bb00b29d78
* machoread.c (macho_symtab_read): Adjust for bfd changes. * darwin-nat.h (struct darwin_exception_msg): New type to describe a mach exception. (struct private_thread_info): New type to describe the state of the thread. (DEF_VEC_I thread_t): Removed, replaced by ... (DEF_VEC_O darwin_thread_t): ... this new type. (struct darwin_inferior): Renamed to ... (struct private_inferior): ... this type. Fields added. (darwin_not_port): Moved into the private inferior structure. * darwin-nat.c: Add includes, improve comments. Rewrite to handle multiple threads and processes. (darwin_resume_to): New function and protype. (darwin_resume, darwin_wait_to, darwin_wait): Ditto. (darwin_kill_inferior): Add ops argument. (darwin_pid_to_str): New function. (darwin_thread_alive): Ditto. (darwin_inf, darwin_not_port): Removed. (darwin_inf_fake_stop): New variable. (msgin, msgout, msg_state, exc_msg): Removed. (mach_check_error): Use warning instead of error. (darwin_ptrace): Adjust debug level. (cmp_thread_t): Fix names (typo). (darwin_check_new_threads): Argument is now an inferior, adjust for new structures, add no change check, ignore dead ports, handle first thread case. (find_inferior_task_it): New function. (find_inferior_notify_it): Ditto. (darwin_find_inferior_by_task): Ditto. (darwin_find_inferior_by_notify): Ditto. (darwin_find_thread): Ditto. (darwin_suspend_inferior): Ditto. (darwin_resume_inferior): Ditto. (catch_exception_raise_state): Removed. (catch_exception_raise_state_identity): Removed. (darwin_suspend_inferior_it): New function. (darwin_resume_inferior_it): Ditto. (darwin_dump_message): New function, extracted from darwin_wait. (darwin_decode_exception_message): New function. (darwin_encode_reply): New function. (catch_exception_raise): Removed. (darwin_send_reply): New function, extracted from darwin_resume. (darwin_resume_thread): New function, extracted from darwin_resume. (struct resume_inferior_threads_param): New type. (darwin_resume_inferior_threads_it): New function. (darwin_resume_inferior_threads): New function. (darwin_suspend_inferior_threads): New function. (darwin_resume): Mostly rewritten to handle multiple threads and some corner cases. (darwin_decode_message): New function extracted from darwin_wait. (cancel_breakpoint): New function. (darwin_wait): Mostly rewritten. Handle multiple threads. (darwin_mourn_inferior): Adjust for per process structures. (darwin_reply_to_all_pending_messages): New function. (darwin_stop_inferior): Adjust for per inferior structures. (darwin_attach_pid): Ditto. (darwin_init_thread_list): Ditto. (darwin_attach): Ditto. (darwin_detach): Ditto. (darwin_files_info): Now empty. (darwin_pid_to_str): Adjust returns string to match one expected by the testsuite. (darwin_read_write_inferior): Rename err variable to match other uses. Adjust debug message. Handle submaps. (darwin_xfer_memory): Adjust for per inferior structures. (set_enable_mach_exceptions): Ditto. (darwin_pid_to_exec_file): New function. (darwin_get_ada_task_ptid): Ditto. (darwin_supports_multi_process): Ditto. (_initialize_darwin_inferior): Remove useless assertion, adjust for per inferior structures. Add new target operations.
153 lines
4.4 KiB
C
153 lines
4.4 KiB
C
/* Common things used by the various darwin files
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Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007, 2008, 2009
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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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