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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [gdb/] [darwin-nat.h] - Blame information for rev 841

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1 330 jeremybenn
/* Common things used by the various darwin files
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   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007, 2008, 2009, 2010
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   Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DARWIN_NAT_H__
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#define __DARWIN_NAT_H__
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#include <mach/mach.h>
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#include "gdb_assert.h"
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/* Describe the mach exception handling state for a task.  This state is saved
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   before being changed and restored when a process is detached.
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   For more information on these fields see task_get_exception_ports manual
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   page.  */
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struct darwin_exception_info
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{
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  /* Exceptions handled by the port.  */
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  exception_mask_t masks[EXC_TYPES_COUNT];
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  /* Ports receiving exception messages.  */
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  mach_port_t ports[EXC_TYPES_COUNT];
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  /* Type of messages sent.  */
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  exception_behavior_t behaviors[EXC_TYPES_COUNT];
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  /* Type of state to be sent.  */
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  thread_state_flavor_t flavors[EXC_TYPES_COUNT];
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  /* Number of elements set.  */
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  mach_msg_type_number_t count;
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};
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typedef struct darwin_exception_info darwin_exception_info;
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struct darwin_exception_msg
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{
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  mach_msg_header_t header;
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  /* Thread and task taking the exception.  */
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  mach_port_t thread_port;
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  mach_port_t task_port;
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  /* Type of the exception.  */
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  exception_type_t ex_type;
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  /* Machine dependent details.  */
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  mach_msg_type_number_t data_count;
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  integer_t ex_data[2];
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};
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enum darwin_msg_state { DARWIN_RUNNING, DARWIN_STOPPED, DARWIN_MESSAGE };
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struct private_thread_info
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{
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  /* The thread port from a GDB point of view.  */
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  thread_t gdb_port;
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  /* The thread port from the inferior point of view.  Not to be used inside
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     gdb except for get_ada_task_ptid.  */
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  thread_t inf_port;
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  /* Current message state.
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     If the kernel has sent a message it expects a reply and the inferior
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     can't be killed before.  */
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  enum darwin_msg_state msg_state;
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  /* True if this thread is single-stepped.  */
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  unsigned char single_step;
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  /* True if a signal was manually sent to the thread.  */
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  unsigned char signaled;
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  /* The last exception received.  */
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  struct darwin_exception_msg event;
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};
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typedef struct private_thread_info darwin_thread_t;
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/* Define the threads vector type.  */
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DEF_VEC_O (darwin_thread_t);
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/* Describe an inferior.  */
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struct private_inferior
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{
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  /* Corresponding task port.  */
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  task_t task;
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  /* Port which will receive the dead-name notification for the task port.
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     This is used to detect the death of the task.  */
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  mach_port_t notify_port;
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  /* Initial exception handling.  */
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  darwin_exception_info exception_info;
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  /* Number of messages that have been received but not yet replied.  */
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  unsigned int pending_messages;
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  /* Set if inferior is not controlled by ptrace(2) but through Mach.  */
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  unsigned char no_ptrace;
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  /* True if this task is suspended.  */
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  unsigned char suspended;
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  /* Sorted vector of known threads.  */
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  VEC(darwin_thread_t) *threads;
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};
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typedef struct private_inferior darwin_inferior;
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/* Exception port.  */
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extern mach_port_t darwin_ex_port;
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/* Port set.  */
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extern mach_port_t darwin_port_set;
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/* A copy of mach_host_self ().  */
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extern mach_port_t darwin_host_self;
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/* ASSERT_FUNCTION is defined in gdb_assert.h (or not).  */
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#ifdef ASSERT_FUNCTION
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#define MACH_CHECK_ERROR(ret) \
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  mach_check_error (ret, __FILE__, __LINE__, ASSERT_FUNCTION)
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#else
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#define MACH_CHECK_ERROR(ret) \
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  mach_check_error (ret, __FILE__, __LINE__, "??")
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#endif
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extern void mach_check_error (kern_return_t ret, const char *file,
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                              unsigned int line, const char *func);
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void darwin_set_sstep (thread_t thread, int enable);
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/* This one is called in darwin-nat.c, but needs to be provided by the
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   platform specific nat code.  It allows each platform to add platform specific
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   stuff to the darwin_ops.  */
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extern void darwin_complete_target (struct target_ops *target);
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void darwin_check_osabi (darwin_inferior *inf, thread_t thread);
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#endif /* __DARWIN_NAT_H__ */

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