static void xtensa_overflow4(CPUXtensaState *env)
{
put_user_ual(env->regs[0], env->regs[5] - 16);
put_user_ual(env->regs[1], env->regs[5] - 12);
put_user_ual(env->regs[2], env->regs[5] - 8);
put_user_ual(env->regs[3], env->regs[5] - 4);
xtensa_rfwo(env);
}
/* XXX this needs to be emulated on non-FreeBSD hosts... */
static abi_long do_freebsd_sysctl(abi_ulong namep, int32_t namelen, abi_ulong oldp,
abi_ulong oldlenp, abi_ulong newp, abi_ulong newlen)
{
abi_long ret;
void *hnamep, *holdp, *hnewp = NULL;
size_t holdlen;
abi_ulong oldlen = 0;
int32_t *snamep = g_malloc(sizeof(int32_t) * namelen), *p, *q, i;
uint32_t kind = 0;
if (oldlenp)
get_user_ual(oldlen, oldlenp);
if (!(hnamep = lock_user(VERIFY_READ, namep, namelen, 1)))
return -TARGET_EFAULT;
if (newp && !(hnewp = lock_user(VERIFY_READ, newp, newlen, 1)))
return -TARGET_EFAULT;
if (!(holdp = lock_user(VERIFY_WRITE, oldp, oldlen, 0)))
return -TARGET_EFAULT;
holdlen = oldlen;
for (p = hnamep, q = snamep, i = 0; i < namelen; p++, i++)
*q++ = tswap32(*p);
oidfmt(snamep, namelen, NULL, &kind);
/* XXX swap hnewp */
ret = get_errno(sysctl(snamep, namelen, holdp, &holdlen, hnewp, newlen));
if (!ret)
sysctl_oldcvt(holdp, holdlen, kind);
put_user_ual(holdlen, oldlenp);
unlock_user(hnamep, namep, 0);
unlock_user(holdp, oldp, holdlen);
if (hnewp)
unlock_user(hnewp, newp, 0);
g_free(snamep);
return ret;
}
static void xtensa_overflow8(CPUXtensaState *env)
{
put_user_ual(env->regs[0], env->regs[9] - 16);
get_user_ual(env->regs[0], env->regs[1] - 12);
put_user_ual(env->regs[1], env->regs[9] - 12);
put_user_ual(env->regs[2], env->regs[9] - 8);
put_user_ual(env->regs[3], env->regs[9] - 4);
put_user_ual(env->regs[4], env->regs[0] - 32);
put_user_ual(env->regs[5], env->regs[0] - 28);
put_user_ual(env->regs[6], env->regs[0] - 24);
put_user_ual(env->regs[7], env->regs[0] - 20);
xtensa_rfwo(env);
}
/* Construct the envp and argv tables on the target stack. */
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
abi_ulong stringp, int push_ptr)
{
CPUArchState *env = thread_cpu->env_ptr;
TaskState *ts = (TaskState *)env->opaque;
int n = sizeof(abi_ulong);
abi_ulong envp;
abi_ulong argv;
sp -= (envc + 1) * n;
envp = sp;
sp -= (argc + 1) * n;
argv = sp;
if (push_ptr) {
/* FIXME - handle put_user() failures */
sp -= n;
put_user_ual(envp, sp);
sp -= n;
put_user_ual(argv, sp);
}
sp -= n;
/* FIXME - handle put_user() failures */
put_user_ual(argc, sp);
#ifdef CONFIG_QTRACE_TAINT
qtrace_taint_memory(env, sp, sizeof(target_ulong),
QTRACE_TAINT_LABEL_ARG);
#endif
ts->info->arg_start = stringp;
while (argc-- > 0) {
/* FIXME - handle put_user() failures */
put_user_ual(stringp, argv);
#ifdef CONFIG_QTRACE_TAINT
qtrace_taint_memory(env, argv, target_strlen(stringp),
QTRACE_TAINT_LABEL_ARG);
#endif
argv += n;
stringp += target_strlen(stringp) + 1;
}
ts->info->arg_end = stringp;
/* FIXME - handle put_user() failures */
put_user_ual(0, argv);
while (envc-- > 0) {
/* FIXME - handle put_user() failures */
put_user_ual(stringp, envp);
#ifdef CONFIG_QTRACE_TAINT
qtrace_taint_memory(env, envp, target_strlen(stringp),
QTRACE_TAINT_LABEL_ENV);
#endif
envp += n;
stringp += target_strlen(stringp) + 1;
}
/* FIXME - handle put_user() failures */
put_user_ual(0, envp);
return sp;
}
/* Construct the envp and argv tables on the target stack. */
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
abi_ulong stringp, int push_ptr)
{
TaskState *ts = (TaskState *)thread_cpu->opaque;
int n = sizeof(abi_ulong);
abi_ulong envp;
abi_ulong argv;
sp -= (envc + 1) * n;
envp = sp;
sp -= (argc + 1) * n;
argv = sp;
if (push_ptr) {
/* FIXME - handle put_user() failures */
sp -= n;
put_user_ual(envp, sp);
sp -= n;
put_user_ual(argv, sp);
}
sp -= n;
/* FIXME - handle put_user() failures */
put_user_ual(argc, sp);
ts->info->arg_start = stringp;
while (argc-- > 0) {
/* FIXME - handle put_user() failures */
put_user_ual(stringp, argv);
argv += n;
stringp += target_strlen(stringp) + 1;
}
ts->info->arg_end = stringp;
/* FIXME - handle put_user() failures */
put_user_ual(0, argv);
while (envc-- > 0) {
/* FIXME - handle put_user() failures */
put_user_ual(stringp, envp);
envp += n;
stringp += target_strlen(stringp) + 1;
}
/* FIXME - handle put_user() failures */
put_user_ual(0, envp);
return sp;
}
/* Construct the envp and argv tables on the target stack. */
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
abi_ulong stringp, int push_ptr)
{
int n = sizeof(abi_ulong);
abi_ulong envp;
abi_ulong argv;
sp -= (envc + 1) * n;
envp = sp;
sp -= (argc + 1) * n;
argv = sp;
if (push_ptr) {
/* FIXME - handle put_user() failures */
sp -= n;
put_user_ual(envp, sp);
sp -= n;
put_user_ual(argv, sp);
}
sp -= n;
/* FIXME - handle put_user() failures */
put_user_ual(argc, sp);
while (argc-- > 0) {
/* FIXME - handle put_user() failures */
put_user_ual(stringp, argv);
argv += n;
stringp += target_strlen(stringp) + 1;
}
/* FIXME - handle put_user() failures */
put_user_ual(0, argv);
while (envc-- > 0) {
/* FIXME - handle put_user() failures */
put_user_ual(stringp, envp);
envp += n;
stringp += target_strlen(stringp) + 1;
}
/* FIXME - handle put_user() failures */
put_user_ual(0, envp);
return sp;
}
