/* Machine independent support for QNX Neutrino /proc (process file system)
for GDB. Written by Colin Burgess at QNX Software Systems Limited.
- Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ Copyright (C) 2003-2019 Free Software Foundation, Inc.
Contributed by QNX Software Systems Ltd.
#include "solib.h"
#include "inf-child.h"
#include "common/filestuff.h"
+#include "common/scoped_fd.h"
#define NULL_PID 0
#define _DEBUG_FLAG_TRACE (_DEBUG_FLAG_TRACE_EXEC|_DEBUG_FLAG_TRACE_RD|\
static procfs_run run;
-static ptid_t do_attach (ptid_t ptid);
+/* Create the "native" and "procfs" targets. */
+
+struct nto_procfs_target : public inf_child_target
+{
+ void open (const char *arg, int from_tty) override;
+
+ void attach (const char *, int) override = 0;
+
+ void post_attach (int);
+
+ void detach (inferior *, int) override;
+
+ void resume (ptid_t, int, enum gdb_signal) override;
+
+ ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
+
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+
+ enum target_xfer_status xfer_partial (enum target_object object,
+ const char *annex,
+ gdb_byte *readbuf,
+ const gdb_byte *writebuf,
+ ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len) override;
+
+ void files_info () override;
+
+ int insert_breakpoint (struct gdbarch *, struct bp_target_info *) override;
+
+ int remove_breakpoint (struct gdbarch *, struct bp_target_info *,
+ enum remove_bp_reason) override;
+
+ int can_use_hw_breakpoint (enum bptype, int, int) override;
+
+ int insert_hw_breakpoint (struct gdbarch *, struct bp_target_info *) override;
+
+ int remove_hw_breakpoint (struct gdbarch *, struct bp_target_info *) override;
+
+ int insert_watchpoint (CORE_ADDR, int, enum target_hw_bp_type,
+ struct expression *) override;
+
+ int remove_watchpoint (CORE_ADDR, int, enum target_hw_bp_type,
+ struct expression *) override;
+
+ bool stopped_by_watchpoint () override;
+
+ void kill () override;
+
+ void create_inferior (const char *, const std::string &,
+ char **, int) override;
+
+ void mourn_inferior () override;
+
+ void pass_signals (gdb::array_view<const unsigned char>) override;
+
+ bool thread_alive (ptid_t ptid) override;
+
+ void update_thread_list () override;
+
+ std::string pid_to_str (ptid_t) override;
+
+ void interrupt () override;
-static int procfs_can_use_hw_breakpoint (struct target_ops *self,
- enum bptype, int, int);
+ const char *extra_thread_info (struct thread_info *) override;
-static int procfs_insert_hw_watchpoint (struct target_ops *self,
- CORE_ADDR addr, int len,
- enum target_hw_bp_type type,
- struct expression *cond);
+ char *pid_to_exec_file (int pid) override;
+};
-static int procfs_remove_hw_watchpoint (struct target_ops *self,
- CORE_ADDR addr, int len,
- enum target_hw_bp_type type,
- struct expression *cond);
+/* For "target native". */
-static int procfs_stopped_by_watchpoint (struct target_ops *ops);
+static const target_info nto_native_target_info = {
+ "native",
+ N_("QNX Neutrino local process"),
+ N_("QNX Neutrino local process (started by the \"run\" command).")
+};
+
+class nto_procfs_target_native final : public nto_procfs_target
+{
+ const target_info &info () const override
+ { return nto_native_target_info; }
+};
+
+/* For "target procfs <node>". */
+
+static const target_info nto_procfs_target_info = {
+ "procfs",
+ N_("QNX Neutrino local or remote process"),
+ N_("QNX Neutrino process. target procfs NODE")
+};
+
+struct nto_procfs_target_procfs final : public nto_procfs_target
+{
+ const target_info &info () const override
+ { return nto_procfs_target_info; }
+};
+
+static ptid_t do_attach (ptid_t ptid);
/* These two globals are only ever set in procfs_open_1, but are
referenced elsewhere. 'nto_procfs_node' is a flag used to say
<arg>' from the (gdb) prompt. For QNX6 (nto), the only valid arg
will be a QNX node string, eg: "/net/some_node". If arg is not a
valid QNX node, we will default to local. */
-static void
-procfs_open_1 (struct target_ops *ops, const char *arg, int from_tty)
+void
+nto_procfs_target::open (const char *arg, int from_tty)
{
char *endstr;
char buffer[50];
- int fd, total_size;
+ int total_size;
procfs_sysinfo *sysinfo;
- struct cleanup *cleanups;
char nto_procfs_path[PATH_MAX];
/* Offer to kill previous inferiors before opening this target. */
nto_procfs_node = ND_LOCAL_NODE;
nodestr = (arg != NULL) ? xstrdup (arg) : NULL;
- init_thread_list ();
-
if (nodestr)
{
nto_procfs_node = netmgr_strtond (nodestr, &endstr);
snprintf (nto_procfs_path, PATH_MAX - 1, "%s%s",
(nodestr != NULL) ? nodestr : "", "/proc");
- fd = open (nto_procfs_path, O_RDONLY);
- if (fd == -1)
+ scoped_fd fd (open (nto_procfs_path, O_RDONLY));
+ if (fd.get () == -1)
{
printf_filtered ("Error opening %s : %d (%s)\n", nto_procfs_path, errno,
safe_strerror (errno));
error (_("Invalid procfs arg"));
}
- cleanups = make_cleanup_close (fd);
sysinfo = (void *) buffer;
- if (devctl (fd, DCMD_PROC_SYSINFO, sysinfo, sizeof buffer, 0) != EOK)
+ if (devctl (fd.get (), DCMD_PROC_SYSINFO, sysinfo, sizeof buffer, 0) != EOK)
{
printf_filtered ("Error getting size: %d (%s)\n", errno,
safe_strerror (errno));
}
else
{
- if (devctl (fd, DCMD_PROC_SYSINFO, sysinfo, total_size, 0) != EOK)
+ if (devctl (fd.get (), DCMD_PROC_SYSINFO, sysinfo, total_size, 0)
+ != EOK)
{
printf_filtered ("Error getting sysinfo: %d (%s)\n", errno,
safe_strerror (errno));
}
}
}
- do_cleanups (cleanups);
- inf_child_open_target (ops, arg, from_tty);
+ inf_child_target::open (arg, from_tty);
printf_filtered ("Debugging using %s\n", nto_procfs_path);
}
{
pid_t tid;
- tid = ptid_get_tid (ptid);
+ tid = ptid.tid ();
devctl (ctl_fd, DCMD_PROC_CURTHREAD, &tid, sizeof (tid), 0);
}
-/* Return nonzero if the thread TH is still alive. */
-static int
-procfs_thread_alive (struct target_ops *ops, ptid_t ptid)
+/* Return true if the thread TH is still alive. */
+
+bool
+nto_procfs_target::thread_alive (ptid_t ptid)
{
pid_t tid;
pid_t pid;
procfs_status status;
int err;
- tid = ptid_get_tid (ptid);
- pid = ptid_get_pid (ptid);
+ tid = ptid.tid ();
+ pid = ptid.pid ();
if (kill (pid, 0) == -1)
- return 0;
+ return false;
status.tid = tid;
if ((err = devctl (ctl_fd, DCMD_PROC_TIDSTATUS,
&status, sizeof (status), 0)) != EOK)
- return 0;
+ return false;
/* Thread is alive or dead but not yet joined,
or dead and there is an alive (or dead unjoined) thread with
update_thread_private_data_name (struct thread_info *new_thread,
const char *newname)
{
- int newnamelen;
- struct private_thread_info *pti;
+ nto_thread_info *pti = get_nto_thread_info (new_thread);
gdb_assert (newname != NULL);
gdb_assert (new_thread != NULL);
- newnamelen = strlen (newname);
- if (!new_thread->priv)
- {
- new_thread->priv = xmalloc (offsetof (struct private_thread_info,
- name)
- + newnamelen + 1);
- memcpy (new_thread->priv->name, newname, newnamelen + 1);
- }
- else if (strcmp (newname, new_thread->priv->name) != 0)
+
+ if (pti)
{
- /* Reallocate if neccessary. */
- int oldnamelen = strlen (new_thread->priv->name);
-
- if (oldnamelen < newnamelen)
- new_thread->priv = xrealloc (new_thread->priv,
- offsetof (struct private_thread_info,
- name)
- + newnamelen + 1);
- memcpy (new_thread->priv->name, newname, newnamelen + 1);
+ pti = new nto_thread_info;
+ new_thread->priv.reset (pti);
}
+
+ pti->name = newname;
}
static void
update_thread_private_data (struct thread_info *new_thread,
pthread_t tid, int state, int flags)
{
- struct private_thread_info *pti;
procfs_info pidinfo;
struct _thread_name *tn;
procfs_threadctl tctl;
update_thread_private_data_name (new_thread, tn->name_buf);
- pti = (struct private_thread_info *) new_thread->priv;
+ nto_thread_info *pti = get_nto_thread_info (new_thread);
pti->tid = tid;
pti->state = state;
pti->flags = flags;
#endif /* _NTO_VERSION */
}
-static void
-procfs_update_thread_list (struct target_ops *ops)
+void
+nto_procfs_target::update_thread_list ()
{
procfs_status status;
pid_t pid;
prune_threads ();
- pid = ptid_get_pid (inferior_ptid);
+ pid = inferior_ptid.pid ();
status.tid = 1;
returned different tid, meaning the requested tid no longer exists
(e.g. thread exited). */
continue;
- ptid = ptid_build (pid, 0, tid);
+ ptid = ptid_t (pid, 0, tid);
new_thread = find_thread_ptid (ptid);
if (!new_thread)
new_thread = add_thread (ptid);
}
static void
-do_closedir_cleanup (void *dir)
+procfs_pidlist (const char *args, int from_tty)
{
- closedir (dir);
-}
-
-static void
-procfs_pidlist (char *args, int from_tty)
-{
- DIR *dp = NULL;
struct dirent *dirp = NULL;
char buf[PATH_MAX];
procfs_info *pidinfo = NULL;
pid_t num_threads = 0;
pid_t pid;
char name[512];
- struct cleanup *cleanups;
char procfs_dir[PATH_MAX];
snprintf (procfs_dir, sizeof (procfs_dir), "%s%s",
(nodestr != NULL) ? nodestr : "", "/proc");
- dp = opendir (procfs_dir);
+ gdb_dir_up dp (opendir (procfs_dir));
if (dp == NULL)
{
fprintf_unfiltered (gdb_stderr, "failed to opendir \"%s\" - %d (%s)",
return;
}
- cleanups = make_cleanup (do_closedir_cleanup, dp);
-
/* Start scan at first pid. */
- rewinddir (dp);
+ rewinddir (dp.get ());
do
{
- int fd;
- struct cleanup *inner_cleanup;
-
/* Get the right pid and procfs path for the pid. */
do
{
- dirp = readdir (dp);
+ dirp = readdir (dp.get ());
if (dirp == NULL)
- {
- do_cleanups (cleanups);
- return;
- }
+ return;
snprintf (buf, sizeof (buf), "%s%s/%s/as",
(nodestr != NULL) ? nodestr : "",
"/proc", dirp->d_name);
while (pid == 0);
/* Open the procfs path. */
- fd = open (buf, O_RDONLY);
- if (fd == -1)
+ scoped_fd fd (open (buf, O_RDONLY));
+ if (fd.get () == -1)
{
fprintf_unfiltered (gdb_stderr, "failed to open %s - %d (%s)\n",
buf, errno, safe_strerror (errno));
continue;
}
- inner_cleanup = make_cleanup_close (fd);
pidinfo = (procfs_info *) buf;
- if (devctl (fd, DCMD_PROC_INFO, pidinfo, sizeof (buf), 0) != EOK)
+ if (devctl (fd.get (), DCMD_PROC_INFO, pidinfo, sizeof (buf), 0) != EOK)
{
fprintf_unfiltered (gdb_stderr,
"devctl DCMD_PROC_INFO failed - %d (%s)\n",
num_threads = pidinfo->num_threads;
info = (procfs_debuginfo *) buf;
- if (devctl (fd, DCMD_PROC_MAPDEBUG_BASE, info, sizeof (buf), 0) != EOK)
+ if (devctl (fd.get (), DCMD_PROC_MAPDEBUG_BASE, info, sizeof (buf), 0)
+ != EOK)
strcpy (name, "unavailable");
else
strcpy (name, info->path);
for (status->tid = 1; status->tid <= num_threads; status->tid++)
{
const int err
- = devctl (fd, DCMD_PROC_TIDSTATUS, status, sizeof (buf), 0);
+ = devctl (fd.get (), DCMD_PROC_TIDSTATUS, status, sizeof (buf), 0);
printf_filtered ("%s - %d", name, pid);
if (err == EOK && status->tid != 0)
printf_filtered ("/%d\n", status->tid);
break;
}
}
-
- do_cleanups (inner_cleanup);
}
while (dirp != NULL);
-
- do_cleanups (cleanups);
- return;
}
static void
-procfs_meminfo (char *args, int from_tty)
+procfs_meminfo (const char *args, int from_tty)
{
procfs_mapinfo *mapinfos = NULL;
static int num_mapinfos = 0;
}
/* Print status information about what we're accessing. */
-static void
-procfs_files_info (struct target_ops *ignore)
+void
+nto_procfs_target::files_info ()
{
struct inferior *inf = current_inferior ();
printf_unfiltered ("\tUsing the running image of %s %s via %s.\n",
inf->attach_flag ? "attached" : "child",
- target_pid_to_str (inferior_ptid),
+ target_pid_to_str (inferior_ptid).c_str (),
(nodestr != NULL) ? nodestr : "local node");
}
/* Target to_pid_to_exec_file implementation. */
-static char *
-procfs_pid_to_exec_file (struct target_ops *ops, const int pid)
+char *
+nto_procfs_target::pid_to_exec_file (const int pid)
{
int proc_fd;
static char proc_path[PATH_MAX];
}
/* Attach to process PID, then initialize for debugging it. */
-static void
-procfs_attach (struct target_ops *ops, const char *args, int from_tty)
+void
+nto_procfs_target::attach (const char *args, int from_tty)
{
char *exec_file;
int pid;
if (exec_file)
printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
- target_pid_to_str (pid_to_ptid (pid)));
+ target_pid_to_str (ptid_t (pid)).c_str ());
else
printf_unfiltered ("Attaching to %s\n",
- target_pid_to_str (pid_to_ptid (pid)));
-
- gdb_flush (gdb_stdout);
+ target_pid_to_str (ptid_t (pid)).c_str ());
}
- inferior_ptid = do_attach (pid_to_ptid (pid));
+ inferior_ptid = do_attach (ptid_t (pid));
inf = current_inferior ();
inferior_appeared (inf, pid);
inf->attach_flag = 1;
procfs_update_thread_list (ops);
}
-static void
-procfs_post_attach (struct target_ops *self, pid_t pid)
+void
+nto_procfs_target::post_attach (pid_t pid)
{
if (exec_bfd)
solib_create_inferior_hook (0);
char path[PATH_MAX];
snprintf (path, PATH_MAX - 1, "%s%s/%d/as",
- (nodestr != NULL) ? nodestr : "", "/proc", ptid_get_pid (ptid));
+ (nodestr != NULL) ? nodestr : "", "/proc", ptid.pid ());
ctl_fd = open (path, O_RDWR);
if (ctl_fd == -1)
error (_("Couldn't open proc file %s, error %d (%s)"), path, errno,
if (devctl (ctl_fd, DCMD_PROC_STATUS, &status, sizeof (status), 0) == EOK
&& status.flags & _DEBUG_FLAG_STOPPED)
- SignalKill (nto_node (), ptid_get_pid (ptid), 0, SIGCONT, 0, 0);
+ SignalKill (nto_node (), ptid.pid (), 0, SIGCONT, 0, 0);
nto_init_solib_absolute_prefix ();
- return ptid_build (ptid_get_pid (ptid), 0, status.tid);
+ return ptid_t (ptid.pid (), 0, status.tid);
}
/* Ask the user what to do when an interrupt is received. */
if (query (_("Interrupted while waiting for the program.\n\
Give up (and stop debugging it)? ")))
{
- target_mourn_inferior ();
+ target_mourn_inferior (inferior_ptid);
quit ();
}
}
/* If this doesn't work, try more severe steps. */
signal (signo, nto_handle_sigint_twice);
- target_interrupt (inferior_ptid);
+ target_interrupt ();
}
-static ptid_t
-procfs_wait (struct target_ops *ops,
- ptid_t ptid, struct target_waitstatus *ourstatus, int options)
+sptid_t
+nto_procfs_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
+ int options)
{
sigset_t set;
siginfo_t info;
ourstatus->kind = TARGET_WAITKIND_SPURIOUS;
- if (ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid == null_ptid)
{
ourstatus->kind = TARGET_WAITKIND_STOPPED;
ourstatus->value.sig = GDB_SIGNAL_0;
{
int waitval = 0;
- waitpid (ptid_get_pid (inferior_ptid), &waitval, WNOHANG);
+ waitpid (inferior_ptid.pid (), &waitval, WNOHANG);
if (exit_signo)
{
/* Abnormal death. */
}
}
- return ptid_build (status.pid, 0, status.tid);
+ return ptid_t (status.pid, 0, status.tid);
}
/* Read the current values of the inferior's registers, both the
general register set and floating point registers (if supported)
and update gdb's idea of their current values. */
-static void
-procfs_fetch_registers (struct target_ops *ops,
- struct regcache *regcache, int regno)
+void
+nto_procfs_target::fetch_registers (struct regcache *regcache, int regno)
{
union
{
reg;
int regsize;
- procfs_set_thread (inferior_ptid);
+ procfs_set_thread (regcache->ptid ());
if (devctl (ctl_fd, DCMD_PROC_GETGREG, ®, sizeof (reg), ®size) == EOK)
nto_supply_gregset (regcache, (char *) ®.greg);
if (devctl (ctl_fd, DCMD_PROC_GETFPREG, ®, sizeof (reg), ®size)
/* Target to_xfer_partial implementation. */
-static enum target_xfer_status
-procfs_xfer_partial (struct target_ops *ops, enum target_object object,
- const char *annex, gdb_byte *readbuf,
- const gdb_byte *writebuf, ULONGEST offset, ULONGEST len,
- ULONGEST *xfered_len)
+enum target_xfer_status
+nto_procfs_target::xfer_partial (enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset,
+ ULONGEST len, ULONGEST *xfered_len)
{
switch (object)
{
}
/* Fallthru */
default:
- return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
- readbuf, writebuf, offset, len,
- xfered_len);
+ return this->beneath ()->xfer_partial (object, annex,
+ readbuf, writebuf, offset, len,
+ xfered_len);
}
}
The program resumes execution and will no longer stop
on signals, etc. We'd better not have left any breakpoints
in the program or it'll die when it hits one. */
-static void
-procfs_detach (struct target_ops *ops, const char *args, int from_tty)
+void
+nto_procfs_target::detach (inferior *inf, int from_tty)
{
- int siggnal = 0;
int pid;
target_announce_detach ();
- if (args)
- siggnal = atoi (args);
-
if (siggnal)
- SignalKill (nto_node (), ptid_get_pid (inferior_ptid), 0, siggnal, 0, 0);
+ SignalKill (nto_node (), inferior_ptid.pid (), 0, 0, 0, 0);
close (ctl_fd);
ctl_fd = -1;
- pid = ptid_get_pid (inferior_ptid);
+ pid = inferior_ptid.pid ();
inferior_ptid = null_ptid;
detach_inferior (pid);
init_thread_list ();
return 0;
}
-static int
-procfs_insert_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt)
+int
+nto_procfs_target::insert_breakpoint (struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt)
{
bp_tgt->placed_address = bp_tgt->reqstd_address;
return procfs_breakpoint (bp_tgt->placed_address, _DEBUG_BREAK_EXEC, 0);
}
-static int
-procfs_remove_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt,
- enum remove_bp_reason reason)
+int
+nto_procfs_target::remove_breakpoint (struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt,
+ enum remove_bp_reason reason)
{
return procfs_breakpoint (bp_tgt->placed_address, _DEBUG_BREAK_EXEC, -1);
}
-static int
-procfs_insert_hw_breakpoint (struct target_ops *self, struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt)
+int
+nto_procfs_target::insert_hw_breakpoint (struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt)
{
bp_tgt->placed_address = bp_tgt->reqstd_address;
return procfs_breakpoint (bp_tgt->placed_address,
_DEBUG_BREAK_EXEC | _DEBUG_BREAK_HW, 0);
}
-static int
-procfs_remove_hw_breakpoint (struct target_ops *self,
- struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt)
+int
+nto_procfs_target::remove_hw_breakpoint (struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt)
{
return procfs_breakpoint (bp_tgt->placed_address,
_DEBUG_BREAK_EXEC | _DEBUG_BREAK_HW, -1);
}
-static void
-procfs_resume (struct target_ops *ops,
- ptid_t ptid, int step, enum gdb_signal signo)
+void
+nto_procfs_target::resume (ptid_t ptid, int step, enum gdb_signal signo)
{
int signal_to_pass;
procfs_status status;
sigset_t *run_fault = (sigset_t *) (void *) &run.fault;
- if (ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid == null_ptid)
return;
- procfs_set_thread (ptid_equal (ptid, minus_one_ptid) ? inferior_ptid :
+ procfs_set_thread (ptid == minus_one_ptid ? inferior_ptid :
ptid);
run.flags = _DEBUG_RUN_FAULT | _DEBUG_RUN_TRACE;
{
if (signal_to_pass != status.info.si_signo)
{
- SignalKill (nto_node (), ptid_get_pid (inferior_ptid), 0,
+ SignalKill (nto_node (), inferior_ptid.pid (), 0,
signal_to_pass, 0, 0);
run.flags |= _DEBUG_RUN_CLRFLT | _DEBUG_RUN_CLRSIG;
}
}
}
-static void
-procfs_mourn_inferior (struct target_ops *ops)
+void
+nto_procfs_target::mourn_inferior ()
{
- if (!ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid != null_ptid)
{
- SignalKill (nto_node (), ptid_get_pid (inferior_ptid), 0, SIGKILL, 0, 0);
+ SignalKill (nto_node (), inferior_ptid.pid (), 0, SIGKILL, 0, 0);
close (ctl_fd);
}
inferior_ptid = null_ptid;
*argv = NULL;
}
-static void
-procfs_create_inferior (struct target_ops *ops, char *exec_file,
- char *allargs, char **env, int from_tty)
+void
+nto_procfs_target::create_inferior (const char *exec_file,
+ const std::string &allargs,
+ char **env, int from_tty)
{
struct inheritance inherit;
pid_t pid;
const char *inferior_io_terminal = get_inferior_io_terminal ();
struct inferior *inf;
- argv = xmalloc (((strlen (allargs) + 1) / (unsigned) 2 + 2) *
+ argv = xmalloc ((allargs.size () / (unsigned) 2 + 2) *
sizeof (*argv));
argv[0] = get_exec_file (1);
if (!argv[0])
return;
}
- args = xstrdup (allargs);
+ args = xstrdup (allargs.c_str ());
breakup_args (args, (exec_file != NULL) ? &argv[1] : &argv[0]);
argv = nto_parse_redirection (argv, &in, &out, &err);
if (fds[2] != STDERR_FILENO)
close (fds[2]);
- inferior_ptid = do_attach (pid_to_ptid (pid));
+ inferior_ptid = do_attach (ptid_t (pid));
procfs_update_thread_list (ops);
inf = current_inferior ();
}
if (!target_is_pushed (ops))
push_target (ops);
- target_terminal_init ();
+ target_terminal::init ();
if (exec_bfd != NULL
|| (symfile_objfile != NULL && symfile_objfile->obfd != NULL))
solib_create_inferior_hook (0);
}
-static void
-procfs_interrupt (struct target_ops *self, ptid_t ptid)
+void
+nto_procfs_target::interrupt ()
{
devctl (ctl_fd, DCMD_PROC_STOP, NULL, 0, 0);
}
-static void
-procfs_kill_inferior (struct target_ops *ops)
+void
+nto_procfs_target::kill ()
{
- target_mourn_inferior ();
+ target_mourn_inferior (inferior_ptid);
}
/* Fill buf with regset and return devctl cmd to do the setting. Return
return dev_set;
}
-static void
-procfs_store_registers (struct target_ops *ops,
- struct regcache *regcache, int regno)
+void
+nto_procfs_target::store_registers (struct regcache *regcache, int regno)
{
union
{
unsigned off;
int len, regset, regsize, dev_set, err;
char *data;
+ ptid_t ptid = regcache->ptid ();
- if (ptid_equal (inferior_ptid, null_ptid))
+ if (ptid == null_ptid)
return;
- procfs_set_thread (inferior_ptid);
+ procfs_set_thread (ptid);
if (regno == -1)
{
if (dev_set == -1)
return;
- len = nto_register_area (get_regcache_arch (regcache),
+ len = nto_register_area (regcache->arch (),
regno, regset, &off);
if (len < 1)
return;
- regcache_raw_collect (regcache, regno, (char *) ® + off);
+ regcache->raw_collect (regno, (char *) ® + off);
err = devctl (ctl_fd, dev_set, ®, regsize, 0);
if (err != EOK)
/* Set list of signals to be handled in the target. */
-static void
-procfs_pass_signals (struct target_ops *self,
- int numsigs, unsigned char *pass_signals)
+void
+nto_procfs_target::pass_signals
+ (gdb::array_view<const unsigned char> pass_signals)
{
int signo;
for (signo = 1; signo < NSIG; signo++)
{
int target_signo = gdb_signal_from_host (signo);
- if (target_signo < numsigs && pass_signals[target_signo])
+ if (target_signo < pass_signals.size () && pass_signals[target_signo])
sigdelset (&run.trace, signo);
}
}
-static char *
-procfs_pid_to_str (struct target_ops *ops, ptid_t ptid)
+std::string
+nto_procfs_target::pid_to_str (ptid_t ptid)
{
- static char buf[1024];
- int pid, tid, n;
+ int pid, tid;
struct tidinfo *tip;
- pid = ptid_get_pid (ptid);
- tid = ptid_get_tid (ptid);
-
- n = snprintf (buf, 1023, "process %d", pid);
+ pid = ptid.pid ();
+ tid = ptid.tid ();
#if 0 /* NYI */
tip = procfs_thread_info (pid, tid);
snprintf (&buf[n], 1023, " (state = 0x%02x)", tip->state);
#endif
- return buf;
+ return string_printf ("process %d", pid);
}
/* to_can_run implementation for "target procfs". Note this really
"target procfs <node>" wouldn't make sense as default run target, as
it needs <node>. */
-static int
-procfs_can_run (struct target_ops *self)
+int
+nto_procfs_target::can_run ()
{
return 0;
}
/* "target procfs". */
-static struct target_ops nto_procfs_ops;
+static nto_procfs_target_procfs nto_procfs_ops;
/* "target native". */
-static struct target_ops *nto_native_ops;
-
-/* to_open implementation for "target procfs". */
-
-static void
-procfs_open (const char *arg, int from_tty)
-{
- procfs_open_1 (&nto_procfs_ops, arg, from_tty);
-}
-
-/* to_open implementation for "target native". */
-
-static void
-procfs_native_open (const char *arg, int from_tty)
-{
- procfs_open_1 (nto_native_ops, arg, from_tty);
-}
+static nto_procfs_target_native nto_native_ops;
/* Create the "native" and "procfs" targets. */
static void
init_procfs_targets (void)
{
- struct target_ops *t = inf_child_target ();
-
- /* Leave to_shortname as "native". */
- t->to_longname = "QNX Neutrino local process";
- t->to_doc = "QNX Neutrino local process (started by the \"run\" command).";
- t->to_open = procfs_native_open;
- t->to_attach = procfs_attach;
- t->to_post_attach = procfs_post_attach;
- t->to_detach = procfs_detach;
- t->to_resume = procfs_resume;
- t->to_wait = procfs_wait;
- t->to_fetch_registers = procfs_fetch_registers;
- t->to_store_registers = procfs_store_registers;
- t->to_xfer_partial = procfs_xfer_partial;
- t->to_files_info = procfs_files_info;
- t->to_insert_breakpoint = procfs_insert_breakpoint;
- t->to_remove_breakpoint = procfs_remove_breakpoint;
- t->to_can_use_hw_breakpoint = procfs_can_use_hw_breakpoint;
- t->to_insert_hw_breakpoint = procfs_insert_hw_breakpoint;
- t->to_remove_hw_breakpoint = procfs_remove_hw_breakpoint;
- t->to_insert_watchpoint = procfs_insert_hw_watchpoint;
- t->to_remove_watchpoint = procfs_remove_hw_watchpoint;
- t->to_stopped_by_watchpoint = procfs_stopped_by_watchpoint;
- t->to_kill = procfs_kill_inferior;
- t->to_create_inferior = procfs_create_inferior;
- t->to_mourn_inferior = procfs_mourn_inferior;
- t->to_pass_signals = procfs_pass_signals;
- t->to_thread_alive = procfs_thread_alive;
- t->to_update_thread_list = procfs_update_thread_list;
- t->to_pid_to_str = procfs_pid_to_str;
- t->to_interrupt = procfs_interrupt;
- t->to_have_continuable_watchpoint = 1;
- t->to_extra_thread_info = nto_extra_thread_info;
- t->to_pid_to_exec_file = procfs_pid_to_exec_file;
-
- nto_native_ops = t;
-
/* Register "target native". This is the default run target. */
- add_target (t);
+ add_target (nto_native_target_info, inf_child_open_target);
+ set_native_target (&nto_native_ops);
/* Register "target procfs <node>". */
- nto_procfs_ops = *t;
- nto_procfs_ops.to_shortname = "procfs";
- nto_procfs_ops.to_can_run = procfs_can_run;
- t->to_longname = "QNX Neutrino local or remote process";
- t->to_doc = "QNX Neutrino process. target procfs <node>";
- t->to_open = procfs_open;
-
- add_target (&nto_procfs_ops);
+ add_target (nto_procfs_target_info, inf_child_open_target);
}
#define OSTYPE_NTO 1
-extern initialize_file_ftype _initialize_procfs;
-
void
_initialize_procfs (void)
{
return 0;
}
-static int
-procfs_can_use_hw_breakpoint (struct target_ops *self,
- enum bptype type,
- int cnt, int othertype)
+bool
+nto_procfs_target::can_use_hw_breakpoint (enum bptype type,
+ int cnt, int othertype)
{
return 1;
}
-static int
-procfs_remove_hw_watchpoint (struct target_ops *self,
- CORE_ADDR addr, int len,
- enum target_hw_bp_type type,
- struct expression *cond)
+int
+nto_procfs_target::remove_hw_watchpoint (CORE_ADDR addr, int len,
+ enum target_hw_bp_type type,
+ struct expression *cond)
{
return procfs_hw_watchpoint (addr, -1, type);
}
-static int
-procfs_insert_hw_watchpoint (struct target_ops *self,
- CORE_ADDR addr, int len,
- enum target_hw_bp_type type,
- struct expression *cond)
+int
+nto_procfs_target::insert_hw_watchpoint (CORE_ADDR addr, int len,
+ enum target_hw_bp_type type,
+ struct expression *cond)
{
return procfs_hw_watchpoint (addr, len, type);
}
-static int
-procfs_stopped_by_watchpoint (struct target_ops *ops)
+bool
+nto_procfs_target::stopped_by_watchpoint ()
{
/* NOTE: nto_stopped_by_watchpoint will be called ONLY while we are
stopped due to a SIGTRAP. This assumes gdb works in 'all-stop' mode;
projects / thirdparty / binutils-gdb.git / blobdiff