/* This file is part of the program psim. Copyright (C) 1994-1998, Andrew Cagney This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, see . */ #ifndef _EMUL_NETBSD_C_ #define _EMUL_NETBSD_C_ /* Note: this module is called via a table. There is no benefit in making it inline */ #include "defs.h" #include #include #include #include #include #include #include #include #include #include "emul_generic.h" #include "emul_netbsd.h" #ifdef HAVE_GETRUSAGE #ifndef HAVE_SYS_RESOURCE_H #undef HAVE_GETRUSAGE #endif #endif #ifdef HAVE_GETRUSAGE #include int getrusage(); #endif #if HAVE_SYS_IOCTL_H #include #endif #if HAVE_DIRENT_H # include # define NAMLEN(dirent) strlen((dirent)->d_name) #else # define dirent direct # define NAMLEN(dirent) (dirent)->d_namlen # if HAVE_SYS_NDIR_H # include # endif # if HAVE_SYS_DIR_H # include # endif # if HAVE_NDIR_H # include # endif #endif #ifdef HAVE_UNISTD_H #undef MAXPATHLEN /* sys/param.h might define this also */ #include #endif #include #define WITH_NetBSD_HOST (NetBSD >= 199306) #if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */ #include /* FIXME - should not be including this one */ #include #include extern int getdirentries(int fd, char *buf, int nbytes, long *basep); /* NetBSD post 2.0 has the statfs system call (if COMPAT_20), but does not have struct statfs. In this case don't implement fstatfs. FIXME: Should implement fstatvfs. */ #ifndef HAVE_STRUCT_STATFS #undef HAVE_FSTATFS #endif #else /* If this is not netbsd, don't allow fstatfs or getdirentries at this time */ #undef HAVE_FSTATFS #undef HAVE_GETDIRENTRIES #endif #ifndef STATIC_INLINE_EMUL_NETBSD #define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE #endif #if WITH_NetBSD_HOST #define SYS(X) ASSERT(call == (SYS_##X)) #else #define SYS(X) #endif #if WITH_NetBSD_HOST && (PATH_MAX != 1024) #error "PATH_MAX not 1024" #elif !defined(PATH_MAX) #define PATH_MAX 1024 #endif /* EMULATION NetBSD - Emulation of user programs for NetBSD/PPC DESCRIPTION */ /* NetBSD's idea of what is needed to implement emulations */ struct _os_emul_data { device *vm; emul_syscall *syscalls; }; STATIC_INLINE_EMUL_NETBSD void write_stat(unsigned_word addr, struct stat buf, cpu *processor, unsigned_word cia) { H2T(buf.st_dev); H2T(buf.st_ino); H2T(buf.st_mode); H2T(buf.st_nlink); H2T(buf.st_uid); H2T(buf.st_gid); H2T(buf.st_size); H2T(buf.st_atime); /* H2T(buf.st_spare1); */ H2T(buf.st_mtime); /* H2T(buf.st_spare2); */ H2T(buf.st_ctime); /* H2T(buf.st_spare3); */ #ifdef AC_STRUCT_ST_RDEV H2T(buf.st_rdev); #endif #ifdef AC_STRUCT_ST_BLKSIZE H2T(buf.st_blksize); #endif #ifdef AC_STRUCT_ST_BLOCKS H2T(buf.st_blocks); #endif #if WITH_NetBSD_HOST H2T(buf.st_flags); H2T(buf.st_gen); #endif emul_write_buffer(&buf, addr, sizeof(buf), processor, cia); } #ifdef HAVE_FSTATFS STATIC_INLINE_EMUL_NETBSD void write_statfs(unsigned_word addr, struct statfs buf, cpu *processor, unsigned_word cia) { H2T(buf.f_type); H2T(buf.f_flags); H2T(buf.f_bsize); H2T(buf.f_iosize); H2T(buf.f_blocks); H2T(buf.f_bfree); H2T(buf.f_bavail); H2T(buf.f_files); H2T(buf.f_ffree); H2T(buf.f_fsid.val[0]); H2T(buf.f_fsid.val[1]); H2T(buf.f_owner); /* f_spare[4]; */ /* f_fstypename[MFSNAMELEN]; */ /* f_mntonname[MNAMELEN]; */ /* f_mntfromname[MNAMELEN]; */ emul_write_buffer(&buf, addr, sizeof(buf), processor, cia); } #endif STATIC_INLINE_EMUL_NETBSD void write_timeval(unsigned_word addr, struct timeval t, cpu *processor, unsigned_word cia) { H2T(t.tv_sec); H2T(t.tv_usec); emul_write_buffer(&t, addr, sizeof(t), processor, cia); } #ifdef HAVE_GETTIMEOFDAY STATIC_INLINE_EMUL_NETBSD void write_timezone(unsigned_word addr, struct timezone tz, cpu *processor, unsigned_word cia) { H2T(tz.tz_minuteswest); H2T(tz.tz_dsttime); emul_write_buffer(&tz, addr, sizeof(tz), processor, cia); } #endif #ifdef HAVE_GETDIRENTRIES STATIC_INLINE_EMUL_NETBSD void write_direntries(unsigned_word addr, char *buf, int nbytes, cpu *processor, unsigned_word cia) { while (nbytes > 0) { struct dirent *out; struct dirent *in = (struct dirent*)buf; ASSERT(in->d_reclen <= nbytes); out = (struct dirent*)zalloc(in->d_reclen); memcpy(out/*dest*/, in/*src*/, in->d_reclen); H2T(out->d_fileno); H2T(out->d_reclen); H2T(out->d_type); H2T(out->d_namlen); emul_write_buffer(out, addr, in->d_reclen, processor, cia); nbytes -= in->d_reclen; addr += in->d_reclen; buf += in->d_reclen; free(out); } } #endif #ifdef HAVE_GETRUSAGE STATIC_INLINE_EMUL_NETBSD void write_rusage(unsigned_word addr, struct rusage rusage, cpu *processor, unsigned_word cia) { H2T(rusage.ru_utime.tv_sec); /* user time used */ H2T(rusage.ru_utime.tv_usec); H2T(rusage.ru_stime.tv_sec); /* system time used */ H2T(rusage.ru_stime.tv_usec); H2T(rusage.ru_maxrss); /* integral max resident set size */ H2T(rusage.ru_ixrss); /* integral shared text memory size */ H2T(rusage.ru_idrss); /* integral unshared data size */ H2T(rusage.ru_isrss); /* integral unshared stack size */ H2T(rusage.ru_minflt); /* page reclaims */ H2T(rusage.ru_majflt); /* page faults */ H2T(rusage.ru_nswap); /* swaps */ H2T(rusage.ru_inblock); /* block input operations */ H2T(rusage.ru_oublock); /* block output operations */ H2T(rusage.ru_msgsnd); /* messages sent */ H2T(rusage.ru_msgrcv); /* messages received */ H2T(rusage.ru_nsignals); /* signals received */ H2T(rusage.ru_nvcsw); /* voluntary context switches */ H2T(rusage.ru_nivcsw); /* involuntary context switches */ emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia); } #endif /* File descriptors 0, 1, and 2 should not be closed. fd_closed[] tracks whether these descriptors have been closed in do_close() below. */ static int fd_closed[3]; /* Check for some occurrences of bad file descriptors. We only check whether fd 0, 1, or 2 are "closed". By "closed" we mean that these descriptors aren't actually closed, but are considered to be closed by this layer. Other checks are performed by the underlying OS call. */ static int fdbad (int fd) { if (fd >=0 && fd <= 2 && fd_closed[fd]) { errno = EBADF; return -1; } return 0; } static void do_exit(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int status = (int)cpu_registers(processor)->gpr[arg0]; SYS(exit); if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d)\n", status); cpu_halt(processor, cia, was_exited, status); } static void do_read(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { void *scratch_buffer; int d = (int)cpu_registers(processor)->gpr[arg0]; unsigned_word buf = cpu_registers(processor)->gpr[arg0+1]; int nbytes = cpu_registers(processor)->gpr[arg0+2]; int status; SYS(read); if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes); /* get a tempoary bufer */ scratch_buffer = zalloc(nbytes); /* check if buffer exists by reading it */ emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia); /* read */ #if 0 if (d == 0) { status = fread (scratch_buffer, 1, nbytes, stdin); if (status == 0 && ferror (stdin)) status = -1; } #endif status = fdbad (d); if (status == 0) status = read (d, scratch_buffer, nbytes); emul_write_status(processor, status, errno); if (status > 0) emul_write_buffer(scratch_buffer, buf, status, processor, cia); free(scratch_buffer); } static void do_write(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { void *scratch_buffer = NULL; int d = (int)cpu_registers(processor)->gpr[arg0]; unsigned_word buf = cpu_registers(processor)->gpr[arg0+1]; int nbytes = cpu_registers(processor)->gpr[arg0+2]; int status; SYS(write); if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes); /* get a tempoary bufer */ scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */ /* copy in */ emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia); /* write */ status = fdbad (d); if (status == 0) status = write(d, scratch_buffer, nbytes); emul_write_status(processor, status, errno); free(scratch_buffer); flush_stdoutput(); } static void do_open(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { unsigned_word path_addr = cpu_registers(processor)->gpr[arg0]; char path_buf[PATH_MAX]; char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia); int flags = (int)cpu_registers(processor)->gpr[arg0+1]; int mode = (int)cpu_registers(processor)->gpr[arg0+2]; int hostflags; int status; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode); SYS(open); /* Do some translation on 'flags' to match it to the host's version. */ /* These flag values were taken from the NetBSD 1.4 header files. */ if ((flags & 3) == 0) hostflags = O_RDONLY; else if ((flags & 3) == 1) hostflags = O_WRONLY; else hostflags = O_RDWR; if (flags & 0x00000008) hostflags |= O_APPEND; if (flags & 0x00000200) hostflags |= O_CREAT; if (flags & 0x00000400) hostflags |= O_TRUNC; if (flags & 0x00000800) hostflags |= O_EXCL; /* Can't combine these statements, cuz open sets errno. */ status = open(path, hostflags, mode); emul_write_status(processor, status, errno); } static void do_close(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int d = (int)cpu_registers(processor)->gpr[arg0]; int status; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d", d); SYS(close); status = fdbad (d); if (status == 0) { /* Do not close stdin, stdout, or stderr. GDB may still need access to these descriptors. */ if (d == 0 || d == 1 || d == 2) { fd_closed[d] = 1; status = 0; } else status = close(d); } emul_write_status(processor, status, errno); } static void do_break(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { /* just pass this onto the `vm' device */ unsigned_word new_break = cpu_registers(processor)->gpr[arg0]; int status; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]); SYS(break); status = device_ioctl(emul->vm, processor, cia, device_ioctl_break, new_break); /*ioctl-data*/ emul_write_status(processor, 0, status); } #ifndef HAVE_GETPID #define do_getpid 0 #else static void do_getpid(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { SYS(getpid); emul_write_status(processor, (int)getpid(), 0); } #endif #ifndef HAVE_GETUID #define do_getuid 0 #else static void do_getuid(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { SYS(getuid); emul_write_status(processor, (int)getuid(), 0); } #endif #ifndef HAVE_GETEUID #define do_geteuid 0 #else static void do_geteuid(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { SYS(geteuid); emul_write_status(processor, (int)geteuid(), 0); } #endif #ifndef HAVE_KILL #define do_kill 0 #else static void do_kill(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { pid_t pid = cpu_registers(processor)->gpr[arg0]; int sig = cpu_registers(processor)->gpr[arg0+1]; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, %d", (int)pid, sig); SYS(kill); printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n", (long)cia); cpu_halt(processor, cia, was_signalled, sig); } #endif #ifndef HAVE_DUP #define do_dup 0 #else static void do_dup(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int oldd = cpu_registers(processor)->gpr[arg0]; int status = (fdbad (oldd) < 0) ? -1 : dup(oldd); int err = errno; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d", oldd); SYS(dup); emul_write_status(processor, status, err); } #endif #ifndef HAVE_GETEGID #define do_getegid 0 #else static void do_getegid(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { SYS(getegid); emul_write_status(processor, (int)getegid(), 0); } #endif #ifndef HAVE_GETGID #define do_getgid 0 #else static void do_getgid(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { SYS(getgid); emul_write_status(processor, (int)getgid(), 0); } #endif #ifndef HAVE_SIGPROCMASK #define do_sigprocmask 0 #else static void do_sigprocmask(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { signed_word how = cpu_registers(processor)->gpr[arg0]; unsigned_word set = cpu_registers(processor)->gpr[arg0+1]; unsigned_word oset = cpu_registers(processor)->gpr[arg0+2]; #ifdef SYS_sigprocmask SYS(sigprocmask); #endif if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%ld, 0x%lx, 0x%lx", (long)how, (long)set, (long)oset); emul_write_status(processor, 0, 0); cpu_registers(processor)->gpr[4] = set; } #endif #ifndef HAVE_IOCTL #define do_ioctl 0 #else static void do_ioctl(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int d = cpu_registers(processor)->gpr[arg0]; unsigned request = cpu_registers(processor)->gpr[arg0+1]; unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2]; #if !WITH_NetBSD_HOST cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */ #else unsigned dir = request & IOC_DIRMASK; int status; SYS(ioctl); /* what we haven't done */ if (dir & IOC_IN /* write into the io device */ || dir & IOC_OUT || !(dir & IOC_VOID)) error("do_ioctl() read or write of parameter not implemented\n"); status = fdbad (d); if (status == 0) status = ioctl(d, request, NULL); emul_write_status(processor, status, errno); #endif if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr); } #endif #ifndef HAVE_UMASK #define do_umask 0 #else static void do_umask(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int mask = cpu_registers(processor)->gpr[arg0]; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("0%o", mask); SYS(umask); emul_write_status(processor, umask(mask), 0); } #endif #ifndef HAVE_DUP2 #define do_dup2 0 #else static void do_dup2(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int oldd = cpu_registers(processor)->gpr[arg0]; int newd = cpu_registers(processor)->gpr[arg0+1]; int status = (fdbad (oldd) < 0) ? -1 : dup2(oldd, newd); int err = errno; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, %d", oldd, newd); SYS(dup2); emul_write_status(processor, status, err); } #endif #ifndef HAVE_FCNTL #define do_fcntl 0 #else static void do_fcntl(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int fd = cpu_registers(processor)->gpr[arg0]; int cmd = cpu_registers(processor)->gpr[arg0+1]; int arg = cpu_registers(processor)->gpr[arg0+2]; int status; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, %d, %d", fd, cmd, arg); SYS(fcntl); status = fdbad (fd); if (status == 0) status = fcntl(fd, cmd, arg); emul_write_status(processor, status, errno); } #endif #ifndef HAVE_GETTIMEOFDAY #define do_gettimeofday 0 #else static void do_gettimeofday(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { unsigned_word t_addr = cpu_registers(processor)->gpr[arg0]; unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1]; struct timeval t; struct timezone tz; int status = gettimeofday(&t, (tz_addr != 0 ? &tz : NULL)); int err = errno; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr); SYS(gettimeofday); emul_write_status(processor, status, err); if (status == 0) { if (t_addr != 0) write_timeval(t_addr, t, processor, cia); if (tz_addr != 0) write_timezone(tz_addr, tz, processor, cia); } } #endif #ifndef HAVE_GETRUSAGE #define do_getrusage 0 #else static void do_getrusage(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int who = cpu_registers(processor)->gpr[arg0]; unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1]; struct rusage rusage; int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL)); int err = errno; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, 0x%lx", who, (long)rusage_addr); SYS(getrusage); emul_write_status(processor, status, err); if (status == 0) { if (rusage_addr != 0) write_rusage(rusage_addr, rusage, processor, cia); } } #endif #ifndef HAVE_FSTATFS #define do_fstatfs 0 #else static void do_fstatfs(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int fd = cpu_registers(processor)->gpr[arg0]; unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1]; struct statfs buf; int status; if (WITH_TRACE && ppc_trace[trace_os_emul]) printf_filtered ("%d, 0x%lx", fd, (long)buf_addr); SYS(fstatfs); status = fdbad (fd); if (status == 0) status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf)); emul_write_status(processor, status, errno); if (status == 0) { if (buf_addr != 0) write_statfs(buf_addr, buf, processor, cia); } } #endif #ifndef HAVE_STAT #define do_stat 0 #else static void do_stat(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { char path_buf[PATH_MAX]; unsigned_word path_addr = cpu_registers(processor)->gpr[arg0]; unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1]; char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia); struct stat buf; int status; #ifdef SYS_stat SYS(stat); #endif status = stat(path, &buf); emul_write_status(processor, status, errno); if (status == 0) write_stat(stat_buf_addr, buf, processor, cia); } #endif #ifndef HAVE_FSTAT #define do_fstat 0 #else static void do_fstat(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int fd = cpu_registers(processor)->gpr[arg0]; unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1]; struct stat buf = {}; int status; #ifdef SYS_fstat SYS(fstat); #endif /* Can't combine these statements, cuz fstat sets errno. */ status = fdbad (fd); if (status == 0) status = fstat(fd, &buf); emul_write_status(processor, status, errno); write_stat(stat_buf_addr, buf, processor, cia); } #endif #ifndef HAVE_LSTAT #define do_lstat 0 #else static void do_lstat(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { char path_buf[PATH_MAX]; unsigned_word path_addr = cpu_registers(processor)->gpr[arg0]; char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia); unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1]; struct stat buf; int status; #ifdef SYS_lstat SYS(lstat); #endif /* Can't combine these statements, cuz lstat sets errno. */ status = lstat(path, &buf); emul_write_status(processor, status, errno); write_stat(stat_buf_addr, buf, processor, cia); } #endif #ifndef HAVE_GETDIRENTRIES #define do_getdirentries 0 #else static void do_getdirentries(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int fd = cpu_registers(processor)->gpr[arg0]; unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1]; char *buf; int nbytes = cpu_registers(processor)->gpr[arg0+2]; unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3]; long basep; int status; #ifdef SYS_getdirentries SYS(getdirentries); #endif if (buf_addr != 0 && nbytes >= 0) buf = zalloc(nbytes); else buf = NULL; status = getdirentries(fd, (buf_addr == 0 ? NULL : buf), nbytes, (basep_addr == 0 ? NULL : &basep)); emul_write_status(processor, status, errno); if (basep_addr != 0) emul_write_word(basep_addr, basep, processor, cia); if (status > 0) write_direntries(buf_addr, buf, status, processor, cia); if (buf != NULL) free(buf); } #endif static void do___syscall(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { SYS(__syscall); emul_do_system_call(emul, emul->syscalls, cpu_registers(processor)->gpr[arg0], arg0 + 1, processor, cia); } #ifndef HAVE_LSEEK #define do_lseek 0 #else static void do_lseek(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { int fildes = cpu_registers(processor)->gpr[arg0]; off_t offset = emul_read_gpr64(processor, arg0+2); int whence = cpu_registers(processor)->gpr[arg0+4]; off_t status; SYS(lseek); status = fdbad (fildes); if (status == 0) status = lseek(fildes, offset, whence); if (status == -1) emul_write_status(processor, -1, errno); else { emul_write_status(processor, 0, 0); /* success */ emul_write_gpr64(processor, 3, status); } } #endif static void do___sysctl(os_emul_data *emul, unsigned call, const int arg0, cpu *processor, unsigned_word cia) { /* call the arguments by their real name */ unsigned_word name = cpu_registers(processor)->gpr[arg0]; signed_word namelen = cpu_registers(processor)->gpr[arg0+1]; unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2]; unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3]; signed_word oldlen; signed_word mib; signed_word int_val; SYS(__sysctl); /* pluck out the management information base id */ if (namelen < 1) error("system_call()SYS___sysctl bad name[0]\n"); mib = vm_data_map_read_word(cpu_data_map(processor), name, processor, cia); name += sizeof(mib); /* see what to do with it ... */ switch ((int)mib) { case 6/*CTL_HW*/: #if WITH_NetBSD_HOST && (CTL_HW != 6) # error "CTL_HW" #endif if (namelen < 2) error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n"); mib = vm_data_map_read_word(cpu_data_map(processor), name, processor, cia); name += sizeof(mib); switch ((int)mib) { case 7/*HW_PAGESIZE*/: #if WITH_NetBSD_HOST && (HW_PAGESIZE != 7) # error "HW_PAGESIZE" #endif oldlen = vm_data_map_read_word(cpu_data_map(processor), oldlenp, processor, cia); if (sizeof(signed_word) > oldlen) error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n"); int_val = 8192; oldlen = sizeof(int_val); emul_write_word(oldp, int_val, processor, cia); emul_write_word(oldlenp, oldlen, processor, cia); break; default: error("sysctl() CTL_HW.%d unknown\n", mib); break; } break; default: error("sysctl() name[0]=%d unknown\n", (int)mib); break; } emul_write_status(processor, 0, 0); /* always succeed */ } static emul_syscall_descriptor netbsd_descriptors[] = { /* 0 */ { 0, "syscall" }, /* 1 */ { do_exit, "exit" }, /* 2 */ { 0, "fork" }, /* 3 */ { do_read, "read" }, /* 4 */ { do_write, "write" }, /* 5 */ { do_open, "open" }, /* 6 */ { do_close, "close" }, /* 7 */ { 0, "wait4" }, { 0, }, /* 8 is old creat */ /* 9 */ { 0, "link" }, /* 10 */ { 0, "unlink" }, { 0, }, /* 11 is obsolete execv */ /* 12 */ { 0, "chdir" }, /* 13 */ { 0, "fchdir" }, /* 14 */ { 0, "mknod" }, /* 15 */ { 0, "chmod" }, /* 16 */ { 0, "chown" }, /* 17 */ { do_break, "break" }, /* 18 */ { 0, "getfsstat" }, { 0, }, /* 19 is old lseek */ /* 20 */ { do_getpid, "getpid" }, /* 21 */ { 0, "mount" }, /* 22 */ { 0, "unmount" }, /* 23 */ { 0, "setuid" }, /* 24 */ { do_getuid, "getuid" }, /* 25 */ { do_geteuid, "geteuid" }, /* 26 */ { 0, "ptrace" }, /* 27 */ { 0, "recvmsg" }, /* 28 */ { 0, "sendmsg" }, /* 29 */ { 0, "recvfrom" }, /* 30 */ { 0, "accept" }, /* 31 */ { 0, "getpeername" }, /* 32 */ { 0, "getsockname" }, /* 33 */ { 0, "access" }, /* 34 */ { 0, "chflags" }, /* 35 */ { 0, "fchflags" }, /* 36 */ { 0, "sync" }, /* 37 */ { do_kill, "kill" }, { 0, }, /* 38 is old stat */ /* 39 */ { 0, "getppid" }, { 0, }, /* 40 is old lstat */ /* 41 */ { do_dup, "dup" }, /* 42 */ { 0, "pipe" }, /* 43 */ { do_getegid, "getegid" }, /* 44 */ { 0, "profil" }, /* 45 */ { 0, "ktrace" }, /* 46 */ { 0, "sigaction" }, /* 47 */ { do_getgid, "getgid" }, /* 48 */ { do_sigprocmask, "sigprocmask" }, /* 49 */ { 0, "getlogin" }, /* 50 */ { 0, "setlogin" }, /* 51 */ { 0, "acct" }, /* 52 */ { 0, "sigpending" }, /* 53 */ { 0, "sigaltstack" }, /* 54 */ { do_ioctl, "ioctl" }, /* 55 */ { 0, "reboot" }, /* 56 */ { 0, "revoke" }, /* 57 */ { 0, "symlink" }, /* 58 */ { 0, "readlink" }, /* 59 */ { 0, "execve" }, /* 60 */ { do_umask, "umask" }, /* 61 */ { 0, "chroot" }, { 0, }, /* 62 is old fstat */ { 0, }, /* 63 is old getkerninfo */ { 0, }, /* 64 is old getpagesize */ /* 65 */ { 0, "msync" }, /* 66 */ { 0, "vfork" }, { 0, }, /* 67 is obsolete vread */ { 0, }, /* 68 is obsolete vwrite */ /* 69 */ { 0, "sbrk" }, /* 70 */ { 0, "sstk" }, { 0, }, /* 71 is old mmap */ /* 72 */ { 0, "vadvise" }, /* 73 */ { 0, "munmap" }, /* 74 */ { 0, "mprotect" }, /* 75 */ { 0, "madvise" }, { 0, }, /* 76 is obsolete vhangup */ { 0, }, /* 77 is obsolete vlimit */ /* 78 */ { 0, "mincore" }, /* 79 */ { 0, "getgroups" }, /* 80 */ { 0, "setgroups" }, /* 81 */ { 0, "getpgrp" }, /* 82 */ { 0, "setpgid" }, /* 83 */ { 0, "setitimer" }, { 0, }, /* 84 is old wait */ /* 85 */ { 0, "swapon" }, /* 86 */ { 0, "getitimer" }, { 0, }, /* 87 is old gethostname */ { 0, }, /* 88 is old sethostname */ { 0, }, /* 89 is old getdtablesize */ { do_dup2, "dup2" }, { 0, }, /* 91 */ /* 92 */ { do_fcntl, "fcntl" }, /* 93 */ { 0, "select" }, { 0, }, /* 94 */ /* 95 */ { 0, "fsync" }, /* 96 */ { 0, "setpriority" }, /* 97 */ { 0, "socket" }, /* 98 */ { 0, "connect" }, { 0, }, /* 99 is old accept */ /* 100 */ { 0, "getpriority" }, { 0, }, /* 101 is old send */ { 0, }, /* 102 is old recv */ /* 103 */ { 0, "sigreturn" }, /* 104 */ { 0, "bind" }, /* 105 */ { 0, "setsockopt" }, /* 106 */ { 0, "listen" }, { 0, }, /* 107 is obsolete vtimes */ { 0, }, /* 108 is old sigvec */ { 0, }, /* 109 is old sigblock */ { 0, }, /* 110 is old sigsetmask */ /* 111 */ { 0, "sigsuspend" }, { 0, }, /* 112 is old sigstack */ { 0, }, /* 113 is old recvmsg */ { 0, }, /* 114 is old sendmsg */ /* - is obsolete vtrace */ { 0, "vtrace 115" }, /* 116 */ { do_gettimeofday, "gettimeofday" }, /* 117 */ { do_getrusage, "getrusage" }, /* 118 */ { 0, "getsockopt" }, /* 119 */ { 0, "resuba" }, /* 120 */ { 0, "readv" }, /* 121 */ { 0, "writev" }, /* 122 */ { 0, "settimeofday" }, /* 123 */ { 0, "fchown" }, /* 124 */ { 0, "fchmod" }, { 0, }, /* 125 is old recvfrom */ { 0, }, /* 126 is old setreuid */ { 0, }, /* 127 is old setregid */ /* 128 */ { 0, "rename" }, { 0, }, /* 129 is old truncate */ { 0, }, /* 130 is old ftruncate */ /* 131 */ { 0, "flock" }, /* 132 */ { 0, "mkfifo" }, /* 133 */ { 0, "sendto" }, /* 134 */ { 0, "shutdown" }, /* 135 */ { 0, "socketpair" }, /* 136 */ { 0, "mkdir" }, /* 137 */ { 0, "rmdir" }, /* 138 */ { 0, "utimes" }, { 0, }, /* 139 is obsolete 4.2 sigreturn */ /* 140 */ { 0, "adjtime" }, { 0, }, /* 141 is old getpeername */ { 0, }, /* 142 is old gethostid */ { 0, }, /* 143 is old sethostid */ { 0, }, /* 144 is old getrlimit */ { 0, }, /* 145 is old setrlimit */ { 0, }, /* 146 is old killpg */ /* 147 */ { 0, "setsid" }, /* 148 */ { 0, "quotactl" }, { 0, }, /* 149 is old quota */ { 0, }, /* 150 is old getsockname */ { 0, }, /* 151 */ { 0, }, /* 152 */ { 0, }, /* 153 */ { 0, }, /* 154 */ /* 155 */ { 0, "nfssvc" }, { 0, }, /* 156 is old getdirentries */ /* 157 */ { 0, "statfs" }, /* 158 */ { do_fstatfs, "fstatfs" }, { 0, }, /* 159 */ { 0, }, /* 160 */ /* 161 */ { 0, "getfh" }, { 0, }, /* 162 is old getdomainname */ { 0, }, /* 163 is old setdomainname */ { 0, }, /* 164 is old uname */ /* 165 */ { 0, "sysarch" }, { 0, }, /* 166 */ { 0, }, /* 167 */ { 0, }, /* 168 */ /* 169 */ { 0, "semsys" }, /* 170 */ { 0, "msgsys" }, /* 171 */ { 0, "shmsys" }, { 0, }, /* 172 */ { 0, }, /* 173 */ { 0, }, /* 174 */ { 0, }, /* 175 */ { 0, }, /* 176 */ { 0, }, /* 177 */ { 0, }, /* 178 */ { 0, }, /* 179 */ { 0, }, /* 180 */ /* 181 */ { 0, "setgid" }, /* 182 */ { 0, "setegid" }, /* 183 */ { 0, "seteuid" }, /* 184 */ { 0, "lfs_bmapv" }, /* 185 */ { 0, "lfs_markv" }, /* 186 */ { 0, "lfs_segclean" }, /* 187 */ { 0, "lfs_segwait" }, /* 188 */ { do_stat, "stat" }, /* 189 */ { do_fstat, "fstat" }, /* 190 */ { do_lstat, "lstat" }, /* 191 */ { 0, "pathconf" }, /* 192 */ { 0, "fpathconf" }, { 0, }, /* 193 */ /* 194 */ { 0, "getrlimit" }, /* 195 */ { 0, "setrlimit" }, /* 196 */ { do_getdirentries, "getdirentries" }, /* 197 */ { 0, "mmap" }, /* 198 */ { do___syscall, "__syscall" }, /* 199 */ { do_lseek, "lseek" }, /* 200 */ { 0, "truncate" }, /* 201 */ { 0, "ftruncate" }, /* 202 */ { do___sysctl, "__sysctl" }, /* 203 */ { 0, "mlock" }, /* 204 */ { 0, "munlock" }, }; static char *(netbsd_error_names[]) = { /* 0 */ "ESUCCESS", /* 1 */ "EPERM", /* 2 */ "ENOENT", /* 3 */ "ESRCH", /* 4 */ "EINTR", /* 5 */ "EIO", /* 6 */ "ENXIO", /* 7 */ "E2BIG", /* 8 */ "ENOEXEC", /* 9 */ "EBADF", /* 10 */ "ECHILD", /* 11 */ "EDEADLK", /* 12 */ "ENOMEM", /* 13 */ "EACCES", /* 14 */ "EFAULT", /* 15 */ "ENOTBLK", /* 16 */ "EBUSY", /* 17 */ "EEXIST", /* 18 */ "EXDEV", /* 19 */ "ENODEV", /* 20 */ "ENOTDIR", /* 21 */ "EISDIR", /* 22 */ "EINVAL", /* 23 */ "ENFILE", /* 24 */ "EMFILE", /* 25 */ "ENOTTY", /* 26 */ "ETXTBSY", /* 27 */ "EFBIG", /* 28 */ "ENOSPC", /* 29 */ "ESPIPE", /* 30 */ "EROFS", /* 31 */ "EMLINK", /* 32 */ "EPIPE", /* 33 */ "EDOM", /* 34 */ "ERANGE", /* 35 */ "EAGAIN", /* 36 */ "EINPROGRESS", /* 37 */ "EALREADY", /* 38 */ "ENOTSOCK", /* 39 */ "EDESTADDRREQ", /* 40 */ "EMSGSIZE", /* 41 */ "EPROTOTYPE", /* 42 */ "ENOPROTOOPT", /* 43 */ "EPROTONOSUPPORT", /* 44 */ "ESOCKTNOSUPPORT", /* 45 */ "EOPNOTSUPP", /* 46 */ "EPFNOSUPPORT", /* 47 */ "EAFNOSUPPORT", /* 48 */ "EADDRINUSE", /* 49 */ "EADDRNOTAVAIL", /* 50 */ "ENETDOWN", /* 51 */ "ENETUNREACH", /* 52 */ "ENETRESET", /* 53 */ "ECONNABORTED", /* 54 */ "ECONNRESET", /* 55 */ "ENOBUFS", /* 56 */ "EISCONN", /* 57 */ "ENOTCONN", /* 58 */ "ESHUTDOWN", /* 59 */ "ETOOMANYREFS", /* 60 */ "ETIMEDOUT", /* 61 */ "ECONNREFUSED", /* 62 */ "ELOOP", /* 63 */ "ENAMETOOLONG", /* 64 */ "EHOSTDOWN", /* 65 */ "EHOSTUNREACH", /* 66 */ "ENOTEMPTY", /* 67 */ "EPROCLIM", /* 68 */ "EUSERS", /* 69 */ "EDQUOT", /* 70 */ "ESTALE", /* 71 */ "EREMOTE", /* 72 */ "EBADRPC", /* 73 */ "ERPCMISMATCH", /* 74 */ "EPROGUNAVAIL", /* 75 */ "EPROGMISMATCH", /* 76 */ "EPROCUNAVAIL", /* 77 */ "ENOLCK", /* 78 */ "ENOSYS", /* 79 */ "EFTYPE", /* 80 */ "EAUTH", /* 81 */ "ENEEDAUTH", /* 82 */ "EIDRM", /* 83 */ "ENOMSG", /* 84 */ "EOVERFLOW", /* 85 */ "EILSEQ", /* 86 */ "ENOTSUP", /* 87 */ "ECANCELED", /* 88 */ "EBADMSG", /* 89 */ "ENODATA", /* 90 */ "ENOSR", /* 91 */ "ENOSTR", /* 92 */ "ETIME", /* 93 */ "ENOATTR", /* 94 */ "EMULTIHOP", /* 95 */ "ENOLINK", /* 96 */ "EPROTO", /* 97 */ "EOWNERDEAD", /* 98 */ "ENOTRECOVERABLE", /* 98 */ "ELAST", }; static char *(netbsd_signal_names[]) = { /* 0 */ 0, /* 1 */ "SIGHUP", /* 2 */ "SIGINT", /* 3 */ "SIGQUIT", /* 4 */ "SIGILL", /* 5 */ "SIGTRAP", /* 6 */ "SIGABRT", /* 7 */ "SIGEMT", /* 8 */ "SIGFPE", /* 9 */ "SIGKILL", /* 10 */ "SIGBUS", /* 11 */ "SIGSEGV", /* 12 */ "SIGSYS", /* 13 */ "SIGPIPE", /* 14 */ "SIGALRM", /* 15 */ "SIGTERM", /* 16 */ "SIGURG", /* 17 */ "SIGSTOP", /* 18 */ "SIGTSTP", /* 19 */ "SIGCONT", /* 20 */ "SIGCHLD", /* 21 */ "SIGTTIN", /* 22 */ "SIGTTOU", /* 23 */ "SIGIO", /* 24 */ "SIGXCPU", /* 25 */ "SIGXFSZ", /* 26 */ "SIGVTALRM", /* 27 */ "SIGPROF", /* 28 */ "SIGWINCH", /* 29 */ "SIGINFO", /* 30 */ "SIGUSR1", /* 31 */ "SIGUSR2", /* 32 */ "SIGPWR", /* 33 */ "SIGRTMIN", /* 34 */ "SIGRTMIN+1", /* 35 */ "SIGRTMIN+2", /* 36 */ "SIGRTMIN+3", /* 37 */ "SIGRTMIN+4", /* 38 */ "SIGRTMIN+5", /* 39 */ "SIGRTMIN+6", /* 40 */ "SIGRTMIN+7", /* 41 */ "SIGRTMIN+8", /* 42 */ "SIGRTMIN+9", /* 43 */ "SIGRTMIN+10", /* 44 */ "SIGRTMIN+11", /* 45 */ "SIGRTMIN+12", /* 46 */ "SIGRTMIN+13", /* 47 */ "SIGRTMIN+14", /* 48 */ "SIGRTMIN+15", /* 49 */ "SIGRTMIN+16", /* 50 */ "SIGRTMIN+17", /* 51 */ "SIGRTMIN+18", /* 52 */ "SIGRTMIN+19", /* 53 */ "SIGRTMIN+20", /* 54 */ "SIGRTMIN+21", /* 55 */ "SIGRTMIN+22", /* 56 */ "SIGRTMIN+23", /* 57 */ "SIGRTMIN+24", /* 58 */ "SIGRTMIN+25", /* 59 */ "SIGRTMIN+26", /* 60 */ "SIGRTMIN+27", /* 61 */ "SIGRTMIN+28", /* 62 */ "SIGRTMIN+29", /* 63 */ "SIGRTMAX", }; static emul_syscall emul_netbsd_syscalls = { netbsd_descriptors, ARRAY_SIZE (netbsd_descriptors), netbsd_error_names, ARRAY_SIZE (netbsd_error_names), netbsd_signal_names, ARRAY_SIZE (netbsd_signal_names), }; /* NetBSD's os_emul interface, most are just passed on to the generic syscall stuff */ static os_emul_data * emul_netbsd_create(device *root, bfd *image, const char *name) { unsigned_word top_of_stack; unsigned stack_size; int elf_binary; os_emul_data *bsd_data; device *vm; char *filename; /* check that this emulation is really for us */ if (name != NULL && strcmp(name, "netbsd") != 0) return NULL; if (image == NULL) return NULL; /* merge any emulation specific entries into the device tree */ /* establish a few defaults */ if (image->xvec->flavour == bfd_target_elf_flavour) { elf_binary = 1; top_of_stack = 0xe0000000; stack_size = 0x00100000; } else { elf_binary = 0; top_of_stack = 0x20000000; stack_size = 0x00100000; } /* options */ emul_add_tree_options(root, image, "netbsd", (WITH_ENVIRONMENT == USER_ENVIRONMENT ? "user" : "virtual"), 0 /*oea-interrupt-prefix*/); /* virtual memory - handles growth of stack/heap */ vm = tree_parse(root, "/openprom/vm"); tree_parse(vm, "./stack-base 0x%lx", (unsigned long)(top_of_stack - stack_size)); tree_parse(vm, "./nr-bytes 0x%x", stack_size); filename = tree_quote_property (bfd_get_filename(image)); tree_parse(root, "/openprom/vm/map-binary/file-name %s", filename); free (filename); /* finish the init */ tree_parse(root, "/openprom/init/register/pc 0x%lx", (unsigned long)bfd_get_start_address(image)); tree_parse(root, "/openprom/init/register/sp 0x%lx", (unsigned long)top_of_stack); tree_parse(root, "/openprom/init/register/msr 0x%x", ((tree_find_boolean_property(root, "/options/little-endian?") ? msr_little_endian_mode : 0) | (tree_find_boolean_property(root, "/openprom/options/floating-point?") ? (msr_floating_point_available | msr_floating_point_exception_mode_0 | msr_floating_point_exception_mode_1) : 0))); tree_parse(root, "/openprom/init/stack/stack-type %s", (elf_binary ? "ppc-elf" : "ppc-xcoff")); /* finally our emulation data */ bsd_data = ZALLOC(os_emul_data); bsd_data->vm = vm; bsd_data->syscalls = &emul_netbsd_syscalls; return bsd_data; } static void emul_netbsd_init(os_emul_data *emul_data, int nr_cpus) { fd_closed[0] = 0; fd_closed[1] = 0; fd_closed[2] = 0; } static void emul_netbsd_system_call(cpu *processor, unsigned_word cia, os_emul_data *emul_data) { emul_do_system_call(emul_data, emul_data->syscalls, cpu_registers(processor)->gpr[0], 3, /*r3 contains arg0*/ processor, cia); } const os_emul emul_netbsd = { "netbsd", emul_netbsd_create, emul_netbsd_init, emul_netbsd_system_call, 0, /*instruction_call*/ 0 /*data*/ }; #endif /* _EMUL_NETBSD_C_ */