority() directly rather than through libc. */ |
| ret = sys_getpriority(arg1, arg2); |
| break; |
| case TARGET_NR_setpriority: |
| ret = get_errno(setpriority(arg1, arg2, arg3)); |
| break; |
| #ifdef TARGET_NR_profil |
| case TARGET_NR_profil: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_statfs: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(statfs(path(p), &stfs)); |
| unlock_user(p, arg1, 0); |
| convert_statfs: |
| if (!is_error(ret)) { |
| struct target_statfs *target_stfs; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
| goto efault; |
| __put_user(stfs.f_type, &target_stfs->f_type); |
| __put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| __put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| __put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| __put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| __put_user(stfs.f_files, &target_stfs->f_files); |
| __put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
| __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
| __put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| unlock_user_struct(target_stfs, arg2, 1); |
| } |
| break; |
| case TARGET_NR_fstatfs: |
| ret = get_errno(fstatfs(arg1, &stfs)); |
| goto convert_statfs; |
| #ifdef TARGET_NR_statfs64 |
| case TARGET_NR_statfs64: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(statfs(path(p), &stfs)); |
| unlock_user(p, arg1, 0); |
| convert_statfs64: |
| if (!is_error(ret)) { |
| struct target_statfs64 *target_stfs; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
| goto efault; |
| __put_user(stfs.f_type, &target_stfs->f_type); |
| __put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| __put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| __put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| __put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| __put_user(stfs.f_files, &target_stfs->f_files); |
| __put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
| __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
| __put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| unlock_user_struct(target_stfs, arg3, 1); |
| } |
| break; |
| case TARGET_NR_fstatfs64: |
| ret = get_errno(fstatfs(arg1, &stfs)); |
| goto convert_statfs64; |
| #endif |
| #ifdef TARGET_NR_ioperm |
| case TARGET_NR_ioperm: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_socketcall |
| case TARGET_NR_socketcall: |
| ret = do_socketcall(arg1, arg2); |
| break; |
| #endif |
| #ifdef TARGET_NR_accept |
| case TARGET_NR_accept: |
| ret = do_accept(arg1, arg2, arg3); |
| break; |
| #endif |
| #ifdef TARGET_NR_bind |
| case TARGET_NR_bind: |
| ret = do_bind(arg1, arg2, arg3); |
| break; |
| #endif |
| #ifdef TARGET_NR_connect |
| case TARGET_NR_connect: |
| ret = do_connect(arg1, arg2, arg3); |
| break; |
| #endif |
| #ifdef TARGET_NR_getpeername |
| case TARGET_NR_getpeername: |
| ret = do_getpeername(arg1, arg2, arg3); |
| break; |
| #endif |
| #ifdef TARGET_NR_getsockname |
| case TARGET_NR_getsockname: |
| ret = do_getsockname(arg1, arg2, arg3); |
| break; |
| #endif |
| #ifdef TARGET_NR_getsockopt |
| case TARGET_NR_getsockopt: |
| ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
| break; |
| #endif |
| #ifdef TARGET_NR_listen |
| case TARGET_NR_listen: |
| ret = get_errno(listen(arg1, arg2)); |
| break; |
| #endif |
| #ifdef TARGET_NR_recv |
| case TARGET_NR_recv: |
| ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_recvfrom |
| case TARGET_NR_recvfrom: |
| ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
| break; |
| #endif |
| #ifdef TARGET_NR_recvmsg |
| case TARGET_NR_recvmsg: |
| ret = do_sendrecvmsg(arg1, arg2, arg3, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_send |
| case TARGET_NR_send: |
| ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_sendmsg |
| case TARGET_NR_sendmsg: |
| ret = do_sendrecvmsg(arg1, arg2, arg3, 1); |
| break; |
| #endif |
| #ifdef TARGET_NR_sendto |
| case TARGET_NR_sendto: |
| ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
| break; |
| #endif |
| #ifdef TARGET_NR_shutdown |
| case TARGET_NR_shutdown: |
| ret = get_errno(shutdown(arg1, arg2)); |
| break; |
| #endif |
| #ifdef TARGET_NR_socket |
| case TARGET_NR_socket: |
| ret = do_socket(arg1, arg2, arg3); |
| break; |
| #endif |
| #ifdef TARGET_NR_socketpair |
| case TARGET_NR_socketpair: |
| ret = do_socketpair(arg1, arg2, arg3, arg4); |
| break; |
| #endif |
| #ifdef TARGET_NR_setsockopt |
| case TARGET_NR_setsockopt: |
| ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
| break; |
| #endif |
| |
| case TARGET_NR_syslog: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
| unlock_user(p, arg2, 0); |
| break; |
| |
| case TARGET_NR_setitimer: |
| { |
| struct itimerval value, ovalue, *pvalue; |
| |
| if (arg2) { |
| pvalue = &value; |
| target_to_host_timeval(&pvalue->it_interval, |
| arg2); |
| target_to_host_timeval(&pvalue->it_value, |
| arg2 + sizeof(struct target_timeval)); |
| } else { |
| pvalue = NULL; |
| } |
| ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
| if (!is_error(ret) && arg3) { |
| host_to_target_timeval(arg3, |
| &ovalue.it_interval); |
| host_to_target_timeval(arg3 + sizeof(struct target_timeval), |
| &ovalue.it_value); |
| } |
| } |
| break; |
| case TARGET_NR_getitimer: |
| { |
| struct itimerval value; |
| |
| ret = get_errno(getitimer(arg1, &value)); |
| if (!is_error(ret) && arg2) { |
| host_to_target_timeval(arg2, |
| &value.it_interval); |
| host_to_target_timeval(arg2 + sizeof(struct target_timeval), |
| &value.it_value); |
| } |
| } |
| break; |
| case TARGET_NR_stat: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(stat(path(p), &st)); |
| unlock_user(p, arg1, 0); |
| goto do_stat; |
| case TARGET_NR_lstat: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(lstat(path(p), &st)); |
| unlock_user(p, arg1, 0); |
| goto do_stat; |
| case TARGET_NR_fstat: |
| { |
| ret = get_errno(fstat(arg1, &st)); |
| do_stat: |
| if (!is_error(ret)) { |
| struct target_stat *target_st; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
| goto efault; |
| __put_user(st.st_dev, &target_st->st_dev); |
| __put_user(st.st_ino, &target_st->st_ino); |
| __put_user(st.st_mode, &target_st->st_mode); |
| __put_user(st.st_uid, &target_st->st_uid); |
| __put_user(st.st_gid, &target_st->st_gid); |
| __put_user(st.st_nlink, &target_st->st_nlink); |
| __put_user(st.st_rdev, &target_st->st_rdev); |
| __put_user(st.st_size, &target_st->st_size); |
| __put_user(st.st_blksize, &target_st->st_blksize); |
| __put_user(st.st_blocks, &target_st->st_blocks); |
| __put_user(st.st_atime, &target_st->target_st_atime); |
| __put_user(st.st_mtime, &target_st->target_st_mtime); |
| __put_user(st.st_ctime, &target_st->target_st_ctime); |
| unlock_user_struct(target_st, arg2, 1); |
| } |
| } |
| break; |
| #ifdef TARGET_NR_olduname |
| case TARGET_NR_olduname: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_iopl |
| case TARGET_NR_iopl: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_vhangup: |
| ret = get_errno(vhangup()); |
| break; |
| #ifdef TARGET_NR_idle |
| case TARGET_NR_idle: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_syscall |
| case TARGET_NR_syscall: |
| ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); |
| break; |
| #endif |
| case TARGET_NR_wait4: |
| { |
| int status; |
| abi_long status_ptr = arg2; |
| struct rusage rusage, *rusage_ptr; |
| abi_ulong target_rusage = arg4; |
| if (target_rusage) |
| rusage_ptr = &rusage; |
| else |
| rusage_ptr = NULL; |
| ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
| if (!is_error(ret)) { |
| if (status_ptr) { |
| if (put_user_s32(status, status_ptr)) |
| goto efault; |
| } |
| if (target_rusage) |
| host_to_target_rusage(target_rusage, &rusage); |
| } |
| } |
| break; |
| #ifdef TARGET_NR_swapoff |
| case TARGET_NR_swapoff: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(swapoff(p)); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| case TARGET_NR_sysinfo: |
| { |
| struct target_sysinfo *target_value; |
| struct sysinfo value; |
| ret = get_errno(sysinfo(&value)); |
| if (!is_error(ret) && arg1) |
| { |
| if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
| goto efault; |
| __put_user(value.uptime, &target_value->uptime); |
| __put_user(value.loads[0], &target_value->loads[0]); |
| __put_user(value.loads[1], &target_value->loads[1]); |
| __put_user(value.loads[2], &target_value->loads[2]); |
| __put_user(value.totalram, &target_value->totalram); |
| __put_user(value.freeram, &target_value->freeram); |
| __put_user(value.sharedram, &target_value->sharedram); |
| __put_user(value.bufferram, &target_value->bufferram); |
| __put_user(value.totalswap, &target_value->totalswap); |
| __put_user(value.freeswap, &target_value->freeswap); |
| __put_user(value.procs, &target_value->procs); |
| __put_user(value.totalhigh, &target_value->totalhigh); |
| __put_user(value.freehigh, &target_value->freehigh); |
| __put_user(value.mem_unit, &target_value->mem_unit); |
| unlock_user_struct(target_value, arg1, 1); |
| } |
| } |
| break; |
| #ifdef TARGET_NR_ipc |
| case TARGET_NR_ipc: |
| ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
| break; |
| #endif |
| case TARGET_NR_fsync: |
| ret = get_errno(fsync(arg1)); |
| break; |
| case TARGET_NR_clone: |
| ret = get_errno(do_fork(cpu_env, arg1, arg2)); |
| break; |
| #ifdef __NR_exit_group |
| /* new thread calls */ |
| case TARGET_NR_exit_group: |
| gdb_exit(cpu_env, arg1); |
| ret = get_errno(exit_group(arg1)); |
| break; |
| #endif |
| case TARGET_NR_setdomainname: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(setdomainname(p, arg2)); |
| unlock_user(p, arg1, 0); |
| break; |
| case TARGET_NR_uname: |
| /* no need to transcode because we use the linux syscall */ |
| { |
| struct new_utsname * buf; |
| |
| if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
| goto efault; |
| ret = get_errno(sys_uname(buf)); |
| if (!is_error(ret)) { |
| /* Overrite the native machine name with whatever is being |
| emulated. */ |
| strcpy (buf->machine, UNAME_MACHINE); |
| /* Allow the user to override the reported release. */ |
| if (qemu_uname_release && *qemu_uname_release) |
| strcpy (buf->release, qemu_uname_release); |
| } |
| unlock_user_struct(buf, arg1, 1); |
| } |
| break; |
| #ifdef TARGET_I386 |
| case TARGET_NR_modify_ldt: |
| ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
| break; |
| #if !defined(TARGET_X86_64) |
| case TARGET_NR_vm86old: |
| goto unimplemented; |
| case TARGET_NR_vm86: |
| ret = do_vm86(cpu_env, arg1, arg2); |
| break; |
| #endif |
| #endif |
| case TARGET_NR_adjtimex: |
| goto unimplemented; |
| #ifdef TARGET_NR_create_module |
| case TARGET_NR_create_module: |
| #endif |
| case TARGET_NR_init_module: |
| case TARGET_NR_delete_module: |
| #ifdef TARGET_NR_get_kernel_syms |
| case TARGET_NR_get_kernel_syms: |
| #endif |
| goto unimplemented; |
| case TARGET_NR_quotactl: |
| goto unimplemented; |
| case TARGET_NR_getpgid: |
| ret = get_errno(getpgid(arg1)); |
| break; |
| case TARGET_NR_fchdir: |
| ret = get_errno(fchdir(arg1)); |
| break; |
| #ifdef TARGET_NR_bdflush /* not on x86_64 */ |
| case TARGET_NR_bdflush: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_sysfs |
| case TARGET_NR_sysfs: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_personality: |
| ret = get_errno(personality(arg1)); |
| break; |
| #ifdef TARGET_NR_afs_syscall |
| case TARGET_NR_afs_syscall: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR__llseek /* Not on alpha */ |
| case TARGET_NR__llseek: |
| { |
| #if defined (__x86_64__) |
| ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); |
| if (put_user_s64(ret, arg4)) |
| goto efault; |
| #else |
| int64_t res; |
| ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
| if (put_user_s64(res, arg4)) |
| goto efault; |
| #endif |
| } |
| break; |
| #endif |
| case TARGET_NR_getdents: |
| #if TARGET_ABI_BITS != 32 |
| goto unimplemented; |
| #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
| { |
| struct target_dirent *target_dirp; |
| struct dirent *dirp; |
| abi_long count = arg3; |
| |
| dirp = malloc(count); |
| if (!dirp) { |
| ret = -TARGET_ENOMEM; |
| goto fail; |
| } |
| |
| ret = get_errno(sys_getdents(arg1, dirp, count)); |
| if (!is_error(ret)) { |
| struct dirent *de; |
| struct target_dirent *tde; |
| int len = ret; |
| int reclen, treclen; |
| int count1, tnamelen; |
| |
| count1 = 0; |
| de = dirp; |
| if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| goto efault; |
| tde = target_dirp; |
| while (len > 0) { |
| reclen = de->d_reclen; |
| treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long))); |
| tde->d_reclen = tswap16(treclen); |
| tde->d_ino = tswapl(de->d_ino); |
| tde->d_off = tswapl(de->d_off); |
| tnamelen = treclen - (2 * sizeof(abi_long) + 2); |
| if (tnamelen > 256) |
| tnamelen = 256; |
| /* XXX: may not be correct */ |
| strncpy(tde->d_name, de->d_name, tnamelen); |
| de = (struct dirent *)((char *)de + reclen); |
| len -= reclen; |
| tde = (struct target_dirent *)((char *)tde + treclen); |
| count1 += treclen; |
| } |
| ret = count1; |
| unlock_user(target_dirp, arg2, ret); |
| } |
| free(dirp); |
| } |
| #else |
| { |
| struct dirent *dirp; |
| abi_long count = arg3; |
| |
| if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| goto efault; |
| ret = get_errno(sys_getdents(arg1, dirp, count)); |
| if (!is_error(ret)) { |
| struct dirent *de; |
| int len = ret; |
| int reclen; |
| de = dirp; |
| while (len > 0) { |
| reclen = de->d_reclen; |
| if (reclen > len) |
| break; |
| de->d_reclen = tswap16(reclen); |
| tswapls(&de->d_ino); |
| tswapls(&de->d_off); |
| de = (struct dirent *)((char *)de + reclen); |
| len -= reclen; |
| } |
| } |
| unlock_user(dirp, arg2, ret); |
| } |
| #endif |
| break; |
| #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
| case TARGET_NR_getdents64: |
| { |
| struct dirent64 *dirp; |
| abi_long count = arg3; |
| if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| goto efault; |
| ret = get_errno(sys_getdents64(arg1, dirp, count)); |
| if (!is_error(ret)) { |
| struct dirent64 *de; |
| int len = ret; |
| int reclen; |
| de = dirp; |
| while (len > 0) { |
| reclen = de->d_reclen; |
| if (reclen > len) |
| break; |
| de->d_reclen = tswap16(reclen); |
| tswap64s((uint64_t *)&de->d_ino); |
| tswap64s((uint64_t *)&de->d_off); |
| de = (struct dirent64 *)((char *)de + reclen); |
| len -= reclen; |
| } |
| } |
| unlock_user(dirp, arg2, ret); |
| } |
| break; |
| #endif /* TARGET_NR_getdents64 */ |
| #ifdef TARGET_NR__newselect |
| case TARGET_NR__newselect: |
| ret = do_select(arg1, arg2, arg3, arg4, arg5); |
| break; |
| #endif |
| #ifdef TARGET_NR_poll |
| case TARGET_NR_poll: |
| { |
| struct target_pollfd *target_pfd; |
| unsigned int nfds = arg2; |
| int timeout = arg3; |
| struct pollfd *pfd; |
| unsigned int i; |
| |
| target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
| if (!target_pfd) |
| goto efault; |
| pfd = alloca(sizeof(struct pollfd) * nfds); |
| for(i = 0; i < nfds; i++) { |
| pfd[i].fd = tswap32(target_pfd[i].fd); |
| pfd[i].events = tswap16(target_pfd[i].events); |
| } |
| ret = get_errno(poll(pfd, nfds, timeout)); |
| if (!is_error(ret)) { |
| for(i = 0; i < nfds; i++) { |
| target_pfd[i].revents = tswap16(pfd[i].revents); |
| } |
| ret += nfds * (sizeof(struct target_pollfd) |
| - sizeof(struct pollfd)); |
| } |
| unlock_user(target_pfd, arg1, ret); |
| } |
| break; |
| #endif |
| case TARGET_NR_flock: |
| /* NOTE: the flock constant seems to be the same for every |
| Linux platform */ |
| ret = get_errno(flock(arg1, arg2)); |
| break; |
| case TARGET_NR_readv: |
| { |
| int count = arg3; |
| struct iovec *vec; |
| |
| vec = alloca(count * sizeof(struct iovec)); |
| lock_iovec(VERIFY_WRITE, vec, arg2, count, 0); |
| ret = get_errno(readv(arg1, vec, count)); |
| unlock_iovec(vec, arg2, count, 1); |
| } |
| break; |
| case TARGET_NR_writev: |
| { |
| int count = arg3; |
| struct iovec *vec; |
| |
| vec = alloca(count * sizeof(struct iovec)); |
| lock_iovec(VERIFY_READ, vec, arg2, count, 1); |
| ret = get_errno(writev(arg1, vec, count)); |
| unlock_iovec(vec, arg2, count, 0); |
| } |
| break; |
| case TARGET_NR_getsid: |
| ret = get_errno(getsid(arg1)); |
| break; |
| #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
| case TARGET_NR_fdatasync: |
| ret = get_errno(fdatasync(arg1)); |
| break; |
| #endif |
| case TARGET_NR__sysctl: |
| /* We don't implement this, but ENOTDIR is always a safe |
| return value. */ |
| ret = -TARGET_ENOTDIR; |
| break; |
| case TARGET_NR_sched_setparam: |
| { |
| struct sched_param *target_schp; |
| struct sched_param schp; |
| |
| if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
| goto efault; |
| schp.sched_priority = tswap32(target_schp->sched_priority); |
| unlock_user_struct(target_schp, arg2, 0); |
| ret = get_errno(sched_setparam(arg1, &schp)); |
| } |
| break; |
| case TARGET_NR_sched_getparam: |
| { |
| struct sched_param *target_schp; |
| struct sched_param schp; |
| ret = get_errno(sched_getparam(arg1, &schp)); |
| if (!is_error(ret)) { |
| if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
| goto efault; |
| target_schp->sched_priority = tswap32(schp.sched_priority); |
| unlock_user_struct(target_schp, arg2, 1); |
| } |
| } |
| break; |
| case TARGET_NR_sched_setscheduler: |
| { |
| struct sched_param *target_schp; |
| struct sched_param schp; |
| if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
| goto efault; |
| schp.sched_priority = tswap32(target_schp->sched_priority); |
| unlock_user_struct(target_schp, arg3, 0); |
| ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
| } |
| break; |
| case TARGET_NR_sched_getscheduler: |
| ret = get_errno(sched_getscheduler(arg1)); |
| break; |
| case TARGET_NR_sched_yield: |
| ret = get_errno(sched_yield()); |
| break; |
| case TARGET_NR_sched_get_priority_max: |
| ret = get_errno(sched_get_priority_max(arg1)); |
| break; |
| case TARGET_NR_sched_get_priority_min: |
| ret = get_errno(sched_get_priority_min(arg1)); |
| break; |
| case TARGET_NR_sched_rr_get_interval: |
| { |
| struct timespec ts; |
| ret = get_errno(sched_rr_get_interval(arg1, &ts)); |
| if (!is_error(ret)) { |
| host_to_target_timespec(arg2, &ts); |
| } |
| } |
| break; |
| case TARGET_NR_nanosleep: |
| { |
| struct timespec req, rem; |
| target_to_host_timespec(&req, arg1); |
| ret = get_errno(nanosleep(&req, &rem)); |
| if (is_error(ret) && arg2) { |
| host_to_target_timespec(arg2, &rem); |
| } |
| } |
| break; |
| #ifdef TARGET_NR_query_module |
| case TARGET_NR_query_module: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_nfsservctl |
| case TARGET_NR_nfsservctl: |
| goto unimplemented; |
| #endif |
| case TARGET_NR_prctl: |
| switch (arg1) |
| { |
| case PR_GET_PDEATHSIG: |
| { |
| int deathsig; |
| ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); |
| if (!is_error(ret) && arg2 |
| && put_user_ual(deathsig, arg2)) |
| goto efault; |
| } |
| break; |
| default: |
| ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
| break; |
| } |
| break; |
| #ifdef TARGET_NR_arch_prctl |
| case TARGET_NR_arch_prctl: |
| #if defined(TARGET_I386) && !defined(TARGET_ABI32) |
| ret = do_arch_prctl(cpu_env, arg1, arg2); |
| break; |
| #else |
| goto unimplemented; |
| #endif |
| #endif |
| #ifdef TARGET_NR_pread |
| case TARGET_NR_pread: |
| if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
| goto efault; |
| ret = get_errno(pread(arg1, p, arg3, arg4)); |
| unlock_user(p, arg2, ret); |
| break; |
| case TARGET_NR_pwrite: |
| if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
| goto efault; |
| ret = get_errno(pwrite(arg1, p, arg3, arg4)); |
| unlock_user(p, arg2, 0); |
| break; |
| #endif |
| case TARGET_NR_getcwd: |
| if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
| goto efault; |
| ret = get_errno(sys_getcwd1(p, arg2)); |
| unlock_user(p, arg1, ret); |
| break; |
| case TARGET_NR_capget: |
| goto unimplemented; |
| case TARGET_NR_capset: |
| goto unimplemented; |
| case TARGET_NR_sigaltstack: |
| #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ |
| defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) |
| ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env)); |
| break; |
| #else |
| goto unimplemented; |
| #endif |
| case TARGET_NR_sendfile: |
| goto unimplemented; |
| #ifdef TARGET_NR_getpmsg |
| case TARGET_NR_getpmsg: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_putpmsg |
| case TARGET_NR_putpmsg: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_vfork |
| case TARGET_NR_vfork: |
| ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); |
| break; |
| #endif |
| #ifdef TARGET_NR_ugetrlimit |
| case TARGET_NR_ugetrlimit: |
| { |
| struct rlimit rlim; |
| ret = get_errno(getrlimit(arg1, &rlim)); |
| if (!is_error(ret)) { |
| struct target_rlimit *target_rlim; |
| if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
| goto efault; |
| target_rlim->rlim_cur = tswapl(rlim.rlim_cur); |
| target_rlim->rlim_max = tswapl(rlim.rlim_max); |
| unlock_user_struct(target_rlim, arg2, 1); |
| } |
| break; |
| } |
| #endif |
| #ifdef TARGET_NR_truncate64 |
| case TARGET_NR_truncate64: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_ftruncate64 |
| case TARGET_NR_ftruncate64: |
| ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
| break; |
| #endif |
| #ifdef TARGET_NR_stat64 |
| case TARGET_NR_stat64: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(stat(path(p), &st)); |
| unlock_user(p, arg1, 0); |
| goto do_stat64; |
| #endif |
| #ifdef TARGET_NR_lstat64 |
| case TARGET_NR_lstat64: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(lstat(path(p), &st)); |
| unlock_user(p, arg1, 0); |
| goto do_stat64; |
| #endif |
| #ifdef TARGET_NR_fstat64 |
| case TARGET_NR_fstat64: |
| { |
| ret = get_errno(fstat(arg1, &st)); |
| do_stat64: |
| if (!is_error(ret)) { |
| #ifdef TARGET_ARM |
| if (((CPUARMState *)cpu_env)->eabi) { |
| struct target_eabi_stat64 *target_st; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
| goto efault; |
| memset(target_st, 0, sizeof(struct target_eabi_stat64)); |
| __put_user(st.st_dev, &target_st->st_dev); |
| __put_user(st.st_ino, &target_st->st_ino); |
| #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO |
| __put_user(st.st_ino, &target_st->__st_ino); |
| #endif |
| __put_user(st.st_mode, &target_st->st_mode); |
| __put_user(st.st_nlink, &target_st->st_nlink); |
| __put_user(st.st_uid, &target_st->st_uid); |
| __put_user(st.st_gid, &target_st->st_gid); |
| __put_user(st.st_rdev, &target_st->st_rdev); |
| __put_user(st.st_size, &target_st->st_size); |
| __put_user(st.st_blksize, &target_st->st_blksize); |
| __put_user(st.st_blocks, &target_st->st_blocks); |
| __put_user(st.st_atime, &target_st->target_st_atime); |
| __put_user(st.st_mtime, &target_st->target_st_mtime); |
| __put_user(st.st_ctime, &target_st->target_st_ctime); |
| unlock_user_struct(target_st, arg2, 1); |
| } else |
| #endif |
| { |
| struct target_stat64 *target_st; |
| |
| if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
| goto efault; |
| memset(target_st, 0, sizeof(struct target_stat64)); |
| __put_user(st.st_dev, &target_st->st_dev); |
| __put_user(st.st_ino, &target_st->st_ino); |
| #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO |
| __put_user(st.st_ino, &target_st->__st_ino); |
| #endif |
| __put_user(st.st_mode, &target_st->st_mode); |
| __put_user(st.st_nlink, &target_st->st_nlink); |
| __put_user(st.st_uid, &target_st->st_uid); |
| __put_user(st.st_gid, &target_st->st_gid); |
| __put_user(st.st_rdev, &target_st->st_rdev); |
| /* XXX: better use of kernel struct */ |
| __put_user(st.st_size, &target_st->st_size); |
| __put_user(st.st_blksize, &target_st->st_blksize); |
| __put_user(st.st_blocks, &target_st->st_blocks); |
| __put_user(st.st_atime, &target_st->target_st_atime); |
| __put_user(st.st_mtime, &target_st->target_st_mtime); |
| __put_user(st.st_ctime, &target_st->target_st_ctime); |
| unlock_user_struct(target_st, arg2, 1); |
| } |
| } |
| } |
| break; |
| #endif |
| #ifdef USE_UID16 |
| case TARGET_NR_lchown: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
| unlock_user(p, arg1, 0); |
| break; |
| case TARGET_NR_getuid: |
| ret = get_errno(high2lowuid(getuid())); |
| break; |
| case TARGET_NR_getgid: |
| ret = get_errno(high2lowgid(getgid())); |
| break; |
| case TARGET_NR_geteuid: |
| ret = get_errno(high2lowuid(geteuid())); |
| break; |
| case TARGET_NR_getegid: |
| ret = get_errno(high2lowgid(getegid())); |
| break; |
| case TARGET_NR_setreuid: |
| ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
| break; |
| case TARGET_NR_setregid: |
| ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
| break; |
| case TARGET_NR_getgroups: |
| { |
| int gidsetsize = arg1; |
| uint16_t *target_grouplist; |
| gid_t *grouplist; |
| int i; |
| |
| grouplist = alloca(gidsetsize * sizeof(gid_t)); |
| ret = get_errno(getgroups(gidsetsize, grouplist)); |
| if (!is_error(ret)) { |
| target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); |
| if (!target_grouplist) |
| goto efault; |
| for(i = 0;i < gidsetsize; i++) |
| target_grouplist[i] = tswap16(grouplist[i]); |
| unlock_user(target_grouplist, arg2, gidsetsize * 2); |
| } |
| } |
| break; |
| case TARGET_NR_setgroups: |
| { |
| int gidsetsize = arg1; |
| uint16_t *target_grouplist; |
| gid_t *grouplist; |
| int i; |
| |
| grouplist = alloca(gidsetsize * sizeof(gid_t)); |
| target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); |
| if (!target_grouplist) { |
| ret = -TARGET_EFAULT; |
| goto fail; |
| } |
| for(i = 0;i < gidsetsize; i++) |
| grouplist[i] = tswap16(target_grouplist[i]); |
| unlock_user(target_grouplist, arg2, 0); |
| ret = get_errno(setgroups(gidsetsize, grouplist)); |
| } |
| break; |
| case TARGET_NR_fchown: |
| ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
| break; |
| #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) |
| case TARGET_NR_fchownat: |
| if (!(p = lock_user_string(arg2))) |
| goto efault; |
| ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); |
| unlock_user(p, arg2, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_setresuid |
| case TARGET_NR_setresuid: |
| ret = get_errno(setresuid(low2highuid(arg1), |
| low2highuid(arg2), |
| low2highuid(arg3))); |
| break; |
| #endif |
| #ifdef TARGET_NR_getresuid |
| case TARGET_NR_getresuid: |
| { |
| uid_t ruid, euid, suid; |
| ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| if (!is_error(ret)) { |
| if (put_user_u16(high2lowuid(ruid), arg1) |
| || put_user_u16(high2lowuid(euid), arg2) |
| || put_user_u16(high2lowuid(suid), arg3)) |
| goto efault; |
| } |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_getresgid |
| case TARGET_NR_setresgid: |
| ret = get_errno(setresgid(low2highgid(arg1), |
| low2highgid(arg2), |
| low2highgid(arg3))); |
| break; |
| #endif |
| #ifdef TARGET_NR_getresgid |
| case TARGET_NR_getresgid: |
| { |
| gid_t rgid, egid, sgid; |
| ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| if (!is_error(ret)) { |
| if (put_user_u16(high2lowgid(rgid), arg1) |
| || put_user_u16(high2lowgid(egid), arg2) |
| || put_user_u16(high2lowgid(sgid), arg3)) |
| goto efault; |
| } |
| } |
| break; |
| #endif |
| case TARGET_NR_chown: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
| unlock_user(p, arg1, 0); |
| break; |
| case TARGET_NR_setuid: |
| ret = get_errno(setuid(low2highuid(arg1))); |
| break; |
| case TARGET_NR_setgid: |
| ret = get_errno(setgid(low2highgid(arg1))); |
| break; |
| case TARGET_NR_setfsuid: |
| ret = get_errno(setfsuid(arg1)); |
| break; |
| case TARGET_NR_setfsgid: |
| ret = get_errno(setfsgid(arg1)); |
| break; |
| #endif /* USE_UID16 */ |
| |
| #ifdef TARGET_NR_lchown32 |
| case TARGET_NR_lchown32: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(lchown(p, arg2, arg3)); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_getuid32 |
| case TARGET_NR_getuid32: |
| ret = get_errno(getuid()); |
| break; |
| #endif |
| #ifdef TARGET_NR_getgid32 |
| case TARGET_NR_getgid32: |
| ret = get_errno(getgid()); |
| break; |
| #endif |
| #ifdef TARGET_NR_geteuid32 |
| case TARGET_NR_geteuid32: |
| ret = get_errno(geteuid()); |
| break; |
| #endif |
| #ifdef TARGET_NR_getegid32 |
| case TARGET_NR_getegid32: |
| ret = get_errno(getegid()); |
| break; |
| #endif |
| #ifdef TARGET_NR_setreuid32 |
| case TARGET_NR_setreuid32: |
| ret = get_errno(setreuid(arg1, arg2)); |
| break; |
| #endif |
| #ifdef TARGET_NR_setregid32 |
| case TARGET_NR_setregid32: |
| ret = get_errno(setregid(arg1, arg2)); |
| break; |
| #endif |
| #ifdef TARGET_NR_getgroups32 |
| case TARGET_NR_getgroups32: |
| { |
| int gidsetsize = arg1; |
| uint32_t *target_grouplist; |
| gid_t *grouplist; |
| int i; |
| |
| grouplist = alloca(gidsetsize * sizeof(gid_t)); |
| ret = get_errno(getgroups(gidsetsize, grouplist)); |
| if (!is_error(ret)) { |
| target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
| if (!target_grouplist) { |
| ret = -TARGET_EFAULT; |
| goto fail; |
| } |
| for(i = 0;i < gidsetsize; i++) |
| target_grouplist[i] = tswap32(grouplist[i]); |
| unlock_user(target_grouplist, arg2, gidsetsize * 4); |
| } |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_setgroups32 |
| case TARGET_NR_setgroups32: |
| { |
| int gidsetsize = arg1; |
| uint32_t *target_grouplist; |
| gid_t *grouplist; |
| int i; |
| |
| grouplist = alloca(gidsetsize * sizeof(gid_t)); |
| target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
| if (!target_grouplist) { |
| ret = -TARGET_EFAULT; |
| goto fail; |
| } |
| for(i = 0;i < gidsetsize; i++) |
| grouplist[i] = tswap32(target_grouplist[i]); |
| unlock_user(target_grouplist, arg2, 0); |
| ret = get_errno(setgroups(gidsetsize, grouplist)); |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_fchown32 |
| case TARGET_NR_fchown32: |
| ret = get_errno(fchown(arg1, arg2, arg3)); |
| break; |
| #endif |
| #ifdef TARGET_NR_setresuid32 |
| case TARGET_NR_setresuid32: |
| ret = get_errno(setresuid(arg1, arg2, arg3)); |
| break; |
| #endif |
| #ifdef TARGET_NR_getresuid32 |
| case TARGET_NR_getresuid32: |
| { |
| uid_t ruid, euid, suid; |
| ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| if (!is_error(ret)) { |
| if (put_user_u32(ruid, arg1) |
| || put_user_u32(euid, arg2) |
| || put_user_u32(suid, arg3)) |
| goto efault; |
| } |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_setresgid32 |
| case TARGET_NR_setresgid32: |
| ret = get_errno(setresgid(arg1, arg2, arg3)); |
| break; |
| #endif |
| #ifdef TARGET_NR_getresgid32 |
| case TARGET_NR_getresgid32: |
| { |
| gid_t rgid, egid, sgid; |
| ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| if (!is_error(ret)) { |
| if (put_user_u32(rgid, arg1) |
| || put_user_u32(egid, arg2) |
| || put_user_u32(sgid, arg3)) |
| goto efault; |
| } |
| } |
| break; |
| #endif |
| #ifdef TARGET_NR_chown32 |
| case TARGET_NR_chown32: |
| if (!(p = lock_user_string(arg1))) |
| goto efault; |
| ret = get_errno(chown(p, arg2, arg3)); |
| unlock_user(p, arg1, 0); |
| break; |
| #endif |
| #ifdef TARGET_NR_setuid32 |
| case TARGET_NR_setuid32: |
| ret = get_errno(setuid(arg1)); |
| break; |
| #endif |
| #ifdef TARGET_NR_setgid32 |
| case TARGET_NR_setgid32: |
| ret = get_errno(setgid(arg1)); |
| break; |
| #endif |
| #ifdef TARGET_NR_setfsuid32 |
| case TARGET_NR_setfsuid32: |
| ret = get_errno(setfsuid(arg1)); |
| break; |
| #endif |
| #ifdef TARGET_NR_setfsgid32 |
| case TARGET_NR_setfsgid32: |
| ret = get_errno(setfsgid(arg1)); |
| break; |
| #endif |
| |
| case TARGET_NR_pivot_root: |
| goto unimplemented; |
| #ifdef TARGET_NR_mincore |
| case TARGET_NR_mincore: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_madvise |
| case TARGET_NR_madvise: |
| /* A straight passthrough may not be safe because qemu sometimes |
| turns private flie-backed mappings into anonymous mappings. |
| This will break MADV_DONTNEED. |
| This is a hint, so ignoring and returning success is ok. */ |
| ret = get_errno(0); |
| break; |
| #endif |
| #if TARGET_ABI_BITS == 32 |
| case TARGET_NR_fcntl64: |
| { |
| int cmd; |
| struct flock64 fl; |
| struct target_flock64 *target_fl; |
| #ifdef TARGET_ARM |
| struct target_eabi_flock64 *target_efl; |
| #endif |
| |
| switch(arg2){ |
| case TARGET_F_GETLK64: |
| cmd = F_GETLK64; |
| break; |
| case TARGET_F_SETLK64: |
| cmd = F_SETLK64; |
| break; |
| case TARGET_F_SETLKW64: |
| cmd = F_SETLK64; |
| break; |
| default: |
| cmd = arg2; |
| break; |
| } |
| |
| switch(arg2) { |
| case TARGET_F_GETLK64: |
| #ifdef TARGET_ARM |
| if (((CPUARMState *)cpu_env)->eabi) { |
| if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
| goto efault; |
| fl.l_type = tswap16(target_efl->l_type); |
| fl.l_whence = tswap16(target_efl->l_whence); |
| fl.l_start = tswap64(target_efl->l_start); |
| fl.l_len = tswap64(target_efl->l_len); |
| fl.l_pid = tswapl(target_efl->l_pid); |
| unlock_user_struct(target_efl, arg3, 0); |
| } else |
| #endif |
| { |
| if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
| goto efault; |
| fl.l_type = tswap16(target_fl->l_type); |
| fl.l_whence = tswap16(target_fl->l_whence); |
| fl.l_start = tswap64(target_fl->l_start); |
| fl.l_len = tswap64(target_fl->l_len); |
| fl.l_pid = tswapl(target_fl->l_pid); |
| unlock_user_struct(target_fl, arg3, 0); |
| } |
| ret = get_errno(fcntl(arg1, cmd, &fl)); |
| if (ret == 0) { |
| #ifdef TARGET_ARM |
| if (((CPUARMState *)cpu_env)->eabi) { |
| if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
| goto efault; |
| target_efl->l_type = tswap16(fl.l_type); |
| target_efl->l_whence = tswap16(fl.l_whence); |
| target_efl->l_start = tswap64(fl.l_start); |
| target_efl->l_len = tswap64(fl.l_len); |
| target_efl->l_pid = tswapl(fl.l_pid); |
| unlock_user_struct(target_efl, arg3, 1); |
| } else |
| #endif |
| { |
| if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
| goto efault; |
| target_fl->l_type = tswap16(fl.l_type); |
| target_fl->l_whence = tswap16(fl.l_whence); |
| target_fl->l_start = tswap64(fl.l_start); |
| target_fl->l_len = tswap64(fl.l_len); |
| target_fl->l_pid = tswapl(fl.l_pid); |
| unlock_user_struct(target_fl, arg3, 1); |
| } |
| } |
| break; |
| |
| case TARGET_F_SETLK64: |
| case TARGET_F_SETLKW64: |
| #ifdef TARGET_ARM |
| if (((CPUARMState *)cpu_env)->eabi) { |
| if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
| goto efault; |
| fl.l_type = tswap16(target_efl->l_type); |
| fl.l_whence = tswap16(target_efl->l_whence); |
| fl.l_start = tswap64(target_efl->l_start); |
| fl.l_len = tswap64(target_efl->l_len); |
| fl.l_pid = tswapl(target_efl->l_pid); |
| unlock_user_struct(target_efl, arg3, 0); |
| } else |
| #endif |
| { |
| if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
| goto efault; |
| fl.l_type = tswap16(target_fl->l_type); |
| fl.l_whence = tswap16(target_fl->l_whence); |
| fl.l_start = tswap64(target_fl->l_start); |
| fl.l_len = tswap64(target_fl->l_len); |
| fl.l_pid = tswapl(target_fl->l_pid); |
| unlock_user_struct(target_fl, arg3, 0); |
| } |
| ret = get_errno(fcntl(arg1, cmd, &fl)); |
| break; |
| default: |
| ret = do_fcntl(arg1, cmd, arg3); |
| break; |
| } |
| break; |
| } |
| #endif |
| #ifdef TARGET_NR_cacheflush |
| case TARGET_NR_cacheflush: |
| /* self-modifying code is handled automatically, so nothing needed */ |
| ret = 0; |
| break; |
| #endif |
| #ifdef TARGET_NR_security |
| case TARGET_NR_security: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_getpagesize |
| case TARGET_NR_getpagesize: |
| ret = TARGET_PAGE_SIZE; |
| break; |
| #endif |
| case TARGET_NR_gettid: |
| ret = get_errno(gettid()); |
| break; |
| #ifdef TARGET_NR_readahead |
| case TARGET_NR_readahead: |
| goto unimplemented; |
| #endif |
| #ifdef TARGET_NR_setxattr |
| case TARGET_NR_setxattr: |
| case TARGET_NR_lsetxattr: |
| case TARGET_NR_fsetxattr: |
| case TARGET_NR_getxattr: |
| case TARGET_NR_lgetxattr: |
| case TARGET_NR_fgetxattr: |
| case TARGET_NR_listxattr: |
| case TARGET_NR_llistxattr: |
| case TARGET_NR_flistxattr: |
| case TARGET_NR_removexattr: |
| case TARGET_NR_lremovexattr: |
| case TARGET_NR_fremovexattr: |
| goto unimplemented_nowarn; |
| #endif |
| #ifdef TARGET_NR_set_thread_area |
| case TARGET_NR_set_thread_area: |
| #if defined(TARGET_MIPS) |
| ((CPUMIPSState *) cpu_env)->tls_value = arg1; |
| ret = 0; |
| break; |
| #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
| ret = do_set_thread_area(cpu_env, arg1); |
| break; |
| #else |
| goto unimplemented_nowarn; |
| #endif |
| #endif |
| #ifdef TARGET_NR_get_thread_area |
| case TARGET_NR_get_thread_area: |
| #if defined(TARGET_I386) && defined(TARGET_ABI32) |
| ret = do_get_thread_area(cpu_env, arg1); |
| #else |
| goto unimplemented_nowarn; |
| #endif |
| #endif |
| #ifdef TARGET_NR_getdomainname |
| case TARGET_NR_getdomainname: |
| goto unimplemented_nowarn; |
| #endif |
| |
| #ifdef TARGET_NR_clock_gettime |
| case TARGET_NR_clock_gettime: |
| { |
| struct timespec ts; |
| ret = get_errno(clock_gettime(arg1, &ts)); |
| if (!is_error(ret)) { |
| host_to_target_timespec(arg2, &ts); |
| } |
| break; |
| } |
| #endif |
| #ifdef TARGET_NR_clock_getres |
| case TARGET_NR_clock_getres: |
| { |
| struct timespec ts; |
| ret = get_errno(clock_getres(arg1, &ts)); |
| if (!is_error(ret)) { |
| host_to_target_timespec(arg2, &ts); |
| } |
| break; |
| } |
| #endif |
| |
| #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
| case TARGET_NR_set_tid_address: |
| ret = get_errno(set_tid_address((int *)g2h(arg1))); |
| break; |
| #endif |
| |
| #if defined(TARGET_NR_tkill) && defined(__NR_tkill) |
| case TARGET_NR_tkill: |
| ret = get_errno(sys_tkill((int)arg1, (int)arg2)); |
| break; |
| #endif |
| |
| #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) |
| case TARGET_NR_tgkill: |
| ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3)); |
| break; |
| #endif |
| |
| #ifdef TARGET_NR_set_robust_list |
| case TARGET_NR_set_robust_list: |
| goto unimplemented_nowarn; |
| #endif |
| |
| #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) |
| case TARGET_NR_utimensat: |
| { |
| struct timespec ts[2]; |
| target_to_host_timespec(ts, arg3); |
| target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); |
| if (!arg2) |
| ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4)); |
| else { |
| if (!(p = lock_user_string(arg2))) { |
| ret = -TARGET_EFAULT; |
| goto fail; |
| } |
| ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); |
| unlock_user(p, arg2, 0); |
| } |
| } |
| break; |
| #endif |
| |
| default: |
| unimplemented: |
| gemu_log("qemu: Unsupported syscall: %d\n", num); |
| #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) |
| unimplemented_nowarn: |
| #endif |
| ret = -TARGET_ENOSYS; |
| break; |
| } |
| fail: |
| #ifdef DEBUG |
| gemu_log(" = %ld\n", ret); |
| #endif |
| if(do_strace) |
| print_syscall_ret(num, ret); |
| return ret; |
| efault: |
| ret = -TARGET_EFAULT; |
| goto fail; |
| } |