1 /* m32r exception, interrupt, and trap (EIT) support
2 Copyright (C) 1998, 2003 Free Software Foundation, Inc.
3 Contributed by Renesas.
5 This file is part of GDB, the GNU debugger.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 #include "targ-vals.h"
32 #include <sys/resource.h>
33 #include <sys/sysinfo.h>
36 #include <sys/timeb.h>
37 #include <sys/timex.h>
38 #include <sys/types.h>
40 #include <sys/utsname.h>
42 #include <linux/sysctl.h>
43 #include <linux/types.h>
44 #include <linux/unistd.h>
46 #define TRAP_ELF_SYSCALL 0
47 #define TRAP_LINUX_SYSCALL 2
48 #define TRAP_FLUSH_CACHE 12
50 /* The semantic code invokes this for invalid (unrecognized) instructions. */
53 sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC vpc)
55 SIM_DESC sd = CPU_STATE (current_cpu);
58 if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
60 h_bsm_set (current_cpu, h_sm_get (current_cpu));
61 h_bie_set (current_cpu, h_ie_get (current_cpu));
62 h_bcond_set (current_cpu, h_cond_get (current_cpu));
64 h_ie_set (current_cpu, 0);
65 h_cond_set (current_cpu, 0);
67 h_bpc_set (current_cpu, cia);
69 sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL,
74 sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL);
78 /* Process an address exception. */
81 m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia,
82 unsigned int map, int nr_bytes, address_word addr,
83 transfer_type transfer, sim_core_signals sig)
85 if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
87 m32rbf_h_cr_set (current_cpu, H_CR_BBPC,
88 m32rbf_h_cr_get (current_cpu, H_CR_BPC));
89 if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32R)
91 m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu));
93 m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80);
95 else if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32RX)
97 m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu));
99 m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80);
103 m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu));
105 m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80);
107 m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia);
109 sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL,
113 sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr,
117 /* Read/write functions for system call interface. */
120 syscall_read_mem (host_callback *cb, struct cb_syscall *sc,
121 unsigned long taddr, char *buf, int bytes)
123 SIM_DESC sd = (SIM_DESC) sc->p1;
124 SIM_CPU *cpu = (SIM_CPU *) sc->p2;
126 return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes);
130 syscall_write_mem (host_callback *cb, struct cb_syscall *sc,
131 unsigned long taddr, const char *buf, int bytes)
133 SIM_DESC sd = (SIM_DESC) sc->p1;
134 SIM_CPU *cpu = (SIM_CPU *) sc->p2;
136 return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes);
139 /* Translate target's address to host's address. */
142 t2h_addr (host_callback *cb, struct cb_syscall *sc,
145 extern sim_core_trans_addr (SIM_DESC, sim_cpu *, unsigned, address_word);
147 SIM_DESC sd = (SIM_DESC) sc->p1;
148 SIM_CPU *cpu = (SIM_CPU *) sc->p2;
153 return sim_core_trans_addr (sd, cpu, read_map, taddr);
157 conv_endian (unsigned int tvalue)
160 unsigned int t1, t2, t3, t4;
162 if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
164 t1 = tvalue & 0xff000000;
165 t2 = tvalue & 0x00ff0000;
166 t3 = tvalue & 0x0000ff00;
167 t4 = tvalue & 0x000000ff;
180 static unsigned short
181 conv_endian16 (unsigned short tvalue)
183 unsigned short hvalue;
184 unsigned short t1, t2;
186 if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
188 t1 = tvalue & 0xff00;
189 t2 = tvalue & 0x00ff;
201 translate_endian(void *addr, size_t size)
203 unsigned int *p = (unsigned int *) addr;
206 for (i = 0; i <= size - 4; i += 4,p++)
207 *p = conv_endian(*p);
210 *((unsigned short *) p) = conv_endian16(*((unsigned short *) p));
214 The result is the pc address to continue at.
215 Preprocessing like saving the various registers has already been done. */
218 m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num)
220 SIM_DESC sd = CPU_STATE (current_cpu);
221 host_callback *cb = STATE_CALLBACK (sd);
223 #ifdef SIM_HAVE_BREAKPOINTS
224 /* Check for breakpoints "owned" by the simulator first, regardless
226 if (num == TRAP_BREAKPOINT)
228 /* First try sim-break.c. If it's a breakpoint the simulator "owns"
229 it doesn't return. Otherwise it returns and let's us try. */
230 sim_handle_breakpoint (sd, current_cpu, pc);
237 case TRAP_ELF_SYSCALL :
241 CB_SYSCALL_INIT (&s);
242 s.func = m32rbf_h_gr_get (current_cpu, 0);
243 s.arg1 = m32rbf_h_gr_get (current_cpu, 1);
244 s.arg2 = m32rbf_h_gr_get (current_cpu, 2);
245 s.arg3 = m32rbf_h_gr_get (current_cpu, 3);
247 if (s.func == TARGET_SYS_exit)
249 sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1);
253 s.p2 = (PTR) current_cpu;
254 s.read_mem = syscall_read_mem;
255 s.write_mem = syscall_write_mem;
257 m32rbf_h_gr_set (current_cpu, 2, s.errcode);
258 m32rbf_h_gr_set (current_cpu, 0, s.result);
259 m32rbf_h_gr_set (current_cpu, 1, s.result2);
263 case TRAP_LINUX_SYSCALL :
266 unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7;
267 int result, result2, errcode;
269 if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
271 /* The new pc is the trap vector entry.
272 We assume there's a branch there to some handler.
273 Use cr5 as EVB (EIT Vector Base) register. */
274 USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4;
278 func = m32rbf_h_gr_get (current_cpu, 7);
279 arg1 = m32rbf_h_gr_get (current_cpu, 0);
280 arg2 = m32rbf_h_gr_get (current_cpu, 1);
281 arg3 = m32rbf_h_gr_get (current_cpu, 2);
282 arg4 = m32rbf_h_gr_get (current_cpu, 3);
283 arg5 = m32rbf_h_gr_get (current_cpu, 4);
284 arg6 = m32rbf_h_gr_get (current_cpu, 5);
285 arg7 = m32rbf_h_gr_get (current_cpu, 6);
287 CB_SYSCALL_INIT (&s);
294 s.p2 = (PTR) current_cpu;
295 s.read_mem = syscall_read_mem;
296 s.write_mem = syscall_write_mem;
305 sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1);
309 result = read(arg1, t2h_addr(cb, &s, arg2), arg3);
314 result = write(arg1, t2h_addr(cb, &s, arg2), arg3);
319 result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
324 result = close(arg1);
329 result = creat((char *) t2h_addr(cb, &s, arg1), arg2);
334 result = link((char *) t2h_addr(cb, &s, arg1),
335 (char *) t2h_addr(cb, &s, arg2));
340 result = unlink((char *) t2h_addr(cb, &s, arg1));
345 result = chdir((char *) t2h_addr(cb, &s, arg1));
355 result = (int) time(NULL);
360 result = (int) time(&t);
366 translate_endian((void *) &t, sizeof(t));
367 if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t))
377 result = mknod((char *) t2h_addr(cb, &s, arg1),
378 (mode_t) arg2, (dev_t) arg3);
383 result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2);
389 result = lchown((char *) t2h_addr(cb, &s, arg1),
390 (uid_t) arg2, (gid_t) arg3);
395 result = (int) lseek(arg1, (off_t) arg2, arg3);
416 result = utime((char *) t2h_addr(cb, &s, arg1), NULL);
421 buf = *((struct utimbuf *) t2h_addr(cb, &s, arg2));
422 translate_endian((void *) &buf, sizeof(buf));
423 result = utime((char *) t2h_addr(cb, &s, arg1), &buf);
430 result = access((char *) t2h_addr(cb, &s, arg1), arg2);
444 t.time = conv_endian(t.time);
445 t.millitm = conv_endian16(t.millitm);
446 t.timezone = conv_endian16(t.timezone);
447 t.dstflag = conv_endian16(t.dstflag);
448 if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t))
462 result = rename((char *) t2h_addr(cb, &s, arg1),
463 (char *) t2h_addr(cb, &s, arg2));
468 result = mkdir((char *) t2h_addr(cb, &s, arg1), arg2);
473 result = rmdir((char *) t2h_addr(cb, &s, arg1));
483 result = brk((void *) arg1);
507 result = ioctl(arg1, arg2, arg3);
512 result = fcntl(arg1, arg2, arg3);
517 result = dup2(arg1, arg2);
535 result = getrlimit(arg1, &rlim);
541 translate_endian((void *) &rlim, sizeof(rlim));
542 if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim))
555 result = getrusage(arg1, &usage);
561 translate_endian((void *) &usage, sizeof(usage));
562 if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage))
571 case __NR_gettimeofday:
576 result = gettimeofday(&tv, &tz);
582 translate_endian((void *) &tv, sizeof(tv));
583 if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv))
590 translate_endian((void *) &tz, sizeof(tz));
591 if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz))
600 case __NR_getgroups32:
606 list = (gid_t *) malloc(arg1 * sizeof(gid_t));
608 result = getgroups(arg1, list);
614 translate_endian((void *) list, arg1 * sizeof(gid_t));
616 if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t))
617 != arg1 * sizeof(gid_t))
637 struct timeval *ttimeoutp;
638 struct timeval timeout;
642 treadfdsp = (fd_set *) arg2;
643 if (treadfdsp != NULL)
645 readfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) treadfdsp));
646 translate_endian((void *) &readfds, sizeof(readfds));
647 hreadfdsp = &readfds;
652 twritefdsp = (fd_set *) arg3;
653 if (twritefdsp != NULL)
655 writefds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) twritefdsp));
656 translate_endian((void *) &writefds, sizeof(writefds));
657 hwritefdsp = &writefds;
662 texceptfdsp = (fd_set *) arg4;
663 if (texceptfdsp != NULL)
665 exceptfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) texceptfdsp));
666 translate_endian((void *) &exceptfds, sizeof(exceptfds));
667 hexceptfdsp = &exceptfds;
672 ttimeoutp = (struct timeval *) arg5;
673 timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp));
674 translate_endian((void *) &timeout, sizeof(timeout));
676 result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout);
682 if (treadfdsp != NULL)
684 translate_endian((void *) &readfds, sizeof(readfds));
685 if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp,
686 (char *) &readfds, sizeof(readfds)) != sizeof(readfds))
693 if (twritefdsp != NULL)
695 translate_endian((void *) &writefds, sizeof(writefds));
696 if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp,
697 (char *) &writefds, sizeof(writefds)) != sizeof(writefds))
704 if (texceptfdsp != NULL)
706 translate_endian((void *) &exceptfds, sizeof(exceptfds));
707 if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp,
708 (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds))
715 translate_endian((void *) &timeout, sizeof(timeout));
716 if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp,
717 (char *) &timeout, sizeof(timeout)) != sizeof(timeout))
726 result = symlink((char *) t2h_addr(cb, &s, arg1),
727 (char *) t2h_addr(cb, &s, arg2));
732 result = readlink((char *) t2h_addr(cb, &s, arg1),
733 (char *) t2h_addr(cb, &s, arg2),
739 result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1));
746 result = (int) mmap((void *) t2h_addr(cb, &s, arg1),
747 arg2, arg3, arg4, arg5, arg6);
752 sim_core_attach (sd, NULL,
753 0, access_read_write_exec, 0,
754 result, arg2, 0, NULL, NULL);
763 int prot, flags, fildes;
766 addr = (void *) t2h_addr(cb, &s, arg1);
773 result = (int) mmap(addr, len, prot, flags, fildes, off);
778 if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0)
779 sim_core_attach (sd, NULL,
780 0, access_read_write_exec, 0,
781 result, len, 0, NULL, NULL);
790 int prot, flags, fildes;
793 addr = *((void **) t2h_addr(cb, &s, arg1));
794 len = *((size_t *) t2h_addr(cb, &s, arg1 + 4));
795 prot = *((int *) t2h_addr(cb, &s, arg1 + 8));
796 flags = *((int *) t2h_addr(cb, &s, arg1 + 12));
797 fildes = *((int *) t2h_addr(cb, &s, arg1 + 16));
798 off = *((off_t *) t2h_addr(cb, &s, arg1 + 20));
800 addr = (void *) conv_endian((unsigned int) addr);
801 len = conv_endian(len);
802 prot = conv_endian(prot);
803 flags = conv_endian(flags);
804 fildes = conv_endian(fildes);
805 off = conv_endian(off);
807 //addr = (void *) t2h_addr(cb, &s, (unsigned int) addr);
808 result = (int) mmap(addr, len, prot, flags, fildes, off);
815 if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0)
816 sim_core_attach (sd, NULL,
817 0, access_read_write_exec, 0,
818 result, len, 0, NULL, NULL);
825 result = munmap((void *)arg1, arg2);
829 sim_core_detach (sd, NULL, 0, arg2, result);
835 result = truncate((char *) t2h_addr(cb, &s, arg1), arg2);
840 result = ftruncate(arg1, arg2);
845 result = fchmod(arg1, arg2);
851 result = fchown(arg1, arg2, arg3);
857 struct statfs statbuf;
859 result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf);
865 translate_endian((void *) &statbuf, sizeof(statbuf));
866 if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
877 struct statfs statbuf;
879 result = fstatfs(arg1, &statbuf);
885 translate_endian((void *) &statbuf, sizeof(statbuf));
886 if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
896 result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2));
902 struct itimerval value, ovalue;
904 value = *((struct itimerval *) t2h_addr(cb, &s, arg2));
905 translate_endian((void *) &value, sizeof(value));
909 result = setitimer(arg1, &value, NULL);
914 result = setitimer(arg1, &value, &ovalue);
920 translate_endian((void *) &ovalue, sizeof(ovalue));
921 if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue))
933 struct itimerval value;
935 result = getitimer(arg1, &value);
941 translate_endian((void *) &value, sizeof(value));
942 if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value))
957 result = stat((char *) t2h_addr(cb, &s, arg1), &statbuf);
962 buflen = cb_host_to_target_stat (cb, NULL, NULL);
963 buf = xmalloc (buflen);
964 if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen)
966 /* The translation failed. This is due to an internal
967 host program error, not the target's fault. */
973 if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen)
990 result = lstat((char *) t2h_addr(cb, &s, arg1), &statbuf);
995 buflen = cb_host_to_target_stat (cb, NULL, NULL);
996 buf = xmalloc (buflen);
997 if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen)
999 /* The translation failed. This is due to an internal
1000 host program error, not the target's fault. */
1006 if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen)
1021 struct stat statbuf;
1023 result = fstat(arg1, &statbuf);
1028 buflen = cb_host_to_target_stat (cb, NULL, NULL);
1029 buf = xmalloc (buflen);
1030 if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen)
1032 /* The translation failed. This is due to an internal
1033 host program error, not the target's fault. */
1039 if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen)
1052 struct sysinfo info;
1054 result = sysinfo(&info);
1060 info.uptime = conv_endian(info.uptime);
1061 info.loads[0] = conv_endian(info.loads[0]);
1062 info.loads[1] = conv_endian(info.loads[1]);
1063 info.loads[2] = conv_endian(info.loads[2]);
1064 info.totalram = conv_endian(info.totalram);
1065 info.freeram = conv_endian(info.freeram);
1066 info.sharedram = conv_endian(info.sharedram);
1067 info.bufferram = conv_endian(info.bufferram);
1068 info.totalswap = conv_endian(info.totalswap);
1069 info.freeswap = conv_endian(info.freeswap);
1070 info.procs = conv_endian16(info.procs);
1071 #if LINUX_VERSION_CODE >= 0x20400
1072 info.totalhigh = conv_endian(info.totalhigh);
1073 info.freehigh = conv_endian(info.freehigh);
1074 info.mem_unit = conv_endian(info.mem_unit);
1076 if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info))
1088 result = ipc(arg1, arg2, arg3, arg4,
1089 (void *) t2h_addr(cb, &s, arg5), arg6);
1096 result = fsync(arg1);
1101 /* utsname contains only arrays of char, so it is not necessary
1102 to translate endian. */
1103 result = uname((struct utsname *) t2h_addr(cb, &s, arg1));
1111 result = adjtimex(&buf);
1117 translate_endian((void *) &buf, sizeof(buf));
1118 if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf))
1128 result = mprotect((void *) arg1, arg2, arg3);
1133 result = fchdir(arg1);
1137 case __NR_setfsuid32:
1139 result = setfsuid(arg1);
1143 case __NR_setfsgid32:
1145 result = setfsgid(arg1);
1154 result = _llseek(arg1, arg2, arg3, &buf, arg5);
1160 translate_endian((void *) &buf, sizeof(buf));
1161 if ((s.write_mem) (cb, &s, t2h_addr(cb, &s, arg4),
1162 (char *) &buf, sizeof(buf)) != sizeof(buf))
1174 result = getdents(arg1, &dir, arg3);
1180 dir.d_ino = conv_endian(dir.d_ino);
1181 dir.d_off = conv_endian(dir.d_off);
1182 dir.d_reclen = conv_endian16(dir.d_reclen);
1183 if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir))
1194 result = flock(arg1, arg2);
1199 result = msync((void *) arg1, arg2, arg3);
1205 struct iovec vector;
1207 vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
1208 translate_endian((void *) &vector, sizeof(vector));
1210 result = readv(arg1, &vector, arg3);
1217 struct iovec vector;
1219 vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
1220 translate_endian((void *) &vector, sizeof(vector));
1222 result = writev(arg1, &vector, arg3);
1227 case __NR_fdatasync:
1228 result = fdatasync(arg1);
1233 result = mlock((void *) t2h_addr(cb, &s, arg1), arg2);
1238 result = munlock((void *) t2h_addr(cb, &s, arg1), arg2);
1242 case __NR_nanosleep:
1244 struct timespec req, rem;
1246 req = *((struct timespec *) t2h_addr(cb, &s, arg2));
1247 translate_endian((void *) &req, sizeof(req));
1249 result = nanosleep(&req, &rem);
1255 translate_endian((void *) &rem, sizeof(rem));
1256 if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem))
1265 case __NR_mremap: /* FIXME */
1266 result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4);
1270 case __NR_getresuid32:
1271 case __NR_getresuid:
1273 uid_t ruid, euid, suid;
1275 result = getresuid(&ruid, &euid, &suid);
1281 *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(ruid);
1282 *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(euid);
1283 *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(suid);
1291 ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1));
1292 ufds.fd = conv_endian(ufds.fd);
1293 ufds.events = conv_endian16(ufds.events);
1294 ufds.revents = conv_endian16(ufds.revents);
1296 result = poll(&ufds, arg2, arg3);
1301 case __NR_getresgid32:
1302 case __NR_getresgid:
1304 uid_t rgid, egid, sgid;
1306 result = getresgid(&rgid, &egid, &sgid);
1312 *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(rgid);
1313 *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(egid);
1314 *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(sgid);
1319 result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
1324 result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
1330 result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
1335 result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2);
1343 offset = *((off_t *) t2h_addr(cb, &s, arg3));
1344 offset = conv_endian(offset);
1346 result = sendfile(arg1, arg2, &offset, arg3);
1352 *((off_t *) t2h_addr(cb, &s, arg3)) = conv_endian(offset);
1363 m32rbf_h_gr_set (current_cpu, 0, -errcode);
1365 m32rbf_h_gr_set (current_cpu, 0, result);
1369 case TRAP_BREAKPOINT:
1370 sim_engine_halt (sd, current_cpu, NULL, pc,
1371 sim_stopped, SIM_SIGTRAP);
1374 case TRAP_FLUSH_CACHE:
1380 /* Use cr5 as EVB (EIT Vector Base) register. */
1381 USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4;
1386 /* Fake an "rte" insn. */
1387 /* FIXME: Should duplicate all of rte processing. */
1388 return (pc & -4) + 4;