X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2Fgnu-nat.c;h=d17a7503c60b57830dda515f16caa9b0006d8142;hb=ee959deb576c46b85b6174626d700e1393256adf;hp=17b0a45e6f601abfbcc0c77e2ef34a09d71df6ff;hpb=0b30217134add051e159a192066a1e568ebd837f;p=platform%2Fupstream%2Fbinutils.git diff --git a/gdb/gnu-nat.c b/gdb/gnu-nat.c index 17b0a45..d17a750 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) 1992-2014 Free Software Foundation, Inc. This file is part of GDB. @@ -19,16 +18,14 @@ 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 . - */ + along with this program. If not, see . */ + +#include "defs.h" #include -#include #include #include #include -#include -#include "gdb_string.h" #include #include @@ -52,7 +49,6 @@ #include -#include "defs.h" #include "inferior.h" #include "symtab.h" #include "value.h" @@ -62,7 +58,6 @@ #include "gdbcmd.h" #include "gdbcore.h" #include "gdbthread.h" -#include "gdb_assert.h" #include "gdb_obstack.h" #include "gnu-nat.h" @@ -88,7 +83,7 @@ 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); @@ -97,7 +92,6 @@ 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); @@ -107,7 +101,7 @@ void inf_resume (struct inf *inf); void inf_set_step_thread (struct inf *inf, struct proc *proc); void inf_detach (struct inf *inf); void inf_attach (struct inf *inf, int pid); -void inf_signal (struct inf *inf, enum target_signal sig); +void inf_signal (struct inf *inf, enum gdb_signal sig); void inf_continue (struct inf *inf); #define inf_debug(_inf, msg, args...) \ @@ -212,9 +206,9 @@ 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. */ @@ -406,7 +400,7 @@ proc_get_exception_port (struct proc * proc, mach_port_t * port) error_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 @@ -446,7 +440,7 @@ proc_steal_exc_port (struct proc *proc, mach_port_t exc_port) { error_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. */ @@ -467,7 +461,7 @@ 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; @@ -579,11 +573,11 @@ 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); } @@ -639,7 +633,7 @@ _proc_free (struct proc *proc) } -struct inf * +static struct inf * make_inf (void) { struct inf *inf = xmalloc (sizeof (struct inf)); @@ -758,7 +752,7 @@ inf_set_pid (struct inf *inf, pid_t pid) 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); @@ -875,7 +869,7 @@ 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) @@ -976,7 +970,7 @@ 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; @@ -989,6 +983,17 @@ 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 @@ -1082,9 +1087,9 @@ 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. */ @@ -1254,7 +1259,7 @@ inf_detach (struct inf *inf) if (inf->nomsg) inf_continue (inf); else - inf_signal (inf, TARGET_SIGNAL_0); + inf_signal (inf, GDB_SIGNAL_0); } proc_restore_exc_port (task); @@ -1321,12 +1326,12 @@ inf_restore_exc_ports (struct inf *inf) signal 0, will continue it. INF is assumed to be in a paused state, and the resume_sc's of INF's threads may be affected. */ void -inf_signal (struct inf *inf, enum target_signal sig) +inf_signal (struct inf *inf, enum gdb_signal sig) { error_t err = 0; - int host_sig = target_signal_to_host (sig); + int host_sig = gdb_signal_to_host (sig); -#define NAME target_signal_to_name (sig) +#define NAME gdb_signal_to_name (sig) if (host_sig >= _NSIG) /* A mach exception. Exceptions are encoded in the signal space by @@ -1347,7 +1352,7 @@ inf_signal (struct inf *inf, enum target_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); @@ -1570,26 +1575,14 @@ 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 == TARGET_SIGNAL_TRAP) + && 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 @@ -1614,17 +1607,17 @@ 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 @@ -1666,7 +1659,7 @@ 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) @@ -1694,7 +1687,7 @@ S_exception_raise_request (mach_port_t port, mach_port_t reply_port, if (exception == EXC_BREAKPOINT) /* GDB likes to get SIGTRAP for breakpoints. */ { - inf->wait.status.value.sig = TARGET_SIGNAL_TRAP; + inf->wait.status.value.sig = GDB_SIGNAL_TRAP; mach_port_deallocate (mach_task_self (), reply_port); } else @@ -1702,13 +1695,13 @@ 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); @@ -1728,7 +1721,7 @@ S_exception_raise_request (mach_port_t port, mach_port_t reply_port, them after _NSIG; this assumes they're positive (and not extremely large)! */ inf->wait.status.value.sig = - target_signal_from_host (_NSIG + exception); + gdb_signal_from_host (_NSIG + exception); } } else @@ -1744,13 +1737,13 @@ 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."), inf->pid); inf->wait.status.kind = TARGET_WAITKIND_SIGNALLED; - inf->wait.status.value.sig = TARGET_SIGNAL_KILL; + inf->wait.status.value.sig = GDB_SIGNAL_KILL; } /* Notify server routines. The only real one is dead name notification. */ @@ -1759,7 +1752,7 @@ 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) { @@ -1796,43 +1789,24 @@ 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. */ @@ -1889,19 +1863,66 @@ 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. */ @@ -1918,7 +1939,7 @@ S_msg_sig_post_untraced_reply (mach_port_t reply, error_t err) server should like). */ { inf->wait.status.kind = TARGET_WAITKIND_STOPPED; - inf->wait.status.value.sig = TARGET_SIGNAL_0; + inf->wait.status.value.sig = GDB_SIGNAL_0; } else if (err) warning (_("Signal delivery failed: %s"), safe_strerror (err)); @@ -1935,12 +1956,8 @@ 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, error_t err) /* Returns the number of messages queued for the receive right PORT. */ static mach_port_msgcount_t @@ -1975,7 +1992,7 @@ port_msgs_queued (mach_port_t port) static void gnu_resume (struct target_ops *ops, - ptid_t ptid, int step, enum target_signal sig) + ptid_t ptid, int step, enum gdb_signal sig) { struct proc *step_thread = 0; int resume_all; @@ -1986,9 +2003,9 @@ gnu_resume (struct target_ops *ops, inf_validate_procinfo (inf); - if (sig != TARGET_SIGNAL_0 || inf->stopped) + if (sig != GDB_SIGNAL_0 || inf->stopped) { - if (sig == TARGET_SIGNAL_0 && inf->nomsg) + if (sig == GDB_SIGNAL_0 && inf->nomsg) inf_continue (inf); else inf_signal (inf, sig); @@ -2000,7 +2017,7 @@ gnu_resume (struct target_ops *ops, proc_abort (inf->wait.thread, 1); warning (_("Aborting %s with unforwarded exception %s."), proc_string (inf->wait.thread), - target_signal_to_name (inf->wait.status.value.sig)); + gdb_signal_to_name (inf->wait.status.value.sig)); } if (port_msgs_queued (inf->event_port)) @@ -2016,14 +2033,15 @@ 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!"), @@ -2034,7 +2052,7 @@ 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)); @@ -2069,8 +2087,7 @@ 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); } @@ -2104,7 +2121,7 @@ gnu_create_inferior (struct target_ops *ops, struct inf *inf = cur_inf (); int pid; - void trace_me () + void trace_me (void) { /* We're in the child; make this process stop as soon as it execs. */ inf_debug (inf, "tracing self"); @@ -2124,7 +2141,7 @@ gnu_create_inferior (struct target_ops *ops, push_target (ops); - inf->pending_execs = 2; + inf->pending_execs = 1; inf->nomsg = 1; inf->traced = 1; @@ -2134,9 +2151,10 @@ 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); + startup_inferior (START_INFERIOR_TRAPS_EXPECTED); + inf->pending_execs = 0; inf_validate_procinfo (inf); inf_update_signal_thread (inf); @@ -2154,7 +2172,7 @@ 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; @@ -2191,7 +2209,7 @@ 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. */ @@ -2218,7 +2236,7 @@ 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; @@ -2241,18 +2259,18 @@ 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")); } @@ -2262,22 +2280,22 @@ 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; 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); @@ -2315,15 +2333,16 @@ 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; 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"; @@ -2380,7 +2399,7 @@ 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; @@ -2389,7 +2408,7 @@ 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; @@ -2472,36 +2491,68 @@ 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; task_t task; @@ -2558,6 +2609,7 @@ gnu_find_memory_regions (find_memory_region_ftype func, void *data) last_protection & VM_PROT_READ, last_protection & VM_PROT_WRITE, last_protection & VM_PROT_EXECUTE, + 1, /* MODIFIED is unknown, pass it as true. */ data); last_region_address = region_address; last_region_end = region_address += region_length; @@ -2571,6 +2623,7 @@ gnu_find_memory_regions (find_memory_region_ftype func, void *data) last_protection & VM_PROT_READ, last_protection & VM_PROT_WRITE, last_protection & VM_PROT_EXECUTE, + 1, /* MODIFIED is unknown, pass it as true. */ data); return 0; @@ -2584,10 +2637,10 @@ proc_string (struct proc *proc) static char tid_str[80]; if (proc_is_task (proc)) - sprintf (tid_str, "process %d", proc->inf->pid); + xsnprintf (tid_str, sizeof (tid_str), "process %d", proc->inf->pid); else - sprintf (tid_str, "Thread %d.%d", - proc->inf->pid, proc->tid); + xsnprintf (tid_str, sizeof (tid_str), "Thread %d.%d", + proc->inf->pid, proc->tid); return tid_str; } @@ -2595,7 +2648,7 @@ static 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) @@ -2604,7 +2657,7 @@ gnu_pid_to_str (struct target_ops *ops, ptid_t ptid) { static char tid_str[80]; - sprintf (tid_str, "bogus thread id %d", tid); + xsnprintf (tid_str, sizeof (tid_str), "bogus thread id %d", tid); return tid_str; } } @@ -2618,18 +2671,14 @@ 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; @@ -2643,8 +2692,8 @@ gnu_target (void) /* User task commands. */ -struct cmd_list_element *set_task_cmd_list = 0; -struct cmd_list_element *show_task_cmd_list = 0; +static struct cmd_list_element *set_task_cmd_list = 0; +static struct cmd_list_element *show_task_cmd_list = 0; /* User thread commands. */ /* Commands with a prefix of `set/show thread'. */ @@ -2728,7 +2777,7 @@ 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; @@ -2861,7 +2910,7 @@ 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) @@ -2921,13 +2970,13 @@ set_sig_thread_cmd (char *args, int from_tty) inf->signal_thread = 0; else { - int tid = ptid_get_tid (thread_id_to_pid (atoi (args))); + ptid_t ptid = thread_id_to_pid (atoi (args)); - if (tid < 0) + 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, tid); + inf->signal_thread = inf_tid_to_thread (inf, ptid_get_lwp (ptid)); } } @@ -2975,9 +3024,8 @@ set_exceptions_cmd (char *args, 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; } @@ -3043,7 +3091,7 @@ set_noninvasive_cmd (char *args, int 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 (); @@ -3411,6 +3459,10 @@ to the thread's initial suspend-count when gdb notices the threads."), } + +/* -Wmissing-prototypes */ +extern initialize_file_ftype _initialize_gnu_nat; + void _initialize_gnu_nat (void) {