diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/qemu-symbian-svp/linux-user/syscall.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/linux-user/syscall.c Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,6108 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +//#include +#include +#include +#include +#ifdef HAVE_GPROF +#include +#endif + +#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 +#include +#include +#include +#include +#include +#include +#include +#include "linux_loop.h" + +#include "qemu.h" +#include "qemu-common.h" + +#if defined(USE_NPTL) +#include +#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \ + CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) +#else +/* XXX: Hardcode the above values. */ +#define CLONE_NPTL_FLAGS2 0 +#endif + +//#define DEBUG + +#ifdef USE_NPTL +#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \ + CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) +#else +/* XXX: Hardcode the above values. */ +#define CLONE_NPTL_FLAGS2 0 +#endif + +#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 +#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) +#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) + +#define TARGET_PROT_GROWSDOWN 0x01000000 + +#undef _syscall0 +#undef _syscall1 +#undef _syscall2 +#undef _syscall3 +#undef _syscall4 +#undef _syscall5 +#undef _syscall6 + +#define _syscall0(type,name) \ +static type name (void) \ +{ \ + return syscall(__NR_##name); \ +} + +#define _syscall1(type,name,type1,arg1) \ +static type name (type1 arg1) \ +{ \ + return syscall(__NR_##name, arg1); \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +static type name (type1 arg1,type2 arg2) \ +{ \ + return syscall(__NR_##name, arg1, arg2); \ +} + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +static 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) \ +static 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) \ +static 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) \ +static 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_exit __NR_exit +#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_fstatat64 __NR_fstatat64 +#define __NR_sys_futimesat __NR_futimesat +#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 +#define __NR_sys_futex __NR_futex +#define __NR_sys_inotify_init __NR_inotify_init +#define __NR_sys_inotify_add_watch __NR_inotify_add_watch +#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch + +#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_exit,int,status) +_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) && defined(USE_UID16) +_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, + uid_t,owner,gid_t,group,int,flags) +#endif +#if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64) +_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, + struct stat *,buf,int,flags) +#endif +#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat) +_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname, + const struct timeval *,times) +#endif +_syscall2(int,sys_getcwd1,char *,buf,size_t,size) +#if TARGET_ABI_BITS == 32 +_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); +#endif +#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) +_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); +#endif +_syscall2(int, sys_getpriority, int, which, int, who); +#if !defined (__x86_64__) +_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, + loff_t *, res, uint, wh); +#endif +#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 +#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) +_syscall0(int,sys_inotify_init) +#endif +#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) +_syscall3(int,sys_inotify_add_watch,int,fd,const char *,pathname,uint32_t,mask) +#endif +#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) +_syscall2(int,sys_inotify_rm_watch,int,fd,uint32_t,wd) +#endif +#if defined(USE_NPTL) +#if defined(TARGET_NR_futex) && defined(__NR_futex) +_syscall6(int,sys_futex,int *,uaddr,int,op,int,val, + const struct timespec *,timeout,int *,uaddr2,int,val3) +#endif +#endif + +extern int personality(int); +extern int flock(int, int); +extern int setfsuid(int); +extern int setfsgid(int); +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-/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_brk; + + 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)) + target_brk = new_brk; + + return target_brk; +} + +static inline abi_long copy_from_user_fdset(fd_set *fds, + abi_ulong target_fds_addr, + int n) +{ + int i, nw, j, k; + abi_ulong b, *target_fds; + + nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; + if (!(target_fds = lock_user(VERIFY_READ, + target_fds_addr, + sizeof(abi_ulong) * nw, + 1))) + return -TARGET_EFAULT; + + FD_ZERO(fds); + k = 0; + for (i = 0; i < nw; i++) { + /* grab the abi_ulong */ + __get_user(b, &target_fds[i]); + for (j = 0; j < TARGET_ABI_BITS; j++) { + /* check the bit inside the abi_ulong */ + if ((b >> j) & 1) + FD_SET(k, fds); + k++; + } + } + + unlock_user(target_fds, target_fds_addr, 0); + + return 0; +} + +static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, + const fd_set *fds, + int n) +{ + int i, nw, j, k; + abi_long v; + abi_ulong *target_fds; + + nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; + if (!(target_fds = lock_user(VERIFY_WRITE, + target_fds_addr, + sizeof(abi_ulong) * nw, + 0))) + return -TARGET_EFAULT; + + 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++; + } + __put_user(v, &target_fds[i]); + } + + unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); + + return 0; +} + +#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 copy_from_user_timeval(struct timeval *tv, + abi_ulong target_tv_addr) +{ + struct target_timeval *target_tv; + + if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) + return -TARGET_EFAULT; + + __get_user(tv->tv_sec, &target_tv->tv_sec); + __get_user(tv->tv_usec, &target_tv->tv_usec); + + unlock_user_struct(target_tv, target_tv_addr, 0); + + return 0; +} + +static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, + const struct timeval *tv) +{ + struct target_timeval *target_tv; + + if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) + return -TARGET_EFAULT; + + __put_user(tv->tv_sec, &target_tv->tv_sec); + __put_user(tv->tv_usec, &target_tv->tv_usec); + + unlock_user_struct(target_tv, target_tv_addr, 1); + + return 0; +} + + +/* do_select() must return target values and target errnos. */ +static abi_long do_select(int n, + abi_ulong rfd_addr, abi_ulong wfd_addr, + abi_ulong efd_addr, abi_ulong target_tv_addr) +{ + fd_set rfds, wfds, efds; + fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; + struct timeval tv, *tv_ptr; + abi_long ret; + + if (rfd_addr) { + if (copy_from_user_fdset(&rfds, rfd_addr, n)) + return -TARGET_EFAULT; + rfds_ptr = &rfds; + } else { + rfds_ptr = NULL; + } + if (wfd_addr) { + if (copy_from_user_fdset(&wfds, wfd_addr, n)) + return -TARGET_EFAULT; + wfds_ptr = &wfds; + } else { + wfds_ptr = NULL; + } + if (efd_addr) { + if (copy_from_user_fdset(&efds, efd_addr, n)) + return -TARGET_EFAULT; + efds_ptr = &efds; + } else { + efds_ptr = NULL; + } + + if (target_tv_addr) { + if (copy_from_user_timeval(&tv, target_tv_addr)) + return -TARGET_EFAULT; + tv_ptr = &tv; + } else { + tv_ptr = NULL; + } + + ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); + + if (!is_error(ret)) { + if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) + return -TARGET_EFAULT; + if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) + return -TARGET_EFAULT; + if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) + return -TARGET_EFAULT; + + if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv)) + return -TARGET_EFAULT; + } + + 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_ENOPROTOOPT; + } + 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, val; + socklen_t lv; + + 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: + ret = -TARGET_ENOPROTOOPT; + break; + } + break; + default: + unimplemented: + gemu_log("getsockopt level=%d optname=%d not yet supported\n", + level, optname); + ret = -TARGET_EOPNOTSUPP; + 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; + + 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); + if (vec[i].iov_len != 0) { + vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); + /* Don't check lock_user return value. We must call writev even + if a element has invalid base address. */ + } else { + /* zero length pointer is ignored */ + vec[i].iov_base = NULL; + } + } + unlock_user (target_vec, target_addr, 0); + return 0; +} + +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++) { + if (target_vec[i].iov_base) { + 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, len; + 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)) { + len = ret; + ret = host_to_target_cmsg(msgp, &msg); + if (!is_error(ret)) + ret = len; + } + } + 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]; +#endif + +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; +#if TARGET_ABI_BITS == 32 + abi_ulong __unused1; +#endif + abi_ulong msg_rtime; +#if TARGET_ABI_BITS == 32 + abi_ulong __unused2; +#endif + abi_ulong msg_ctime; +#if TARGET_ABI_BITS == 32 + abi_ulong __unused3; +#endif + 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; + if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) + return -TARGET_EFAULT; + 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; + if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) + return -TARGET_EFAULT; + 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; +} + +struct target_msginfo { + int msgpool; + int msgmap; + int msgmax; + int msgmnb; + int msgmni; + int msgssz; + int msgtql; + unsigned short int msgseg; +}; + +static inline abi_long host_to_target_msginfo(abi_ulong target_addr, + struct msginfo *host_msginfo) +{ + struct target_msginfo *target_msginfo; + if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) + return -TARGET_EFAULT; + __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); + __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); + __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); + __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); + __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); + __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); + __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); + __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); + unlock_user_struct(target_msginfo, target_addr, 1); + return 0; +} + +static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) +{ + struct msqid_ds dsarg; + struct msginfo msginfo; + abi_long ret = -TARGET_EINVAL; + + cmd &= 0xff; + + switch (cmd) { + case IPC_STAT: + case IPC_SET: + case MSG_STAT: + if (target_to_host_msqid_ds(&dsarg,ptr)) + return -TARGET_EFAULT; + ret = get_errno(msgctl(msgid, cmd, &dsarg)); + if (host_to_target_msqid_ds(ptr,&dsarg)) + return -TARGET_EFAULT; + break; + case IPC_RMID: + ret = get_errno(msgctl(msgid, cmd, NULL)); + break; + case IPC_INFO: + case MSG_INFO: + ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); + if (host_to_target_msginfo(ptr, &msginfo)) + return -TARGET_EFAULT; + break; + } + + return ret; +} + +struct target_msgbuf { + abi_long 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 = (abi_long) 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, abi_long msgtyp, + 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, tswapl(msgtyp), 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; +} + +#ifdef TARGET_NR_ipc +/* ??? 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: + switch (version) { + case 0: + { + struct target_ipc_kludge { + abi_long msgp; + abi_long msgtyp; + } *tmp; + + if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { + ret = -TARGET_EFAULT; + break; + } + + ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third); + + unlock_user_struct(tmp, ptr, 0); + break; + } + default: + ret = do_msgrcv(first, ptr, second, fifth, 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...) static 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 + +static 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; +} + +static const 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 } +}; + +static const 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 } +}; + +static const 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 } +}; + +static const 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]; +} + +static const 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 */ +static 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) { + env->ldt.base = target_mmap(0, + TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, + PROT_READ|PROT_WRITE, + MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); + if (env->ldt.base == -1) + return -TARGET_ENOMEM; + memset(g2h(env->ldt.base), 0, + TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); + env->ldt.limit = 0xffff; + ldt_table = g2h(env->ldt.base); + } + + /* 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 */ +static 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; +} + +#if defined(TARGET_I386) && defined(TARGET_ABI32) +static 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; +} + +static 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; +} +#endif /* TARGET_I386 && TARGET_ABI32 */ + +#ifndef TARGET_ABI32 +static 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) */ + +#if defined(USE_NPTL) + +#define NEW_STACK_SIZE PTHREAD_STACK_MIN + +static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; +typedef struct { + CPUState *env; + pthread_mutex_t mutex; + pthread_cond_t cond; + pthread_t thread; + uint32_t tid; + abi_ulong child_tidptr; + abi_ulong parent_tidptr; + sigset_t sigmask; +} new_thread_info; + +static void *clone_func(void *arg) +{ + new_thread_info *info = arg; + CPUState *env; + + env = info->env; + thread_env = env; + info->tid = gettid(); + if (info->child_tidptr) + put_user_u32(info->tid, info->child_tidptr); + if (info->parent_tidptr) + put_user_u32(info->tid, info->parent_tidptr); + /* Enable signals. */ + sigprocmask(SIG_SETMASK, &info->sigmask, NULL); + /* Signal to the parent that we're ready. */ + pthread_mutex_lock(&info->mutex); + pthread_cond_broadcast(&info->cond); + pthread_mutex_unlock(&info->mutex); + /* Wait until the parent has finshed initializing the tls state. */ + pthread_mutex_lock(&clone_lock); + pthread_mutex_unlock(&clone_lock); + cpu_loop(env); + /* never exits */ + return NULL; +} +#else +/* this stack is the equivalent of the kernel stack associated with a + thread/process */ +#define NEW_STACK_SIZE 8192 + +#ifdef USE_NPTL +static spinlock_t nptl_lock = SPIN_LOCK_UNLOCKED; +#endif + +static int clone_func(void *arg) +{ + CPUState *env = arg; +#ifdef HAVE_NPTL + /* Wait until the parent has finshed initializing the tls state. */ + while (!spin_trylock(&nptl_lock)) + usleep(1); + spin_unlock(&nptl_lock); +#endif + cpu_loop(env); + /* never exits */ + return 0; +} +#endif + +/* do_fork() Must return host values and target errnos (unlike most + do_*() functions). */ +static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp, + abi_ulong parent_tidptr, target_ulong newtls, + abi_ulong child_tidptr) +{ + int ret; + TaskState *ts; + uint8_t *new_stack; + CPUState *new_env; +#if defined(USE_NPTL) + unsigned int nptl_flags; + sigset_t sigmask; +#endif + + /* Emulate vfork() with fork() */ + if (flags & CLONE_VFORK) + flags &= ~(CLONE_VFORK | CLONE_VM); + + if (flags & CLONE_VM) { +#if defined(USE_NPTL) + new_thread_info info; + pthread_attr_t attr; +#endif + ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE); + init_task_state(ts); + new_stack = ts->stack; + /* we create a new CPU instance. */ + new_env = cpu_copy(env); + /* Init regs that differ from the parent. */ + cpu_clone_regs(new_env, newsp); + new_env->opaque = ts; +#if defined(USE_NPTL) + nptl_flags = flags; + flags &= ~CLONE_NPTL_FLAGS2; + + /* TODO: Implement CLONE_CHILD_CLEARTID. */ + if (nptl_flags & CLONE_SETTLS) + cpu_set_tls (new_env, newtls); + + /* Grab a mutex so that thread setup appears atomic. */ + pthread_mutex_lock(&clone_lock); + + memset(&info, 0, sizeof(info)); + pthread_mutex_init(&info.mutex, NULL); + pthread_mutex_lock(&info.mutex); + pthread_cond_init(&info.cond, NULL); + info.env = new_env; + if (nptl_flags & CLONE_CHILD_SETTID) + info.child_tidptr = child_tidptr; + if (nptl_flags & CLONE_PARENT_SETTID) + info.parent_tidptr = parent_tidptr; + + ret = pthread_attr_init(&attr); + ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE); + /* It is not safe to deliver signals until the child has finished + initializing, so temporarily block all signals. */ + sigfillset(&sigmask); + sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); + + ret = pthread_create(&info.thread, &attr, clone_func, &info); + + sigprocmask(SIG_SETMASK, &info.sigmask, NULL); + pthread_attr_destroy(&attr); + if (ret == 0) { + /* Wait for the child to initialize. */ + pthread_cond_wait(&info.cond, &info.mutex); + ret = info.tid; + if (flags & CLONE_PARENT_SETTID) + put_user_u32(ret, parent_tidptr); + } else { + ret = -1; + } + pthread_mutex_unlock(&info.mutex); + pthread_cond_destroy(&info.cond); + pthread_mutex_destroy(&info.mutex); + pthread_mutex_unlock(&clone_lock); +#else + if (flags & CLONE_NPTL_FLAGS2) + return -EINVAL; + /* This is probably going to die very quickly, but do it anyway. */ +#ifdef USE_NPTL + nptl_flags = flags; + flags &= ~CLONE_NPTL_FLAGS2; + + if (nptl_flags & CLONE_CHILD_CLEARTID) { + ts->child_tidptr = child_tidptr; + } + + if (nptl_flags & CLONE_SETTLS) + cpu_set_tls (new_env, newtls); + + /* Grab the global cpu lock so that the thread setup appears + atomic. */ + if (nptl_flags & CLONE_CHILD_SETTID) + spin_lock(&nptl_lock); + +#else + if (flags & CLONE_NPTL_FLAGS2) + return -EINVAL; +#endif +#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 +#endif + } else { + /* if no CLONE_VM, we consider it is a fork */ + if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) + return -EINVAL; + fork_start(); + ret = fork(); + if (ret == 0) { + /* Child Process. */ + cpu_clone_regs(env, newsp); + fork_end(1); +#if defined(USE_NPTL) + /* There is a race condition here. The parent process could + theoretically read the TID in the child process before the child + tid is set. This would require using either ptrace + (not implemented) or having *_tidptr to point at a shared memory + mapping. We can't repeat the spinlock hack used above because + the child process gets its own copy of the lock. */ + if (flags & CLONE_CHILD_SETTID) + put_user_u32(gettid(), child_tidptr); + if (flags & CLONE_PARENT_SETTID) + put_user_u32(gettid(), parent_tidptr); + ts = (TaskState *)env->opaque; + if (flags & CLONE_SETTLS) + cpu_set_tls (env, newtls); + /* TODO: Implement CLONE_CHILD_CLEARTID. */ +#endif + } else { + fork_end(0); + } + } + 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)) || \ + (defined(__x86_64__) && defined(TARGET_X86_64)) + if (unlikely(ie->target_cmd != ie->host_cmd)) { + fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", + ie->name, 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_BIGENDIAN + 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); + return 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); + return 0; +} + +#ifdef TARGET_NR_stat64 +static inline abi_long host_to_target_stat64(void *cpu_env, + abi_ulong target_addr, + struct stat *host_st) +{ +#ifdef TARGET_ARM + if (((CPUARMState *)cpu_env)->eabi) { + struct target_eabi_stat64 *target_st; + + if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) + return -TARGET_EFAULT; + memset(target_st, 0, sizeof(struct target_eabi_stat64)); + __put_user(host_st->st_dev, &target_st->st_dev); + __put_user(host_st->st_ino, &target_st->st_ino); +#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO + __put_user(host_st->st_ino, &target_st->__st_ino); +#endif + __put_user(host_st->st_mode, &target_st->st_mode); + __put_user(host_st->st_nlink, &target_st->st_nlink); + __put_user(host_st->st_uid, &target_st->st_uid); + __put_user(host_st->st_gid, &target_st->st_gid); + __put_user(host_st->st_rdev, &target_st->st_rdev); + __put_user(host_st->st_size, &target_st->st_size); + __put_user(host_st->st_blksize, &target_st->st_blksize); + __put_user(host_st->st_blocks, &target_st->st_blocks); + __put_user(host_st->st_atime, &target_st->target_st_atime); + __put_user(host_st->st_mtime, &target_st->target_st_mtime); + __put_user(host_st->st_ctime, &target_st->target_st_ctime); + unlock_user_struct(target_st, target_addr, 1); + } else +#endif + { + struct target_stat64 *target_st; + + if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) + return -TARGET_EFAULT; + memset(target_st, 0, sizeof(struct target_stat64)); + __put_user(host_st->st_dev, &target_st->st_dev); + __put_user(host_st->st_ino, &target_st->st_ino); +#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO + __put_user(host_st->st_ino, &target_st->__st_ino); +#endif + __put_user(host_st->st_mode, &target_st->st_mode); + __put_user(host_st->st_nlink, &target_st->st_nlink); + __put_user(host_st->st_uid, &target_st->st_uid); + __put_user(host_st->st_gid, &target_st->st_gid); + __put_user(host_st->st_rdev, &target_st->st_rdev); + /* XXX: better use of kernel struct */ + __put_user(host_st->st_size, &target_st->st_size); + __put_user(host_st->st_blksize, &target_st->st_blksize); + __put_user(host_st->st_blocks, &target_st->st_blocks); + __put_user(host_st->st_atime, &target_st->target_st_atime); + __put_user(host_st->st_mtime, &target_st->target_st_mtime); + __put_user(host_st->st_ctime, &target_st->target_st_ctime); + unlock_user_struct(target_st, target_addr, 1); + } + + return 0; +} +#endif + +#if defined(USE_NPTL) +/* ??? Using host futex calls even when target atomic operations + are not really atomic probably breaks things. However implementing + futexes locally would make futexes shared between multiple processes + tricky. However they're probably useless because guest atomic + operations won't work either. */ +static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, + target_ulong uaddr2, int val3) +{ + struct timespec ts, *pts; + + /* ??? We assume FUTEX_* constants are the same on both host + and target. */ + switch (op) { + case FUTEX_WAIT: + if (timeout) { + pts = &ts; + target_to_host_timespec(pts, timeout); + } else { + pts = NULL; + } + return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val), + pts, NULL, 0)); + case FUTEX_WAKE: + return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0)); + case FUTEX_FD: + return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0)); + case FUTEX_REQUEUE: + return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val, + NULL, g2h(uaddr2), 0)); + case FUTEX_CMP_REQUEUE: + return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val, + NULL, g2h(uaddr2), tswap32(val3))); + default: + return -TARGET_ENOSYS; + } +} +#endif + +int get_osversion(void) +{ + static int osversion; + struct new_utsname buf; + const char *s; + int i, n, tmp; + if (osversion) + return osversion; + if (qemu_uname_release && *qemu_uname_release) { + s = qemu_uname_release; + } else { + if (sys_uname(&buf)) + return 0; + s = buf.release; + } + tmp = 0; + for (i = 0; i < 3; i++) { + n = 0; + while (*s >= '0' && *s <= '9') { + n *= 10; + n += *s - '0'; + s++; + } + tmp = (tmp << 8) + n; + if (*s == '.') + s++; + } + osversion = tmp; + return osversion; +} + +/* 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_. */ +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 */ + sys_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, 0, 0, 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_waitid + case TARGET_NR_waitid: + { + siginfo_t info; + info.si_pid = 0; + ret = get_errno(waitid(arg1, arg2, &info, arg4)); + if (!is_error(ret) && arg3 && info.si_pid != 0) { + if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) + goto efault; + host_to_target_siginfo(p, &info); + unlock_user(p, arg3, sizeof(target_siginfo_t)); + } + } + 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); + break; +#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; gp += sizeof(abi_ulong)) { + if (get_user_ual(addr, gp)) + goto efault; + if (!addr) + break; + argc++; + } + envc = 0; + guest_envp = arg3; + for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { + if (get_user_ual(addr, gp)) + goto efault; + if (!addr) + break; + envc++; + } + + argp = alloca((argc + 1) * sizeof(void *)); + envp = alloca((envc + 1) * sizeof(void *)); + + for (gp = guest_argp, q = argp; gp; + 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; + 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: + if (gdb_wrapper) { + /* Pretend something else is attached to the target process. */ + ret = -EPERM; + break; + } + 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) { + if (copy_from_user_timeval(&tv[0], arg2) + || copy_from_user_timeval(&tv[1], + arg2 + sizeof(struct target_timeval))) + goto efault; + 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; +#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat) + case TARGET_NR_futimesat: + { + struct timeval *tvp, tv[2]; + if (arg3) { + if (copy_from_user_timeval(&tv[0], arg3) + || copy_from_user_timeval(&tv[1], + arg3 + sizeof(struct target_timeval))) + goto efault; + tvp = tv; + } else { + tvp = NULL; + } + if (!(p = lock_user_string(arg2))) + goto efault; + ret = get_errno(sys_futimesat(arg1, path(p), tvp)); + unlock_user(p, arg2, 0); + } + break; +#endif +#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, target_to_host_signal(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->active_tc.gpr[3] = host_pipe[1]; + ret = host_pipe[0]; +#elif defined(TARGET_SH4) + ((CPUSH4State*)cpu_env)->gregs[1] = 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_siginfo_t), 0))) + goto efault; + host_to_target_siginfo(p, &uinfo); + unlock_user(p, arg2, sizeof(target_siginfo_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)) { + if (copy_to_user_timeval(arg1, &tv)) + goto efault; + } + } + break; + case TARGET_NR_settimeofday: + { + struct timeval tv; + if (copy_from_user_timeval(&tv, arg1)) + goto efault; + 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: +#ifndef MMAP_SHIFT +#define MMAP_SHIFT 12 +#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: + { + TaskState *ts = ((CPUState *)cpu_env)->opaque; + /* Special hack for libc making the stack executable. */ + if ((arg3 & TARGET_PROT_GROWSDOWN) + && (arg1 + TARGET_PAGE_SIZE == ts->info->stack_base)) { + arg3 &= ~TARGET_PROT_GROWSDOWN; + arg1 = ts->info->stack_base - x86_stack_size; + arg2 = x86_stack_size; + } + } + 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; + if (copy_from_user_timeval(&pvalue->it_interval, arg2) + || copy_from_user_timeval(&pvalue->it_value, + arg2 + sizeof(struct target_timeval))) + goto efault; + } else { + pvalue = NULL; + } + ret = get_errno(setitimer(arg1, pvalue, &ovalue)); + if (!is_error(ret) && arg3) { + if (copy_to_user_timeval(arg3, + &ovalue.it_interval) + || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), + &ovalue.it_value)) + goto efault; + } + } + break; + case TARGET_NR_getitimer: + { + struct itimerval value; + + ret = get_errno(getitimer(arg1, &value)); + if (!is_error(ret) && arg2) { + if (copy_to_user_timeval(arg2, + &value.it_interval) + || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), + &value.it_value)) + goto efault; + } + } + 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 + +#ifdef TARGET_NR_msgctl + case TARGET_NR_msgctl: + ret = do_msgctl(arg1, arg2, arg3); + break; +#endif +#ifdef TARGET_NR_msgget + case TARGET_NR_msgget: + ret = get_errno(msgget(arg1, arg2)); + break; +#endif +#ifdef TARGET_NR_msgrcv + case TARGET_NR_msgrcv: + ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); + break; +#endif +#ifdef TARGET_NR_msgsnd + case TARGET_NR_msgsnd: + ret = do_msgsnd(arg1, arg2, arg3, arg4); + break; +#endif + case TARGET_NR_fsync: + ret = get_errno(fsync(arg1)); + break; + case TARGET_NR_clone: +#if defined(TARGET_SH4) + ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); +#else + ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); +#endif + break; +#ifdef __NR_exit_group + /* new thread calls */ + case TARGET_NR_exit_group: +#ifdef HAVE_GPROF + _mcleanup(); +#endif + 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 linux_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 linux_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 */ + pstrcpy(tde->d_name, tnamelen, de->d_name); + de = (struct linux_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 linux_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 linux_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 linux_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 linux_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 linux_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 linux_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)); + if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0) + goto efault; + 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)); + if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0) + goto efault; + 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: +#ifdef TARGET_ARM + if (((CPUARMState *)cpu_env)->eabi) + arg4 = arg5; +#endif + 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: +#ifdef TARGET_ARM + if (((CPUARMState *)cpu_env)->eabi) + arg4 = arg5; +#endif + 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 +#ifdef TARGET_NR_pread64 + case TARGET_NR_pread64: + if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) + goto efault; + ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); + unlock_user(p, arg2, ret); + break; + case TARGET_NR_pwrite64: + if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) + goto efault; + ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); + 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, 0, 0, 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); + if (!is_error(ret)) + ret = host_to_target_stat64(cpu_env, arg2, &st); + break; +#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); + if (!is_error(ret)) + ret = host_to_target_stat64(cpu_env, arg2, &st); + break; +#endif +#ifdef TARGET_NR_fstat64 + case TARGET_NR_fstat64: + ret = get_errno(fstat(arg1, &st)); + if (!is_error(ret)) + ret = host_to_target_stat64(cpu_env, arg2, &st); + break; +#endif +#if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64) + case TARGET_NR_fstatat64: + if (!(p = lock_user_string(arg2))) + goto efault; + ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); + if (!is_error(ret)) + ret = host_to_target_stat64(cpu_env, arg3, &st); + 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 (gidsetsize == 0) + break; + if (!is_error(ret)) { + target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); + if (!target_grouplist) + goto efault; + for(i = 0;i < ret; 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 + +#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) + /* Alpha specific */ + case TARGET_NR_getxuid: + { + uid_t euid; + euid=geteuid(); + ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; + } + ret = get_errno(getuid()); + break; +#endif +#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) + /* Alpha specific */ + case TARGET_NR_getxgid: + { + uid_t egid; + egid=getegid(); + ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; + } + ret = get_errno(getgid()); + 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 (gidsetsize == 0) + break; + 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 < ret; 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: + { + void *a; + ret = -TARGET_EFAULT; + if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) + goto efault; + if (!(p = lock_user_string(arg3))) + goto mincore_fail; + ret = get_errno(mincore(a, arg2, p)); + unlock_user(p, arg3, ret); + mincore_fail: + unlock_user(a, arg1, 0); + } + break; +#endif +#ifdef TARGET_NR_arm_fadvise64_64 + case TARGET_NR_arm_fadvise64_64: + { + /* + * arm_fadvise64_64 looks like fadvise64_64 but + * with different argument order + */ + abi_long temp; + temp = arg3; + arg3 = arg4; + arg4 = temp; + } +#endif +#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) +#ifdef TARGET_NR_fadvise64_64 + case TARGET_NR_fadvise64_64: +#endif + /* This is a hint, so ignoring and returning success is ok. */ + ret = get_errno(0); + break; +#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: +#if TARGET_ABI_BITS == 32 +#ifdef TARGET_ARM + if (((CPUARMState *)cpu_env)->eabi) + { + arg2 = arg3; + arg3 = arg4; + arg4 = arg5; + } +#endif + ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4)); +#else + ret = get_errno(readahead(arg1, arg2, arg3)); +#endif + break; +#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 +#ifdef TARGET_NR_clock_nanosleep + case TARGET_NR_clock_nanosleep: + { + struct timespec ts; + target_to_host_timespec(&ts, arg3); + ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL)); + if (arg4) + host_to_target_timespec(arg4, &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, target_to_host_signal(arg2))); + break; +#endif + +#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) + case TARGET_NR_tgkill: + ret = get_errno(sys_tgkill((int)arg1, (int)arg2, + target_to_host_signal(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 +#if defined(USE_NPTL) + case TARGET_NR_futex: + ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); + break; +#endif +#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) + case TARGET_NR_inotify_init: + ret = get_errno(sys_inotify_init()); + break; +#endif +#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) + case TARGET_NR_inotify_add_watch: + p = lock_user_string(arg2); + ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); + unlock_user(p, arg2, 0); + break; +#endif +#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) + case TARGET_NR_inotify_rm_watch: + ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); + break; +#endif + + default: + unimplemented: + if (show_missing_syscalls) + 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; +}