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