#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <linux/wireless.h>
-#include <qemu-common.h>
+#include "qemu-common.h"
#ifdef TARGET_GPROF
#include <sys/gmon.h>
#endif
#ifdef CONFIG_EPOLL
#include <sys/epoll.h>
#endif
+#ifdef CONFIG_ATTR
+#include "qemu-xattr.h"
+#endif
#define termios host_termios
#define winsize host_winsize
#include "cpu-uname.h"
#include "qemu.h"
-#include "qemu-common.h"
#if defined(CONFIG_USE_NPTL)
#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
unsigned long *, user_mask_ptr);
+_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
+ void *, arg);
static bitmask_transtbl fcntl_flags_tbl[] = {
{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
}
#endif
#ifdef TARGET_NR_openat
-static int sys_openat(int dirfd, const char *pathname, int flags, ...)
+static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
{
/*
* open(2) has extra parameter 'mode' when called with
* flag O_CREAT.
*/
if ((flags & O_CREAT) != 0) {
- va_list ap;
- mode_t mode;
-
- /*
- * Get the 'mode' parameter and translate it to
- * host bits.
- */
- va_start(ap, flags);
- mode = va_arg(ap, mode_t);
- mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
- va_end(ap);
-
return (openat(dirfd, pathname, flags, mode));
}
return (openat(dirfd, pathname, flags));
extern int setfsgid(int);
extern int setgroups(int, gid_t *);
+/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
+#ifdef TARGET_ARM
+static inline int regpairs_aligned(void *cpu_env) {
+ return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
+}
+#elif defined(TARGET_MIPS)
+static inline int regpairs_aligned(void *cpu_env) { return 1; }
+#else
+static inline int regpairs_aligned(void *cpu_env) { return 0; }
+#endif
+
#define ERRNO_TABLE_SIZE 1200
/* target_to_host_errno_table[] is initialized from
char *target_strerror(int err)
{
+ if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
+ return NULL;
+ }
return strerror(target_to_host_errno(err));
}
abi_long mapped_addr;
int new_alloc_size;
- DEBUGF_BRK("do_brk(%#010x) -> ", new_brk);
+ DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
if (!new_brk) {
- DEBUGF_BRK("%#010x (!new_brk)\n", target_brk);
+ DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
return target_brk;
}
if (new_brk < target_original_brk) {
- DEBUGF_BRK("%#010x (new_brk < target_original_brk)\n", target_brk);
+ DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
+ target_brk);
return target_brk;
}
memset(g2h(target_brk), 0, new_brk - target_brk);
}
target_brk = new_brk;
- DEBUGF_BRK("%#010x (new_brk <= brk_page)\n", target_brk);
+ DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
return target_brk;
}
MAP_ANON|MAP_PRIVATE, 0, 0));
if (mapped_addr == brk_page) {
+ /* Heap contents are initialized to zero, as for anonymous
+ * mapped pages. Technically the new pages are already
+ * initialized to zero since they *are* anonymous mapped
+ * pages, however we have to take care with the contents that
+ * come from the remaining part of the previous page: it may
+ * contains garbage data due to a previous heap usage (grown
+ * then shrunken). */
+ memset(g2h(target_brk), 0, brk_page - target_brk);
+
target_brk = new_brk;
brk_page = HOST_PAGE_ALIGN(target_brk);
- DEBUGF_BRK("%#010x (mapped_addr == brk_page)\n", target_brk);
+ DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
+ target_brk);
return target_brk;
} else if (mapped_addr != -1) {
/* Mapped but at wrong address, meaning there wasn't actually
*/
target_munmap(mapped_addr, new_alloc_size);
mapped_addr = -1;
- DEBUGF_BRK("%#010x (mapped_addr != -1)\n", target_brk);
+ DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
}
else {
- DEBUGF_BRK("%#010x (otherwise)\n", target_brk);
+ DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
}
#if defined(TARGET_ALPHA)
if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
return -TARGET_EFAULT;
- target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
- target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
- target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
- target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
- target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
- target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
- target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
- target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
- target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
- target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
- target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
- target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
- target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
- target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
- target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
- target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
- target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
- target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
+ target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
+ target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
+ target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
+ target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
+ target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
+ target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
+ target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
+ target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
+ target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
+ target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
+ target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
+ target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
+ target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
+ target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
+ target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
+ target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
+ target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
+ target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
unlock_user_struct(target_rusage, target_addr, 1);
return 0;
}
-static inline rlim_t target_to_host_rlim(target_ulong target_rlim)
+static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
{
- if (target_rlim == TARGET_RLIM_INFINITY)
+ abi_ulong target_rlim_swap;
+ rlim_t result;
+
+ target_rlim_swap = tswapal(target_rlim);
+ if (target_rlim_swap == TARGET_RLIM_INFINITY)
return RLIM_INFINITY;
- else
- return tswapl(target_rlim);
+
+ result = target_rlim_swap;
+ if (target_rlim_swap != (rlim_t)result)
+ return RLIM_INFINITY;
+
+ return result;
}
-static inline target_ulong host_to_target_rlim(rlim_t rlim)
+static inline abi_ulong host_to_target_rlim(rlim_t rlim)
{
- if (rlim == RLIM_INFINITY || rlim != (target_long)rlim)
- return TARGET_RLIM_INFINITY;
+ abi_ulong target_rlim_swap;
+ abi_ulong result;
+
+ if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
+ target_rlim_swap = TARGET_RLIM_INFINITY;
else
- return tswapl(rlim);
+ target_rlim_swap = rlim;
+ result = tswapal(target_rlim_swap);
+
+ return result;
+}
+
+static inline int target_to_host_resource(int code)
+{
+ switch (code) {
+ case TARGET_RLIMIT_AS:
+ return RLIMIT_AS;
+ case TARGET_RLIMIT_CORE:
+ return RLIMIT_CORE;
+ case TARGET_RLIMIT_CPU:
+ return RLIMIT_CPU;
+ case TARGET_RLIMIT_DATA:
+ return RLIMIT_DATA;
+ case TARGET_RLIMIT_FSIZE:
+ return RLIMIT_FSIZE;
+ case TARGET_RLIMIT_LOCKS:
+ return RLIMIT_LOCKS;
+ case TARGET_RLIMIT_MEMLOCK:
+ return RLIMIT_MEMLOCK;
+ case TARGET_RLIMIT_MSGQUEUE:
+ return RLIMIT_MSGQUEUE;
+ case TARGET_RLIMIT_NICE:
+ return RLIMIT_NICE;
+ case TARGET_RLIMIT_NOFILE:
+ return RLIMIT_NOFILE;
+ case TARGET_RLIMIT_NPROC:
+ return RLIMIT_NPROC;
+ case TARGET_RLIMIT_RSS:
+ return RLIMIT_RSS;
+ case TARGET_RLIMIT_RTPRIO:
+ return RLIMIT_RTPRIO;
+ case TARGET_RLIMIT_SIGPENDING:
+ return RLIMIT_SIGPENDING;
+ case TARGET_RLIMIT_STACK:
+ return RLIMIT_STACK;
+ default:
+ return code;
+ }
}
static inline abi_long copy_from_user_timeval(struct timeval *tv,
mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
if (len == sizeof(struct target_ip_mreqn))
- mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
+ mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
unlock_user(target_smreqn, target_addr, 0);
return 0;
struct target_cmsghdr *target_cmsg;
socklen_t space = 0;
- msg_controllen = tswapl(target_msgh->msg_controllen);
+ msg_controllen = tswapal(target_msgh->msg_controllen);
if (msg_controllen < sizeof (struct target_cmsghdr))
goto the_end;
- target_cmsg_addr = tswapl(target_msgh->msg_control);
+ target_cmsg_addr = tswapal(target_msgh->msg_control);
target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
if (!target_cmsg)
return -TARGET_EFAULT;
void *data = CMSG_DATA(cmsg);
void *target_data = TARGET_CMSG_DATA(target_cmsg);
- int len = tswapl(target_cmsg->cmsg_len)
+ int len = tswapal(target_cmsg->cmsg_len)
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
space += CMSG_SPACE(len);
struct target_cmsghdr *target_cmsg;
socklen_t space = 0;
- msg_controllen = tswapl(target_msgh->msg_controllen);
+ msg_controllen = tswapal(target_msgh->msg_controllen);
if (msg_controllen < sizeof (struct target_cmsghdr))
goto the_end;
- target_cmsg_addr = tswapl(target_msgh->msg_control);
+ target_cmsg_addr = tswapal(target_msgh->msg_control);
target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
if (!target_cmsg)
return -TARGET_EFAULT;
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
- target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
+ target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
}
unlock_user(target_cmsg, target_cmsg_addr, space);
the_end:
- target_msgh->msg_controllen = tswapl(space);
+ target_msgh->msg_controllen = tswapal(space);
return 0;
}
break;
default:
unimplemented:
- gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
+ gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
ret = -TARGET_ENOPROTOOPT;
}
return ret;
case TARGET_SO_LINGER:
case TARGET_SO_RCVTIMEO:
case TARGET_SO_SNDTIMEO:
- case TARGET_SO_PEERCRED:
case TARGET_SO_PEERNAME:
goto unimplemented;
+ case TARGET_SO_PEERCRED: {
+ struct ucred cr;
+ socklen_t crlen;
+ struct target_ucred *tcr;
+
+ if (get_user_u32(len, optlen)) {
+ return -TARGET_EFAULT;
+ }
+ if (len < 0) {
+ return -TARGET_EINVAL;
+ }
+
+ crlen = sizeof(cr);
+ ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
+ &cr, &crlen));
+ if (ret < 0) {
+ return ret;
+ }
+ if (len > crlen) {
+ len = crlen;
+ }
+ if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
+ return -TARGET_EFAULT;
+ }
+ __put_user(cr.pid, &tcr->pid);
+ __put_user(cr.uid, &tcr->uid);
+ __put_user(cr.gid, &tcr->gid);
+ unlock_user_struct(tcr, optval_addr, 1);
+ if (put_user_u32(len, optlen)) {
+ return -TARGET_EFAULT;
+ }
+ break;
+ }
/* Options with 'int' argument. */
case TARGET_SO_DEBUG:
optname = SO_DEBUG;
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);
+ base = tswapal(target_vec[i].iov_base);
+ vec[i].iov_len = tswapal(target_vec[i].iov_len);
if (vec[i].iov_len != 0) {
vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
/* Don't check lock_user return value. We must call writev even
return -TARGET_EFAULT;
for(i = 0;i < count; i++) {
if (target_vec[i].iov_base) {
- base = tswapl(target_vec[i].iov_base);
+ base = tswapal(target_vec[i].iov_base);
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
}
}
if (msgp->msg_name) {
msg.msg_namelen = tswap32(msgp->msg_namelen);
msg.msg_name = alloca(msg.msg_namelen);
- ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
+ ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
msg.msg_namelen);
if (ret) {
unlock_user_struct(msgp, target_msg, send ? 0 : 1);
msg.msg_name = NULL;
msg.msg_namelen = 0;
}
- msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
+ msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
msg.msg_control = alloca(msg.msg_controllen);
msg.msg_flags = tswap32(msgp->msg_flags);
- count = tswapl(msgp->msg_iovlen);
+ count = tswapal(msgp->msg_iovlen);
vec = alloca(count * sizeof(struct iovec));
- target_vec = tswapl(msgp->msg_iov);
+ target_vec = tswapal(msgp->msg_iov);
lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
msg.msg_iovlen = count;
msg.msg_iov = vec;
ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
} else {
addr = NULL; /* To keep compiler quiet. */
- ret = get_errno(recv(fd, host_msg, len, flags));
+ ret = get_errno(qemu_recv(fd, host_msg, len, flags));
}
if (!is_error(ret)) {
if (target_addr) {
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
return -TARGET_EFAULT;
target_ip = &(target_sd->sem_perm);
- host_ip->__key = tswapl(target_ip->__key);
- host_ip->uid = tswapl(target_ip->uid);
- host_ip->gid = tswapl(target_ip->gid);
- host_ip->cuid = tswapl(target_ip->cuid);
- host_ip->cgid = tswapl(target_ip->cgid);
- host_ip->mode = tswapl(target_ip->mode);
+ host_ip->__key = tswapal(target_ip->__key);
+ host_ip->uid = tswapal(target_ip->uid);
+ host_ip->gid = tswapal(target_ip->gid);
+ host_ip->cuid = tswapal(target_ip->cuid);
+ host_ip->cgid = tswapal(target_ip->cgid);
+ host_ip->mode = tswap16(target_ip->mode);
unlock_user_struct(target_sd, target_addr, 0);
return 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->gid = tswapl(host_ip->gid);
- target_ip->cuid = tswapl(host_ip->cuid);
- target_ip->cgid = tswapl(host_ip->cgid);
- target_ip->mode = tswapl(host_ip->mode);
+ target_ip->__key = tswapal(host_ip->__key);
+ target_ip->uid = tswapal(host_ip->uid);
+ target_ip->gid = tswapal(host_ip->gid);
+ target_ip->cuid = tswapal(host_ip->cuid);
+ target_ip->cgid = tswapal(host_ip->cgid);
+ target_ip->mode = tswap16(host_ip->mode);
unlock_user_struct(target_sd, target_addr, 1);
return 0;
}
return -TARGET_EFAULT;
if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
return -TARGET_EFAULT;
- 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);
+ host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
+ host_sd->sem_otime = tswapal(target_sd->sem_otime);
+ host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
unlock_user_struct(target_sd, target_addr, 0);
return 0;
}
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
return -TARGET_EFAULT;
if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
- return -TARGET_EFAULT;;
- 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);
+ return -TARGET_EFAULT;
+ target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
+ target_sd->sem_otime = tswapal(host_sd->sem_otime);
+ target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
unlock_user_struct(target_sd, target_addr, 1);
return 0;
}
switch( cmd ) {
case GETVAL:
case SETVAL:
- arg.val = tswapl(target_su.val);
+ arg.val = tswap32(target_su.val);
ret = get_errno(semctl(semid, semnum, cmd, arg));
- target_su.val = tswapl(arg.val);
+ target_su.val = tswap32(arg.val);
break;
case GETALL:
case SETALL:
return -TARGET_EFAULT;
if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
return -TARGET_EFAULT;
- host_md->msg_stime = tswapl(target_md->msg_stime);
- host_md->msg_rtime = tswapl(target_md->msg_rtime);
- host_md->msg_ctime = tswapl(target_md->msg_ctime);
- host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
- host_md->msg_qnum = tswapl(target_md->msg_qnum);
- host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
- host_md->msg_lspid = tswapl(target_md->msg_lspid);
- host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
+ host_md->msg_stime = tswapal(target_md->msg_stime);
+ host_md->msg_rtime = tswapal(target_md->msg_rtime);
+ host_md->msg_ctime = tswapal(target_md->msg_ctime);
+ host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
+ host_md->msg_qnum = tswapal(target_md->msg_qnum);
+ host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
+ host_md->msg_lspid = tswapal(target_md->msg_lspid);
+ host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
unlock_user_struct(target_md, target_addr, 0);
return 0;
}
return -TARGET_EFAULT;
if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
return -TARGET_EFAULT;
- target_md->msg_stime = tswapl(host_md->msg_stime);
- target_md->msg_rtime = tswapl(host_md->msg_rtime);
- target_md->msg_ctime = tswapl(host_md->msg_ctime);
- target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
- target_md->msg_qnum = tswapl(host_md->msg_qnum);
- target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
- target_md->msg_lspid = tswapl(host_md->msg_lspid);
- target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
+ target_md->msg_stime = tswapal(host_md->msg_stime);
+ target_md->msg_rtime = tswapal(host_md->msg_rtime);
+ target_md->msg_ctime = tswapal(host_md->msg_ctime);
+ target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
+ target_md->msg_qnum = tswapal(host_md->msg_qnum);
+ target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
+ target_md->msg_lspid = tswapal(host_md->msg_lspid);
+ target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
unlock_user_struct(target_md, target_addr, 1);
return 0;
}
if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
return -TARGET_EFAULT;
host_mb = malloc(msgsz+sizeof(long));
- host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
+ host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
memcpy(host_mb->mtext, target_mb->mtext, msgsz);
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
free(host_mb);
return -TARGET_EFAULT;
host_mb = malloc(msgsz+sizeof(long));
- ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
+ ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapal(msgtyp), msgflg));
if (ret > 0) {
abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
unlock_user(target_mtext, target_mtext_addr, ret);
}
- target_mb->mtype = tswapl(host_mb->mtype);
+ target_mb->mtype = tswapal(host_mb->mtype);
free(host_mb);
end:
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.base_addr = tswapal(target_ldt_info->base_addr);
ldt_info.limit = tswap32(target_ldt_info->limit);
ldt_info.flags = tswap32(target_ldt_info->flags);
unlock_user_struct(target_ldt_info, ptr, 0);
if (!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.base_addr = tswapal(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) {
base_addr = (entry_1 >> 16) |
(entry_2 & 0xff000000) |
((entry_2 & 0xff) << 16);
- target_ldt_info->base_addr = tswapl(base_addr);
+ target_ldt_info->base_addr = tswapal(base_addr);
target_ldt_info->limit = tswap32(limit);
target_ldt_info->flags = tswap32(flags);
unlock_user_struct(target_ldt_info, ptr, 1);
new_thread_info info;
pthread_attr_t attr;
#endif
- ts = qemu_mallocz(sizeof(TaskState));
+ ts = g_malloc0(sizeof(TaskState));
init_task_state(ts);
/* we create a new CPU instance. */
new_env = cpu_copy(env);
#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
- cpu_reset(new_env);
+ cpu_state_reset(new_env);
#endif
/* Init regs that differ from the parent. */
cpu_clone_regs(new_env, newsp);
if (flags & CLONE_NPTL_FLAGS2)
return -EINVAL;
/* This is probably going to die very quickly, but do it anyway. */
- new_stack = qemu_mallocz (NEW_STACK_SIZE);
+ new_stack = g_malloc0 (NEW_STACK_SIZE);
#ifdef __ia64__
ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
#else
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_start = tswapal(target_fl->l_start);
+ fl.l_len = tswapal(target_fl->l_len);
fl.l_pid = tswap32(target_fl->l_pid);
unlock_user_struct(target_fl, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl));
return -TARGET_EFAULT;
target_fl->l_type = tswap16(fl.l_type);
target_fl->l_whence = tswap16(fl.l_whence);
- target_fl->l_start = tswapl(fl.l_start);
- target_fl->l_len = tswapl(fl.l_len);
+ target_fl->l_start = tswapal(fl.l_start);
+ target_fl->l_len = tswapal(fl.l_len);
target_fl->l_pid = tswap32(fl.l_pid);
unlock_user_struct(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_start = tswapal(target_fl->l_start);
+ fl.l_len = tswapal(target_fl->l_len);
fl.l_pid = tswap32(target_fl->l_pid);
unlock_user_struct(target_fl, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl));
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_start = tswap64(target_fl64->l_start);
+ fl64.l_len = tswap64(target_fl64->l_len);
fl64.l_pid = tswap32(target_fl64->l_pid);
unlock_user_struct(target_fl64, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl64));
return -TARGET_EFAULT;
target_fl64->l_type = tswap16(fl64.l_type) >> 1;
target_fl64->l_whence = tswap16(fl64.l_whence);
- target_fl64->l_start = tswapl(fl64.l_start);
- target_fl64->l_len = tswapl(fl64.l_len);
+ target_fl64->l_start = tswap64(fl64.l_start);
+ target_fl64->l_len = tswap64(fl64.l_len);
target_fl64->l_pid = tswap32(fl64.l_pid);
unlock_user_struct(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_start = tswap64(target_fl64->l_start);
+ fl64.l_len = tswap64(target_fl64->l_len);
fl64.l_pid = tswap32(target_fl64->l_pid);
unlock_user_struct(target_fl64, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fl64));
abi_long arg3,
abi_long arg4)
{
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi)
- {
+ if (regpairs_aligned(cpu_env)) {
arg2 = arg3;
arg3 = arg4;
- }
-#endif
+ }
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
}
#endif
abi_long arg3,
abi_long arg4)
{
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi)
- {
+ if (regpairs_aligned(cpu_env)) {
arg2 = arg3;
arg3 = arg4;
- }
-#endif
+ }
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
}
#endif
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);
+ host_ts->tv_sec = tswapal(target_ts->tv_sec);
+ host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
unlock_user_struct(target_ts, target_addr, 0);
return 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);
+ target_ts->tv_sec = tswapal(host_ts->tv_sec);
+ target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
unlock_user_struct(target_ts, target_addr, 1);
return 0;
}
return osversion;
}
+
+static int open_self_maps(void *cpu_env, int fd)
+{
+ TaskState *ts = ((CPUState *)cpu_env)->opaque;
+
+ dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
+ (unsigned long long)ts->info->stack_limit,
+ (unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1))
+ & TARGET_PAGE_MASK,
+ (unsigned long long)ts->stack_base);
+
+ return 0;
+}
+
+static int open_self_stat(void *cpu_env, int fd)
+{
+ TaskState *ts = ((CPUState *)cpu_env)->opaque;
+ abi_ulong start_stack = ts->info->start_stack;
+ int i;
+
+ for (i = 0; i < 44; i++) {
+ char buf[128];
+ int len;
+ uint64_t val = 0;
+
+ if (i == 27) {
+ /* stack bottom */
+ val = start_stack;
+ }
+ snprintf(buf, sizeof(buf), "%"PRId64 "%c", val, i == 43 ? '\n' : ' ');
+ len = strlen(buf);
+ if (write(fd, buf, len) != len) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int open_self_auxv(void *cpu_env, int fd)
+{
+ TaskState *ts = ((CPUState *)cpu_env)->opaque;
+ abi_ulong auxv = ts->info->saved_auxv;
+ abi_ulong len = ts->info->auxv_len;
+ char *ptr;
+
+ /*
+ * Auxiliary vector is stored in target process stack.
+ * read in whole auxv vector and copy it to file
+ */
+ ptr = lock_user(VERIFY_READ, auxv, len, 0);
+ if (ptr != NULL) {
+ while (len > 0) {
+ ssize_t r;
+ r = write(fd, ptr, len);
+ if (r <= 0) {
+ break;
+ }
+ len -= r;
+ ptr += r;
+ }
+ lseek(fd, 0, SEEK_SET);
+ unlock_user(ptr, auxv, len);
+ }
+
+ return 0;
+}
+
+static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
+{
+ struct fake_open {
+ const char *filename;
+ int (*fill)(void *cpu_env, int fd);
+ };
+ const struct fake_open *fake_open;
+ static const struct fake_open fakes[] = {
+ { "/proc/self/maps", open_self_maps },
+ { "/proc/self/stat", open_self_stat },
+ { "/proc/self/auxv", open_self_auxv },
+ { NULL, NULL }
+ };
+
+ for (fake_open = fakes; fake_open->filename; fake_open++) {
+ if (!strncmp(pathname, fake_open->filename,
+ strlen(fake_open->filename))) {
+ break;
+ }
+ }
+
+ if (fake_open->filename) {
+ const char *tmpdir;
+ char filename[PATH_MAX];
+ int fd, r;
+
+ /* create temporary file to map stat to */
+ tmpdir = getenv("TMPDIR");
+ if (!tmpdir)
+ tmpdir = "/tmp";
+ snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
+ fd = mkstemp(filename);
+ if (fd < 0) {
+ return fd;
+ }
+ unlink(filename);
+
+ if ((r = fake_open->fill(cpu_env, fd))) {
+ close(fd);
+ return r;
+ }
+ lseek(fd, 0, SEEK_SET);
+
+ return fd;
+ }
+
+ return get_errno(open(path(pathname), flags, mode));
+}
+
/* 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>. */
NULL, NULL, 0);
}
thread_env = NULL;
- qemu_free(cpu_env);
- qemu_free(ts);
+ g_free(cpu_env);
+ g_free(ts);
pthread_exit(NULL);
}
#endif
case TARGET_NR_open:
if (!(p = lock_user_string(arg1)))
goto efault;
- ret = get_errno(open(path(p),
- target_to_host_bitmask(arg2, fcntl_flags_tbl),
- arg3));
+ ret = get_errno(do_open(cpu_env, p,
+ target_to_host_bitmask(arg2, fcntl_flags_tbl),
+ arg3));
unlock_user(p, arg1, 0);
break;
#if defined(TARGET_NR_openat) && defined(__NR_openat)
{
int status;
ret = get_errno(waitpid(arg1, &status, arg3));
- if (!is_error(ret) && arg2
+ if (!is_error(ret) && arg2 && ret
&& put_user_s32(host_to_target_waitstatus(status), arg2))
goto efault;
}
abi_ulong guest_envp;
abi_ulong addr;
char **q;
+ int total_size = 0;
argc = 0;
guest_argp = arg2;
break;
if (!(*q = lock_user_string(addr)))
goto execve_efault;
+ total_size += strlen(*q) + 1;
}
*q = NULL;
break;
if (!(*q = lock_user_string(addr)))
goto execve_efault;
+ total_size += strlen(*q) + 1;
}
*q = NULL;
+ /* This case will not be caught by the host's execve() if its
+ page size is bigger than the target's. */
+ if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
+ ret = -TARGET_E2BIG;
+ goto execve_end;
+ }
if (!(p = lock_user_string(arg1)))
goto execve_efault;
ret = get_errno(execve(p, argp, envp));
if (arg2) {
if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
goto efault;
- tbuf.actime = tswapl(target_tbuf->actime);
- tbuf.modtime = tswapl(target_tbuf->modtime);
+ tbuf.actime = tswapal(target_tbuf->actime);
+ tbuf.modtime = tswapal(target_tbuf->modtime);
unlock_user_struct(target_tbuf, arg2, 0);
host_tbuf = &tbuf;
} else {
tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
if (!tmsp)
goto efault;
- tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
- tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
- tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
- tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
+ tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
+ tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
+ tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
+ tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
}
if (!is_error(ret))
ret = host_to_target_clock_t(ret);
break;
case TARGET_NR_setrlimit:
{
- int resource = arg1;
+ int resource = target_to_host_resource(arg1);
struct target_rlimit *target_rlim;
struct rlimit rlim;
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
break;
case TARGET_NR_getrlimit:
{
- int resource = arg1;
+ int resource = target_to_host_resource(arg1);
struct target_rlimit *target_rlim;
struct rlimit rlim;
if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
goto efault;
- nsel = tswapl(sel->n);
- inp = tswapl(sel->inp);
- outp = tswapl(sel->outp);
- exp = tswapl(sel->exp);
- tvp = tswapl(sel->tvp);
+ nsel = tswapal(sel->n);
+ inp = tswapal(sel->inp);
+ outp = tswapal(sel->outp);
+ exp = tswapal(sel->exp);
+ tvp = tswapal(sel->tvp);
unlock_user_struct(sel, arg1, 0);
ret = do_select(nsel, inp, outp, exp, tvp);
}
if (!arg7) {
goto efault;
}
- arg_sigset = tswapl(arg7[0]);
- arg_sigsize = tswapl(arg7[1]);
+ arg_sigset = tswapal(arg7[0]);
+ arg_sigsize = tswapal(arg7[1]);
unlock_user(arg7, arg6, 0);
if (arg_sigset) {
break;
#endif
case TARGET_NR_reboot:
- goto unimplemented;
+ if (!(p = lock_user_string(arg4)))
+ goto efault;
+ ret = reboot(arg1, arg2, arg3, p);
+ unlock_user(p, arg4, 0);
+ break;
#ifdef TARGET_NR_readdir
case TARGET_NR_readdir:
goto unimplemented;
abi_ulong v1, v2, v3, v4, v5, v6;
if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
goto efault;
- v1 = tswapl(v[0]);
- v2 = tswapl(v[1]);
- v3 = tswapl(v[2]);
- v4 = tswapl(v[3]);
- v5 = tswapl(v[4]);
- v6 = tswapl(v[5]);
+ v1 = tswapal(v[0]);
+ v2 = tswapal(v[1]);
+ v3 = tswapal(v[2]);
+ v4 = tswapal(v[3]);
+ v5 = tswapal(v[4]);
+ v6 = tswapal(v[5]);
unlock_user(v, arg1, 0);
ret = get_errno(target_mmap(v1, v2, v3,
target_to_host_bitmask(v4, mmap_flags_tbl),
rusage_ptr = NULL;
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
if (!is_error(ret)) {
- if (status_ptr) {
+ if (status_ptr && ret) {
status = host_to_target_waitstatus(status);
if (put_user_s32(status, status_ptr))
goto efault;
reclen = de->d_reclen;
treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
tde->d_reclen = tswap16(treclen);
- tde->d_ino = tswapl(de->d_ino);
- tde->d_off = tswapl(de->d_off);
+ tde->d_ino = tswapal(de->d_ino);
+ tde->d_off = tswapal(de->d_off);
tnamelen = treclen - (2 * sizeof(abi_long) + 2);
if (tnamelen > 256)
tnamelen = 256;
#endif
#ifdef TARGET_NR_pread
case TARGET_NR_pread:
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi)
+ if (regpairs_aligned(cpu_env))
arg4 = arg5;
-#endif
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
goto efault;
ret = get_errno(pread(arg1, p, arg3, arg4));
unlock_user(p, arg2, ret);
break;
case TARGET_NR_pwrite:
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi)
+ if (regpairs_aligned(cpu_env))
arg4 = arg5;
-#endif
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
goto efault;
ret = get_errno(pwrite(arg1, p, arg3, arg4));
case TARGET_NR_ugetrlimit:
{
struct rlimit rlim;
- ret = get_errno(getrlimit(arg1, &rlim));
+ int resource = target_to_host_resource(arg1);
+ ret = get_errno(getrlimit(resource, &rlim));
if (!is_error(ret)) {
struct target_rlimit *target_rlim;
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
#endif
cmd = target_to_host_fcntl_cmd(arg2);
- if (cmd == -TARGET_EINVAL)
- return cmd;
+ if (cmd == -TARGET_EINVAL) {
+ ret = cmd;
+ break;
+ }
switch(arg2) {
case TARGET_F_GETLK64:
#ifdef TARGET_NR_readahead
case TARGET_NR_readahead:
#if TARGET_ABI_BITS == 32
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi)
- {
+ if (regpairs_aligned(cpu_env)) {
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 CONFIG_ATTR
#ifdef TARGET_NR_setxattr
+ case TARGET_NR_listxattr:
+ case TARGET_NR_llistxattr:
+ {
+ void *p, *b = 0;
+ if (arg2) {
+ b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
+ if (!b) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ p = lock_user_string(arg1);
+ if (p) {
+ if (num == TARGET_NR_listxattr) {
+ ret = get_errno(listxattr(p, b, arg3));
+ } else {
+ ret = get_errno(llistxattr(p, b, arg3));
+ }
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(p, arg1, 0);
+ unlock_user(b, arg2, arg3);
+ break;
+ }
+ case TARGET_NR_flistxattr:
+ {
+ void *b = 0;
+ if (arg2) {
+ b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
+ if (!b) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ ret = get_errno(flistxattr(arg1, b, arg3));
+ unlock_user(b, arg2, arg3);
+ break;
+ }
case TARGET_NR_setxattr:
case TARGET_NR_lsetxattr:
+ {
+ void *p, *n, *v = 0;
+ if (arg3) {
+ v = lock_user(VERIFY_READ, arg3, arg4, 1);
+ if (!v) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ p = lock_user_string(arg1);
+ n = lock_user_string(arg2);
+ if (p && n) {
+ if (num == TARGET_NR_setxattr) {
+ ret = get_errno(setxattr(p, n, v, arg4, arg5));
+ } else {
+ ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
+ }
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(p, arg1, 0);
+ unlock_user(n, arg2, 0);
+ unlock_user(v, arg3, 0);
+ }
+ break;
case TARGET_NR_fsetxattr:
+ {
+ void *n, *v = 0;
+ if (arg3) {
+ v = lock_user(VERIFY_READ, arg3, arg4, 1);
+ if (!v) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ n = lock_user_string(arg2);
+ if (n) {
+ ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(n, arg2, 0);
+ unlock_user(v, arg3, 0);
+ }
+ break;
case TARGET_NR_getxattr:
case TARGET_NR_lgetxattr:
+ {
+ void *p, *n, *v = 0;
+ if (arg3) {
+ v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
+ if (!v) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ p = lock_user_string(arg1);
+ n = lock_user_string(arg2);
+ if (p && n) {
+ if (num == TARGET_NR_getxattr) {
+ ret = get_errno(getxattr(p, n, v, arg4));
+ } else {
+ ret = get_errno(lgetxattr(p, n, v, arg4));
+ }
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(p, arg1, 0);
+ unlock_user(n, arg2, 0);
+ unlock_user(v, arg3, arg4);
+ }
+ break;
case TARGET_NR_fgetxattr:
- case TARGET_NR_listxattr:
- case TARGET_NR_llistxattr:
- case TARGET_NR_flistxattr:
+ {
+ void *n, *v = 0;
+ if (arg3) {
+ v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
+ if (!v) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ n = lock_user_string(arg2);
+ if (n) {
+ ret = get_errno(fgetxattr(arg1, n, v, arg4));
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(n, arg2, 0);
+ unlock_user(v, arg3, arg4);
+ }
+ break;
case TARGET_NR_removexattr:
case TARGET_NR_lremovexattr:
+ {
+ void *p, *n;
+ p = lock_user_string(arg1);
+ n = lock_user_string(arg2);
+ if (p && n) {
+ if (num == TARGET_NR_removexattr) {
+ ret = get_errno(removexattr(p, n));
+ } else {
+ ret = get_errno(lremovexattr(p, n));
+ }
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(p, arg1, 0);
+ unlock_user(n, arg2, 0);
+ }
+ break;
case TARGET_NR_fremovexattr:
- ret = -TARGET_EOPNOTSUPP;
+ {
+ void *n;
+ n = lock_user_string(arg2);
+ if (n) {
+ ret = get_errno(fremovexattr(arg1, n));
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(n, arg2, 0);
+ }
break;
#endif
+#endif /* CONFIG_ATTR */
#ifdef TARGET_NR_set_thread_area
case TARGET_NR_set_thread_area:
#if defined(TARGET_MIPS)
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