From 1b883d351364d8b9e00021462e06d5dba0d61460 Mon Sep 17 00:00:00 2001 From: Kris Warkentin Date: Mon, 5 May 2003 13:57:21 +0000 Subject: Added i386 QNX Neutrino support. --- gdb/nto-tdep.h | 157 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 gdb/nto-tdep.h (limited to 'gdb/nto-tdep.h') diff --git a/gdb/nto-tdep.h b/gdb/nto-tdep.h new file mode 100644 index 0000000..ac6f628 --- /dev/null +++ b/gdb/nto-tdep.h @@ -0,0 +1,157 @@ +/* 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 (-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 -- cgit v1.1