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/* 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
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