static void
i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* GNU/Linux uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* We support the SSE registers on GNU/Linux.  */
  tdep->num_xmm_regs = I386_NUM_XREGS - 1;
  /* set_gdbarch_num_regs (gdbarch, I386_SSE_NUM_REGS); */

  /* Since we have the extra "orig_eax" register on GNU/Linux, we have
     to adjust a few things.  */

  set_gdbarch_write_pc (gdbarch, i386_linux_write_pc);
  set_gdbarch_num_regs (gdbarch, I386_SSE_NUM_REGS + 1);
  set_gdbarch_register_name (gdbarch, i386_linux_register_name);
  set_gdbarch_register_bytes (gdbarch, I386_SSE_SIZEOF_REGS + 4);

  tdep->jb_pc_offset = 20;	/* From <bits/setjmp.h>.  */

  tdep->sigcontext_addr = i386_linux_sigcontext_addr;
  tdep->sc_pc_offset = 14 * 4;	/* From <asm/sigcontext.h>.  */
  tdep->sc_sp_offset = 7 * 4;

  /* When the i386 Linux kernel calls a signal handler, the return
     address points to a bit of code on the stack.  This function is
     used to identify this bit of code as a signal trampoline in order
     to support backtracing through calls to signal handlers.  */
  set_gdbarch_pc_in_sigtramp (gdbarch, i386_linux_pc_in_sigtramp);

  set_solib_svr4_fetch_link_map_offsets (gdbarch,
				       i386_linux_svr4_fetch_link_map_offsets);
}
Example #2
0
static void
ia64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  linux_init_abi (info, gdbarch);

  /* Set the method of obtaining the sigcontext addresses at which
     registers are saved.  */
  tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;

  /* Set the pc_in_sigtramp method.  */
  tdep->pc_in_sigtramp = ia64_linux_pc_in_sigtramp;

  set_gdbarch_write_pc (gdbarch, ia64_linux_write_pc);

  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);

  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_lp64_fetch_link_map_offsets);

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);
}
static void
amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
  tdep->sizeof_gregset = 27 * 8;

  amd64_init_abi (info, gdbarch);

  tdep->sigtramp_p = amd64_linux_sigtramp_p;
  tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
  tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
  tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);

  /* GNU/Linux uses SVR4-style shared libraries.  */
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_lp64_fetch_link_map_offsets);

  /* Add the %orig_rax register used for syscall restarting.  */
  set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
  set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
  set_gdbarch_register_name (gdbarch, amd64_linux_register_name);
  set_gdbarch_register_type (gdbarch, amd64_linux_register_type);
  set_gdbarch_register_reggroup_p (gdbarch, amd64_linux_register_reggroup_p);

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);
}
Example #4
0
File: m88k-tdep.c Project: 5kg/gdb
static struct gdbarch *
m88k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
  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.  */
  gdbarch = gdbarch_alloc (&info, NULL);

  /* There is no real `long double'.  */
  set_gdbarch_long_double_bit (gdbarch, 64);
  set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);

  set_gdbarch_num_regs (gdbarch, M88K_NUM_REGS);
  set_gdbarch_register_name (gdbarch, m88k_register_name);
  set_gdbarch_register_type (gdbarch, m88k_register_type);

  /* Register numbers of various important registers.  */
  set_gdbarch_sp_regnum (gdbarch, M88K_R31_REGNUM);
  set_gdbarch_pc_regnum (gdbarch, M88K_SXIP_REGNUM);

  /* Core file support.  */
  set_gdbarch_regset_from_core_section
    (gdbarch, m88k_regset_from_core_section);

  set_gdbarch_print_insn (gdbarch, print_insn_m88k);

  set_gdbarch_skip_prologue (gdbarch, m88k_skip_prologue);

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

  /* Call dummy code.  */
  set_gdbarch_push_dummy_call (gdbarch, m88k_push_dummy_call);
  set_gdbarch_dummy_id (gdbarch, m88k_dummy_id);

  /* Return value info.  */
  set_gdbarch_return_value (gdbarch, m88k_return_value);

  set_gdbarch_addr_bits_remove (gdbarch, m88k_addr_bits_remove);
  set_gdbarch_breakpoint_from_pc (gdbarch, m88k_breakpoint_from_pc);
  set_gdbarch_unwind_pc (gdbarch, m88k_unwind_pc);
  set_gdbarch_write_pc (gdbarch, m88k_write_pc);

  frame_base_set_default (gdbarch, &m88k_frame_base);
  frame_unwind_append_unwinder (gdbarch, &m88k_frame_unwind);

  return gdbarch;
}
static struct gdbarch *
moxie_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
  struct gdbarch *gdbarch;
  struct gdbarch_tdep *tdep;

  /* 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);

  set_gdbarch_read_pc (gdbarch, moxie_read_pc);
  set_gdbarch_write_pc (gdbarch, moxie_write_pc);
  set_gdbarch_unwind_sp (gdbarch, moxie_unwind_sp);

  set_gdbarch_num_regs (gdbarch, MOXIE_NUM_REGS);
  set_gdbarch_sp_regnum (gdbarch, MOXIE_SP_REGNUM);
  set_gdbarch_register_name (gdbarch, moxie_register_name);
  set_gdbarch_register_type (gdbarch, moxie_register_type);

  set_gdbarch_return_value (gdbarch, moxie_return_value);

  set_gdbarch_skip_prologue (gdbarch, moxie_skip_prologue);
  set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
  set_gdbarch_breakpoint_from_pc (gdbarch, moxie_breakpoint_from_pc);
  set_gdbarch_frame_align (gdbarch, moxie_frame_align);

  frame_base_set_default (gdbarch, &moxie_frame_base);

  /* Methods for saving / extracting a dummy frame's ID.  The ID's
     stack address must match the SP value returned by
     PUSH_DUMMY_CALL, and saved by generic_save_dummy_frame_tos.  */
  set_gdbarch_dummy_id (gdbarch, moxie_dummy_id);

  set_gdbarch_unwind_pc (gdbarch, moxie_unwind_pc);

  set_gdbarch_print_insn (gdbarch, print_insn_moxie);

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

  /* Hook in the default unwinders.  */
  frame_unwind_append_unwinder (gdbarch, &moxie_frame_unwind);

  /* Support simple overlay manager.  */
  set_gdbarch_overlay_update (gdbarch, simple_overlay_update);

  return gdbarch;
}
Example #6
0
static void
sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  linux_init_abi (info, gdbarch);

  tdep->gregset = &sparc64_linux_gregset;
  tdep->sizeof_gregset = 288;

  tdep->fpregset = &sparc64_linux_fpregset;
  tdep->sizeof_fpregset = 280;

  tramp_frame_prepend_unwinder (gdbarch, &sparc64_linux_rt_sigframe);

  /* Hook in the DWARF CFI frame unwinder.  */
  dwarf2_append_unwinders (gdbarch);

  sparc64_init_abi (info, gdbarch);

  /* GNU/Linux has SVR4-style shared libraries...  */
  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_lp64_fetch_link_map_offsets);

  /* ...which means that we need some special handling when doing
     prologue analysis.  */
  tdep->plt_entry_size = 16;

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);

  /* Make sure we can single-step over signal return system calls.  */
  tdep->step_trap = sparc64_linux_step_trap;

  /* Make sure we can single-step over longjmp calls.  */
  set_gdbarch_get_longjmp_target (gdbarch, sparc64_linux_get_longjmp_target);

  set_gdbarch_write_pc (gdbarch, sparc64_linux_write_pc);

  /* Functions for 'catch syscall'.  */
  set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_SPARC64);
  set_gdbarch_get_syscall_number (gdbarch,
                                  sparc64_linux_get_syscall_number);
  set_gdbarch_handle_segmentation_fault (gdbarch,
					 sparc64_linux_handle_segmentation_fault);
}
Example #7
0
static void
ia64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  static const char *const stap_register_prefixes[] = { "r", NULL };
  static const char *const stap_register_indirection_prefixes[] = { "[",
								    NULL };
  static const char *const stap_register_indirection_suffixes[] = { "]",
								    NULL };

  linux_init_abi (info, gdbarch);

  /* Set the method of obtaining the sigcontext addresses at which
     registers are saved.  */
  tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;

  /* Set the pc_in_sigtramp method.  */
  tdep->pc_in_sigtramp = ia64_linux_pc_in_sigtramp;

  set_gdbarch_write_pc (gdbarch, ia64_linux_write_pc);

  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);

  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_lp64_fetch_link_map_offsets);

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);

  /* Core file support. */
  set_gdbarch_iterate_over_regset_sections
    (gdbarch, ia64_linux_iterate_over_regset_sections);

  /* SystemTap related.  */
  set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
  set_gdbarch_stap_register_indirection_prefixes (gdbarch,
					  stap_register_indirection_prefixes);
  set_gdbarch_stap_register_indirection_suffixes (gdbarch,
					    stap_register_indirection_suffixes);
  set_gdbarch_stap_gdb_register_prefix (gdbarch, "r");
  set_gdbarch_stap_is_single_operand (gdbarch,
				      ia64_linux_stap_is_single_operand);
}
static void
sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  tdep->gregset = regset_alloc (gdbarch, sparc64_linux_supply_core_gregset,
				sparc64_linux_collect_core_gregset);
  tdep->sizeof_gregset = 288;

  tdep->fpregset = regset_alloc (gdbarch, sparc64_linux_supply_core_fpregset,
				 sparc64_linux_collect_core_fpregset);
  tdep->sizeof_fpregset = 280;

  tramp_frame_prepend_unwinder (gdbarch, &sparc64_linux_rt_sigframe);

  /* Hook in the DWARF CFI frame unwinder.  */
  dwarf2_append_unwinders (gdbarch);

  sparc64_init_abi (info, gdbarch);

  /* GNU/Linux has SVR4-style shared libraries...  */
  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_lp64_fetch_link_map_offsets);

  /* ...which means that we need some special handling when doing
     prologue analysis.  */
  tdep->plt_entry_size = 16;

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);

  /* Make sure we can single-step over signal return system calls.  */
  tdep->step_trap = sparc64_linux_step_trap;

  set_gdbarch_write_pc (gdbarch, sparc64_linux_write_pc);
}
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;
}
Example #10
0
static void
i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  const struct target_desc *tdesc = info.target_desc;
  struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info;
  const struct tdesc_feature *feature;
  int valid_p;

  gdb_assert (tdesc_data);

  linux_init_abi (info, gdbarch);

  /* GNU/Linux uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* Reserve a number for orig_eax.  */
  set_gdbarch_num_regs (gdbarch, I386_LINUX_NUM_REGS);

  if (! tdesc_has_registers (tdesc))
    tdesc = tdesc_i386_linux;
  tdep->tdesc = tdesc;

  feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
  if (feature == NULL)
    return;

  valid_p = tdesc_numbered_register (feature, tdesc_data,
				     I386_LINUX_ORIG_EAX_REGNUM,
				     "orig_eax");
  if (!valid_p)
    return;

  /* Add the %orig_eax register used for syscall restarting.  */
  set_gdbarch_write_pc (gdbarch, i386_linux_write_pc);

  tdep->register_reggroup_p = i386_linux_register_reggroup_p;

  tdep->gregset_reg_offset = i386_linux_gregset_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (i386_linux_gregset_reg_offset);
  tdep->sizeof_gregset = 17 * 4;

  tdep->jb_pc_offset = 20;	/* From <bits/setjmp.h>.  */

  tdep->sigtramp_p = i386_linux_sigtramp_p;
  tdep->sigcontext_addr = i386_linux_sigcontext_addr;
  tdep->sc_reg_offset = i386_linux_sc_reg_offset;
  tdep->sc_num_regs = ARRAY_SIZE (i386_linux_sc_reg_offset);

  tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;

  set_gdbarch_process_record (gdbarch, i386_process_record);
  set_gdbarch_process_record_signal (gdbarch, i386_linux_record_signal);

  /* Initialize the i386_linux_record_tdep.  */
  /* These values are the size of the type that will be used in a system
     call.  They are obtained from Linux Kernel source.  */
  i386_linux_record_tdep.size_pointer
    = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size__old_kernel_stat = 32;
  i386_linux_record_tdep.size_tms = 16;
  i386_linux_record_tdep.size_loff_t = 8;
  i386_linux_record_tdep.size_flock = 16;
  i386_linux_record_tdep.size_oldold_utsname = 45;
  i386_linux_record_tdep.size_ustat = 20;
  i386_linux_record_tdep.size_old_sigaction = 140;
  i386_linux_record_tdep.size_old_sigset_t = 128;
  i386_linux_record_tdep.size_rlimit = 8;
  i386_linux_record_tdep.size_rusage = 72;
  i386_linux_record_tdep.size_timeval = 8;
  i386_linux_record_tdep.size_timezone = 8;
  i386_linux_record_tdep.size_old_gid_t = 2;
  i386_linux_record_tdep.size_old_uid_t = 2;
  i386_linux_record_tdep.size_fd_set = 128;
  i386_linux_record_tdep.size_dirent = 268;
  i386_linux_record_tdep.size_dirent64 = 276;
  i386_linux_record_tdep.size_statfs = 64;
  i386_linux_record_tdep.size_statfs64 = 84;
  i386_linux_record_tdep.size_sockaddr = 16;
  i386_linux_record_tdep.size_int
    = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size_long
    = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size_ulong
    = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size_msghdr = 28;
  i386_linux_record_tdep.size_itimerval = 16;
  i386_linux_record_tdep.size_stat = 88;
  i386_linux_record_tdep.size_old_utsname = 325;
  i386_linux_record_tdep.size_sysinfo = 64;
  i386_linux_record_tdep.size_msqid_ds = 88;
  i386_linux_record_tdep.size_shmid_ds = 84;
  i386_linux_record_tdep.size_new_utsname = 390;
  i386_linux_record_tdep.size_timex = 128;
  i386_linux_record_tdep.size_mem_dqinfo = 24;
  i386_linux_record_tdep.size_if_dqblk = 68;
  i386_linux_record_tdep.size_fs_quota_stat = 68;
  i386_linux_record_tdep.size_timespec = 8;
  i386_linux_record_tdep.size_pollfd = 8;
  i386_linux_record_tdep.size_NFS_FHSIZE = 32;
  i386_linux_record_tdep.size_knfsd_fh = 132;
  i386_linux_record_tdep.size_TASK_COMM_LEN = 16;
  i386_linux_record_tdep.size_sigaction = 140;
  i386_linux_record_tdep.size_sigset_t = 8;
  i386_linux_record_tdep.size_siginfo_t = 128;
  i386_linux_record_tdep.size_cap_user_data_t = 12;
  i386_linux_record_tdep.size_stack_t = 12;
  i386_linux_record_tdep.size_off_t = i386_linux_record_tdep.size_long;
  i386_linux_record_tdep.size_stat64 = 96;
  i386_linux_record_tdep.size_gid_t = 2;
  i386_linux_record_tdep.size_uid_t = 2;
  i386_linux_record_tdep.size_PAGE_SIZE = 4096;
  i386_linux_record_tdep.size_flock64 = 24;
  i386_linux_record_tdep.size_user_desc = 16;
  i386_linux_record_tdep.size_io_event = 32;
  i386_linux_record_tdep.size_iocb = 64;
  i386_linux_record_tdep.size_epoll_event = 12;
  i386_linux_record_tdep.size_itimerspec
    = i386_linux_record_tdep.size_timespec * 2;
  i386_linux_record_tdep.size_mq_attr = 32;
  i386_linux_record_tdep.size_siginfo = 128;
  i386_linux_record_tdep.size_termios = 36;
  i386_linux_record_tdep.size_termios2 = 44;
  i386_linux_record_tdep.size_pid_t = 4;
  i386_linux_record_tdep.size_winsize = 8;
  i386_linux_record_tdep.size_serial_struct = 60;
  i386_linux_record_tdep.size_serial_icounter_struct = 80;
  i386_linux_record_tdep.size_hayes_esp_config = 12;
  i386_linux_record_tdep.size_size_t = 4;
  i386_linux_record_tdep.size_iovec = 8;

  /* These values are the second argument of system call "sys_ioctl".
     They are obtained from Linux Kernel source.  */
  i386_linux_record_tdep.ioctl_TCGETS = 0x5401;
  i386_linux_record_tdep.ioctl_TCSETS = 0x5402;
  i386_linux_record_tdep.ioctl_TCSETSW = 0x5403;
  i386_linux_record_tdep.ioctl_TCSETSF = 0x5404;
  i386_linux_record_tdep.ioctl_TCGETA = 0x5405;
  i386_linux_record_tdep.ioctl_TCSETA = 0x5406;
  i386_linux_record_tdep.ioctl_TCSETAW = 0x5407;
  i386_linux_record_tdep.ioctl_TCSETAF = 0x5408;
  i386_linux_record_tdep.ioctl_TCSBRK = 0x5409;
  i386_linux_record_tdep.ioctl_TCXONC = 0x540A;
  i386_linux_record_tdep.ioctl_TCFLSH = 0x540B;
  i386_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
  i386_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
  i386_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
  i386_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
  i386_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
  i386_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
  i386_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
  i386_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
  i386_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
  i386_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
  i386_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
  i386_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
  i386_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
  i386_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
  i386_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
  i386_linux_record_tdep.ioctl_FIONREAD = 0x541B;
  i386_linux_record_tdep.ioctl_TIOCINQ = i386_linux_record_tdep.ioctl_FIONREAD;
  i386_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
  i386_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
  i386_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
  i386_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
  i386_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
  i386_linux_record_tdep.ioctl_FIONBIO = 0x5421;
  i386_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
  i386_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
  i386_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
  i386_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
  i386_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
  i386_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
  i386_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
  i386_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
  i386_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
  i386_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
  i386_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
  i386_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
  i386_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
  i386_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
  i386_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
  i386_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
  i386_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
  i386_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
  i386_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
  i386_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
  i386_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
  i386_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
  i386_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
  i386_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
  i386_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
  i386_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
  i386_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
  i386_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
  i386_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
  i386_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
  i386_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;

  /* These values are the second argument of system call "sys_fcntl"
     and "sys_fcntl64".  They are obtained from Linux Kernel source.  */
  i386_linux_record_tdep.fcntl_F_GETLK = 5;
  i386_linux_record_tdep.fcntl_F_GETLK64 = 12;
  i386_linux_record_tdep.fcntl_F_SETLK64 = 13;
  i386_linux_record_tdep.fcntl_F_SETLKW64 = 14;

  i386_linux_record_tdep.arg1 = I386_EBX_REGNUM;
  i386_linux_record_tdep.arg2 = I386_ECX_REGNUM;
  i386_linux_record_tdep.arg3 = I386_EDX_REGNUM;
  i386_linux_record_tdep.arg4 = I386_ESI_REGNUM;
  i386_linux_record_tdep.arg5 = I386_EDI_REGNUM;
  i386_linux_record_tdep.arg6 = I386_EBP_REGNUM;

  tdep->i386_intx80_record = i386_linux_intx80_sysenter_syscall_record;
  tdep->i386_sysenter_record = i386_linux_intx80_sysenter_syscall_record;
  tdep->i386_syscall_record = i386_linux_intx80_sysenter_syscall_record;

  /* N_FUN symbols in shared libaries have 0 for their values and need
     to be relocated.  */
  set_gdbarch_sofun_address_maybe_missing (gdbarch, 1);

  /* GNU/Linux uses SVR4-style shared libraries.  */
  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);

  /* GNU/Linux uses the dynamic linker included in the GNU C Library.  */
  set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);

  dwarf2_frame_set_signal_frame_p (gdbarch, i386_linux_dwarf_signal_frame_p);

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);

  /* Install supported register note sections.  */
  if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx"))
    set_gdbarch_core_regset_sections (gdbarch, i386_linux_avx_regset_sections);
  else if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.sse"))
    set_gdbarch_core_regset_sections (gdbarch, i386_linux_sse_regset_sections);
  else
    set_gdbarch_core_regset_sections (gdbarch, i386_linux_regset_sections);

  set_gdbarch_core_read_description (gdbarch,
				     i386_linux_core_read_description);

  /* Displaced stepping.  */
  set_gdbarch_displaced_step_copy_insn (gdbarch,
                                        i386_linux_displaced_step_copy_insn);
  set_gdbarch_displaced_step_fixup (gdbarch, i386_displaced_step_fixup);
  set_gdbarch_displaced_step_free_closure (gdbarch,
                                           simple_displaced_step_free_closure);
  set_gdbarch_displaced_step_location (gdbarch,
                                       displaced_step_at_entry_point);

  /* Functions for 'catch syscall'.  */
  set_xml_syscall_file_name (XML_SYSCALL_FILENAME_I386);
  set_gdbarch_get_syscall_number (gdbarch,
                                  i386_linux_get_syscall_number);

  set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
}
static void
mips_linux_init_abi (struct gdbarch_info info,
		     struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  enum mips_abi abi = mips_abi (gdbarch);
  struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info;

  linux_init_abi (info, gdbarch);

  switch (abi)
    {
      case MIPS_ABI_O32:
	set_gdbarch_get_longjmp_target (gdbarch,
	                                mips_linux_get_longjmp_target);
	set_solib_svr4_fetch_link_map_offsets
	  (gdbarch, svr4_ilp32_fetch_link_map_offsets);
	tramp_frame_prepend_unwinder (gdbarch, &mips_linux_o32_sigframe);
	tramp_frame_prepend_unwinder (gdbarch, &mips_linux_o32_rt_sigframe);
	break;
      case MIPS_ABI_N32:
	set_gdbarch_get_longjmp_target (gdbarch,
	                                mips_linux_get_longjmp_target);
	set_solib_svr4_fetch_link_map_offsets
	  (gdbarch, svr4_ilp32_fetch_link_map_offsets);
	set_gdbarch_long_double_bit (gdbarch, 128);
	/* These floatformats should probably be renamed.  MIPS uses
	   the same 128-bit IEEE floating point format that IA-64 uses,
	   except that the quiet/signalling NaN bit is reversed (GDB
	   does not distinguish between quiet and signalling NaNs).  */
	set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
	tramp_frame_prepend_unwinder (gdbarch, &mips_linux_n32_rt_sigframe);
	break;
      case MIPS_ABI_N64:
	set_gdbarch_get_longjmp_target (gdbarch,
	                                mips64_linux_get_longjmp_target);
	set_solib_svr4_fetch_link_map_offsets
	  (gdbarch, svr4_lp64_fetch_link_map_offsets);
	set_gdbarch_long_double_bit (gdbarch, 128);
	/* These floatformats should probably be renamed.  MIPS uses
	   the same 128-bit IEEE floating point format that IA-64 uses,
	   except that the quiet/signalling NaN bit is reversed (GDB
	   does not distinguish between quiet and signalling NaNs).  */
	set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
	tramp_frame_prepend_unwinder (gdbarch, &mips_linux_n64_rt_sigframe);
	break;
      default:
	break;
    }

  set_gdbarch_skip_solib_resolver (gdbarch, mips_linux_skip_resolver);

  set_gdbarch_software_single_step (gdbarch, mips_software_single_step);

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);

  /* Initialize this lazily, to avoid an initialization order
     dependency on solib-svr4.c's _initialize routine.  */
  if (mips_svr4_so_ops.in_dynsym_resolve_code == NULL)
    {
      mips_svr4_so_ops = svr4_so_ops;
      mips_svr4_so_ops.in_dynsym_resolve_code
	= mips_linux_in_dynsym_resolve_code;
    }
  set_solib_ops (gdbarch, &mips_svr4_so_ops);

  set_gdbarch_write_pc (gdbarch, mips_linux_write_pc);

  set_gdbarch_core_read_description (gdbarch,
				     mips_linux_core_read_description);

  set_gdbarch_regset_from_core_section (gdbarch,
					mips_linux_regset_from_core_section);

  tdep->syscall_next_pc = mips_linux_syscall_next_pc;

  if (tdesc_data)
    {
      const struct tdesc_feature *feature;

      /* If we have target-described registers, then we can safely
	 reserve a number for MIPS_RESTART_REGNUM (whether it is
	 described or not).  */
      gdb_assert (gdbarch_num_regs (gdbarch) <= MIPS_RESTART_REGNUM);
      set_gdbarch_num_regs (gdbarch, MIPS_RESTART_REGNUM + 1);
      set_gdbarch_num_pseudo_regs (gdbarch, MIPS_RESTART_REGNUM + 1);

      /* If it's present, then assign it to the reserved number.  */
      feature = tdesc_find_feature (info.target_desc,
				    "org.gnu.gdb.mips.linux");
      if (feature != NULL)
	tdesc_numbered_register (feature, tdesc_data, MIPS_RESTART_REGNUM,
				 "restart");
    }
}
Example #12
0
static struct gdbarch *
mn10300_gdbarch_init (struct gdbarch_info info,
		      struct gdbarch_list *arches)
{
  struct gdbarch *gdbarch;
  struct gdbarch_tdep *tdep;

  arches = gdbarch_list_lookup_by_info (arches, &info);
  if (arches != NULL)
    return arches->gdbarch;

  tdep = xmalloc (sizeof (struct gdbarch_tdep));
  gdbarch = gdbarch_alloc (&info, tdep);

  switch (info.bfd_arch_info->mach)
    {
    case 0:
    case bfd_mach_mn10300:
      set_gdbarch_register_name (gdbarch, mn10300_generic_register_name);
      tdep->am33_mode = 0;
      break;
    case bfd_mach_am33:
      set_gdbarch_register_name (gdbarch, am33_register_name);
      tdep->am33_mode = 1;
      break;
    default:
      internal_error (__FILE__, __LINE__,
		      _("mn10300_gdbarch_init: Unknown mn10300 variant"));
      break;
    }

  /* Registers.  */
  set_gdbarch_num_regs (gdbarch, E_NUM_REGS);
  set_gdbarch_register_type (gdbarch, mn10300_register_type);
  set_gdbarch_skip_prologue (gdbarch, mn10300_skip_prologue);
  set_gdbarch_read_pc (gdbarch, mn10300_read_pc);
  set_gdbarch_write_pc (gdbarch, mn10300_write_pc);
  set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
  set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM);

  /* Stack unwinding.  */
  set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
  /* Breakpoints.  */
  set_gdbarch_breakpoint_from_pc (gdbarch, mn10300_breakpoint_from_pc);
  /* decr_pc_after_break? */
  /* Disassembly.  */
  set_gdbarch_print_insn (gdbarch, print_insn_mn10300);

  /* Stage 2 */
  /* MVS Note: at least the first one is deprecated!  */
  set_gdbarch_deprecated_use_struct_convention (gdbarch, 
						mn10300_use_struct_convention);
  set_gdbarch_store_return_value (gdbarch, mn10300_store_return_value);
  set_gdbarch_extract_return_value (gdbarch, mn10300_extract_return_value);
  
  /* Stage 3 -- get target calls working.  */
  set_gdbarch_push_dummy_call (gdbarch, mn10300_push_dummy_call);
  /* set_gdbarch_return_value (store, extract) */


  mn10300_frame_unwind_init (gdbarch);

  return gdbarch;
}
Example #13
0
static struct gdbarch *
tilegx_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
  struct gdbarch *gdbarch;
  int arch_size = 64;

  /* Handle arch_size == 32 or 64.  Default to 64.  */
  if (info.abfd)
    arch_size = bfd_get_arch_size (info.abfd);

  /* Try to find a pre-existing architecture.  */
  for (arches = gdbarch_list_lookup_by_info (arches, &info);
       arches != NULL;
       arches = gdbarch_list_lookup_by_info (arches->next, &info))
    {
      /* We only have two flavors -- just make sure arch_size matches.  */
      if (gdbarch_ptr_bit (arches->gdbarch) == arch_size)
	return (arches->gdbarch);
    }

  gdbarch = gdbarch_alloc (&info, NULL);

  /* Basic register fields and methods, datatype sizes and stuff.  */

  /* There are 64 physical registers which can be referenced by
     instructions (although only 56 of them can actually be
     debugged) and 1 magic register (the PC).  The other three
     magic registers (ex1, syscall, orig_r0) which are known to
     "ptrace" are ignored by "gdb".  Note that we simply pretend
     that there are 65 registers, and no "pseudo registers".  */
  set_gdbarch_num_regs (gdbarch, TILEGX_NUM_REGS);
  set_gdbarch_num_pseudo_regs (gdbarch, 0);

  set_gdbarch_sp_regnum (gdbarch, TILEGX_SP_REGNUM);
  set_gdbarch_pc_regnum (gdbarch, TILEGX_PC_REGNUM);

  set_gdbarch_register_name (gdbarch, tilegx_register_name);
  set_gdbarch_register_type (gdbarch, tilegx_register_type);

  set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
  set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT);
  set_gdbarch_long_bit (gdbarch, arch_size);
  set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);

  set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
  set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
  set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);

  set_gdbarch_ptr_bit (gdbarch, arch_size);
  set_gdbarch_addr_bit (gdbarch, arch_size);

  set_gdbarch_cannot_fetch_register (gdbarch,
				     tilegx_cannot_reference_register);
  set_gdbarch_cannot_store_register (gdbarch,
				     tilegx_cannot_reference_register);

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

  /* Frame Info.  */
  set_gdbarch_unwind_sp (gdbarch, tilegx_unwind_sp);
  set_gdbarch_unwind_pc (gdbarch, tilegx_unwind_pc);
  set_gdbarch_dummy_id (gdbarch, tilegx_unwind_dummy_id);
  set_gdbarch_frame_align (gdbarch, tilegx_frame_align);
  frame_base_set_default (gdbarch, &tilegx_frame_base);

  set_gdbarch_skip_prologue (gdbarch, tilegx_skip_prologue);

  set_gdbarch_stack_frame_destroyed_p (gdbarch, tilegx_stack_frame_destroyed_p);

  /* Map debug registers into internal register numbers.  */
  set_gdbarch_dwarf2_reg_to_regnum (gdbarch, tilegx_dwarf2_reg_to_regnum);

  /* These values and methods are used when gdb calls a target function.  */
  set_gdbarch_push_dummy_call (gdbarch, tilegx_push_dummy_call);
  set_gdbarch_get_longjmp_target (gdbarch, tilegx_get_longjmp_target);
  set_gdbarch_write_pc (gdbarch, tilegx_write_pc);
  set_gdbarch_breakpoint_from_pc (gdbarch, tilegx_breakpoint_from_pc);
  set_gdbarch_return_value (gdbarch, tilegx_return_value);

  set_gdbarch_print_insn (gdbarch, print_insn_tilegx);

  gdbarch_init_osabi (info, gdbarch);

  dwarf2_append_unwinders (gdbarch);
  frame_unwind_append_unwinder (gdbarch, &tilegx_frame_unwind);

  return gdbarch;
}
Example #14
0
static struct gdbarch *
ft32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
  struct gdbarch *gdbarch;
  struct gdbarch_tdep *tdep;
  struct type *void_type;
  struct type *func_void_type;

  /* 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 = XNEW (struct gdbarch_tdep);
  gdbarch = gdbarch_alloc (&info, tdep);

  /* Create a type for PC.  We can't use builtin types here, as they may not
     be defined.  */
  void_type = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void");
  func_void_type = make_function_type (void_type, NULL);
  tdep->pc_type = arch_type (gdbarch, TYPE_CODE_PTR, 4, NULL);
  TYPE_TARGET_TYPE (tdep->pc_type) = func_void_type;
  TYPE_UNSIGNED (tdep->pc_type) = 1;
  TYPE_INSTANCE_FLAGS (tdep->pc_type) |= TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;

  set_gdbarch_read_pc (gdbarch, ft32_read_pc);
  set_gdbarch_write_pc (gdbarch, ft32_write_pc);
  set_gdbarch_unwind_sp (gdbarch, ft32_unwind_sp);

  set_gdbarch_num_regs (gdbarch, FT32_NUM_REGS);
  set_gdbarch_sp_regnum (gdbarch, FT32_SP_REGNUM);
  set_gdbarch_pc_regnum (gdbarch, FT32_PC_REGNUM);
  set_gdbarch_register_name (gdbarch, ft32_register_name);
  set_gdbarch_register_type (gdbarch, ft32_register_type);

  set_gdbarch_return_value (gdbarch, ft32_return_value);

  set_gdbarch_pointer_to_address (gdbarch, ft32_pointer_to_address);

  set_gdbarch_skip_prologue (gdbarch, ft32_skip_prologue);
  set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
  set_gdbarch_breakpoint_from_pc (gdbarch, ft32_breakpoint_from_pc);
  set_gdbarch_frame_align (gdbarch, ft32_frame_align);

  frame_base_set_default (gdbarch, &ft32_frame_base);

  /* Methods for saving / extracting a dummy frame's ID.  The ID's
     stack address must match the SP value returned by
     PUSH_DUMMY_CALL, and saved by generic_save_dummy_frame_tos.  */
  set_gdbarch_dummy_id (gdbarch, ft32_dummy_id);

  set_gdbarch_unwind_pc (gdbarch, ft32_unwind_pc);

  set_gdbarch_print_insn (gdbarch, print_insn_ft32);

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

  /* Hook in the default unwinders.  */
  frame_unwind_append_unwinder (gdbarch, &ft32_frame_unwind);

  /* Support simple overlay manager.  */
  set_gdbarch_overlay_update (gdbarch, simple_overlay_update);

  set_gdbarch_address_class_type_flags (gdbarch, ft32_address_class_type_flags);
  set_gdbarch_address_class_name_to_type_flags
    (gdbarch, ft32_address_class_name_to_type_flags);
  set_gdbarch_address_class_type_flags_to_name
    (gdbarch, ft32_address_class_type_flags_to_name);

  return gdbarch;
}