/* Interface GDB to the GNU Hurd.
- Copyright (C) 1992-2016 Free Software Foundation, Inc.
+ Copyright (C) 1992-2017 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#include "defs.h"
-
-#include <ctype.h>
-#include <limits.h>
-#include <setjmp.h>
-#include <signal.h>
-#include <sys/ptrace.h>
-
+/* Mach/Hurd headers are not yet ready for C++ compilation. */
+extern "C"
+{
#include <mach.h>
#include <mach_error.h>
#include <mach/exception.h>
#include <hurd/sigpreempt.h>
#include <portinfo.h>
+}
+
+#include "defs.h"
+
+#include <ctype.h>
+#include <limits.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <sys/ptrace.h>
#include "inferior.h"
#include "symtab.h"
#include "gdbcore.h"
#include "gdbthread.h"
#include "gdb_obstack.h"
+#include "tid-parse.h"
#include "gnu-nat.h"
#include "inf-child.h"
+/* MIG stubs are not yet ready for C++ compilation. */
+extern "C"
+{
#include "exc_request_S.h"
#include "notify_S.h"
#include "process_reply_S.h"
#include "msg_reply_S.h"
#include "exc_request_U.h"
#include "msg_U.h"
+}
static process_t proc_server = MACH_PORT_NULL;
struct proc *make_proc (struct inf *inf, mach_port_t port, int tid);
struct proc *_proc_free (struct proc *proc);
int proc_update_sc (struct proc *proc);
-error_t proc_get_exception_port (struct proc *proc, mach_port_t * port);
-error_t proc_set_exception_port (struct proc *proc, mach_port_t port);
+kern_return_t proc_get_exception_port (struct proc *proc, mach_port_t * port);
+kern_return_t proc_set_exception_port (struct proc *proc, mach_port_t port);
static mach_port_t _proc_get_exc_port (struct proc *proc);
void proc_steal_exc_port (struct proc *proc, mach_port_t exc_port);
void proc_restore_exc_port (struct proc *proc);
afterwards). This effects INF's threads' resume_sc count. */
#define INF_RESUME_MSGPORT_RPC(inf, rpc_expr) \
(inf_set_threads_resume_sc_for_signal_thread (inf) \
- ? ({ error_t __e; \
+ ? ({ kern_return_t __e; \
inf_resume (inf); \
__e = INF_MSGPORT_RPC (inf, rpc_expr); \
inf_suspend (inf); \
if (!proc->state_valid)
{
mach_msg_type_number_t state_size = THREAD_STATE_SIZE;
- error_t err =
+ kern_return_t err =
thread_get_state (proc->port, THREAD_STATE_FLAVOR,
(thread_state_t) &proc->state, &state_size);
\f
/* Set PORT to PROC's exception port. */
-error_t
+kern_return_t
proc_get_exception_port (struct proc * proc, mach_port_t * port)
{
if (proc_is_task (proc))
}
/* Set PROC's exception port to PORT. */
-error_t
+kern_return_t
proc_set_exception_port (struct proc * proc, mach_port_t port)
{
proc_debug (proc, "setting exception port: %lu", port);
_proc_get_exc_port (struct proc *proc)
{
mach_port_t exc_port;
- error_t err = proc_get_exception_port (proc, &exc_port);
+ kern_return_t err = proc_get_exception_port (proc, &exc_port);
if (err)
/* PROC must be dead. */
if (cur_exc_port)
{
- error_t err = 0;
+ kern_return_t err = 0;
proc_debug (proc, "inserting exception port: %lu", exc_port);
if (cur_exc_port)
{
- error_t err = 0;
+ kern_return_t err = 0;
proc_debug (proc, "restoring real exception port");
struct proc *
make_proc (struct inf *inf, mach_port_t port, int tid)
{
- error_t err;
+ kern_return_t err;
mach_port_t prev_port = MACH_PORT_NULL;
struct proc *proc = XNEW (struct proc);
void
inf_startup (struct inf *inf, int pid)
{
- error_t err;
+ kern_return_t err;
inf_debug (inf, "startup: pid = %d", pid);
task_port = MACH_PORT_NULL;
else
{
- error_t err = proc_pid2task (proc_server, pid, &task_port);
+ kern_return_t err = proc_pid2task (proc_server, pid, &task_port);
if (err)
error (_("Error getting task for pid %d: %s"),
struct procinfo *pi;
mach_msg_type_number_t pi_len = 0;
int info_flags = 0;
- error_t err =
+ kern_return_t err =
proc_getprocinfo (proc_server, inf->pid, &info_flags,
(procinfo_t *) &pi, &pi_len, &noise, &noise_len);
mach_msg_type_number_t pi_len = 0;
int info_flags = PI_FETCH_TASKINFO;
int suspend_count = -1;
- error_t err;
+ kern_return_t err;
retry:
err = proc_getprocinfo (proc_server, inf->pid, &info_flags,
if (inf->task->cur_sc < suspend_count)
{
- int abort;
-
- target_terminal_ours (); /* Allow I/O. */
- abort = !query (_("Pid %d has an additional task suspend count of %d;"
- " clear it? "), inf->pid,
- suspend_count - inf->task->cur_sc);
- target_terminal_inferior (); /* Give it back to the child. */
-
- if (abort)
+ if (!query (_("Pid %d has an additional task suspend count of %d;"
+ " clear it? "), inf->pid,
+ suspend_count - inf->task->cur_sc))
error (_("Additional task suspend count left untouched."));
inf->task->cur_sc = suspend_count;
/* Make it take effect immediately. */
{
sigset_t mask = on ? ~(sigset_t) 0 : 0;
- error_t err =
+ kern_return_t err =
INF_RESUME_MSGPORT_RPC (inf, msg_set_init_int (msgport, refport,
INIT_TRACEMASK, mask));
if (task)
{
- error_t err = task_threads (task->port, &threads, &num_threads);
+ kern_return_t err = task_threads (task->port, &threads, &num_threads);
inf_debug (inf, "fetching threads");
if (err)
void
inf_signal (struct inf *inf, enum gdb_signal sig)
{
- error_t err = 0;
+ kern_return_t err = 0;
int host_sig = gdb_signal_to_host (sig);
#define NAME gdb_signal_to_name (sig)
inf_continue (struct inf *inf)
{
process_t proc;
- error_t err = proc_pid2proc (proc_server, inf->pid, &proc);
+ kern_return_t err = proc_pid2proc (proc_server, inf->pid, &proc);
if (!err)
{
multi-threaded, we don't bother to lock this. */
struct inf *waiting_inf;
+/* MIG stubs are not yet ready for C++ compilation. */
+extern "C" int exc_server (mach_msg_header_t *, mach_msg_header_t *);
+extern "C" int msg_reply_server (mach_msg_header_t *, mach_msg_header_t *);
+extern "C" int notify_server (mach_msg_header_t *, mach_msg_header_t *);
+extern "C" int process_reply_server (mach_msg_header_t *, mach_msg_header_t *);
+
/* Wait for something to happen in the inferior, returning what in STATUS. */
static ptid_t
gnu_wait (struct target_ops *ops,
mach_msg_type_t type;
int data[8000];
} msg;
- error_t err;
+ kern_return_t err;
struct proc *thread;
struct inf *inf = gnu_current_inf;
- extern int exc_server (mach_msg_header_t *, mach_msg_header_t *);
- extern int msg_reply_server (mach_msg_header_t *, mach_msg_header_t *);
- extern int notify_server (mach_msg_header_t *, mach_msg_header_t *);
- extern int process_reply_server (mach_msg_header_t *, mach_msg_header_t *);
-
gdb_assert (inf->task);
if (!inf->threads && !inf->pending_execs)
\f
/* The rpc handler called by exc_server. */
-error_t
+kern_return_t
S_exception_raise_request (mach_port_t port, mach_port_t reply_port,
thread_t thread_port, task_t task_port,
int exception, int code, int subcode)
}
/* Notify server routines. The only real one is dead name notification. */
-error_t
+kern_return_t
do_mach_notify_dead_name (mach_port_t notify, mach_port_t dead_port)
{
struct inf *inf = waiting_inf;
\f
/* Process_reply server routines. We only use process_wait_reply. */
-error_t
-S_proc_wait_reply (mach_port_t reply, error_t err,
+kern_return_t
+S_proc_wait_reply (mach_port_t reply, kern_return_t err,
int status, int sigcode, rusage_t rusage, pid_t pid)
{
struct inf *inf = waiting_inf;
\f
/* Msg_reply server routines. We only use msg_sig_post_untraced_reply. */
-error_t
-S_msg_sig_post_untraced_reply (mach_port_t reply, error_t err)
+kern_return_t
+S_msg_sig_post_untraced_reply (mach_port_t reply, kern_return_t err)
{
struct inf *inf = waiting_inf;
}
ILL_RPC (S_msg_sig_post_reply,
- mach_port_t reply, error_t err)
+ mach_port_t reply, kern_return_t err)
\f
/* Returns the number of messages queued for the receive right PORT. */
static mach_port_msgcount_t
port_msgs_queued (mach_port_t port)
{
struct mach_port_status status;
- error_t err =
+ kern_return_t err =
mach_port_get_receive_status (mach_task_self (), port, &status);
if (err)
task_terminate (task->port);
inf_set_pid (gnu_current_inf, -1);
}
- target_mourn_inferior ();
+ target_mourn_inferior (inferior_ptid);
}
/* Clean up after the inferior dies. */
return gnu_current_inf;
}
+static void
+gnu_ptrace_me (void)
+{
+ /* We're in the child; make this process stop as soon as it execs. */
+ struct inf *inf = cur_inf ();
+ inf_debug (inf, "tracing self");
+ if (ptrace (PTRACE_TRACEME) != 0)
+ trace_start_error_with_name ("ptrace");
+}
+
static void
gnu_create_inferior (struct target_ops *ops,
- char *exec_file, char *allargs, char **env,
+ const char *exec_file, const std::string &allargs,
+ char **env,
int from_tty)
{
struct inf *inf = cur_inf ();
int pid;
- void trace_me (void)
- {
- /* We're in the child; make this process stop as soon as it execs. */
- inf_debug (inf, "tracing self");
- if (ptrace (PTRACE_TRACEME) != 0)
- error (_("ptrace (PTRACE_TRACEME) failed!"));
- }
-
inf_debug (inf, "creating inferior");
- pid = fork_inferior (exec_file, allargs, env, trace_me,
+ pid = fork_inferior (exec_file, allargs, env, gnu_ptrace_me,
NULL, NULL, NULL, NULL);
/* Attach to the now stopped child, which is actually a shell... */
startup_inferior (START_INFERIOR_TRAPS_EXPECTED);
inf->pending_execs = 0;
+ /* Get rid of the old shell threads. */
+ prune_threads ();
inf_validate_procinfo (inf);
inf_update_signal_thread (inf);
static int
gnu_read_inferior (task_t task, CORE_ADDR addr, gdb_byte *myaddr, int length)
{
- error_t err;
+ kern_return_t err;
vm_address_t low_address = (vm_address_t) trunc_page (addr);
vm_size_t aligned_length =
(vm_size_t) round_page (addr + length) - low_address;
gnu_write_inferior (task_t task, CORE_ADDR addr,
const gdb_byte *myaddr, int length)
{
- error_t err = 0;
+ kern_return_t err;
vm_address_t low_address = (vm_address_t) trunc_page (addr);
vm_size_t aligned_length =
(vm_size_t) round_page (addr + length) - low_address;
gnu_find_memory_regions (struct target_ops *self,
find_memory_region_ftype func, void *data)
{
- error_t err;
+ kern_return_t err;
task_t task;
vm_address_t region_address, last_region_address, last_region_end;
vm_prot_t last_protection;
return tid_str;
}
-static char *
+static const char *
gnu_pid_to_str (struct target_ops *ops, ptid_t ptid)
{
struct inf *inf = gnu_current_inf;
\f
static void
-set_task_pause_cmd (char *args, int from_tty)
+set_task_pause_cmd (int arg, int from_tty)
{
struct inf *inf = cur_inf ();
int old_sc = inf->pause_sc;
- inf->pause_sc = parse_bool_arg (args, "set task pause");
+ inf->pause_sc = arg;
if (old_sc == 0 && inf->pause_sc != 0)
/* If the task is currently unsuspended, immediately suspend it,
inf_suspend (inf);
}
+static void
+set_task_pause_cmd (char *args, int from_tty)
+{
+ set_task_pause_cmd (parse_bool_arg (args, "set task pause"), from_tty);
+}
+
static void
show_task_pause_cmd (char *args, int from_tty)
{
static void
steal_exc_port (struct proc *proc, mach_port_t name)
{
- error_t err;
+ kern_return_t err;
mach_port_t port;
mach_msg_type_name_t port_type;
if (!args || (!isdigit (*args) && strcmp (args, "none") != 0))
error (_("Illegal argument to \"set signal-thread\" command.\n"
- "Should be an integer thread ID, or `none'."));
+ "Should be a thread ID, or \"none\"."));
if (strcmp (args, "none") == 0)
inf->signal_thread = 0;
else
{
- ptid_t ptid = thread_id_to_pid (atoi (args));
-
- if (ptid_equal (ptid, minus_one_ptid))
- error (_("Thread ID %s not known. "
- "Use the \"info threads\" command to\n"
- "see the IDs of currently known threads."), args);
- inf->signal_thread = inf_tid_to_thread (inf, ptid_get_lwp (ptid));
+ struct thread_info *tp = parse_thread_id (args, NULL);
+ inf->signal_thread = inf_tid_to_thread (inf, ptid_get_lwp (tp->ptid));
}
}
\f
static void
-set_signals_cmd (char *args, int from_tty)
+set_signals_cmd (int arg, int from_tty)
{
struct inf *inf = cur_inf ();
- inf->want_signals = parse_bool_arg (args, "set signals");
+ inf->want_signals = arg;
if (inf->task && inf->want_signals != inf->traced)
/* Make this take effect immediately in a running process. */
inf_set_traced (inf, inf->want_signals);
}
+static void
+set_signals_cmd (char *args, int from_tty)
+{
+ set_signals_cmd(parse_bool_arg (args, "set signals"), from_tty);
+}
+
static void
show_signals_cmd (char *args, int from_tty)
{
}
static void
-set_exceptions_cmd (char *args, int from_tty)
+set_exceptions_cmd (int arg, int from_tty)
{
struct inf *inf = cur_inf ();
- int val = parse_bool_arg (args, "set exceptions");
/* Make this take effect immediately in a running process. */
/* XXX */ ;
- inf->want_exceptions = val;
+ inf->want_exceptions = arg;
+}
+
+static void
+set_exceptions_cmd (char *args, int from_tty)
+{
+ set_exceptions_cmd (parse_bool_arg (args, "set exceptions"), from_tty);
}
static void
set_noninvasive_cmd (char *args, int from_tty)
{
/* Invert the sense of the arg for each component. */
- char *inv_args = parse_bool_arg (args, "set noninvasive") ? "off" : "on";
+ int inv_arg = parse_bool_arg (args, "set noninvasive") ? 0 : 1;
- set_task_pause_cmd (inv_args, from_tty);
- set_signals_cmd (inv_args, from_tty);
- set_exceptions_cmd (inv_args, from_tty);
+ set_task_pause_cmd (inv_arg, from_tty);
+ set_signals_cmd (inv_arg, from_tty);
+ set_exceptions_cmd (inv_arg, from_tty);
}
\f
thread_basic_info_data_t _info;
thread_basic_info_t info = &_info;
mach_msg_type_number_t info_len = THREAD_BASIC_INFO_COUNT;
- error_t err =
+ kern_return_t err =
thread_info (thread->port, THREAD_BASIC_INFO, (int *) &info, &info_len);
if (err)
error (("%s."), safe_strerror (err));
flush_inferior_icache (CORE_ADDR pc, int amount)
{
vm_machine_attribute_val_t flush = MATTR_VAL_ICACHE_FLUSH;
- error_t ret;
+ kern_return_t ret;
ret = vm_machine_attribute (gnu_current_inf->task->port,
pc,
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