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160 lines
4.5 KiB
C
160 lines
4.5 KiB
C
/* Common things used by the various darwin files
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Copyright (C) 1995-2017 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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#ifndef __DARWIN_NAT_H__
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#define __DARWIN_NAT_H__
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#include <mach/mach.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
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{
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/* The thread is running. */
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DARWIN_RUNNING,
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/* The thread is stopped. */
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DARWIN_STOPPED,
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/* The thread has sent a message and waits for a reply. */
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DARWIN_MESSAGE
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};
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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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/* FUNCTION_NAME is defined in common-utils.h (or not). */
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#ifdef FUNCTION_NAME
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#define MACH_CHECK_ERROR(ret) \
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mach_check_error (ret, __FILE__, __LINE__, FUNCTION_NAME)
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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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