1 /* nto-tdep.h - QNX Neutrino target header.
3 Copyright (C) 2003, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
6 Contributed by QNX Software Systems Ltd.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
29 #include "gdbthread.h"
31 /* Target operations defined for Neutrino targets (<target>-nto-tdep.c). */
35 /* For 'maintenance debug nto-debug' command. */
36 int internal_debugging;
38 /* The CPUINFO flags from the remote. Currently used by
39 i386 for fxsave but future proofing other hosts.
40 This is initialized in procfs_attach or nto_start_remote
41 depending on our host/target. It would only be invalid
42 if we were talking to an older pdebug which didn't support
43 the cpuinfo message. */
44 unsigned cpuinfo_flags;
46 /* True if successfully retrieved cpuinfo from remote. */
49 /* Given a register, return an id that represents the Neutrino
50 regset it came from. If reg == -1 update all regsets. */
51 int (*regset_id) (int);
53 void (*supply_gregset) (struct regcache *, char *);
55 void (*supply_fpregset) (struct regcache *, char *);
57 void (*supply_altregset) (struct regcache *, char *);
59 /* Given a regset, tell gdb about registers stored in data. */
60 void (*supply_regset) (struct regcache *, int, char *);
62 /* Given a register and regset, calculate the offset into the regset
63 and stuff it into the last argument. If regno is -1, calculate the
64 size of the entire regset. Returns length of data, -1 if unknown
65 regset, 0 if unknown register. */
66 int (*register_area) (struct gdbarch *, int, int, unsigned *);
68 /* Build the Neutrino register set info into the data buffer.
69 Return -1 if unknown regset, 0 otherwise. */
70 int (*regset_fill) (const struct regcache *, int, char *);
72 /* Gives the fetch_link_map_offsets function exposure outside of
73 solib-svr4.c so that we can override relocate_section_addresses(). */
74 struct link_map_offsets *(*fetch_link_map_offsets) (void);
76 /* Used by nto_elf_osabi_sniffer to determine if we're connected to an
78 enum gdb_osabi (*is_nto_target) (bfd *abfd);
81 extern struct nto_target_ops current_nto_target;
83 #define nto_internal_debugging (current_nto_target.internal_debugging)
85 #define nto_cpuinfo_flags (current_nto_target.cpuinfo_flags)
87 #define nto_cpuinfo_valid (current_nto_target.cpuinfo_valid)
89 #define nto_regset_id (current_nto_target.regset_id)
91 #define nto_supply_gregset (current_nto_target.supply_gregset)
93 #define nto_supply_fpregset (current_nto_target.supply_fpregset)
95 #define nto_supply_altregset (current_nto_target.supply_altregset)
97 #define nto_supply_regset (current_nto_target.supply_regset)
99 #define nto_register_area (current_nto_target.register_area)
101 #define nto_regset_fill (current_nto_target.regset_fill)
103 #define nto_fetch_link_map_offsets \
104 (current_nto_target.fetch_link_map_offsets)
106 #define nto_is_nto_target (current_nto_target.is_nto_target)
108 /* Keep this consistant with neutrino syspage.h. */
126 /* These correspond to the DSMSG_* versions in dsmsgs.h. */
136 typedef char qnx_reg64[8];
138 typedef struct _debug_regs
140 qnx_reg64 padding[1024];
143 struct private_thread_info
151 /* Generic functions in nto-tdep.c. */
153 void nto_init_solib_absolute_prefix (void);
155 char **nto_parse_redirection (char *start_argv[], const char **in,
156 const char **out, const char **err);
158 void nto_relocate_section_addresses (struct so_list *,
159 struct target_section *);
161 int nto_map_arch_to_cputype (const char *);
163 int nto_find_and_open_solib (char *, unsigned, char **);
165 enum gdb_osabi nto_elf_osabi_sniffer (bfd *abfd);
167 void nto_initialize_signals (void);
169 /* Dummy function for initializing nto_target_ops on targets which do
170 not define a particular regset. */
171 void nto_dummy_supply_regset (struct regcache *regcache, char *regs);
173 int nto_in_dynsym_resolve_code (CORE_ADDR pc);
175 char *nto_extra_thread_info (struct thread_info *);