Esempio n. 1
0
static void
arm_macosx_init_abi_v6 (struct gdbarch_info info, struct gdbarch *gdbarch)
{

  /* Set the floating point model to be VFP and also initialize the
     stab register number converter.  */
  (gdbarch_tdep (gdbarch))->fp_model = ARM_FLOAT_VFP;
  set_gdbarch_stab_reg_to_regnum (gdbarch, arm_macosx_stab_reg_to_regnum);

  set_gdbarch_skip_trampoline_code (gdbarch, macosx_skip_trampoline_code);

  set_gdbarch_in_solib_return_trampoline (gdbarch,
                                          macosx_in_solib_return_trampoline);
  set_gdbarch_fetch_pointer_argument (gdbarch, arm_fetch_pointer_argument);

  set_gdbarch_num_regs (gdbarch, ARM_V6_MACOSX_NUM_REGS);
  set_gdbarch_num_pseudo_regs (gdbarch, ARM_MACOSX_NUM_VFP_PSEUDO_REGS);
  set_gdbarch_pseudo_register_read (gdbarch, arm_pseudo_register_read);
  set_gdbarch_pseudo_register_write (gdbarch, arm_pseudo_register_write);
  
  set_gdbarch_dbx_make_msymbol_special (gdbarch, arm_macosx_dbx_make_msymbol_special);
}
Esempio n. 2
0
static struct gdbarch *
sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
  struct gdbarch_tdep *tdep;
  struct gdbarch *gdbarch;

  /* If there is already a candidate, use it.  */
  arches = gdbarch_list_lookup_by_info (arches, &info);
  if (arches != NULL)
    return arches->gdbarch;

  /* Allocate space for the new architecture.  */
  tdep = XMALLOC (struct gdbarch_tdep);
  gdbarch = gdbarch_alloc (&info, tdep);

  tdep->pc_regnum = SPARC32_PC_REGNUM;
  tdep->npc_regnum = SPARC32_NPC_REGNUM;
  tdep->gregset = NULL;
  tdep->sizeof_gregset = 0;
  tdep->fpregset = NULL;
  tdep->sizeof_fpregset = 0;
  tdep->plt_entry_size = 0;
  tdep->step_trap = sparc_step_trap;

  set_gdbarch_long_double_bit (gdbarch, 128);
  set_gdbarch_long_double_format (gdbarch, &floatformat_sparc_quad);

  set_gdbarch_num_regs (gdbarch, SPARC32_NUM_REGS);
  set_gdbarch_register_name (gdbarch, sparc32_register_name);
  set_gdbarch_register_type (gdbarch, sparc32_register_type);
  set_gdbarch_num_pseudo_regs (gdbarch, SPARC32_NUM_PSEUDO_REGS);
  set_gdbarch_pseudo_register_read (gdbarch, sparc32_pseudo_register_read);
  set_gdbarch_pseudo_register_write (gdbarch, sparc32_pseudo_register_write);

  /* Register numbers of various important registers.  */
  set_gdbarch_sp_regnum (gdbarch, SPARC_SP_REGNUM); /* %sp */
  set_gdbarch_pc_regnum (gdbarch, SPARC32_PC_REGNUM); /* %pc */
  set_gdbarch_fp0_regnum (gdbarch, SPARC_F0_REGNUM); /* %f0 */

  /* Call dummy code.  */
  set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
  set_gdbarch_push_dummy_code (gdbarch, sparc32_push_dummy_code);
  set_gdbarch_push_dummy_call (gdbarch, sparc32_push_dummy_call);

  set_gdbarch_return_value (gdbarch, sparc32_return_value);
  set_gdbarch_stabs_argument_has_addr
    (gdbarch, sparc32_stabs_argument_has_addr);

  set_gdbarch_skip_prologue (gdbarch, sparc32_skip_prologue);

  /* Stack grows downward.  */
  set_gdbarch_inner_than (gdbarch, core_addr_lessthan);

  set_gdbarch_breakpoint_from_pc (gdbarch, sparc_breakpoint_from_pc);

  set_gdbarch_frame_args_skip (gdbarch, 8);

  set_gdbarch_print_insn (gdbarch, print_insn_sparc);

  set_gdbarch_software_single_step (gdbarch, sparc_software_single_step);
  set_gdbarch_write_pc (gdbarch, sparc_write_pc);

  set_gdbarch_unwind_dummy_id (gdbarch, sparc_unwind_dummy_id);

  set_gdbarch_unwind_pc (gdbarch, sparc_unwind_pc);

  frame_base_set_default (gdbarch, &sparc32_frame_base);

  /* Hook in the DWARF CFI frame unwinder.  */
  dwarf2_frame_set_init_reg (gdbarch, sparc32_dwarf2_frame_init_reg);
  /* FIXME: kettenis/20050423: Don't enable the unwinder until the
     StackGhost issues have been resolved.  */

  /* Hook in ABI-specific overrides, if they have been registered.  */
  gdbarch_init_osabi (info, gdbarch);

  frame_unwind_append_sniffer (gdbarch, sparc32_frame_sniffer);

  /* If we have register sets, enable the generic core file support.  */
  if (tdep->gregset)
    set_gdbarch_regset_from_core_section (gdbarch,
					  sparc_regset_from_core_section);

  return gdbarch;
}