1 /* nto-tdep.h - QNX Neutrino target header.
3 Copyright (C) 2003, 2007 Free Software Foundation, Inc.
5 Contributed by QNX Software Systems Ltd.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 Boston, MA 02110-1301, USA. */
32 /* Target operations defined for Neutrino targets (<target>-nto-tdep.c). */
36 /* For 'maintenance debug nto-debug' command. */
37 int internal_debugging;
39 /* The CPUINFO flags from the remote. Currently used by
40 i386 for fxsave but future proofing other hosts.
41 This is initialized in procfs_attach or nto_start_remote
42 depending on our host/target. It would only be invalid
43 if we were talking to an older pdebug which didn't support
44 the cpuinfo message. */
45 unsigned cpuinfo_flags;
47 /* True if successfully retrieved cpuinfo from remote. */
50 /* Given a register, return an id that represents the Neutrino
51 regset it came from. If reg == -1 update all regsets. */
52 int (*regset_id) (int);
54 void (*supply_gregset) (struct regcache *, char *);
56 void (*supply_fpregset) (struct regcache *, char *);
58 void (*supply_altregset) (struct regcache *, char *);
60 /* Given a regset, tell gdb about registers stored in data. */
61 void (*supply_regset) (struct regcache *, int, char *);
63 /* Given a register and regset, calculate the offset into the regset
64 and stuff it into the last argument. If regno is -1, calculate the
65 size of the entire regset. Returns length of data, -1 if unknown
66 regset, 0 if unknown register. */
67 int (*register_area) (int, int, unsigned *);
69 /* Build the Neutrino register set info into the data buffer.
70 Return -1 if unknown regset, 0 otherwise. */
71 int (*regset_fill) (const struct regcache *, int, char *);
73 /* Gives the fetch_link_map_offsets function exposure outside of
74 solib-svr4.c so that we can override relocate_section_addresses(). */
75 struct link_map_offsets *(*fetch_link_map_offsets) (void);
77 /* Used by nto_elf_osabi_sniffer to determine if we're connected to an
79 enum gdb_osabi (*is_nto_target) (bfd *abfd);
82 extern struct nto_target_ops current_nto_target;
84 #define nto_internal_debugging (current_nto_target.internal_debugging)
86 #define nto_cpuinfo_flags (current_nto_target.cpuinfo_flags)
88 #define nto_cpuinfo_valid (current_nto_target.cpuinfo_valid)
90 #define nto_regset_id (current_nto_target.regset_id)
92 #define nto_supply_gregset (current_nto_target.supply_gregset)
94 #define nto_supply_fpregset (current_nto_target.supply_fpregset)
96 #define nto_supply_altregset (current_nto_target.supply_altregset)
98 #define nto_supply_regset (current_nto_target.supply_regset)
100 #define nto_register_area (current_nto_target.register_area)
102 #define nto_regset_fill (current_nto_target.regset_fill)
104 #define nto_fetch_link_map_offsets \
105 (current_nto_target.fetch_link_map_offsets)
107 #define nto_is_nto_target (current_nto_target.is_nto_target)
109 /* Keep this consistant with neutrino syspage.h. */
127 /* These correspond to the DSMSG_* versions in dsmsgs.h. */
137 typedef char qnx_reg64[8];
139 typedef struct _debug_regs
141 qnx_reg64 padding[1024];
144 /* Generic functions in nto-tdep.c. */
146 void nto_init_solib_absolute_prefix (void);
148 void nto_set_target(struct nto_target_ops *);
150 char **nto_parse_redirection (char *start_argv[], char **in,
151 char **out, char **err);
153 int proc_iterate_over_mappings (int (*func) (int, CORE_ADDR));
155 void nto_relocate_section_addresses (struct so_list *,
156 struct section_table *);
158 int nto_map_arch_to_cputype (const char *);
160 int nto_find_and_open_solib (char *, unsigned, char **);
162 enum gdb_osabi nto_elf_osabi_sniffer (bfd *abfd);
164 void nto_initialize_signals (void);
166 void nto_generic_supply_gpregset (const struct regset *, struct regcache *,
167 int, const void *, size_t);
169 void nto_generic_supply_fpregset (const struct regset *, struct regcache *,
170 int, const void *, size_t);
172 void nto_generic_supply_altregset (const struct regset *, struct regcache *,
173 int, const void *, size_t);
175 /* Dummy function for initializing nto_target_ops on targets which do
176 not define a particular regset. */
177 void nto_dummy_supply_regset (struct regcache *regcache, char *regs);
179 int nto_in_dynsym_resolve_code (CORE_ADDR pc);