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1b883d35 KW |
1 | /* nto-tdep.h - QNX Neutrino target header. |
2 | ||
1d506c26 | 3 | Copyright (C) 2003-2024 Free Software Foundation, Inc. |
1b883d35 KW |
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
1b883d35 KW |
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 | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
1b883d35 | 21 | |
1a5c2598 TT |
22 | #ifndef NTO_TDEP_H |
23 | #define NTO_TDEP_H | |
1b883d35 | 24 | |
1b883d35 | 25 | #include "solist.h" |
d737fd7f KW |
26 | #include "osabi.h" |
27 | #include "regset.h" | |
745a434e | 28 | #include "gdbthread.h" |
98ed24fb | 29 | #include "gdbsupport/gdb-checked-static-cast.h" |
1b883d35 KW |
30 | |
31 | /* Target operations defined for Neutrino targets (<target>-nto-tdep.c). */ | |
32 | ||
33 | struct nto_target_ops | |
34 | { | |
1b883d35 KW |
35 | /* The CPUINFO flags from the remote. Currently used by |
36 | i386 for fxsave but future proofing other hosts. | |
37 | This is initialized in procfs_attach or nto_start_remote | |
38 | depending on our host/target. It would only be invalid | |
39 | if we were talking to an older pdebug which didn't support | |
40 | the cpuinfo message. */ | |
d737fd7f | 41 | unsigned cpuinfo_flags; |
1b883d35 KW |
42 | |
43 | /* True if successfully retrieved cpuinfo from remote. */ | |
d737fd7f | 44 | int cpuinfo_valid; |
1b883d35 KW |
45 | |
46 | /* Given a register, return an id that represents the Neutrino | |
47 | regset it came from. If reg == -1 update all regsets. */ | |
d737fd7f | 48 | int (*regset_id) (int); |
1b883d35 | 49 | |
468e3d51 | 50 | void (*supply_gregset) (struct regcache *, char *); |
1b883d35 | 51 | |
468e3d51 | 52 | void (*supply_fpregset) (struct regcache *, char *); |
1b883d35 | 53 | |
468e3d51 | 54 | void (*supply_altregset) (struct regcache *, char *); |
1b883d35 KW |
55 | |
56 | /* Given a regset, tell gdb about registers stored in data. */ | |
468e3d51 | 57 | void (*supply_regset) (struct regcache *, int, char *); |
1b883d35 KW |
58 | |
59 | /* Given a register and regset, calculate the offset into the regset | |
60 | and stuff it into the last argument. If regno is -1, calculate the | |
61 | size of the entire regset. Returns length of data, -1 if unknown | |
62 | regset, 0 if unknown register. */ | |
60441ab9 | 63 | int (*register_area) (struct gdbarch *, int, int, unsigned *); |
1b883d35 | 64 | |
0df8b418 | 65 | /* Build the Neutrino register set info into the data buffer. |
1b883d35 | 66 | Return -1 if unknown regset, 0 otherwise. */ |
468e3d51 | 67 | int (*regset_fill) (const struct regcache *, int, char *); |
1b883d35 KW |
68 | |
69 | /* Gives the fetch_link_map_offsets function exposure outside of | |
70 | solib-svr4.c so that we can override relocate_section_addresses(). */ | |
d737fd7f KW |
71 | struct link_map_offsets *(*fetch_link_map_offsets) (void); |
72 | ||
73 | /* Used by nto_elf_osabi_sniffer to determine if we're connected to an | |
74 | Neutrino target. */ | |
75 | enum gdb_osabi (*is_nto_target) (bfd *abfd); | |
76 | }; | |
77 | ||
78 | extern struct nto_target_ops current_nto_target; | |
79 | ||
d737fd7f KW |
80 | #define nto_cpuinfo_flags (current_nto_target.cpuinfo_flags) |
81 | ||
82 | #define nto_cpuinfo_valid (current_nto_target.cpuinfo_valid) | |
83 | ||
84 | #define nto_regset_id (current_nto_target.regset_id) | |
85 | ||
86 | #define nto_supply_gregset (current_nto_target.supply_gregset) | |
87 | ||
88 | #define nto_supply_fpregset (current_nto_target.supply_fpregset) | |
89 | ||
90 | #define nto_supply_altregset (current_nto_target.supply_altregset) | |
91 | ||
92 | #define nto_supply_regset (current_nto_target.supply_regset) | |
93 | ||
94 | #define nto_register_area (current_nto_target.register_area) | |
95 | ||
96 | #define nto_regset_fill (current_nto_target.regset_fill) | |
97 | ||
98 | #define nto_fetch_link_map_offsets \ | |
99 | (current_nto_target.fetch_link_map_offsets) | |
100 | ||
101 | #define nto_is_nto_target (current_nto_target.is_nto_target) | |
1b883d35 KW |
102 | |
103 | /* Keep this consistant with neutrino syspage.h. */ | |
104 | enum | |
105 | { | |
106 | CPUTYPE_X86, | |
107 | CPUTYPE_PPC, | |
108 | CPUTYPE_MIPS, | |
109 | CPUTYPE_SPARE, | |
110 | CPUTYPE_ARM, | |
111 | CPUTYPE_SH, | |
112 | CPUTYPE_UNKNOWN | |
113 | }; | |
114 | ||
115 | enum | |
116 | { | |
117 | OSTYPE_QNX4, | |
118 | OSTYPE_NTO | |
119 | }; | |
120 | ||
0df8b418 | 121 | /* These correspond to the DSMSG_* versions in dsmsgs.h. */ |
1b883d35 KW |
122 | enum |
123 | { | |
124 | NTO_REG_GENERAL, | |
125 | NTO_REG_FLOAT, | |
126 | NTO_REG_SYSTEM, | |
127 | NTO_REG_ALT, | |
128 | NTO_REG_END | |
129 | }; | |
130 | ||
131 | typedef char qnx_reg64[8]; | |
132 | ||
133 | typedef struct _debug_regs | |
134 | { | |
135 | qnx_reg64 padding[1024]; | |
136 | } nto_regset_t; | |
137 | ||
7aabaf9d | 138 | struct nto_thread_info : public private_thread_info |
745a434e | 139 | { |
7aabaf9d SM |
140 | short tid = 0; |
141 | unsigned char state = 0; | |
142 | unsigned char flags = 0; | |
143 | std::string name; | |
745a434e AR |
144 | }; |
145 | ||
7aabaf9d SM |
146 | static inline nto_thread_info * |
147 | get_nto_thread_info (thread_info *thread) | |
148 | { | |
98ed24fb | 149 | return gdb::checked_static_cast<nto_thread_info *> (thread->priv.get ()); |
7aabaf9d SM |
150 | } |
151 | ||
a9889169 AR |
152 | /* Per-inferior data, common for both procfs and remote. */ |
153 | struct nto_inferior_data | |
154 | { | |
155 | /* Last stopped flags result from wait function */ | |
bdb3ed9e | 156 | unsigned int stopped_flags = 0; |
a9889169 AR |
157 | |
158 | /* Last known stopped PC */ | |
bdb3ed9e | 159 | CORE_ADDR stopped_pc = 0; |
a9889169 AR |
160 | }; |
161 | ||
d737fd7f KW |
162 | /* Generic functions in nto-tdep.c. */ |
163 | ||
164 | void nto_init_solib_absolute_prefix (void); | |
165 | ||
14ef7606 AR |
166 | char **nto_parse_redirection (char *start_argv[], const char **in, |
167 | const char **out, const char **err); | |
d737fd7f | 168 | |
3fe0dfd1 | 169 | void nto_relocate_section_addresses (shobj &, target_section *); |
d737fd7f KW |
170 | |
171 | int nto_map_arch_to_cputype (const char *); | |
172 | ||
e0cc99a6 TT |
173 | int nto_find_and_open_solib (const char *, unsigned, |
174 | gdb::unique_xmalloc_ptr<char> *); | |
d737fd7f KW |
175 | |
176 | enum gdb_osabi nto_elf_osabi_sniffer (bfd *abfd); | |
177 | ||
178 | void nto_initialize_signals (void); | |
179 | ||
d737fd7f KW |
180 | /* Dummy function for initializing nto_target_ops on targets which do |
181 | not define a particular regset. */ | |
468e3d51 | 182 | void nto_dummy_supply_regset (struct regcache *regcache, char *regs); |
d737fd7f KW |
183 | |
184 | int nto_in_dynsym_resolve_code (CORE_ADDR pc); | |
185 | ||
7a114964 | 186 | const char *nto_extra_thread_info (struct target_ops *self, struct thread_info *); |
745a434e | 187 | |
30711c89 | 188 | LONGEST nto_read_auxv_from_initial_stack (CORE_ADDR initial_stack, |
8a6c0ccd AR |
189 | gdb_byte *readbuf, |
190 | LONGEST len, size_t sizeof_auxv_t); | |
a9889169 AR |
191 | |
192 | struct nto_inferior_data *nto_inferior_data (struct inferior *inf); | |
193 | ||
1a5c2598 | 194 | #endif /* NTO_TDEP_H */ |