| 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 | |
| 32 | extern void nto_init_solib_absolute_prefix (void); |
| 33 | |
| 34 | char **nto_parse_redirection (char *start_argv[], char **in, |
| 35 | char **out, char **err); |
| 36 | |
| 37 | int proc_iterate_over_mappings (int (*func) (int, CORE_ADDR)); |
| 38 | |
| 39 | void nto_relocate_section_addresses (struct so_list *, struct section_table *); |
| 40 | |
| 41 | int nto_map_arch_to_cputype (const char *); |
| 42 | |
| 43 | int nto_find_and_open_solib (char *, unsigned, char **); |
| 44 | |
| 45 | /* Dummy function for initializing nto_target_ops on targets which do |
| 46 | not define a particular regset. */ |
| 47 | void nto_dummy_supply_regset (char *regs); |
| 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 |