Sriraman Tallam [Wed, 28 Jan 2009 02:25:33 +0000 (02:25 +0000)]
2009-01-20 Sriraman Tallam <tmsriram@google.com>
* Makefile.am (CCFILES): Add gc.cc.
(HFILES): Add gc.h.
* Makefile.in: Regenerate.
* gold.cc (Gc_runner): New class.
(queue_initial_tasks): Call garbage collection related tasks
when corresponding options are invoked.
(queue_middle_gc_tasks): New function.
(queue_middle_tasks): Reorder tasks to allow relocs to be read and
processed early before laying out sections during garbage collection.
* gold.h (queue_middle_gc_tasks): New function.
(is_prefix_of): Move from "layout.cc".
* i386.cc (Target_i386::gc_process_relocs): New function.
* layout.cc (is_prefix_of): Remove. Move to "gold.h"
* main.cc (main): Create object of class "Garbage_collection".
* object.cc (Relobj::copy_symbols_data): New function.
(Relobj::is_section_name_included): New function.
(Sized_relobj::do_layout): Allow this function to be called twice
during garbage collection and defer layout of section during the
first call.
* object.h (Relobj::get_symbols_data): New function.
(Relobj::is_section_name_included): New function.
(Relobj::copy_symbols_data): New function.
(Relobj::set_symbols_data): New function.
(Relobj::get_relocs_data): New function.
(Relobj::set_relocs_data): New function.
(Relobj::is_output_section_offset_invalid): New pure virtual function.
(Relobj::gc_process_relocs): New function.
(Relobj::do_gc_process_relocs): New pure virtual function.
(Relobj::sd_): New data member.
(Sized_relobj::is_output_section_offset_invalid): New function.
(Sized_relobj::do_gc_process_relocs): New function.
* options.h (General_options::gc_sections): Modify to not be a no-op.
(General_options::print_gc_sections): New option.
* plugin.cc (Plugin_finish::run): Remove function call to
Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
* reloc.cc (Read_relocs::run): Add task to process relocs and
determine unreferenced sections when doing garbage collection.
(Gc_process_relocs): New class.
(Sized_relobj::do_gc_process_relocs): New function.
(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
sections that are garbage collected.
* reloc.h (Gc_process_relocs): New class.
* sparc.cc (Target_sparc::gc_process_relocs): New function.
* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
symbols whose corresponding sections are garbage collected.
(Symbol_table::Symbol_table): Add new parameter for the garbage
collection object.
(Symbol_table::gc_mark_undef_symbols): New function.
(Symbol_table::gc_mark_symbol_for_shlib): New function.
(Symbol_table::gc_mark_dyn_syms): New function.
(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
as garbage.
(Symbol_table::add_from_object): Likewise.
(Symbol_table::add_from_relobj): When building shared objects, do not
treat externally visible symbols as garbage.
(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
table information for static and relocatable links.
* symtab.h (Symbol_table::set_gc): New function.
(Symbol_table::gc): New function.
(Symbol_table::gc_mark_undef_symbols): New function.
(Symbol_table::gc_mark_symbol_for_shlib): New function.
(Symbol_table::gc_mark_dyn_syms): New function.
(Symbol_table::gc_): New data member.
* target.h (Sized_target::gc_process_relocs): New pure virtual
function.
* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
* elf32-cris.c (cris_elf_relocate_section): Use elf_hash_table
(info)->tls_size, not elf_hash_table (info)->tls_sec->size for
the size of local TLS data.
Nick Clifton [Tue, 27 Jan 2009 13:48:14 +0000 (13:48 +0000)]
* config/tc-mips.c (append_insn): Cope with a complex reloc
sequence containing an unsupported reloc type.
(enum options): Replace computed #define's constants for option
numbers with this enum.
(struct md_longopts): Use the enum. Allow OPTION_32 in a non-ELF
environment.
(md_parse_option): Allow -32 in a non-ELF environment.
* gas/lib/gas-defs.exp: Update description of run_dump_test proc.
* gas/mips/dli.d: Pass -64 to gas.
* gas/mips/mips64-mips3d-incl.d: Likewise.
* gas/mips/octeon.d: Likewise.
* gas/mips/sb1-ext-mdmx.d: Likewise.
* gas/mips/sb1-ext-ps.d: Likewise.
* gas/mips/e32el-rel2.s: Pass -march=mips3 to gas.
Update expected relocs.
* gas/mips/ld-ilocks-addr32.d: Do not run for tx39 targets.
* gas/mips/mips.exp: Remove 'ilocks' variable.
Add ecoff targets to 'addr32' variable.
Set 'no_mips16' for ecoff targets.
Do not run div-ilocks or mul-ilocks test variants.
* gas/mips/mips16-intermix.d: Use nm instead of objdump so that
the symbol table output is sorted. Update expecetd output.
Pedro Alves [Mon, 26 Jan 2009 22:34:55 +0000 (22:34 +0000)]
* linux-nat.c (linux_child_follow_fork): Copy attach_flag from the
parent to the child.
* inf-ttrace.c (inf_ttrace_follow_fork): Likewise.
* inf-ptrace.c (inf_ptrace_follow_fork): Likewise. Use
remove_breakpoints to remove breakpoints from the parent.
Pedro Alves [Mon, 26 Jan 2009 19:09:58 +0000 (19:09 +0000)]
* frame.c (create_new_frame): Update the frame's cached PC before
finding its unwinder. Use frame_id_build to build the new frame's
id.
* stack.c (parse_frame_specification_1): Correct setting ``addrs''
array values from the ``args'' array values.
Pedro Alves [Mon, 26 Jan 2009 18:57:44 +0000 (18:57 +0000)]
* gdbtypes.c (alloc_type, alloc_type_instance, create_range_type)
(create_array_type, create_set_type, init_flags_type)
(copy_type_recursive): Replace pairs of calls to XALLOC and memset
with a call to XZALLOC or XCALLOC, and pairs of calls to
obstack_alloc and memset with a call to OBSTACK_ZALLOC.
Nathan Sidwell [Mon, 26 Jan 2009 15:23:39 +0000 (15:23 +0000)]
* lexsup.c (parse_args): Set check_section_addresses to 1 or 0.
* ld.h (args_type): Make check_section_addresses a char.
ldlang.c (lang_process): Don't consider relocatable flag when
checking for overlap.
* ldmain.c (main): Default check_section_addresses to -1. Check it
for relocatable links.
* ld.texinfo (--check-sections): Update documentation.
Andrew Stubbs [Mon, 26 Jan 2009 14:36:43 +0000 (14:36 +0000)]
2009-01-26 Andrew Stubbs <ams@codesourcery.com>
gas/
* config/tc-arm.c (attributes_set_explicitly): New array.
(s_arm_eabi_attribute): Check return value from s_vendor_attribute.
(cpu_arch): Add ARM_ARCH_V5T.
(aeabi_set_attribute_int): New function.
(aeabi_set_attribute_string): New function.
(aeabi_set_public_attributes): Set attributes according to the user's
intentions, rather than the actual state of the binary.
Use aeabi_set_attribute_int and aeabi_set_attribute_string instead of
bfd_elf_add_proc_attr_int and bfd_elf_add_proc_attr_string.
Support WMMXv2. Use attribute names instead of numbers.
* read.c (s_vendor_attribute): Change return type to int.
Return the tag number that was set.
* read.h (s_vendor_attribute): Change return type to int.
gas/testsuite/
* gas/arm/attr-cpu-directive.d: New file.
* gas/arm/attr-cpu-directive.s: New file.
* gas/arm/attr-default.d: New file.
* gas/arm/attr-march-all.d: New file.
* gas/arm/attr-march-armv1.d: New file.
* gas/arm/attr-march-armv2.d: New file.
* gas/arm/attr-march-armv2a.d: New file.
* gas/arm/attr-march-armv2s.d: New file.
* gas/arm/attr-march-armv3.d: New file.
* gas/arm/attr-march-armv3m.d: New file.
* gas/arm/attr-march-armv4.d: New file.
* gas/arm/attr-march-armv4t.d: New file.
* gas/arm/attr-march-armv4txm.d: New file.
* gas/arm/attr-march-armv4xm.d: New file.
* gas/arm/attr-march-armv5.d: New file.
* gas/arm/attr-march-armv5t.d: New file.
* gas/arm/attr-march-armv5te.d: New file.
* gas/arm/attr-march-armv5tej.d: New file.
* gas/arm/attr-march-armv5texp.d: New file.
* gas/arm/attr-march-armv5txm.d: New file.
* gas/arm/attr-march-armv6-m.d: New file.
* gas/arm/attr-march-armv6.d: New file.
* gas/arm/attr-march-armv6j.d: New file.
* gas/arm/attr-march-armv6k.d: New file.
* gas/arm/attr-march-armv6kt2.d: New file.
* gas/arm/attr-march-armv6t2.d: New file.
* gas/arm/attr-march-armv6z.d: New file.
* gas/arm/attr-march-armv6zk.d: New file.
* gas/arm/attr-march-armv6zkt2.d: New file.
* gas/arm/attr-march-armv6zt2.d: New file.
* gas/arm/attr-march-armv7-a.d: New file.
* gas/arm/attr-march-armv7-m.d: New file.
* gas/arm/attr-march-armv7-r.d: New file.
* gas/arm/attr-march-armv7.d: New file.
* gas/arm/attr-march-armv7a.d: New file.
* gas/arm/attr-march-armv7m.d: New file.
* gas/arm/attr-march-armv7r.d: New file.
* gas/arm/attr-march-iwmmxt.d: New file.
* gas/arm/attr-march-iwmmxt2.d: New file.
* gas/arm/attr-march-xscale.d: New file.
* gas/arm/attr-mcpu.d: New file.
* gas/arm/attr-mfpu-arm1020e.d: New file.
* gas/arm/attr-mfpu-arm1020t.d: New file.
* gas/arm/attr-mfpu-arm1136jf-s.d: New file.
* gas/arm/attr-mfpu-arm1136jfs.d: New file.
* gas/arm/attr-mfpu-arm7500fe.d: New file.
* gas/arm/attr-mfpu-fpa.d: New file.
* gas/arm/attr-mfpu-fpa10.d: New file.
* gas/arm/attr-mfpu-fpa11.d: New file.
* gas/arm/attr-mfpu-fpe.d: New file.
* gas/arm/attr-mfpu-fpe2.d: New file.
* gas/arm/attr-mfpu-fpe3.d: New file.
* gas/arm/attr-mfpu-maverick.d: New file.
* gas/arm/attr-mfpu-neon-fp16.d: New file.
* gas/arm/attr-mfpu-neon.d: New file.
* gas/arm/attr-mfpu-softfpa.d: New file.
* gas/arm/attr-mfpu-softvfp+vfp.d: New file.
* gas/arm/attr-mfpu-softvfp.d: New file.
* gas/arm/attr-mfpu-vfp.d: New file.
* gas/arm/attr-mfpu-vfp10-r0.d: New file.
* gas/arm/attr-mfpu-vfp10.d: New file.
* gas/arm/attr-mfpu-vfp3.d: New file.
* gas/arm/attr-mfpu-vfp9.d: New file.
* gas/arm/attr-mfpu-vfpv2.d: New file.
* gas/arm/attr-mfpu-vfpv3-d16.d: New file.
* gas/arm/attr-mfpu-vfpv3.d: New file.
* gas/arm/attr-mfpu-vfpxd.d: New file.
* gas/arm/attr-order.d: Update Tag_ARM_ISA_use and Tag_THUMB_ISA_use.
* gas/arm/attr-override-cpu-directive.d: New file.
* gas/arm/attr-override-cpu-directive.s: New file.
* gas/arm/attr-override-mcpu.d: New file.
* gas/arm/attr-override-mcpu.s: New file.
* gas/arm/blank.s: New file.
* gas/arm/eabi_attr_1.d: Update Tag_ARM_ISA_use and Tag_THUMB_ISA_use.
Kai Tietz [Mon, 26 Jan 2009 10:29:11 +0000 (10:29 +0000)]
2009-01-26 Kai Tietz <kai.tietz@onevision.com>
* pe-dll.c (tmp_seq2): New static variable.
(make_singleton_name_imp): New.
(make_import_fixup_entry): Use for v2 the _imp_<name> symbol and
avoid duplicate import table generation for same symbol.
(pe_create_runtime_relocator_reference): Make reference for
64-bit 8 bytes.
Dave Anglin [Sun, 25 Jan 2009 23:05:20 +0000 (23:05 +0000)]
* elf-hppa.h (elf_hppa_final_link_relocate): Add check to ensure that
branch targets can be reached for R_PARISC_PCREL22F, R_PARISC_PCREL17F
and R_PARISC_PCREL12F relocations.
Alan Modra [Sat, 24 Jan 2009 03:10:43 +0000 (03:10 +0000)]
PR 6022
* elflink.c (find_version_for_sym): New function split out from,
but without export_dynamic test, ..
(_bfd_elf_link_assign_sym_version): ..here.
(_bfd_elf_export_symbol): Use it.
Andreas Schwab [Tue, 20 Jan 2009 16:12:00 +0000 (16:12 +0000)]
* powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
read the value in the contents, since we don't use it. Use the
template endianness when writing.
(Relocate::relocate): Use it for R_PPC_REL16_HA.
Doug Evans [Mon, 19 Jan 2009 19:05:01 +0000 (19:05 +0000)]
* dummy-frame.c (dummy_frame): Replace regcache member with
caller_state.
(dummy_frame_push): Replace caller_regcache arg with caller_state.
All callers updated.
(remove_dummy_frame,pop_dummy_frame,lookup_dummy_frame): New fns.
(dummy_frame_pop): Rewrite. Verify requested frame is in the
dummy frame stack. Restore program state.
(cleanup_dummy_frames): Rewrite.
(dummy_frame_sniffer): Update. Make static.
* dummy-frame.h (regcache,frame_info): Delete forward decls.
(inferior_thread_state): New forward decl.
(dummy_frame_push): Update prototype.
* frame.c (frame_pop): dummy_frame_pop now does all the work for
DUMMY_FRAMEs.
* infcall.c (breakpoint_auto_delete_contents): Delete.
(get_function_name,run_inferior_call): New fns.
(call_function_by_hand): Simplify by moving some code to
get_function_name, run_inferior_call. Inferior function call wrapped
in TRY_CATCH so there's less need for cleanups and all exits from
proceed are handled similarily. Detect program exit.
Detect program stopping in a different thread.
Make error messages more consistent.
* inferior.h (inferior_thread_state): Declare (opaque type).
(save_inferior_thread_state,restore_inferior_thread_state,
make_cleanup_restore_inferior_thread_state,
discard_inferior_thread_state, get_inferior_thread_state_regcache):
Declare.
(save_inferior_status): Update prototype.
* infrun.c: (normal_stop): When stopped for the completion of an
inferior function call, verify the expected stack frame kind.
(inferior_thread_state): New struct.
(save_inferior_thread_state,restore_inferior_thread_state,
do_restore_inferior_thread_state_cleanup,
make_cleanup_restore_inferior_thread_state,
discard_inferior_thread_state,
get_inferior_thread_state_regcache): New functions.
(inferior_status): Move stop_signal, stop_pc, registers to
inferior_thread_state. Remove restore_stack_info.
(save_inferior_status): Remove arg restore_stack_info.
All callers updated. Remove saving of state now saved by
save_inferior_thread_state.
(restore_inferior_status): Remove restoration of state now done by
restore_inferior_thread_state.
(discard_inferior_status): Remove freeing of registers, now done by
discard_inferior_thread_state.
* gdb.base/call-signal-resume.exp: New file.
* gdb.base/call-signals.c: New file.
* gdb.base/unwindonsignal.exp: New file.
* gdb.base/unwindonsignal.c: New file.
* gdb.threads/interrupted-hand-call.exp: New file.
* gdb.threads/interrupted-hand-call.c: New file.
* gdb.threads/thread-unwindonsignal.exp: New file.
* elf32-cris.c (elf_cris_copy_indirect_symbol): For other symbol
types than bfd_link_hash_indirect, before early return, call
_bfd_elf_link_hash_copy_indirect.
Nick Clifton [Mon, 19 Jan 2009 15:46:31 +0000 (15:46 +0000)]
* gas/arm/attr-syntax.d: Do not run for non-ELF based ARM targets.
* config/tc-arm.h (CONVERT_SYMBOLIC_ATTRIBUTE): Only define for
ELF format ARM targets.
* config/tc-arm.c (arm_convert_symbolic_attribute): Likewise.
Andrew Stubbs [Mon, 19 Jan 2009 11:50:31 +0000 (11:50 +0000)]
2009-01-19 Andrew Stubbs <ams@codesourcery.com>
bfd/
* elf-attrs.c (is_default_attr): Support defaultless attributes.
(bfd_elf_add_obj_attr_int): Get type from _bfd_elf_obj_attrs_arg_type.
(bfd_elf_add_obj_attr_string): Likewise.
(bfd_elf_add_obj_attr_int_string): Likewise.
(_bfd_elf_parse_attributes): Allow for unknown flag bits in type.
* elf-bfd.h (struct obj_attribute): Document new flag bit.
* elf32-arm.c (elf32_arm_obj_attrs_arg_type): Specify that
Tag_nodefaults has no default value.
(elf32_arm_merge_eabi_attributes): Modify the Tag_nodefaults
comment to reflect the new state.
gas/
* read.c (s_vendor_attribute): Allow for unknown flag bits in type.
Doug Evans [Mon, 19 Jan 2009 00:16:46 +0000 (00:16 +0000)]
* regcache.c (new_register_cache): No need to check result of xcalloc.
* server.c (handle_search_memory): Back out calls to xmalloc,
result is checked and error is returned to user upon failure.
(handle_query): Ditto. Add more checks for result of malloc.
(handle_v_cont): Check result of malloc, report error back to
user upon failure.
(handle_v_run): Ditto. Call freeargv.
* server.h (freeargv): Declare.
* utils.c (freeargv): New fn.
* cris/sim-if.c: Include errno.h.
(cris_start_address, cris_program_offset): New variables.
(OPTION_CRIS_PROGRAM_OFFSET, OPTION_CRIS_STARTADDR): New option
enums.
(cris_options): New options --cris-program-offset and
--cris-start-address.
(cris_option_handler): Handle new options.
(cris_program_offset_write, cris_set_section_offset_iterator)
(cris_offset_sections, cris_offset_sections): New functions.
(sim_load): Use cris_program_offset_write as function argument to
cris_load_elf_file, not sim_write.
(struct offsetinfo): New struct.
(cris_handle_interpreter): Fix typo in comment.
(sim_open): Call cris_offset_sections as soon as the bfd of the
infile is available. Gate bfd validity checks on abfd non-NULL.
(sim_create_inferior): Let cris_start_address when != -1 override
other start-address choices.
Pedro Alves [Sun, 18 Jan 2009 21:28:39 +0000 (21:28 +0000)]
* tui/tui-disasm.c (tui_vertical_disassem_scroll): Scroll one line
at a time, times NUM_TO_SCROLL.
* tui/tui-winsource.c (tui_horizontal_source_scroll): Don't try to
fetch the selected frame if there is no stack.
Pedro Alves [Sun, 18 Jan 2009 17:42:16 +0000 (17:42 +0000)]
PR gdb/9747:
* gdbthread.h (finish_thread_state, finish_thread_state_cleanup):
Declare.
* thread.c (finish_thread_state, finish_thread_state_cleanup): New.
* infrun.c (wait_for_inferior, fetch_inferior_event): If an error
is thrown while handling an event, finish the thread state.
(normal_stop): Use finish_thread_state cleanup.
* infcmd.c (run_command_1): If an error is thrown while starting
the inferior, finish the thread state.
Nick Roberts [Sat, 17 Jan 2009 20:39:52 +0000 (20:39 +0000)]
(thread_command): Move call to annotate_thread_changed
to...
(do_captured_thread_select): ... here, to avoid printing an
annotation if the thread change generates an exception.