/* 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 _OS_MACH3_H_ #define _OS_MACH3_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; /* Startup the inferior task and suspend it after the correct code is loaded */ #define STARTUP_INFERIOR(x) intercept_exec_calls(x) #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 in mach_msg() and ^C is typed set immediate_quit */ #define REQUEST_QUIT() mach3_request_quit () #endif /* _OS_MACH3_H_ */