1 /* nto-tdep.h - QNX Neutrino target header.
3 Copyright 2003 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., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
30 /* Generic functions in nto-tdep.c. */
32 extern void nto_init_solib_absolute_prefix
PARAMS ((void));
34 char **nto_parse_redirection
35 PARAMS ((char *start_argv
[], char **in
, char **out
, char **err
));
37 int proc_iterate_over_mappings
PARAMS ((int (*func
) (int, CORE_ADDR
)));
39 void nto_relocate_section_addresses
40 PARAMS ((struct so_list
*, struct section_table
*));
42 int nto_map_arch_to_cputype
PARAMS ((const char *));
44 int nto_find_and_open_solib
PARAMS ((char *, unsigned, char **));
46 /* Dummy function for initializing nto_target_ops on targets which do
47 not define a particular regset. */
48 void nto_dummy_supply_regset
PARAMS ((char *regs
));
50 /* Target operations defined for Neutrino targets (<target>-nto-tdep.c). */
54 int nto_internal_debugging
;
55 unsigned nto_cpuinfo_flags
;
56 int nto_cpuinfo_valid
;
58 int (*nto_regset_id
) (int);
59 void (*nto_supply_gregset
) (char *);
60 void (*nto_supply_fpregset
) (char *);
61 void (*nto_supply_altregset
) (char *);
62 void (*nto_supply_regset
) (int, char *);
63 int (*nto_register_area
) (int, int, unsigned *);
64 int (*nto_regset_fill
) (int, char *);
65 struct link_map_offsets
*(*nto_fetch_link_map_offsets
) (void);
68 extern struct nto_target_ops current_nto_target
;
70 /* For 'maintenance debug nto-debug' command. */
71 #define nto_internal_debugging \
72 (current_nto_target.nto_internal_debugging)
74 /* The CPUINFO flags from the remote. Currently used by
75 i386 for fxsave but future proofing other hosts.
76 This is initialized in procfs_attach or nto_start_remote
77 depending on our host/target. It would only be invalid
78 if we were talking to an older pdebug which didn't support
79 the cpuinfo message. */
80 #define nto_cpuinfo_flags \
81 (current_nto_target.nto_cpuinfo_flags)
83 /* True if successfully retrieved cpuinfo from remote. */
84 #define nto_cpuinfo_valid \
85 (current_nto_target.nto_cpuinfo_valid)
87 /* Given a register, return an id that represents the Neutrino
88 regset it came from. If reg == -1 update all regsets. */
89 #define nto_regset_id(reg) \
90 (*current_nto_target.nto_regset_id) (reg)
92 #define nto_supply_gregset(regs) \
93 (*current_nto_target.nto_supply_gregset) (regs)
95 #define nto_supply_fpregset(regs) \
96 (*current_nto_target.nto_supply_fpregset) (regs)
98 #define nto_supply_altregset(regs) \
99 (*current_nto_target.nto_supply_altregset) (regs)
101 /* Given a regset, tell gdb about registers stored in data. */
102 #define nto_supply_regset(regset, data) \
103 (*current_nto_target.nto_supply_regset) (regset, data)
105 /* Given a register and regset, calculate the offset into the regset
106 and stuff it into the last argument. If regno is -1, calculate the
107 size of the entire regset. Returns length of data, -1 if unknown
108 regset, 0 if unknown register. */
109 #define nto_register_area(reg, regset, off) \
110 (*current_nto_target.nto_register_area) (reg, regset, off)
112 /* Build the Neutrino register set info into the data buffer.
113 Return -1 if unknown regset, 0 otherwise. */
114 #define nto_regset_fill(regset, data) \
115 (*current_nto_target.nto_regset_fill) (regset, data)
117 /* Gives the fetch_link_map_offsets function exposure outside of
118 solib-svr4.c so that we can override relocate_section_addresses(). */
119 #define nto_fetch_link_map_offsets() \
120 (*current_nto_target.nto_fetch_link_map_offsets) ()
122 /* Keep this consistant with neutrino syspage.h. */
140 /* These correspond to the DSMSG_* versions in dsmsgs.h. */
150 typedef char qnx_reg64
[8];
152 typedef struct _debug_regs
154 qnx_reg64 padding
[1024];