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authorKris Warkentin <kewarken@qnx.com>2003-05-05 13:57:21 +0000
committerKris Warkentin <kewarken@qnx.com>2003-05-05 13:57:21 +0000
commit1b883d351364d8b9e00021462e06d5dba0d61460 (patch)
tree9ca4ee44cac1d6add99277a098a96b202c37a676 /gdb/nto-tdep.h
parent4bc6e03a51b7b718a385253d4b7e9fb9ab213880 (diff)
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Added i386 QNX Neutrino support.
Diffstat (limited to 'gdb/nto-tdep.h')
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diff --git a/gdb/nto-tdep.h b/gdb/nto-tdep.h
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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 PARAMS ((void));
+
+char **nto_parse_redirection
+PARAMS ((char *start_argv[], char **in, char **out, char **err));
+
+int proc_iterate_over_mappings PARAMS ((int (*func) (int, CORE_ADDR)));
+
+void nto_relocate_section_addresses
+PARAMS ((struct so_list *, struct section_table *));
+
+int nto_map_arch_to_cputype PARAMS ((const char *));
+
+int nto_find_and_open_solib PARAMS ((char *, unsigned, char **));
+
+/* Dummy function for initializing nto_target_ops on targets which do
+ not define a particular regset. */
+void nto_dummy_supply_regset PARAMS ((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