#include "target.h"
#include "wait.h"
#include "gdbcmd.h"
-#include "gdb-threads.h"
#include <servers/machid_lib.h>
#include <signal.h>
#define SIG_UNKNOWN 0 /* Exception that has no matching unix signal */
-#define private static
+#include <cthreads.h>
+
+/*
+ * Mis-use the struct cproc busy field in the copy of
+ * the cproc in gdb's address space.
+ *
+ * This *can* be done otherwise, but I'm too lazy.
+ * (Don't tell anyone :-)
+ */
+#define CPROC_REVERSE_MAP(x) ((x)->busy)
+
+/* For cproc and kernel thread mapping */
+typedef struct gdb_thread {
+ mach_port_t name;
+ CORE_ADDR sp;
+ CORE_ADDR pc;
+ CORE_ADDR fp;
+ cproc_t cproc;
+ boolean_t in_emulator;
+ int slotid;
+} *gdb_thread_t;
/*
* Actions for Mach exceptions.
}
\f
/* Guard for currently_waiting_for and singlestepped_thread_port */
-private void
+static void
discard_single_step (thread)
thread_t thread;
{
}
}
\f
-private
+static
request_notify (name, variant, type)
mach_port_t name;
mach_msg_id_t variant;
/* Called from inferior after FORK but before EXEC */
-prepare_inferior_task ()
+static void
+m3_trace_me ()
{
kern_return_t ret;
return mid;
}
-private int
+static int
parse_thread_id (arg, thread_count, slots)
char *arg;
int thread_count;
/* Do this in gdb after doing FORK but before STARTUP_INFERIOR.
* Note that the registers are not yet valid in the inferior task.
*/
-void
-mach_create_inferior_hook (pid)
+static void
+m3_trace_him (pid)
int pid;
{
kern_return_t ret;
return length;
}
-/*
- * Return 0 on failure, number of bytes handled otherwise.
- */
-int
-child_xfer_memory (memaddr, myaddr, len, write, target)
+/* Return 0 on failure, number of bytes handled otherwise. */
+static int
+m3_xfer_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
int len;
}
\f
-private char *
+static char *
translate_state(state)
int state;
{
}
}
-private char *
+static char *
translate_cstate(state)
int state;
{
* of the sequential number of such cprocs.
*/
-private char buf[7];
+static char buf[7];
-private char *
+static char *
get_thread_name (one_cproc, id)
cproc_t one_cproc;
int id;
return symaddr;
}
-private cproc_t
+static cproc_t
get_cprocs()
{
cproc_t their_cprocs, cproc_head, cproc_copy;
#endif FLUSH_INFERIOR_CACHE
\f
-private
+static
suspend_all_threads (from_tty)
int from_tty;
{
mid, ta_info.suspend_count);
}
-private char *
+static char *
get_size (bytes)
int bytes;
{
* exception mid [ forward | keep ]
*/
-private void
+static void
exception_command (args, from_tty)
char *args;
int from_tty;
error ("exception action is either \"keep\" or \"forward\"");
}
-private void
+static void
print_exception_info (exception)
int exception;
{
struct cmd_list_element *cmd_task_list;
/*ARGSUSED*/
-private void
+static void
thread_command (arg, from_tty)
char *arg;
int from_tty;
}
/*ARGSUSED*/
-private void
+static void
task_command (arg, from_tty)
char *arg;
int from_tty;
/* Thread handling commands */
- add_prefix_cmd ("thread", class_stack, thread_command,
- "Generic command for handling threads in the debugged task.",
+ /* FIXME: Move our thread support into the generic thread.c stuff so we
+ can share that code. */
+ add_prefix_cmd ("mthread", class_stack, thread_command,
+ "Generic command for handling Mach threads in the debugged task.",
&cmd_thread_list, "thread ", 0, &cmdlist);
- add_com_alias ("th", "thread", class_stack, 1);
+ add_com_alias ("th", "mthread", class_stack, 1);
add_cmd ("select", class_stack, thread_select_command,
"Select and print MID of the selected thread",
If MID/@SLOT is omitted allow all threads to break at breakpoint",
&cmd_thread_list);
/* Thread command shorthands (for backward compatibility) */
- add_alias_cmd ("ts", "thread select", 0, 0, &cmdlist);
- add_alias_cmd ("tl", "thread list", 0, 0, &cmdlist);
+ add_alias_cmd ("ts", "mthread select", 0, 0, &cmdlist);
+ add_alias_cmd ("tl", "mthread list", 0, 0, &cmdlist);
/* task handling commands */
Normally \"keep\" is used to return to GDB on exception.");
}
-void
-_initialize_mach_os ()
-{
- kern_return_t ret;
-
- ret = mach_port_allocate(mach_task_self(),
- MACH_PORT_RIGHT_PORT_SET,
- &inferior_wait_port_set);
- if (ret != KERN_SUCCESS)
- fatal("initial port set %s",mach_error_string(ret));
-
- /* mach_really_wait now waits for this */
- currently_waiting_for = inferior_wait_port_set;
-
- ret = netname_look_up(name_server_port, hostname, "MachID", &mid_server);
- if (ret != KERN_SUCCESS)
- {
- mid_server = MACH_PORT_NULL;
-
- message ("initialize machid: netname_lookup_up(MachID) : %s",
- mach_error_string(ret));
- message ("Some (most?) features disabled...");
- }
-
- mid_auth = mach_privileged_host_port();
- if (mid_auth == MACH_PORT_NULL)
- mid_auth = mach_task_self();
-
- obstack_init (port_chain_obstack);
-
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &thread_exception_port);
- CHK ("Creating thread_exception_port for single stepping", ret);
-
- ret = mach_port_insert_right (mach_task_self (),
- thread_exception_port,
- thread_exception_port,
- MACH_MSG_TYPE_MAKE_SEND);
- CHK ("Inserting send right to thread_exception_port", ret);
-
- /* Allocate message port */
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &our_message_port);
- if (ret != KERN_SUCCESS)
- message ("Creating message port %s", mach_error_string (ret));
- else
- {
- char buf[ MAX_NAME_LEN ];
- ret = mach_port_move_member(mach_task_self (),
- our_message_port,
- inferior_wait_port_set);
- if (ret != KERN_SUCCESS)
- message ("message move member %s", mach_error_string (ret));
-
-
- /* @@@@ No way to change message port name currently */
- /* Foo. This assumes gdb has a unix pid */
- sprintf (buf, "gdb-%d", getpid ());
- gdb_register_port (buf, our_message_port);
- }
-
- /* Heap for thread commands */
- obstack_init (cproc_obstack);
-
- add_mach_specific_commands ();
-}
-
kern_return_t
do_mach_notify_dead_name (notify, name)
mach_port_t notify;
}
/* Kills the inferior. It's gone when you call this */
-void
+static void
kill_inferior_fast ()
{
WAITTYPE w;
setup_notify_port (0);
}
-void
-kill_inferior ()
+static void
+m3_kill_inferior ()
{
kill_inferior_fast ();
target_mourn_inferior ();
}
+/* Clean up after the inferior dies. */
+
+static void
+m3_mourn_inferior ()
+{
+ unpush_target (&m3_ops);
+ generic_mourn_inferior ();
+}
+
+\f
+/* Fork an inferior process, and start debugging it. */
+
+static void
+m3_create_inferior (exec_file, allargs, env)
+ char *exec_file;
+ char *allargs;
+ char **env;
+{
+ fork_inferior (exec_file, allargs, env, m3_trace_m3, m3_trace_him);
+ /* We are at the first instruction we care about. */
+ /* Pedal to the metal... */
+ proceed ((CORE_ADDR) -1, 0, 0);
+}
+
+/* Mark our target-struct as eligible for stray "run" and "attach"
+ commands. */
+static int
+m3_can_run ()
+{
+ return 1;
+}
\f
/* Mach 3.0 does not need ptrace for anything
* Make sure nobody uses it on mach.
If SIGNAL is nonzero, give it that signal. */
void
-child_resume (step, signal)
+m3_resume (pid, step, signal)
+ int pid;
int step;
int signal;
{
* like "atta 0" or "atta foo" (equal to the previous :-) and
* "atta pidself". Anyway, the latter is allowed by specifying a MID.
*/
-attach (pid)
+static int
+m3_do_attach (pid)
int pid;
{
kern_return_t ret;
return inferior_pid;
}
+/* Attach to process PID, then initialize for debugging it
+ and wait for the trace-trap that results from attaching. */
+
+static void
+m3_attach (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ char *exec_file;
+ int pid;
+
+ if (!args)
+ error_no_arg ("process-id to attach");
+
+ pid = atoi (args);
+
+ if (pid == getpid()) /* Trying to masturbate? */
+ error ("I refuse to debug myself!");
+
+ if (from_tty)
+ {
+ exec_file = (char *) get_exec_file (0);
+
+ if (exec_file)
+ printf ("Attaching to program `%s', %s\n", exec_file, target_pid_to_str (pid));
+ else
+ printf ("Attaching to %s\n", target_pid_to_str (pid));
+
+ fflush (stdout);
+ }
+
+ m3_do_attach (pid);
+ inferior_pid = pid;
+ push_target (&procfs_ops);
+}
+\f
void
deallocate_inferior_ports ()
{
and continue it with signal number SIGNAL.
SIGNAL = 0 means just continue it. */
-void
-detach (signal)
+static void
+m3_do_detach (signal)
int signal;
{
kern_return_t ret;
attach_flag = 0;
}
+
+/* Take a program previously attached to and detaches it.
+ 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. For this
+ to work, it may be necessary for the process to have been
+ previously attached. It *might* work if the program was
+ started via fork. */
+
+static void
+m3_detach (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ int siggnal = 0;
+
+ if (from_tty)
+ {
+ char *exec_file = get_exec_file (0);
+ if (exec_file == 0)
+ exec_file = "";
+ printf ("Detaching from program: %s %s\n",
+ exec_file, target_pid_to_str (inferior_pid));
+ fflush (stdout);
+ }
+ if (args)
+ siggnal = atoi (args);
+
+ m3_do_detach (siggnal);
+ inferior_pid = 0;
+ unpush_target (&m3_ops); /* Pop out of handling an inferior */
+}
#endif /* ATTACH_DETACH */
#ifdef DUMP_SYSCALL
puts_filtered("\n");
}
#endif DUMP_SYSCALL
+
+struct target_ops m3_ops = {
+ "mach", /* to_shortname */
+ "Mach child process", /* to_longname */
+ "Mach child process (started by the \"run\" command).", /* to_doc */
+ ??_open, /* to_open */
+ 0, /* to_close */
+ m3_attach, /* to_attach */
+ m3_detach, /* to_detach */
+ m3_resume, /* to_resume */
+ mach_really_wait, /* to_wait */
+ fetch_inferior_registers, /* to_fetch_registers */
+ store_inferior_registers, /* to_store_registers */
+ child_prepare_to_store, /* to_prepare_to_store */
+ m3_xfer_memory, /* to_xfer_memory */
+
+ /* FIXME: Should print MID and all that crap. */
+ child_files_info, /* to_files_info */
+
+ memory_insert_breakpoint, /* to_insert_breakpoint */
+ memory_remove_breakpoint, /* to_remove_breakpoint */
+ terminal_init_inferior, /* to_terminal_init */
+ terminal_inferior, /* to_terminal_inferior */
+ terminal_ours_for_output, /* to_terminal_ours_for_output */
+ terminal_ours, /* to_terminal_ours */
+ child_terminal_info, /* to_terminal_info */
+ m3_kill_inferior, /* to_kill */
+ 0, /* to_load */
+ 0, /* to_lookup_symbol */
+
+ m3_create_inferior, /* to_create_inferior */
+ m3_mourn_inferior, /* to_mourn_inferior */
+ m3_can_run, /* to_can_run */
+ 0, /* to_notice_signals */
+ process_stratum, /* to_stratum */
+ 0, /* to_next */
+ 1, /* to_has_all_memory */
+ 1, /* to_has_memory */
+ 1, /* to_has_stack */
+ 1, /* to_has_registers */
+ 1, /* to_has_execution */
+ 0, /* sections */
+ 0, /* sections_end */
+ OPS_MAGIC /* to_magic */
+};
+
+void
+_initialize_m3_nat ()
+{
+ kern_return_t ret;
+
+ add_target (&m3_ops);
+
+ ret = mach_port_allocate(mach_task_self(),
+ MACH_PORT_RIGHT_PORT_SET,
+ &inferior_wait_port_set);
+ if (ret != KERN_SUCCESS)
+ fatal("initial port set %s",mach_error_string(ret));
+
+ /* mach_really_wait now waits for this */
+ currently_waiting_for = inferior_wait_port_set;
+
+ ret = netname_look_up(name_server_port, hostname, "MachID", &mid_server);
+ if (ret != KERN_SUCCESS)
+ {
+ mid_server = MACH_PORT_NULL;
+
+ message ("initialize machid: netname_lookup_up(MachID) : %s",
+ mach_error_string(ret));
+ message ("Some (most?) features disabled...");
+ }
+
+ mid_auth = mach_privileged_host_port();
+ if (mid_auth == MACH_PORT_NULL)
+ mid_auth = mach_task_self();
+
+ obstack_init (port_chain_obstack);
+
+ ret = mach_port_allocate (mach_task_self (),
+ MACH_PORT_RIGHT_RECEIVE,
+ &thread_exception_port);
+ CHK ("Creating thread_exception_port for single stepping", ret);
+
+ ret = mach_port_insert_right (mach_task_self (),
+ thread_exception_port,
+ thread_exception_port,
+ MACH_MSG_TYPE_MAKE_SEND);
+ CHK ("Inserting send right to thread_exception_port", ret);
+
+ /* Allocate message port */
+ ret = mach_port_allocate (mach_task_self (),
+ MACH_PORT_RIGHT_RECEIVE,
+ &our_message_port);
+ if (ret != KERN_SUCCESS)
+ message ("Creating message port %s", mach_error_string (ret));
+ else
+ {
+ char buf[ MAX_NAME_LEN ];
+ ret = mach_port_move_member(mach_task_self (),
+ our_message_port,
+ inferior_wait_port_set);
+ if (ret != KERN_SUCCESS)
+ message ("message move member %s", mach_error_string (ret));
+
+
+ /* @@@@ No way to change message port name currently */
+ /* Foo. This assumes gdb has a unix pid */
+ sprintf (buf, "gdb-%d", getpid ());
+ gdb_register_port (buf, our_message_port);
+ }
+
+ /* Heap for thread commands */
+ obstack_init (cproc_obstack);
+
+ add_mach_specific_commands ();
+}
projects / deliverable / binutils-gdb.git / commitdiff
