Iain Sandoe
16a8742098
provide a hook to allow checking errors just before we output the file.
...
gas:
* write.c (write_object_file): Add md_pre_output_hook.
* config/obj-macho.c (obj_mach_o_check_before_writing): New.
(obj_mach_o_pre_output_hook): New.
* config/obj-macho.h (md_pre_output_hook): Define.
(obj_mach_o_pre_output_hook): Declare.
2012-02-21 13:39:37 +00:00
Iain Sandoe
cdaa5616cb
2012-02-21 Tristan Gingold <gingold@adacore.com>
...
* config/tc-i386.h (OBJ_MACH_O): New section.
(TC_FORCE_RELOCATION): Use obj_mach_o_force_reloc.
(TC_FORCE_RELOCATION_SUB_SAME): New
(TC_FORCE_RELOCATION_SUB_LOCAL): New.
(TC_VALIDATE_FIX_SUB): New.
* frags.h (struct frag): OBJ_FRAG_TYPE, new field.
* symbols.c (colon): obj_frob_colon: New hook.
* write.c (write_object_file): md_pre_relax_hook, new
hook.
* config/obj-macho.c (obj_mach_o_frob_colon): New.
(obj_mach_o_frob_label): Record sub-section labels.
(obj_mach_o_frob_symbol): Rename from obj_macho_frob_symbol.
(obj_mach_o_set_subsections): New.
(obj_mach_o_pre_relax_hook): New.
(obj_mach_o_in_different_subsection): New.
(obj_mach_o_force_reloc_sub_same): New.
(obj_mach_o_force_reloc_sub_local): New.
(obj_mach_o_force_reloc): New.
* config/obj-macho.h (OBJ_SYMFIELD_TYPE): New.
(obj_frob_colon): New Define.
(obj_mach_o_frob_label): Renamed.
(obj_mach_o_frob_symbol): Renamed.
(OBJ_FRAG_TYPE): New.
(obj_mach_o_in_different_subsection, obj_mach_o_force_reloc,
obj_mach_o_force_reloc_sub_same,
obj_mach_o_force_reloc_sub_local): New declarations.
2012-02-21 09:13:02 +00:00
Iain Sandoe
854ac8ba3b
gas:
...
* config/obj-macho.c (obj_mach_o_is_frame_section): New.
(obj_mach_o_allow_local_subtract): New.
* config/obj-macho.h (md_allow_local_subtract): Define.
(obj_mach_o_allow_local_subtract): Declare.
2012-02-20 20:11:32 +00:00
Iain Sandoe
a5759139f8
gas:
...
* config/obj-macho.c (obj_mach_o_make_or_get_sect): In the absence of
canonical information, try to determine CODE and DEBUG section flags
from the mach-o section data.
2012-02-20 19:44:40 +00:00
Iain Sandoe
8e43fc024d
gas:
...
* config/obj-macho.c (obj_mach_o_indirect_symbol): Force promotion of
any local symbol used as an indirect.
2012-02-12 15:47:17 +00:00
Iain Sandoe
fb4914b0e6
gas:
...
* config/obj-macho.c (obj_mach_o_make_or_get_sect): Always fill in
stub size when provided. (obj_mach_o_section): Flag that stub-size
has been provided.
2012-02-10 13:12:55 +00:00
Tristan Gingold
facf03f2c3
bfd/
...
2012-02-02 Tristan Gingold <gingold@adacore.com>
* mach-o.c (bfd_mach_o_read_header): Silent uninitialized
variable warning.
gas/
2012-02-02 Tristan Gingold <gingold@adacore.com>
* config/obj-macho.c (obj_mach_o_zerofill): Silent
uninitialized variable warning.
2012-02-02 11:55:43 +00:00
Iain Sandoe
34dd18bca5
reverse the order of relocs in mach-o gas output.
...
gas:
* config/obj-macho.c (obj_mach_o_reorder_section_relocs): New.
* config/obj-macho.h (SET_SECTION_RELOCS): Define.
(obj_mach_o_reorder_section_relocs): Declare.
gas/testsuite:
* gas/all/redef2.d: Skip for Darwin.
* gas/all/redef3.d: Likewise.
* gas/all/weakref1.d: Likewise.
* gas/macros/irp.d: Likewise.
* gas/macros/repeat.d: Likewise.
* gas/macros/rept.d: Likewise.
* gas/macros/test2.d: Likewise.
* gas/macros/vararg.d: Likewise.
* gas/mach-o/macro-irp.d: New.
* gas/mach-o/macro-repeat.d: New.
* gas/mach-o/macro-rept.d: New.
* gas/mach-o/macro-test2.d: New.
* gas/mach-o/macro-vararg.d: New.
* gas/mach-o/redef2.d: New.
* gas/mach-o/redef3.d: New.
2012-01-13 15:19:13 +00:00
Iain Sandoe
687be931eb
handle absolute indirect syms in mach-o
...
bfd:
* mach-o.c (bfd_mach_o_build_dysymtab_command): Handle absolute
indirect symbols.
gas:
* config/obj-macho.c (obj_mach_o_set_indirect_symbols): Handle
absolute indirect symbols.
gas/testsuite:
* gas/mach-o/dysymtab-3.d: New.
* gas/mach-o/symbols-7.s: New.
2012-01-13 12:59:30 +00:00
Iain Sandoe
c3402d2056
set vma on mach-o sections.
...
gas:
* config/obj-macho.c (obj_mach_o_set_vma_data): New type.
(obj_mach_o_set_section_vma): New.
(obj_mach_o_post_relax_hook): New.
* config/obj-macho.h (md_post_relax_hook): Define.
(obj_mach_o_post_relax_hook): Declare.
gas/testsuite:
* gas/mach-o/dysymtab-2.d: Update to include the set VMA.
* gas/mach-o/symbols-1-64.d: Likewise.
* gas/mach-o/symbols-1.d: Likewise.
* gas/mach-o/symbols-6.d: Likewise.
* gas/mach-o/zerofill-1.d: Likewise.
* gas/mach-o/zerofill-2.d: Likewise.
2012-01-13 11:55:02 +00:00
Iain Sandoe
50d10658ee
add indirect_symbol to mach-o port.
...
bfd:
* mach-o.c (bfd_mach_o_count_indirect_symbols): New.
(bfd_mach_o_build_dysymtab_command): Populate indirect symbol table.
* mach-o.h (bfd_mach_o_asymbol): Move declaration to start of the
file. (bfd_mach_o_section): Add indirect_syms field.
gas:
* config/obj-macho.c (obj_mach_o_set_symbol_qualifier): Switch off
lazy when the symbol is private_extern.
(obj_mach_o_indirect_sym): New type.
(obj_mach_o_indirect_symbol): New.
(mach_o_pseudo_table): Use obj_mach_o_indirect_symbol.
(obj_macho_frob_label): Adjust to avoid adding bsyms for locals.
(obj_macho_frob_label): Likewise. Adjust external and comm
symbol tests.
(obj_mach_o_set_indirect_symbols): New.
(obj_mach_o_frob_file_after_relocs): New.
*config/obj-macho.h (obj_frob_file_after_relocs): Define.
(obj_mach_o_frob_file_after_relocs): Declare.
include/mach-o:
* loader.h (BFD_MACH_O_INDIRECT_SYM_LOCAL): New.
(BFD_MACH_O_INDIRECT_SYM_ABS): New
gas/testsuite:
* gas/mach-o/dysymtab-2.d: New.
* gas/mach-o/err-syms-4.s: New.
* gas/mach-o/err-syms-5.s: New.
* gas/mach-o/err-syms-6.s: New.
* gas/mach-o/symbols-6-64.d: New.
* gas/mach-o/symbols-6-64.s: New.
* gas/mach-o/symbols-6.d: New.
* gas/mach-o/symbols-6.s: New.
2012-01-12 14:03:12 +00:00
Iain Sandoe
b22161d698
add symbol qualifiers for mach-o to bfd/gas
...
bfd:
* mach-o.c (bfd_mach_o_bfd_copy_private_symbol_data): Implement.
(bfd_mach_o_write_symtab): Remove handling for indirect syms.
(bfd_mach_o_primary_symbol_sort_key): Likewise.
(bfd_mach_o_cf_symbols): Likewise.
(bfd_mach_o_sort_symbol_table): Remove.
(bfd_mach_o_mangle_symbols): Adjust arguments, remove handling
for indirect and dysymtab counts. Do the symbol sorting here.
(bfd_mach_o_build_dysymtab_command): Count the symbol types here.
Make the indirect symbols a TODO.
(bfd_mach_o_build_commands): Adjust call to bfd_mach_o_mangle_symbols.
(bfd_mach_o_make_empty_symbol): Specifically flag unset symbols with
a non-zero value.
(bfd_mach_o_read_symtab_symbol): Record the symbol index.
(bfd_mach_o_read_symtab_symbol): Adjust recording of global status.
* mach-o.h (mach_o_data_struct): Remove indirect and dysymtab entries.
(IS_MACHO_INDIRECT): Remove.
(SYM_MACHO_FIELDS_UNSET, SYM_MACHO_FIELDS_NOT_VALIDATED): New.
gas:
* config/obj-macho.c (obj_mach_o_weak): Remove.
(obj_mach_o_common_parse): Set symbol qualifiers.
(LAZY, REFE): New macros.
(obj_mach_o_symbol_type): New enum.
(obj_mach_o_set_symbol_qualifier): New.
(obj_mach_o_sym_qual): New.
(mach_o_pseudo_table): Add symbol qualifiers, set indirect_symbol to
a dummy function.
(obj_mach_o_type_for_symbol): New.
(obj_macho_frob_label): New.
(obj_macho_frob_symbol): New.
* config/obj-macho.h (S_SET_ALIGN): Amend temorary var name.
(obj_frob_label, obj_macho_frob_label): Declare.
(obj_frob_symbol, obj_macho_frob_symbol): Declare.
gas/testsuite:
* gas/mach-o/err-syms-1.s: New.
* gas/mach-o/err-syms-2.s: New.
* gas/mach-o/err-syms-3.s: New.
* gas/mach-o/symbols-2.d: New.
* gas/mach-o/symbols-2.s: New.
* gas/mach-o/symbols-3.s: New.
* gas/mach-o/symbols-4.s: New.
* gas/mach-o/symbols-5.d: New.
* gas/mach-o/symbols-5.s: New.
2012-01-09 10:47:50 +00:00
Iain Sandoe
8cf6e08400
add .zerofill to mach-o GAS.
...
gas:
* config/obj-macho.c (obj_mach_o_segT_from_bfd_name): Tidy definition.
(obj_mach_o_get_section_names): New (split from obj_mach_o_section).
(obj_mach_o_make_or_get_sect): Likewise.
(obj_mach_o_section): Split out the functionality shared with zerofill.
(obj_mach_o_zerofill): New.
(obj_mach_o_common_parse): Ensure whitespace is skipped.
(mach_o_pseudo_table): Add .zerofill.
gas/testsuite:
* gas/mach-o/zerofill-1.d: New.
* gas/mach-o/zerofill-1.s: New.
2012-01-04 10:59:54 +00:00
Iain Sandoe
68588f9540
support stabs on mach-o GAS.
...
bfd:
* mach-o.c (bfd_mach_o_mangle_symbols): Put in the section index
for stabd symbols.
(bfd_mach_o_primary_symbol_sort_key): Adjust for stabs.
(bfd_mach_o_cf_symbols): Likewise.
gas:
* config/obj-macho.c (obj_macho_process_stab): New.
* config/obj-macho.h (OBJ_PROCESS_STAB): Define.
(obj_macho_process_stab): Declare.
2012-01-03 13:18:48 +00:00
Iain Sandoe
bcf0aac6f6
adjust mach-o default GAS sections.
...
gas:
* as.c (perform_an_assembly_pass): Do not create text, data and bss
sections for MACH-O. Do not switch to the text section.
* config/obj-macho.c (obj_mach_o_segT_from_bfd_name): Forward decl.
(mach_o_begin): Startup with only text section unless suppressed.
* config/obj-macho.h (obj_begin): define to mach_o_begin ().
gas/testsuite:
* gas/mach-o/sections-1.d: Amend to recognize that bss is not emitted
by default.
* gas/mach-o/sections-2.d: New.
2011-12-29 10:53:10 +00:00
Iain Sandoe
ab76eeafa5
bfd:
...
* mach-o-i386.c (bfd_mach_o_section_type_valid_for_tgt): Define NULL.
* mach-o-target.c (bfd_mach_o_backend_data): Initialize bfd_mach_o_section_type_valid_for_tgt
* mach-o-x86-64.c (bfd_mach_o_section_type_valid_for_x86_64): New.
(bfd_mach_o_section_type_valid_for_tgt): Set to bfd_mach_o_section_type_valid_for_x86_64.
* mach-o.c (bfd_mach_o_section_type_name): Reorder and eliminate dup.
(bfd_mach_o_section_attribute_name): Reorder.
(bfd_mach_o_get_section_type_from_name): If the target has defined a validator for section
types, then use it.
* mach-o.h (bfd_mach_o_get_section_type_from_name): Alter declaration to include the bfd.
gas:
* config/obj-macho.c (obj_mach_o_section): Account for target-dependent section
types. Improve error handling when wrong section types/attributes are specified.
gas/testsuite:
* gas/mach-o/err-sections-1.s: New.
* gas/mach-o/err-sections-2.s: New.
* gas/mach-o/sections-3.d: New.
* gas/mach-o/sections-3.s: New.
2011-12-19 15:42:37 +00:00
Tristan Gingold
499963bcf1
2011-12-15 Tristan Gingold <gingold@adacore.com>
...
* config/obj-macho.c (obj_mach_o_fileprop): Fix typo.
2011-12-15 11:43:52 +00:00
Tristan Gingold
0c9ef0f001
bfd/
...
2011-12-15 Iain Sandoe <iains@gcc.gnu.org>
* mach-o-target.c (bfd_mach_o_bfd_set_private_flags): Use
bfd_mach_o_bfd_set_private_flags.
* mach-o.c (bfd_mach_o_bfd_set_private_flags): New.
* mach-o.h (bfd_mach_o_bfd_set_private_flags): Declare.
gas/
2011-12-15 Iain Sandoe <iains@gcc.gnu.org>
* config/obj-macho.c (obj_mach_o_subsections_by_symbols): New global.
(obj_mach_o_file_properties): New enum.
(obj_mach_o_subsections_via_symbols): Generalize name to...
... (obj_mach_o_fileprop) and use to set subsections_via_symbols.
gas/testsuite/
2011-12-15 Iain Sandoe <iains@gcc.gnu.org>
* gas/mach-o/subsect-via-symbols-0.d: New.
* gas/mach-o/subsect-via-symbols-1.d: New.
* gas/mach-o/subsect-via-symbols.s: New.
2011-12-15 10:56:48 +00:00
Tristan Gingold
a455111938
bfd/
...
2011-12-14 Iain Sandoe <iains@gcc.gnu.org>
* mach-o-i386.c (text_section_names_xlat): New table.
(data_section_names_xlat): Likewise.
(import_section_names_xlat): Likewise.
(mach_o_i386_segsec_names_xlat): Likewise.
(bfd_mach_o_tgt_seg_table): Use new tables.
* mach-o-x86-64.c (bfd_mach_o_tgt_seg_table): Set NULL.
* mach-o.c (mach_o_section_name_xlat, mach_o_segment_name_xlat):
Move to mach-o.h as typedefs.
(text_section_names_xlat): Update for current GCC usage.
(data_section_names_xlat): Likewise.
(dwarf_section_names_xlat): Likewise.
(objc_section_names_xlat): New table.
(segsec_names_xlat): Add objc table.
(bfd_mach_o_normalize_section_name): Replace with...
(bfd_mach_o_section_data_for_mach_sect): New.
(bfd_mach_o_section_data_for_bfd_name): New.
(bfd_mach_o_section_data_for_bfd_name): Update to use additional data.
(bfd_mach_o_convert_section_name_to_mach_o): Likewise.
(bfd_mach_o_bfd_copy_private_section_data): Implement.
(bfd_mach_o_write_symtab): Write a zero-length string as the first entry
for compatibility with system tools.
(bfd_mach_o_build_commands): Update section alignment info.
(bfd_mach_o_new_section_hook): Use translation table data to define
default section flags, type, attributes and alignment, when available.
(bfd_mach_o_init_section_from_mach_o): Add TODO comment.
(bfd_mach_o_section_type_name): Add 'symbol_stubs'.
(bfd_mach_o_section_attribute_name): Add 'self_modifying_code'.
(bfd_mach_o_get_section_type_from_name): Change "not-found" return
value.
(bfd_mach_o_tgt_seg_table): Set default NULL.
* mach-o.h (bfd_mach_o_segment_command): Use define for name length.
(bfd_mach_o_backend_data): Move until after contents are defined.
(bfd_mach_o_normalize_section_name): Remove.
(bfd_mach_o_convert_section_name_to_bfd): Declare.
(mach_o_section_name_xlat): Declare.
(mach_o_segment_name_xlat): Declare.
(bfd_mach_o_section_data_for_mach_sect): Declare.
(bfd_mach_o_section_data_for_bfd_name): Declare.
include/
2011-12-14 Iain Sandoe <iains@gcc.gnu.org>
* mach-o/loader.h (bfd_mach_o_section_type): define
BFD_MACH_O_S_ATTR_NONE to 0.
gas/
2011-12-14 Iain Sandoe <iains@gcc.gnu.org>
* config/obj-macho.c: Add some more top-level comments.
(collect_16char_name): New.
(obj_mach_o_section): Amend to allow syntax compatible with existing system
tools. Use section translation data when available.
(obj_mach_o_segT_from_bfd_name): New.
(known_sections): Update.
(obj_mach_o_known_section): Use obj_mach_o_segT_from_bfd_name.
(objc_sections): New.
(obj_mach_o_objc_section): New.
(debug_sections): New.
(obj_mach_o_debug_section): New.
(tgt_sections): New.
(obj_mach_o_opt_tgt_section): New.
(obj_mach_o_base_section): New.
(obj_mach_o_common_parse): Update to create BSS on demand and to handle
lcomm optional alignment param.
(obj_mach_o_comm): Update parameter name.
(obj_mach_o_placeholder): New.
(mach_o_pseudo_table): Update for GCC section directives.
* config/obj-macho.h (_OBJ_MACH_O_H): New.
(USE_ALIGN_PTWO): Define.
(S_SET_ALIGN) Define.
2011-12-14 10:30:09 +00:00
Tristan Gingold
74a6005fea
2011-08-08 Tristan Gingold <gingold@adacore.com>
...
* config/obj-macho.c (obj_mach_o_section): New function.
(struct known_section): New type.
(known_sections): Declare.
(obj_mach_o_known_section): New function.
(obj_mach_o_common_parse): Ditto.
(obj_mach_o_comm): Ditto.
(obj_mach_o_subsections_via_symbols): Ditto.
(mach_o_pseudo_table): Add new pseudos.
2011-08-08 12:20:01 +00:00
Tristan Gingold
e57f8c655c
2009-07-02 Tristan Gingold <gingold@adacore.com>
...
* Makefile.am (OBJ_FORMATS): Add macho.
(CPU_OBJ_VALID): Ditto.
(OBJ_FORMAT_CFILES): Add config/obj-macho.c
(OBJ_FORMAT_HFILES): Add config/obj-macho.h
(obj-macho.o): New rule.
* Makefile.in: Regenerated.
* configure.tgt (generic_target): Add i386-*-darwin*.
* config/tc-i386.h: Use i386_target_format for Mach-O.
* config/tc-i386.c (i386_target_format): Define it for Mach-O.
(i386_target_format): Add a case for bfd_target_mach_o_flavour.
* config/obj-macho.h: New file.
* config/obj-macho.c: New file.
2009-07-02 08:09:35 +00:00