/* This file is part of the program psim.
- Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
+ Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
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 2 of the License, or
+ 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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+
*/
#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 "emul_generic.h"
+#include "emul_netbsd.h"
#ifdef HAVE_STRING_H
#include <string.h>
#include <stdio.h>
#include <signal.h>
#include <fcntl.h>
-#include <sys/errno.h>
+#include <errno.h>
#include <sys/param.h>
#include <sys/time.h>
+
+#ifdef HAVE_GETRUSAGE
+#ifndef HAVE_SYS_RESOURCE_H
+#undef HAVE_GETRUSAGE
+#endif
+#endif
+
+#ifdef HAVE_GETRUSAGE
#include <sys/resource.h>
+int getrusage();
+#endif
+
+#if HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
-#include <sys/mount.h>
-#include <sys/dirent.h>
+#endif
+
+#if HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# if HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
#ifdef HAVE_UNISTD_H
+#undef MAXPATHLEN /* sys/param.h might define this also */
#include <unistd.h>
#endif
#if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
#include <sys/syscall.h> /* FIXME - should not be including this one */
#include <sys/sysctl.h>
+#include <sys/mount.h>
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
#if (BSD < 199306) /* here BSD as just a bug */
#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,
H2T(buf.st_nlink);
H2T(buf.st_uid);
H2T(buf.st_gid);
- H2T(buf.st_rdev);
H2T(buf.st_size);
H2T(buf.st_atime);
/* H2T(buf.st_spare1); */
/* 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);
emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
}
-
-#if NetBSD
+
+#ifdef HAVE_FSTATFS
STATIC_INLINE_EMUL_NETBSD void
write_statfs(unsigned_word addr,
struct statfs buf,
}
#endif
-
+
STATIC_INLINE_EMUL_NETBSD void
write_timeval(unsigned_word addr,
struct timeval t,
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,
H2T(tz.tz_dsttime);
emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
}
+#endif
-
-#if WITH_NetBSD_HOST
+#ifdef HAVE_GETDIRENTRIES
STATIC_INLINE_EMUL_NETBSD void
write_direntries(unsigned_word addr,
char *buf,
struct dirent *in = (struct dirent*)buf;
ASSERT(in->d_reclen <= nbytes);
out = (struct dirent*)zalloc(in->d_reclen);
- bcopy(in, out, in->d_reclen);
+ memcpy(out/*dest*/, in/*src*/, in->d_reclen);
H2T(out->d_fileno);
H2T(out->d_reclen);
H2T(out->d_type);
nbytes -= in->d_reclen;
addr += in->d_reclen;
buf += in->d_reclen;
- zfree(out);
+ free(out);
}
}
#endif
+#ifdef HAVE_GETRUSAGE
STATIC_INLINE_EMUL_NETBSD void
write_rusage(unsigned_word addr,
struct rusage rusage,
H2T(rusage.ru_nivcsw); /* involuntary context switches */
emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_exit(emulation *emul,
+
+/* 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,
}
-STATIC_INLINE_EMUL_NETBSD void
-do_read(emulation *emul,
+static void
+do_read(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
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 = -1;
}
#endif
- status = read (d, scratch_buffer, nbytes);
-
- if (status == -1) {
- cpu_registers(processor)->gpr[0] = errno;
- } else {
- cpu_registers(processor)->gpr[3] = status;
-
- if (status > 0)
- emul_write_buffer(scratch_buffer, buf, status, processor, cia);
- }
-
- zfree(scratch_buffer);
+ 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_INLINE_EMUL_NETBSD void
-do_write(emulation *emul,
+static void
+do_write(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
unsigned_word cia)
{
void *scratch_buffer = NULL;
- int nr_moved;
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 */
- nr_moved = vm_data_map_read_buffer(cpu_data_map(processor),
- scratch_buffer,
- buf,
- nbytes);
- if (nr_moved != nbytes) {
- /* FIXME - should handle better */
- error("system_call()write copy failed (nr_moved=%d != nbytes=%d)\n",
- nr_moved, nbytes);
- }
-
+ emul_read_buffer(scratch_buffer, buf, nbytes,
+ processor, cia);
+
/* write */
- status = write(d, scratch_buffer, nbytes);
+ status = fdbad (d);
+ if (status == 0)
+ status = write(d, scratch_buffer, nbytes);
+
emul_write_status(processor, status, errno);
- zfree(scratch_buffer);
+ free(scratch_buffer);
+
+ flush_stdoutput();
}
-STATIC_INLINE_EMUL_NETBSD void
-do_open(emulation *emul,
+static void
+do_open(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
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);
- emul_write_status(processor, open(path, flags, mode), errno);
+
+ /* 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_INLINE_EMUL_NETBSD void
-do_close(emulation *emul,
+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);
- emul_write_status(processor, close(d), errno);
+
+ 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_INLINE_EMUL_NETBSD void
-do_break(emulation *emul,
+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 */
{
- psim *system = cpu_system(processor);
- const device *vm = psim_device(system, "/vm");
+ /* 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);
- vm->callback->ioctl(vm,
- system,
- processor,
- cia,
- 0, /*ioctl*/
- NULL); /*ioctl-data*/
+ status = device_ioctl(emul->vm,
+ processor,
+ cia,
+ device_ioctl_break,
+ new_break); /*ioctl-data*/
+ emul_write_status(processor, 0, status);
}
-STATIC_INLINE_EMUL_NETBSD void
-do_getpid(emulation *emul,
+#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);
- cpu_registers(processor)->gpr[3] = (int)getpid();
+ emul_write_status(processor, (int)getpid(), 0);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_getuid(emulation *emul,
+#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);
- cpu_registers(processor)->gpr[3] = (int)getuid();
+ emul_write_status(processor, (int)getuid(), 0);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_geteuid(emulation *emul,
+#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);
- cpu_registers(processor)->gpr[3] = (int)geteuid();
+ emul_write_status(processor, (int)geteuid(), 0);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_kill(emulation *emul,
+#ifndef HAVE_KILL
+#define do_kill 0
+#else
+static void
+do_kill(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
printf_filtered ("%d, %d", (int)pid, sig);
SYS(kill);
- printf_filtered("SYS_kill at 0x%x - more to this than just being killed\n",
- cia);
+ 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
-
-STATIC_INLINE_EMUL_NETBSD void
-do_dup(emulation *emul,
+#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 = dup(oldd);
+ 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, errno);
+ emul_write_status(processor, status, err);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_getegid(emulation *emul,
+#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);
- cpu_registers(processor)->gpr[3] = (int)getegid();
+ emul_write_status(processor, (int)getegid(), 0);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_getgid(emulation *emul,
+#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);
- cpu_registers(processor)->gpr[3] = (int)getgid();
+ emul_write_status(processor, (int)getgid(), 0);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_sigprocmask(emulation *emul,
+#ifndef HAVE_SIGPROCMASK
+#define do_sigprocmask 0
+#else
+static void
+do_sigprocmask(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
natural_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%ld, 0x%ld", (long)how, (long)set, (long)oset);
- cpu_registers(processor)->gpr[3] = 0;
+ emul_write_status(processor, 0, 0);
cpu_registers(processor)->gpr[4] = set;
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_ioctl(emulation *emul,
+#ifndef HAVE_IOCTL
+#define do_ioctl 0
+#else
+static void
+do_ioctl(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
#if !WITH_NetBSD_HOST
cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
#else
- unsigned param_len = IOCPARM_LEN(request);
- unsigned basecmd = IOCBASECMD(request);
- unsigned group = IOCGROUP(request);
unsigned dir = request & IOC_DIRMASK;
- char *argp = NULL;
int status;
SYS(ioctl);
/* what we haven't done */
|| dir & IOC_OUT
|| !(dir & IOC_VOID))
error("do_ioctl() read or write of parameter not implemented\n");
- status = ioctl(d, request, NULL);
+ 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
-
-STATIC_INLINE_EMUL_NETBSD void
-do_umask(emulation *emul,
+#ifndef HAVE_UMASK
+#define do_umask 0
+#else
+static void
+do_umask(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
printf_filtered ("0%o", mask);
SYS(umask);
- cpu_registers(processor)->gpr[3] = umask(mask);
+ emul_write_status(processor, umask(mask), 0);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_dup2(emulation *emul,
+#ifndef HAVE_DUP2
+#define do_dup2 0
+#else
+static void
+do_dup2(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
{
int oldd = cpu_registers(processor)->gpr[arg0];
int newd = cpu_registers(processor)->gpr[arg0+1];
- int status = dup2(oldd, newd);
+ 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, errno);
+ emul_write_status(processor, status, err);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_fcntl(emulation *emul,
+#ifndef HAVE_FCNTL
+#define do_fcntl 0
+#else
+static void
+do_fcntl(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
printf_filtered ("%d, %d, %d", fd, cmd, arg);
SYS(fcntl);
- status = fcntl(fd, cmd, arg);
+ status = fdbad (fd);
+ if (status == 0)
+ status = fcntl(fd, cmd, arg);
emul_write_status(processor, status, errno);
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_gettimeofday(emulation *emul,
+#ifndef HAVE_GETTIMEOFDAY
+#define do_gettimeofday 0
+#else
+static void
+do_gettimeofday(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
struct timezone tz;
int status = gettimeofday((t_addr != 0 ? &t : NULL),
(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, errno);
+ emul_write_status(processor, status, err);
if (status == 0) {
if (t_addr != 0)
write_timeval(t_addr, t, processor, cia);
write_timezone(tz_addr, tz, processor, cia);
}
}
+#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_getrusage(emulation *emul,
+#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 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, errno);
+ emul_write_status(processor, status, err);
if (status == 0) {
if (rusage_addr != 0)
write_rusage(rusage_addr, rusage, processor, cia);
}
}
+#endif
-#if !WITH_NetBSD_HOST
+#ifndef HAVE_FSTATFS
#define do_fstatfs 0
#else
-STATIC_INLINE_EMUL_NETBSD void
-do_fstatfs(emulation *emul,
+static void
+do_fstatfs(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
SYS(fstatfs);
- status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
+ 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)
}
#endif
-
-STATIC_INLINE_EMUL_NETBSD void
-do_stat(emulation *emul,
+#ifndef HAVE_STAT
+#define do_stat 0
+#else
+static void
+do_stat(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
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
-
-STATIC_INLINE_EMUL_NETBSD void
-do_fstat(emulation *emul,
+#ifndef HAVE_FSTAT
+#define do_fstat 0
+#else
+static void
+do_fstat(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
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);
- emul_write_status(processor, fstat(fd, &buf), errno);
+#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
-
-STATIC_INLINE_EMUL_NETBSD void
-do_lstat(emulation *emul,
+#ifndef HAVE_LSTAT
+#define do_lstat 0
+#else
+static void
+do_lstat(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
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);
- emul_write_status(processor, stat(path, &buf), errno);
+#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
-
-#if !WITH_NetBSD_HOST
+#ifndef HAVE_GETDIRENTRIES
#define do_getdirentries 0
#else
-STATIC_INLINE_EMUL_NETBSD void
-do_getdirentries(emulation *emul,
+static void
+do_getdirentries(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
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
if (status > 0)
write_direntries(buf_addr, buf, status, processor, cia);
if (buf != NULL)
- zfree(buf);
+ free(buf);
}
#endif
-STATIC_INLINE_EMUL_NETBSD void
-do___syscall(emulation *emul,
+static void
+do___syscall(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
unsigned_word cia)
{
SYS(__syscall);
- emul_do_call(emul,
- cpu_registers(processor)->gpr[arg0],
- arg0 + 1,
- processor,
- cia);
+ emul_do_system_call(emul,
+ emul->syscalls,
+ cpu_registers(processor)->gpr[arg0],
+ arg0 + 1,
+ processor,
+ cia);
}
-
-STATIC_INLINE_EMUL_NETBSD void
-do_lseek(emulation *emul,
+#ifndef HAVE_LSEEK
+#define do_lseek 0
+#else
+static void
+do_lseek(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
int whence = cpu_registers(processor)->gpr[arg0+4];
off_t status;
SYS(lseek);
- status = lseek(fildes, offset, whence);
+ 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_INLINE_EMUL_NETBSD void
-do___sysctl(emulation *emul,
+static void
+do___sysctl(os_emul_data *emul,
unsigned call,
const int arg0,
cpu *processor,
processor,
cia);
name += sizeof(mib);
-
+
/* see what to do with it ... */
- switch (mib) {
+ switch ((int)mib) {
case 6/*CTL_HW*/:
#if WITH_NetBSD_HOST && (CTL_HW != 6)
# error "CTL_HW"
processor,
cia);
name += sizeof(mib);
- switch (mib) {
+ switch ((int)mib) {
case 7/*HW_PAGESIZE*/:
#if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
# error "HW_PAGESIZE"
}
break;
default:
- error("sysctl() name[0]=%s unknown\n", (int)mib);
+ error("sysctl() name[0]=%d unknown\n", (int)mib);
break;
}
- cpu_registers(processor)->gpr[3] = 0;
+ emul_write_status(processor, 0, 0); /* always succeed */
}
-static emul_call_descriptor netbsd_descriptors[] = {
- /* 0 */ { 0, "syscall", { 0, }, 0 },
- /* 1 */ { do_exit, "exit", { 0, }, 0 },
- /* 2 */ { 0, "fork", { 0, }, 0 },
- /* 3 */ { do_read, "read", { 0, }, 0 },
- /* 4 */ { do_write, "write", { 0, }, 0 },
- /* 5 */ { do_open, "open", { 0, }, 0 },
- /* 6 */ { do_close, "close", { 0, }, 0 },
- /* 7 */ { 0, "wait4", { 0, }, 0 },
+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", { 0, }, 0 },
- /* 10 */ { 0, "unlink", { 0, }, 0 },
+ /* 9 */ { 0, "link" },
+ /* 10 */ { 0, "unlink" },
{ 0, }, /* 11 is obsolete execv */
- /* 12 */ { 0, "chdir", { 0, }, 0 },
- /* 13 */ { 0, "fchdir", { 0, }, 0 },
- /* 14 */ { 0, "mknod", { 0, }, 0 },
- /* 15 */ { 0, "chmod", { 0, }, 0 },
- /* 16 */ { 0, "chown", { 0, }, 0 },
- /* 17 */ { do_break, "break", { 0, }, 0 },
- /* 18 */ { 0, "getfsstat", { 0, }, 0 },
+ /* 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", { 0, }, 0 },
- /* 21 */ { 0, "mount", { 0, }, 0 },
- /* 22 */ { 0, "unmount", { 0, }, 0 },
- /* 23 */ { 0, "setuid", { 0, }, 0 },
- /* 24 */ { do_getuid, "getuid", { 0, }, 0 },
- /* 25 */ { do_geteuid, "geteuid", { 0, }, 0 },
- /* 26 */ { 0, "ptrace", { 0, }, 0 },
- /* 27 */ { 0, "recvmsg", { 0, }, 0 },
- /* 28 */ { 0, "sendmsg", { 0, }, 0 },
- /* 29 */ { 0, "recvfrom", { 0, }, 0 },
- /* 30 */ { 0, "accept", { 0, }, 0 },
- /* 31 */ { 0, "getpeername", { 0, }, 0 },
- /* 32 */ { 0, "getsockname", { 0, }, 0 },
- /* 33 */ { 0, "access", { 0, }, 0 },
- /* 34 */ { 0, "chflags", { 0, }, 0 },
- /* 35 */ { 0, "fchflags", { 0, }, 0 },
- /* 36 */ { 0, "sync", { 0, }, 0 },
- /* 37 */ { do_kill, "kill", { 0, }, 0 },
+ /* 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, }, 0 },
+ /* 39 */ { 0, "getppid" },
{ 0, }, /* 40 is old lstat */
- /* 41 */ { do_dup, "dup", { 0, }, 0 },
- /* 42 */ { 0, "pipe", { 0, }, 0 },
- /* 43 */ { do_getegid, "getegid", { 0, }, 0 },
- /* 44 */ { 0, "profil", { 0, }, 0 },
- /* 45 */ { 0, "ktrace", { 0, }, 0 },
- /* 46 */ { 0, "sigaction", { 0, }, 0 },
- /* 47 */ { do_getgid, "getgid", { 0, }, 0 },
- /* 48 */ { do_sigprocmask, "sigprocmask", { 0, }, 0 },
- /* 49 */ { 0, "getlogin", { 0, }, 0 },
- /* 50 */ { 0, "setlogin", { 0, }, 0 },
- /* 51 */ { 0, "acct", { 0, }, 0 },
- /* 52 */ { 0, "sigpending", { 0, }, 0 },
- /* 53 */ { 0, "sigaltstack", { 0, }, 0 },
- /* 54 */ { do_ioctl, "ioctl", { 0, }, 0 },
- /* 55 */ { 0, "reboot", { 0, }, 0 },
- /* 56 */ { 0, "revoke", { 0, }, 0 },
- /* 57 */ { 0, "symlink", { 0, }, 0 },
- /* 58 */ { 0, "readlink", { 0, }, 0 },
- /* 59 */ { 0, "execve", { 0, }, 0 },
- /* 60 */ { do_umask, "umask", { 0, }, 0 },
- /* 61 */ { 0, "chroot", { 0, }, 0 },
+ /* 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", { 0, }, 0 },
- /* 66 */ { 0, "vfork", { 0, }, 0 },
+ /* 65 */ { 0, "msync" },
+ /* 66 */ { 0, "vfork" },
{ 0, }, /* 67 is obsolete vread */
{ 0, }, /* 68 is obsolete vwrite */
- /* 69 */ { 0, "sbrk", { 0, }, 0 },
- /* 70 */ { 0, "sstk", { 0, }, 0 },
+ /* 69 */ { 0, "sbrk" },
+ /* 70 */ { 0, "sstk" },
{ 0, }, /* 71 is old mmap */
- /* 72 */ { 0, "vadvise", { 0, }, 0 },
- /* 73 */ { 0, "munmap", { 0, }, 0 },
- /* 74 */ { 0, "mprotect", { 0, }, 0 },
- /* 75 */ { 0, "madvise", { 0, }, 0 },
+ /* 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", { 0, }, 0 },
- /* 79 */ { 0, "getgroups", { 0, }, 0 },
- /* 80 */ { 0, "setgroups", { 0, }, 0 },
- /* 81 */ { 0, "getpgrp", { 0, }, 0 },
- /* 82 */ { 0, "setpgid", { 0, }, 0 },
- /* 83 */ { 0, "setitimer", { 0, }, 0 },
+ /* 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", { 0, }, 0 },
- /* 86 */ { 0, "getitimer", { 0, }, 0 },
+ /* 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, }, 0 },
+ { do_dup2, "dup2" },
{ 0, }, /* 91 */
- /* 92 */ { do_fcntl, "fcntl", { 0, }, 0 },
- /* 93 */ { 0, "select", { 0, }, 0 },
+ /* 92 */ { do_fcntl, "fcntl" },
+ /* 93 */ { 0, "select" },
{ 0, }, /* 94 */
- /* 95 */ { 0, "fsync", { 0, }, 0 },
- /* 96 */ { 0, "setpriority", { 0, }, 0 },
- /* 97 */ { 0, "socket", { 0, }, 0 },
- /* 98 */ { 0, "connect", { 0, }, 0 },
+ /* 95 */ { 0, "fsync" },
+ /* 96 */ { 0, "setpriority" },
+ /* 97 */ { 0, "socket" },
+ /* 98 */ { 0, "connect" },
{ 0, }, /* 99 is old accept */
- /* 100 */ { 0, "getpriority", { 0, }, 0 },
+ /* 100 */ { 0, "getpriority" },
{ 0, }, /* 101 is old send */
{ 0, }, /* 102 is old recv */
- /* 103 */ { 0, "sigreturn", { 0, }, 0 },
- /* 104 */ { 0, "bind", { 0, }, 0 },
- /* 105 */ { 0, "setsockopt", { 0, }, 0 },
- /* 106 */ { 0, "listen", { 0, }, 0 },
+ /* 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, }, 0 },
+ /* 111 */ { 0, "sigsuspend" },
{ 0, }, /* 112 is old sigstack */
{ 0, }, /* 113 is old recvmsg */
{ 0, }, /* 114 is old sendmsg */
- /* - is obsolete vtrace */ { 0, "vtrace 115", { 0, }, 0 },
- /* 116 */ { do_gettimeofday, "gettimeofday", { 0, }, 0 },
- /* 117 */ { do_getrusage, "getrusage", { 0, }, 0 },
- /* 118 */ { 0, "getsockopt", { 0, }, 0 },
- /* 119 */ { 0, "resuba", { 0, }, 0 },
- /* 120 */ { 0, "readv", { 0, }, 0 },
- /* 121 */ { 0, "writev", { 0, }, 0 },
- /* 122 */ { 0, "settimeofday", { 0, }, 0 },
- /* 123 */ { 0, "fchown", { 0, }, 0 },
- /* 124 */ { 0, "fchmod", { 0, }, 0 },
+ /* - 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, }, 0 },
+ /* 128 */ { 0, "rename" },
{ 0, }, /* 129 is old truncate */
{ 0, }, /* 130 is old ftruncate */
- /* 131 */ { 0, "flock", { 0, }, 0 },
- /* 132 */ { 0, "mkfifo", { 0, }, 0 },
- /* 133 */ { 0, "sendto", { 0, }, 0 },
- /* 134 */ { 0, "shutdown", { 0, }, 0 },
- /* 135 */ { 0, "socketpair", { 0, }, 0 },
- /* 136 */ { 0, "mkdir", { 0, }, 0 },
- /* 137 */ { 0, "rmdir", { 0, }, 0 },
- /* 138 */ { 0, "utimes", { 0, }, 0 },
+ /* 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, }, 0 },
+ /* 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", { 0, }, 0 },
- /* 148 */ { 0, "quotactl", { 0, }, 0 },
+ /* 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, }, 0 },
+ /* 155 */ { 0, "nfssvc" },
{ 0, }, /* 156 is old getdirentries */
- /* 157 */ { 0, "statfs", { 0, }, 0 },
- /* 158 */ { do_fstatfs, "fstatfs", { 0, }, 0 },
+ /* 157 */ { 0, "statfs" },
+ /* 158 */ { do_fstatfs, "fstatfs" },
{ 0, }, /* 159 */
{ 0, }, /* 160 */
- /* 161 */ { 0, "getfh", { 0, }, 0 },
+ /* 161 */ { 0, "getfh" },
{ 0, }, /* 162 is old getdomainname */
{ 0, }, /* 163 is old setdomainname */
{ 0, }, /* 164 is old uname */
- /* 165 */ { 0, "sysarch", { 0, }, 0 },
+ /* 165 */ { 0, "sysarch" },
{ 0, }, /* 166 */
{ 0, }, /* 167 */
{ 0, }, /* 168 */
- /* 169 */ { 0, "semsys", { 0, }, 0 },
- /* 170 */ { 0, "msgsys", { 0, }, 0 },
- /* 171 */ { 0, "shmsys", { 0, }, 0 },
+ /* 169 */ { 0, "semsys" },
+ /* 170 */ { 0, "msgsys" },
+ /* 171 */ { 0, "shmsys" },
{ 0, }, /* 172 */
{ 0, }, /* 173 */
{ 0, }, /* 174 */
{ 0, }, /* 178 */
{ 0, }, /* 179 */
{ 0, }, /* 180 */
- /* 181 */ { 0, "setgid", { 0, }, 0 },
- /* 182 */ { 0, "setegid", { 0, }, 0 },
- /* 183 */ { 0, "seteuid", { 0, }, 0 },
- /* 184 */ { 0, "lfs_bmapv", { 0, }, 0 },
- /* 185 */ { 0, "lfs_markv", { 0, }, 0 },
- /* 186 */ { 0, "lfs_segclean", { 0, }, 0 },
- /* 187 */ { 0, "lfs_segwait", { 0, }, 0 },
- /* 188 */ { do_stat, "stat", { 0, }, 0 },
- /* 189 */ { do_fstat, "fstat", { 0, }, 0 },
- /* 190 */ { do_lstat, "lstat", { 0, }, 0 },
- /* 191 */ { 0, "pathconf", { 0, }, 0 },
- /* 192 */ { 0, "fpathconf", { 0, }, 0 },
+ /* 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", { 0, }, 0 },
- /* 195 */ { 0, "setrlimit", { 0, }, 0 },
- /* 196 */ { do_getdirentries, "getdirentries", { 0, }, 0 },
- /* 197 */ { 0, "mmap", { 0, }, 0 },
- /* 198 */ { do___syscall, "__syscall", { 0, }, 0 },
- /* 199 */ { do_lseek, "lseek", { 0, }, 0 },
- /* 200 */ { 0, "truncate", { 0, }, 0 },
- /* 201 */ { 0, "ftruncate", { 0, }, 0 },
- /* 202 */ { do___sysctl, "__sysctl", { 0, }, 0 },
- /* 203 */ { 0, "mlock", { 0, }, 0 },
- /* 204 */ { 0, "munlock", { 0, }, 0 },
+ /* 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",
/* 31 */ "SIGUSR2",
};
-emulation emul_netbsd = {
+static emul_syscall emul_netbsd_syscalls = {
netbsd_descriptors,
- sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
+ ARRAY_SIZE (netbsd_descriptors),
netbsd_error_names,
- sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
+ ARRAY_SIZE (netbsd_error_names),
netbsd_signal_names,
- sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
+ 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_ */
+#endif /* _EMUL_NETBSD_C_ */
projects / deliverable / binutils-gdb.git / blobdiff