1 /* Mach 3.0 common definitions and global vars.
3 Copyright (C) 1992 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
26 /* Mach3 doesn't declare errno in <errno.h>. */
29 /* Task port of our debugged inferior. */
31 extern task_t inferior_task
;
33 /* Thread port of the current thread in the inferior. */
35 extern thread_t current_thread
;
37 /* If nonzero, we must suspend/abort && resume threads
38 * when setting or getting the state.
40 extern int must_suspend_thread
;
42 #define PREPARE_TO_PROCEED(select_it) mach3_prepare_to_proceed(select_it)
44 /* Try to get the privileged host port for authentication to machid
46 * If you can get this, you may debug anything on this host.
48 * If you can't, gdb gives it's own task port as the
51 #define mach_privileged_host_port() task_by_pid(-1)
54 * This is the MIG ID number of the emulator/server bsd_execve() RPC call.
56 * It SHOULD never change, but if it does, gdb `run'
57 * command won't work until you fix this define.
60 #define MIG_EXEC_SYSCALL_ID 101000
62 /* If our_message_port gets a msg with this ID,
63 * GDB suspends it's inferior and enters command level.
64 * (Useful at least if ^C does not work)
66 #define GDB_MESSAGE_ID_STOP 0x41151
68 /* wait3 WNOHANG is defined in <sys/wait.h> but
69 * for some reason gdb does not want to include
72 * If your system defines WNOHANG differently, this has to be changed.
76 /* Before storing, we need to read all the registers. */
78 #define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
80 /* Check if the inferior exists */
81 #define MACH_ERROR_NO_INFERIOR \
82 do if (!MACH_PORT_VALID (inferior_task)) \
83 error ("Inferior task does not exist."); while(0)
85 /* Error handler for mach calls */
86 #define CHK(str,ret) \
87 do if (ret != KERN_SUCCESS) \
88 error ("Gdb %s [%d] %s : %s\n",__FILE__,__LINE__,str, \
89 mach_error_string(ret)); while(0)
91 /* This is from POE9 emulator/emul_stack.h
94 * Top of emulator stack holds link and reply port.
96 struct emul_stack_top
{
97 struct emul_stack_top
*link
;
98 mach_port_t reply_port
;
101 #define EMULATOR_STACK_SIZE (4096*4)
103 #define THREAD_ALLOWED_TO_BREAK(mid) mach_thread_for_breakpoint (mid)
105 #define THREAD_PARSE_ID(arg) mach_thread_parse_id (arg)
107 #define THREAD_OUTPUT_ID(mid) mach_thread_output_id (mid)
109 #define ATTACH_TO_THREAD attach_to_thread
111 /* Do Mach 3 dependent operations when ^C or a STOP is requested */
112 #define DO_QUIT() mach3_quit ()
114 /* If in mach_msg() and ^C is typed set immediate_quit */
115 #define REQUEST_QUIT() mach3_request_quit ()
117 #endif /* _OS_MACH3_H_ */
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