gdb/nto-tdep.h - gdb

Data types defined

Macros defined

Source code

  1. /* nto-tdep.h - QNX Neutrino target header.

  3.    Copyright (C) 2003-2015 Free Software Foundation, Inc.

  5.    Contributed by QNX Software Systems Ltd.

  7.    This file is part of GDB.

  9.    This program is free software; you can redistribute it and/or modify
  10.    it under the terms of the GNU General Public License as published by
  11.    the Free Software Foundation; either version 3 of the License, or
  12.    (at your option) any later version.

  14.    This program is distributed in the hope that it will be useful,
  15.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17.    GNU General Public License for more details.

  19.    You should have received a copy of the GNU General Public License
  20.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  22. #ifndef _NTO_TDEP_H
  23. ‌#define _NTO_TDEP_H

  25. #include "solist.h"
  26. #include "osabi.h"
  27. #include "regset.h"
  28. #include "gdbthread.h"

  30. /* Target operations defined for Neutrino targets (<target>-nto-tdep.c).  */

  32. ‌struct nto_target_ops
  33. {
  34. /* The CPUINFO flags from the remote.  Currently used by
  35.    i386 for fxsave but future proofing other hosts.
  36.    This is initialized in procfs_attach or nto_start_remote
  37.    depending on our host/target.  It would only be invalid
  38.    if we were talking to an older pdebug which didn't support
  39.    the cpuinfo message.  */
  40.   unsigned cpuinfo_flags;

  42. /* True if successfully retrieved cpuinfo from remote.  */
  43.   int cpuinfo_valid;

  45. /* Given a register, return an id that represents the Neutrino
  46.    regset it came from.  If reg == -1 update all regsets.  */
  47.   int (*regset_id) (int);

  49.   void (*supply_gregset) (struct regcache *, char *);

  51.   void (*supply_fpregset) (struct regcache *, char *);

  53.   void (*supply_altregset) (struct regcache *, char *);

  55. /* Given a regset, tell gdb about registers stored in data.  */
  56.   void (*supply_regset) (struct regcache *, int, char *);

  58. /* Given a register and regset, calculate the offset into the regset
  59.    and stuff it into the last argument.  If regno is -1, calculate the
  60.    size of the entire regset.  Returns length of data, -1 if unknown
  61.    regset, 0 if unknown register.  */
  62.   int (*register_area) (struct gdbarch *, int, int, unsigned *);

  64. /* Build the Neutrino register set info into the data buffer.
  65.    Return -1 if unknown regset, 0 otherwise.  */
  66.   int (*regset_fill) (const struct regcache *, int, char *);

  68. /* Gives the fetch_link_map_offsets function exposure outside of
  69.    solib-svr4.c so that we can override relocate_section_addresses().  */
  70.   struct link_map_offsets *(*fetch_link_map_offsets) (void);

  72. /* Used by nto_elf_osabi_sniffer to determine if we're connected to an
  73.    Neutrino target.  */
  74.   enum gdb_osabi (*is_nto_target) (bfd *abfd);
  75. };

  77. extern struct nto_target_ops current_nto_target;

  79. ‌#define nto_cpuinfo_flags (current_nto_target.cpuinfo_flags)

  81. ‌#define nto_cpuinfo_valid (current_nto_target.cpuinfo_valid)

  83. ‌#define nto_regset_id (current_nto_target.regset_id)

  85. ‌#define nto_supply_gregset (current_nto_target.supply_gregset)

  87. ‌#define nto_supply_fpregset (current_nto_target.supply_fpregset)

  89. ‌#define nto_supply_altregset (current_nto_target.supply_altregset)

  91. ‌#define nto_supply_regset (current_nto_target.supply_regset)

  93. ‌#define nto_register_area (current_nto_target.register_area)

  95. ‌#define nto_regset_fill (current_nto_target.regset_fill)

  97. ‌#define nto_fetch_link_map_offsets \
  98. (current_nto_target.fetch_link_map_offsets)

  100. ‌#define nto_is_nto_target (current_nto_target.is_nto_target)

  102. /* Keep this consistant with neutrino syspage.h.  */
  103. enum
  104. {
  105.   CPUTYPE_X86,
  106.   CPUTYPE_PPC,
  107.   CPUTYPE_MIPS,
  108.   CPUTYPE_SPARE,
  109.   CPUTYPE_ARM,
  110.   CPUTYPE_SH,
  111.   CPUTYPE_UNKNOWN
  112. };

  114. enum
  115. {
  116.   OSTYPE_QNX4,
  117.   OSTYPE_NTO
  118. };

  120. /* These correspond to the DSMSG_* versions in dsmsgs.h.  */
  121. enum
  122. {
  123.   NTO_REG_GENERAL,
  124.   NTO_REG_FLOAT,
  125.   NTO_REG_SYSTEM,
  126.   NTO_REG_ALT,
  127.   NTO_REG_END
  128. };

  130. ‌typedef char qnx_reg64[8];

  132. ‌typedef struct _debug_regs
  133. {
  134.   qnx_reg64 padding[1024];
  135. ‌} nto_regset_t;

  137. ‌struct private_thread_info
  138. {
  139.   short tid;
  140.   unsigned char state;
  141.   unsigned char flags;
  142.   char name[1];
  143. };

  145. /* Generic functions in nto-tdep.c.  */

  147. void nto_init_solib_absolute_prefix (void);

  149. char **nto_parse_redirection (char *start_argv[], const char **in,
  150.                               const char **out, const char **err);

  152. void nto_relocate_section_addresses (struct so_list *,
  153.                                      struct target_section *);

  155. int nto_map_arch_to_cputype (const char *);

  157. int nto_find_and_open_solib (char *, unsigned, char **);

  159. enum gdb_osabi nto_elf_osabi_sniffer (bfd *abfd);

  161. void nto_initialize_signals (void);

  163. /* Dummy function for initializing nto_target_ops on targets which do
  164.    not define a particular regset.  */
  165. void nto_dummy_supply_regset (struct regcache *regcache, char *regs);

  167. int nto_in_dynsym_resolve_code (CORE_ADDR pc);

  169. char *nto_extra_thread_info (struct target_ops *self, struct thread_info *);

  171. #endif