GDB (xrefs)
/tmp/gdb-7.10/gdb/darwin-nat.h
Go to the documentation of this file.
1 /* Common things used by the various darwin files
2  Copyright (C) 1995-2015 Free Software Foundation, Inc.
3 
4  This program is free software; you can redistribute it and/or modify
5  it under the terms of the GNU General Public License as published by
6  the Free Software Foundation; either version 3 of the License, or
7  (at your option) any later version.
8 
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  GNU General Public License for more details.
13 
14  You should have received a copy of the GNU General Public License
15  along with this program. If not, see <http://www.gnu.org/licenses/>. */
16 
17 #ifndef __DARWIN_NAT_H__
18 #define __DARWIN_NAT_H__
19 
20 #include <mach/mach.h>
21 
22 /* Describe the mach exception handling state for a task. This state is saved
23  before being changed and restored when a process is detached.
24  For more information on these fields see task_get_exception_ports manual
25  page. */
27 {
28  /* Exceptions handled by the port. */
29  exception_mask_t masks[EXC_TYPES_COUNT];
30 
31  /* Ports receiving exception messages. */
32  mach_port_t ports[EXC_TYPES_COUNT];
33 
34  /* Type of messages sent. */
35  exception_behavior_t behaviors[EXC_TYPES_COUNT];
36 
37  /* Type of state to be sent. */
38  thread_state_flavor_t flavors[EXC_TYPES_COUNT];
39 
40  /* Number of elements set. */
41  mach_msg_type_number_t count;
42 };
44 
46 {
47  mach_msg_header_t header;
48 
49  /* Thread and task taking the exception. */
50  mach_port_t thread_port;
51  mach_port_t task_port;
52 
53  /* Type of the exception. */
54  exception_type_t ex_type;
55 
56  /* Machine dependent details. */
57  mach_msg_type_number_t data_count;
58  integer_t ex_data[2];
59 };
60 
62 {
63  /* The thread is running. */
65 
66  /* The thread is stopped. */
68 
69  /* The thread has sent a message and waits for a reply. */
71 };
72 
74 {
75  /* The thread port from a GDB point of view. */
77 
78  /* The thread port from the inferior point of view. Not to be used inside
79  gdb except for get_ada_task_ptid. */
81 
82  /* Current message state.
83  If the kernel has sent a message it expects a reply and the inferior
84  can't be killed before. */
86 
87  /* True if this thread is single-stepped. */
88  unsigned char single_step;
89 
90  /* True if a signal was manually sent to the thread. */
91  unsigned char signaled;
92 
93  /* The last exception received. */
95 };
97 
98 /* Define the threads vector type. */
100 
101 
102 /* Describe an inferior. */
104 {
105  /* Corresponding task port. */
106  task_t task;
107 
108  /* Port which will receive the dead-name notification for the task port.
109  This is used to detect the death of the task. */
110  mach_port_t notify_port;
111 
112  /* Initial exception handling. */
114 
115  /* Number of messages that have been received but not yet replied. */
116  unsigned int pending_messages;
117 
118  /* Set if inferior is not controlled by ptrace(2) but through Mach. */
119  unsigned char no_ptrace;
120 
121  /* True if this task is suspended. */
122  unsigned char suspended;
123 
124  /* Sorted vector of known threads. */
125  VEC(darwin_thread_t) *threads;
126 };
128 
129 /* Exception port. */
130 extern mach_port_t darwin_ex_port;
131 
132 /* Port set. */
133 extern mach_port_t darwin_port_set;
134 
135 /* A copy of mach_host_self (). */
136 extern mach_port_t darwin_host_self;
137 
138 /* FUNCTION_NAME is defined in common-utils.h (or not). */
139 #ifdef FUNCTION_NAME
140 #define MACH_CHECK_ERROR(ret) \
141  mach_check_error (ret, __FILE__, __LINE__, FUNCTION_NAME)
142 #else
143 #define MACH_CHECK_ERROR(ret) \
144  mach_check_error (ret, __FILE__, __LINE__, "??")
145 #endif
146 
147 extern void mach_check_error (kern_return_t ret, const char *file,
148  unsigned int line, const char *func);
149 
150 void darwin_set_sstep (thread_t thread, int enable);
151 
152 /* This one is called in darwin-nat.c, but needs to be provided by the
153  platform specific nat code. It allows each platform to add platform specific
154  stuff to the darwin_ops. */
155 extern void darwin_complete_target (struct target_ops *target);
156 
158 
159 #endif /* __DARWIN_NAT_H__ */
thread_state_flavor_t flavors[EXC_TYPES_COUNT]
Definition: darwin-nat.h:38
void(* func)(char *)
void darwin_set_sstep(thread_t thread, int enable)
void mach_check_error(kern_return_t ret, const char *file, unsigned int line, const char *func)
Definition: darwin-nat.c:192
exception_mask_t masks[EXC_TYPES_COUNT]
Definition: darwin-nat.h:29
exception_behavior_t behaviors[EXC_TYPES_COUNT]
Definition: darwin-nat.h:35
VEC(darwin_thread_t)*threads
mach_port_t ports[EXC_TYPES_COUNT]
Definition: darwin-nat.h:32
unsigned char no_ptrace
Definition: darwin-nat.h:119
DEF_VEC_O(darwin_thread_t)
darwin_msg_state
Definition: darwin-nat.h:61
mach_port_t darwin_port_set
Definition: darwin-nat.c:130
unsigned char signaled
Definition: darwin-nat.h:91
mach_msg_header_t header
Definition: darwin-nat.h:47
darwin_exception_info exception_info
Definition: darwin-nat.h:113
enum darwin_msg_state msg_state
Definition: darwin-nat.h:85
mach_msg_type_number_t data_count
Definition: darwin-nat.h:57
mach_port_t task_port
Definition: darwin-nat.h:51
#define enable()
Definition: ser-go32.c:239
Definition: gnu-nat.c:163
unsigned int pending_messages
Definition: darwin-nat.h:116
pthread_t thread_t
mach_port_t thread_port
Definition: darwin-nat.h:50
mach_port_t darwin_host_self
Definition: darwin-nat.c:124
struct darwin_exception_msg event
Definition: darwin-nat.h:94
unsigned char suspended
Definition: darwin-nat.h:122
mach_port_t notify_port
Definition: darwin-nat.h:110
unsigned char single_step
Definition: darwin-nat.h:88
int line
Definition: symtab.h:1570
integer_t ex_data[2]
Definition: darwin-nat.h:58
void darwin_check_osabi(darwin_inferior *inf, thread_t thread)
exception_type_t ex_type
Definition: darwin-nat.h:54
mach_msg_type_number_t count
Definition: darwin-nat.h:41
void darwin_complete_target(struct target_ops *target)
mach_port_t darwin_ex_port
Definition: darwin-nat.c:127