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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [darwin-nat.h] - Rev 455
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/* Common things used by the various darwin files Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007, 2008, 2009, 2010 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 the Free Software Foundation; either version 3 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, see <http://www.gnu.org/licenses/>. */ #ifndef __DARWIN_NAT_H__ #define __DARWIN_NAT_H__ #include <mach/mach.h> #include "gdb_assert.h" /* Describe the mach exception handling state for a task. This state is saved before being changed and restored when a process is detached. For more information on these fields see task_get_exception_ports manual page. */ struct darwin_exception_info { /* Exceptions handled by the port. */ exception_mask_t masks[EXC_TYPES_COUNT]; /* Ports receiving exception messages. */ mach_port_t ports[EXC_TYPES_COUNT]; /* Type of messages sent. */ exception_behavior_t behaviors[EXC_TYPES_COUNT]; /* Type of state to be sent. */ thread_state_flavor_t flavors[EXC_TYPES_COUNT]; /* Number of elements set. */ mach_msg_type_number_t count; }; typedef struct darwin_exception_info darwin_exception_info; struct darwin_exception_msg { 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 { DARWIN_RUNNING, DARWIN_STOPPED, 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; /* 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(darwin_thread_t) *threads; }; typedef struct private_inferior darwin_inferior; /* Exception port. */ extern mach_port_t darwin_ex_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 #define MACH_CHECK_ERROR(ret) \ mach_check_error (ret, __FILE__, __LINE__, ASSERT_FUNCTION) #else #define MACH_CHECK_ERROR(ret) \ mach_check_error (ret, __FILE__, __LINE__, "??") #endif extern void mach_check_error (kern_return_t ret, const char *file, unsigned int line, const char *func); void darwin_set_sstep (thread_t thread, int enable); /* This one is called in darwin-nat.c, but needs to be provided by the platform specific nat code. It allows each platform to add platform specific stuff to the darwin_ops. */ extern void darwin_complete_target (struct target_ops *target); void darwin_check_osabi (darwin_inferior *inf, thread_t thread); #endif /* __DARWIN_NAT_H__ */
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