#include <unistd.h>
#include <fcntl.h>
#include <time.h>
+#include <limits.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
//#include <sys/user.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
+#include <qemu-common.h>
#define termios host_termios
#define winsize host_winsize
#include <linux/cdrom.h>
#include <linux/hdreg.h>
#include <linux/soundcard.h>
-#include <linux/dirent.h>
#include <linux/kd.h>
+#include <linux/mtio.h>
+#include "linux_loop.h"
#include "qemu.h"
+#include "qemu-common.h"
+
+#if defined(USE_NPTL)
+#include <linux/futex.h>
+#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
#endif
//#include <linux/msdos_fs.h>
-#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
-#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
+#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
+#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
#undef _syscall0
#undef _syscall6
#define _syscall0(type,name) \
-type name (void) \
+static type name (void) \
{ \
return syscall(__NR_##name); \
}
#define _syscall1(type,name,type1,arg1) \
-type name (type1 arg1) \
+static type name (type1 arg1) \
{ \
return syscall(__NR_##name, arg1); \
}
#define _syscall2(type,name,type1,arg1,type2,arg2) \
-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) \
-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) \
-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) \
-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) \
-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_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
#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)
_syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
mode_t,mode,int,flags)
#endif
-#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
+#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)
-_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
+#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 dirent64 *, dirp, uint, count);
+_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)
_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 setresuid(uid_t, uid_t, uid_t);
-extern int getresuid(uid_t *, uid_t *, uid_t *);
-extern int setresgid(gid_t, gid_t, gid_t);
-extern int getresgid(gid_t *, gid_t *, gid_t *);
extern int setgroups(int, gid_t *);
+#define ERRNO_TABLE_SIZE 1200
+
+/* target_to_host_errno_table[] is initialized from
+ * host_to_target_errno_table[] in syscall_init(). */
+static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
+};
+
/*
* This list is the union of errno values overridden in asm-<arch>/errno.h
* minus the errnos that are not actually generic to all archs.
*/
-static uint16_t host_to_target_errno_table[1200] = {
+static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
[EIDRM] = TARGET_EIDRM,
[ECHRNG] = TARGET_ECHRNG,
[EL2NSYNC] = TARGET_EL2NSYNC,
#ifdef ENOTRECOVERABLE
[ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
#endif
- };
+};
static inline int host_to_target_errno(int err)
{
return err;
}
-static inline target_long get_errno(target_long ret)
+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);
return ret;
}
-static inline int is_error(target_long ret)
+static inline int is_error(abi_long ret)
+{
+ return (abi_ulong)ret >= (abi_ulong)(-4096);
+}
+
+char *target_strerror(int err)
{
- return (target_ulong)ret >= (target_ulong)(-4096);
+ return strerror(target_to_host_errno(err));
}
-static target_ulong target_brk;
-static target_ulong target_original_brk;
+static abi_ulong target_brk;
+static abi_ulong target_original_brk;
-void target_set_brk(target_ulong new_brk)
+void target_set_brk(abi_ulong new_brk)
{
target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
}
-target_long do_brk(target_ulong new_brk)
+/* do_brk() must return target values and target errnos. */
+abi_long do_brk(abi_ulong new_brk)
{
- target_ulong brk_page;
- target_long mapped_addr;
+ 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 -ENOMEM;
+ return target_brk;
brk_page = HOST_PAGE_ALIGN(target_brk);
mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
PROT_READ|PROT_WRITE,
MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
- if (is_error(mapped_addr)) {
- return mapped_addr;
- } else {
+
+ if (!is_error(mapped_addr))
target_brk = new_brk;
- return target_brk;
- }
+
+ return target_brk;
}
-static inline fd_set *target_to_host_fds(fd_set *fds,
- target_long *target_fds, int n)
+static inline abi_long copy_from_user_fdset(fd_set *fds,
+ abi_ulong target_fds_addr,
+ int n)
{
-#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
- return (fd_set *)target_fds;
-#else
- int i, b;
- if (target_fds) {
- FD_ZERO(fds);
- for(i = 0;i < n; i++) {
- b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
- (i & (TARGET_LONG_BITS - 1))) & 1;
- if (b)
- FD_SET(i, fds);
+ 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++;
}
- return fds;
- } else {
- return NULL;
}
-#endif
+
+ unlock_user(target_fds, target_fds_addr, 0);
+
+ return 0;
}
-static inline void host_to_target_fds(target_long *target_fds,
- fd_set *fds, int n)
+static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
+ const fd_set *fds,
+ int n)
{
-#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
- /* nothing to do */
-#else
int i, nw, j, k;
- target_long v;
-
- if (target_fds) {
- nw = (n + TARGET_LONG_BITS - 1) / 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);
+ 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]);
}
-#endif
+
+ unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
+
+ return 0;
}
#if defined(__alpha__)
#define HOST_HZ 100
#endif
-static inline target_long host_to_target_clock_t(long ticks)
+static inline abi_long host_to_target_clock_t(long ticks)
{
#if HOST_HZ == TARGET_HZ
return ticks;
#endif
}
-static inline void host_to_target_rusage(target_ulong target_addr,
- const struct rusage *rusage)
+static inline abi_long host_to_target_rusage(abi_ulong target_addr,
+ const struct rusage *rusage)
{
struct target_rusage *target_rusage;
- lock_user_struct(target_rusage, target_addr, 0);
+ 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_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 void target_to_host_timeval(struct timeval *tv,
- target_ulong target_addr)
+static inline abi_long copy_from_user_timeval(struct timeval *tv,
+ abi_ulong target_tv_addr)
{
struct target_timeval *target_tv;
- lock_user_struct(target_tv, target_addr, 1);
- tv->tv_sec = tswapl(target_tv->tv_sec);
- tv->tv_usec = tswapl(target_tv->tv_usec);
- unlock_user_struct(target_tv, target_addr, 0);
+ 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 void host_to_target_timeval(target_ulong target_addr,
- const struct timeval *tv)
+static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
+ const struct timeval *tv)
{
struct target_timeval *target_tv;
- lock_user_struct(target_tv, target_addr, 0);
- target_tv->tv_sec = tswapl(tv->tv_sec);
- target_tv->tv_usec = tswapl(tv->tv_usec);
- unlock_user_struct(target_tv, target_addr, 1);
+ 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;
}
-static target_long do_select(int n,
- target_ulong rfd_p, target_ulong wfd_p,
- target_ulong efd_p, target_ulong target_tv)
+/* 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;
- target_long *target_rfds, *target_wfds, *target_efds;
struct timeval tv, *tv_ptr;
- target_long ret;
- int ok;
+ abi_long ret;
- if (rfd_p) {
- target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
- rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
+ if (rfd_addr) {
+ if (copy_from_user_fdset(&rfds, rfd_addr, n))
+ return -TARGET_EFAULT;
+ rfds_ptr = &rfds;
} else {
- target_rfds = NULL;
rfds_ptr = NULL;
}
- if (wfd_p) {
- target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
- wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
+ if (wfd_addr) {
+ if (copy_from_user_fdset(&wfds, wfd_addr, n))
+ return -TARGET_EFAULT;
+ wfds_ptr = &wfds;
} else {
- target_wfds = NULL;
wfds_ptr = NULL;
}
- if (efd_p) {
- target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
- efds_ptr = target_to_host_fds(&efds, target_efds, n);
+ if (efd_addr) {
+ if (copy_from_user_fdset(&efds, efd_addr, n))
+ return -TARGET_EFAULT;
+ efds_ptr = &efds;
} else {
- target_efds = NULL;
efds_ptr = NULL;
}
- if (target_tv) {
- target_to_host_timeval(&tv, target_tv);
+ 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));
- ok = !is_error(ret);
- if (ok) {
- host_to_target_fds(target_rfds, rfds_ptr, n);
- host_to_target_fds(target_wfds, wfds_ptr, n);
- host_to_target_fds(target_efds, efds_ptr, n);
+ ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
- if (target_tv) {
- host_to_target_timeval(target_tv, &tv);
- }
+ 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;
}
- if (target_rfds)
- unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
- if (target_wfds)
- unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
- if (target_efds)
- unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
return ret;
}
-static inline void target_to_host_sockaddr(struct sockaddr *addr,
- target_ulong target_addr,
- socklen_t len)
+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(target_addr, len, 1);
+ 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 void host_to_target_sockaddr(target_ulong target_addr,
- struct sockaddr *addr,
- socklen_t len)
+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(target_addr, len, 0);
+ 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 void target_to_host_cmsg(struct msghdr *msgh,
- struct target_msghdr *target_msgh)
+static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
+ struct target_msghdr *target_msgh)
{
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
- struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_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);
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 void host_to_target_cmsg(struct target_msghdr *target_msgh,
- struct msghdr *msgh)
+static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
+ struct msghdr *msgh)
{
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
- struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_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 > tswapl(target_msgh->msg_controllen)) {
+ if (space > msg_controllen) {
space -= TARGET_CMSG_SPACE(len);
gemu_log("Target cmsg overflow\n");
break;
cmsg = CMSG_NXTHDR(msgh, cmsg);
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
}
-
- msgh->msg_controllen = tswapl(space);
+ unlock_user(target_cmsg, target_cmsg_addr, space);
+ the_end:
+ target_msgh->msg_controllen = tswapl(space);
+ return 0;
}
-static target_long do_setsockopt(int sockfd, int level, int optname,
- target_ulong optval, socklen_t optlen)
+/* 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)
{
- target_long ret;
+ abi_long ret;
int val;
switch(level) {
case SOL_TCP:
/* TCP options all take an 'int' value. */
if (optlen < sizeof(uint32_t))
- return -EINVAL;
+ return -TARGET_EINVAL;
- val = tget32(optval);
+ if (get_user_u32(val, optval_addr))
+ return -TARGET_EFAULT;
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
break;
case SOL_IP:
case IP_MULTICAST_LOOP:
val = 0;
if (optlen >= sizeof(uint32_t)) {
- val = tget32(optval);
+ if (get_user_u32(val, optval_addr))
+ return -TARGET_EFAULT;
} else if (optlen >= 1) {
- val = tget8(optval);
+ if (get_user_u8(val, optval_addr))
+ return -TARGET_EFAULT;
}
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
break;
goto unimplemented;
}
if (optlen < sizeof(uint32_t))
- return -EINVAL;
+ return -TARGET_EINVAL;
- val = tget32(optval);
+ 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 = -ENOSYS;
+ ret = -TARGET_ENOPROTOOPT;
}
return ret;
}
-static target_long do_getsockopt(int sockfd, int level, int optname,
- target_ulong optval, target_ulong optlen)
+/* 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)
{
- target_long ret;
- int len, lv, val;
+ abi_long ret;
+ int len, val;
+ socklen_t lv;
switch(level) {
case TARGET_SOL_SOCKET:
case SOL_TCP:
/* TCP options all take an 'int' value. */
int_case:
- len = tget32(optlen);
+ if (get_user_u32(len, optlen))
+ return -TARGET_EFAULT;
if (len < 0)
- return -EINVAL;
+ return -TARGET_EINVAL;
lv = sizeof(int);
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
if (ret < 0)
val = tswap32(val);
if (len > lv)
len = lv;
- if (len == 4)
- tput32(optval, val);
- else
- tput8(optval, val);
- tput32(optlen, len);
+ 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) {
#endif
case IP_MULTICAST_TTL:
case IP_MULTICAST_LOOP:
- len = tget32(optlen);
+ if (get_user_u32(len, optlen))
+ return -TARGET_EFAULT;
if (len < 0)
- return -EINVAL;
+ 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;
- tput32(optlen, len);
- tput8(optval, val);
+ if (put_user_u32(len, optlen)
+ || put_user_u8(val, optval_addr))
+ return -TARGET_EFAULT;
} else {
if (len > sizeof(int))
len = sizeof(int);
- tput32(optlen, len);
- tput32(optval, val);
+ if (put_user_u32(len, optlen)
+ || put_user_u32(val, optval_addr))
+ return -TARGET_EFAULT;
}
break;
default:
- goto unimplemented;
+ ret = -TARGET_ENOPROTOOPT;
+ break;
}
break;
default:
unimplemented:
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
level, optname);
- ret = -ENOSYS;
+ ret = -TARGET_EOPNOTSUPP;
break;
}
return ret;
}
-static void lock_iovec(struct iovec *vec, target_ulong target_addr,
- int count, int copy)
+/* 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;
- target_ulong base;
+ abi_ulong base;
int i;
- target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
+ target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
+ if (!target_vec)
+ return -TARGET_EFAULT;
for(i = 0;i < count; i++) {
base = tswapl(target_vec[i].iov_base);
vec[i].iov_len = tswapl(target_vec[i].iov_len);
- vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
+ 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 void unlock_iovec(struct iovec *vec, target_ulong target_addr,
- int count, int copy)
+static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
+ int count, int copy)
{
struct target_iovec *target_vec;
- target_ulong base;
+ abi_ulong base;
int i;
- target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
+ target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
+ if (!target_vec)
+ return -TARGET_EFAULT;
for(i = 0;i < count; i++) {
- base = tswapl(target_vec[i].iov_base);
- unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
+ 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;
}
-static target_long do_socket(int domain, int type, int protocol)
+/* 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) {
break;
}
#endif
+ if (domain == PF_NETLINK)
+ return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
return get_errno(socket(domain, type, protocol));
}
-static target_long do_bind(int sockfd, target_ulong target_addr,
- socklen_t addrlen)
+/* 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);
return get_errno(bind(sockfd, addr, addrlen));
}
-static target_long do_connect(int sockfd, target_ulong target_addr,
- socklen_t 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);
return get_errno(connect(sockfd, addr, addrlen));
}
-static target_long do_sendrecvmsg(int fd, target_ulong target_msg,
- int flags, int send)
+/* do_sendrecvmsg() Must return target values and target errnos. */
+static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
+ int flags, int send)
{
- target_long ret;
+ abi_long ret;
struct target_msghdr *msgp;
struct msghdr msg;
int count;
struct iovec *vec;
- target_ulong target_vec;
-
- lock_user_struct(msgp, target_msg, 1);
+ 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);
count = tswapl(msgp->msg_iovlen);
vec = alloca(count * sizeof(struct iovec));
target_vec = tswapl(msgp->msg_iov);
- lock_iovec(vec, target_vec, count, send);
+ lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
msg.msg_iovlen = count;
msg.msg_iov = vec;
if (send) {
- target_to_host_cmsg(&msg, msgp);
- ret = get_errno(sendmsg(fd, &msg, flags));
+ 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))
- host_to_target_cmsg(msgp, &msg);
+ ret = host_to_target_cmsg(msgp, &msg);
}
unlock_iovec(vec, target_vec, count, !send);
+ unlock_user_struct(msgp, target_msg, send ? 0 : 1);
return ret;
}
-static target_long do_accept(int fd, target_ulong target_addr,
- target_ulong target_addrlen)
+/* 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 = tget32(target_addrlen);
- void *addr = alloca(addrlen);
- target_long ret;
+ 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);
- tput32(target_addrlen, addrlen);
+ if (put_user_u32(addrlen, target_addrlen_addr))
+ ret = -TARGET_EFAULT;
}
return ret;
}
-static target_long do_getpeername(int fd, target_ulong target_addr,
- target_ulong target_addrlen)
+/* 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 = tget32(target_addrlen);
- void *addr = alloca(addrlen);
- target_long ret;
+ 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);
- tput32(target_addrlen, addrlen);
+ if (put_user_u32(addrlen, target_addrlen_addr))
+ ret = -TARGET_EFAULT;
}
return ret;
}
-static target_long do_getsockname(int fd, target_ulong target_addr,
- target_ulong target_addrlen)
+/* 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 = tget32(target_addrlen);
- void *addr = alloca(addrlen);
- target_long ret;
+ 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);
- tput32(target_addrlen, addrlen);
+ if (put_user_u32(addrlen, target_addrlen_addr))
+ ret = -TARGET_EFAULT;
}
return ret;
}
-static target_long do_socketpair(int domain, int type, int protocol,
- target_ulong target_tab)
+/* 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];
- target_long ret;
+ abi_long ret;
ret = get_errno(socketpair(domain, type, protocol, tab));
if (!is_error(ret)) {
- tput32(target_tab, tab[0]);
- tput32(target_tab + 4, tab[1]);
+ 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;
}
-static target_long do_sendto(int fd, target_ulong msg, size_t len, int flags,
- target_ulong target_addr, socklen_t addrlen)
+/* 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;
- target_long ret;
+ abi_long ret;
- host_msg = lock_user(msg, len, 1);
+ 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);
return ret;
}
-static target_long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
- target_ulong target_addr,
- target_ulong target_addrlen)
+/* 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;
- target_long ret;
+ abi_long ret;
- host_msg = lock_user(msg, len, 0);
+ host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
+ if (!host_msg)
+ return -TARGET_EFAULT;
if (target_addr) {
- addrlen = tget32(target_addrlen);
+ 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 {
if (!is_error(ret)) {
if (target_addr) {
host_to_target_sockaddr(target_addr, addr, addrlen);
- tput32(target_addrlen, 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
-static target_long do_socketcall(int num, target_ulong vptr)
+/* do_socketcall() Must return target values and target errnos. */
+static abi_long do_socketcall(int num, abi_ulong vptr)
{
- target_long ret;
- const int n = sizeof(target_ulong);
+ abi_long ret;
+ const int n = sizeof(abi_ulong);
switch(num) {
case SOCKOP_socket:
{
- int domain = tgetl(vptr);
- int type = tgetl(vptr + n);
- int protocol = tgetl(vptr + 2 * n);
+ 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 = tgetl(vptr);
- target_ulong target_addr = tgetl(vptr + n);
- socklen_t addrlen = tgetl(vptr + 2 * n);
+ 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 = tgetl(vptr);
- target_ulong target_addr = tgetl(vptr + n);
- socklen_t addrlen = tgetl(vptr + 2 * n);
+ 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 = tgetl(vptr);
- int backlog = tgetl(vptr + n);
+ 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 = tgetl(vptr);
- target_ulong target_addr = tgetl(vptr + n);
- target_ulong target_addrlen = tgetl(vptr + 2 * n);
+ 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 = tgetl(vptr);
- target_ulong target_addr = tgetl(vptr + n);
- target_ulong target_addrlen = tgetl(vptr + 2 * n);
+ 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 = tgetl(vptr);
- target_ulong target_addr = tgetl(vptr + n);
- target_ulong target_addrlen = tgetl(vptr + 2 * n);
+ 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 = tgetl(vptr);
- int type = tgetl(vptr + n);
- int protocol = tgetl(vptr + 2 * n);
- target_ulong tab = tgetl(vptr + 3 * n);
+ 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 = tgetl(vptr);
- target_ulong msg = tgetl(vptr + n);
- size_t len = tgetl(vptr + 2 * n);
- int flags = tgetl(vptr + 3 * n);
+ 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 = tgetl(vptr);
- target_ulong msg = tgetl(vptr + n);
- size_t len = tgetl(vptr + 2 * n);
- int flags = tgetl(vptr + 3 * n);
+ 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 = tgetl(vptr);
- target_ulong msg = tgetl(vptr + n);
- size_t len = tgetl(vptr + 2 * n);
- int flags = tgetl(vptr + 3 * n);
- target_ulong addr = tgetl(vptr + 4 * n);
- socklen_t addrlen = tgetl(vptr + 5 * n);
+ 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 = tgetl(vptr);
- target_ulong msg = tgetl(vptr + n);
- size_t len = tgetl(vptr + 2 * n);
- int flags = tgetl(vptr + 3 * n);
- target_ulong addr = tgetl(vptr + 4 * n);
- target_ulong addrlen = tgetl(vptr + 5 * n);
+ 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 = tgetl(vptr);
- int how = tgetl(vptr + n);
+ int sockfd, how;
+
+ if (get_user_s32(sockfd, vptr)
+ || get_user_s32(how, vptr + n))
+ return -TARGET_EFAULT;
ret = get_errno(shutdown(sockfd, how));
}
case SOCKOP_recvmsg:
{
int fd;
- target_ulong target_msg;
+ abi_ulong target_msg;
int flags;
- fd = tgetl(vptr);
- target_msg = tgetl(vptr + n);
- flags = tgetl(vptr + 2 * n);
+ 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 = tgetl(vptr);
- int level = tgetl(vptr + n);
- int optname = tgetl(vptr + 2 * n);
- target_ulong optval = tgetl(vptr + 3 * n);
- socklen_t optlen = tgetl(vptr + 4 * n);
+ 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 = tgetl(vptr);
- int level = tgetl(vptr + n);
- int optname = tgetl(vptr + 2 * n);
- target_ulong optval = tgetl(vptr + 3 * n);
- target_ulong poptlen = tgetl(vptr + 4 * n);
-
- ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
+ 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 = -ENOSYS;
+ ret = -TARGET_ENOSYS;
break;
}
return ret;
}
#endif
-#ifdef TARGET_NR_ipc
#define N_SHM_REGIONS 32
static struct shm_region {
- uint32_t start;
- uint32_t size;
+ abi_ulong start;
+ abi_ulong size;
} shm_regions[N_SHM_REGIONS];
struct target_ipc_perm
{
- target_long __key;
- target_ulong uid;
- target_ulong gid;
- target_ulong cuid;
- target_ulong cgid;
+ 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;
- target_ulong __unused1;
- target_ulong __unused2;
+ abi_ulong __unused1;
+ abi_ulong __unused2;
};
struct target_semid_ds
{
struct target_ipc_perm sem_perm;
- target_ulong sem_otime;
- target_ulong __unused1;
- target_ulong sem_ctime;
- target_ulong __unused2;
- target_ulong sem_nsems;
- target_ulong __unused3;
- target_ulong __unused4;
+ 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 void target_to_host_ipc_perm(struct ipc_perm *host_ip,
- target_ulong target_addr)
+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;
- lock_user_struct(target_sd, target_addr, 1);
+ 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->cgid = tswapl(target_ip->cgid);
host_ip->mode = tswapl(target_ip->mode);
unlock_user_struct(target_sd, target_addr, 0);
+ return 0;
}
-static inline void host_to_target_ipc_perm(target_ulong target_addr,
- struct ipc_perm *host_ip)
+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;
- lock_user_struct(target_sd, target_addr, 0);
+ 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->cgid = tswapl(host_ip->cgid);
target_ip->mode = tswapl(host_ip->mode);
unlock_user_struct(target_sd, target_addr, 1);
+ return 0;
}
-static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
- target_ulong target_addr)
+static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
+ abi_ulong target_addr)
{
struct target_semid_ds *target_sd;
- lock_user_struct(target_sd, target_addr, 1);
+ 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 void host_to_target_semid_ds(target_ulong target_addr,
- struct semid_ds *host_sd)
+static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
+ struct semid_ds *host_sd)
{
struct target_semid_ds *target_sd;
- lock_user_struct(target_sd, target_addr, 0);
+ 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 {
union target_semun {
int val;
- target_long buf;
+ abi_long buf;
unsigned short int *array;
};
-static inline void target_to_host_semun(int cmd,
- union semun *host_su,
- target_ulong target_addr,
- struct semid_ds *ds)
+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:
- lock_user_struct(target_su, target_addr, 1);
+ 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:
- lock_user_struct(target_su, target_addr, 1);
+ 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:
- lock_user_struct(target_su, target_addr, 1);
+ 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 void host_to_target_semun(int cmd,
- target_ulong target_addr,
- union semun *host_su,
- struct semid_ds *ds)
+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:
- lock_user_struct(target_su, target_addr, 0);
+ 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:
- lock_user_struct(target_su, target_addr, 0);
+ 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:
- lock_user_struct(target_su, target_addr, 0);
+ 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 target_long do_semctl(int first, int second, int third,
- target_long ptr)
+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;
- target_long ret = 0;
+ abi_long ret = 0;
switch( cmd ) {
case GETVAL:
struct target_msqid_ds
{
- struct target_ipc_perm msg_perm;
- target_ulong msg_stime;
- target_ulong __unused1;
- target_ulong msg_rtime;
- target_ulong __unused2;
- target_ulong msg_ctime;
- target_ulong __unused3;
- target_ulong __msg_cbytes;
- target_ulong msg_qnum;
- target_ulong msg_qbytes;
- target_ulong msg_lspid;
- target_ulong msg_lrpid;
- target_ulong __unused4;
- target_ulong __unused5;
+ 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 void target_to_host_msqid_ds(struct msqid_ds *host_md,
- target_ulong target_addr)
+static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
+ abi_ulong target_addr)
{
struct target_msqid_ds *target_md;
- lock_user_struct(target_md, target_addr, 1);
- target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
+ 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_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 void host_to_target_msqid_ds(target_ulong target_addr,
- struct msqid_ds *host_md)
+static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
+ struct msqid_ds *host_md)
{
struct target_msqid_ds *target_md;
- lock_user_struct(target_md, target_addr, 0);
- host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
+ 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_lspid = tswapl(host_md->msg_lspid);
target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
unlock_user_struct(target_md, target_addr, 1);
+ return 0;
}
-static inline target_long do_msgctl(int first, int second, target_long ptr)
+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;
- int cmd = second&0xff;
- target_long ret = 0;
- switch( cmd ) {
+ struct msginfo msginfo;
+ abi_long ret = -TARGET_EINVAL;
+
+ cmd &= 0xff;
+
+ switch (cmd) {
case IPC_STAT:
case IPC_SET:
- target_to_host_msqid_ds(&dsarg,ptr);
- ret = get_errno(msgctl(first, cmd, &dsarg));
- host_to_target_msqid_ds(ptr,&dsarg);
- default:
- ret = get_errno(msgctl(first, cmd, &dsarg));
+ 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 {
- target_ulong mtype;
- char mtext[1];
+ abi_long mtype;
+ char mtext[1];
};
-static inline target_long do_msgsnd(int msqid, target_long msgp,
- unsigned int msgsz, int msgflg)
+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;
- target_long ret = 0;
+ abi_long ret = 0;
- lock_user_struct(target_mb,msgp,0);
+ if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
+ return -TARGET_EFAULT;
host_mb = malloc(msgsz+sizeof(long));
- host_mb->mtype = tswapl(target_mb->mtype);
- memcpy(host_mb->mtext,target_mb->mtext,msgsz);
+ 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 target_long do_msgrcv(int msqid, target_long msgp,
- unsigned int msgsz, int msgtype,
- int msgflg)
+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;
- target_long ret = 0;
+ abi_long ret = 0;
+
+ if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
+ return -TARGET_EFAULT;
- lock_user_struct(target_mb, msgp, 0);
host_mb = malloc(msgsz+sizeof(long));
- ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
- if (ret > 0)
- memcpy(target_mb->mtext, host_mb->mtext, ret);
+ 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);
- unlock_user_struct(target_mb, msgp, 0);
+end:
+ if (target_mb)
+ unlock_user_struct(target_mb, msgp, 1);
return ret;
}
+#ifdef TARGET_NR_ipc
/* ??? This only works with linear mappings. */
-static target_long do_ipc(unsigned int call, int first,
- int second, int third,
- target_long ptr, target_long fifth)
+/* 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;
- target_long ret = 0;
- unsigned long raddr;
+ abi_long ret = 0;
struct shmid_ds shm_info;
int i;
switch (call) {
case IPCOP_semop:
- ret = get_errno(semop(first,(struct sembuf *) ptr, second));
+ ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
break;
case IPCOP_semget:
case IPCOP_semtimedop:
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
- ret = -ENOSYS;
+ ret = -TARGET_ENOSYS;
break;
- case IPCOP_msgget:
- ret = get_errno(msgget(first, second));
- break;
+ case IPCOP_msgget:
+ ret = get_errno(msgget(first, second));
+ break;
- case IPCOP_msgsnd:
- ret = do_msgsnd(first, ptr, second, third);
- break;
+ case IPCOP_msgsnd:
+ ret = do_msgsnd(first, ptr, second, third);
+ break;
- case IPCOP_msgctl:
- ret = do_msgctl(first, second, ptr);
- break;
+ case IPCOP_msgctl:
+ ret = do_msgctl(first, second, ptr);
+ break;
- case IPCOP_msgrcv:
- {
- struct ipc_kludge
- {
- void *__unbounded msgp;
- long int msgtyp;
- };
+ case IPCOP_msgrcv:
+ switch (version) {
+ case 0:
+ {
+ struct target_ipc_kludge {
+ abi_long msgp;
+ abi_long msgtyp;
+ } *tmp;
- struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
- struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
+ if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
- ret = do_msgrcv(first, (long)msgp, second, 0, third);
+ ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
- }
- break;
+ unlock_user_struct(tmp, ptr, 0);
+ break;
+ }
+ default:
+ ret = do_msgrcv(first, ptr, second, fifth, third);
+ }
+ break;
case IPCOP_shmat:
- /* SHM_* flags are the same on all linux platforms */
- ret = get_errno((long) shmat(first, (void *) ptr, second));
- if (is_error(ret))
- break;
- raddr = ret;
- /* 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((void *) raddr);
- 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;
+ {
+ 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;
- }
- }
- if (put_user(raddr, (target_ulong *)third))
- return -EFAULT;
- ret = 0;
+ }
+ 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) {
break;
}
}
- ret = get_errno(shmdt((void *) ptr));
+ ret = get_errno(shmdt((void *)g2h(ptr)));
break;
case IPCOP_shmget:
default:
unimplemented:
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
- ret = -ENOSYS;
+ ret = -TARGET_ENOSYS;
break;
}
return ret;
#undef STRUCT
#undef STRUCT_SPECIAL
-#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
+#define STRUCT(name, list...) static const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
#define STRUCT_SPECIAL(name)
#include "syscall_types.h"
#undef STRUCT
#define MAX_STRUCT_SIZE 4096
-IOCTLEntry ioctl_entries[] = {
+static IOCTLEntry ioctl_entries[] = {
#define IOCTL(cmd, access, types...) \
{ TARGET_ ## cmd, cmd, #cmd, access, { types } },
#include "ioctls.h"
};
/* ??? Implement proper locking for ioctls. */
-static target_long do_ioctl(int fd, target_long cmd, target_long arg)
+/* 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;
- target_long ret;
+ abi_long ret;
uint8_t buf_temp[MAX_STRUCT_SIZE];
int target_size;
void *argptr;
for(;;) {
if (ie->target_cmd == 0) {
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
- return -ENOSYS;
+ return -TARGET_ENOSYS;
}
if (ie->target_cmd == cmd)
break;
case IOC_R:
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
if (!is_error(ret)) {
- argptr = lock_user(arg, target_size, 0);
+ 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(arg, target_size, 1);
+ 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(arg, target_size, 1);
+ 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(arg, target_size, 0);
+ 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);
}
default:
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
(long)cmd, arg_type[0]);
- ret = -ENOSYS;
+ ret = -TARGET_ENOSYS;
break;
}
return ret;
}
-bitmask_transtbl iflag_tbl[] = {
+static const bitmask_transtbl iflag_tbl[] = {
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
{ 0, 0, 0, 0 }
};
-bitmask_transtbl oflag_tbl[] = {
+static const bitmask_transtbl oflag_tbl[] = {
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
{ 0, 0, 0, 0 }
};
-bitmask_transtbl cflag_tbl[] = {
+static const bitmask_transtbl cflag_tbl[] = {
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
{ 0, 0, 0, 0 }
};
-bitmask_transtbl lflag_tbl[] = {
+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->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
}
-StructEntry struct_termios_def = {
+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) },
#if defined(TARGET_I386)
/* NOTE: there is really one LDT for all the threads */
-uint8_t *ldt_table;
+static uint8_t *ldt_table;
-static int read_ldt(target_ulong ptr, unsigned long bytecount)
+static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
{
int size;
void *p;
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
if (size > bytecount)
size = bytecount;
- p = lock_user(ptr, size, 0);
- /* ??? Shoudl this by byteswapped? */
+ 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 int write_ldt(CPUX86State *env,
- target_ulong ptr, unsigned long bytecount, int oldmode)
+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;
+ int seg_not_present, useable, lm;
uint32_t *lp, entry_1, entry_2;
if (bytecount != sizeof(ldt_info))
- return -EINVAL;
- lock_user_struct(target_ldt_info, ptr, 1);
+ 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);
unlock_user_struct(target_ldt_info, ptr, 0);
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
- return -EINVAL;
+ 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 -EINVAL;
+ return -TARGET_EINVAL;
if (seg_not_present == 0)
- return -EINVAL;
+ return -TARGET_EINVAL;
}
/* allocate the LDT */
if (!ldt_table) {
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
if (!ldt_table)
- return -ENOMEM;
+ return -TARGET_ENOMEM;
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
- env->ldt.base = h2g(ldt_table);
+ env->ldt.base = h2g((unsigned long)ldt_table);
env->ldt.limit = 0xffff;
}
((seg_not_present ^ 1) << 15) |
(seg_32bit << 22) |
(limit_in_pages << 23) |
+ (lm << 21) |
0x7000;
if (!oldmode)
entry_2 |= (useable << 20);
}
/* specific and weird i386 syscalls */
-int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
+static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
+ unsigned long bytecount)
{
- int ret = -ENOSYS;
+ abi_long ret;
switch (func) {
case 0:
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
/* never exits */
return 0;
}
+#endif
-int do_fork(CPUState *env, unsigned int flags, target_ulong newsp)
+/* 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) {
- ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
- memset(ts, 0, sizeof(TaskState));
+#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;
- ts->used = 1;
- /* add in task state list */
- ts->next = first_task_state;
- first_task_state = ts;
/* we create a new CPU instance. */
- new_env = cpu_copy(env);
-#if defined(TARGET_I386)
- if (!newsp)
- newsp = env->regs[R_ESP];
- new_env->regs[R_ESP] = newsp;
- new_env->regs[R_EAX] = 0;
-#elif defined(TARGET_ARM)
- if (!newsp)
- newsp = env->regs[13];
- new_env->regs[13] = newsp;
- new_env->regs[0] = 0;
-#elif defined(TARGET_SPARC)
- if (!newsp)
- newsp = env->regwptr[22];
- new_env->regwptr[22] = newsp;
- new_env->regwptr[0] = 0;
- /* XXXXX */
- printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
-#elif defined(TARGET_M68K)
- if (!newsp)
- newsp = env->aregs[7];
- new_env->aregs[7] = newsp;
- new_env->dregs[0] = 0;
- /* ??? is this sufficient? */
-#elif defined(TARGET_MIPS)
- if (!newsp)
- newsp = env->gpr[29][env->current_tc];
- new_env->gpr[29][env->current_tc] = newsp;
-#elif defined(TARGET_PPC)
- if (!newsp)
- newsp = env->gpr[1];
- new_env->gpr[1] = newsp;
- {
- int i;
- for (i = 7; i < 32; i++)
- new_env->gpr[i] = 0;
- }
-#elif defined(TARGET_SH4)
- if (!newsp)
- newsp = env->gregs[15];
- new_env->gregs[15] = newsp;
- /* XXXXX */
-#elif defined(TARGET_ALPHA)
- if (!newsp)
- newsp = env->ir[30];
- new_env->ir[30] = newsp;
- /* ? */
- {
- int i;
- for (i = 7; i < 30; i++)
- new_env->ir[i] = 0;
+ 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;
}
-#elif defined(TARGET_CRIS)
- if (!newsp)
- newsp = env->regs[14];
- new_env->regs[14] = newsp;
+ pthread_mutex_unlock(&info.mutex);
+ pthread_cond_destroy(&info.cond);
+ pthread_mutex_destroy(&info.mutex);
+ pthread_mutex_unlock(&clone_lock);
#else
-#error unsupported target CPU
-#endif
- new_env->opaque = ts;
+ if (flags & CLONE_NPTL_FLAGS2)
+ return -EINVAL;
+ /* This is probably going to die very quickly, but do it anyway. */
#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) != 0)
+ if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
return -EINVAL;
+ fork_start();
ret = fork();
+#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 (ret == 0) {
+ cpu_clone_regs(env, newsp);
+ fork_end(1);
+ /* Child Process. */
+ 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. */
+ } else {
+ fork_end(0);
+ }
+#else
+ if (ret == 0) {
+ cpu_clone_regs(env, newsp);
+ }
+#endif
}
return ret;
}
-static target_long do_fcntl(int fd, int cmd, target_ulong arg)
+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;
- target_long ret;
+ abi_long ret;
switch(cmd) {
case TARGET_F_GETLK:
- lock_user_struct(target_fl, arg, 1);
+ 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 = fcntl(fd, cmd, &fl);
+ ret = get_errno(fcntl(fd, cmd, &fl));
if (ret == 0) {
- lock_user_struct(target_fl, arg, 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);
case TARGET_F_SETLK:
case TARGET_F_SETLKW:
- lock_user_struct(target_fl, arg, 1);
+ 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 = fcntl(fd, cmd, &fl);
+ ret = get_errno(fcntl(fd, cmd, &fl));
break;
case TARGET_F_GETLK64:
- lock_user_struct(target_fl64, arg, 1);
+ 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 = fcntl(fd, cmd >> 1, &fl64);
+ ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
if (ret == 0) {
- lock_user_struct(target_fl64, arg, 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_pid = tswapl(fl64.l_pid);
unlock_user_struct(target_fl64, arg, 1);
}
- break;
+ break;
case TARGET_F_SETLK64:
case TARGET_F_SETLKW64:
- lock_user_struct(target_fl64, arg, 1);
+ 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 = fcntl(fd, cmd >> 1, &fl64);
+ ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
break;
case F_GETFL:
- ret = fcntl(fd, cmd, arg);
- ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
+ ret = get_errno(fcntl(fd, cmd, arg));
+ if (ret >= 0) {
+ ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
+ }
break;
case F_SETFL:
- ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
+ ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
break;
default:
- ret = fcntl(fd, cmd, arg);
+ ret = get_errno(fcntl(fd, cmd, arg));
break;
}
return ret;
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);
~(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)
- if (ie->target_cmd != ie->host_cmd) {
- fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
- ie->target_cmd, ie->host_cmd);
+#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_LONG_BITS == 32
+#if TARGET_ABI_BITS == 32
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
{
-#ifdef TARGET_WORDS_BIG_ENDIAN
+#ifdef TARGET_WORDS_BIGENDIAN
return ((uint64_t)word0 << 32) | word1;
#else
return ((uint64_t)word1 << 32) | word0;
#endif
}
-#else /* TARGET_LONG_BITS == 32 */
+#else /* TARGET_ABI_BITS == 32 */
static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
{
return word0;
}
-#endif /* TARGET_LONG_BITS != 32 */
+#endif /* TARGET_ABI_BITS != 32 */
#ifdef TARGET_NR_truncate64
-static inline target_long target_truncate64(void *cpu_env, const char *arg1,
- target_long arg2,
- target_long arg3,
- target_long arg4)
+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)
#endif
#ifdef TARGET_NR_ftruncate64
-static inline target_long target_ftruncate64(void *cpu_env, target_long arg1,
- target_long arg2,
- target_long arg3,
- target_long arg4)
+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)
}
#endif
-static inline void target_to_host_timespec(struct timespec *host_ts,
- target_ulong target_addr)
+static inline abi_long target_to_host_timespec(struct timespec *host_ts,
+ abi_ulong target_addr)
{
struct target_timespec *target_ts;
- lock_user_struct(target_ts, target_addr, 1);
+ 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 void host_to_target_timespec(target_ulong target_addr,
- struct timespec *host_ts)
+static inline abi_long host_to_target_timespec(abi_ulong target_addr,
+ struct timespec *host_ts)
{
struct target_timespec *target_ts;
- lock_user_struct(target_ts, target_addr, 0);
+ 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;
}
-target_long do_syscall(void *cpu_env, int num, target_long arg1,
- target_long arg2, target_long arg3, target_long arg4,
- target_long arg5, target_long arg6)
+/* do_syscall() should always have a single exit point at the end so
+ that actions, such as logging of syscall results, can be performed.
+ All errnos that do_syscall() returns must be -TARGET_<errcode>. */
+abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
+ abi_long arg2, abi_long arg3, abi_long arg4,
+ abi_long arg5, abi_long arg6)
{
- target_long ret;
+ 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
#endif
gdb_exit(cpu_env, arg1);
/* XXX: should free thread stack and CPU env */
- _exit(arg1);
+ sys_exit(arg1);
ret = 0; /* avoid warning */
break;
case TARGET_NR_read:
- page_unprotect_range(arg2, arg3);
- p = lock_user(arg2, arg3, 0);
+ 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:
- p = lock_user(arg2, arg3, 1);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(open(path(p),
target_to_host_bitmask(arg2, fcntl_flags_tbl),
arg3));
break;
#if defined(TARGET_NR_openat) && defined(__NR_openat)
case TARGET_NR_openat:
- if (!arg2) {
- ret = -EFAULT;
- goto fail;
- }
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_openat(arg1,
- path(p),
- target_to_host_bitmask(arg3, fcntl_flags_tbl),
- arg4));
- if (p)
- unlock_user(p, arg2, 0);
+ 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 = do_brk(arg1);
break;
case TARGET_NR_fork:
- ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
+ 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)
- tput32(arg2, status);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(creat(p, arg2));
unlock_user(p, arg1, 0);
break;
void * p2;
p = lock_user_string(arg1);
p2 = lock_user_string(arg2);
- ret = get_errno(link(p, p2));
+ 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:
- if (!arg2 || !arg4) {
- ret = -EFAULT;
- goto fail;
- }
{
void * p2 = NULL;
+ if (!arg2 || !arg4)
+ goto efault;
p = lock_user_string(arg2);
p2 = lock_user_string(arg4);
- if (!access_ok(VERIFY_READ, p, 1)
- || !access_ok(VERIFY_READ, p2, 1))
- ret = -EFAULT;
+ if (!p || !p2)
+ ret = -TARGET_EFAULT;
else
ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
- if (p2)
- unlock_user(p, arg2, 0);
- if (p)
- unlock_user(p2, arg4, 0);
+ unlock_user(p, arg2, 0);
+ unlock_user(p2, arg4, 0);
}
break;
#endif
case TARGET_NR_unlink:
- p = lock_user_string(arg1);
+ 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 (!arg2) {
- ret = -EFAULT;
- goto fail;
- }
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_unlinkat(arg1, p, arg3));
- if (p)
- unlock_user(p, arg2, 0);
+ 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;
- target_ulong gp;
- target_ulong guest_argp;
- target_ulong guest_envp;
- target_ulong addr;
+ 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; tgetl(gp); gp++)
+ 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; tgetl(gp); gp++)
+ 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 += sizeof(target_ulong), q++) {
- addr = tgetl(gp);
+ for (gp = guest_argp, q = argp; gp;
+ gp += sizeof(abi_ulong), q++) {
+ if (get_user_ual(addr, gp))
+ goto execve_efault;
if (!addr)
break;
- *q = lock_user_string(addr);
+ if (!(*q = lock_user_string(addr)))
+ goto execve_efault;
}
*q = NULL;
- for (gp = guest_envp, q = envp; ;
- gp += sizeof(target_ulong), q++) {
- addr = tgetl(gp);
+ for (gp = guest_envp, q = envp; gp;
+ gp += sizeof(abi_ulong), q++) {
+ if (get_user_ual(addr, gp))
+ goto execve_efault;
if (!addr)
break;
- *q = lock_user_string(addr);
+ if (!(*q = lock_user_string(addr)))
+ goto execve_efault;
}
*q = NULL;
- p = lock_user_string(arg1);
+ 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(target_ulong), q++) {
- addr = tgetl(gp);
+ 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(target_ulong), q++) {
- addr = tgetl(gp);
+ gp += sizeof(abi_ulong), q++) {
+ if (get_user_ual(addr, gp)
+ || !addr)
+ break;
unlock_user(*q, addr, 0);
}
}
break;
case TARGET_NR_chdir:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(chdir(p));
unlock_user(p, arg1, 0);
break;
{
time_t host_time;
ret = get_errno(time(&host_time));
- if (!is_error(ret) && arg1)
- tputl(arg1, host_time);
+ if (!is_error(ret)
+ && arg1
+ && put_user_sal(host_time, arg1))
+ goto efault;
}
break;
#endif
case TARGET_NR_mknod:
- p = lock_user_string(arg1);
+ 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 (!arg2) {
- ret = -EFAULT;
- goto fail;
- }
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
- if (p)
- unlock_user(p, arg2, 0);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(chmod(p, arg2));
unlock_user(p, arg1, 0);
break;
p = lock_user_string(arg1);
p2 = lock_user_string(arg2);
p3 = lock_user_string(arg3);
- ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
- unlock_user(p, arg1, 0);
- unlock_user(p2, arg2, 0);
- unlock_user(p3, arg3, 0);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(umount(p));
unlock_user(p, arg1, 0);
break;
case TARGET_NR_stime:
{
time_t host_time;
- host_time = tgetl(arg1);
+ if (get_user_sal(host_time, arg1))
+ goto efault;
ret = get_errno(stime(&host_time));
}
break;
struct utimbuf tbuf, *host_tbuf;
struct target_utimbuf *target_tbuf;
if (arg2) {
- lock_user_struct(target_tbuf, arg2, 1);
+ 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);
} else {
host_tbuf = NULL;
}
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(utime(p, host_tbuf));
unlock_user(p, arg1, 0);
}
{
struct timeval *tvp, tv[2];
if (arg2) {
- target_to_host_timeval(&tv[0], arg2);
- target_to_host_timeval(&tv[1],
- arg2 + sizeof (struct target_timeval));
+ 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;
}
- p = lock_user_string(arg1);
+ 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;
goto unimplemented;
#endif
case TARGET_NR_access:
- p = lock_user_string(arg1);
+ 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 (!arg2) {
- ret = -EFAULT;
- goto fail;
- }
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
- if (p)
- unlock_user(p, arg2, 0);
+ 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 */
ret = 0;
break;
case TARGET_NR_kill:
- ret = get_errno(kill(arg1, arg2));
+ 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);
- ret = get_errno(rename(p, p2));
+ 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:
- if (!arg2 || !arg4) {
- ret = -EFAULT;
- goto fail;
- }
{
- void *p2 = NULL;
+ void *p2;
p = lock_user_string(arg2);
p2 = lock_user_string(arg4);
- if (!access_ok(VERIFY_READ, p, 1)
- || !access_ok(VERIFY_READ, p2, 1))
- ret = -EFAULT;
+ if (!p || !p2)
+ ret = -TARGET_EFAULT;
else
ret = get_errno(sys_renameat(arg1, p, arg3, p2));
- if (p2)
- unlock_user(p2, arg4, 0);
- if (p)
- unlock_user(p, arg2, 0);
+ unlock_user(p2, arg4, 0);
+ unlock_user(p, arg2, 0);
}
break;
#endif
case TARGET_NR_mkdir:
- p = lock_user_string(arg1);
+ 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 (!arg2) {
- ret = -EFAULT;
- goto fail;
- }
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_mkdirat(arg1, p, arg3));
- if (p)
- unlock_user(p, arg2, 0);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(rmdir(p));
unlock_user(p, arg1, 0);
break;
if (!is_error(ret)) {
#if defined(TARGET_MIPS)
CPUMIPSState *env = (CPUMIPSState*)cpu_env;
- env->gpr[3][env->current_tc] = host_pipe[1];
+ 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
- tput32(arg1, host_pipe[0]);
- tput32(arg1 + 4, host_pipe[1]);
+ if (put_user_s32(host_pipe[0], arg1)
+ || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
+ goto efault;
#endif
}
}
struct tms tms;
ret = get_errno(times(&tms));
if (arg1) {
- tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
+ 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));
goto unimplemented;
#endif
case TARGET_NR_acct:
- p = lock_user_string(arg1);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(umount2(p, arg2));
unlock_user(p, arg1, 0);
break;
ret = do_ioctl(arg1, arg2, arg3);
break;
case TARGET_NR_fcntl:
- ret = get_errno(do_fcntl(arg1, arg2, arg3));
+ ret = do_fcntl(arg1, arg2, arg3);
break;
#ifdef TARGET_NR_mpx
case TARGET_NR_mpx:
ret = get_errno(umask(arg1));
break;
case TARGET_NR_chroot:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(chroot(p));
unlock_user(p, arg1, 0);
break;
struct target_old_sigaction *old_act;
struct target_sigaction act, oact, *pact;
if (arg2) {
- lock_user_struct(old_act, arg2, 1);
+ 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;
}
ret = get_errno(do_sigaction(arg1, pact, &oact));
if (!is_error(ret) && arg3) {
- lock_user_struct(old_act, arg3, 0);
+ 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;
struct target_sigaction act, oact, *pact, *old_act;
if (arg2) {
- lock_user_struct(old_act, arg2, 1);
+ 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;
ret = get_errno(do_sigaction(arg1, pact, &oact));
if (!is_error(ret) && arg3) {
- lock_user_struct(old_act, arg3, 0);
+ 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];
struct target_sigaction *act;
struct target_sigaction *oact;
- if (arg2)
- lock_user_struct(act, arg2, 1);
- else
+ if (arg2) {
+ if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
+ goto efault;
+ } else
act = NULL;
- if (arg3)
- lock_user_struct(oact, arg3, 0);
- else
+ 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));
- if (arg2)
+ rt_sigaction_fail:
+ if (act)
unlock_user_struct(act, arg2, 0);
- if (arg3)
+ if (oact)
unlock_user_struct(oact, arg3, 1);
}
break;
case TARGET_NR_sgetmask:
{
sigset_t cur_set;
- target_ulong target_set;
+ abi_ulong target_set;
sigprocmask(0, NULL, &cur_set);
host_to_target_old_sigset(&target_set, &cur_set);
ret = target_set;
case TARGET_NR_ssetmask:
{
sigset_t set, oset, cur_set;
- target_ulong target_set = arg1;
+ abi_ulong target_set = arg1;
sigprocmask(0, NULL, &cur_set);
target_to_host_old_sigset(&set, &target_set);
sigorset(&set, &set, &cur_set);
how = SIG_SETMASK;
break;
default:
- ret = -EINVAL;
+ ret = -TARGET_EINVAL;
goto fail;
}
- p = lock_user(arg2, sizeof(target_sigset_t), 1);
+ 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;
}
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
if (!is_error(ret) && arg3) {
- p = lock_user(arg3, sizeof(target_sigset_t), 0);
+ 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));
}
how = SIG_SETMASK;
break;
default:
- ret = -EINVAL;
+ ret = -TARGET_EINVAL;
goto fail;
}
- p = lock_user(arg2, sizeof(target_sigset_t), 1);
+ 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;
}
ret = get_errno(sigprocmask(how, set_ptr, &oldset));
if (!is_error(ret) && arg3) {
- p = lock_user(arg3, sizeof(target_sigset_t), 0);
+ 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));
}
sigset_t set;
ret = get_errno(sigpending(&set));
if (!is_error(ret)) {
- p = lock_user(arg1, sizeof(target_sigset_t), 0);
+ 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));
}
sigset_t set;
ret = get_errno(sigpending(&set));
if (!is_error(ret)) {
- p = lock_user(arg1, sizeof(target_sigset_t), 0);
+ 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));
}
case TARGET_NR_sigsuspend:
{
sigset_t set;
- p = lock_user(arg1, sizeof(target_sigset_t), 1);
+ 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));
case TARGET_NR_rt_sigsuspend:
{
sigset_t set;
- p = lock_user(arg1, sizeof(target_sigset_t), 1);
+ 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));
struct timespec uts, *puts;
siginfo_t uinfo;
- p = lock_user(arg1, sizeof(target_sigset_t), 1);
+ 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) {
}
ret = get_errno(sigtimedwait(&set, &uinfo, puts));
if (!is_error(ret) && arg2) {
- p = lock_user(arg2, sizeof(target_sigset_t), 0);
+ 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_sigset_t));
+ unlock_user(p, arg2, sizeof(target_siginfo_t));
}
}
break;
case TARGET_NR_rt_sigqueueinfo:
{
siginfo_t uinfo;
- p = lock_user(arg3, sizeof(target_sigset_t), 1);
+ 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));
ret = do_rt_sigreturn(cpu_env);
break;
case TARGET_NR_sethostname:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(sethostname(p, arg2));
unlock_user(p, arg1, 0);
break;
int resource = arg1;
struct target_rlimit *target_rlim;
struct rlimit rlim;
- lock_user_struct(target_rlim, arg2, 1);
+ 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(getrlimit(resource, &rlim));
if (!is_error(ret)) {
- lock_user_struct(target_rlim, arg2, 0);
+ 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);
struct timeval tv;
ret = get_errno(gettimeofday(&tv, NULL));
if (!is_error(ret)) {
- host_to_target_timeval(arg1, &tv);
+ if (copy_to_user_timeval(arg1, &tv))
+ goto efault;
}
}
break;
case TARGET_NR_settimeofday:
{
struct timeval tv;
- target_to_host_timeval(&tv, arg1);
+ if (copy_from_user_timeval(&tv, arg1))
+ goto efault;
ret = get_errno(settimeofday(&tv, NULL));
}
break;
case TARGET_NR_select:
{
struct target_sel_arg_struct *sel;
- target_ulong inp, outp, exp, tvp;
+ abi_ulong inp, outp, exp, tvp;
long nsel;
- lock_user_struct(sel, arg1, 1);
+ if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
+ goto efault;
nsel = tswapl(sel->n);
inp = tswapl(sel->inp);
outp = tswapl(sel->outp);
void *p2;
p = lock_user_string(arg1);
p2 = lock_user_string(arg2);
- ret = get_errno(symlink(p, p2));
+ 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:
- if (!arg1 || !arg3) {
- ret = -EFAULT;
- goto fail;
- }
{
- void *p2 = NULL;
+ void *p2;
p = lock_user_string(arg1);
p2 = lock_user_string(arg3);
- if (!access_ok(VERIFY_READ, p, 1)
- || !access_ok(VERIFY_READ, p2, 1))
- ret = -EFAULT;
+ if (!p || !p2)
+ ret = -TARGET_EFAULT;
else
ret = get_errno(sys_symlinkat(p, arg2, p2));
- if (p2)
- unlock_user(p2, arg3, 0);
- if (p)
- unlock_user(p, arg1, 0);
+ unlock_user(p2, arg3, 0);
+ unlock_user(p, arg1, 0);
}
break;
#endif
{
void *p2;
p = lock_user_string(arg1);
- p2 = lock_user(arg2, arg3, 0);
- ret = get_errno(readlink(path(p), p2, arg3));
+ 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:
- if (!arg2 || !arg3) {
- ret = -EFAULT;
- goto fail;
- }
{
- void *p2 = NULL;
+ void *p2;
p = lock_user_string(arg2);
- p2 = lock_user(arg3, arg4, 0);
- if (!access_ok(VERIFY_READ, p, 1)
- || !access_ok(VERIFY_READ, p2, 1))
- ret = -EFAULT;
+ 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));
- if (p2)
- unlock_user(p2, arg3, ret);
- if (p)
- unlock_user(p, arg2, 0);
+ unlock_user(p2, arg3, ret);
+ unlock_user(p, arg2, 0);
}
break;
#endif
#endif
#ifdef TARGET_NR_swapon
case TARGET_NR_swapon:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(swapon(p, arg2));
unlock_user(p, arg1, 0);
break;
#endif
#ifdef TARGET_NR_mmap
case TARGET_NR_mmap:
-#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
+#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
{
- target_ulong *v;
- target_ulong v1, v2, v3, v4, v5, v6;
- v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
+ 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]);
#endif
#ifdef TARGET_NR_mmap2
case TARGET_NR_mmap2:
-#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
+#ifndef MMAP_SHIFT
#define MMAP_SHIFT 12
-#else
-#define MMAP_SHIFT TARGET_PAGE_BITS
#endif
ret = get_errno(target_mmap(arg1, arg2, arg3,
target_to_host_bitmask(arg4, mmap_flags_tbl),
break;
#endif
case TARGET_NR_truncate:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(truncate(p, arg2));
unlock_user(p, arg1, 0);
break;
break;
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
case TARGET_NR_fchmodat:
- if (!arg2) {
- ret = -EFAULT;
- goto fail;
- }
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
- if (p)
- unlock_user(p, arg2, 0);
+ 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:
- ret = get_errno(getpriority(arg1, arg2));
+ /* 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));
goto unimplemented;
#endif
case TARGET_NR_statfs:
- p = lock_user_string(arg1);
+ 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;
- lock_user_struct(target_stfs, arg2, 0);
- /* ??? put_user is probably wrong. */
- 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);
+ 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;
goto convert_statfs;
#ifdef TARGET_NR_statfs64
case TARGET_NR_statfs64:
- p = lock_user_string(arg1);
+ 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;
- lock_user_struct(target_stfs, arg3, 0);
- /* ??? put_user is probably wrong. */
- 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, 0);
+ 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:
#endif
case TARGET_NR_syslog:
- p = lock_user_string(arg2);
+ if (!(p = lock_user_string(arg2)))
+ goto efault;
ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
unlock_user(p, arg2, 0);
break;
if (arg2) {
pvalue = &value;
- target_to_host_timeval(&pvalue->it_interval,
- arg2);
- target_to_host_timeval(&pvalue->it_value,
- arg2 + sizeof(struct target_timeval));
+ 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) {
- host_to_target_timeval(arg3,
- &ovalue.it_interval);
- host_to_target_timeval(arg3 + sizeof(struct target_timeval),
- &ovalue.it_value);
+ if (copy_to_user_timeval(arg3,
+ &ovalue.it_interval)
+ || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
+ &ovalue.it_value))
+ goto efault;
}
}
break;
ret = get_errno(getitimer(arg1, &value));
if (!is_error(ret) && arg2) {
- host_to_target_timeval(arg2,
- &value.it_interval);
- host_to_target_timeval(arg2 + sizeof(struct target_timeval),
- &value.it_value);
+ 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:
- p = lock_user_string(arg1);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(lstat(path(p), &st));
unlock_user(p, arg1, 0);
goto do_stat;
if (!is_error(ret)) {
struct target_stat *target_st;
- lock_user_struct(target_st, arg2, 0);
-#if defined(TARGET_MIPS) || defined(TARGET_SPARC64)
- target_st->st_dev = tswap32(st.st_dev);
-#else
- target_st->st_dev = tswap16(st.st_dev);
-#endif
- target_st->st_ino = tswapl(st.st_ino);
-#if defined(TARGET_PPC) || defined(TARGET_MIPS)
- target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
- target_st->st_uid = tswap32(st.st_uid);
- target_st->st_gid = tswap32(st.st_gid);
-#elif defined(TARGET_SPARC64)
- target_st->st_mode = tswap32(st.st_mode);
- target_st->st_uid = tswap32(st.st_uid);
- target_st->st_gid = tswap32(st.st_gid);
-#else
- target_st->st_mode = tswap16(st.st_mode);
- target_st->st_uid = tswap16(st.st_uid);
- target_st->st_gid = tswap16(st.st_gid);
-#endif
-#if defined(TARGET_MIPS)
- /* If this is the same on PPC, then just merge w/ the above ifdef */
- target_st->st_nlink = tswapl(st.st_nlink);
- target_st->st_rdev = tswapl(st.st_rdev);
-#elif defined(TARGET_SPARC64)
- target_st->st_nlink = tswap32(st.st_nlink);
- target_st->st_rdev = tswap32(st.st_rdev);
-#else
- target_st->st_nlink = tswap16(st.st_nlink);
- target_st->st_rdev = tswap16(st.st_rdev);
-#endif
- 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->target_st_atime = tswapl(st.st_atime);
- target_st->target_st_mtime = tswapl(st.st_mtime);
- target_st->target_st_ctime = tswapl(st.st_ctime);
+ 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);
}
}
case TARGET_NR_wait4:
{
int status;
- target_long status_ptr = arg2;
+ abi_long status_ptr = arg2;
struct rusage rusage, *rusage_ptr;
- target_ulong target_rusage = arg4;
+ 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)
- tputl(status_ptr, status);
- if (target_rusage) {
- host_to_target_rusage(target_rusage, &rusage);
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(swapoff(p));
unlock_user(p, arg1, 0);
break;
ret = get_errno(sysinfo(&value));
if (!is_error(ret) && arg1)
{
- /* ??? __put_user is probably wrong. */
- lock_user_struct(target_value, arg1, 0);
+ 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]);
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:
- ret = get_errno(do_fork(cpu_env, arg1, arg2));
+#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 */
break;
#endif
case TARGET_NR_setdomainname:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(setdomainname(p, arg2));
unlock_user(p, arg1, 0);
break;
{
struct new_utsname * buf;
- lock_user_struct(buf, arg1, 0);
+ 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
break;
#ifdef TARGET_I386
case TARGET_NR_modify_ldt:
- ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
+ ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
break;
#if !defined(TARGET_X86_64)
case TARGET_NR_vm86old:
{
#if defined (__x86_64__)
ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
- tput64(arg4, ret);
+ if (put_user_s64(ret, arg4))
+ goto efault;
#else
int64_t res;
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
- tput64(arg4, res);
+ if (put_user_s64(res, arg4))
+ goto efault;
#endif
}
break;
#endif
case TARGET_NR_getdents:
-#if TARGET_LONG_SIZE != 4
+#if TARGET_ABI_BITS != 32
goto unimplemented;
-#warning not supported
-#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
+#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
{
struct target_dirent *target_dirp;
- struct dirent *dirp;
- target_long count = arg3;
+ struct linux_dirent *dirp;
+ abi_long count = arg3;
dirp = malloc(count);
- if (!dirp)
- return -ENOMEM;
+ if (!dirp) {
+ ret = -TARGET_ENOMEM;
+ goto fail;
+ }
ret = get_errno(sys_getdents(arg1, dirp, count));
if (!is_error(ret)) {
- struct dirent *de;
+ struct linux_dirent *de;
struct target_dirent *tde;
int len = ret;
int reclen, treclen;
count1 = 0;
de = dirp;
- target_dirp = lock_user(arg2, count, 0);
+ 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(target_long)));
+ 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(target_long) + 2);
+ tnamelen = treclen - (2 * sizeof(abi_long) + 2);
if (tnamelen > 256)
tnamelen = 256;
/* XXX: may not be correct */
- strncpy(tde->d_name, de->d_name, tnamelen);
- de = (struct dirent *)((char *)de + reclen);
+ 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);
}
- unlock_user(target_dirp, arg2, ret);
free(dirp);
}
#else
{
- struct dirent *dirp;
- target_long count = arg3;
+ struct linux_dirent *dirp;
+ abi_long count = arg3;
- dirp = lock_user(arg2, count, 0);
+ if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
+ goto efault;
ret = get_errno(sys_getdents(arg1, dirp, count));
if (!is_error(ret)) {
- struct dirent *de;
+ struct linux_dirent *de;
int len = ret;
int reclen;
de = dirp;
de->d_reclen = tswap16(reclen);
tswapls(&de->d_ino);
tswapls(&de->d_off);
- de = (struct dirent *)((char *)de + reclen);
+ de = (struct linux_dirent *)((char *)de + reclen);
len -= reclen;
}
}
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
case TARGET_NR_getdents64:
{
- struct dirent64 *dirp;
- target_long count = arg3;
- dirp = lock_user(arg2, count, 0);
+ 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 dirent64 *de;
+ struct linux_dirent64 *de;
int len = ret;
int reclen;
de = dirp;
if (reclen > len)
break;
de->d_reclen = tswap16(reclen);
- tswap64s(&de->d_ino);
- tswap64s(&de->d_off);
- de = (struct dirent64 *)((char *)de + reclen);
+ tswap64s((uint64_t *)&de->d_ino);
+ tswap64s((uint64_t *)&de->d_off);
+ de = (struct linux_dirent64 *)((char *)de + reclen);
len -= reclen;
}
}
struct pollfd *pfd;
unsigned int i;
- target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
+ 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);
struct iovec *vec;
vec = alloca(count * sizeof(struct iovec));
- lock_iovec(vec, arg2, count, 0);
+ 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);
}
struct iovec *vec;
vec = alloca(count * sizeof(struct iovec));
- lock_iovec(vec, arg2, count, 1);
+ 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;
#endif
case TARGET_NR__sysctl:
- /* We don't implement this, but ENODIR is always a safe
+ /* We don't implement this, but ENOTDIR is always a safe
return value. */
- return -ENOTDIR;
+ ret = -TARGET_ENOTDIR;
+ break;
case TARGET_NR_sched_setparam:
{
struct sched_param *target_schp;
struct sched_param schp;
- lock_user_struct(target_schp, arg2, 1);
+ 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));
struct sched_param schp;
ret = get_errno(sched_getparam(arg1, &schp));
if (!is_error(ret)) {
- lock_user_struct(target_schp, arg2, 0);
+ 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);
}
{
struct sched_param *target_schp;
struct sched_param schp;
- lock_user_struct(target_schp, arg3, 1);
+ 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));
{
int deathsig;
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
- if (!is_error(ret) && arg2)
- tput32(arg2, deathsig);
+ if (!is_error(ret) && arg2
+ && put_user_ual(deathsig, arg2))
+ goto efault;
}
break;
default:
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:
- page_unprotect_range(arg2, arg3);
- p = lock_user(arg2, arg3, 0);
+#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:
- p = lock_user(arg2, arg3, 1);
+#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:
- p = lock_user(arg1, arg2, 0);
+ 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_sigaltstack:
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
- ret = do_sigaltstack((struct target_sigaltstack *)arg1,
- (struct target_sigaltstack *)arg2,
- get_sp_from_cpustate((CPUState *)cpu_env));
+ ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
break;
#else
goto unimplemented;
#endif
#ifdef TARGET_NR_vfork
case TARGET_NR_vfork:
- ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
+ ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
+ 0, 0, 0, 0));
break;
#endif
#ifdef TARGET_NR_ugetrlimit
ret = get_errno(getrlimit(arg1, &rlim));
if (!is_error(ret)) {
struct target_rlimit *target_rlim;
- lock_user_struct(target_rlim, arg2, 0);
+ 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);
#endif
#ifdef TARGET_NR_truncate64
case TARGET_NR_truncate64:
- p = lock_user_string(arg1);
+ 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_stat64
case TARGET_NR_stat64:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(stat(path(p), &st));
unlock_user(p, arg1, 0);
- goto do_stat64;
+ if (!is_error(ret))
+ ret = host_to_target_stat64(cpu_env, arg2, &st);
+ break;
#endif
#ifdef TARGET_NR_lstat64
case TARGET_NR_lstat64:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(lstat(path(p), &st));
unlock_user(p, arg1, 0);
- goto do_stat64;
+ 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));
- do_stat64:
- if (!is_error(ret)) {
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi) {
- struct target_eabi_stat64 *target_st;
- lock_user_struct(target_st, arg2, 1);
- memset(target_st, 0, sizeof(struct target_eabi_stat64));
- /* put_user is probably wrong. */
- put_user(st.st_dev, &target_st->st_dev);
- put_user(st.st_ino, &target_st->st_ino);
-#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
- put_user(st.st_ino, &target_st->__st_ino);
-#endif
- put_user(st.st_mode, &target_st->st_mode);
- put_user(st.st_nlink, &target_st->st_nlink);
- put_user(st.st_uid, &target_st->st_uid);
- put_user(st.st_gid, &target_st->st_gid);
- put_user(st.st_rdev, &target_st->st_rdev);
- /* XXX: better use of kernel struct */
- put_user(st.st_size, &target_st->st_size);
- put_user(st.st_blksize, &target_st->st_blksize);
- put_user(st.st_blocks, &target_st->st_blocks);
- put_user(st.st_atime, &target_st->target_st_atime);
- put_user(st.st_mtime, &target_st->target_st_mtime);
- put_user(st.st_ctime, &target_st->target_st_ctime);
- unlock_user_struct(target_st, arg2, 0);
- } else
+ ret = get_errno(fstat(arg1, &st));
+ if (!is_error(ret))
+ ret = host_to_target_stat64(cpu_env, arg2, &st);
+ break;
#endif
- {
- struct target_stat64 *target_st;
- lock_user_struct(target_st, arg2, 1);
- memset(target_st, 0, sizeof(struct target_stat64));
- /* ??? put_user is probably wrong. */
- put_user(st.st_dev, &target_st->st_dev);
- put_user(st.st_ino, &target_st->st_ino);
-#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
- put_user(st.st_ino, &target_st->__st_ino);
-#endif
- put_user(st.st_mode, &target_st->st_mode);
- put_user(st.st_nlink, &target_st->st_nlink);
- put_user(st.st_uid, &target_st->st_uid);
- put_user(st.st_gid, &target_st->st_gid);
- put_user(st.st_rdev, &target_st->st_rdev);
- /* XXX: better use of kernel struct */
- put_user(st.st_size, &target_st->st_size);
- put_user(st.st_blksize, &target_st->st_blksize);
- put_user(st.st_blocks, &target_st->st_blocks);
- put_user(st.st_atime, &target_st->target_st_atime);
- put_user(st.st_mtime, &target_st->target_st_mtime);
- put_user(st.st_ctime, &target_st->target_st_ctime);
- unlock_user_struct(target_st, arg2, 0);
- }
- }
- }
+#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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
break;
grouplist = alloca(gidsetsize * sizeof(gid_t));
ret = get_errno(getgroups(gidsetsize, grouplist));
+ if (gidsetsize == 0)
+ break;
if (!is_error(ret)) {
- target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
- for(i = 0;i < gidsetsize; i++)
+ 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);
}
int i;
grouplist = alloca(gidsetsize * sizeof(gid_t));
- target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
+ 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);
break;
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
case TARGET_NR_fchownat:
- if (!arg2) {
- ret = -EFAULT;
- goto fail;
- }
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
- if (p)
- unlock_user(p, arg2, 0);
+ 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
uid_t ruid, euid, suid;
ret = get_errno(getresuid(&ruid, &euid, &suid));
if (!is_error(ret)) {
- tput16(arg1, tswap16(high2lowuid(ruid)));
- tput16(arg2, tswap16(high2lowuid(euid)));
- tput16(arg3, tswap16(high2lowuid(suid)));
+ if (put_user_u16(high2lowuid(ruid), arg1)
+ || put_user_u16(high2lowuid(euid), arg2)
+ || put_user_u16(high2lowuid(suid), arg3))
+ goto efault;
}
}
break;
gid_t rgid, egid, sgid;
ret = get_errno(getresgid(&rgid, &egid, &sgid));
if (!is_error(ret)) {
- tput16(arg1, tswap16(high2lowgid(rgid)));
- tput16(arg2, tswap16(high2lowgid(egid)));
- tput16(arg3, tswap16(high2lowgid(sgid)));
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
break;
#ifdef TARGET_NR_lchown32
case TARGET_NR_lchown32:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(lchown(p, arg2, arg3));
unlock_user(p, arg1, 0);
break;
grouplist = alloca(gidsetsize * sizeof(gid_t));
ret = get_errno(getgroups(gidsetsize, grouplist));
+ if (gidsetsize == 0)
+ break;
if (!is_error(ret)) {
- target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
- for(i = 0;i < gidsetsize; i++)
+ 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);
}
int i;
grouplist = alloca(gidsetsize * sizeof(gid_t));
- target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
+ 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);
uid_t ruid, euid, suid;
ret = get_errno(getresuid(&ruid, &euid, &suid));
if (!is_error(ret)) {
- tput32(arg1, tswap32(ruid));
- tput32(arg2, tswap32(euid));
- tput32(arg3, tswap32(suid));
+ if (put_user_u32(ruid, arg1)
+ || put_user_u32(euid, arg2)
+ || put_user_u32(suid, arg3))
+ goto efault;
}
}
break;
gid_t rgid, egid, sgid;
ret = get_errno(getresgid(&rgid, &egid, &sgid));
if (!is_error(ret)) {
- tput32(arg1, tswap32(rgid));
- tput32(arg2, tswap32(egid));
- tput32(arg3, tswap32(sgid));
+ 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:
- p = lock_user_string(arg1);
+ if (!(p = lock_user_string(arg1)))
+ goto efault;
ret = get_errno(chown(p, arg2, arg3));
unlock_user(p, arg1, 0);
break;
goto unimplemented;
#ifdef TARGET_NR_mincore
case TARGET_NR_mincore:
- goto unimplemented;
+ {
+ 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:
ret = get_errno(0);
break;
#endif
-#if TARGET_LONG_BITS == 32
+#if TARGET_ABI_BITS == 32
case TARGET_NR_fcntl64:
{
int cmd;
case TARGET_F_GETLK64:
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi) {
- lock_user_struct(target_efl, arg3, 1);
+ 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);
} else
#endif
{
- lock_user_struct(target_fl, arg3, 1);
+ 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);
if (ret == 0) {
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi) {
- lock_user_struct(target_efl, arg3, 0);
+ 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);
} else
#endif
{
- lock_user_struct(target_fl, arg3, 0);
+ 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);
case TARGET_F_SETLKW64:
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi) {
- lock_user_struct(target_efl, arg3, 1);
+ 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);
} else
#endif
{
- lock_user_struct(target_fl, arg3, 1);
+ 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);
ret = get_errno(fcntl(arg1, cmd, &fl));
break;
default:
- ret = get_errno(do_fcntl(arg1, cmd, arg3));
+ ret = do_fcntl(arg1, cmd, arg3);
break;
}
break;
break;
#ifdef TARGET_NR_readahead
case TARGET_NR_readahead:
- goto unimplemented;
+#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:
#endif
#ifdef TARGET_NR_set_thread_area
case TARGET_NR_set_thread_area:
-#ifdef TARGET_MIPS
+#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;
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 *) arg1));
- break;
+ ret = get_errno(set_tid_address((int *)g2h(arg1)));
+ break;
#endif
#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
case TARGET_NR_tkill:
- ret = get_errno(sys_tkill((int)arg1, (int)arg2));
+ 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, (int)arg3));
+ ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
+ target_to_host_signal(arg3)));
break;
#endif
if (!arg2)
ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
else {
- p = lock_user_string(arg2);
- if (!access_ok(VERIFY_READ, p, 1))
- ret = -EFAULT;
- else
- ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
- if (p)
- unlock_user(p, arg2, 0);
+ 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
+#ifdef TARGET_NR_inotify_init
+ case TARGET_NR_inotify_init:
+ ret = get_errno(sys_inotify_init());
+ break;
+#endif
+#ifdef TARGET_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
+#ifdef TARGET_NR_inotify_rm_watch
+ case TARGET_NR_inotify_rm_watch:
+ ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
+ break;
+#endif
default:
unimplemented:
#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 = -ENOSYS;
+ ret = -TARGET_ENOSYS;
break;
}
- fail:
+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;
}
projects / qemu.git / blobdiff