C++ (Cpp) gdbarch_iterate_over_regset_sections_p Examples

Example #1

File: corelow.c Project: ibuclaw/gdb

static struct core_fns *
sniff_core_bfd (bfd *abfd)
{
  struct core_fns *cf;
  struct core_fns *yummy = NULL;
  int matches = 0;;

  /* Don't sniff if we have support for register sets in
     CORE_GDBARCH.  */
  if (core_gdbarch && gdbarch_iterate_over_regset_sections_p (core_gdbarch))
    return NULL;

  for (cf = core_file_fns; cf != NULL; cf = cf->next)
    {
      if (cf->core_sniffer (cf, abfd))
	{
	  yummy = cf;
	  matches++;
	}
    }
  if (matches > 1)
    {
      warning (_("\"%s\": ambiguous core format, %d handlers match"),
	       bfd_get_filename (abfd), matches);
    }
  else if (matches == 0)
    error (_("\"%s\": no core file handler recognizes format"),
	   bfd_get_filename (abfd));

  return (yummy);
}

Example #2

File: corelow.c Project: T-J-Teru/binutils-gdb

void
core_target::fetch_registers (struct regcache *regcache, int regno)
{
  int i;
  struct gdbarch *gdbarch;

  if (!(m_core_gdbarch != nullptr
	&& gdbarch_iterate_over_regset_sections_p (m_core_gdbarch))
      && (m_core_vec == NULL || m_core_vec->core_read_registers == NULL))
    {
      fprintf_filtered (gdb_stderr,
		     "Can't fetch registers from this type of core file\n");
      return;
    }

  gdbarch = regcache->arch ();
  if (gdbarch_iterate_over_regset_sections_p (gdbarch))
    {
      get_core_registers_cb_data data = { this, regcache };
      gdbarch_iterate_over_regset_sections (gdbarch,
					    get_core_registers_cb,
					    (void *) &data, NULL);
    }
  else
    {
      get_core_register_section (regcache, NULL,
				 ".reg", 0, 0, "general-purpose", 1);
      get_core_register_section (regcache, NULL,
				 ".reg2", 0, 2, "floating-point", 0);
    }

  /* Mark all registers not found in the core as unavailable.  */
  for (i = 0; i < gdbarch_num_regs (regcache->arch ()); i++)
    if (regcache->get_register_status (i) == REG_UNKNOWN)
      regcache->raw_supply (i, NULL);
}

Example #3

File: fbsd-tdep.c Project: ajinkya93/netbsd-src

static char *
fbsd_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size)
{
  struct regcache *regcache = get_current_regcache ();
  char *note_data;
  Elf_Internal_Ehdr *i_ehdrp;
  struct fbsd_collect_regset_section_cb_data data;

  /* Put a "FreeBSD" label in the ELF header.  */
  i_ehdrp = elf_elfheader (obfd);
  i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_FREEBSD;

  gdb_assert (gdbarch_iterate_over_regset_sections_p (gdbarch));

  data.regcache = regcache;
  data.obfd = obfd;
  data.note_data = NULL;
  data.note_size = note_size;
  target_fetch_registers (regcache, -1);
  gdbarch_iterate_over_regset_sections (gdbarch,
					fbsd_collect_regset_section_cb,
					&data, regcache);
  note_data = data.note_data;

  if (get_exec_file (0))
    {
      const char *fname = lbasename (get_exec_file (0));
      char *psargs = xstrdup (fname);

      if (get_inferior_args ())
	psargs = reconcat (psargs, psargs, " ", get_inferior_args (),
			   (char *) NULL);

      note_data = elfcore_write_prpsinfo (obfd, note_data, note_size,
					  fname, psargs);
    }

  return note_data;
}