netbsd32_lwp.c revision 1.18.4.1
1 /* $NetBSD: netbsd32_lwp.c,v 1.18.4.1 2017/04/21 16:53:43 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 2005, 2006, 2007 The NetBSD Foundation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_lwp.c,v 1.18.4.1 2017/04/21 16:53:43 bouyer Exp $"); 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/dirent.h> 37 #include <sys/mount.h> 38 #include <sys/proc.h> 39 #include <sys/syscallargs.h> 40 #include <sys/lwpctl.h> 41 42 #include <compat/netbsd32/netbsd32.h> 43 #include <compat/netbsd32/netbsd32_syscallargs.h> 44 #include <compat/netbsd32/netbsd32_conv.h> 45 46 /* Sycalls conversion */ 47 48 int 49 netbsd32__lwp_create(struct lwp *l, const struct netbsd32__lwp_create_args *uap, register_t *retval) 50 { 51 /* { 52 syscallarg(const netbsd32_ucontextp) ucp; 53 syscallarg(netbsd32_u_long) flags; 54 syscallarg(netbsd32_lwpidp) new_lwp; 55 } */ 56 struct proc *p = l->l_proc; 57 ucontext32_t *newuc = NULL; 58 lwpid_t lid; 59 int error; 60 61 KASSERT(p->p_emul->e_ucsize == sizeof(*newuc)); 62 63 newuc = kmem_alloc(sizeof(ucontext_t), KM_SLEEP); 64 error = copyin(SCARG_P32(uap, ucp), newuc, p->p_emul->e_ucsize); 65 if (error) 66 goto fail; 67 68 /* validate the ucontext */ 69 if ((newuc->uc_flags & _UC_CPU) == 0) { 70 error = EINVAL; 71 goto fail; 72 } 73 error = cpu_mcontext32_validate(l, &newuc->uc_mcontext); 74 if (error) 75 goto fail; 76 77 const sigset_t *sigmask = newuc->uc_flags & _UC_SIGMASK ? 78 &newuc->uc_sigmask : &l->l_sigmask; 79 80 error = do_lwp_create(l, newuc, SCARG(uap, flags), &lid, sigmask, 81 &SS_INIT); 82 if (error) 83 goto fail; 84 85 /* 86 * do not free ucontext in case of an error here, 87 * the lwp will actually run and access it 88 */ 89 return copyout(&lid, SCARG_P32(uap, new_lwp), sizeof(lid)); 90 91 fail: 92 kmem_free(newuc, sizeof(ucontext_t)); 93 return error; 94 } 95 96 int 97 netbsd32__lwp_wait(struct lwp *l, const struct netbsd32__lwp_wait_args *uap, register_t *retval) 98 { 99 /* { 100 syscallarg(lwpid_t) wait_for; 101 syscallarg(netbsd32_lwpidp) departed; 102 } */ 103 struct sys__lwp_wait_args ua; 104 105 NETBSD32TO64_UAP(wait_for); 106 NETBSD32TOP_UAP(departed, lwpid_t); 107 return sys__lwp_wait(l, &ua, retval); 108 } 109 110 int 111 netbsd32__lwp_suspend(struct lwp *l, const struct netbsd32__lwp_suspend_args *uap, register_t *retval) 112 { 113 /* { 114 syscallarg(lwpid_t) target; 115 } */ 116 struct sys__lwp_suspend_args ua; 117 118 NETBSD32TO64_UAP(target); 119 return sys__lwp_suspend(l, &ua, retval); 120 } 121 122 int 123 netbsd32__lwp_continue(struct lwp *l, const struct netbsd32__lwp_continue_args *uap, register_t *retval) 124 { 125 /* { 126 syscallarg(lwpid_t) target; 127 } */ 128 struct sys__lwp_continue_args ua; 129 130 NETBSD32TO64_UAP(target); 131 return sys__lwp_continue(l, &ua, retval); 132 } 133 134 int 135 netbsd32__lwp_wakeup(struct lwp *l, const struct netbsd32__lwp_wakeup_args *uap, register_t *retval) 136 { 137 /* { 138 syscallarg(lwpid_t) target; 139 } */ 140 struct sys__lwp_wakeup_args ua; 141 142 NETBSD32TO64_UAP(target); 143 return sys__lwp_wakeup(l, &ua, retval); 144 } 145 146 int 147 netbsd32__lwp_setprivate(struct lwp *l, const struct netbsd32__lwp_setprivate_args *uap, register_t *retval) 148 { 149 /* { 150 syscallarg(netbsd32_voidp) ptr; 151 } */ 152 struct sys__lwp_setprivate_args ua; 153 154 NETBSD32TOP_UAP(ptr, void); 155 return sys__lwp_setprivate(l, &ua, retval); 156 } 157 158 int 159 netbsd32____lwp_park60(struct lwp *l, 160 const struct netbsd32____lwp_park60_args *uap, register_t *retval) 161 { 162 /* { 163 syscallarg(const netbsd32_clockid_t) clock_id; 164 syscallarg(int) flags; 165 syscallarg(const netbsd32_timespec50p) ts; 166 syscallarg(netbsd32_lwpid_t) unpark; 167 syscallarg(netbsd32_voidp) hint; 168 syscallarg(netbsd32_voidp) unparkhint; 169 } */ 170 struct timespec ts, *tsp; 171 struct netbsd32_timespec ts32; 172 int error; 173 174 if (SCARG_P32(uap, ts) == NULL) 175 tsp = NULL; 176 else { 177 error = copyin(SCARG_P32(uap, ts), &ts32, sizeof ts32); 178 if (error != 0) 179 return error; 180 netbsd32_to_timespec(&ts32, &ts); 181 tsp = &ts; 182 } 183 184 if (SCARG(uap, unpark) != 0) { 185 error = lwp_unpark(SCARG(uap, unpark), 186 SCARG_P32(uap, unparkhint)); 187 if (error != 0) 188 return error; 189 } 190 191 return lwp_park(SCARG(uap, clock_id), SCARG(uap, flags), tsp, 192 SCARG_P32(uap, hint)); 193 } 194 195 int 196 netbsd32__lwp_kill(struct lwp *l, const struct netbsd32__lwp_kill_args *uap, register_t *retval) 197 { 198 /* { 199 syscallarg(lwpid_t) target; 200 syscallarg(int) signo; 201 } */ 202 struct sys__lwp_kill_args ua; 203 204 NETBSD32TO64_UAP(target); 205 NETBSD32TO64_UAP(signo); 206 return sys__lwp_kill(l, &ua, retval); 207 } 208 int 209 netbsd32__lwp_detach(struct lwp *l, const struct netbsd32__lwp_detach_args *uap, register_t *retval) 210 { 211 /* { 212 syscallarg(lwpid_t) target; 213 } */ 214 struct sys__lwp_detach_args ua; 215 216 NETBSD32TO64_UAP(target); 217 return sys__lwp_detach(l, &ua, retval); 218 } 219 220 int 221 netbsd32__lwp_unpark(struct lwp *l, const struct netbsd32__lwp_unpark_args *uap, register_t *retval) 222 { 223 /* { 224 syscallarg(lwpid_t) target; 225 syscallarg(netbsd32_voidp) hint; 226 } */ 227 struct sys__lwp_unpark_args ua; 228 229 NETBSD32TO64_UAP(target); 230 NETBSD32TOP_UAP(hint, void); 231 return sys__lwp_unpark(l, &ua, retval); 232 } 233 234 int 235 netbsd32__lwp_unpark_all(struct lwp *l, const struct netbsd32__lwp_unpark_all_args *uap, register_t *retval) 236 { 237 /* { 238 syscallarg(const netbsd32_lwpidp) targets; 239 syscallarg(netbsd32_size_t) ntargets; 240 syscallarg(netbsd32_voidp) hint; 241 } */ 242 struct sys__lwp_unpark_all_args ua; 243 244 NETBSD32TOP_UAP(targets, const lwpid_t); 245 NETBSD32TOX_UAP(ntargets, size_t); 246 NETBSD32TOP_UAP(hint, void); 247 return sys__lwp_unpark_all(l, &ua, retval); 248 } 249 250 int 251 netbsd32__lwp_setname(struct lwp *l, const struct netbsd32__lwp_setname_args *uap, register_t *retval) 252 { 253 /* { 254 syscallarg(lwpid_t) target; 255 syscallarg(const netbsd32_charp) name; 256 } */ 257 struct sys__lwp_setname_args ua; 258 259 NETBSD32TO64_UAP(target); 260 NETBSD32TOP_UAP(name, char *); 261 return sys__lwp_setname(l, &ua, retval); 262 } 263 264 int 265 netbsd32__lwp_getname(struct lwp *l, const struct netbsd32__lwp_getname_args *uap, register_t *retval) 266 { 267 /* { 268 syscallarg(lwpid_t) target; 269 syscallarg(netbsd32_charp) name; 270 syscallarg(netbsd32_size_t) len; 271 } */ 272 struct sys__lwp_getname_args ua; 273 274 NETBSD32TO64_UAP(target); 275 NETBSD32TOP_UAP(name, char *); 276 NETBSD32TOX_UAP(len, size_t); 277 return sys__lwp_getname(l, &ua, retval); 278 } 279 280 int 281 netbsd32__lwp_ctl(struct lwp *l, const struct netbsd32__lwp_ctl_args *uap, register_t *retval) 282 { 283 /* { 284 syscallarg(int) features; 285 syscallarg(netbsd32_pointer_t) address; 286 } */ 287 netbsd32_pointer_t vaddr32; 288 int error, features; 289 vaddr_t vaddr; 290 291 features = SCARG(uap, features); 292 features &= ~(LWPCTL_FEATURE_CURCPU | LWPCTL_FEATURE_PCTR); 293 if (features != 0) 294 return ENODEV; 295 if ((error = lwp_ctl_alloc(&vaddr)) != 0) 296 return error; 297 NETBSD32PTR32(vaddr32, (void *)vaddr); 298 return copyout(&vaddr32, SCARG_P32(uap, address), sizeof(vaddr32)); 299 } 300
Indexes created Fri Sep 26 20:09:58 GMT 2025