X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgnu-nat.c;h=0ad35ca33acd317410b0517929f4670827443f0b;hb=cc4d742f4ce05bf933397a513b953c0feeae0663;hp=1d74d0455c5fbfd69fdb71dcbfe6efa89929cc38;hpb=8c042590f977f3f8da4a8e9357ab4c11a7363438;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gnu-nat.c b/gdb/gnu-nat.c index 1d74d0455c..0ad35ca33a 100644 --- a/gdb/gnu-nat.c +++ b/gdb/gnu-nat.c @@ -1,6 +1,5 @@ /* Interface GDB to the GNU Hurd. - Copyright (C) 1992, 1995-2001, 2006-2012 Free Software Foundation, - Inc. + Copyright (C) 1992-2017 Free Software Foundation, Inc. This file is part of GDB. @@ -19,20 +18,11 @@ 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 . - */ - -#include "defs.h" - -#include -#include -#include -#include -#include -#include -#include "gdb_string.h" -#include + along with this program. If not, see . */ +/* Mach/Hurd headers are not yet ready for C++ compilation. */ +extern "C" +{ #include #include #include @@ -53,6 +43,15 @@ #include #include +} + +#include "defs.h" + +#include +#include +#include +#include +#include #include "inferior.h" #include "symtab.h" @@ -63,18 +62,22 @@ #include "gdbcmd.h" #include "gdbcore.h" #include "gdbthread.h" -#include "gdb_assert.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; @@ -89,7 +92,7 @@ int gnu_debug_flag = 0; /* Forward decls */ -struct inf *make_inf (); +static struct inf *make_inf (); void inf_clear_wait (struct inf *inf); void inf_cleanup (struct inf *inf); void inf_startup (struct inf *inf, int pid); @@ -98,7 +101,6 @@ void inf_set_pid (struct inf *inf, pid_t pid); void inf_validate_procs (struct inf *inf); void inf_steal_exc_ports (struct inf *inf); void inf_restore_exc_ports (struct inf *inf); -struct proc *inf_tid_to_proc (struct inf *inf, int tid); void inf_set_threads_resume_sc (struct inf *inf, struct proc *run_thread, int run_others); @@ -120,8 +122,8 @@ void proc_abort (struct proc *proc, int force); 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); @@ -140,7 +142,7 @@ int proc_trace (struct proc *proc, int set); 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); \ @@ -213,9 +215,9 @@ struct inf unsigned int no_wait:1; /* When starting a new inferior, we don't try to validate threads until all - the proper execs have been done. This is a count of how many execs we + the proper execs have been done, which this flag states we still expect to happen. */ - unsigned pending_execs; + unsigned int pending_execs:1; /* Fields describing global state. */ @@ -374,7 +376,7 @@ proc_get_state (struct proc *proc, int will_modify) 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); @@ -394,7 +396,7 @@ proc_get_state (struct proc *proc, int will_modify) /* 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)) @@ -404,10 +406,10 @@ proc_get_exception_port (struct proc * proc, mach_port_t * port) } /* 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: %d", port); + proc_debug (proc, "setting exception port: %lu", port); if (proc_is_task (proc)) return task_set_exception_port (proc->port, port); else @@ -419,7 +421,7 @@ static mach_port_t _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. */ @@ -445,9 +447,9 @@ proc_steal_exc_port (struct proc *proc, mach_port_t exc_port) if (cur_exc_port) { - error_t err = 0; + kern_return_t err = 0; - proc_debug (proc, "inserting exception port: %d", exc_port); + proc_debug (proc, "inserting exception port: %lu", exc_port); if (cur_exc_port != exc_port) /* Put in our exception port. */ @@ -468,7 +470,7 @@ proc_steal_exc_port (struct proc *proc, mach_port_t exc_port) proc->saved_exc_port = cur_exc_port; } - proc_debug (proc, "saved exception port: %d", proc->saved_exc_port); + proc_debug (proc, "saved exception port: %lu", proc->saved_exc_port); if (!err) proc->exc_port = exc_port; @@ -488,7 +490,7 @@ proc_restore_exc_port (struct proc *proc) if (cur_exc_port) { - error_t err = 0; + kern_return_t err = 0; proc_debug (proc, "restoring real exception port"); @@ -544,9 +546,9 @@ static int next_thread_id = 1; 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 = xmalloc (sizeof (struct proc)); + struct proc *proc = XNEW (struct proc); proc->port = port; proc->tid = tid; @@ -580,11 +582,11 @@ make_proc (struct inf *inf, mach_port_t port, int tid) MACH_MSG_TYPE_MAKE_SEND_ONCE, &prev_port); if (err) - warning (_("Couldn't request notification for port %d: %s"), + warning (_("Couldn't request notification for port %lu: %s"), port, safe_strerror (err)); else { - proc_debug (proc, "notifications to: %d", inf->event_port); + proc_debug (proc, "notifications to: %lu", inf->event_port); if (prev_port != MACH_PORT_NULL) mach_port_deallocate (mach_task_self (), prev_port); } @@ -640,10 +642,10 @@ _proc_free (struct proc *proc) } -struct inf * +static struct inf * make_inf (void) { - struct inf *inf = xmalloc (sizeof (struct inf)); + struct inf *inf = XNEW (struct inf); inf->task = 0; inf->threads = 0; @@ -720,7 +722,7 @@ inf_cleanup (struct inf *inf) void inf_startup (struct inf *inf, int pid) { - error_t err; + kern_return_t err; inf_debug (inf, "startup: pid = %d", pid); @@ -752,14 +754,14 @@ inf_set_pid (struct inf *inf, pid_t 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"), pid, safe_strerror (err)); } - inf_debug (inf, "setting task: %d", task_port); + inf_debug (inf, "setting task: %lu", task_port); if (inf->pause_sc) task_suspend (task_port); @@ -801,7 +803,7 @@ inf_validate_procinfo (struct inf *inf) 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); @@ -811,7 +813,8 @@ inf_validate_procinfo (struct inf *inf) inf->nomsg = !!(pi->state & PI_NOMSG); if (inf->nomsg) inf->traced = !!(pi->state & PI_TRACED); - vm_deallocate (mach_task_self (), (vm_address_t) pi, pi_len); + vm_deallocate (mach_task_self (), (vm_address_t) pi, + pi_len * sizeof (*(procinfo_t) 0)); if (noise_len > 0) vm_deallocate (mach_task_self (), (vm_address_t) noise, noise_len); } @@ -828,7 +831,7 @@ inf_validate_task_sc (struct inf *inf) 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, @@ -851,21 +854,16 @@ inf_validate_task_sc (struct inf *inf) suspend_count = pi->taskinfo.suspend_count; - vm_deallocate (mach_task_self (), (vm_address_t) pi, pi_len); + vm_deallocate (mach_task_self (), (vm_address_t) pi, + pi_len * sizeof (*(procinfo_t) 0)); if (noise_len > 0) - vm_deallocate (mach_task_self (), (vm_address_t) pi, pi_len); + vm_deallocate (mach_task_self (), (vm_address_t) noise, noise_len); 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; @@ -876,7 +874,7 @@ inf_validate_task_sc (struct inf *inf) is. If INF is running, the resume_sc count of INF's threads will be modified, and the signal thread will briefly be run to change the trace state. */ -void +static void inf_set_traced (struct inf *inf, int on) { if (on == inf->traced) @@ -886,7 +884,7 @@ inf_set_traced (struct inf *inf, int on) /* 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)); @@ -977,7 +975,7 @@ inf_tid_to_thread (struct inf *inf, int tid) } /* Converts a thread port to a struct proc. */ -struct proc * +static struct proc * inf_port_to_thread (struct inf *inf, mach_port_t port) { struct proc *thread = inf->threads; @@ -990,6 +988,17 @@ inf_port_to_thread (struct inf *inf, mach_port_t port) return 0; } +/* See gnu-nat.h. */ + +void +inf_threads (struct inf *inf, inf_threads_ftype *f, void *arg) +{ + struct proc *thread; + + for (thread = inf->threads; thread; thread = thread->next) + f (thread, arg); +} + /* Make INF's list of threads be consistent with reality of TASK. */ void @@ -1007,7 +1016,7 @@ inf_validate_procs (struct inf *inf) 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) @@ -1083,9 +1092,9 @@ inf_validate_procs (struct inf *inf) else inf->threads = thread; last = thread; - proc_debug (thread, "new thread: %d", threads[i]); + proc_debug (thread, "new thread: %lu", threads[i]); - ptid = ptid_build (inf->pid, 0, thread->tid); + ptid = ptid_build (inf->pid, thread->tid, 0); /* Tell GDB's generic thread code. */ @@ -1324,7 +1333,7 @@ inf_restore_exc_ports (struct inf *inf) 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) @@ -1348,7 +1357,7 @@ inf_signal (struct inf *inf, enum gdb_signal sig) struct exc_state *e = &w->exc; inf_debug (inf, "passing through exception:" - " task = %d, thread = %d, exc = %d" + " task = %lu, thread = %lu, exc = %d" ", code = %d, subcode = %d", w->thread->port, inf->task->port, e->exception, e->code, e->subcode); @@ -1413,7 +1422,7 @@ void 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) { @@ -1443,6 +1452,12 @@ struct inf *gnu_current_inf = 0; 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, @@ -1454,15 +1469,10 @@ 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) @@ -1571,26 +1581,14 @@ rewait: while execing. */ { w->suppress = 1; - inf_debug (inf, "pending_execs = %d, ignoring minor event", - inf->pending_execs); + inf_debug (inf, "pending_execs, ignoring minor event"); } else if (kind == TARGET_WAITKIND_STOPPED && w->status.value.sig == GDB_SIGNAL_TRAP) /* Ah hah! A SIGTRAP from the inferior while starting up probably means we've succesfully completed an exec! */ { - if (--inf->pending_execs == 0) - /* We're done! */ - { -#if 0 /* do we need this? */ - prune_threads (1); /* Get rid of the old shell - threads. */ - renumber_threads (0); /* Give our threads reasonable - names. */ -#endif - } - inf_debug (inf, "pending exec completed, pending_execs => %d", - inf->pending_execs); + inf_debug (inf, "one pending exec completed"); } else if (kind == TARGET_WAITKIND_STOPPED) /* It's possible that this signal is because of a crashed process @@ -1615,17 +1613,17 @@ rewait: thread = inf->wait.thread; if (thread) - ptid = ptid_build (inf->pid, 0, thread->tid); + ptid = ptid_build (inf->pid, thread->tid, 0); else if (ptid_equal (ptid, minus_one_ptid)) thread = inf_tid_to_thread (inf, -1); else - thread = inf_tid_to_thread (inf, ptid_get_tid (ptid)); + thread = inf_tid_to_thread (inf, ptid_get_lwp (ptid)); if (!thread || thread->port == MACH_PORT_NULL) { /* TID is dead; try and find a new thread. */ if (inf_update_procs (inf) && inf->threads) - ptid = ptid_build (inf->pid, 0, inf->threads->tid); /* The first + ptid = ptid_build (inf->pid, inf->threads->tid, 0); /* The first available thread. */ else @@ -1658,7 +1656,7 @@ rewait: /* 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) @@ -1667,7 +1665,7 @@ S_exception_raise_request (mach_port_t port, mach_port_t reply_port, struct proc *thread = inf_port_to_thread (inf, thread_port); inf_debug (waiting_inf, - "thread = %d, task = %d, exc = %d, code = %d, subcode = %d", + "thread = %lu, task = %lu, exc = %d, code = %d, subcode = %d", thread_port, task_port, exception, code, subcode); if (!thread) @@ -1703,13 +1701,13 @@ S_exception_raise_request (mach_port_t port, mach_port_t reply_port, { if (thread->exc_port == port) { - inf_debug (waiting_inf, "Handler is thread exception port <%d>", + inf_debug (waiting_inf, "Handler is thread exception port <%lu>", thread->saved_exc_port); inf->wait.exc.handler = thread->saved_exc_port; } else { - inf_debug (waiting_inf, "Handler is task exception port <%d>", + inf_debug (waiting_inf, "Handler is task exception port <%lu>", inf->task->saved_exc_port); inf->wait.exc.handler = inf->task->saved_exc_port; gdb_assert (inf->task->exc_port == port); @@ -1745,7 +1743,7 @@ S_exception_raise_request (mach_port_t port, mach_port_t reply_port, /* Fill in INF's wait field after a task has died without giving us more detailed information. */ -void +static void inf_task_died_status (struct inf *inf) { warning (_("Pid %d died with unknown exit status, using SIGKILL."), @@ -1755,12 +1753,12 @@ inf_task_died_status (struct inf *inf) } /* 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; - inf_debug (waiting_inf, "port = %d", dead_port); + inf_debug (waiting_inf, "port = %lu", dead_port); if (inf->task && inf->task->port == dead_port) { @@ -1797,48 +1795,29 @@ do_mach_notify_dead_name (mach_port_t notify, mach_port_t dead_port) } -static error_t -ill_rpc (char *fun) -{ - warning (_("illegal rpc: %s"), fun); - return 0; -} - -error_t -do_mach_notify_no_senders (mach_port_t notify, mach_port_mscount_t count) -{ - return ill_rpc ("do_mach_notify_no_senders"); -} - -error_t -do_mach_notify_port_deleted (mach_port_t notify, mach_port_t name) -{ - return ill_rpc ("do_mach_notify_port_deleted"); -} - -error_t -do_mach_notify_msg_accepted (mach_port_t notify, mach_port_t name) -{ - return ill_rpc ("do_mach_notify_msg_accepted"); -} - -error_t -do_mach_notify_port_destroyed (mach_port_t notify, mach_port_t name) -{ - return ill_rpc ("do_mach_notify_port_destroyed"); -} - -error_t -do_mach_notify_send_once (mach_port_t notify) -{ - return ill_rpc ("do_mach_notify_send_once"); -} +#define ILL_RPC(fun, ...) \ + extern kern_return_t fun (__VA_ARGS__); \ + kern_return_t fun (__VA_ARGS__) \ + { \ + warning (_("illegal rpc: %s"), #fun); \ + return 0; \ + } +ILL_RPC (do_mach_notify_no_senders, + mach_port_t notify, mach_port_mscount_t count) +ILL_RPC (do_mach_notify_port_deleted, + mach_port_t notify, mach_port_t name) +ILL_RPC (do_mach_notify_msg_accepted, + mach_port_t notify, mach_port_t name) +ILL_RPC (do_mach_notify_port_destroyed, + mach_port_t notify, mach_port_t name) +ILL_RPC (do_mach_notify_send_once, + mach_port_t notify) /* 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; @@ -1890,24 +1869,71 @@ S_proc_wait_reply (mach_port_t reply, error_t err, return 0; } -error_t -S_proc_setmsgport_reply (mach_port_t reply, error_t err, - mach_port_t old_msg_port) -{ - return ill_rpc ("S_proc_setmsgport_reply"); -} - -error_t -S_proc_getmsgport_reply (mach_port_t reply, error_t err, mach_port_t msg_port) -{ - return ill_rpc ("S_proc_getmsgport_reply"); -} - +ILL_RPC (S_proc_setmsgport_reply, + mach_port_t reply_port, kern_return_t return_code, + mach_port_t oldmsgport) +ILL_RPC (S_proc_getmsgport_reply, + mach_port_t reply_port, kern_return_t return_code, + mach_port_t msgports) +ILL_RPC (S_proc_pid2task_reply, + mach_port_t reply_port, kern_return_t return_code, mach_port_t task) +ILL_RPC (S_proc_task2pid_reply, + mach_port_t reply_port, kern_return_t return_code, pid_t pid) +ILL_RPC (S_proc_task2proc_reply, + mach_port_t reply_port, kern_return_t return_code, mach_port_t proc) +ILL_RPC (S_proc_proc2task_reply, + mach_port_t reply_port, kern_return_t return_code, mach_port_t task) +ILL_RPC (S_proc_pid2proc_reply, + mach_port_t reply_port, kern_return_t return_code, mach_port_t proc) +ILL_RPC (S_proc_getprocinfo_reply, + mach_port_t reply_port, kern_return_t return_code, + int flags, procinfo_t procinfo, mach_msg_type_number_t procinfoCnt, + data_t threadwaits, mach_msg_type_number_t threadwaitsCnt) +ILL_RPC (S_proc_getprocargs_reply, + mach_port_t reply_port, kern_return_t return_code, + data_t procargs, mach_msg_type_number_t procargsCnt) +ILL_RPC (S_proc_getprocenv_reply, + mach_port_t reply_port, kern_return_t return_code, + data_t procenv, mach_msg_type_number_t procenvCnt) +ILL_RPC (S_proc_getloginid_reply, + mach_port_t reply_port, kern_return_t return_code, pid_t login_id) +ILL_RPC (S_proc_getloginpids_reply, + mach_port_t reply_port, kern_return_t return_code, + pidarray_t pids, mach_msg_type_number_t pidsCnt) +ILL_RPC (S_proc_getlogin_reply, + mach_port_t reply_port, kern_return_t return_code, string_t logname) +ILL_RPC (S_proc_getsid_reply, + mach_port_t reply_port, kern_return_t return_code, pid_t sid) +ILL_RPC (S_proc_getsessionpgids_reply, + mach_port_t reply_port, kern_return_t return_code, + pidarray_t pgidset, mach_msg_type_number_t pgidsetCnt) +ILL_RPC (S_proc_getsessionpids_reply, + mach_port_t reply_port, kern_return_t return_code, + pidarray_t pidset, mach_msg_type_number_t pidsetCnt) +ILL_RPC (S_proc_getsidport_reply, + mach_port_t reply_port, kern_return_t return_code, + mach_port_t sessport) +ILL_RPC (S_proc_getpgrp_reply, + mach_port_t reply_port, kern_return_t return_code, pid_t pgrp) +ILL_RPC (S_proc_getpgrppids_reply, + mach_port_t reply_port, kern_return_t return_code, + pidarray_t pidset, mach_msg_type_number_t pidsetCnt) +ILL_RPC (S_proc_get_tty_reply, + mach_port_t reply_port, kern_return_t return_code, mach_port_t tty) +ILL_RPC (S_proc_getnports_reply, + mach_port_t reply_port, kern_return_t return_code, + mach_msg_type_number_t nports) +ILL_RPC (S_proc_is_important_reply, + mach_port_t reply_port, kern_return_t return_code, + boolean_t essential) +ILL_RPC (S_proc_get_code_reply, + mach_port_t reply_port, kern_return_t return_code, + vm_address_t start_code, vm_address_t end_code) /* 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; @@ -1936,19 +1962,15 @@ S_msg_sig_post_untraced_reply (mach_port_t reply, error_t err) return 0; } -error_t -S_msg_sig_post_reply (mach_port_t reply, error_t err) -{ - return ill_rpc ("S_msg_sig_post_reply"); -} - +ILL_RPC (S_msg_sig_post_reply, + mach_port_t reply, kern_return_t err) /* 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) @@ -2017,14 +2039,15 @@ gnu_resume (struct target_ops *ops, if (resume_all) /* Allow all threads to run, except perhaps single-stepping one. */ { - inf_debug (inf, "running all threads; tid = %d", PIDGET (inferior_ptid)); + inf_debug (inf, "running all threads; tid = %d", + ptid_get_pid (inferior_ptid)); ptid = inferior_ptid; /* What to step. */ inf_set_threads_resume_sc (inf, 0, 1); } else /* Just allow a single thread to run. */ { - struct proc *thread = inf_tid_to_thread (inf, ptid_get_tid (ptid)); + struct proc *thread = inf_tid_to_thread (inf, ptid_get_lwp (ptid)); if (!thread) error (_("Can't run single thread id %s: no such thread!"), @@ -2035,7 +2058,7 @@ gnu_resume (struct target_ops *ops, if (step) { - step_thread = inf_tid_to_thread (inf, ptid_get_tid (ptid)); + step_thread = inf_tid_to_thread (inf, ptid_get_lwp (ptid)); if (!step_thread) warning (_("Can't step thread id %s: no such thread."), target_pid_to_str (ptid)); @@ -2061,7 +2084,7 @@ gnu_kill_inferior (struct target_ops *ops) 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. */ @@ -2070,8 +2093,7 @@ gnu_mourn_inferior (struct target_ops *ops) { inf_debug (gnu_current_inf, "rip"); inf_detach (gnu_current_inf); - unpush_target (ops); - generic_mourn_inferior (); + inf_child_mourn_inferior (ops); } @@ -2097,27 +2119,35 @@ cur_inf (void) 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 () - { - /* 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); + /* We have something that executes now. We'll be running through + the shell at this point (if startup-with-shell is true), but the + pid shouldn't change. */ + add_thread_silent (pid_to_ptid (pid)); + /* Attach to the now stopped child, which is actually a shell... */ inf_debug (inf, "attaching to child: %d", pid); @@ -2125,7 +2155,7 @@ gnu_create_inferior (struct target_ops *ops, push_target (ops); - inf->pending_execs = 2; + inf->pending_execs = 1; inf->nomsg = 1; inf->traced = 1; @@ -2135,9 +2165,13 @@ gnu_create_inferior (struct target_ops *ops, /* We now have thread info. */ thread_change_ptid (inferior_ptid, - ptid_build (inf->pid, 0, inf_pick_first_thread ())); + ptid_build (inf->pid, inf_pick_first_thread (), 0)); - startup_inferior (inf->pending_execs); + gdb_startup_inferior (pid, 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); @@ -2155,7 +2189,7 @@ gnu_create_inferior (struct target_ops *ops, /* Attach to process PID, then initialize for debugging it and wait for the trace-trap that results from attaching. */ static void -gnu_attach (struct target_ops *ops, char *args, int from_tty) +gnu_attach (struct target_ops *ops, const char *args, int from_tty) { int pid; char *exec_file; @@ -2192,11 +2226,11 @@ gnu_attach (struct target_ops *ops, char *args, int from_tty) inf_update_procs (inf); - inferior_ptid = ptid_build (pid, 0, inf_pick_first_thread ()); + inferior_ptid = ptid_build (pid, inf_pick_first_thread (), 0); /* We have to initialize the terminal settings now, since the code below might try to restore them. */ - target_terminal_init (); + target_terminal::init (); /* If the process was stopped before we attached, make it continue the next time the user does a continue. */ @@ -2219,7 +2253,7 @@ gnu_attach (struct target_ops *ops, char *args, int from_tty) previously attached. It *might* work if the program was started via fork. */ static void -gnu_detach (struct target_ops *ops, char *args, int from_tty) +gnu_detach (struct target_ops *ops, const char *args, int from_tty) { int pid; @@ -2242,18 +2276,18 @@ gnu_detach (struct target_ops *ops, char *args, int from_tty) inferior_ptid = null_ptid; detach_inferior (pid); - unpush_target (ops); /* Pop out of handling an inferior. */ + inf_child_maybe_unpush_target (ops); } static void -gnu_terminal_init_inferior (void) +gnu_terminal_init (struct target_ops *self) { gdb_assert (gnu_current_inf); - terminal_init_inferior_with_pgrp (gnu_current_inf->pid); + child_terminal_init_with_pgrp (gnu_current_inf->pid); } static void -gnu_stop (ptid_t ptid) +gnu_stop (struct target_ops *self, ptid_t ptid) { error (_("to_stop target function not implemented")); } @@ -2263,22 +2297,22 @@ gnu_thread_alive (struct target_ops *ops, ptid_t ptid) { inf_update_procs (gnu_current_inf); return !!inf_tid_to_thread (gnu_current_inf, - ptid_get_tid (ptid)); + ptid_get_lwp (ptid)); } /* Read inferior task's LEN bytes from ADDR and copy it to MYADDR in gdb's address space. Return 0 on failure; number of bytes read otherwise. */ -int -gnu_read_inferior (task_t task, CORE_ADDR addr, char *myaddr, int length) +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; pointer_t copied; - int copy_count; + mach_msg_type_number_t copy_count; /* Get memory from inferior with page aligned addresses. */ err = vm_read (task, low_address, aligned_length, &copied, ©_count); @@ -2316,21 +2350,22 @@ struct obstack region_obstack; /* Write gdb's LEN bytes from MYADDR and copy it to ADDR in inferior task's address space. */ -int -gnu_write_inferior (task_t task, CORE_ADDR addr, char *myaddr, int length) +static int +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; pointer_t copied; - int copy_count; + mach_msg_type_number_t copy_count; int deallocate = 0; char *errstr = "Bug in gnu_write_inferior"; struct vm_region_list *region_element; - struct vm_region_list *region_head = (struct vm_region_list *) NULL; + struct vm_region_list *region_head = NULL; /* Get memory from inferior with page aligned addresses. */ err = vm_read (task, @@ -2381,7 +2416,7 @@ gnu_write_inferior (task_t task, CORE_ADDR addr, char *myaddr, int length) /* Check for holes in memory. */ if (old_address != region_address) { - warning (_("No memory at 0x%x. Nothing written"), + warning (_("No memory at 0x%lx. Nothing written"), old_address); err = KERN_SUCCESS; length = 0; @@ -2390,7 +2425,7 @@ gnu_write_inferior (task_t task, CORE_ADDR addr, char *myaddr, int length) if (!(max_protection & VM_PROT_WRITE)) { - warning (_("Memory at address 0x%x is unwritable. " + warning (_("Memory at address 0x%lx is unwritable. " "Nothing written"), old_address); err = KERN_SUCCESS; @@ -2399,9 +2434,7 @@ gnu_write_inferior (task_t task, CORE_ADDR addr, char *myaddr, int length) } /* Chain the regions for later use. */ - region_element = - (struct vm_region_list *) - obstack_alloc (®ion_obstack, sizeof (struct vm_region_list)); + region_element = XOBNEW (®ion_obstack, struct vm_region_list); region_element->protection = protection; region_element->start = region_address; @@ -2473,38 +2506,70 @@ out: } -/* Return 0 on failure, number of bytes handled otherwise. TARGET - is ignored. */ -static int -gnu_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write, - struct mem_attrib *attrib, - struct target_ops *target) + +/* Implement the to_xfer_partial target_ops method for + TARGET_OBJECT_MEMORY. */ + +static enum target_xfer_status +gnu_xfer_memory (gdb_byte *readbuf, const gdb_byte *writebuf, + CORE_ADDR memaddr, ULONGEST len, ULONGEST *xfered_len) { task_t task = (gnu_current_inf ? (gnu_current_inf->task ? gnu_current_inf->task->port : 0) : 0); + int res; if (task == MACH_PORT_NULL) - return 0; + return TARGET_XFER_E_IO; + + if (writebuf != NULL) + { + inf_debug (gnu_current_inf, "writing %s[%s] <-- %s", + paddress (target_gdbarch (), memaddr), pulongest (len), + host_address_to_string (writebuf)); + res = gnu_write_inferior (task, memaddr, writebuf, len); + } else { - inf_debug (gnu_current_inf, "%s %s[%d] %s %s", - write ? "writing" : "reading", - paddress (target_gdbarch (), memaddr), len, - write ? "<--" : "-->", host_address_to_string (myaddr)); - if (write) - return gnu_write_inferior (task, memaddr, myaddr, len); - else - return gnu_read_inferior (task, memaddr, myaddr, len); + inf_debug (gnu_current_inf, "reading %s[%s] --> %s", + paddress (target_gdbarch (), memaddr), pulongest (len), + host_address_to_string (readbuf)); + res = gnu_read_inferior (task, memaddr, readbuf, len); + } + gdb_assert (res >= 0); + if (res == 0) + return TARGET_XFER_E_IO; + else + { + *xfered_len = (ULONGEST) res; + return TARGET_XFER_OK; + } +} + +/* Target to_xfer_partial implementation. */ + +static enum target_xfer_status +gnu_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) +{ + switch (object) + { + case TARGET_OBJECT_MEMORY: + return gnu_xfer_memory (readbuf, writebuf, offset, len, xfered_len); + default: + return TARGET_XFER_E_IO; } } /* Call FUNC on each memory region in the task. */ static int -gnu_find_memory_regions (find_memory_region_ftype func, void *data) +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; @@ -2594,11 +2659,11 @@ proc_string (struct proc *proc) 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; - int tid = ptid_get_tid (ptid); + int tid = ptid_get_lwp (ptid); struct proc *thread = inf_tid_to_thread (inf, tid); if (thread) @@ -2621,18 +2686,14 @@ gnu_target (void) { struct target_ops *t = inf_child_target (); - t->to_shortname = "GNU"; - t->to_longname = "GNU Hurd process"; - t->to_doc = "GNU Hurd process"; - t->to_attach = gnu_attach; t->to_attach_no_wait = 1; t->to_detach = gnu_detach; t->to_resume = gnu_resume; t->to_wait = gnu_wait; - t->deprecated_xfer_memory = gnu_xfer_memory; + t->to_xfer_partial = gnu_xfer_partial; t->to_find_memory_regions = gnu_find_memory_regions; - t->to_terminal_init = gnu_terminal_init_inferior; + t->to_terminal_init = gnu_terminal_init; t->to_kill = gnu_kill_inferior; t->to_create_inferior = gnu_create_inferior; t->to_mourn_inferior = gnu_mourn_inferior; @@ -2731,7 +2792,7 @@ cur_thread (void) { struct inf *inf = cur_inf (); struct proc *thread = inf_tid_to_thread (inf, - ptid_get_tid (inferior_ptid)); + ptid_get_lwp (inferior_ptid)); if (!thread) error (_("No current thread.")); return thread; @@ -2750,12 +2811,12 @@ active_inf (void) 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, @@ -2763,6 +2824,12 @@ set_task_pause_cmd (char *args, int from_tty) 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) { @@ -2853,7 +2920,7 @@ show_thread_default_detach_sc_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; @@ -2864,7 +2931,7 @@ steal_exc_port (struct proc *proc, mach_port_t name) name, MACH_MSG_TYPE_COPY_SEND, &port, &port_type); if (err) - error (_("Couldn't extract send right %d from inferior: %s"), + error (_("Couldn't extract send right %lu from inferior: %s"), name, safe_strerror (err)); if (proc->saved_exc_port) @@ -2918,19 +2985,14 @@ set_sig_thread_cmd (char *args, int from_tty) 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 { - int tid = ptid_get_tid (thread_id_to_pid (atoi (args))); - - if (tid < 0) - 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, tid); + struct thread_info *tp = parse_thread_id (args, NULL); + inf->signal_thread = inf_tid_to_thread (inf, ptid_get_lwp (tp->ptid)); } } @@ -2949,17 +3011,23 @@ show_sig_thread_cmd (char *args, int from_tty) 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) { @@ -2973,16 +3041,20 @@ 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"); - if (inf->task && inf->want_exceptions != val) - /* Make this take effect immediately in a running process. */ - /* XXX */ ; + /* 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 @@ -3037,16 +3109,16 @@ 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); } static void -info_port_rights (char *args, mach_port_type_t only) +info_port_rights (const char *args, mach_port_type_t only) { struct inf *inf = active_inf (); struct value *vmark = value_mark (); @@ -3219,21 +3291,16 @@ This is the same as setting `task pause', `exceptions', and\n\ &setlist); /* Commands to show information about the task's ports. */ - add_cmd ("send-rights", class_info, info_send_rights_cmd, - _("Show information about the task's send rights"), - &infolist); - add_cmd ("receive-rights", class_info, info_recv_rights_cmd, - _("Show information about the task's receive rights"), - &infolist); - add_cmd ("port-rights", class_info, info_port_rights_cmd, - _("Show information about the task's port rights"), - &infolist); - add_cmd ("port-sets", class_info, info_port_sets_cmd, - _("Show information about the task's port sets"), - &infolist); - add_cmd ("dead-names", class_info, info_dead_names_cmd, - _("Show information about the task's dead names"), - &infolist); + add_info ("send-rights", info_send_rights_cmd, + _("Show information about the task's send rights")); + add_info ("receive-rights", info_recv_rights_cmd, + _("Show information about the task's receive rights")); + add_info ("port-rights", info_port_rights_cmd, + _("Show information about the task's port rights")); + add_info ("port-sets", info_port_sets_cmd, + _("Show information about the task's port sets")); + add_info ("dead-names", info_dead_names_cmd, + _("Show information about the task's dead names")); add_info_alias ("ports", "port-rights", 1); add_info_alias ("port", "port-rights", 1); add_info_alias ("psets", "port-sets", 1); @@ -3336,7 +3403,7 @@ thread_takeover_sc_cmd (char *args, int from_tty) 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)); @@ -3413,7 +3480,6 @@ to the thread's initial suspend-count when gdb notices the threads."), &thread_cmd_list); } - void _initialize_gnu_nat (void) { @@ -3443,7 +3509,7 @@ void 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,