| /* nto-tdep.h - QNX Neutrino target header. |
| |
| Copyright 2003 Free Software Foundation, Inc. |
| |
| Contributed by QNX Software Systems Ltd. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef _NTO_TDEP_H |
| #define _NTO_TDEP_H |
| |
| #include "defs.h" |
| #include "solist.h" |
| |
| /* Generic functions in nto-tdep.c. */ |
| |
| extern void nto_init_solib_absolute_prefix (void); |
| |
| char **nto_parse_redirection (char *start_argv[], char **in, |
| char **out, char **err); |
| |
| int proc_iterate_over_mappings (int (*func) (int, CORE_ADDR)); |
| |
| void nto_relocate_section_addresses (struct so_list *, struct section_table *); |
| |
| int nto_map_arch_to_cputype (const char *); |
| |
| int nto_find_and_open_solib (char *, unsigned, char **); |
| |
| /* Dummy function for initializing nto_target_ops on targets which do |
| not define a particular regset. */ |
| void nto_dummy_supply_regset (char *regs); |
| |
| /* Target operations defined for Neutrino targets (<target>-nto-tdep.c). */ |
| |
| struct nto_target_ops |
| { |
| int nto_internal_debugging; |
| unsigned nto_cpuinfo_flags; |
| int nto_cpuinfo_valid; |
| |
| int (*nto_regset_id) (int); |
| void (*nto_supply_gregset) (char *); |
| void (*nto_supply_fpregset) (char *); |
| void (*nto_supply_altregset) (char *); |
| void (*nto_supply_regset) (int, char *); |
| int (*nto_register_area) (int, int, unsigned *); |
| int (*nto_regset_fill) (int, char *); |
| struct link_map_offsets *(*nto_fetch_link_map_offsets) (void); |
| }; |
| |
| extern struct nto_target_ops current_nto_target; |
| |
| /* For 'maintenance debug nto-debug' command. */ |
| #define nto_internal_debugging \ |
| (current_nto_target.nto_internal_debugging) |
| |
| /* The CPUINFO flags from the remote. Currently used by |
| i386 for fxsave but future proofing other hosts. |
| This is initialized in procfs_attach or nto_start_remote |
| depending on our host/target. It would only be invalid |
| if we were talking to an older pdebug which didn't support |
| the cpuinfo message. */ |
| #define nto_cpuinfo_flags \ |
| (current_nto_target.nto_cpuinfo_flags) |
| |
| /* True if successfully retrieved cpuinfo from remote. */ |
| #define nto_cpuinfo_valid \ |
| (current_nto_target.nto_cpuinfo_valid) |
| |
| /* Given a register, return an id that represents the Neutrino |
| regset it came from. If reg == -1 update all regsets. */ |
| #define nto_regset_id(reg) \ |
| (*current_nto_target.nto_regset_id) (reg) |
| |
| #define nto_supply_gregset(regs) \ |
| (*current_nto_target.nto_supply_gregset) (regs) |
| |
| #define nto_supply_fpregset(regs) \ |
| (*current_nto_target.nto_supply_fpregset) (regs) |
| |
| #define nto_supply_altregset(regs) \ |
| (*current_nto_target.nto_supply_altregset) (regs) |
| |
| /* Given a regset, tell gdb about registers stored in data. */ |
| #define nto_supply_regset(regset, data) \ |
| (*current_nto_target.nto_supply_regset) (regset, data) |
| |
| /* Given a register and regset, calculate the offset into the regset |
| and stuff it into the last argument. If regno is -1, calculate the |
| size of the entire regset. Returns length of data, -1 if unknown |
| regset, 0 if unknown register. */ |
| #define nto_register_area(reg, regset, off) \ |
| (*current_nto_target.nto_register_area) (reg, regset, off) |
| |
| /* Build the Neutrino register set info into the data buffer. |
| Return -1 if unknown regset, 0 otherwise. */ |
| #define nto_regset_fill(regset, data) \ |
| (*current_nto_target.nto_regset_fill) (regset, data) |
| |
| /* Gives the fetch_link_map_offsets function exposure outside of |
| solib-svr4.c so that we can override relocate_section_addresses(). */ |
| #define nto_fetch_link_map_offsets() \ |
| (*current_nto_target.nto_fetch_link_map_offsets) () |
| |
| /* Keep this consistant with neutrino syspage.h. */ |
| enum |
| { |
| CPUTYPE_X86, |
| CPUTYPE_PPC, |
| CPUTYPE_MIPS, |
| CPUTYPE_SPARE, |
| CPUTYPE_ARM, |
| CPUTYPE_SH, |
| CPUTYPE_UNKNOWN |
| }; |
| |
| enum |
| { |
| OSTYPE_QNX4, |
| OSTYPE_NTO |
| }; |
| |
| /* These correspond to the DSMSG_* versions in dsmsgs.h. */ |
| enum |
| { |
| NTO_REG_GENERAL, |
| NTO_REG_FLOAT, |
| NTO_REG_SYSTEM, |
| NTO_REG_ALT, |
| NTO_REG_END |
| }; |
| |
| typedef char qnx_reg64[8]; |
| |
| typedef struct _debug_regs |
| { |
| qnx_reg64 padding[1024]; |
| } nto_regset_t; |
| |
| #endif |