+2010-04-20 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * f-exp.y: Add new production to recognize the `logical*8' type.
+ (LOGICAL_S8_KEYWORD): New token.
+ * f-lang.c (enum f_primitive_types)
+ <f_primitive_type_logical_s8>: New field.
+ (f_language_arch_info): Handling `logical*8' type.
+ (build_fortran_types): Building `logical*8' type.
+ * f-lang.h (struct builtin_f_type) <builtin_logical_s8>: New field.
+
+2010-04-19 Doug Evans <dje@google.com>
+
+ * ser-base.c (generic_readchar): Watch for EOF in read of error_fd.
+ * ser-pipe.c (pipe_open): Fix file descriptor leaks.
+ (pipe_close): Ditto.
+
+2010-04-19 Pierre Muller <muller@ics.u-strasbg.fr>
+
+ * configure.tgt (x86_64-*-mingw*): Set BUILD_GDBSERVER to yes.
+
+2010-04-19 Pierre Muller <muller@ics.u-strasbg.fr>
+
+ * windows-tdep.c (windows_get_tlb_type): Change current_seh.handle
+ type to void function.
+
+2010-04-19 Stan Shebs <stan@codesourcery.com>
+ Vladimir Prus <vladimir@codesourcery.com>
+
+ * tracepoint.c (tfind_1): Add missing newline, report exit from
+ tfind mode as such.
+ * target.c (update_current_target): Make default
+ to_trace_find return -1.
+
+2010-04-19 Mike Frysinger <vapier@gentoo.org>
+
+ * objc-lang.c (find_methods): Move symname check up.
+
+2010-04-19 Pedro Alves <pedro@codesourcery.com>
+
+ * ada-lang.c (print_recreate_exception)
+ <ex_catch_exception_unhandled>: It's "catch exception unhandled",
+ not "catch unhandled".
+
+2010-04-19 Pedro Alves <pedro@codesourcery.com>
+
+ PR breakpoints/8554.
+
+ Implement `save-breakpoints'.
+
+ * breakpoint.c (save_cmdlist): New.
+ (breakpoint_set_cmdlist, breakpoint_show_cmdlist): Moved up close
+ to save_cmdlist.
+ (print_recreate_catch_fork): New.
+ (catch_fork_breakpoint_ops): Install it.
+ (print_recreate_catch_vfork): New.
+ (catch_vfork_breakpoint_ops): Install it.
+ (print_recreate_catch_syscall): New.
+ (catch_syscall_breakpoint_ops): Install it.
+ (print_recreate_catch_exec): New.
+ (catch_exec_breakpoint_ops): Install it.
+ (print_recreate_exception_catchpoint): New.
+ (gnu_v3_exception_catchpoint_ops): Install it.
+ (save_breakpoints): New, based on tracepoint_save_command, but
+ handle all breakpoint types.
+ (save_breakpoints_command): New.
+ (tracepoint_save_command): Rename to...
+ (save_tracepoints_command): ... this, and reimplement using
+ save_breakpoints.
+ (save_command): New.
+ (_initialize_breakpoints): Install the "save" command prefix.
+ Install the "save breakpoints" command. Make "save-tracepoints" a
+ deprecated alias for "save tracepoints".
+ * breakpoint.h (struct breakpoint_ops): New field `print_recreate'.
+ * ada-lang.c (print_recreate_exception): New.
+ (print_recreate_catch_exception): New.
+ (catch_exception_breakpoint_ops): Install it.
+ (print_recreate_catch_exception_unhandled): New.
+ (catch_exception_unhandled_breakpoint_ops): Install it.
+ (print_recreate_catch_assert): New.
+ (catch_assert_breakpoint_ops): Install it.
+
+ * NEWS: Mention the new `save breakpoints' command. Mention the
+ new `save tracepoints' alias and that `save-tracepoints' is now
+ deprecated.
+
+2010-04-18 Pedro Alves <pedro@codesourcery.com>
+
+ PR tui/9217
+
+ * tui/tui-out.c: Include cli-out.h.
+ (tui_table_begin, tui_table_body, tui_table_end, tui_table_header)
+ (tui_begin, tui_end, tui_field_int, tui_field_skip)
+ (tui_field_string, tui_field_fmt, tui_spaces, tui_text)
+ (tui_message, tui_wrap_hint, tui_flush): Delete forward
+ declarations.
+ (struct ui_out_data): Rename to...
+ (struct tui_ui_out_data): ... this. Remove `stream' and
+ `suppress_output' fields, and inherit cli_ui_out_data.
+ (tui_out_data): New typedef.
+ (tui_ui_out_impl): Don't initialize fields staticaly.
+ (tui_table_begin, tui_table_body, tui_table_end, tui_table_header)
+ (tui_begin, tui_end): Delete.
+ (tui_field_int): Adjust to delegate most work to the base type.
+ (tui_field_skip): Delete.
+ (tui_field_string, tui_field_fmt): Adjust comment. Adjust to
+ delegate most work to the base type.
+ (tui_spaces): Delete.
+ (tui_text): Adjust to delegate most work to the base type.
+ (tui_message): Delete.
+ (tui_wrap_hint): Delete.
+ (tui_flush): Delete.
+ (out_field_fmt): Delete.
+ (field_separator): Delete.
+ (tui_out_new): Adjust to initialize the base type.
+ (_initialize_tui_out): Initialize tui_ui_out_impl.
+ * cli-out.c (struct ui_out_data): Moved out to cli-out.h, renamed
+ cli_ui_out_data.
+ (cli_out_data): Adjust.
+ (cli_ui_out_impl): Make extern.
+ (cli_table_header, cli_field_int, cli_field_skip): Use
+ uo_field_string instead of cli_field_string.
+ (cli_redirect): Adjust to use cli_out_data.
+ (cli_out_data_ctor): New.
+ (cli_out_new): Use it.
+ * cli-out.h (struct ui_file): Remove forward declaration.
+ (struct cli_ui_out_data): New, moved from cli-out.c, and renamed.
+ (cli_ui_out_impl): Declare.
+ (cli_out_data_ctor): Declare.
+ * ui-out.c (struct ui_out) <data>: Change type to void pointer.
+ (uo_field_string): No longer static.
+ (ui_out_data): Change return type to void pointer.
+ (ui_out_new): Change `data' parameter type to void pointer.
+ * ui-out.h (struct ui_out_data): Don't forward declare.
+ (ui_out_data): Change return type to void pointer.
+ (ui_out_new): Change `data' parameter type to void pointer.
+ (uo_field_string): Declare.
+
+2010-04-17 Pedro Alves <pedro@codesourcery.com>
+
+ * ui-file.c (tee_file_isatty): Return whether `tee->one' is a tty,
+ instead of always false.
+
+2010-04-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR corefiles/11511
+ * amd64-linux-tdep.c (amd64_linux_gregset_reg_offset): Support
+ orig_rax.
+
+2010-04-17 Pedro Alves <pedro@codesourcery.com>
+
+ * breakpoint.c (watchpoints_triggered): Use
+ is_hardware_watchpoint.
+ (watchpoints_triggered): Ditto.
+ (bpstat_check_location): Use is_watchpoint and
+ is_hardware_watchpoint.
+ (bpstat_check_watchpoint): Use is_watchpoint and
+ is_hardware_watchpoint.
+ (bpstat_stop_status): Fix comment.
+ (user_settable_breakpoint): Use is_watchpoint.
+ (hw_watchpoint_used_count): Use is_hardware_watchpoint.
+ (disable_watchpoints_before_interactive_call_start): Use
+ is_watchpoint.
+ (enable_watchpoints_after_interactive_call_stop): Use
+ is_watchpoint.
+ (clear_command): Use is_watchpoint.
+ (do_enable_breakpoint): Use is_watchpoint.
+
+2010-04-16 Mike Frysinger <vapier@gentoo.org>
+
+ * solib-frv.c (enable_break1_done): Delete.
+ (enable_break2): Do not check enable_break1_done. Move the
+ enable_break2_done setting and call to
+ remove_solib_event_breakpoints() to the end. Return without
+ warning when the contents of _dl_debug_addr are 0.
+ (enable_break): Do not set enable_break1_done.
+ (frv_clear_solib): Likewise.
+
+2010-04-16 Kevin Buettner <kevinb@redhat.com>
+
+ * m32c-tdep.c (m32c_m16c_address_to_pointer): Print warning
+ instead of an error if no PLT entry is found. Return a
+ potentially useful result.
+ (m32c_m16c_pointer_to_address): Add code to search for function
+ address when no .plt entry is found.
+
+2010-04-16 Stan Shebs <stan@codesourcery.com>
+
+ * tracepoint.c (trace_variable_command): Run a cleanup.
+
+2010-04-16 Pierre Muller <muller@ics.u-strasbg.fr>
+
+ * p-lang.c (pascal_one_char): Do not restrict C to 0..255 range.
+
+2010-04-16 Pierre Muller <muller@ics.u-strasbg.fr>
+
+ Support for Windows OS Thread Information Block.
+ * NEWS: Document new feature.
+ * remote.c (PACKET_qGetTIBAddr): New enum element.
+ (remote_get_tib_address): New function.
+ (init_remote_ops): Set to_get_tib_address field
+ to remote_get_tib_address.
+ (_initialize_remote): Add add_packet_config_cmd
+ for PACKET_qGetTIBAddr.
+ * target.c (update_current_target): Set default value for
+ new to_get_tib_address field.
+ * target.h (target_ops): New field to_get_tib_address.
+ (target_get_tib_address): New macro.
+ * windows-nat.c (thread_info): Add thread_local_base field.
+ (windows_add_thread): Add tlb argument of type 'void *'.
+ (fake_create_process): Adapt windows_add_thread call.
+ (get_windows_debug_event): Idem.
+ (windows_get_tib_address): New function.
+ (init_windows_ops): Set to_get_tib_address field
+ to remote_get_tib_address.
+ (_initialize_windows_nat): Replace info_w32_cmdlist
+ initialization by a call to init_w32_command_list.
+ (info_w32_command, info_w32_cmdlist): Removed from here...
+ to windows-tdep.c file.
+ * windows-tdep.h (info_w32_cmdlist): Declare.
+ (init_w32_command_list): New external function
+ declaration.
+ * windows-tdep.c: Add several headers.
+ (info_w32_cmdlist): to here, made global.
+ (thread_information_32): New struct.
+ (thread_information_64): New struct.
+ (TIB_NAME): New char array.
+ (MAX_TIB32, MAX_TIB64, FULL_TIB_SIZE): New constants.
+ (maint_display_all_tib): New static variable.
+ (windows_get_tlb_type): New function.
+ (tlb_value_read, tlb_value_write): New functions.
+ (tlb_value_funcs): New static struct.
+ (tlb_make_value): New function.
+ (display_one_tib): New function.
+ (display_tib): New function.
+ (show_maint_show_all_tib):New function.
+ (info_w32_command): Moved from windows-nat.c.
+ (init_w32_command_list): New function.
+ (_initialize_windows_tdep): New function.
+ New "maint set/show show-all-tib" command
+ New "$_tlb" internal variable.
+
+2010-04-16 Joel Brobecker <brobecker@adacore.com>
+
+ * tui/tui-regs.c (tui_display_register): Add comment about
+ a couple of casts.
+ * tui/tui-stack.c (tui_show_locator_content): Ditto.
+
+2010-04-15 Stan Shebs <stan@codesourcery.com>
+
+ * frame.c: Include tracepoint.h.
+ (get_current_frame): Allow a trace frame to be an alternate source
+ of stack frame data.
+ * tracepoint.c (tfind_1): Don't try to get current stack frame if
+ it won't succeed.
+
+2010-04-15 Pedro Alves <pedro@codesourcery.com>
+
+ * ppc-linux-tdep.c (bsd_uthread_solib_loaded): Always pass 0 for
+ flags.
+ * solib-spu.c (spu_solib_loaded): Always pass 0 for flags.
+
+2010-04-15 Doug Evans <dje@google.com>
+
+ * NEWS: Add entry for python program space support.
+ * Makefile.in (SUBDIR_PYTHON_OBS): Add py-progspace.o.
+ (SUBDIR_PYTHON_SRCS): Add py-progspace.c.
+ (py-progspace.o): New rule.
+ * python/py-prettyprint.c (find_pretty_printer_from_objfiles): New
+ function.
+ (find_pretty_printer_from_progspace): New function.
+ (find_pretty_printer_from_gdb): New function.
+ (find_pretty_printer): Rewrite.
+ * python/py-progspace.c: New file.
+ * python/python-internal.h (program_space): Add forward decl.
+ (pspace_to_pspace_object, pspy_get_printers): Declare.
+ (gdbpy_initialize_pspace): Declare.
+ * python/python.c: #include "progspace.h".
+ (gdbpy_get_current_progspace, gdbpy_progspaces): New functions.
+ (_initialize_python): Call gdbpy_initialize_pspace.
+ (GdbMethods): Add current_progspace, progspaces.
+
+ Add -s option to source command.
+ * NEWS: Document new option.
+ * cli/cli-cmds.c (find_and_open_script): Add function comment.
+ Delete from_tty and cleanupp args. Split filep arg into file and
+ full_pathp. New arg search_path.
+ (source_script_from_stream): New function.
+ (source_script_with_search): New function.
+ (source_script): Rewrite.
+ (source_command): Parse "-s" option.
+ (init_cli_cmds): Add "-s" docs to source command help, and reformat.
+ * python/python.c (source_python_script): Make file arg a const char *.
+ Don't call fclose, leave for caller.
+ * python/python.h (source_python_script): Update.
+
+2010-04-14 Daniel Jacobowitz <dan@codesourcery.com>
+ Pedro Alves <pedro@codesourcery.com>
+
+ Avoid rereading shared libraries that haven't changed.
+
+ * solib.c (free_so_symbols): New function, from ...
+ (free_so): ... here. Call it.
+ (solib_read_symbols): Don't warn here if symbols have already been
+ loaded.
+ (solib_add): Warn here instead, if a pattern was specified.
+ (reload_shared_libraries_1): New.
+ (reload_shared_libraries): Rewrite to not fetch the library list.
+
+2010-04-14 Doug Evans <dje@google.com>
+
+ * source.c (openp): Strip DOS drive letter if present before
+ concatenating string to search path.
+
+2010-04-14 Pedro Alves <pedro@codesourcery.com>
+
+ * objfiles.h (gdb_bfd_close_or_warn): Declare.
+ * objfiles.c (gdb_bfd_close_or_warn): New.
+ * corelow.c: Include objfiles.h
+ (core_close): Use gdb_bfd_close_or_warn.
+ * elfread.c (build_id_verify): Ditto.
+ * exec.c (exec_close, exec_close_1): Ditto.
+
+2010-04-14 Daniel Jacobowitz <dan@codesourcery.com>
+ Pedro Alves <pedro@codesourcery.com>
+
+ Group errors for many missing shared libraries.
+
+ * solist.h (struct so_list): Remove from_tty.
+ * solib.c (solib_bfd_open): Return NULL if we failed to open a BFD.
+ (solib_map_sections): Take so_list argument. Return 0 if we
+ failed to open a BFD. Add target sections here.
+ (symbol_add_stub): Delete.
+ (solib_read_symbols): Inline symbol_add_stub. Use current flags,
+ not from_tty copied from the so_list. Don't warn a second time
+ for a missing library.
+ (update_solib_list): Don't save from_tty. Use TRY_CATCH. Do not
+ add to the section table here. Print out a single warning for all
+ missing libraries.
+ * bsd-uthread.c (bsd_uthread_solib_loaded): Always pass 0 for
+ flags.
+
+2010-04-14 Phil Muldoon <pmuldoon@redhat.com>
+
+ * python/py-block.c (gdbpy_block_for_pc): Use i8n to encompass
+ error/warning messages. Capitalize and use complete sentences.
+ (blpy_block_syms_iternext): Likewise.
+ * python/py-cmd.c (parse_command_name, cmdpy_init): Likewise.
+ * python/py-frame.c (FRAPY_REQUIRE_VALID, frapy_block)
+ (frame_info_to_frame_object, frapy_read_var)
+ (gdbpy_frame_stop_reason_string): Likewise.
+ * python/py-lazy-string.c (stpy_convert_to_value)
+ (gdbpy_create_lazy_string_object): Likewise.
+ * python/py-objfile.c (objfpy_set_printers): Likewise.
+ * python/py-prettyprint.c (gdbpy_default_visualizer): Likewise.
+ * python/python.c (parameter_to_python): Likewise.
+ * python/py-type.c (typy_range, typy_target): Likewise.
+ * python/py-value.c (valpy_cast, valpy_length, valpy_getitem)
+ (valpy_richcompare, valpy_int, valpy_long, valpy_float): Likewise.
+
+
+2010-04-14 Phil Muldoon <pmuldoon@redhat.com>
+
+ PR python/11381
+
+ * python/py-prettyprint.c (pretty_print_one_value): Test for
+ Py_None.
+ (print_string_repr): Test for Py_None. Set flags accordingly.
+ Return value depending on return type.
+ (print_children): Take a value indicating whether data was printed
+ before this function was called. Alter output accordingly.
+ (apply_val_pretty_printer): Capture return value from
+ print_string_repr and pass to print_children.
+
+2010-04-13 Mark Kettenis <kettenis@gnu.org>
+
+ PR corefiles/11481
+ * i386-linux-tdep.c (i386_linux_regset_sections): Remove extended
+ register note sections.
+ (i386_linux_sse_regset_sections, i386_linux_avx_regset_sections):
+ New variables.
+ (i386_linux_init_abi): Install list of supported register note
+ sections that matches the target description.
+
+2010-04-13 Pedro Alves <pedro@codesourcery.com>
+
+ * remote.c (remote_get_noisy_reply): Don't error out on empty
+ replies.
+ (remote_start_remote): Update and merge tracepoints and trace
+ state variables as long as the target supports tracepoints.
+ (remote_trace_init): Fix prototype.
+ (remote_download_trace_state_variable): Validate reply.
+ (remote_trace_set_readonly_regions): Fix prototype.
+ (remote_trace_start): Fix prototype. Check for empty reply.
+ (remote_get_trace_status): Small cleanup.
+ (remote_trace_stop): Fix prototype. Check for empty reply.
+ (remote_trace_find): Check for empty reply.
+ (remote_save_trace_data): Validate reply.
+ (remote_set_disconnected_tracing): Check for empty reply, and
+ validate reply.
+ (remote_set_circular_trace_buffer): Ditto.
+
+2010-04-13 Pierre Muller <muller@ics.u-strasbg.fr>
+
+ Suppress unused value warning during compilation.
+ * tui/tui-regs.c (tui_display_register): Cast wstandout and wstandend
+ calls to void.
+ * tui/tui-stack.c (tui_show_locator_content): Likewise.
+
2010-04-12 Stan Shebs <stan@codesourcery.com>
* tracepoint.c (tfile_xfer_partial): Check read result.
* symtab.c (find_function_start_sal): Never return SAL pointing
before function start address, even if line info is missing.
-2010-04-09 Pedro Alves <pedro@codesourcery.com>
+2010-04-09 Pedro Alves <pedro@codesourcery.com>
* NEWS: Mention tracepoints support.
i386_xmm_regnum_p.
(i386_validate_tdesc_p): Support org.gnu.gdb.i386.avx feature.
Set ymmh_register_names, num_ymm_regs, ymm0h_regnum and xcr0.
- (i386_gdbarch_init): Set xstateregset. Set xsave_xcr0_offset.
+ (i386_gdbarch_init): Set xstateregset. Set xsave_xcr0_offset.
Call set_gdbarch_register_name. Replace I386_SSE_NUM_REGS with
I386_AVX_NUM_REGS. Set ymmh_register_names, ymm0h_regnum and
num_ymm_regs. Add num_ymm_regs to set_gdbarch_num_pseudo_regs.
2010-03-31 Richard Earnshaw <rearnsha@arm.com>
* arm-tdep.c (thumb_get_next_pc_raw): Correctly detect TBH
- instructions. Use the PC+4 if the base of the TBB or TBH is the
+ instructions. Use the PC+4 if the base of the TBB or TBH is the
PC register.
2010-03-31 Jan Kratochvil <jan.kratochvil@redhat.com>
2010-03-31 Stan Shebs <stan@codesourcery.com>
* breakpoint.c (tracepoint_save_command): Include variables,
- conditionals, tracepoint types, and default-collect.
+ conditionals, tracepoint types, and default-collect.
* tracepoint.c (save_trace_state_variables): New function.
* tracepoint.h (save_trace_state_variables): Declare it.
2010-03-31 Pierre Muller <muller@ics.u-strasbg.fr>
- * src/gdb/remote.c (end_thread): ARI fix: Use xstrdup instead of
- strdup.
+ * remote.c (end_thread): ARI fix: Use xstrdup instead of strdup.
2010-03-30 Keith Seitz <keiths@redhat.com>
2010-03-24 Michael Snyder <msnyder@localhost.localdomain>
- * elfread.c (find_separate_debug_file_by_buildid):
+ * elfread.c (find_separate_debug_file_by_buildid):
Remove unused local variable.
2010-03-24 Tom Tromey <tromey@redhat.com>
2010-03-19 Stan Shebs <stan@codesourcery.com>
- * ax-general.c (ax_const_l): Fix a sizing bug.
+ * ax-general.c (ax_const_l): Fix a sizing bug.
2010-03-18 Joel Brobecker <brobecker@adacore.com>
If the extracted function name and the original name are the same,
we don't have a C++ method.
- From Jan Kratochvil <jan.kratochvil@redhat.com>:
- * dwarf2read.c (new_symbol <DW_TAG_enumerator>): Call dwarf2_full_name.
+ From Jan Kratochvil <jan.kratochvil@redhat.com>:
+ * dwarf2read.c (new_symbol <DW_TAG_enumerator>): Call dwarf2_full_name.
* ada-lang.c (ada_lookup_symbol): Remove linkage_name parameters
and arguments from symbol lookups.
(MON_ROCKHOPPER): New mips_monitor_type.
(read_hex_value): New function.
(mips_request): Send 8-byte values with a 'T' packet. Read the
- packet argument as a string and use read_hex_value to parse it.
+ packet argument as a string and use read_hex_value to parse it.
(mips_exit_debug): Wait for response when using MON_ROCKHOPPER.
(rockhopper_open): New function.
(mips_wait): Read the PC, FP and SP fields as strings. Use
(amd64_register_name): Likewise.
(amd64_register_type): Likewise.
(amd64_init_abi): Set num_core_regs and register_names. Set
- target description to tdesc_amd64 if needed. Don't call
+ target description to tdesc_amd64 if needed. Don't call
set_gdbarch_register_name nor set_gdbarch_register_type.
(_initialize_amd64_tdep): New.
(typy_lookup_type): Likewise.
2010-02-25 Daniel Jacobowitz <dan@codesourcery.com>
-
+
Symbian config
gdb/
* mi/mi-main.c (mi_cmd_execute): Fix typo.
2010-02-24 Phil Muldoon <pmuldoon@redhat.com>
- Tom Tromey <tromey@redhat.com>
+ Tom Tromey <tromey@redhat.com>
Thiago Jung Bauermann <bauerman@br.ibm.com>
* python/python.c (_initialize_python): Call
* infrun.c (handle_inferior_event): Do not look up regcache
for exited processes.
-Mon Feb 8 13:17:10 2010 Chris Moller <moller@mollerware.com>
+2010-02-08 Chris Moller <moller@mollerware.com>
PR gdb/10728
* valarith.c (value_ptrdiff): Added a test for a zero type length,
- warn if found, and assume length = 1.
+ warn if found, and assume length = 1.
2010-02-08 Chris Moller <cmoller@redhat.com>
PR gdb/9067
* cp-valprint.c (cp_print_value_fields) Fix use of obstacks.
cp_print_static_field) Fix use of obstacks.
-
+
2010-02-08 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (linux_nat_resume): In non-stop, also only tag
* breakpoint.c (watchpoint_check): Check the call
gdbarch_in_function_epilogue_p before calling frame_find_by_id.
Extend the comment.
- * config/djgpp/fnchange.lst: Add translations for
+ * config/djgpp/fnchange.lst: Add translations for
watchpoint-cond-gone.exp, watchpoint-cond-gone.c and
watchpoint-cond-gone-stripped.c.
tramp-frame.h.
(SIGTRAMP_FRAME_SIZE, SIGCONTEXT_PC_OFF, SIGCONTEXT_REGS_OFF)
(SIGCONTEXT_FPREGS_OFF, SIGCONTEXT_FPCSR_OFF, SIGCONTEXT_HI_OFF)
- (SIGCONTEXT_LO_OFF): New macros.
- (mips_irix_n32_tramp_frame_init): New function.
+ (SIGCONTEXT_LO_OFF): New macros.
+ (mips_irix_n32_tramp_frame_init): New function.
(mips_irix_n32_tramp_frame): New static constant.
(mips_irix_init_abi): Prepend the mips_irix_n32_tramp_frame unwinder.