Commit | Line | Data |
---|---|---|
1b883d35 KW |
1 | /* nto-tdep.h - QNX Neutrino target header. |
2 | ||
3 | Copyright 2003 Free Software Foundation, Inc. | |
4 | ||
5 | Contributed by QNX Software Systems Ltd. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
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. | |
13 | ||
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. | |
18 | ||
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. */ | |
23 | ||
24 | #ifndef _NTO_TDEP_H | |
25 | #define _NTO_TDEP_H | |
26 | ||
27 | #include "defs.h" | |
28 | #include "solist.h" | |
29 | ||
30 | /* Generic functions in nto-tdep.c. */ | |
31 | ||
47979a4b | 32 | extern void nto_init_solib_absolute_prefix (void); |
1b883d35 | 33 | |
47979a4b KW |
34 | char **nto_parse_redirection (char *start_argv[], char **in, |
35 | char **out, char **err); | |
1b883d35 | 36 | |
47979a4b | 37 | int proc_iterate_over_mappings (int (*func) (int, CORE_ADDR)); |
1b883d35 | 38 | |
47979a4b | 39 | void nto_relocate_section_addresses (struct so_list *, struct section_table *); |
1b883d35 | 40 | |
47979a4b | 41 | int nto_map_arch_to_cputype (const char *); |
1b883d35 | 42 | |
47979a4b | 43 | int nto_find_and_open_solib (char *, unsigned, char **); |
1b883d35 KW |
44 | |
45 | /* Dummy function for initializing nto_target_ops on targets which do | |
46 | not define a particular regset. */ | |
47979a4b | 47 | void nto_dummy_supply_regset (char *regs); |
1b883d35 KW |
48 | |
49 | /* Target operations defined for Neutrino targets (<target>-nto-tdep.c). */ | |
50 | ||
51 | struct nto_target_ops | |
52 | { | |
53 | int nto_internal_debugging; | |
54 | unsigned nto_cpuinfo_flags; | |
55 | int nto_cpuinfo_valid; | |
56 | ||
57 | int (*nto_regset_id) (int); | |
58 | void (*nto_supply_gregset) (char *); | |
59 | void (*nto_supply_fpregset) (char *); | |
60 | void (*nto_supply_altregset) (char *); | |
61 | void (*nto_supply_regset) (int, char *); | |
62 | int (*nto_register_area) (int, int, unsigned *); | |
63 | int (*nto_regset_fill) (int, char *); | |
64 | struct link_map_offsets *(*nto_fetch_link_map_offsets) (void); | |
65 | }; | |
66 | ||
67 | extern struct nto_target_ops current_nto_target; | |
68 | ||
69 | /* For 'maintenance debug nto-debug' command. */ | |
70 | #define nto_internal_debugging \ | |
71 | (current_nto_target.nto_internal_debugging) | |
72 | ||
73 | /* The CPUINFO flags from the remote. Currently used by | |
74 | i386 for fxsave but future proofing other hosts. | |
75 | This is initialized in procfs_attach or nto_start_remote | |
76 | depending on our host/target. It would only be invalid | |
77 | if we were talking to an older pdebug which didn't support | |
78 | the cpuinfo message. */ | |
79 | #define nto_cpuinfo_flags \ | |
80 | (current_nto_target.nto_cpuinfo_flags) | |
81 | ||
82 | /* True if successfully retrieved cpuinfo from remote. */ | |
83 | #define nto_cpuinfo_valid \ | |
84 | (current_nto_target.nto_cpuinfo_valid) | |
85 | ||
86 | /* Given a register, return an id that represents the Neutrino | |
87 | regset it came from. If reg == -1 update all regsets. */ | |
88 | #define nto_regset_id(reg) \ | |
89 | (*current_nto_target.nto_regset_id) (reg) | |
90 | ||
91 | #define nto_supply_gregset(regs) \ | |
92 | (*current_nto_target.nto_supply_gregset) (regs) | |
93 | ||
94 | #define nto_supply_fpregset(regs) \ | |
95 | (*current_nto_target.nto_supply_fpregset) (regs) | |
96 | ||
97 | #define nto_supply_altregset(regs) \ | |
98 | (*current_nto_target.nto_supply_altregset) (regs) | |
99 | ||
100 | /* Given a regset, tell gdb about registers stored in data. */ | |
101 | #define nto_supply_regset(regset, data) \ | |
102 | (*current_nto_target.nto_supply_regset) (regset, data) | |
103 | ||
104 | /* Given a register and regset, calculate the offset into the regset | |
105 | and stuff it into the last argument. If regno is -1, calculate the | |
106 | size of the entire regset. Returns length of data, -1 if unknown | |
107 | regset, 0 if unknown register. */ | |
108 | #define nto_register_area(reg, regset, off) \ | |
109 | (*current_nto_target.nto_register_area) (reg, regset, off) | |
110 | ||
111 | /* Build the Neutrino register set info into the data buffer. | |
112 | Return -1 if unknown regset, 0 otherwise. */ | |
113 | #define nto_regset_fill(regset, data) \ | |
114 | (*current_nto_target.nto_regset_fill) (regset, data) | |
115 | ||
116 | /* Gives the fetch_link_map_offsets function exposure outside of | |
117 | solib-svr4.c so that we can override relocate_section_addresses(). */ | |
118 | #define nto_fetch_link_map_offsets() \ | |
119 | (*current_nto_target.nto_fetch_link_map_offsets) () | |
120 | ||
121 | /* Keep this consistant with neutrino syspage.h. */ | |
122 | enum | |
123 | { | |
124 | CPUTYPE_X86, | |
125 | CPUTYPE_PPC, | |
126 | CPUTYPE_MIPS, | |
127 | CPUTYPE_SPARE, | |
128 | CPUTYPE_ARM, | |
129 | CPUTYPE_SH, | |
130 | CPUTYPE_UNKNOWN | |
131 | }; | |
132 | ||
133 | enum | |
134 | { | |
135 | OSTYPE_QNX4, | |
136 | OSTYPE_NTO | |
137 | }; | |
138 | ||
139 | /* These correspond to the DSMSG_* versions in dsmsgs.h. */ | |
140 | enum | |
141 | { | |
142 | NTO_REG_GENERAL, | |
143 | NTO_REG_FLOAT, | |
144 | NTO_REG_SYSTEM, | |
145 | NTO_REG_ALT, | |
146 | NTO_REG_END | |
147 | }; | |
148 | ||
149 | typedef char qnx_reg64[8]; | |
150 | ||
151 | typedef struct _debug_regs | |
152 | { | |
153 | qnx_reg64 padding[1024]; | |
154 | } nto_regset_t; | |
155 | ||
156 | #endif |