| /* |
| * Linux syscalls |
| * |
| * Copyright (c) 2003 Fabrice Bellard |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include <elf.h> |
| #include <endian.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <sys/time.h> |
| #include <sys/stat.h> |
| #include <sys/mount.h> |
| #include <sys/resource.h> |
| #include <sys/mman.h> |
| #include <sys/swap.h> |
| #include <signal.h> |
| #include <sched.h> |
| #include <sys/socket.h> |
| #include <sys/uio.h> |
| //#include <sys/user.h> |
| |
| #define termios host_termios |
| #define winsize host_winsize |
| #define termio host_termio |
| |
| #include <linux/termios.h> |
| #include <linux/unistd.h> |
| #include <linux/utsname.h> |
| #include <linux/cdrom.h> |
| #include <linux/hdreg.h> |
| #include <linux/soundcard.h> |
| |
| #include "gemu.h" |
| |
| //#define DEBUG |
| |
| #ifndef PAGE_SIZE |
| #define PAGE_SIZE 4096 |
| #define PAGE_MASK ~(PAGE_SIZE - 1) |
| #endif |
| |
| struct dirent { |
| long d_ino; |
| long d_off; |
| unsigned short d_reclen; |
| char d_name[256]; /* We must not include limits.h! */ |
| }; |
| |
| //#include <linux/msdos_fs.h> |
| #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) |
| #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) |
| |
| #include "syscall_defs.h" |
| |
| #ifdef TARGET_I386 |
| #include "cpu-i386.h" |
| #include "syscall-i386.h" |
| #endif |
| |
| #define __NR_sys_uname __NR_uname |
| #define __NR_sys_getcwd1 __NR_getcwd |
| #define __NR_sys_statfs __NR_statfs |
| #define __NR_sys_fstatfs __NR_fstatfs |
| #define __NR_sys_getdents __NR_getdents |
| |
| #ifdef __NR_gettid |
| _syscall0(int, gettid) |
| #else |
| static int gettid(void) { |
| return -ENOSYS; |
| } |
| #endif |
| _syscall1(int,sys_uname,struct new_utsname *,buf) |
| _syscall2(int,sys_getcwd1,char *,buf,size_t,size) |
| _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); |
| _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
| loff_t *, res, uint, wh); |
| _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf) |
| _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf) |
| |
| static inline long get_errno(long ret) |
| { |
| if (ret == -1) |
| return -errno; |
| else |
| return ret; |
| } |
| |
| static inline int is_error(long ret) |
| { |
| return (unsigned long)ret >= (unsigned long)(-4096); |
| } |
| |
| static char *target_brk; |
| static char *target_original_brk; |
| |
| void target_set_brk(char *new_brk) |
| { |
| target_brk = new_brk; |
| target_original_brk = new_brk; |
| } |
| |
| static long do_brk(char *new_brk) |
| { |
| char *brk_page; |
| long mapped_addr; |
| int new_alloc_size; |
| |
| if (!new_brk) |
| return (long)target_brk; |
| if (new_brk < target_original_brk) |
| return -ENOMEM; |
| |
| brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK); |
| |
| /* If the new brk is less than this, set it and we're done... */ |
| if (new_brk < brk_page) { |
| target_brk = new_brk; |
| return (long)target_brk; |
| } |
| |
| /* We need to allocate more memory after the brk... */ |
| new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK; |
| mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size, |
| PROT_READ|PROT_WRITE, |
| MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); |
| |
| if (is_error(mapped_addr)) { |
| return mapped_addr; |
| } else { |
| target_brk = new_brk; |
| return (long)target_brk; |
| } |
| } |
| |
| static inline fd_set *target_to_host_fds(fd_set *fds, |
| target_long *target_fds, int n) |
| { |
| #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) |
| return (fd_set *)target_fds; |
| #else |
| int i, b; |
| if (target_fds) { |
| FD_ZERO(fds); |
| for(i = 0;i < n; i++) { |
| b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> |
| (i & (TARGET_LONG_BITS - 1))) & 1; |
| if (b) |
| FD_SET(i, fds); |
| } |
| return fds; |
| } else { |
| return NULL; |
| } |
| #endif |
| } |
| |
| static inline void host_to_target_fds(target_long *target_fds, |
| fd_set *fds, int n) |
| { |
| #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) |
| /* nothing to do */ |
| #else |
| int i, nw, j, k; |
| target_long v; |
| |
| if (target_fds) { |
| nw = n / TARGET_LONG_BITS; |
| k = 0; |
| for(i = 0;i < nw; i++) { |
| v = 0; |
| for(j = 0; j < TARGET_LONG_BITS; j++) { |
| v |= ((FD_ISSET(k, fds) != 0) << j); |
| k++; |
| } |
| target_fds[i] = tswapl(v); |
| } |
| } |
| #endif |
| } |
| |
| /* XXX: incorrect for some archs */ |
| static void host_to_target_old_sigset(target_ulong *old_sigset, |
| const sigset_t *sigset) |
| { |
| *old_sigset = tswap32(*(unsigned long *)sigset & 0xffffffff); |
| } |
| |
| static void target_to_host_old_sigset(sigset_t *sigset, |
| const target_ulong *old_sigset) |
| { |
| sigemptyset(sigset); |
| *(unsigned long *)sigset = tswapl(*old_sigset); |
| } |
| |
| |
| static long do_select(long n, |
| target_long *target_rfds, target_long *target_wfds, |
| target_long *target_efds, struct target_timeval *target_tv) |
| { |
| fd_set rfds, wfds, efds; |
| fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
| struct timeval tv, *tv_ptr; |
| long ret; |
| |
| rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); |
| wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); |
| efds_ptr = target_to_host_fds(&efds, target_efds, n); |
| |
| if (target_tv) { |
| tv.tv_sec = tswapl(target_tv->tv_sec); |
| tv.tv_usec = tswapl(target_tv->tv_usec); |
| tv_ptr = &tv; |
| } else { |
| tv_ptr = NULL; |
| } |
| ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
| if (!is_error(ret)) { |
| host_to_target_fds(target_rfds, rfds_ptr, n); |
| host_to_target_fds(target_wfds, wfds_ptr, n); |
| host_to_target_fds(target_efds, efds_ptr, n); |
| |
| if (target_tv) { |
| target_tv->tv_sec = tswapl(tv.tv_sec); |
| target_tv->tv_usec = tswapl(tv.tv_usec); |
| } |
| } |
| return ret; |
| } |
| |
| static long do_socketcall(int num, long *vptr) |
| { |
| long ret; |
| |
| switch(num) { |
| case SOCKOP_socket: |
| ret = get_errno(socket(vptr[0], vptr[1], vptr[2])); |
| break; |
| case SOCKOP_bind: |
| ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); |
| break; |
| case SOCKOP_connect: |
| ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); |
| break; |
| case SOCKOP_listen: |
| ret = get_errno(listen(vptr[0], vptr[1])); |
| break; |
| case SOCKOP_accept: |
| { |
| socklen_t size; |
| size = tswap32(*(int32_t *)vptr[2]); |
| ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size)); |
| if (!is_error(ret)) |
| *(int32_t *)vptr[2] = size; |
| } |
| break; |
| case SOCKOP_getsockname: |
| { |
| socklen_t size; |
| size = tswap32(*(int32_t *)vptr[2]); |
| ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size)); |
| if (!is_error(ret)) |
| *(int32_t *)vptr[2] = size; |
| } |
| break; |
| case SOCKOP_getpeername: |
| { |
| socklen_t size; |
| size = tswap32(*(int32_t *)vptr[2]); |
| ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size)); |
| if (!is_error(ret)) |
| *(int32_t *)vptr[2] = size; |
| } |
| break; |
| case SOCKOP_socketpair: |
| { |
| int tab[2]; |
| int32_t *target_tab = (int32_t *)vptr[3]; |
| ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab)); |
| if (!is_error(ret)) { |
| target_tab[0] = tswap32(tab[0]); |
| target_tab[1] = tswap32(tab[1]); |
| } |
| } |
| break; |
| case SOCKOP_send: |
| ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); |
| break; |
| case SOCKOP_recv: |
| ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); |
| break; |
| case SOCKOP_sendto: |
| ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3], |
| (struct sockaddr *)vptr[4], vptr[5])); |
| break; |
| case SOCKOP_recvfrom: |
| { |
| socklen_t size; |
| size = tswap32(*(int32_t *)vptr[5]); |
| ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2], |
| vptr[3], (struct sockaddr *)vptr[4], &size)); |
| if (!is_error(ret)) |
| *(int32_t *)vptr[5] = size; |
| } |
| break; |
| case SOCKOP_shutdown: |
| ret = get_errno(shutdown(vptr[0], vptr[1])); |
| break; |
| case SOCKOP_sendmsg: |
| case SOCKOP_recvmsg: |
| { |
| int fd; |
| struct target_msghdr *msgp; |
| struct msghdr msg; |
| int flags, count, i; |
| struct iovec *vec; |
| struct target_iovec *target_vec; |
| |
| msgp = (void *)vptr[1]; |
| msg.msg_name = (void *)tswapl(msgp->msg_name); |
| msg.msg_namelen = tswapl(msgp->msg_namelen); |
| msg.msg_control = (void *)tswapl(msgp->msg_control); |
| msg.msg_controllen = tswapl(msgp->msg_controllen); |
| msg.msg_flags = tswap32(msgp->msg_flags); |
| |
| count = tswapl(msgp->msg_iovlen); |
| vec = alloca(count * sizeof(struct iovec)); |
| target_vec = (void *)tswapl(msgp->msg_iov); |
| for(i = 0;i < count; i++) { |
| vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); |
| vec[i].iov_len = tswapl(target_vec[i].iov_len); |
| } |
| msg.msg_iovlen = count; |
| msg.msg_iov = vec; |
| |
| fd = vptr[0]; |
| flags = vptr[2]; |
| if (num == SOCKOP_sendmsg) |
| ret = sendmsg(fd, &msg, flags); |
| else |
| ret = recvmsg(fd, &msg, flags); |
| ret = get_errno(ret); |
| } |
| break; |
| case SOCKOP_setsockopt: |
| case SOCKOP_getsockopt: |
| default: |
| gemu_log("Unsupported socketcall: %d\n", num); |
| ret = -ENOSYS; |
| break; |
| } |
| return ret; |
| } |
| |
| /* kernel structure types definitions */ |
| #define IFNAMSIZ 16 |
| |
| #define STRUCT(name, list...) STRUCT_ ## name, |
| #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
| enum { |
| #include "syscall_types.h" |
| }; |
| #undef STRUCT |
| #undef STRUCT_SPECIAL |
| |
| #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; |
| #define STRUCT_SPECIAL(name) |
| #include "syscall_types.h" |
| #undef STRUCT |
| #undef STRUCT_SPECIAL |
| |
| typedef struct IOCTLEntry { |
| int target_cmd; |
| 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 |
| |
| const IOCTLEntry ioctl_entries[] = { |
| #define IOCTL(cmd, access, types...) \ |
| { TARGET_ ## cmd, cmd, #cmd, access, { types } }, |
| #include "ioctls.h" |
| { 0, 0, }, |
| }; |
| |
| static long do_ioctl(long fd, long cmd, long arg) |
| { |
| const IOCTLEntry *ie; |
| const argtype *arg_type; |
| long ret; |
| uint8_t buf_temp[MAX_STRUCT_SIZE]; |
| |
| ie = ioctl_entries; |
| for(;;) { |
| if (ie->target_cmd == 0) { |
| gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); |
| return -ENOSYS; |
| } |
| if (ie->target_cmd == cmd) |
| break; |
| ie++; |
| } |
| arg_type = ie->arg_type; |
| #ifdef DEBUG |
| gemu_log("ioctl: cmd=0x%04lx (%s)\n", 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++; |
| switch(ie->access) { |
| case IOC_R: |
| ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| if (!is_error(ret)) { |
| thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); |
| } |
| break; |
| case IOC_W: |
| thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); |
| ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| break; |
| default: |
| case IOC_RW: |
| thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); |
| ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| if (!is_error(ret)) { |
| thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); |
| } |
| break; |
| } |
| break; |
| default: |
| gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); |
| ret = -ENOSYS; |
| break; |
| } |
| return ret; |
| } |
| |
| bitmask_transtbl iflag_tbl[] = { |
| { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
| { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, |
| { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, |
| { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, |
| { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, |
| { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, |
| { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, |
| { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, |
| { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, |
| { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, |
| { TARGET_IXON, TARGET_IXON, IXON, IXON }, |
| { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, |
| { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, |
| { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| bitmask_transtbl oflag_tbl[] = { |
| { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
| { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, |
| { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, |
| { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, |
| { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, |
| { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, |
| { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, |
| { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, |
| { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, |
| { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, |
| { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, |
| { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, |
| { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, |
| { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, |
| { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, |
| { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, |
| { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, |
| { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, |
| { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, |
| { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, |
| { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, |
| { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, |
| { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, |
| { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| bitmask_transtbl cflag_tbl[] = { |
| { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
| { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, |
| { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, |
| { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, |
| { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, |
| { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, |
| { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, |
| { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, |
| { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, |
| { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, |
| { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, |
| { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, |
| { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, |
| { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, |
| { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, |
| { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, |
| { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, |
| { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, |
| { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, |
| { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, |
| { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, |
| { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, |
| { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, |
| { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, |
| { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, |
| { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, |
| { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, |
| { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, |
| { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, |
| { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, |
| { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| bitmask_transtbl lflag_tbl[] = { |
| { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
| { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, |
| { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, |
| { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, |
| { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, |
| { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, |
| { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, |
| { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, |
| { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, |
| { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, |
| { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, |
| { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, |
| { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, |
| { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, |
| { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| static void target_to_host_termios (void *dst, const void *src) |
| { |
| struct host_termios *host = dst; |
| const struct target_termios *target = src; |
| |
| host->c_iflag = |
| target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
| host->c_oflag = |
| target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
| host->c_cflag = |
| target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
| host->c_lflag = |
| target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
| host->c_line = target->c_line; |
| |
| host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
| host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
| host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
| host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
| host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
| host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
| host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
| host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
| host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
| host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
| host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
| host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
| host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
| host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
| host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
| host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
| host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
| } |
| |
| static void host_to_target_termios (void *dst, const void *src) |
| { |
| struct target_termios *target = dst; |
| const struct host_termios *host = src; |
| |
| target->c_iflag = |
| tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
| target->c_oflag = |
| tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
| target->c_cflag = |
| tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
| target->c_lflag = |
| tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
| target->c_line = host->c_line; |
| |
| target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
| target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
| target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
| target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
| target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
| target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
| target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
| target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
| target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
| target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
| target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
| target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
| target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
| target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
| target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
| target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
| target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
| } |
| |
| StructEntry struct_termios_def = { |
| .convert = { host_to_target_termios, target_to_host_termios }, |
| .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, |
| .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, |
| }; |
| |
| #ifdef TARGET_I386 |
| |
| /* NOTE: there is really one LDT for all the threads */ |
| uint8_t *ldt_table; |
| |
| static int read_ldt(void *ptr, unsigned long bytecount) |
| { |
| int size; |
| |
| if (!ldt_table) |
| return 0; |
| size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
| if (size > bytecount) |
| size = bytecount; |
| memcpy(ptr, ldt_table, size); |
| return size; |
| } |
| |
| /* XXX: add locking support */ |
| static int write_ldt(CPUX86State *env, |
| void *ptr, unsigned long bytecount, int oldmode) |
| { |
| struct target_modify_ldt_ldt_s ldt_info; |
| int seg_32bit, contents, read_exec_only, limit_in_pages; |
| int seg_not_present, useable; |
| uint32_t *lp, entry_1, entry_2; |
| |
| if (bytecount != sizeof(ldt_info)) |
| return -EINVAL; |
| memcpy(&ldt_info, ptr, sizeof(ldt_info)); |
| tswap32s(&ldt_info.entry_number); |
| tswapls((long *)&ldt_info.base_addr); |
| tswap32s(&ldt_info.limit); |
| tswap32s(&ldt_info.flags); |
| |
| if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
| return -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; |
| |
| if (contents == 3) { |
| if (oldmode) |
| return -EINVAL; |
| if (seg_not_present == 0) |
| return -EINVAL; |
| } |
| /* allocate the LDT */ |
| if (!ldt_table) { |
| ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
| if (!ldt_table) |
| return -ENOMEM; |
| memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
| env->ldt.base = ldt_table; |
| env->ldt.limit = 0xffff; |
| } |
| |
| /* NOTE: same code as Linux kernel */ |
| /* Allow LDTs to be cleared by the user. */ |
| if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| if (oldmode || |
| (contents == 0 && |
| read_exec_only == 1 && |
| seg_32bit == 0 && |
| limit_in_pages == 0 && |
| seg_not_present == 1 && |
| useable == 0 )) { |
| entry_1 = 0; |
| entry_2 = 0; |
| goto install; |
| } |
| } |
| |
| entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| (ldt_info.limit & 0x0ffff); |
| entry_2 = (ldt_info.base_addr & 0xff000000) | |
| ((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| (ldt_info.limit & 0xf0000) | |
| ((read_exec_only ^ 1) << 9) | |
| (contents << 10) | |
| ((seg_not_present ^ 1) << 15) | |
| (seg_32bit << 22) | |
| (limit_in_pages << 23) | |
| 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 */ |
| int gemu_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) |
| { |
| int ret = -ENOSYS; |
| |
| 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; |
| } |
| return ret; |
| } |
| #endif |
| |
| void syscall_init(void) |
| { |
| #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 |
| } |
| |
| long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, |
| long arg4, long arg5, long arg6) |
| { |
| long ret; |
| struct stat st; |
| struct kernel_statfs *stfs; |
| |
| #ifdef DEBUG |
| gemu_log("syscall %d\n", num); |
| #endif |
| switch(num) { |
| case TARGET_NR_exit: |
| #ifdef HAVE_GPROF |
| _mcleanup(); |
| #endif |
| _exit(arg1); |
| ret = 0; /* avoid warning */ |
| break; |
| case TARGET_NR_read: |
| ret = get_errno(read(arg1, (void *)arg2, arg3)); |
| break; |
| case TARGET_NR_write: |
| ret = get_errno(write(arg1, (void *)arg2, arg3)); |
| break; |
| case TARGET_NR_open: |
| ret = get_errno(open((const char *)arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_close: |
| ret = get_errno(close(arg1)); |
| break; |
| case TARGET_NR_brk: |
| ret = do_brk((char *)arg1); |
| break; |
| case TARGET_NR_fork: |
| ret = get_errno(fork()); |
| break; |
| case TARGET_NR_waitpid: |
| { |
| int *status = (int *)arg2; |
| ret = get_errno(waitpid(arg1, status, arg3)); |
| if (!is_error(ret) && status) |
| tswapls((long *)&status); |
| } |
| break; |
| case TARGET_NR_creat: |
| ret = get_errno(creat((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_link: |
| ret = get_errno(link((const char *)arg1, (const char *)arg2)); |
| break; |
| case TARGET_NR_unlink: |
| ret = get_errno(unlink((const char *)arg1)); |
| break; |
| case TARGET_NR_execve: |
| ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3)); |
| break; |
| case TARGET_NR_chdir: |
| ret = get_errno(chdir((const char *)arg1)); |
| break; |
| case TARGET_NR_time: |
| { |
| int *time_ptr = (int *)arg1; |
| ret = get_errno(time((time_t *)time_ptr)); |
| if (!is_error(ret) && time_ptr) |
| tswap32s(time_ptr); |
| } |
| break; |
| case TARGET_NR_mknod: |
| ret = get_errno(mknod((const char *)arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_chmod: |
| ret = get_errno(chmod((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_lchown: |
| ret = get_errno(chown((const char *)arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_break: |
| goto unimplemented; |
| case TARGET_NR_oldstat: |
| goto unimplemented; |
| case TARGET_NR_lseek: |
| ret = get_errno(lseek(arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_getpid: |
| ret = get_errno(getpid()); |
| break; |
| case TARGET_NR_mount: |
| /* need to look at the data field */ |
| goto unimplemented; |
| case TARGET_NR_umount: |
| ret = get_errno(umount((const char *)arg1)); |
| break; |
| case TARGET_NR_setuid: |
| ret = get_errno(setuid(arg1)); |
| break; |
| case TARGET_NR_getuid: |
| ret = get_errno(getuid()); |
| break; |
| case TARGET_NR_stime: |
| { |
| int *time_ptr = (int *)arg1; |
| if (time_ptr) |
| tswap32s(time_ptr); |
| ret = get_errno(stime((time_t *)time_ptr)); |
| } |
| break; |
| case TARGET_NR_ptrace: |
| goto unimplemented; |
| case TARGET_NR_alarm: |
| ret = alarm(arg1); |
| break; |
| case TARGET_NR_oldfstat: |
| goto unimplemented; |
| case TARGET_NR_pause: |
| ret = get_errno(pause()); |
| break; |
| case TARGET_NR_utime: |
| goto unimplemented; |
| case TARGET_NR_stty: |
| goto unimplemented; |
| case TARGET_NR_gtty: |
| goto unimplemented; |
| case TARGET_NR_access: |
| ret = get_errno(access((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_nice: |
| ret = get_errno(nice(arg1)); |
| break; |
| case TARGET_NR_ftime: |
| goto unimplemented; |
| case TARGET_NR_sync: |
| ret = get_errno(sync()); |
| break; |
| case TARGET_NR_kill: |
| ret = get_errno(kill(arg1, arg2)); |
| break; |
| case TARGET_NR_rename: |
| ret = get_errno(rename((const char *)arg1, (const char *)arg2)); |
| break; |
| case TARGET_NR_mkdir: |
| ret = get_errno(mkdir((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_rmdir: |
| ret = get_errno(rmdir((const char *)arg1)); |
| break; |
| case TARGET_NR_dup: |
| ret = get_errno(dup(arg1)); |
| break; |
| case TARGET_NR_pipe: |
| { |
| int *pipe_ptr = (int *)arg1; |
| ret = get_errno(pipe(pipe_ptr)); |
| if (!is_error(ret)) { |
| tswap32s(&pipe_ptr[0]); |
| tswap32s(&pipe_ptr[1]); |
| } |
| } |
| break; |
| case TARGET_NR_times: |
| goto unimplemented; |
| case TARGET_NR_prof: |
| goto unimplemented; |
| case TARGET_NR_setgid: |
| ret = get_errno(setgid(arg1)); |
| break; |
| case TARGET_NR_getgid: |
| ret = get_errno(getgid()); |
| break; |
| case TARGET_NR_signal: |
| goto unimplemented; |
| case TARGET_NR_geteuid: |
| ret = get_errno(geteuid()); |
| break; |
| case TARGET_NR_getegid: |
| ret = get_errno(getegid()); |
| break; |
| case TARGET_NR_acct: |
| goto unimplemented; |
| case TARGET_NR_umount2: |
| ret = get_errno(umount2((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_lock: |
| goto unimplemented; |
| case TARGET_NR_ioctl: |
| ret = do_ioctl(arg1, arg2, arg3); |
| break; |
| case TARGET_NR_fcntl: |
| switch(arg2) { |
| case F_GETLK: |
| case F_SETLK: |
| case F_SETLKW: |
| goto unimplemented; |
| default: |
| ret = get_errno(fcntl(arg1, arg2, arg3)); |
| break; |
| } |
| break; |
| case TARGET_NR_mpx: |
| goto unimplemented; |
| case TARGET_NR_setpgid: |
| ret = get_errno(setpgid(arg1, arg2)); |
| break; |
| case TARGET_NR_ulimit: |
| goto unimplemented; |
| case TARGET_NR_oldolduname: |
| goto unimplemented; |
| case TARGET_NR_umask: |
| ret = get_errno(umask(arg1)); |
| break; |
| case TARGET_NR_chroot: |
| ret = get_errno(chroot((const char *)arg1)); |
| break; |
| case TARGET_NR_ustat: |
| goto unimplemented; |
| case TARGET_NR_dup2: |
| ret = get_errno(dup2(arg1, arg2)); |
| break; |
| case TARGET_NR_getppid: |
| ret = get_errno(getppid()); |
| break; |
| case TARGET_NR_getpgrp: |
| ret = get_errno(getpgrp()); |
| break; |
| case TARGET_NR_setsid: |
| ret = get_errno(setsid()); |
| break; |
| case TARGET_NR_sigaction: |
| #if 0 |
| { |
| ret = 0; |
| } |
| break; |
| #else |
| goto unimplemented; |
| #endif |
| case TARGET_NR_sgetmask: |
| goto unimplemented; |
| case TARGET_NR_ssetmask: |
| goto unimplemented; |
| case TARGET_NR_setreuid: |
| ret = get_errno(setreuid(arg1, arg2)); |
| break; |
| case TARGET_NR_setregid: |
| ret = get_errno(setregid(arg1, arg2)); |
| break; |
| case TARGET_NR_sigsuspend: |
| goto unimplemented; |
| case TARGET_NR_sigpending: |
| goto unimplemented; |
| case TARGET_NR_sethostname: |
| ret = get_errno(sethostname((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_setrlimit: |
| goto unimplemented; |
| case TARGET_NR_getrlimit: |
| goto unimplemented; |
| case TARGET_NR_getrusage: |
| goto unimplemented; |
| case TARGET_NR_gettimeofday: |
| { |
| struct target_timeval *target_tv = (void *)arg1; |
| struct timeval tv; |
| ret = get_errno(gettimeofday(&tv, NULL)); |
| if (!is_error(ret)) { |
| target_tv->tv_sec = tswapl(tv.tv_sec); |
| target_tv->tv_usec = tswapl(tv.tv_usec); |
| } |
| } |
| break; |
| case TARGET_NR_settimeofday: |
| { |
| struct target_timeval *target_tv = (void *)arg1; |
| struct timeval tv; |
| tv.tv_sec = tswapl(target_tv->tv_sec); |
| tv.tv_usec = tswapl(target_tv->tv_usec); |
| ret = get_errno(settimeofday(&tv, NULL)); |
| } |
| break; |
| case TARGET_NR_getgroups: |
| goto unimplemented; |
| case TARGET_NR_setgroups: |
| goto unimplemented; |
| case TARGET_NR_select: |
| goto unimplemented; |
| case TARGET_NR_symlink: |
| ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); |
| break; |
| case TARGET_NR_oldlstat: |
| goto unimplemented; |
| case TARGET_NR_readlink: |
| ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3)); |
| break; |
| case TARGET_NR_uselib: |
| goto unimplemented; |
| case TARGET_NR_swapon: |
| ret = get_errno(swapon((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_reboot: |
| goto unimplemented; |
| case TARGET_NR_readdir: |
| goto unimplemented; |
| #ifdef TARGET_I386 |
| case TARGET_NR_mmap: |
| { |
| uint32_t v1, v2, v3, v4, v5, v6, *vptr; |
| vptr = (uint32_t *)arg1; |
| v1 = tswap32(vptr[0]); |
| v2 = tswap32(vptr[1]); |
| v3 = tswap32(vptr[2]); |
| v4 = tswap32(vptr[3]); |
| v5 = tswap32(vptr[4]); |
| v6 = tswap32(vptr[5]); |
| ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6)); |
| } |
| break; |
| #endif |
| #ifdef TARGET_I386 |
| case TARGET_NR_mmap2: |
| #else |
| case TARGET_NR_mmap: |
| #endif |
| ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6)); |
| break; |
| case TARGET_NR_munmap: |
| ret = get_errno(munmap((void *)arg1, arg2)); |
| break; |
| case TARGET_NR_truncate: |
| ret = get_errno(truncate((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_ftruncate: |
| ret = get_errno(ftruncate(arg1, arg2)); |
| break; |
| case TARGET_NR_fchmod: |
| ret = get_errno(fchmod(arg1, arg2)); |
| break; |
| case TARGET_NR_fchown: |
| ret = get_errno(fchown(arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_getpriority: |
| ret = get_errno(getpriority(arg1, arg2)); |
| break; |
| case TARGET_NR_setpriority: |
| ret = get_errno(setpriority(arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_profil: |
| goto unimplemented; |
| case TARGET_NR_statfs: |
| stfs = (void *)arg2; |
| ret = get_errno(sys_statfs((const char *)arg1, stfs)); |
| convert_statfs: |
| if (!is_error(ret)) { |
| tswap32s(&stfs->f_type); |
| tswap32s(&stfs->f_bsize); |
| tswap32s(&stfs->f_blocks); |
| tswap32s(&stfs->f_bfree); |
| tswap32s(&stfs->f_bavail); |
| tswap32s(&stfs->f_files); |
| tswap32s(&stfs->f_ffree); |
| tswap32s(&stfs->f_fsid.val[0]); |
| tswap32s(&stfs->f_fsid.val[1]); |
| tswap32s(&stfs->f_namelen); |
| } |
| break; |
| case TARGET_NR_fstatfs: |
| stfs = (void *)arg2; |
| ret = get_errno(sys_fstatfs(arg1, stfs)); |
| goto convert_statfs; |
| case TARGET_NR_ioperm: |
| goto unimplemented; |
| case TARGET_NR_socketcall: |
| ret = do_socketcall(arg1, (long *)arg2); |
| break; |
| case TARGET_NR_syslog: |
| goto unimplemented; |
| case TARGET_NR_setitimer: |
| goto unimplemented; |
| case TARGET_NR_getitimer: |
| goto unimplemented; |
| case TARGET_NR_stat: |
| ret = get_errno(stat((const char *)arg1, &st)); |
| goto do_stat; |
| case TARGET_NR_lstat: |
| ret = get_errno(lstat((const char *)arg1, &st)); |
| goto do_stat; |
| case TARGET_NR_fstat: |
| { |
| ret = get_errno(fstat(arg1, &st)); |
| do_stat: |
| if (!is_error(ret)) { |
| struct target_stat *target_st = (void *)arg2; |
| target_st->st_dev = tswap16(st.st_dev); |
| target_st->st_ino = tswapl(st.st_ino); |
| target_st->st_mode = tswap16(st.st_mode); |
| target_st->st_nlink = tswap16(st.st_nlink); |
| target_st->st_uid = tswap16(st.st_uid); |
| target_st->st_gid = tswap16(st.st_gid); |
| target_st->st_rdev = tswap16(st.st_rdev); |
| target_st->st_size = tswapl(st.st_size); |
| target_st->st_blksize = tswapl(st.st_blksize); |
| target_st->st_blocks = tswapl(st.st_blocks); |
| target_st->st_atime = tswapl(st.st_atime); |
| target_st->st_mtime = tswapl(st.st_mtime); |
| target_st->st_ctime = tswapl(st.st_ctime); |
| } |
| } |
| break; |
| case TARGET_NR_olduname: |
| goto unimplemented; |
| case TARGET_NR_iopl: |
| goto unimplemented; |
| case TARGET_NR_vhangup: |
| ret = get_errno(vhangup()); |
| break; |
| case TARGET_NR_idle: |
| goto unimplemented; |
| case TARGET_NR_vm86old: |
| goto unimplemented; |
| case TARGET_NR_wait4: |
| { |
| int status; |
| target_long *status_ptr = (void *)arg2; |
| struct rusage rusage, *rusage_ptr; |
| struct target_rusage *target_rusage = (void *)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) |
| *status_ptr = tswap32(status); |
| if (target_rusage) { |
| 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); |
| } |
| } |
| } |
| break; |
| case TARGET_NR_swapoff: |
| ret = get_errno(swapoff((const char *)arg1)); |
| break; |
| case TARGET_NR_sysinfo: |
| goto unimplemented; |
| case TARGET_NR_ipc: |
| goto unimplemented; |
| case TARGET_NR_fsync: |
| ret = get_errno(fsync(arg1)); |
| break; |
| case TARGET_NR_sigreturn: |
| goto unimplemented; |
| case TARGET_NR_clone: |
| goto unimplemented; |
| case TARGET_NR_setdomainname: |
| ret = get_errno(setdomainname((const char *)arg1, arg2)); |
| break; |
| case TARGET_NR_uname: |
| /* no need to transcode because we use the linux syscall */ |
| ret = get_errno(sys_uname((struct new_utsname *)arg1)); |
| break; |
| #ifdef TARGET_I386 |
| case TARGET_NR_modify_ldt: |
| ret = get_errno(gemu_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); |
| break; |
| #endif |
| case TARGET_NR_adjtimex: |
| goto unimplemented; |
| case TARGET_NR_mprotect: |
| ret = get_errno(mprotect((void *)arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_sigprocmask: |
| { |
| int how = arg1; |
| sigset_t set, oldset, *set_ptr; |
| target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; |
| |
| 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 = -EINVAL; |
| goto fail; |
| } |
| |
| if (pset) { |
| target_to_host_old_sigset(&set, pset); |
| set_ptr = &set; |
| } else { |
| set_ptr = NULL; |
| } |
| ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); |
| if (!is_error(ret) && poldset) { |
| host_to_target_old_sigset(poldset, &oldset); |
| } |
| } |
| break; |
| case TARGET_NR_create_module: |
| case TARGET_NR_init_module: |
| case TARGET_NR_delete_module: |
| case TARGET_NR_get_kernel_syms: |
| 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; |
| case TARGET_NR_bdflush: |
| goto unimplemented; |
| case TARGET_NR_sysfs: |
| goto unimplemented; |
| case TARGET_NR_personality: |
| ret = get_errno(mprotect((void *)arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_afs_syscall: |
| goto unimplemented; |
| case TARGET_NR_setfsuid: |
| goto unimplemented; |
| case TARGET_NR_setfsgid: |
| goto unimplemented; |
| case TARGET_NR__llseek: |
| { |
| int64_t res; |
| ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
| *(int64_t *)arg4 = tswap64(res); |
| } |
| break; |
| case TARGET_NR_getdents: |
| #if TARGET_LONG_SIZE != 4 |
| #error not supported |
| #endif |
| { |
| struct dirent *dirp = (void *)arg2; |
| long count = arg3; |
| ret = get_errno(sys_getdents(arg1, dirp, count)); |
| if (!is_error(ret)) { |
| struct dirent *de; |
| int len = ret; |
| int reclen; |
| de = dirp; |
| while (len > 0) { |
| reclen = tswap16(de->d_reclen); |
| if (reclen > len) |
| break; |
| de->d_reclen = reclen; |
| tswapls(&de->d_ino); |
| tswapls(&de->d_off); |
| de = (struct dirent *)((char *)de + reclen); |
| len -= reclen; |
| } |
| } |
| } |
| break; |
| case TARGET_NR__newselect: |
| ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, |
| (void *)arg5); |
| break; |
| case TARGET_NR_flock: |
| goto unimplemented; |
| case TARGET_NR_msync: |
| ret = get_errno(msync((void *)arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_readv: |
| { |
| int count = arg3; |
| int i; |
| struct iovec *vec; |
| struct target_iovec *target_vec = (void *)arg2; |
| |
| vec = alloca(count * sizeof(struct iovec)); |
| for(i = 0;i < count; i++) { |
| vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); |
| vec[i].iov_len = tswapl(target_vec[i].iov_len); |
| } |
| ret = get_errno(readv(arg1, vec, count)); |
| } |
| break; |
| case TARGET_NR_writev: |
| { |
| int count = arg3; |
| int i; |
| struct iovec *vec; |
| struct target_iovec *target_vec = (void *)arg2; |
| |
| vec = alloca(count * sizeof(struct iovec)); |
| for(i = 0;i < count; i++) { |
| vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); |
| vec[i].iov_len = tswapl(target_vec[i].iov_len); |
| } |
| ret = get_errno(writev(arg1, vec, count)); |
| } |
| break; |
| case TARGET_NR_getsid: |
| ret = get_errno(getsid(arg1)); |
| break; |
| case TARGET_NR_fdatasync: |
| goto unimplemented; |
| case TARGET_NR__sysctl: |
| goto unimplemented; |
| case TARGET_NR_mlock: |
| ret = get_errno(mlock((void *)arg1, arg2)); |
| break; |
| case TARGET_NR_munlock: |
| ret = get_errno(munlock((void *)arg1, arg2)); |
| break; |
| case TARGET_NR_mlockall: |
| ret = get_errno(mlockall(arg1)); |
| break; |
| case TARGET_NR_munlockall: |
| ret = get_errno(munlockall()); |
| break; |
| case TARGET_NR_sched_setparam: |
| goto unimplemented; |
| case TARGET_NR_sched_getparam: |
| goto unimplemented; |
| case TARGET_NR_sched_setscheduler: |
| goto unimplemented; |
| case TARGET_NR_sched_getscheduler: |
| goto unimplemented; |
| case TARGET_NR_sched_yield: |
| ret = get_errno(sched_yield()); |
| break; |
| case TARGET_NR_sched_get_priority_max: |
| case TARGET_NR_sched_get_priority_min: |
| case TARGET_NR_sched_rr_get_interval: |
| case TARGET_NR_nanosleep: |
| case TARGET_NR_mremap: |
| case TARGET_NR_setresuid: |
| case TARGET_NR_getresuid: |
| case TARGET_NR_vm86: |
| case TARGET_NR_query_module: |
| case TARGET_NR_poll: |
| case TARGET_NR_nfsservctl: |
| case TARGET_NR_setresgid: |
| case TARGET_NR_getresgid: |
| case TARGET_NR_prctl: |
| case TARGET_NR_rt_sigreturn: |
| case TARGET_NR_rt_sigaction: |
| case TARGET_NR_rt_sigprocmask: |
| case TARGET_NR_rt_sigpending: |
| case TARGET_NR_rt_sigtimedwait: |
| case TARGET_NR_rt_sigqueueinfo: |
| case TARGET_NR_rt_sigsuspend: |
| case TARGET_NR_pread: |
| case TARGET_NR_pwrite: |
| goto unimplemented; |
| case TARGET_NR_chown: |
| ret = get_errno(chown((const char *)arg1, arg2, arg3)); |
| break; |
| case TARGET_NR_getcwd: |
| ret = get_errno(sys_getcwd1((char *)arg1, arg2)); |
| break; |
| case TARGET_NR_capget: |
| case TARGET_NR_capset: |
| case TARGET_NR_sigaltstack: |
| case TARGET_NR_sendfile: |
| case TARGET_NR_getpmsg: |
| case TARGET_NR_putpmsg: |
| case TARGET_NR_vfork: |
| ret = get_errno(vfork()); |
| break; |
| case TARGET_NR_ugetrlimit: |
| case TARGET_NR_truncate64: |
| case TARGET_NR_ftruncate64: |
| goto unimplemented; |
| case TARGET_NR_stat64: |
| ret = get_errno(stat((const char *)arg1, &st)); |
| goto do_stat64; |
| case TARGET_NR_lstat64: |
| ret = get_errno(lstat((const char *)arg1, &st)); |
| goto do_stat64; |
| case TARGET_NR_fstat64: |
| { |
| ret = get_errno(fstat(arg1, &st)); |
| do_stat64: |
| if (!is_error(ret)) { |
| struct target_stat64 *target_st = (void *)arg2; |
| target_st->st_dev = tswap16(st.st_dev); |
| target_st->st_ino = tswapl(st.st_ino); |
| target_st->st_mode = tswap16(st.st_mode); |
| target_st->st_nlink = tswap16(st.st_nlink); |
| target_st->st_uid = tswap16(st.st_uid); |
| target_st->st_gid = tswap16(st.st_gid); |
| target_st->st_rdev = tswap16(st.st_rdev); |
| /* XXX: better use of kernel struct */ |
| target_st->st_size = tswapl(st.st_size); |
| target_st->st_blksize = tswapl(st.st_blksize); |
| target_st->st_blocks = tswapl(st.st_blocks); |
| target_st->st_atime = tswapl(st.st_atime); |
| target_st->st_mtime = tswapl(st.st_mtime); |
| target_st->st_ctime = tswapl(st.st_ctime); |
| } |
| } |
| break; |
| |
| case TARGET_NR_lchown32: |
| case TARGET_NR_getuid32: |
| case TARGET_NR_getgid32: |
| case TARGET_NR_geteuid32: |
| case TARGET_NR_getegid32: |
| case TARGET_NR_setreuid32: |
| case TARGET_NR_setregid32: |
| case TARGET_NR_getgroups32: |
| case TARGET_NR_setgroups32: |
| case TARGET_NR_fchown32: |
| case TARGET_NR_setresuid32: |
| case TARGET_NR_getresuid32: |
| case TARGET_NR_setresgid32: |
| case TARGET_NR_getresgid32: |
| case TARGET_NR_chown32: |
| case TARGET_NR_setuid32: |
| case TARGET_NR_setgid32: |
| case TARGET_NR_setfsuid32: |
| case TARGET_NR_setfsgid32: |
| case TARGET_NR_pivot_root: |
| case TARGET_NR_mincore: |
| case TARGET_NR_madvise: |
| case TARGET_NR_getdents64: |
| goto unimplemented; |
| #if TARGET_LONG_BITS == 32 |
| case TARGET_NR_fcntl64: |
| switch(arg2) { |
| case F_GETLK64: |
| case F_SETLK64: |
| case F_SETLKW64: |
| goto unimplemented; |
| default: |
| ret = get_errno(fcntl(arg1, arg2, arg3)); |
| break; |
| } |
| break; |
| #endif |
| case TARGET_NR_security: |
| goto unimplemented; |
| case TARGET_NR_gettid: |
| ret = get_errno(gettid()); |
| break; |
| case TARGET_NR_readahead: |
| 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; |
| default: |
| unimplemented: |
| gemu_log("Unsupported syscall: %d\n", num); |
| ret = -ENOSYS; |
| break; |
| } |
| fail: |
| return ret; |
| } |
| |
