freebsd32_misc.c revision 217151
1100384Speter/*- 2100384Speter * Copyright (c) 2002 Doug Rabson 3100384Speter * All rights reserved. 4100384Speter * 5100384Speter * Redistribution and use in source and binary forms, with or without 6100384Speter * modification, are permitted provided that the following conditions 7100384Speter * are met: 8100384Speter * 1. Redistributions of source code must retain the above copyright 9100384Speter * notice, this list of conditions and the following disclaimer. 10100384Speter * 2. Redistributions in binary form must reproduce the above copyright 11100384Speter * notice, this list of conditions and the following disclaimer in the 12100384Speter * documentation and/or other materials provided with the distribution. 13100384Speter * 14100384Speter * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15100384Speter * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16100384Speter * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17100384Speter * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18100384Speter * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19100384Speter * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20100384Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21100384Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22100384Speter * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23100384Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24100384Speter * SUCH DAMAGE. 25100384Speter */ 26100384Speter 27118031Sobrien#include <sys/cdefs.h> 28118031Sobrien__FBSDID("$FreeBSD: head/sys/compat/freebsd32/freebsd32_misc.c 217151 2011-01-08 16:13:44Z kib $"); 29118031Sobrien 30104738Speter#include "opt_compat.h" 31191673Sjamie#include "opt_inet.h" 32191673Sjamie#include "opt_inet6.h" 33104738Speter 34205014Snwhitehorn#define __ELF_WORD_SIZE 32 35205014Snwhitehorn 36100384Speter#include <sys/param.h> 37100384Speter#include <sys/bus.h> 38162954Sphk#include <sys/clock.h> 39100384Speter#include <sys/exec.h> 40100384Speter#include <sys/fcntl.h> 41100384Speter#include <sys/filedesc.h> 42100384Speter#include <sys/imgact.h> 43185435Sbz#include <sys/jail.h> 44100384Speter#include <sys/kernel.h> 45161343Sjkim#include <sys/limits.h> 46100384Speter#include <sys/lock.h> 47100384Speter#include <sys/malloc.h> 48100384Speter#include <sys/file.h> /* Must come after sys/malloc.h */ 49205014Snwhitehorn#include <sys/imgact.h> 50151909Sps#include <sys/mbuf.h> 51100384Speter#include <sys/mman.h> 52100384Speter#include <sys/module.h> 53100384Speter#include <sys/mount.h> 54100384Speter#include <sys/mutex.h> 55183044Sobrien#include <sys/namei.h> 56100384Speter#include <sys/proc.h> 57100384Speter#include <sys/reboot.h> 58100384Speter#include <sys/resource.h> 59100384Speter#include <sys/resourcevar.h> 60100384Speter#include <sys/selinfo.h> 61146950Sps#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 62100384Speter#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 63100384Speter#include <sys/signal.h> 64100384Speter#include <sys/signalvar.h> 65100384Speter#include <sys/socket.h> 66100384Speter#include <sys/socketvar.h> 67100384Speter#include <sys/stat.h> 68150883Sjhb#include <sys/syscall.h> 69113859Sjhb#include <sys/syscallsubr.h> 70100384Speter#include <sys/sysctl.h> 71100384Speter#include <sys/sysent.h> 72100384Speter#include <sys/sysproto.h> 73183044Sobrien#include <sys/systm.h> 74162551Sdavidxu#include <sys/thr.h> 75100384Speter#include <sys/unistd.h> 76162551Sdavidxu#include <sys/ucontext.h> 77100384Speter#include <sys/vnode.h> 78127140Sjhb#include <sys/wait.h> 79157285Sps#include <sys/ipc.h> 80174381Sjhb#include <sys/msg.h> 81174381Sjhb#include <sys/sem.h> 82157285Sps#include <sys/shm.h> 83100384Speter 84191673Sjamie#ifdef INET 85191673Sjamie#include <netinet/in.h> 86191673Sjamie#endif 87191673Sjamie 88100384Speter#include <vm/vm.h> 89100384Speter#include <vm/vm_param.h> 90100384Speter#include <vm/pmap.h> 91100384Speter#include <vm/vm_map.h> 92100384Speter#include <vm/vm_object.h> 93100384Speter#include <vm/vm_extern.h> 94100384Speter 95151582Sps#include <machine/cpu.h> 96205014Snwhitehorn#include <machine/elf.h> 97151582Sps 98183188Sobrien#include <security/audit/audit.h> 99183188Sobrien 100119333Speter#include <compat/freebsd32/freebsd32_util.h> 101119333Speter#include <compat/freebsd32/freebsd32.h> 102174380Sjhb#include <compat/freebsd32/freebsd32_ipc.h> 103163018Sdavidxu#include <compat/freebsd32/freebsd32_signal.h> 104119333Speter#include <compat/freebsd32/freebsd32_proto.h> 105100384Speter 106121719SpeterCTASSERT(sizeof(struct timeval32) == 8); 107121719SpeterCTASSERT(sizeof(struct timespec32) == 8); 108174377SjhbCTASSERT(sizeof(struct itimerval32) == 16); 109121719SpeterCTASSERT(sizeof(struct statfs32) == 256); 110121719SpeterCTASSERT(sizeof(struct rusage32) == 72); 111174377SjhbCTASSERT(sizeof(struct sigaltstack32) == 12); 112174377SjhbCTASSERT(sizeof(struct kevent32) == 20); 113174377SjhbCTASSERT(sizeof(struct iovec32) == 8); 114174377SjhbCTASSERT(sizeof(struct msghdr32) == 28); 115174377SjhbCTASSERT(sizeof(struct stat32) == 96); 116174377SjhbCTASSERT(sizeof(struct sigaction32) == 24); 117121719Speter 118174377Sjhbstatic int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 119174377Sjhbstatic int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 120174377Sjhb 121205014Snwhitehorn#if BYTE_ORDER == BIG_ENDIAN 122205014Snwhitehorn#define PAIR32TO64(type, name) ((name ## 2) | ((type)(name ## 1) << 32)) 123205014Snwhitehorn#define RETVAL_HI 0 124205014Snwhitehorn#define RETVAL_LO 1 125205014Snwhitehorn#else 126205014Snwhitehorn#define PAIR32TO64(type, name) ((name ## 1) | ((type)(name ## 2) << 32)) 127205014Snwhitehorn#define RETVAL_HI 1 128205014Snwhitehorn#define RETVAL_LO 0 129205014Snwhitehorn#endif 130205014Snwhitehorn 131207007Skibvoid 132207007Skibfreebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 133207007Skib{ 134207007Skib 135207007Skib TV_CP(*s, *s32, ru_utime); 136207007Skib TV_CP(*s, *s32, ru_stime); 137207007Skib CP(*s, *s32, ru_maxrss); 138207007Skib CP(*s, *s32, ru_ixrss); 139207007Skib CP(*s, *s32, ru_idrss); 140207007Skib CP(*s, *s32, ru_isrss); 141207007Skib CP(*s, *s32, ru_minflt); 142207007Skib CP(*s, *s32, ru_majflt); 143207007Skib CP(*s, *s32, ru_nswap); 144207007Skib CP(*s, *s32, ru_inblock); 145207007Skib CP(*s, *s32, ru_oublock); 146207007Skib CP(*s, *s32, ru_msgsnd); 147207007Skib CP(*s, *s32, ru_msgrcv); 148207007Skib CP(*s, *s32, ru_nsignals); 149207007Skib CP(*s, *s32, ru_nvcsw); 150207007Skib CP(*s, *s32, ru_nivcsw); 151207007Skib} 152207007Skib 153100384Speterint 154119333Speterfreebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 155100384Speter{ 156127140Sjhb int error, status; 157127140Sjhb struct rusage32 ru32; 158136152Sjhb struct rusage ru, *rup; 159100384Speter 160136152Sjhb if (uap->rusage != NULL) 161136152Sjhb rup = &ru; 162136152Sjhb else 163136152Sjhb rup = NULL; 164136152Sjhb error = kern_wait(td, uap->pid, &status, uap->options, rup); 165100384Speter if (error) 166100384Speter return (error); 167127140Sjhb if (uap->status != NULL) 168127140Sjhb error = copyout(&status, uap->status, sizeof(status)); 169127140Sjhb if (uap->rusage != NULL && error == 0) { 170207007Skib freebsd32_rusage_out(&ru, &ru32); 171127140Sjhb error = copyout(&ru32, uap->rusage, sizeof(ru32)); 172100384Speter } 173100384Speter return (error); 174100384Speter} 175100384Speter 176128597Smarcel#ifdef COMPAT_FREEBSD4 177174526Sjhbstatic void 178100384Spetercopy_statfs(struct statfs *in, struct statfs32 *out) 179100384Speter{ 180172003Sjhb 181174424Sscottl statfs_scale_blocks(in, INT32_MAX); 182156266Sps bzero(out, sizeof(*out)); 183100384Speter CP(*in, *out, f_bsize); 184172003Sjhb out->f_iosize = MIN(in->f_iosize, INT32_MAX); 185100384Speter CP(*in, *out, f_blocks); 186100384Speter CP(*in, *out, f_bfree); 187100384Speter CP(*in, *out, f_bavail); 188172003Sjhb out->f_files = MIN(in->f_files, INT32_MAX); 189174526Sjhb out->f_ffree = MIN(in->f_ffree, INT32_MAX); 190100384Speter CP(*in, *out, f_fsid); 191100384Speter CP(*in, *out, f_owner); 192100384Speter CP(*in, *out, f_type); 193100384Speter CP(*in, *out, f_flags); 194174526Sjhb out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 195174526Sjhb out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 196156266Sps strlcpy(out->f_fstypename, 197156266Sps in->f_fstypename, MFSNAMELEN); 198156266Sps strlcpy(out->f_mntonname, 199156266Sps in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 200174526Sjhb out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 201174526Sjhb out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 202156266Sps strlcpy(out->f_mntfromname, 203156266Sps in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 204100384Speter} 205128597Smarcel#endif 206100384Speter 207128597Smarcel#ifdef COMPAT_FREEBSD4 208100384Speterint 209128260Speterfreebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 210100384Speter{ 211147178Spjd struct statfs *buf, *sp; 212147178Spjd struct statfs32 stat32; 213147178Spjd size_t count, size; 214100384Speter int error; 215100384Speter 216147178Spjd count = uap->bufsize / sizeof(struct statfs32); 217147178Spjd size = count * sizeof(struct statfs); 218147302Spjd error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 219147302Spjd if (size > 0) { 220100384Speter count = td->td_retval[0]; 221147178Spjd sp = buf; 222147178Spjd while (count > 0 && error == 0) { 223174526Sjhb copy_statfs(sp, &stat32); 224147178Spjd error = copyout(&stat32, uap->buf, sizeof(stat32)); 225147178Spjd sp++; 226147178Spjd uap->buf++; 227147178Spjd count--; 228100384Speter } 229147178Spjd free(buf, M_TEMP); 230100384Speter } 231100384Speter return (error); 232100384Speter} 233128597Smarcel#endif 234100384Speter 235100384Speterint 236119333Speterfreebsd32_sigaltstack(struct thread *td, 237119333Speter struct freebsd32_sigaltstack_args *uap) 238100384Speter{ 239113859Sjhb struct sigaltstack32 s32; 240113859Sjhb struct sigaltstack ss, oss, *ssp; 241100384Speter int error; 242100384Speter 243113859Sjhb if (uap->ss != NULL) { 244113859Sjhb error = copyin(uap->ss, &s32, sizeof(s32)); 245100384Speter if (error) 246100384Speter return (error); 247113859Sjhb PTRIN_CP(s32, ss, ss_sp); 248113859Sjhb CP(s32, ss, ss_size); 249113859Sjhb CP(s32, ss, ss_flags); 250113859Sjhb ssp = &ss; 251113859Sjhb } else 252113859Sjhb ssp = NULL; 253113859Sjhb error = kern_sigaltstack(td, ssp, &oss); 254113859Sjhb if (error == 0 && uap->oss != NULL) { 255113859Sjhb PTROUT_CP(oss, s32, ss_sp); 256113859Sjhb CP(oss, s32, ss_size); 257113859Sjhb CP(oss, s32, ss_flags); 258113859Sjhb error = copyout(&s32, uap->oss, sizeof(s32)); 259100384Speter } 260100384Speter return (error); 261100384Speter} 262100384Speter 263142059Sjhb/* 264142059Sjhb * Custom version of exec_copyin_args() so that we can translate 265142059Sjhb * the pointers. 266142059Sjhb */ 267210431Skibint 268142059Sjhbfreebsd32_exec_copyin_args(struct image_args *args, char *fname, 269142059Sjhb enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 270100384Speter{ 271142059Sjhb char *argp, *envp; 272142059Sjhb u_int32_t *p32, arg; 273142059Sjhb size_t length; 274100384Speter int error; 275100384Speter 276142059Sjhb bzero(args, sizeof(*args)); 277142059Sjhb if (argv == NULL) 278142059Sjhb return (EFAULT); 279100384Speter 280142059Sjhb /* 281210545Salc * Allocate demand-paged memory for the file name, argument, and 282210545Salc * environment strings. 283142059Sjhb */ 284210545Salc error = exec_alloc_args(args); 285210545Salc if (error != 0) 286210545Salc return (error); 287142059Sjhb 288142059Sjhb /* 289142059Sjhb * Copy the file name. 290142059Sjhb */ 291177789Skib if (fname != NULL) { 292210545Salc args->fname = args->buf; 293177789Skib error = (segflg == UIO_SYSSPACE) ? 294177789Skib copystr(fname, args->fname, PATH_MAX, &length) : 295177789Skib copyinstr(fname, args->fname, PATH_MAX, &length); 296177789Skib if (error != 0) 297177789Skib goto err_exit; 298177789Skib } else 299210475Salc length = 0; 300142059Sjhb 301210545Salc args->begin_argv = args->buf + length; 302210475Salc args->endp = args->begin_argv; 303210475Salc args->stringspace = ARG_MAX; 304210475Salc 305142059Sjhb /* 306142059Sjhb * extract arguments first 307142059Sjhb */ 308142059Sjhb p32 = argv; 309142059Sjhb for (;;) { 310142059Sjhb error = copyin(p32++, &arg, sizeof(arg)); 311142059Sjhb if (error) 312156440Sups goto err_exit; 313142059Sjhb if (arg == 0) 314142059Sjhb break; 315142059Sjhb argp = PTRIN(arg); 316142059Sjhb error = copyinstr(argp, args->endp, args->stringspace, &length); 317142059Sjhb if (error) { 318142059Sjhb if (error == ENAMETOOLONG) 319156440Sups error = E2BIG; 320156440Sups goto err_exit; 321142059Sjhb } 322142059Sjhb args->stringspace -= length; 323142059Sjhb args->endp += length; 324142059Sjhb args->argc++; 325100384Speter } 326142059Sjhb 327142059Sjhb args->begin_envv = args->endp; 328142059Sjhb 329142059Sjhb /* 330142059Sjhb * extract environment strings 331142059Sjhb */ 332142059Sjhb if (envv) { 333142059Sjhb p32 = envv; 334142059Sjhb for (;;) { 335100384Speter error = copyin(p32++, &arg, sizeof(arg)); 336100384Speter if (error) 337156440Sups goto err_exit; 338142059Sjhb if (arg == 0) 339142059Sjhb break; 340142059Sjhb envp = PTRIN(arg); 341142059Sjhb error = copyinstr(envp, args->endp, args->stringspace, 342142059Sjhb &length); 343142059Sjhb if (error) { 344142059Sjhb if (error == ENAMETOOLONG) 345156440Sups error = E2BIG; 346156440Sups goto err_exit; 347142059Sjhb } 348142059Sjhb args->stringspace -= length; 349142059Sjhb args->endp += length; 350142059Sjhb args->envc++; 351142059Sjhb } 352100384Speter } 353100384Speter 354142059Sjhb return (0); 355156440Sups 356156440Supserr_exit: 357210429Salc exec_free_args(args); 358156440Sups return (error); 359100384Speter} 360100384Speter 361142059Sjhbint 362142059Sjhbfreebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 363142059Sjhb{ 364142059Sjhb struct image_args eargs; 365142059Sjhb int error; 366142059Sjhb 367142059Sjhb error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 368142059Sjhb uap->argv, uap->envv); 369142059Sjhb if (error == 0) 370142059Sjhb error = kern_execve(td, &eargs, NULL); 371142059Sjhb return (error); 372142059Sjhb} 373142059Sjhb 374177789Skibint 375177789Skibfreebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 376177789Skib{ 377177789Skib struct image_args eargs; 378177789Skib int error; 379177789Skib 380177789Skib error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 381177789Skib uap->argv, uap->envv); 382177789Skib if (error == 0) { 383177789Skib eargs.fd = uap->fd; 384177789Skib error = kern_execve(td, &eargs, NULL); 385177789Skib } 386177789Skib return (error); 387177789Skib} 388177789Skib 389114987Speter#ifdef __ia64__ 390100384Speterstatic int 391119333Speterfreebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 392119333Speter int prot, int fd, off_t pos) 393100384Speter{ 394100384Speter vm_map_t map; 395100384Speter vm_map_entry_t entry; 396100384Speter int rv; 397100384Speter 398100384Speter map = &td->td_proc->p_vmspace->vm_map; 399100384Speter if (fd != -1) 400100384Speter prot |= VM_PROT_WRITE; 401100384Speter 402100384Speter if (vm_map_lookup_entry(map, start, &entry)) { 403100384Speter if ((entry->protection & prot) != prot) { 404100384Speter rv = vm_map_protect(map, 405100384Speter trunc_page(start), 406100384Speter round_page(end), 407100384Speter entry->protection | prot, 408100384Speter FALSE); 409100384Speter if (rv != KERN_SUCCESS) 410100384Speter return (EINVAL); 411100384Speter } 412100384Speter } else { 413100384Speter vm_offset_t addr = trunc_page(start); 414100384Speter rv = vm_map_find(map, 0, 0, 415100384Speter &addr, PAGE_SIZE, FALSE, prot, 416100384Speter VM_PROT_ALL, 0); 417100384Speter if (rv != KERN_SUCCESS) 418100384Speter return (EINVAL); 419100384Speter } 420100384Speter 421100384Speter if (fd != -1) { 422100384Speter struct pread_args r; 423107849Salfred r.fd = fd; 424107849Salfred r.buf = (void *) start; 425107849Salfred r.nbyte = end - start; 426107849Salfred r.offset = pos; 427100384Speter return (pread(td, &r)); 428100384Speter } else { 429100384Speter while (start < end) { 430100384Speter subyte((void *) start, 0); 431100384Speter start++; 432100384Speter } 433100384Speter return (0); 434100384Speter } 435100384Speter} 436114987Speter#endif 437100384Speter 438100384Speterint 439119333Speterfreebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 440100384Speter{ 441100384Speter struct mmap_args ap; 442107849Salfred vm_offset_t addr = (vm_offset_t) uap->addr; 443107849Salfred vm_size_t len = uap->len; 444107849Salfred int prot = uap->prot; 445107849Salfred int flags = uap->flags; 446107849Salfred int fd = uap->fd; 447205014Snwhitehorn off_t pos = PAIR32TO64(off_t,uap->pos); 448114987Speter#ifdef __ia64__ 449100384Speter vm_size_t pageoff; 450100384Speter int error; 451100384Speter 452100384Speter /* 453100384Speter * Attempt to handle page size hassles. 454100384Speter */ 455100384Speter pageoff = (pos & PAGE_MASK); 456100384Speter if (flags & MAP_FIXED) { 457100384Speter vm_offset_t start, end; 458100384Speter start = addr; 459100384Speter end = addr + len; 460100384Speter 461100384Speter if (start != trunc_page(start)) { 462119333Speter error = freebsd32_mmap_partial(td, start, 463119333Speter round_page(start), prot, 464119333Speter fd, pos); 465100384Speter if (fd != -1) 466100384Speter pos += round_page(start) - start; 467100384Speter start = round_page(start); 468100384Speter } 469100384Speter if (end != round_page(end)) { 470100384Speter vm_offset_t t = trunc_page(end); 471119333Speter error = freebsd32_mmap_partial(td, t, end, 472100384Speter prot, fd, 473100384Speter pos + t - start); 474100384Speter end = trunc_page(end); 475100384Speter } 476100384Speter if (end > start && fd != -1 && (pos & PAGE_MASK)) { 477100384Speter /* 478100384Speter * We can't map this region at all. The specified 479100384Speter * address doesn't have the same alignment as the file 480100384Speter * position. Fake the mapping by simply reading the 481100384Speter * entire region into memory. First we need to make 482100384Speter * sure the region exists. 483100384Speter */ 484100384Speter vm_map_t map; 485100384Speter struct pread_args r; 486100384Speter int rv; 487100384Speter 488100384Speter prot |= VM_PROT_WRITE; 489100384Speter map = &td->td_proc->p_vmspace->vm_map; 490100384Speter rv = vm_map_remove(map, start, end); 491169181Salc if (rv != KERN_SUCCESS) 492100384Speter return (EINVAL); 493100384Speter rv = vm_map_find(map, 0, 0, 494100384Speter &start, end - start, FALSE, 495100384Speter prot, VM_PROT_ALL, 0); 496100384Speter if (rv != KERN_SUCCESS) 497100384Speter return (EINVAL); 498107849Salfred r.fd = fd; 499107849Salfred r.buf = (void *) start; 500107849Salfred r.nbyte = end - start; 501107849Salfred r.offset = pos; 502100384Speter error = pread(td, &r); 503100384Speter if (error) 504100384Speter return (error); 505100384Speter 506100384Speter td->td_retval[0] = addr; 507100384Speter return (0); 508100384Speter } 509100384Speter if (end == start) { 510100384Speter /* 511100384Speter * After dealing with the ragged ends, there 512100384Speter * might be none left. 513100384Speter */ 514100384Speter td->td_retval[0] = addr; 515100384Speter return (0); 516100384Speter } 517100384Speter addr = start; 518100384Speter len = end - start; 519100384Speter } 520114987Speter#endif 521100384Speter 522107849Salfred ap.addr = (void *) addr; 523107849Salfred ap.len = len; 524107849Salfred ap.prot = prot; 525107849Salfred ap.flags = flags; 526107849Salfred ap.fd = fd; 527107849Salfred ap.pos = pos; 528100384Speter 529100384Speter return (mmap(td, &ap)); 530100384Speter} 531100384Speter 532171215Speter#ifdef COMPAT_FREEBSD6 533171215Speterint 534171215Speterfreebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 535171215Speter{ 536171215Speter struct freebsd32_mmap_args ap; 537171215Speter 538171215Speter ap.addr = uap->addr; 539171215Speter ap.len = uap->len; 540171215Speter ap.prot = uap->prot; 541171215Speter ap.flags = uap->flags; 542171215Speter ap.fd = uap->fd; 543205014Snwhitehorn ap.pos1 = uap->pos1; 544205014Snwhitehorn ap.pos2 = uap->pos2; 545171215Speter 546171215Speter return (freebsd32_mmap(td, &ap)); 547171215Speter} 548171215Speter#endif 549171215Speter 550100384Speterint 551119333Speterfreebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 552100384Speter{ 553142059Sjhb struct itimerval itv, oitv, *itvp; 554142059Sjhb struct itimerval32 i32; 555100384Speter int error; 556100384Speter 557142059Sjhb if (uap->itv != NULL) { 558142059Sjhb error = copyin(uap->itv, &i32, sizeof(i32)); 559100384Speter if (error) 560100384Speter return (error); 561142059Sjhb TV_CP(i32, itv, it_interval); 562142059Sjhb TV_CP(i32, itv, it_value); 563142059Sjhb itvp = &itv; 564142059Sjhb } else 565142059Sjhb itvp = NULL; 566142059Sjhb error = kern_setitimer(td, uap->which, itvp, &oitv); 567142059Sjhb if (error || uap->oitv == NULL) 568100384Speter return (error); 569142059Sjhb TV_CP(oitv, i32, it_interval); 570142059Sjhb TV_CP(oitv, i32, it_value); 571142059Sjhb return (copyout(&i32, uap->oitv, sizeof(i32))); 572100384Speter} 573100384Speter 574100384Speterint 575125171Speterfreebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 576125171Speter{ 577142059Sjhb struct itimerval itv; 578142059Sjhb struct itimerval32 i32; 579125171Speter int error; 580125171Speter 581142059Sjhb error = kern_getitimer(td, uap->which, &itv); 582142059Sjhb if (error || uap->itv == NULL) 583125171Speter return (error); 584142059Sjhb TV_CP(itv, i32, it_interval); 585142059Sjhb TV_CP(itv, i32, it_value); 586142059Sjhb return (copyout(&i32, uap->itv, sizeof(i32))); 587125171Speter} 588125171Speter 589125171Speterint 590119333Speterfreebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 591100384Speter{ 592142059Sjhb struct timeval32 tv32; 593142059Sjhb struct timeval tv, *tvp; 594100384Speter int error; 595100384Speter 596142059Sjhb if (uap->tv != NULL) { 597142059Sjhb error = copyin(uap->tv, &tv32, sizeof(tv32)); 598100384Speter if (error) 599100384Speter return (error); 600142059Sjhb CP(tv32, tv, tv_sec); 601142059Sjhb CP(tv32, tv, tv_usec); 602142059Sjhb tvp = &tv; 603142059Sjhb } else 604142059Sjhb tvp = NULL; 605100384Speter /* 606142059Sjhb * XXX Do pointers need PTRIN()? 607100384Speter */ 608197049Skib return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 609197049Skib sizeof(int32_t) * 8)); 610100384Speter} 611100384Speter 612198508Skibint 613198508Skibfreebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 614198508Skib{ 615198508Skib struct timespec32 ts32; 616198508Skib struct timespec ts; 617198508Skib struct timeval tv, *tvp; 618198508Skib sigset_t set, *uset; 619198508Skib int error; 620198508Skib 621198508Skib if (uap->ts != NULL) { 622198508Skib error = copyin(uap->ts, &ts32, sizeof(ts32)); 623198508Skib if (error != 0) 624198508Skib return (error); 625198508Skib CP(ts32, ts, tv_sec); 626198508Skib CP(ts32, ts, tv_nsec); 627198508Skib TIMESPEC_TO_TIMEVAL(&tv, &ts); 628198508Skib tvp = &tv; 629198508Skib } else 630198508Skib tvp = NULL; 631198508Skib if (uap->sm != NULL) { 632198508Skib error = copyin(uap->sm, &set, sizeof(set)); 633198508Skib if (error != 0) 634198508Skib return (error); 635198508Skib uset = &set; 636198508Skib } else 637198508Skib uset = NULL; 638198508Skib /* 639198508Skib * XXX Do pointers need PTRIN()? 640198508Skib */ 641198508Skib error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 642198508Skib uset, sizeof(int32_t) * 8); 643198508Skib return (error); 644198508Skib} 645198508Skib 646146950Sps/* 647146950Sps * Copy 'count' items into the destination list pointed to by uap->eventlist. 648146950Sps */ 649146950Spsstatic int 650146950Spsfreebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 651146950Sps{ 652146950Sps struct freebsd32_kevent_args *uap; 653146950Sps struct kevent32 ks32[KQ_NEVENTS]; 654146950Sps int i, error = 0; 655146950Sps 656146950Sps KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 657146950Sps uap = (struct freebsd32_kevent_args *)arg; 658146950Sps 659146950Sps for (i = 0; i < count; i++) { 660146950Sps CP(kevp[i], ks32[i], ident); 661146950Sps CP(kevp[i], ks32[i], filter); 662146950Sps CP(kevp[i], ks32[i], flags); 663146950Sps CP(kevp[i], ks32[i], fflags); 664146950Sps CP(kevp[i], ks32[i], data); 665146950Sps PTROUT_CP(kevp[i], ks32[i], udata); 666146950Sps } 667146950Sps error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 668146950Sps if (error == 0) 669146950Sps uap->eventlist += count; 670146950Sps return (error); 671146950Sps} 672146950Sps 673146950Sps/* 674146950Sps * Copy 'count' items from the list pointed to by uap->changelist. 675146950Sps */ 676146950Spsstatic int 677146950Spsfreebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 678146950Sps{ 679146950Sps struct freebsd32_kevent_args *uap; 680146950Sps struct kevent32 ks32[KQ_NEVENTS]; 681146950Sps int i, error = 0; 682146950Sps 683146950Sps KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 684146950Sps uap = (struct freebsd32_kevent_args *)arg; 685146950Sps 686146950Sps error = copyin(uap->changelist, ks32, count * sizeof *ks32); 687146950Sps if (error) 688146950Sps goto done; 689146950Sps uap->changelist += count; 690146950Sps 691146950Sps for (i = 0; i < count; i++) { 692146950Sps CP(ks32[i], kevp[i], ident); 693146950Sps CP(ks32[i], kevp[i], filter); 694146950Sps CP(ks32[i], kevp[i], flags); 695146950Sps CP(ks32[i], kevp[i], fflags); 696146950Sps CP(ks32[i], kevp[i], data); 697146950Sps PTRIN_CP(ks32[i], kevp[i], udata); 698146950Sps } 699146950Spsdone: 700146950Sps return (error); 701146950Sps} 702146950Sps 703100384Speterint 704119333Speterfreebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 705114987Speter{ 706114987Speter struct timespec32 ts32; 707142934Sps struct timespec ts, *tsp; 708146950Sps struct kevent_copyops k_ops = { uap, 709146950Sps freebsd32_kevent_copyout, 710146950Sps freebsd32_kevent_copyin}; 711146950Sps int error; 712114987Speter 713114987Speter 714114987Speter if (uap->timeout) { 715114987Speter error = copyin(uap->timeout, &ts32, sizeof(ts32)); 716114987Speter if (error) 717114987Speter return (error); 718114987Speter CP(ts32, ts, tv_sec); 719114987Speter CP(ts32, ts, tv_nsec); 720142934Sps tsp = &ts; 721142934Sps } else 722142934Sps tsp = NULL; 723146950Sps error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 724146950Sps &k_ops, tsp); 725142934Sps return (error); 726114987Speter} 727114987Speter 728114987Speterint 729119333Speterfreebsd32_gettimeofday(struct thread *td, 730119333Speter struct freebsd32_gettimeofday_args *uap) 731100384Speter{ 732123425Speter struct timeval atv; 733123425Speter struct timeval32 atv32; 734123425Speter struct timezone rtz; 735123425Speter int error = 0; 736100384Speter 737123425Speter if (uap->tp) { 738123425Speter microtime(&atv); 739123425Speter CP(atv, atv32, tv_sec); 740123425Speter CP(atv, atv32, tv_usec); 741123425Speter error = copyout(&atv32, uap->tp, sizeof (atv32)); 742100384Speter } 743123425Speter if (error == 0 && uap->tzp != NULL) { 744123425Speter rtz.tz_minuteswest = tz_minuteswest; 745123425Speter rtz.tz_dsttime = tz_dsttime; 746123425Speter error = copyout(&rtz, uap->tzp, sizeof (rtz)); 747100384Speter } 748100384Speter return (error); 749100384Speter} 750100384Speter 751100384Speterint 752119333Speterfreebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 753100384Speter{ 754136152Sjhb struct rusage32 s32; 755136152Sjhb struct rusage s; 756100384Speter int error; 757100384Speter 758136152Sjhb error = kern_getrusage(td, uap->who, &s); 759100384Speter if (error) 760100384Speter return (error); 761136152Sjhb if (uap->rusage != NULL) { 762207007Skib freebsd32_rusage_out(&s, &s32); 763136152Sjhb error = copyout(&s32, uap->rusage, sizeof(s32)); 764100384Speter } 765100384Speter return (error); 766100384Speter} 767100384Speter 768144450Sjhbstatic int 769144450Sjhbfreebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 770100384Speter{ 771144450Sjhb struct iovec32 iov32; 772144450Sjhb struct iovec *iov; 773144450Sjhb struct uio *uio; 774144450Sjhb u_int iovlen; 775144450Sjhb int error, i; 776100384Speter 777144450Sjhb *uiop = NULL; 778144450Sjhb if (iovcnt > UIO_MAXIOV) 779100384Speter return (EINVAL); 780144450Sjhb iovlen = iovcnt * sizeof(struct iovec); 781144450Sjhb uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 782144450Sjhb iov = (struct iovec *)(uio + 1); 783144450Sjhb for (i = 0; i < iovcnt; i++) { 784144450Sjhb error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 785144450Sjhb if (error) { 786144450Sjhb free(uio, M_IOV); 787144450Sjhb return (error); 788144450Sjhb } 789144450Sjhb iov[i].iov_base = PTRIN(iov32.iov_base); 790144450Sjhb iov[i].iov_len = iov32.iov_len; 791100384Speter } 792144450Sjhb uio->uio_iov = iov; 793144450Sjhb uio->uio_iovcnt = iovcnt; 794144450Sjhb uio->uio_segflg = UIO_USERSPACE; 795144450Sjhb uio->uio_offset = -1; 796144450Sjhb uio->uio_resid = 0; 797144450Sjhb for (i = 0; i < iovcnt; i++) { 798144450Sjhb if (iov->iov_len > INT_MAX - uio->uio_resid) { 799144450Sjhb free(uio, M_IOV); 800144450Sjhb return (EINVAL); 801144450Sjhb } 802144450Sjhb uio->uio_resid += iov->iov_len; 803144450Sjhb iov++; 804144450Sjhb } 805144450Sjhb *uiop = uio; 806144450Sjhb return (0); 807144450Sjhb} 808100384Speter 809144450Sjhbint 810144450Sjhbfreebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 811144450Sjhb{ 812144450Sjhb struct uio *auio; 813144450Sjhb int error; 814100384Speter 815144450Sjhb error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 816144450Sjhb if (error) 817144450Sjhb return (error); 818144450Sjhb error = kern_readv(td, uap->fd, auio); 819144450Sjhb free(auio, M_IOV); 820100384Speter return (error); 821100384Speter} 822100384Speter 823100384Speterint 824119333Speterfreebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 825100384Speter{ 826144450Sjhb struct uio *auio; 827144450Sjhb int error; 828100384Speter 829144450Sjhb error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 830144450Sjhb if (error) 831144450Sjhb return (error); 832144450Sjhb error = kern_writev(td, uap->fd, auio); 833144450Sjhb free(auio, M_IOV); 834100384Speter return (error); 835100384Speter} 836100384Speter 837100384Speterint 838147813Sjhbfreebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 839147813Sjhb{ 840147813Sjhb struct uio *auio; 841147813Sjhb int error; 842147813Sjhb 843147813Sjhb error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 844147813Sjhb if (error) 845147813Sjhb return (error); 846205014Snwhitehorn error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 847147813Sjhb free(auio, M_IOV); 848147813Sjhb return (error); 849147813Sjhb} 850147813Sjhb 851147813Sjhbint 852147813Sjhbfreebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 853147813Sjhb{ 854147813Sjhb struct uio *auio; 855147813Sjhb int error; 856147813Sjhb 857147813Sjhb error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 858147813Sjhb if (error) 859147813Sjhb return (error); 860205014Snwhitehorn error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 861147813Sjhb free(auio, M_IOV); 862147813Sjhb return (error); 863147813Sjhb} 864147813Sjhb 865205319Skibint 866151909Spsfreebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 867151359Sps int error) 868151359Sps{ 869151359Sps struct iovec32 iov32; 870151909Sps struct iovec *iov; 871151909Sps u_int iovlen; 872151359Sps int i; 873151359Sps 874151909Sps *iovp = NULL; 875151359Sps if (iovcnt > UIO_MAXIOV) 876151359Sps return (error); 877151359Sps iovlen = iovcnt * sizeof(struct iovec); 878151909Sps iov = malloc(iovlen, M_IOV, M_WAITOK); 879151359Sps for (i = 0; i < iovcnt; i++) { 880151909Sps error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 881151359Sps if (error) { 882151909Sps free(iov, M_IOV); 883151359Sps return (error); 884151359Sps } 885151909Sps iov[i].iov_base = PTRIN(iov32.iov_base); 886151909Sps iov[i].iov_len = iov32.iov_len; 887151359Sps } 888151909Sps *iovp = iov; 889151359Sps return (0); 890151359Sps} 891151359Sps 892151359Spsstatic int 893151359Spsfreebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 894151359Sps{ 895151359Sps struct msghdr32 m32; 896151359Sps int error; 897151359Sps 898151359Sps error = copyin(msg32, &m32, sizeof(m32)); 899151359Sps if (error) 900151359Sps return (error); 901151359Sps msg->msg_name = PTRIN(m32.msg_name); 902151359Sps msg->msg_namelen = m32.msg_namelen; 903151359Sps msg->msg_iov = PTRIN(m32.msg_iov); 904151359Sps msg->msg_iovlen = m32.msg_iovlen; 905151359Sps msg->msg_control = PTRIN(m32.msg_control); 906151359Sps msg->msg_controllen = m32.msg_controllen; 907151359Sps msg->msg_flags = m32.msg_flags; 908151909Sps return (0); 909151359Sps} 910151359Sps 911151359Spsstatic int 912151359Spsfreebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 913151359Sps{ 914151359Sps struct msghdr32 m32; 915151359Sps int error; 916151359Sps 917151359Sps m32.msg_name = PTROUT(msg->msg_name); 918151359Sps m32.msg_namelen = msg->msg_namelen; 919151359Sps m32.msg_iov = PTROUT(msg->msg_iov); 920151359Sps m32.msg_iovlen = msg->msg_iovlen; 921151359Sps m32.msg_control = PTROUT(msg->msg_control); 922151359Sps m32.msg_controllen = msg->msg_controllen; 923151359Sps m32.msg_flags = msg->msg_flags; 924151359Sps error = copyout(&m32, msg32, sizeof(m32)); 925151359Sps return (error); 926151359Sps} 927151359Sps 928151909Sps#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 929151909Sps#define FREEBSD32_ALIGN(p) \ 930151909Sps (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 931151909Sps#define FREEBSD32_CMSG_SPACE(l) \ 932151909Sps (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 933151909Sps 934151909Sps#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 935151909Sps FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 936151909Spsstatic int 937151909Spsfreebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 938151909Sps{ 939151909Sps struct cmsghdr *cm; 940151909Sps void *data; 941151909Sps socklen_t clen, datalen; 942151909Sps int error; 943151909Sps caddr_t ctlbuf; 944151909Sps int len, maxlen, copylen; 945151909Sps struct mbuf *m; 946151909Sps error = 0; 947151909Sps 948151909Sps len = msg->msg_controllen; 949151909Sps maxlen = msg->msg_controllen; 950151909Sps msg->msg_controllen = 0; 951151909Sps 952151909Sps m = control; 953151909Sps ctlbuf = msg->msg_control; 954151909Sps 955151909Sps while (m && len > 0) { 956151909Sps cm = mtod(m, struct cmsghdr *); 957151909Sps clen = m->m_len; 958151909Sps 959151909Sps while (cm != NULL) { 960151909Sps 961151909Sps if (sizeof(struct cmsghdr) > clen || 962151909Sps cm->cmsg_len > clen) { 963151909Sps error = EINVAL; 964151909Sps break; 965151909Sps } 966151909Sps 967151909Sps data = CMSG_DATA(cm); 968151909Sps datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 969151909Sps 970151909Sps /* Adjust message length */ 971151909Sps cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 972151909Sps datalen; 973151909Sps 974151909Sps 975151909Sps /* Copy cmsghdr */ 976151909Sps copylen = sizeof(struct cmsghdr); 977151909Sps if (len < copylen) { 978151909Sps msg->msg_flags |= MSG_CTRUNC; 979151909Sps copylen = len; 980151909Sps } 981151909Sps 982151909Sps error = copyout(cm,ctlbuf,copylen); 983151909Sps if (error) 984151909Sps goto exit; 985151909Sps 986151909Sps ctlbuf += FREEBSD32_ALIGN(copylen); 987151909Sps len -= FREEBSD32_ALIGN(copylen); 988151909Sps 989151909Sps if (len <= 0) 990151909Sps break; 991151909Sps 992151909Sps /* Copy data */ 993151909Sps copylen = datalen; 994151909Sps if (len < copylen) { 995151909Sps msg->msg_flags |= MSG_CTRUNC; 996151909Sps copylen = len; 997151909Sps } 998151909Sps 999151909Sps error = copyout(data,ctlbuf,copylen); 1000151909Sps if (error) 1001151909Sps goto exit; 1002151909Sps 1003151909Sps ctlbuf += FREEBSD32_ALIGN(copylen); 1004151909Sps len -= FREEBSD32_ALIGN(copylen); 1005151909Sps 1006151909Sps if (CMSG_SPACE(datalen) < clen) { 1007151909Sps clen -= CMSG_SPACE(datalen); 1008151909Sps cm = (struct cmsghdr *) 1009151909Sps ((caddr_t)cm + CMSG_SPACE(datalen)); 1010151909Sps } else { 1011151909Sps clen = 0; 1012151909Sps cm = NULL; 1013151909Sps } 1014151909Sps } 1015151909Sps m = m->m_next; 1016151909Sps } 1017151909Sps 1018151909Sps msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1019151909Sps 1020151909Spsexit: 1021151909Sps return (error); 1022151909Sps 1023151909Sps} 1024151909Sps 1025147813Sjhbint 1026151359Spsfreebsd32_recvmsg(td, uap) 1027151359Sps struct thread *td; 1028151359Sps struct freebsd32_recvmsg_args /* { 1029151359Sps int s; 1030151359Sps struct msghdr32 *msg; 1031151359Sps int flags; 1032151359Sps } */ *uap; 1033151359Sps{ 1034151359Sps struct msghdr msg; 1035151359Sps struct msghdr32 m32; 1036151359Sps struct iovec *uiov, *iov; 1037151909Sps struct mbuf *control = NULL; 1038151909Sps struct mbuf **controlp; 1039151909Sps 1040151359Sps int error; 1041151359Sps error = copyin(uap->msg, &m32, sizeof(m32)); 1042151359Sps if (error) 1043151359Sps return (error); 1044151359Sps error = freebsd32_copyinmsghdr(uap->msg, &msg); 1045151359Sps if (error) 1046151359Sps return (error); 1047160246Sjhb error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1048160246Sjhb EMSGSIZE); 1049151359Sps if (error) 1050151359Sps return (error); 1051151359Sps msg.msg_flags = uap->flags; 1052151359Sps uiov = msg.msg_iov; 1053151359Sps msg.msg_iov = iov; 1054151909Sps 1055151909Sps controlp = (msg.msg_control != NULL) ? &control : NULL; 1056160249Sjhb error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1057151359Sps if (error == 0) { 1058151359Sps msg.msg_iov = uiov; 1059151909Sps 1060151909Sps if (control != NULL) 1061151909Sps error = freebsd32_copy_msg_out(&msg, control); 1062210796Skib else 1063210796Skib msg.msg_controllen = 0; 1064151909Sps 1065151909Sps if (error == 0) 1066151909Sps error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1067151359Sps } 1068151359Sps free(iov, M_IOV); 1069151909Sps 1070151909Sps if (control != NULL) 1071151909Sps m_freem(control); 1072151909Sps 1073151359Sps return (error); 1074151359Sps} 1075151359Sps 1076151909Sps 1077151909Spsstatic int 1078151909Spsfreebsd32_convert_msg_in(struct mbuf **controlp) 1079151909Sps{ 1080151909Sps struct mbuf *control = *controlp; 1081151909Sps struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1082151909Sps void *data; 1083151909Sps socklen_t clen = control->m_len, datalen; 1084151909Sps int error; 1085151909Sps 1086151909Sps error = 0; 1087151909Sps *controlp = NULL; 1088151909Sps 1089151909Sps while (cm != NULL) { 1090151909Sps if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1091151909Sps error = EINVAL; 1092151909Sps break; 1093151909Sps } 1094151909Sps 1095151909Sps data = FREEBSD32_CMSG_DATA(cm); 1096151909Sps datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1097151909Sps 1098151909Sps *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1099151909Sps cm->cmsg_level); 1100151909Sps controlp = &(*controlp)->m_next; 1101151909Sps 1102151909Sps if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1103151909Sps clen -= FREEBSD32_CMSG_SPACE(datalen); 1104151909Sps cm = (struct cmsghdr *) 1105151909Sps ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1106151909Sps } else { 1107151909Sps clen = 0; 1108151909Sps cm = NULL; 1109151909Sps } 1110151909Sps } 1111151909Sps 1112151909Sps m_freem(control); 1113151909Sps return (error); 1114151909Sps} 1115151909Sps 1116151909Sps 1117151359Spsint 1118151359Spsfreebsd32_sendmsg(struct thread *td, 1119151359Sps struct freebsd32_sendmsg_args *uap) 1120151359Sps{ 1121151359Sps struct msghdr msg; 1122151359Sps struct msghdr32 m32; 1123151359Sps struct iovec *iov; 1124151909Sps struct mbuf *control = NULL; 1125151909Sps struct sockaddr *to = NULL; 1126151359Sps int error; 1127151359Sps 1128151359Sps error = copyin(uap->msg, &m32, sizeof(m32)); 1129151359Sps if (error) 1130151359Sps return (error); 1131151359Sps error = freebsd32_copyinmsghdr(uap->msg, &msg); 1132151359Sps if (error) 1133151359Sps return (error); 1134160246Sjhb error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1135160246Sjhb EMSGSIZE); 1136151359Sps if (error) 1137151359Sps return (error); 1138151359Sps msg.msg_iov = iov; 1139151909Sps if (msg.msg_name != NULL) { 1140151909Sps error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1141151909Sps if (error) { 1142151909Sps to = NULL; 1143151909Sps goto out; 1144151909Sps } 1145151909Sps msg.msg_name = to; 1146151909Sps } 1147151909Sps 1148151909Sps if (msg.msg_control) { 1149151909Sps if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1150151909Sps error = EINVAL; 1151151909Sps goto out; 1152151909Sps } 1153151909Sps 1154151909Sps error = sockargs(&control, msg.msg_control, 1155151909Sps msg.msg_controllen, MT_CONTROL); 1156151909Sps if (error) 1157151909Sps goto out; 1158151909Sps 1159151909Sps error = freebsd32_convert_msg_in(&control); 1160151909Sps if (error) 1161151909Sps goto out; 1162151909Sps } 1163151909Sps 1164151909Sps error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1165151909Sps UIO_USERSPACE); 1166151909Sps 1167151909Spsout: 1168151359Sps free(iov, M_IOV); 1169151909Sps if (to) 1170151909Sps free(to, M_SONAME); 1171151359Sps return (error); 1172151359Sps} 1173151359Sps 1174151359Spsint 1175151359Spsfreebsd32_recvfrom(struct thread *td, 1176151359Sps struct freebsd32_recvfrom_args *uap) 1177151359Sps{ 1178151359Sps struct msghdr msg; 1179151359Sps struct iovec aiov; 1180151359Sps int error; 1181151359Sps 1182151359Sps if (uap->fromlenaddr) { 1183160246Sjhb error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1184160246Sjhb sizeof(msg.msg_namelen)); 1185151359Sps if (error) 1186151359Sps return (error); 1187151359Sps } else { 1188151359Sps msg.msg_namelen = 0; 1189151359Sps } 1190151359Sps 1191160246Sjhb msg.msg_name = PTRIN(uap->from); 1192151359Sps msg.msg_iov = &aiov; 1193151359Sps msg.msg_iovlen = 1; 1194160246Sjhb aiov.iov_base = PTRIN(uap->buf); 1195151359Sps aiov.iov_len = uap->len; 1196160246Sjhb msg.msg_control = NULL; 1197151359Sps msg.msg_flags = uap->flags; 1198160249Sjhb error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1199160249Sjhb if (error == 0 && uap->fromlenaddr) 1200160249Sjhb error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1201160249Sjhb sizeof (msg.msg_namelen)); 1202151359Sps return (error); 1203151359Sps} 1204151359Sps 1205151359Spsint 1206119333Speterfreebsd32_settimeofday(struct thread *td, 1207119333Speter struct freebsd32_settimeofday_args *uap) 1208100384Speter{ 1209144450Sjhb struct timeval32 tv32; 1210144450Sjhb struct timeval tv, *tvp; 1211144450Sjhb struct timezone tz, *tzp; 1212100384Speter int error; 1213100384Speter 1214144450Sjhb if (uap->tv) { 1215144450Sjhb error = copyin(uap->tv, &tv32, sizeof(tv32)); 1216100384Speter if (error) 1217100384Speter return (error); 1218144450Sjhb CP(tv32, tv, tv_sec); 1219144450Sjhb CP(tv32, tv, tv_usec); 1220144450Sjhb tvp = &tv; 1221144450Sjhb } else 1222144450Sjhb tvp = NULL; 1223144450Sjhb if (uap->tzp) { 1224144450Sjhb error = copyin(uap->tzp, &tz, sizeof(tz)); 1225100384Speter if (error) 1226100384Speter return (error); 1227144450Sjhb tzp = &tz; 1228144450Sjhb } else 1229144450Sjhb tzp = NULL; 1230144450Sjhb return (kern_settimeofday(td, tvp, tzp)); 1231100384Speter} 1232100384Speter 1233100384Speterint 1234119333Speterfreebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1235100384Speter{ 1236142059Sjhb struct timeval32 s32[2]; 1237142059Sjhb struct timeval s[2], *sp; 1238100384Speter int error; 1239100384Speter 1240142059Sjhb if (uap->tptr != NULL) { 1241142059Sjhb error = copyin(uap->tptr, s32, sizeof(s32)); 1242100384Speter if (error) 1243100384Speter return (error); 1244100384Speter CP(s32[0], s[0], tv_sec); 1245100384Speter CP(s32[0], s[0], tv_usec); 1246100384Speter CP(s32[1], s[1], tv_sec); 1247100384Speter CP(s32[1], s[1], tv_usec); 1248142059Sjhb sp = s; 1249142059Sjhb } else 1250142059Sjhb sp = NULL; 1251142059Sjhb return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1252100384Speter} 1253100384Speter 1254100384Speterint 1255154586Sambriskofreebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1256154586Sambrisko{ 1257154586Sambrisko struct timeval32 s32[2]; 1258154586Sambrisko struct timeval s[2], *sp; 1259154586Sambrisko int error; 1260154586Sambrisko 1261154586Sambrisko if (uap->tptr != NULL) { 1262154586Sambrisko error = copyin(uap->tptr, s32, sizeof(s32)); 1263154586Sambrisko if (error) 1264154586Sambrisko return (error); 1265154586Sambrisko CP(s32[0], s[0], tv_sec); 1266154586Sambrisko CP(s32[0], s[0], tv_usec); 1267154586Sambrisko CP(s32[1], s[1], tv_sec); 1268154586Sambrisko CP(s32[1], s[1], tv_usec); 1269154586Sambrisko sp = s; 1270154586Sambrisko } else 1271154586Sambrisko sp = NULL; 1272154586Sambrisko return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1273154586Sambrisko} 1274154586Sambrisko 1275154586Sambriskoint 1276153247Sambriskofreebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1277153247Sambrisko{ 1278153247Sambrisko struct timeval32 s32[2]; 1279153247Sambrisko struct timeval s[2], *sp; 1280153247Sambrisko int error; 1281153247Sambrisko 1282153247Sambrisko if (uap->tptr != NULL) { 1283153247Sambrisko error = copyin(uap->tptr, s32, sizeof(s32)); 1284153247Sambrisko if (error) 1285153247Sambrisko return (error); 1286153247Sambrisko CP(s32[0], s[0], tv_sec); 1287153247Sambrisko CP(s32[0], s[0], tv_usec); 1288153247Sambrisko CP(s32[1], s[1], tv_sec); 1289153247Sambrisko CP(s32[1], s[1], tv_usec); 1290153247Sambrisko sp = s; 1291153247Sambrisko } else 1292153247Sambrisko sp = NULL; 1293153247Sambrisko return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1294153247Sambrisko} 1295153247Sambrisko 1296177789Skibint 1297177789Skibfreebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1298177789Skib{ 1299177789Skib struct timeval32 s32[2]; 1300177789Skib struct timeval s[2], *sp; 1301177789Skib int error; 1302153247Sambrisko 1303177789Skib if (uap->times != NULL) { 1304177789Skib error = copyin(uap->times, s32, sizeof(s32)); 1305177789Skib if (error) 1306177789Skib return (error); 1307177789Skib CP(s32[0], s[0], tv_sec); 1308177789Skib CP(s32[0], s[0], tv_usec); 1309177789Skib CP(s32[1], s[1], tv_sec); 1310177789Skib CP(s32[1], s[1], tv_usec); 1311177789Skib sp = s; 1312177789Skib } else 1313177789Skib sp = NULL; 1314177789Skib return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1315177789Skib sp, UIO_SYSSPACE)); 1316177789Skib} 1317177789Skib 1318153247Sambriskoint 1319119333Speterfreebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1320100384Speter{ 1321144450Sjhb struct timeval32 tv32; 1322144450Sjhb struct timeval delta, olddelta, *deltap; 1323100384Speter int error; 1324100384Speter 1325144450Sjhb if (uap->delta) { 1326144450Sjhb error = copyin(uap->delta, &tv32, sizeof(tv32)); 1327100384Speter if (error) 1328100384Speter return (error); 1329144450Sjhb CP(tv32, delta, tv_sec); 1330144450Sjhb CP(tv32, delta, tv_usec); 1331144450Sjhb deltap = δ 1332144450Sjhb } else 1333144450Sjhb deltap = NULL; 1334144450Sjhb error = kern_adjtime(td, deltap, &olddelta); 1335144450Sjhb if (uap->olddelta && error == 0) { 1336144450Sjhb CP(olddelta, tv32, tv_sec); 1337144450Sjhb CP(olddelta, tv32, tv_usec); 1338144450Sjhb error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1339100384Speter } 1340100384Speter return (error); 1341100384Speter} 1342100384Speter 1343128597Smarcel#ifdef COMPAT_FREEBSD4 1344100384Speterint 1345128260Speterfreebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1346100384Speter{ 1347142059Sjhb struct statfs32 s32; 1348142059Sjhb struct statfs s; 1349100384Speter int error; 1350100384Speter 1351142059Sjhb error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1352100384Speter if (error) 1353100384Speter return (error); 1354174526Sjhb copy_statfs(&s, &s32); 1355142059Sjhb return (copyout(&s32, uap->buf, sizeof(s32))); 1356100384Speter} 1357128597Smarcel#endif 1358100384Speter 1359128597Smarcel#ifdef COMPAT_FREEBSD4 1360100384Speterint 1361128260Speterfreebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1362100384Speter{ 1363142059Sjhb struct statfs32 s32; 1364142059Sjhb struct statfs s; 1365100384Speter int error; 1366100384Speter 1367142059Sjhb error = kern_fstatfs(td, uap->fd, &s); 1368100384Speter if (error) 1369100384Speter return (error); 1370174526Sjhb copy_statfs(&s, &s32); 1371142059Sjhb return (copyout(&s32, uap->buf, sizeof(s32))); 1372100384Speter} 1373128597Smarcel#endif 1374100384Speter 1375128597Smarcel#ifdef COMPAT_FREEBSD4 1376100384Speterint 1377128260Speterfreebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1378128260Speter{ 1379142059Sjhb struct statfs32 s32; 1380142059Sjhb struct statfs s; 1381142059Sjhb fhandle_t fh; 1382128260Speter int error; 1383128260Speter 1384142059Sjhb if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1385142059Sjhb return (error); 1386142059Sjhb error = kern_fhstatfs(td, fh, &s); 1387128260Speter if (error) 1388128260Speter return (error); 1389174526Sjhb copy_statfs(&s, &s32); 1390142059Sjhb return (copyout(&s32, uap->buf, sizeof(s32))); 1391128260Speter} 1392128597Smarcel#endif 1393128260Speter 1394128260Speterint 1395119333Speterfreebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1396100384Speter{ 1397100384Speter struct pread_args ap; 1398100384Speter 1399107849Salfred ap.fd = uap->fd; 1400107849Salfred ap.buf = uap->buf; 1401107849Salfred ap.nbyte = uap->nbyte; 1402205014Snwhitehorn ap.offset = PAIR32TO64(off_t,uap->offset); 1403100384Speter return (pread(td, &ap)); 1404100384Speter} 1405100384Speter 1406100384Speterint 1407119333Speterfreebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1408100384Speter{ 1409100384Speter struct pwrite_args ap; 1410100384Speter 1411107849Salfred ap.fd = uap->fd; 1412107849Salfred ap.buf = uap->buf; 1413107849Salfred ap.nbyte = uap->nbyte; 1414205014Snwhitehorn ap.offset = PAIR32TO64(off_t,uap->offset); 1415100384Speter return (pwrite(td, &ap)); 1416100384Speter} 1417100384Speter 1418100384Speterint 1419119333Speterfreebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1420100384Speter{ 1421100384Speter int error; 1422100384Speter struct lseek_args ap; 1423100384Speter off_t pos; 1424100384Speter 1425107849Salfred ap.fd = uap->fd; 1426205014Snwhitehorn ap.offset = PAIR32TO64(off_t,uap->offset); 1427107849Salfred ap.whence = uap->whence; 1428100384Speter error = lseek(td, &ap); 1429100384Speter /* Expand the quad return into two parts for eax and edx */ 1430100384Speter pos = *(off_t *)(td->td_retval); 1431205014Snwhitehorn td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1432205014Snwhitehorn td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1433100384Speter return error; 1434100384Speter} 1435100384Speter 1436100384Speterint 1437119333Speterfreebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1438100384Speter{ 1439100384Speter struct truncate_args ap; 1440100384Speter 1441107849Salfred ap.path = uap->path; 1442205014Snwhitehorn ap.length = PAIR32TO64(off_t,uap->length); 1443100384Speter return (truncate(td, &ap)); 1444100384Speter} 1445100384Speter 1446100384Speterint 1447119333Speterfreebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1448100384Speter{ 1449100384Speter struct ftruncate_args ap; 1450100384Speter 1451107849Salfred ap.fd = uap->fd; 1452205014Snwhitehorn ap.length = PAIR32TO64(off_t,uap->length); 1453100384Speter return (ftruncate(td, &ap)); 1454100384Speter} 1455100384Speter 1456184183Sjhbint 1457184183Sjhbfreebsd32_getdirentries(struct thread *td, 1458184183Sjhb struct freebsd32_getdirentries_args *uap) 1459184183Sjhb{ 1460184183Sjhb long base; 1461184183Sjhb int32_t base32; 1462184183Sjhb int error; 1463184183Sjhb 1464184183Sjhb error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base); 1465184183Sjhb if (error) 1466184183Sjhb return (error); 1467184183Sjhb if (uap->basep != NULL) { 1468184183Sjhb base32 = base; 1469184183Sjhb error = copyout(&base32, uap->basep, sizeof(int32_t)); 1470184183Sjhb } 1471184183Sjhb return (error); 1472184183Sjhb} 1473184183Sjhb 1474171215Speter#ifdef COMPAT_FREEBSD6 1475171215Speter/* versions with the 'int pad' argument */ 1476171215Speterint 1477171215Speterfreebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1478171215Speter{ 1479171215Speter struct pread_args ap; 1480171215Speter 1481171215Speter ap.fd = uap->fd; 1482171215Speter ap.buf = uap->buf; 1483171215Speter ap.nbyte = uap->nbyte; 1484205014Snwhitehorn ap.offset = PAIR32TO64(off_t,uap->offset); 1485171215Speter return (pread(td, &ap)); 1486171215Speter} 1487171215Speter 1488171215Speterint 1489171215Speterfreebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1490171215Speter{ 1491171215Speter struct pwrite_args ap; 1492171215Speter 1493171215Speter ap.fd = uap->fd; 1494171215Speter ap.buf = uap->buf; 1495171215Speter ap.nbyte = uap->nbyte; 1496205014Snwhitehorn ap.offset = PAIR32TO64(off_t,uap->offset); 1497171215Speter return (pwrite(td, &ap)); 1498171215Speter} 1499171215Speter 1500171215Speterint 1501171215Speterfreebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1502171215Speter{ 1503171215Speter int error; 1504171215Speter struct lseek_args ap; 1505171215Speter off_t pos; 1506171215Speter 1507171215Speter ap.fd = uap->fd; 1508205014Snwhitehorn ap.offset = PAIR32TO64(off_t,uap->offset); 1509171215Speter ap.whence = uap->whence; 1510171215Speter error = lseek(td, &ap); 1511171215Speter /* Expand the quad return into two parts for eax and edx */ 1512171215Speter pos = *(off_t *)(td->td_retval); 1513205014Snwhitehorn td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1514205014Snwhitehorn td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1515171215Speter return error; 1516171215Speter} 1517171215Speter 1518171215Speterint 1519171215Speterfreebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1520171215Speter{ 1521171215Speter struct truncate_args ap; 1522171215Speter 1523171215Speter ap.path = uap->path; 1524205014Snwhitehorn ap.length = PAIR32TO64(off_t,uap->length); 1525171215Speter return (truncate(td, &ap)); 1526171215Speter} 1527171215Speter 1528171215Speterint 1529171215Speterfreebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1530171215Speter{ 1531171215Speter struct ftruncate_args ap; 1532171215Speter 1533171215Speter ap.fd = uap->fd; 1534205014Snwhitehorn ap.length = PAIR32TO64(off_t,uap->length); 1535171215Speter return (ftruncate(td, &ap)); 1536171215Speter} 1537171215Speter#endif /* COMPAT_FREEBSD6 */ 1538171215Speter 1539156114Spsstruct sf_hdtr32 { 1540156114Sps uint32_t headers; 1541156114Sps int hdr_cnt; 1542156114Sps uint32_t trailers; 1543156114Sps int trl_cnt; 1544156114Sps}; 1545156114Sps 1546156114Spsstatic int 1547156114Spsfreebsd32_do_sendfile(struct thread *td, 1548156114Sps struct freebsd32_sendfile_args *uap, int compat) 1549104738Speter{ 1550156114Sps struct sendfile_args ap; 1551156114Sps struct sf_hdtr32 hdtr32; 1552156114Sps struct sf_hdtr hdtr; 1553156114Sps struct uio *hdr_uio, *trl_uio; 1554156114Sps struct iovec32 *iov32; 1555156114Sps int error; 1556104738Speter 1557156114Sps hdr_uio = trl_uio = NULL; 1558156114Sps 1559107849Salfred ap.fd = uap->fd; 1560107849Salfred ap.s = uap->s; 1561205014Snwhitehorn ap.offset = PAIR32TO64(off_t,uap->offset); 1562156114Sps ap.nbytes = uap->nbytes; 1563156114Sps ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 1564156114Sps ap.sbytes = uap->sbytes; 1565107849Salfred ap.flags = uap->flags; 1566156114Sps 1567156114Sps if (uap->hdtr != NULL) { 1568156114Sps error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1569156114Sps if (error) 1570156114Sps goto out; 1571156114Sps PTRIN_CP(hdtr32, hdtr, headers); 1572156114Sps CP(hdtr32, hdtr, hdr_cnt); 1573156114Sps PTRIN_CP(hdtr32, hdtr, trailers); 1574156114Sps CP(hdtr32, hdtr, trl_cnt); 1575156114Sps 1576156114Sps if (hdtr.headers != NULL) { 1577160246Sjhb iov32 = PTRIN(hdtr32.headers); 1578156114Sps error = freebsd32_copyinuio(iov32, 1579156114Sps hdtr32.hdr_cnt, &hdr_uio); 1580156114Sps if (error) 1581156114Sps goto out; 1582156114Sps } 1583156114Sps if (hdtr.trailers != NULL) { 1584160246Sjhb iov32 = PTRIN(hdtr32.trailers); 1585156114Sps error = freebsd32_copyinuio(iov32, 1586156114Sps hdtr32.trl_cnt, &trl_uio); 1587156114Sps if (error) 1588156114Sps goto out; 1589156114Sps } 1590156114Sps } 1591156114Sps 1592156114Sps error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 1593156114Spsout: 1594156114Sps if (hdr_uio) 1595156114Sps free(hdr_uio, M_IOV); 1596156114Sps if (trl_uio) 1597156114Sps free(trl_uio, M_IOV); 1598156114Sps return (error); 1599104738Speter} 1600156114Sps 1601156114Sps#ifdef COMPAT_FREEBSD4 1602156114Spsint 1603156114Spsfreebsd4_freebsd32_sendfile(struct thread *td, 1604156114Sps struct freebsd4_freebsd32_sendfile_args *uap) 1605156114Sps{ 1606156114Sps return (freebsd32_do_sendfile(td, 1607156114Sps (struct freebsd32_sendfile_args *)uap, 1)); 1608156114Sps} 1609104738Speter#endif 1610104738Speter 1611104738Speterint 1612119333Speterfreebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1613100384Speter{ 1614100384Speter 1615156114Sps return (freebsd32_do_sendfile(td, uap, 0)); 1616100384Speter} 1617100384Speter 1618100384Speterstatic void 1619210847Skibcopy_stat(struct stat *in, struct stat32 *out) 1620100384Speter{ 1621210847Skib 1622100384Speter CP(*in, *out, st_dev); 1623100384Speter CP(*in, *out, st_ino); 1624100384Speter CP(*in, *out, st_mode); 1625100384Speter CP(*in, *out, st_nlink); 1626100384Speter CP(*in, *out, st_uid); 1627100384Speter CP(*in, *out, st_gid); 1628100384Speter CP(*in, *out, st_rdev); 1629205792Sed TS_CP(*in, *out, st_atim); 1630205792Sed TS_CP(*in, *out, st_mtim); 1631205792Sed TS_CP(*in, *out, st_ctim); 1632100384Speter CP(*in, *out, st_size); 1633100384Speter CP(*in, *out, st_blocks); 1634100384Speter CP(*in, *out, st_blksize); 1635100384Speter CP(*in, *out, st_flags); 1636100384Speter CP(*in, *out, st_gen); 1637210848Skib TS_CP(*in, *out, st_birthtim); 1638100384Speter} 1639100384Speter 1640100384Speterint 1641119333Speterfreebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1642100384Speter{ 1643123746Speter struct stat sb; 1644123746Speter struct stat32 sb32; 1645100384Speter int error; 1646100384Speter 1647142059Sjhb error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1648100384Speter if (error) 1649100384Speter return (error); 1650123746Speter copy_stat(&sb, &sb32); 1651123746Speter error = copyout(&sb32, uap->ub, sizeof (sb32)); 1652100384Speter return (error); 1653100384Speter} 1654100384Speter 1655100384Speterint 1656119333Speterfreebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1657100384Speter{ 1658123746Speter struct stat ub; 1659123746Speter struct stat32 ub32; 1660100384Speter int error; 1661100384Speter 1662142059Sjhb error = kern_fstat(td, uap->fd, &ub); 1663100384Speter if (error) 1664100384Speter return (error); 1665123746Speter copy_stat(&ub, &ub32); 1666123746Speter error = copyout(&ub32, uap->ub, sizeof(ub32)); 1667100384Speter return (error); 1668100384Speter} 1669100384Speter 1670100384Speterint 1671177789Skibfreebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1672177789Skib{ 1673177789Skib struct stat ub; 1674177789Skib struct stat32 ub32; 1675177789Skib int error; 1676177789Skib 1677177789Skib error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1678177789Skib if (error) 1679177789Skib return (error); 1680177789Skib copy_stat(&ub, &ub32); 1681177789Skib error = copyout(&ub32, uap->buf, sizeof(ub32)); 1682177789Skib return (error); 1683177789Skib} 1684177789Skib 1685177789Skibint 1686119333Speterfreebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1687100384Speter{ 1688123746Speter struct stat sb; 1689123746Speter struct stat32 sb32; 1690142059Sjhb int error; 1691100384Speter 1692142059Sjhb error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1693100384Speter if (error) 1694100384Speter return (error); 1695123746Speter copy_stat(&sb, &sb32); 1696123746Speter error = copyout(&sb32, uap->ub, sizeof (sb32)); 1697100384Speter return (error); 1698100384Speter} 1699100384Speter 1700100384Speter/* 1701100384Speter * MPSAFE 1702100384Speter */ 1703100384Speterint 1704119333Speterfreebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1705100384Speter{ 1706100384Speter int error, name[CTL_MAXNAME]; 1707100384Speter size_t j, oldlen; 1708100384Speter 1709100384Speter if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1710100384Speter return (EINVAL); 1711136404Speter error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1712100384Speter if (error) 1713100384Speter return (error); 1714100384Speter if (uap->oldlenp) 1715100384Speter oldlen = fuword32(uap->oldlenp); 1716100384Speter else 1717100384Speter oldlen = 0; 1718100384Speter error = userland_sysctl(td, name, uap->namelen, 1719100384Speter uap->old, &oldlen, 1, 1720136404Speter uap->new, uap->newlen, &j, SCTL_MASK32); 1721100384Speter if (error && error != ENOMEM) 1722186564Sed return (error); 1723136404Speter if (uap->oldlenp) 1724100384Speter suword32(uap->oldlenp, j); 1725186564Sed return (0); 1726100384Speter} 1727100384Speter 1728100384Speterint 1729185435Sbzfreebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1730185435Sbz{ 1731185435Sbz uint32_t version; 1732185435Sbz int error; 1733192895Sjamie struct jail j; 1734185435Sbz 1735185435Sbz error = copyin(uap->jail, &version, sizeof(uint32_t)); 1736185435Sbz if (error) 1737185435Sbz return (error); 1738190466Sjamie 1739185435Sbz switch (version) { 1740190466Sjamie case 0: 1741185435Sbz { 1742185435Sbz /* FreeBSD single IPv4 jails. */ 1743185435Sbz struct jail32_v0 j32_v0; 1744185435Sbz 1745192895Sjamie bzero(&j, sizeof(struct jail)); 1746185435Sbz error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1747185435Sbz if (error) 1748185435Sbz return (error); 1749192895Sjamie CP(j32_v0, j, version); 1750192895Sjamie PTRIN_CP(j32_v0, j, path); 1751192895Sjamie PTRIN_CP(j32_v0, j, hostname); 1752192895Sjamie j.ip4s = j32_v0.ip_number; 1753185435Sbz break; 1754185435Sbz } 1755185435Sbz 1756185435Sbz case 1: 1757185435Sbz /* 1758185435Sbz * Version 1 was used by multi-IPv4 jail implementations 1759185435Sbz * that never made it into the official kernel. 1760185435Sbz */ 1761185435Sbz return (EINVAL); 1762185435Sbz 1763185435Sbz case 2: /* JAIL_API_VERSION */ 1764185435Sbz { 1765185435Sbz /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1766185435Sbz struct jail32 j32; 1767185435Sbz 1768185435Sbz error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1769185435Sbz if (error) 1770185435Sbz return (error); 1771192895Sjamie CP(j32, j, version); 1772192895Sjamie PTRIN_CP(j32, j, path); 1773192895Sjamie PTRIN_CP(j32, j, hostname); 1774192895Sjamie PTRIN_CP(j32, j, jailname); 1775192895Sjamie CP(j32, j, ip4s); 1776192895Sjamie CP(j32, j, ip6s); 1777192895Sjamie PTRIN_CP(j32, j, ip4); 1778192895Sjamie PTRIN_CP(j32, j, ip6); 1779185435Sbz break; 1780185435Sbz } 1781185435Sbz 1782185435Sbz default: 1783185435Sbz /* Sci-Fi jails are not supported, sorry. */ 1784185435Sbz return (EINVAL); 1785185435Sbz } 1786192895Sjamie return (kern_jail(td, &j)); 1787185435Sbz} 1788185435Sbz 1789185435Sbzint 1790191673Sjamiefreebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1791191673Sjamie{ 1792191673Sjamie struct uio *auio; 1793191673Sjamie int error; 1794191673Sjamie 1795191673Sjamie /* Check that we have an even number of iovecs. */ 1796191673Sjamie if (uap->iovcnt & 1) 1797191673Sjamie return (EINVAL); 1798191673Sjamie 1799191673Sjamie error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1800191673Sjamie if (error) 1801191673Sjamie return (error); 1802191673Sjamie error = kern_jail_set(td, auio, uap->flags); 1803191673Sjamie free(auio, M_IOV); 1804191673Sjamie return (error); 1805191673Sjamie} 1806191673Sjamie 1807191673Sjamieint 1808191673Sjamiefreebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1809191673Sjamie{ 1810191673Sjamie struct iovec32 iov32; 1811191673Sjamie struct uio *auio; 1812191673Sjamie int error, i; 1813191673Sjamie 1814191673Sjamie /* Check that we have an even number of iovecs. */ 1815191673Sjamie if (uap->iovcnt & 1) 1816191673Sjamie return (EINVAL); 1817191673Sjamie 1818191673Sjamie error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1819191673Sjamie if (error) 1820191673Sjamie return (error); 1821191673Sjamie error = kern_jail_get(td, auio, uap->flags); 1822191673Sjamie if (error == 0) 1823191673Sjamie for (i = 0; i < uap->iovcnt; i++) { 1824191673Sjamie PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 1825191673Sjamie CP(auio->uio_iov[i], iov32, iov_len); 1826191673Sjamie error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 1827191673Sjamie if (error != 0) 1828191673Sjamie break; 1829191673Sjamie } 1830191673Sjamie free(auio, M_IOV); 1831191673Sjamie return (error); 1832191673Sjamie} 1833191673Sjamie 1834191673Sjamieint 1835119333Speterfreebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 1836100384Speter{ 1837113859Sjhb struct sigaction32 s32; 1838113859Sjhb struct sigaction sa, osa, *sap; 1839100384Speter int error; 1840100384Speter 1841113859Sjhb if (uap->act) { 1842113859Sjhb error = copyin(uap->act, &s32, sizeof(s32)); 1843100384Speter if (error) 1844100384Speter return (error); 1845113859Sjhb sa.sa_handler = PTRIN(s32.sa_u); 1846113859Sjhb CP(s32, sa, sa_flags); 1847113859Sjhb CP(s32, sa, sa_mask); 1848113859Sjhb sap = &sa; 1849113859Sjhb } else 1850113859Sjhb sap = NULL; 1851113859Sjhb error = kern_sigaction(td, uap->sig, sap, &osa, 0); 1852146583Sps if (error == 0 && uap->oact != NULL) { 1853113859Sjhb s32.sa_u = PTROUT(osa.sa_handler); 1854113859Sjhb CP(osa, s32, sa_flags); 1855113859Sjhb CP(osa, s32, sa_mask); 1856113859Sjhb error = copyout(&s32, uap->oact, sizeof(s32)); 1857100384Speter } 1858100384Speter return (error); 1859100384Speter} 1860100384Speter 1861114987Speter#ifdef COMPAT_FREEBSD4 1862114987Speterint 1863119333Speterfreebsd4_freebsd32_sigaction(struct thread *td, 1864119333Speter struct freebsd4_freebsd32_sigaction_args *uap) 1865114987Speter{ 1866114987Speter struct sigaction32 s32; 1867114987Speter struct sigaction sa, osa, *sap; 1868114987Speter int error; 1869114987Speter 1870114987Speter if (uap->act) { 1871114987Speter error = copyin(uap->act, &s32, sizeof(s32)); 1872114987Speter if (error) 1873114987Speter return (error); 1874114987Speter sa.sa_handler = PTRIN(s32.sa_u); 1875114987Speter CP(s32, sa, sa_flags); 1876114987Speter CP(s32, sa, sa_mask); 1877114987Speter sap = &sa; 1878114987Speter } else 1879114987Speter sap = NULL; 1880114987Speter error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 1881146583Sps if (error == 0 && uap->oact != NULL) { 1882114987Speter s32.sa_u = PTROUT(osa.sa_handler); 1883114987Speter CP(osa, s32, sa_flags); 1884114987Speter CP(osa, s32, sa_mask); 1885114987Speter error = copyout(&s32, uap->oact, sizeof(s32)); 1886114987Speter } 1887114987Speter return (error); 1888114987Speter} 1889114987Speter#endif 1890114987Speter 1891151582Sps#ifdef COMPAT_43 1892151720Speterstruct osigaction32 { 1893151582Sps u_int32_t sa_u; 1894151582Sps osigset_t sa_mask; 1895151582Sps int sa_flags; 1896151582Sps}; 1897151582Sps 1898151582Sps#define ONSIG 32 1899151582Sps 1900140481Spsint 1901151720Speterofreebsd32_sigaction(struct thread *td, 1902151720Speter struct ofreebsd32_sigaction_args *uap) 1903151582Sps{ 1904151720Speter struct osigaction32 s32; 1905151582Sps struct sigaction sa, osa, *sap; 1906151582Sps int error; 1907151582Sps 1908151582Sps if (uap->signum <= 0 || uap->signum >= ONSIG) 1909151582Sps return (EINVAL); 1910151582Sps 1911151582Sps if (uap->nsa) { 1912151582Sps error = copyin(uap->nsa, &s32, sizeof(s32)); 1913151582Sps if (error) 1914151582Sps return (error); 1915151582Sps sa.sa_handler = PTRIN(s32.sa_u); 1916151582Sps CP(s32, sa, sa_flags); 1917151582Sps OSIG2SIG(s32.sa_mask, sa.sa_mask); 1918151582Sps sap = &sa; 1919151582Sps } else 1920151582Sps sap = NULL; 1921151582Sps error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 1922151582Sps if (error == 0 && uap->osa != NULL) { 1923151582Sps s32.sa_u = PTROUT(osa.sa_handler); 1924151582Sps CP(osa, s32, sa_flags); 1925151582Sps SIG2OSIG(osa.sa_mask, s32.sa_mask); 1926151582Sps error = copyout(&s32, uap->osa, sizeof(s32)); 1927151582Sps } 1928151582Sps return (error); 1929151582Sps} 1930151582Sps 1931151582Spsint 1932151720Speterofreebsd32_sigprocmask(struct thread *td, 1933151720Speter struct ofreebsd32_sigprocmask_args *uap) 1934151582Sps{ 1935151582Sps sigset_t set, oset; 1936151582Sps int error; 1937151582Sps 1938151582Sps OSIG2SIG(uap->mask, set); 1939198507Skib error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 1940151582Sps SIG2OSIG(oset, td->td_retval[0]); 1941151582Sps return (error); 1942151582Sps} 1943151582Sps 1944151582Spsint 1945151720Speterofreebsd32_sigpending(struct thread *td, 1946151720Speter struct ofreebsd32_sigpending_args *uap) 1947151582Sps{ 1948151582Sps struct proc *p = td->td_proc; 1949151582Sps sigset_t siglist; 1950151582Sps 1951151582Sps PROC_LOCK(p); 1952151582Sps siglist = p->p_siglist; 1953151582Sps SIGSETOR(siglist, td->td_siglist); 1954151582Sps PROC_UNLOCK(p); 1955151582Sps SIG2OSIG(siglist, td->td_retval[0]); 1956151582Sps return (0); 1957151582Sps} 1958151582Sps 1959151582Spsstruct sigvec32 { 1960151582Sps u_int32_t sv_handler; 1961151582Sps int sv_mask; 1962151582Sps int sv_flags; 1963151582Sps}; 1964151582Sps 1965151582Spsint 1966151720Speterofreebsd32_sigvec(struct thread *td, 1967151720Speter struct ofreebsd32_sigvec_args *uap) 1968151582Sps{ 1969151582Sps struct sigvec32 vec; 1970151582Sps struct sigaction sa, osa, *sap; 1971151582Sps int error; 1972151582Sps 1973151582Sps if (uap->signum <= 0 || uap->signum >= ONSIG) 1974151582Sps return (EINVAL); 1975151582Sps 1976151582Sps if (uap->nsv) { 1977151582Sps error = copyin(uap->nsv, &vec, sizeof(vec)); 1978151582Sps if (error) 1979151582Sps return (error); 1980151582Sps sa.sa_handler = PTRIN(vec.sv_handler); 1981151582Sps OSIG2SIG(vec.sv_mask, sa.sa_mask); 1982151582Sps sa.sa_flags = vec.sv_flags; 1983151582Sps sa.sa_flags ^= SA_RESTART; 1984151582Sps sap = &sa; 1985151582Sps } else 1986151582Sps sap = NULL; 1987151582Sps error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 1988151582Sps if (error == 0 && uap->osv != NULL) { 1989151582Sps vec.sv_handler = PTROUT(osa.sa_handler); 1990151582Sps SIG2OSIG(osa.sa_mask, vec.sv_mask); 1991151582Sps vec.sv_flags = osa.sa_flags; 1992151582Sps vec.sv_flags &= ~SA_NOCLDWAIT; 1993151582Sps vec.sv_flags ^= SA_RESTART; 1994151582Sps error = copyout(&vec, uap->osv, sizeof(vec)); 1995151582Sps } 1996151582Sps return (error); 1997151582Sps} 1998151582Sps 1999151582Spsint 2000151720Speterofreebsd32_sigblock(struct thread *td, 2001151720Speter struct ofreebsd32_sigblock_args *uap) 2002151582Sps{ 2003198507Skib sigset_t set, oset; 2004151582Sps 2005151582Sps OSIG2SIG(uap->mask, set); 2006198507Skib kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2007198507Skib SIG2OSIG(oset, td->td_retval[0]); 2008151582Sps return (0); 2009151582Sps} 2010151582Sps 2011151582Spsint 2012151720Speterofreebsd32_sigsetmask(struct thread *td, 2013151720Speter struct ofreebsd32_sigsetmask_args *uap) 2014151582Sps{ 2015198507Skib sigset_t set, oset; 2016151582Sps 2017151582Sps OSIG2SIG(uap->mask, set); 2018198507Skib kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2019198507Skib SIG2OSIG(oset, td->td_retval[0]); 2020151582Sps return (0); 2021151582Sps} 2022151582Sps 2023151582Spsint 2024151720Speterofreebsd32_sigsuspend(struct thread *td, 2025151720Speter struct ofreebsd32_sigsuspend_args *uap) 2026151582Sps{ 2027151582Sps sigset_t mask; 2028151582Sps 2029151582Sps OSIG2SIG(uap->mask, mask); 2030198506Skib return (kern_sigsuspend(td, mask)); 2031151582Sps} 2032151582Sps 2033151582Spsstruct sigstack32 { 2034151582Sps u_int32_t ss_sp; 2035151582Sps int ss_onstack; 2036151582Sps}; 2037151582Sps 2038151582Spsint 2039151720Speterofreebsd32_sigstack(struct thread *td, 2040151720Speter struct ofreebsd32_sigstack_args *uap) 2041151582Sps{ 2042151582Sps struct sigstack32 s32; 2043151582Sps struct sigstack nss, oss; 2044170870Smjacob int error = 0, unss; 2045151582Sps 2046151582Sps if (uap->nss != NULL) { 2047151582Sps error = copyin(uap->nss, &s32, sizeof(s32)); 2048151582Sps if (error) 2049151582Sps return (error); 2050151582Sps nss.ss_sp = PTRIN(s32.ss_sp); 2051151582Sps CP(s32, nss, ss_onstack); 2052170870Smjacob unss = 1; 2053170870Smjacob } else { 2054170870Smjacob unss = 0; 2055151582Sps } 2056151582Sps oss.ss_sp = td->td_sigstk.ss_sp; 2057151582Sps oss.ss_onstack = sigonstack(cpu_getstack(td)); 2058170870Smjacob if (unss) { 2059151582Sps td->td_sigstk.ss_sp = nss.ss_sp; 2060151582Sps td->td_sigstk.ss_size = 0; 2061170870Smjacob td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2062151582Sps td->td_pflags |= TDP_ALTSTACK; 2063151582Sps } 2064151582Sps if (uap->oss != NULL) { 2065151582Sps s32.ss_sp = PTROUT(oss.ss_sp); 2066151582Sps CP(oss, s32, ss_onstack); 2067151582Sps error = copyout(&s32, uap->oss, sizeof(s32)); 2068151582Sps } 2069151582Sps return (error); 2070151582Sps} 2071151582Sps#endif 2072151582Sps 2073151582Spsint 2074140481Spsfreebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2075140481Sps{ 2076140481Sps struct timespec32 rmt32, rqt32; 2077140481Sps struct timespec rmt, rqt; 2078140481Sps int error; 2079140481Sps 2080151355Sps error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2081140481Sps if (error) 2082140481Sps return (error); 2083140481Sps 2084140481Sps CP(rqt32, rqt, tv_sec); 2085140481Sps CP(rqt32, rqt, tv_nsec); 2086140481Sps 2087140481Sps if (uap->rmtp && 2088140481Sps !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2089140481Sps return (EFAULT); 2090140481Sps error = kern_nanosleep(td, &rqt, &rmt); 2091140481Sps if (error && uap->rmtp) { 2092140481Sps int error2; 2093140481Sps 2094140481Sps CP(rmt, rmt32, tv_sec); 2095140481Sps CP(rmt, rmt32, tv_nsec); 2096140481Sps 2097151355Sps error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2098140481Sps if (error2) 2099140481Sps error = error2; 2100140481Sps } 2101140481Sps return (error); 2102140481Sps} 2103140481Sps 2104151357Spsint 2105151357Spsfreebsd32_clock_gettime(struct thread *td, 2106151357Sps struct freebsd32_clock_gettime_args *uap) 2107151357Sps{ 2108151357Sps struct timespec ats; 2109151357Sps struct timespec32 ats32; 2110151357Sps int error; 2111151357Sps 2112151357Sps error = kern_clock_gettime(td, uap->clock_id, &ats); 2113151357Sps if (error == 0) { 2114151357Sps CP(ats, ats32, tv_sec); 2115151357Sps CP(ats, ats32, tv_nsec); 2116151357Sps error = copyout(&ats32, uap->tp, sizeof(ats32)); 2117151357Sps } 2118151357Sps return (error); 2119151357Sps} 2120151357Sps 2121151357Spsint 2122151357Spsfreebsd32_clock_settime(struct thread *td, 2123151357Sps struct freebsd32_clock_settime_args *uap) 2124151357Sps{ 2125151357Sps struct timespec ats; 2126151357Sps struct timespec32 ats32; 2127151357Sps int error; 2128151357Sps 2129151357Sps error = copyin(uap->tp, &ats32, sizeof(ats32)); 2130151357Sps if (error) 2131151357Sps return (error); 2132151357Sps CP(ats32, ats, tv_sec); 2133151357Sps CP(ats32, ats, tv_nsec); 2134151357Sps 2135151357Sps return (kern_clock_settime(td, uap->clock_id, &ats)); 2136151357Sps} 2137151357Sps 2138151357Spsint 2139151357Spsfreebsd32_clock_getres(struct thread *td, 2140151357Sps struct freebsd32_clock_getres_args *uap) 2141151357Sps{ 2142151357Sps struct timespec ts; 2143151357Sps struct timespec32 ts32; 2144151357Sps int error; 2145151357Sps 2146151357Sps if (uap->tp == NULL) 2147151357Sps return (0); 2148151357Sps error = kern_clock_getres(td, uap->clock_id, &ts); 2149151357Sps if (error == 0) { 2150151357Sps CP(ts, ts32, tv_sec); 2151151357Sps CP(ts, ts32, tv_nsec); 2152151357Sps error = copyout(&ts32, uap->tp, sizeof(ts32)); 2153151357Sps } 2154151357Sps return (error); 2155151357Sps} 2156151357Sps 2157162551Sdavidxuint 2158162551Sdavidxufreebsd32_thr_new(struct thread *td, 2159162551Sdavidxu struct freebsd32_thr_new_args *uap) 2160162551Sdavidxu{ 2161162551Sdavidxu struct thr_param32 param32; 2162162551Sdavidxu struct thr_param param; 2163162551Sdavidxu int error; 2164162551Sdavidxu 2165162551Sdavidxu if (uap->param_size < 0 || 2166162551Sdavidxu uap->param_size > sizeof(struct thr_param32)) 2167162551Sdavidxu return (EINVAL); 2168162551Sdavidxu bzero(¶m, sizeof(struct thr_param)); 2169162551Sdavidxu bzero(¶m32, sizeof(struct thr_param32)); 2170162551Sdavidxu error = copyin(uap->param, ¶m32, uap->param_size); 2171162551Sdavidxu if (error != 0) 2172162551Sdavidxu return (error); 2173162551Sdavidxu param.start_func = PTRIN(param32.start_func); 2174162551Sdavidxu param.arg = PTRIN(param32.arg); 2175162551Sdavidxu param.stack_base = PTRIN(param32.stack_base); 2176162551Sdavidxu param.stack_size = param32.stack_size; 2177162551Sdavidxu param.tls_base = PTRIN(param32.tls_base); 2178162551Sdavidxu param.tls_size = param32.tls_size; 2179162551Sdavidxu param.child_tid = PTRIN(param32.child_tid); 2180162551Sdavidxu param.parent_tid = PTRIN(param32.parent_tid); 2181162551Sdavidxu param.flags = param32.flags; 2182162551Sdavidxu param.rtp = PTRIN(param32.rtp); 2183162551Sdavidxu param.spare[0] = PTRIN(param32.spare[0]); 2184162551Sdavidxu param.spare[1] = PTRIN(param32.spare[1]); 2185162551Sdavidxu param.spare[2] = PTRIN(param32.spare[2]); 2186162551Sdavidxu 2187162551Sdavidxu return (kern_thr_new(td, ¶m)); 2188162551Sdavidxu} 2189162551Sdavidxu 2190162551Sdavidxuint 2191162551Sdavidxufreebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2192162551Sdavidxu{ 2193162551Sdavidxu struct timespec32 ts32; 2194162551Sdavidxu struct timespec ts, *tsp; 2195162551Sdavidxu int error; 2196162551Sdavidxu 2197162551Sdavidxu error = 0; 2198162551Sdavidxu tsp = NULL; 2199162551Sdavidxu if (uap->timeout != NULL) { 2200162551Sdavidxu error = copyin((const void *)uap->timeout, (void *)&ts32, 2201162551Sdavidxu sizeof(struct timespec32)); 2202162551Sdavidxu if (error != 0) 2203162551Sdavidxu return (error); 2204162551Sdavidxu ts.tv_sec = ts32.tv_sec; 2205162551Sdavidxu ts.tv_nsec = ts32.tv_nsec; 2206162551Sdavidxu tsp = &ts; 2207162551Sdavidxu } 2208162551Sdavidxu return (kern_thr_suspend(td, tsp)); 2209162551Sdavidxu} 2210162551Sdavidxu 2211163018Sdavidxuvoid 2212209687Skibsiginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2213163018Sdavidxu{ 2214163018Sdavidxu bzero(dst, sizeof(*dst)); 2215163018Sdavidxu dst->si_signo = src->si_signo; 2216163018Sdavidxu dst->si_errno = src->si_errno; 2217163018Sdavidxu dst->si_code = src->si_code; 2218163018Sdavidxu dst->si_pid = src->si_pid; 2219163018Sdavidxu dst->si_uid = src->si_uid; 2220163018Sdavidxu dst->si_status = src->si_status; 2221184829Speter dst->si_addr = (uintptr_t)src->si_addr; 2222163018Sdavidxu dst->si_value.sigval_int = src->si_value.sival_int; 2223163018Sdavidxu dst->si_timerid = src->si_timerid; 2224163018Sdavidxu dst->si_overrun = src->si_overrun; 2225163018Sdavidxu} 2226163018Sdavidxu 2227163018Sdavidxuint 2228163018Sdavidxufreebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2229163018Sdavidxu{ 2230163018Sdavidxu struct timespec32 ts32; 2231163018Sdavidxu struct timespec ts; 2232163018Sdavidxu struct timespec *timeout; 2233163018Sdavidxu sigset_t set; 2234163018Sdavidxu ksiginfo_t ksi; 2235163018Sdavidxu struct siginfo32 si32; 2236163018Sdavidxu int error; 2237163018Sdavidxu 2238163018Sdavidxu if (uap->timeout) { 2239163018Sdavidxu error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2240163018Sdavidxu if (error) 2241163018Sdavidxu return (error); 2242163018Sdavidxu ts.tv_sec = ts32.tv_sec; 2243163018Sdavidxu ts.tv_nsec = ts32.tv_nsec; 2244163018Sdavidxu timeout = &ts; 2245163018Sdavidxu } else 2246163018Sdavidxu timeout = NULL; 2247163018Sdavidxu 2248163018Sdavidxu error = copyin(uap->set, &set, sizeof(set)); 2249163018Sdavidxu if (error) 2250163018Sdavidxu return (error); 2251163018Sdavidxu 2252163018Sdavidxu error = kern_sigtimedwait(td, set, &ksi, timeout); 2253163018Sdavidxu if (error) 2254163018Sdavidxu return (error); 2255163018Sdavidxu 2256163018Sdavidxu if (uap->info) { 2257163018Sdavidxu siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2258163018Sdavidxu error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2259163018Sdavidxu } 2260163018Sdavidxu 2261163018Sdavidxu if (error == 0) 2262163018Sdavidxu td->td_retval[0] = ksi.ksi_signo; 2263163018Sdavidxu return (error); 2264163018Sdavidxu} 2265163018Sdavidxu 2266163018Sdavidxu/* 2267163018Sdavidxu * MPSAFE 2268163018Sdavidxu */ 2269163018Sdavidxuint 2270163018Sdavidxufreebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2271163018Sdavidxu{ 2272163018Sdavidxu ksiginfo_t ksi; 2273163018Sdavidxu struct siginfo32 si32; 2274163018Sdavidxu sigset_t set; 2275163018Sdavidxu int error; 2276163018Sdavidxu 2277163018Sdavidxu error = copyin(uap->set, &set, sizeof(set)); 2278163018Sdavidxu if (error) 2279163018Sdavidxu return (error); 2280163018Sdavidxu 2281163018Sdavidxu error = kern_sigtimedwait(td, set, &ksi, NULL); 2282163018Sdavidxu if (error) 2283163018Sdavidxu return (error); 2284163018Sdavidxu 2285163018Sdavidxu if (uap->info) { 2286163018Sdavidxu siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2287163018Sdavidxu error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2288163018Sdavidxu } 2289163018Sdavidxu if (error == 0) 2290163018Sdavidxu td->td_retval[0] = ksi.ksi_signo; 2291163018Sdavidxu return (error); 2292163018Sdavidxu} 2293163018Sdavidxu 2294180433Sbrooksint 2295180433Sbrooksfreebsd32_cpuset_setid(struct thread *td, 2296180433Sbrooks struct freebsd32_cpuset_setid_args *uap) 2297180433Sbrooks{ 2298180433Sbrooks struct cpuset_setid_args ap; 2299180433Sbrooks 2300180433Sbrooks ap.which = uap->which; 2301205014Snwhitehorn ap.id = PAIR32TO64(id_t,uap->id); 2302180433Sbrooks ap.setid = uap->setid; 2303180433Sbrooks 2304180436Sbrooks return (cpuset_setid(td, &ap)); 2305180433Sbrooks} 2306180433Sbrooks 2307180433Sbrooksint 2308180433Sbrooksfreebsd32_cpuset_getid(struct thread *td, 2309180433Sbrooks struct freebsd32_cpuset_getid_args *uap) 2310180433Sbrooks{ 2311180433Sbrooks struct cpuset_getid_args ap; 2312180433Sbrooks 2313180433Sbrooks ap.level = uap->level; 2314180433Sbrooks ap.which = uap->which; 2315205014Snwhitehorn ap.id = PAIR32TO64(id_t,uap->id); 2316180433Sbrooks ap.setid = uap->setid; 2317180433Sbrooks 2318180436Sbrooks return (cpuset_getid(td, &ap)); 2319180433Sbrooks} 2320180433Sbrooks 2321180433Sbrooksint 2322180433Sbrooksfreebsd32_cpuset_getaffinity(struct thread *td, 2323180433Sbrooks struct freebsd32_cpuset_getaffinity_args *uap) 2324180433Sbrooks{ 2325180433Sbrooks struct cpuset_getaffinity_args ap; 2326180433Sbrooks 2327180433Sbrooks ap.level = uap->level; 2328180433Sbrooks ap.which = uap->which; 2329205014Snwhitehorn ap.id = PAIR32TO64(id_t,uap->id); 2330180433Sbrooks ap.cpusetsize = uap->cpusetsize; 2331180433Sbrooks ap.mask = uap->mask; 2332180433Sbrooks 2333180436Sbrooks return (cpuset_getaffinity(td, &ap)); 2334180433Sbrooks} 2335180433Sbrooks 2336180433Sbrooksint 2337180433Sbrooksfreebsd32_cpuset_setaffinity(struct thread *td, 2338180433Sbrooks struct freebsd32_cpuset_setaffinity_args *uap) 2339180433Sbrooks{ 2340180433Sbrooks struct cpuset_setaffinity_args ap; 2341180433Sbrooks 2342180433Sbrooks ap.level = uap->level; 2343180433Sbrooks ap.which = uap->which; 2344205014Snwhitehorn ap.id = PAIR32TO64(id_t,uap->id); 2345180433Sbrooks ap.cpusetsize = uap->cpusetsize; 2346180433Sbrooks ap.mask = uap->mask; 2347180433Sbrooks 2348180436Sbrooks return (cpuset_setaffinity(td, &ap)); 2349180433Sbrooks} 2350180433Sbrooks 2351183188Sobrienint 2352183188Sobrienfreebsd32_nmount(struct thread *td, 2353183188Sobrien struct freebsd32_nmount_args /* { 2354183188Sobrien struct iovec *iovp; 2355183188Sobrien unsigned int iovcnt; 2356183188Sobrien int flags; 2357183188Sobrien } */ *uap) 2358183188Sobrien{ 2359183188Sobrien struct uio *auio; 2360189290Sjamie int error; 2361183188Sobrien 2362195104Srwatson AUDIT_ARG_FFLAGS(uap->flags); 2363183188Sobrien 2364183188Sobrien /* 2365183188Sobrien * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2366183188Sobrien * userspace to set this flag, but we must filter it out if we want 2367183188Sobrien * MNT_UPDATE on the root file system to work. 2368215747Spluknet * MNT_ROOTFS should only be set by the kernel when mounting its 2369215747Spluknet * root file system. 2370183188Sobrien */ 2371183188Sobrien uap->flags &= ~MNT_ROOTFS; 2372183188Sobrien 2373183188Sobrien /* 2374183188Sobrien * check that we have an even number of iovec's 2375183188Sobrien * and that we have at least two options. 2376183188Sobrien */ 2377183188Sobrien if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2378183188Sobrien return (EINVAL); 2379183188Sobrien 2380183188Sobrien error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2381183188Sobrien if (error) 2382183188Sobrien return (error); 2383189290Sjamie error = vfs_donmount(td, uap->flags, auio); 2384183188Sobrien 2385183188Sobrien free(auio, M_IOV); 2386183188Sobrien return error; 2387183188Sobrien} 2388183188Sobrien 2389100384Speter#if 0 2390100384Speterint 2391119333Speterfreebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2392100384Speter{ 2393100384Speter struct yyy32 *p32, s32; 2394100384Speter struct yyy *p = NULL, s; 2395183044Sobrien struct xxx_arg ap; 2396183044Sobrien int error; 2397100384Speter 2398147654Sjhb if (uap->zzz) { 2399147654Sjhb error = copyin(uap->zzz, &s32, sizeof(s32)); 2400100384Speter if (error) 2401100384Speter return (error); 2402100384Speter /* translate in */ 2403147654Sjhb p = &s; 2404100384Speter } 2405147654Sjhb error = kern_xxx(td, p); 2406100384Speter if (error) 2407100384Speter return (error); 2408147654Sjhb if (uap->zzz) { 2409100384Speter /* translate out */ 2410100384Speter error = copyout(&s32, p32, sizeof(s32)); 2411100384Speter } 2412100384Speter return (error); 2413100384Speter} 2414100384Speter#endif 2415183365Sjhb 2416183365Sjhbint 2417183365Sjhbsyscall32_register(int *offset, struct sysent *new_sysent, 2418183365Sjhb struct sysent *old_sysent) 2419183365Sjhb{ 2420183365Sjhb if (*offset == NO_SYSCALL) { 2421183365Sjhb int i; 2422183365Sjhb 2423183365Sjhb for (i = 1; i < SYS_MAXSYSCALL; ++i) 2424183365Sjhb if (freebsd32_sysent[i].sy_call == 2425183365Sjhb (sy_call_t *)lkmnosys) 2426183365Sjhb break; 2427183365Sjhb if (i == SYS_MAXSYSCALL) 2428183365Sjhb return (ENFILE); 2429183365Sjhb *offset = i; 2430183365Sjhb } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2431183365Sjhb return (EINVAL); 2432183365Sjhb else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2433183365Sjhb freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2434183365Sjhb return (EEXIST); 2435183365Sjhb 2436183365Sjhb *old_sysent = freebsd32_sysent[*offset]; 2437183365Sjhb freebsd32_sysent[*offset] = *new_sysent; 2438183365Sjhb return 0; 2439183365Sjhb} 2440183365Sjhb 2441183365Sjhbint 2442183365Sjhbsyscall32_deregister(int *offset, struct sysent *old_sysent) 2443183365Sjhb{ 2444183365Sjhb 2445183365Sjhb if (*offset) 2446183365Sjhb freebsd32_sysent[*offset] = *old_sysent; 2447183365Sjhb return 0; 2448183365Sjhb} 2449183365Sjhb 2450183365Sjhbint 2451183365Sjhbsyscall32_module_handler(struct module *mod, int what, void *arg) 2452183365Sjhb{ 2453183365Sjhb struct syscall_module_data *data = (struct syscall_module_data*)arg; 2454183365Sjhb modspecific_t ms; 2455183365Sjhb int error; 2456183365Sjhb 2457183365Sjhb switch (what) { 2458183365Sjhb case MOD_LOAD: 2459183365Sjhb error = syscall32_register(data->offset, data->new_sysent, 2460183365Sjhb &data->old_sysent); 2461183365Sjhb if (error) { 2462183365Sjhb /* Leave a mark so we know to safely unload below. */ 2463183365Sjhb data->offset = NULL; 2464183365Sjhb return error; 2465183365Sjhb } 2466183365Sjhb ms.intval = *data->offset; 2467183365Sjhb MOD_XLOCK; 2468183365Sjhb module_setspecific(mod, &ms); 2469183365Sjhb MOD_XUNLOCK; 2470183365Sjhb if (data->chainevh) 2471183365Sjhb error = data->chainevh(mod, what, data->chainarg); 2472183365Sjhb return (error); 2473183365Sjhb case MOD_UNLOAD: 2474183365Sjhb /* 2475183365Sjhb * MOD_LOAD failed, so just return without calling the 2476183365Sjhb * chained handler since we didn't pass along the MOD_LOAD 2477183365Sjhb * event. 2478183365Sjhb */ 2479183365Sjhb if (data->offset == NULL) 2480183365Sjhb return (0); 2481183365Sjhb if (data->chainevh) { 2482183365Sjhb error = data->chainevh(mod, what, data->chainarg); 2483183365Sjhb if (error) 2484183365Sjhb return (error); 2485183365Sjhb } 2486185589Sjhb error = syscall32_deregister(data->offset, &data->old_sysent); 2487183365Sjhb return (error); 2488183365Sjhb default: 2489183365Sjhb error = EOPNOTSUPP; 2490183365Sjhb if (data->chainevh) 2491183365Sjhb error = data->chainevh(mod, what, data->chainarg); 2492183365Sjhb return (error); 2493183365Sjhb } 2494183365Sjhb} 2495205014Snwhitehorn 2496205321Skibint 2497205321Skibsyscall32_helper_register(struct syscall_helper_data *sd) 2498205321Skib{ 2499205321Skib struct syscall_helper_data *sd1; 2500205321Skib int error; 2501205321Skib 2502205321Skib for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2503205321Skib error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2504205321Skib &sd1->old_sysent); 2505205321Skib if (error != 0) { 2506205321Skib syscall32_helper_unregister(sd); 2507205321Skib return (error); 2508205321Skib } 2509205321Skib sd1->registered = 1; 2510205321Skib } 2511205321Skib return (0); 2512205321Skib} 2513205321Skib 2514205321Skibint 2515205321Skibsyscall32_helper_unregister(struct syscall_helper_data *sd) 2516205321Skib{ 2517205321Skib struct syscall_helper_data *sd1; 2518205321Skib 2519205321Skib for (sd1 = sd; sd1->registered != 0; sd1++) { 2520205321Skib syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2521205321Skib sd1->registered = 0; 2522205321Skib } 2523205321Skib return (0); 2524205321Skib} 2525205321Skib 2526205014Snwhitehornregister_t * 2527205014Snwhitehornfreebsd32_copyout_strings(struct image_params *imgp) 2528205014Snwhitehorn{ 2529211412Skib int argc, envc, i; 2530205014Snwhitehorn u_int32_t *vectp; 2531205014Snwhitehorn char *stringp, *destp; 2532205014Snwhitehorn u_int32_t *stack_base; 2533205014Snwhitehorn struct freebsd32_ps_strings *arginfo; 2534211412Skib char canary[sizeof(long) * 8]; 2535211412Skib int32_t pagesizes32[MAXPAGESIZES]; 2536205014Snwhitehorn size_t execpath_len; 2537205014Snwhitehorn int szsigcode; 2538205014Snwhitehorn 2539205014Snwhitehorn /* 2540205014Snwhitehorn * Calculate string base and vector table pointers. 2541205014Snwhitehorn * Also deal with signal trampoline code for this exec type. 2542205014Snwhitehorn */ 2543205014Snwhitehorn if (imgp->execpath != NULL && imgp->auxargs != NULL) 2544205014Snwhitehorn execpath_len = strlen(imgp->execpath) + 1; 2545205014Snwhitehorn else 2546205014Snwhitehorn execpath_len = 0; 2547211006Skib arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2548211006Skib sv_psstrings; 2549217151Skib if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2550217151Skib szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2551217151Skib else 2552217151Skib szsigcode = 0; 2553205014Snwhitehorn destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 2554211412Skib roundup(execpath_len, sizeof(char *)) - 2555211412Skib roundup(sizeof(canary), sizeof(char *)) - 2556211412Skib roundup(sizeof(pagesizes32), sizeof(char *)) - 2557211412Skib roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 2558205014Snwhitehorn 2559205014Snwhitehorn /* 2560205014Snwhitehorn * install sigcode 2561205014Snwhitehorn */ 2562217151Skib if (szsigcode != 0) 2563205014Snwhitehorn copyout(imgp->proc->p_sysent->sv_sigcode, 2564205014Snwhitehorn ((caddr_t)arginfo - szsigcode), szsigcode); 2565205014Snwhitehorn 2566205014Snwhitehorn /* 2567205014Snwhitehorn * Copy the image path for the rtld. 2568205014Snwhitehorn */ 2569205014Snwhitehorn if (execpath_len != 0) { 2570205014Snwhitehorn imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 2571205014Snwhitehorn copyout(imgp->execpath, (void *)imgp->execpathp, 2572205014Snwhitehorn execpath_len); 2573205014Snwhitehorn } 2574205014Snwhitehorn 2575205014Snwhitehorn /* 2576211412Skib * Prepare the canary for SSP. 2577211412Skib */ 2578211412Skib arc4rand(canary, sizeof(canary), 0); 2579211412Skib imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - 2580211412Skib sizeof(canary); 2581211412Skib copyout(canary, (void *)imgp->canary, sizeof(canary)); 2582211412Skib imgp->canarylen = sizeof(canary); 2583211412Skib 2584211412Skib /* 2585211412Skib * Prepare the pagesizes array. 2586211412Skib */ 2587211412Skib for (i = 0; i < MAXPAGESIZES; i++) 2588211412Skib pagesizes32[i] = (uint32_t)pagesizes[i]; 2589211412Skib imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - 2590211412Skib roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); 2591211412Skib copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); 2592211412Skib imgp->pagesizeslen = sizeof(pagesizes32); 2593211412Skib 2594211412Skib /* 2595205014Snwhitehorn * If we have a valid auxargs ptr, prepare some room 2596205014Snwhitehorn * on the stack. 2597205014Snwhitehorn */ 2598205014Snwhitehorn if (imgp->auxargs) { 2599205014Snwhitehorn /* 2600205014Snwhitehorn * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2601205014Snwhitehorn * lower compatibility. 2602205014Snwhitehorn */ 2603205014Snwhitehorn imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2604205014Snwhitehorn : (AT_COUNT * 2); 2605205014Snwhitehorn /* 2606205014Snwhitehorn * The '+ 2' is for the null pointers at the end of each of 2607205014Snwhitehorn * the arg and env vector sets,and imgp->auxarg_size is room 2608205014Snwhitehorn * for argument of Runtime loader. 2609205014Snwhitehorn */ 2610205014Snwhitehorn vectp = (u_int32_t *) (destp - (imgp->args->argc + 2611205014Snwhitehorn imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2612205014Snwhitehorn sizeof(u_int32_t)); 2613205014Snwhitehorn } else 2614205014Snwhitehorn /* 2615205014Snwhitehorn * The '+ 2' is for the null pointers at the end of each of 2616205014Snwhitehorn * the arg and env vector sets 2617205014Snwhitehorn */ 2618205014Snwhitehorn vectp = (u_int32_t *) 2619205014Snwhitehorn (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 2620205014Snwhitehorn 2621205014Snwhitehorn /* 2622205014Snwhitehorn * vectp also becomes our initial stack base 2623205014Snwhitehorn */ 2624205014Snwhitehorn stack_base = vectp; 2625205014Snwhitehorn 2626205014Snwhitehorn stringp = imgp->args->begin_argv; 2627205014Snwhitehorn argc = imgp->args->argc; 2628205014Snwhitehorn envc = imgp->args->envc; 2629205014Snwhitehorn /* 2630205014Snwhitehorn * Copy out strings - arguments and environment. 2631205014Snwhitehorn */ 2632205014Snwhitehorn copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 2633205014Snwhitehorn 2634205014Snwhitehorn /* 2635205014Snwhitehorn * Fill in "ps_strings" struct for ps, w, etc. 2636205014Snwhitehorn */ 2637205014Snwhitehorn suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2638205014Snwhitehorn suword32(&arginfo->ps_nargvstr, argc); 2639205014Snwhitehorn 2640205014Snwhitehorn /* 2641205014Snwhitehorn * Fill in argument portion of vector table. 2642205014Snwhitehorn */ 2643205014Snwhitehorn for (; argc > 0; --argc) { 2644205014Snwhitehorn suword32(vectp++, (u_int32_t)(intptr_t)destp); 2645205014Snwhitehorn while (*stringp++ != 0) 2646205014Snwhitehorn destp++; 2647205014Snwhitehorn destp++; 2648205014Snwhitehorn } 2649205014Snwhitehorn 2650205014Snwhitehorn /* a null vector table pointer separates the argp's from the envp's */ 2651205014Snwhitehorn suword32(vectp++, 0); 2652205014Snwhitehorn 2653205014Snwhitehorn suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2654205014Snwhitehorn suword32(&arginfo->ps_nenvstr, envc); 2655205014Snwhitehorn 2656205014Snwhitehorn /* 2657205014Snwhitehorn * Fill in environment portion of vector table. 2658205014Snwhitehorn */ 2659205014Snwhitehorn for (; envc > 0; --envc) { 2660205014Snwhitehorn suword32(vectp++, (u_int32_t)(intptr_t)destp); 2661205014Snwhitehorn while (*stringp++ != 0) 2662205014Snwhitehorn destp++; 2663205014Snwhitehorn destp++; 2664205014Snwhitehorn } 2665205014Snwhitehorn 2666205014Snwhitehorn /* end of vector table is a null pointer */ 2667205014Snwhitehorn suword32(vectp, 0); 2668205014Snwhitehorn 2669205014Snwhitehorn return ((register_t *)stack_base); 2670205014Snwhitehorn} 2671205014Snwhitehorn 2672