/* Common things used by the various darwin files
- Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 1995-2015 Free Software Foundation, Inc.
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
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, see <http://www.gnu.org/licenses/>.
-*/
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef __DARWIN_NAT_H__
#define __DARWIN_NAT_H__
#include <mach/mach.h>
-#include "gdb_assert.h"
-
-/* Define the threads vector type. */
-DEF_VEC_I (thread_t);
/* Describe the mach exception handling state for a task. This state is saved
before being changed and restored when a process is detached.
};
typedef struct darwin_exception_info darwin_exception_info;
-/* Describe an inferior. */
-struct darwin_inferior
+struct darwin_exception_msg
{
- /* Inferior PID. */
- int pid;
+ mach_msg_header_t header;
+
+ /* Thread and task taking the exception. */
+ mach_port_t thread_port;
+ mach_port_t task_port;
+
+ /* Type of the exception. */
+ exception_type_t ex_type;
+
+ /* Machine dependent details. */
+ mach_msg_type_number_t data_count;
+ integer_t ex_data[2];
+};
+
+enum darwin_msg_state
+{
+ /* The thread is running. */
+ DARWIN_RUNNING,
+
+ /* The thread is stopped. */
+ DARWIN_STOPPED,
+
+ /* The thread has sent a message and waits for a reply. */
+ DARWIN_MESSAGE
+};
+
+struct private_thread_info
+{
+ /* The thread port from a GDB point of view. */
+ thread_t gdb_port;
+
+ /* The thread port from the inferior point of view. Not to be used inside
+ gdb except for get_ada_task_ptid. */
+ thread_t inf_port;
+ /* Current message state.
+ If the kernel has sent a message it expects a reply and the inferior
+ can't be killed before. */
+ enum darwin_msg_state msg_state;
+
+ /* True if this thread is single-stepped. */
+ unsigned char single_step;
+
+ /* True if a signal was manually sent to the thread. */
+ unsigned char signaled;
+
+ /* The last exception received. */
+ struct darwin_exception_msg event;
+};
+typedef struct private_thread_info darwin_thread_t;
+
+/* Define the threads vector type. */
+DEF_VEC_O (darwin_thread_t);
+
+
+/* Describe an inferior. */
+struct private_inferior
+{
/* Corresponding task port. */
task_t task;
- /* Previous port for request notification on task. */
- mach_port_t prev_not_port;
+ /* Port which will receive the dead-name notification for the task port.
+ This is used to detect the death of the task. */
+ mach_port_t notify_port;
/* Initial exception handling. */
darwin_exception_info exception_info;
+ /* Number of messages that have been received but not yet replied. */
+ unsigned int pending_messages;
+
+ /* Set if inferior is not controlled by ptrace(2) but through Mach. */
+ unsigned char no_ptrace;
+
+ /* True if this task is suspended. */
+ unsigned char suspended;
+
/* Sorted vector of known threads. */
- VEC(thread_t) *threads;
+ VEC(darwin_thread_t) *threads;
};
-typedef struct darwin_inferior darwin_inferior;
-
-/* Current inferior. */
-extern darwin_inferior *darwin_inf;
+typedef struct private_inferior darwin_inferior;
/* Exception port. */
extern mach_port_t darwin_ex_port;
-/* Notification port. */
-extern mach_port_t darwin_not_port;
-
/* Port set. */
extern mach_port_t darwin_port_set;
/* A copy of mach_host_self (). */
extern mach_port_t darwin_host_self;
-/* ASSERT_FUNCTION is defined in gdb_assert.h (or not). */
-#ifdef ASSERT_FUNCTION
+/* FUNCTION_NAME is defined in common-utils.h (or not). */
+#ifdef FUNCTION_NAME
#define MACH_CHECK_ERROR(ret) \
- mach_check_error (ret, __FILE__, __LINE__, ASSERT_FUNCTION)
+ mach_check_error (ret, __FILE__, __LINE__, FUNCTION_NAME)
#else
#define MACH_CHECK_ERROR(ret) \
mach_check_error (ret, __FILE__, __LINE__, "??")
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