diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 595 |
1 files changed, 478 insertions, 117 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 59c91f8da..53a11ab87 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -18,6 +18,7 @@ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, * MA 02110-1301, USA. */ +#define _ATFILE_SOURCE #include <stdlib.h> #include <stdio.h> #include <stdarg.h> @@ -77,6 +78,7 @@ #include <linux/soundcard.h> #include <linux/kd.h> #include <linux/mtio.h> +#include <linux/fs.h> #include "linux_loop.h" #include "qemu.h" @@ -93,12 +95,6 @@ //#define DEBUG -#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \ - || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS) -/* 16 bit uid wrappers emulation */ -#define USE_UID16 -#endif - //#include <linux/msdos_fs.h> #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) @@ -412,13 +408,6 @@ static int sys_unlinkat(int dirfd, const char *pathname, int flags) return (unlinkat(dirfd, pathname, flags)); } #endif -#ifdef TARGET_NR_utimensat -static int sys_utimensat(int dirfd, const char *pathname, - const struct timespec times[2], int flags) -{ - return (utimensat(dirfd, pathname, times, flags)); -} -#endif #else /* !CONFIG_ATFILE */ /* @@ -477,12 +466,24 @@ _syscall3(int,sys_symlinkat,const char *,oldpath, #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) #endif + +#endif /* CONFIG_ATFILE */ + +#ifdef CONFIG_UTIMENSAT +static int sys_utimensat(int dirfd, const char *pathname, + const struct timespec times[2], int flags) +{ + if (pathname == NULL) + return futimens(dirfd, times); + else + return utimensat(dirfd, pathname, times, flags); +} +#else #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, const struct timespec *,tsp,int,flags) #endif - -#endif /* CONFIG_ATFILE */ +#endif /* CONFIG_UTIMENSAT */ #ifdef CONFIG_INOTIFY #include <sys/inotify.h> @@ -944,6 +945,55 @@ static abi_long do_select(int n, return ret; } +static abi_long do_pipe2(int host_pipe[], int flags) +{ +#ifdef CONFIG_PIPE2 + return pipe2(host_pipe, flags); +#else + return -ENOSYS; +#endif +} + +static abi_long do_pipe(void *cpu_env, int pipedes, int flags) +{ + int host_pipe[2]; + abi_long ret; + ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); + + if (is_error(ret)) + return get_errno(ret); +#if defined(TARGET_MIPS) + ((CPUMIPSState*)cpu_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], pipedes) + || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) + return -TARGET_EFAULT; +#endif + return get_errno(ret); +} + +static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, + abi_ulong target_addr, + socklen_t len) +{ + struct target_ip_mreqn *target_smreqn; + + target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); + if (!target_smreqn) + return -TARGET_EFAULT; + mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; + mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; + if (len == sizeof(struct target_ip_mreqn)) + mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex); + unlock_user(target_smreqn, target_addr, 0); + + return 0; +} + static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, abi_ulong target_addr, socklen_t len) @@ -1119,6 +1169,8 @@ static abi_long do_setsockopt(int sockfd, int level, int optname, { abi_long ret; int val; + struct ip_mreqn *ip_mreq; + struct ip_mreq_source *ip_mreq_source; switch(level) { case SOL_TCP: @@ -1157,6 +1209,29 @@ static abi_long do_setsockopt(int sockfd, int level, int optname, } ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); break; + case IP_ADD_MEMBERSHIP: + case IP_DROP_MEMBERSHIP: + if (optlen < sizeof (struct target_ip_mreq) || + optlen > sizeof (struct target_ip_mreqn)) + return -TARGET_EINVAL; + + ip_mreq = (struct ip_mreqn *) alloca(optlen); + target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); + ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); + break; + + case IP_BLOCK_SOURCE: + case IP_UNBLOCK_SOURCE: + case IP_ADD_SOURCE_MEMBERSHIP: + case IP_DROP_SOURCE_MEMBERSHIP: + if (optlen != sizeof (struct target_ip_mreq_source)) + return -TARGET_EINVAL; + + ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); + ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); + unlock_user (ip_mreq_source, optval_addr, 0); + break; + default: goto unimplemented; } @@ -1273,7 +1348,6 @@ static abi_long do_getsockopt(int sockfd, int level, int optname, 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) { @@ -1924,14 +1998,12 @@ static abi_long do_socketcall(int num, abi_ulong vptr) } #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 { @@ -2424,6 +2496,224 @@ end: return ret; } +struct target_shmid_ds +{ + struct target_ipc_perm shm_perm; + abi_ulong shm_segsz; + abi_ulong shm_atime; +#if TARGET_ABI_BITS == 32 + abi_ulong __unused1; +#endif + abi_ulong shm_dtime; +#if TARGET_ABI_BITS == 32 + abi_ulong __unused2; +#endif + abi_ulong shm_ctime; +#if TARGET_ABI_BITS == 32 + abi_ulong __unused3; +#endif + int shm_cpid; + int shm_lpid; + abi_ulong shm_nattch; + unsigned long int __unused4; + unsigned long int __unused5; +}; + +static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, + abi_ulong target_addr) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) + return -TARGET_EFAULT; + if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) + return -TARGET_EFAULT; + __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __get_user(host_sd->shm_atime, &target_sd->shm_atime); + __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); + __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); + unlock_user_struct(target_sd, target_addr, 0); + return 0; +} + +static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, + struct shmid_ds *host_sd) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) + return -TARGET_EFAULT; + if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) + return -TARGET_EFAULT; + __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __put_user(host_sd->shm_atime, &target_sd->shm_atime); + __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); + __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); + unlock_user_struct(target_sd, target_addr, 1); + return 0; +} + +struct target_shminfo { + abi_ulong shmmax; + abi_ulong shmmin; + abi_ulong shmmni; + abi_ulong shmseg; + abi_ulong shmall; +}; + +static inline abi_long host_to_target_shminfo(abi_ulong target_addr, + struct shminfo *host_shminfo) +{ + struct target_shminfo *target_shminfo; + if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) + return -TARGET_EFAULT; + __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); + __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); + __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); + __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); + __put_user(host_shminfo->shmall, &target_shminfo->shmall); + unlock_user_struct(target_shminfo, target_addr, 1); + return 0; +} + +struct target_shm_info { + int used_ids; + abi_ulong shm_tot; + abi_ulong shm_rss; + abi_ulong shm_swp; + abi_ulong swap_attempts; + abi_ulong swap_successes; +}; + +static inline abi_long host_to_target_shm_info(abi_ulong target_addr, + struct shm_info *host_shm_info) +{ + struct target_shm_info *target_shm_info; + if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) + return -TARGET_EFAULT; + __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); + __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); + __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); + __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); + __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); + __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); + unlock_user_struct(target_shm_info, target_addr, 1); + return 0; +} + +static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) +{ + struct shmid_ds dsarg; + struct shminfo shminfo; + struct shm_info shm_info; + abi_long ret = -TARGET_EINVAL; + + cmd &= 0xff; + + switch(cmd) { + case IPC_STAT: + case IPC_SET: + case SHM_STAT: + if (target_to_host_shmid_ds(&dsarg, buf)) + return -TARGET_EFAULT; + ret = get_errno(shmctl(shmid, cmd, &dsarg)); + if (host_to_target_shmid_ds(buf, &dsarg)) + return -TARGET_EFAULT; + break; + case IPC_INFO: + ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); + if (host_to_target_shminfo(buf, &shminfo)) + return -TARGET_EFAULT; + break; + case SHM_INFO: + ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); + if (host_to_target_shm_info(buf, &shm_info)) + return -TARGET_EFAULT; + break; + case IPC_RMID: + case SHM_LOCK: + case SHM_UNLOCK: + ret = get_errno(shmctl(shmid, cmd, NULL)); + break; + } + + return ret; +} + +static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) +{ + abi_long raddr; + void *host_raddr; + struct shmid_ds shm_info; + int i,ret; + + /* find out the length of the shared memory segment */ + ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); + if (is_error(ret)) { + /* can't get length, bail out */ + return ret; + } + + mmap_lock(); + + if (shmaddr) + host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); + else { + abi_ulong mmap_start; + + mmap_start = mmap_find_vma(0, shm_info.shm_segsz); + + if (mmap_start == -1) { + errno = ENOMEM; + host_raddr = (void *)-1; + } else + host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); + } + + if (host_raddr == (void *)-1) { + mmap_unlock(); + return get_errno((long)host_raddr); + } + raddr=h2g((unsigned long)host_raddr); + + page_set_flags(raddr, raddr + shm_info.shm_segsz, + PAGE_VALID | PAGE_READ | + ((shmflg & 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; + } + } + + mmap_unlock(); + return raddr; + +} + +static inline abi_long do_shmdt(abi_ulong shmaddr) +{ + int i; + + for (i = 0; i < N_SHM_REGIONS; ++i) { + if (shm_regions[i].start == shmaddr) { + shm_regions[i].start = 0; + page_set_flags(shmaddr, shm_regions[i].size, 0); + break; + } + } + + return get_errno(shmdt(g2h(shmaddr))); +} + #ifdef TARGET_NR_ipc /* ??? This only works with linear mappings. */ /* do_ipc() must return target values and target errnos. */ @@ -2433,8 +2723,6 @@ static abi_long do_ipc(unsigned int call, int first, { int version; abi_long ret = 0; - struct shmid_ds shm_info; - int i; version = call >> 16; call &= 0xffff; @@ -2489,48 +2777,24 @@ static abi_long do_ipc(unsigned int call, int first, break; case IPCOP_shmat: + switch (version) { + default: { 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; - } - } + raddr = do_shmat(first, ptr, second); + if (is_error(raddr)) + return get_errno(raddr); if (put_user_ual(raddr, third)) return -TARGET_EFAULT; - ret = 0; + break; + } + case 1: + ret = -TARGET_EINVAL; + break; } 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))); + ret = do_shmdt(ptr); break; case IPCOP_shmget: @@ -2540,18 +2804,9 @@ static abi_long do_ipc(unsigned int call, int first, /* 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; - } + ret = do_shmctl(first, second, third); break; default: - unimplemented: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); ret = -TARGET_ENOSYS; break; @@ -2797,6 +3052,7 @@ static void target_to_host_termios (void *dst, const void *src) target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); host->c_line = target->c_line; + memset(host->c_cc, 0, sizeof(host->c_cc)); 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]; @@ -2831,6 +3087,7 @@ static void host_to_target_termios (void *dst, const void *src) tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); target->c_line = host->c_line; + memset(target->c_cc, 0, sizeof(target->c_cc)); 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]; @@ -3198,11 +3455,14 @@ static void *clone_func(void *arg) { new_thread_info *info = arg; CPUState *env; + TaskState *ts; env = info->env; thread_env = env; + ts = (TaskState *)thread_env->opaque; info->tid = gettid(); env->host_tid = info->tid; + task_settid(ts); if (info->child_tidptr) put_user_u32(info->tid, info->child_tidptr); if (info->parent_tidptr) @@ -3254,6 +3514,7 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp, flags &= ~(CLONE_VFORK | CLONE_VM); if (flags & CLONE_VM) { + TaskState *parent_ts = (TaskState *)env->opaque; #if defined(USE_NPTL) new_thread_info info; pthread_attr_t attr; @@ -3266,6 +3527,8 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp, /* Init regs that differ from the parent. */ cpu_clone_regs(new_env, newsp); new_env->opaque = ts; + ts->bprm = parent_ts->bprm; + ts->info = parent_ts->info; #if defined(USE_NPTL) nptl_flags = flags; flags &= ~CLONE_NPTL_FLAGS2; @@ -3359,6 +3622,44 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp, return ret; } +/* warning : doesn't handle linux specific flags... */ +static int target_to_host_fcntl_cmd(int cmd) +{ + switch(cmd) { + case TARGET_F_DUPFD: + case TARGET_F_GETFD: + case TARGET_F_SETFD: + case TARGET_F_GETFL: + case TARGET_F_SETFL: + return cmd; + case TARGET_F_GETLK: + return F_GETLK; + case TARGET_F_SETLK: + return F_SETLK; + case TARGET_F_SETLKW: + return F_SETLKW; + case TARGET_F_GETOWN: + return F_GETOWN; + case TARGET_F_SETOWN: + return F_SETOWN; + case TARGET_F_GETSIG: + return F_GETSIG; + case TARGET_F_SETSIG: + return F_SETSIG; +#if TARGET_ABI_BITS == 32 + case TARGET_F_GETLK64: + return F_GETLK64; + case TARGET_F_SETLK64: + return F_SETLK64; + case TARGET_F_SETLKW64: + return F_SETLKW64; +#endif + default: + return -TARGET_EINVAL; + } + return -TARGET_EINVAL; +} + static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) { struct flock fl; @@ -3366,6 +3667,10 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) struct flock64 fl64; struct target_flock64 *target_fl64; abi_long ret; + int host_cmd = target_to_host_fcntl_cmd(cmd); + + if (host_cmd == -TARGET_EINVAL) + return host_cmd; switch(cmd) { case TARGET_F_GETLK: @@ -3377,7 +3682,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) 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)); + ret = get_errno(fcntl(fd, host_cmd, &fl)); if (ret == 0) { if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) return -TARGET_EFAULT; @@ -3400,7 +3705,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) 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)); + ret = get_errno(fcntl(fd, host_cmd, &fl)); break; case TARGET_F_GETLK64: @@ -3412,7 +3717,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) 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)); + ret = get_errno(fcntl(fd, host_cmd, &fl64)); if (ret == 0) { if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) return -TARGET_EFAULT; @@ -3434,18 +3739,25 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) 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)); + ret = get_errno(fcntl(fd, host_cmd, &fl64)); break; - case F_GETFL: - ret = get_errno(fcntl(fd, cmd, arg)); + case TARGET_F_GETFL: + ret = get_errno(fcntl(fd, host_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))); + case TARGET_F_SETFL: + ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); + break; + + case TARGET_F_SETOWN: + case TARGET_F_GETOWN: + case TARGET_F_SETSIG: + case TARGET_F_GETSIG: + ret = get_errno(fcntl(fd, host_cmd, arg)); break; default: @@ -3694,7 +4006,11 @@ static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, /* ??? We assume FUTEX_* constants are the same on both host and target. */ +#ifdef FUTEX_CMD_MASK + switch ((op&FUTEX_CMD_MASK)) { +#else switch (op) { +#endif case FUTEX_WAIT: if (timeout) { pts = &ts; @@ -3702,17 +4018,19 @@ static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, } else { pts = NULL; } - return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val), + return get_errno(sys_futex(g2h(uaddr), op, tswap32(val), pts, NULL, 0)); case FUTEX_WAKE: - return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0)); + return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); + case FUTEX_WAKE_OP: + return get_errno(sys_futex(g2h(uaddr), op, val, NULL, g2h(uaddr2), val3 )); case FUTEX_FD: - return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0)); + return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); case FUTEX_REQUEUE: - return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val, + return get_errno(sys_futex(g2h(uaddr), op, val, NULL, g2h(uaddr2), 0)); case FUTEX_CMP_REQUEUE: - return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val, + return get_errno(sys_futex(g2h(uaddr), op, val, NULL, g2h(uaddr2), tswap32(val3))); default: return -TARGET_ENOSYS; @@ -4291,25 +4609,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, 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 - } - } + ret = do_pipe(cpu_env, arg1, 0); break; +#ifdef TARGET_NR_pipe2 + case TARGET_NR_pipe2: + ret = do_pipe(cpu_env, arg1, arg2); + break; +#endif case TARGET_NR_times: { struct target_tms *tmsp; @@ -5312,6 +5618,26 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = do_msgsnd(arg1, arg2, arg3, arg4); break; #endif +#ifdef TARGET_NR_shmget + case TARGET_NR_shmget: + ret = get_errno(shmget(arg1, arg2, arg3)); + break; +#endif +#ifdef TARGET_NR_shmctl + case TARGET_NR_shmctl: + ret = do_shmctl(arg1, arg2, arg3); + break; +#endif +#ifdef TARGET_NR_shmat + case TARGET_NR_shmat: + ret = do_shmat(arg1, arg2, arg3); + break; +#endif +#ifdef TARGET_NR_shmdt + case TARGET_NR_shmdt: + ret = do_shmdt(arg1); + break; +#endif case TARGET_NR_fsync: ret = get_errno(fsync(arg1)); break; @@ -6224,20 +6550,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, 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; - } + cmd = target_to_host_fcntl_cmd(arg2); + if (cmd == -TARGET_EINVAL) + return cmd; switch(arg2) { case TARGET_F_GETLK64: @@ -6317,7 +6632,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(fcntl(arg1, cmd, &fl)); break; default: - ret = do_fcntl(arg1, cmd, arg3); + ret = do_fcntl(arg1, arg2, arg3); break; } break; @@ -6371,7 +6686,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_removexattr: case TARGET_NR_lremovexattr: case TARGET_NR_fremovexattr: - goto unimplemented_nowarn; + ret = -TARGET_EOPNOTSUPP; + break; #endif #ifdef TARGET_NR_set_thread_area case TARGET_NR_set_thread_area: @@ -6468,17 +6784,22 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #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)); + struct timespec *tsp, ts[2]; + if (!arg3) { + tsp = NULL; + } else { + target_to_host_timespec(ts, arg3); + target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); + tsp = ts; + } if (!arg2) - ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4)); + ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); else { if (!(p = lock_user_string(arg2))) { ret = -TARGET_EFAULT; goto fail; } - ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); + ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); unlock_user(p, arg2, 0); } } @@ -6582,6 +6903,46 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, break; #endif +#ifdef CONFIG_SPLICE +#ifdef TARGET_NR_tee + case TARGET_NR_tee: + { + ret = get_errno(tee(arg1,arg2,arg3,arg4)); + } + break; +#endif +#ifdef TARGET_NR_splice + case TARGET_NR_splice: + { + loff_t loff_in, loff_out; + loff_t *ploff_in = NULL, *ploff_out = NULL; + if(arg2) { + get_user_u64(loff_in, arg2); + ploff_in = &loff_in; + } + if(arg4) { + get_user_u64(loff_out, arg2); + ploff_out = &loff_out; + } + ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); + } + break; +#endif +#ifdef TARGET_NR_vmsplice + case TARGET_NR_vmsplice: + { + 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(vmsplice(arg1, vec, count, arg4)); + unlock_iovec(vec, arg2, count, 0); + } + break; +#endif +#endif /* CONFIG_SPLICE */ default: unimplemented: gemu_log("qemu: Unsupported syscall: %d\n", num); |