1 /* Internal interfaces for the GNU/Linux specific target code for gdbserver.
2 Copyright 2002, 2004, 2005 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #ifdef HAVE_LINUX_REGSETS
22 typedef void (*regset_fill_func) (void *);
23 typedef void (*regset_store_func) (const void *);
32 int get_request, set_request;
34 enum regset_type type;
35 regset_fill_func fill_function;
36 regset_store_func store_function;
38 extern struct regset_info target_regsets[];
41 struct linux_target_ops
45 int (*cannot_fetch_register) (int);
47 /* Returns 0 if we can store the register, 1 if we can not
48 store the register, and 2 if failure to store the register
50 int (*cannot_store_register) (int);
51 CORE_ADDR (*get_pc) (void);
52 void (*set_pc) (CORE_ADDR newpc);
53 const char *breakpoint;
55 CORE_ADDR (*breakpoint_reinsert_addr) (void);
58 int decr_pc_after_break;
59 int (*breakpoint_at) (CORE_ADDR pc);
61 /* Watchpoint related functions. See target.h for comments. */
62 int (*insert_watchpoint) (char type, CORE_ADDR addr, int len);
63 int (*remove_watchpoint) (char type, CORE_ADDR addr, int len);
64 int (*stopped_by_watchpoint) (void);
65 CORE_ADDR (*stopped_data_address) (void);
69 extern struct linux_target_ops the_low_target;
71 #define get_process(inf) ((struct process_info *)(inf))
72 #define get_thread_process(thr) (get_process (inferior_target_data (thr)))
73 #define get_process_thread(proc) ((struct thread_info *) \
74 find_inferior_id (&all_threads, \
75 get_process (proc)->tid))
79 struct inferior_list_entry head;
84 /* If this flag is set, the next SIGSTOP will be ignored (the process will
85 be immediately resumed). */
88 /* If this flag is set, the process is known to be stopped right now (stop
89 event already received in a wait()). */
92 /* If this flag is set, we have sent a SIGSTOP to this process and are
93 waiting for it to stop. */
96 /* If this flag is set, STATUS_PENDING is a waitstatus that has not yet
101 /* If this flag is set, the pending status is a (GDB-placed) breakpoint. */
102 int pending_is_breakpoint;
103 CORE_ADDR pending_stop_pc;
105 /* If this is non-zero, it is a breakpoint to be reinserted at our next
106 stop (SIGTRAP stops only). */
107 CORE_ADDR bp_reinsert;
109 /* If this flag is set, the last continue operation on this process
110 was a single-step. */
113 /* If this is non-zero, it points to a chain of signals which need to
114 be delivered to this process. */
115 struct pending_signals *pending_signals;
117 /* A link used when resuming. It is initialized from the resume request,
118 and then processed and cleared in linux_resume_one_process. */
120 struct thread_resume *resume;
123 extern struct inferior_list all_processes;
125 void linux_attach_lwp (unsigned long pid, unsigned long tid);
127 int thread_db_init (void);