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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [nto-tdep.h] - Rev 299
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/* nto-tdep.h - QNX Neutrino target header. Copyright (C) 2003, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>. */ #ifndef _NTO_TDEP_H #define _NTO_TDEP_H #include "solist.h" #include "osabi.h" #include "regset.h" /* Target operations defined for Neutrino targets (<target>-nto-tdep.c). */ struct nto_target_ops { /* For 'maintenance debug nto-debug' command. */ int 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. */ unsigned cpuinfo_flags; /* True if successfully retrieved cpuinfo from remote. */ int cpuinfo_valid; /* Given a register, return an id that represents the Neutrino regset it came from. If reg == -1 update all regsets. */ int (*regset_id) (int); void (*supply_gregset) (struct regcache *, char *); void (*supply_fpregset) (struct regcache *, char *); void (*supply_altregset) (struct regcache *, char *); /* Given a regset, tell gdb about registers stored in data. */ void (*supply_regset) (struct regcache *, int, char *); /* 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. */ int (*register_area) (int, int, unsigned *); /* Build the Neutrino register set info into the data buffer. Return -1 if unknown regset, 0 otherwise. */ int (*regset_fill) (const struct regcache *, int, char *); /* Gives the fetch_link_map_offsets function exposure outside of solib-svr4.c so that we can override relocate_section_addresses(). */ struct link_map_offsets *(*fetch_link_map_offsets) (void); /* Used by nto_elf_osabi_sniffer to determine if we're connected to an Neutrino target. */ enum gdb_osabi (*is_nto_target) (bfd *abfd); }; extern struct nto_target_ops current_nto_target; #define nto_internal_debugging (current_nto_target.internal_debugging) #define nto_cpuinfo_flags (current_nto_target.cpuinfo_flags) #define nto_cpuinfo_valid (current_nto_target.cpuinfo_valid) #define nto_regset_id (current_nto_target.regset_id) #define nto_supply_gregset (current_nto_target.supply_gregset) #define nto_supply_fpregset (current_nto_target.supply_fpregset) #define nto_supply_altregset (current_nto_target.supply_altregset) #define nto_supply_regset (current_nto_target.supply_regset) #define nto_register_area (current_nto_target.register_area) #define nto_regset_fill (current_nto_target.regset_fill) #define nto_fetch_link_map_offsets \ (current_nto_target.fetch_link_map_offsets) #define nto_is_nto_target (current_nto_target.is_nto_target) /* 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; /* Generic functions in nto-tdep.c. */ void nto_init_solib_absolute_prefix (void); void nto_set_target(struct nto_target_ops *); 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 **); enum gdb_osabi nto_elf_osabi_sniffer (bfd *abfd); void nto_initialize_signals (void); void nto_generic_supply_gpregset (const struct regset *, struct regcache *, int, const void *, size_t); void nto_generic_supply_fpregset (const struct regset *, struct regcache *, int, const void *, size_t); void nto_generic_supply_altregset (const struct regset *, struct regcache *, int, const void *, size_t); /* Dummy function for initializing nto_target_ops on targets which do not define a particular regset. */ void nto_dummy_supply_regset (struct regcache *regcache, char *regs); int nto_in_dynsym_resolve_code (CORE_ADDR pc); #endif
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