home *** CD-ROM | disk | FTP | other *** search
- /* Mach 3.0 common definitions and global vars.
-
- Copyright (C) 1992 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #ifndef NM_M3_H
- #define NM_M3_H
-
- #include <mach.h>
-
- /* Mach3 doesn't declare errno in <errno.h>. */
- extern int errno;
-
- /* Task port of our debugged inferior. */
-
- extern task_t inferior_task;
-
- /* Thread port of the current thread in the inferior. */
-
- extern thread_t current_thread;
-
- /* If nonzero, we must suspend/abort && resume threads
- * when setting or getting the state.
- */
- extern int must_suspend_thread;
-
- #define PREPARE_TO_PROCEED(select_it) mach3_prepare_to_proceed(select_it)
-
- /* Try to get the privileged host port for authentication to machid
- *
- * If you can get this, you may debug anything on this host.
- *
- * If you can't, gdb gives it's own task port as the
- * authentication port
- */
- #define mach_privileged_host_port() task_by_pid(-1)
-
- /*
- * This is the MIG ID number of the emulator/server bsd_execve() RPC call.
- *
- * It SHOULD never change, but if it does, gdb `run'
- * command won't work until you fix this define.
- *
- */
- #define MIG_EXEC_SYSCALL_ID 101000
-
- /* If our_message_port gets a msg with this ID,
- * GDB suspends it's inferior and enters command level.
- * (Useful at least if ^C does not work)
- */
- #define GDB_MESSAGE_ID_STOP 0x41151
-
- /* wait3 WNOHANG is defined in <sys/wait.h> but
- * for some reason gdb does not want to include
- * that file.
- *
- * If your system defines WNOHANG differently, this has to be changed.
- */
- #define WNOHANG 1
-
- /* Before storing, we need to read all the registers. */
-
- #define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
-
- /* Check if the inferior exists */
- #define MACH_ERROR_NO_INFERIOR \
- do if (!MACH_PORT_VALID (inferior_task)) \
- error ("Inferior task does not exist."); while(0)
-
- /* Error handler for mach calls */
- #define CHK(str,ret) \
- do if (ret != KERN_SUCCESS) \
- error ("Gdb %s [%d] %s : %s\n",__FILE__,__LINE__,str, \
- mach_error_string(ret)); while(0)
-
- /* This is from POE9 emulator/emul_stack.h
- */
- /*
- * Top of emulator stack holds link and reply port.
- */
- struct emul_stack_top {
- struct emul_stack_top *link;
- mach_port_t reply_port;
- };
-
- #define EMULATOR_STACK_SIZE (4096*4)
-
- #define THREAD_ALLOWED_TO_BREAK(mid) mach_thread_for_breakpoint (mid)
-
- #define THREAD_PARSE_ID(arg) mach_thread_parse_id (arg)
-
- #define THREAD_OUTPUT_ID(mid) mach_thread_output_id (mid)
-
- #define ATTACH_TO_THREAD attach_to_thread
-
- /* Do Mach 3 dependent operations when ^C or a STOP is requested */
- #define DO_QUIT() mach3_quit ()
-
- #if 0
- /* This is bogus. It is NOT OK to quit out of target_wait. */
- /* If in mach_msg() and ^C is typed set immediate_quit */
- #define REQUEST_QUIT() mach3_request_quit ()
- #endif
-
- #endif /* NM_M3_H */
-