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65 commits

Author SHA1 Message Date
Ian Lance Taylor
a5a835ffd8 * ecoff.c (ecoff_mkobject_hook): Don't set SEC_SHARED_LIBRARY flag
for .reginfo section here.
	(ecoff_new_section_hook): Set it here instead.
1994-01-07 20:43:55 +00:00
Ian Lance Taylor
966e0a16b8 * ecoff.c: First cut at new style of linker backend for
ECOFF--added a bunch of functions.  Also:
	(ecoff_sec_to_styp_flags): Set flags for .pdata and .xdata.
	(ecoff_slurp_symbolic_header): New function.
	(ecoff_slurp_symbolic_info): Call ecoff_slurp_symbolic_header.
	(ecoff_compute_reloc_file_positions): New function.
	(ecoff_set_section_contents): Get out quickly if count is zero.
	Check errors better.
	(ecoff_write_object_contents): Put .xdata section in data segment.
	Call ecoff_compute_reloc_file_positions.  Don't output relocs or
	external symbols if outsymbols is NULL.
	(ecoff_bfd_final_link): Completely rewritten.
	* libecoff.h: Include bfdlink.h.
	(struct ecoff_backend_data): Add relocate_section field.
	(ecoff_data_type): Add sym_hashes and symndx_to_section fields.
	(struct ecoff_link_hash_entry): Define.
	(struct ecoff_link_hash_table): Define.
	(ecoff_bfd_link_add_symbols): Declare as function, not macro.
	(ecoff_bfd_link_hash_table_create): Likewise.
	* ecofflink.c (bfd_ecoff_debug_one_external): New function.
	(bfd_ecoff_debug_externals): Call bfd_ecoff_debug_one_external.
	* bfd-in.h (bfd_ecoff_debug_one_external): Declare.
	* bfd-in2.h: Rebuilt.
	* coff-alpha.c (alpha_howto_table): Mark BRADDR as
	partial_inplace, and set the src_mask to 0x1fffff.
	(alpha_ecoff_get_relocated_section_contents): Remove unused
	variable gp_warned.
	(alpha_convert_external_reloc): New static function.
	(alpha_relocate_section): New static function.
	(alpha_ecoff_backend_data): Initialize relocate_section field.
	* coff-mips.c (mips_relocate_refhi): New static function.
	(mips_relocate_section): New static function.
	(mips_ecoff_backend_data): Initialize relocate_section field.
1994-01-06 20:04:43 +00:00
Ian Lance Taylor
b59f0276fa * libbfd-in.h (struct artdata): Added tdata field.
(_bfd_add_bfd_to_archive_cache): Declare.
	(_bfd_snarf_ar_hdr): Renamed from snarf_ar_hdr.
	* libbfd.h: Rebuilt.
	* archive.c: Cleaned up some more.
	(_bfd_generic_mkarchive, bfd_generic_archive_p): Initialize
	pointer elements of artdata.
	(_bfd_add_bfd_to_archive_cache): Renamed from add_bfd_to_cache.
	(_bfd_snarf_ar_hdr): Renamed from snarf_ar_hdr.
	(get_extended_arelt_filename, get_elt_at_filepos,
	bfd_construct_extended_name_table, bfd_ar_hdr_from_filesystem,
	compute_and_write_armap): Made static.
	* ecoff.c: Some comment changes.
	(ecoff_slurp_armap): Handle rename of snarf_ar_hdr.  Set
	ardata->tdata to raw_armap.
	(ecoff_archive_p): Initialize pointer elements of artdata.
	* coff-rs6000.c (rs6000coff_get_elt_at_filepos): Handle rename of
	add_bfd_to_cache.
1994-01-03 18:05:19 +00:00
Ian Lance Taylor
728472f170 Minor cleanups suggested by CodeCenter.
* aoutx.h, coffgen.c, ecoff.c, ecofflink.c, elf.c, libbfd.c,
	linker.c, reloc.c, section.c, srec.c: Added /*ARGSUSED*/ as
	appropriate.
	* aoutx.h (struct external_exec): Removed unnecessary declaration.
	(NAME(aout,some_aout_object_p)): Set some tdata pointers to NULL.
	(adjust_z_magic): Removed useless variable data_vma.
	(stringtab_init): Initialize hash_zero.
	(add_to_stringtab): Removed unused fourth argument.
	(NAME(aout,swap_std_reloc_out)): Removed useless variable
	r_addend.
	(aout_link_input_section): Added some casts.
	* archive.c (get_extended_arelt_filename, do_slurp_coff_armap,
	bfd_ar_hdr_from_filesystem, bsd_write_armap, coff_write_armap):
	Minor code rewriting to make it more C like.
	(do_slurp_bsd_armap): Added some casts.
	* ecoff.c (ecoff_write_object_contents): Removed useless variable
	scn_base.
	(ecoff_write_armap): Added some casts.  Use "" rather than "\0".
	* ecofflink.c (bfd_ecoff_write_debug): Added a cast.
	* libaout.h (struct internal_exec): Removed unnecessary
	declaration.
	* linker.c (_bfd_generic_indirect_link_order): Added a cast.
	* opncls.c (new_bfd): Removed a cast.
	* reloc.c (bfd_generic_get_relocated_section_contents): Added
	some casts.
	* srec.c (internal_srec_write_object_contents): Removed useless
	variable bytes_written.
1993-12-31 21:51:05 +00:00
Ian Lance Taylor
4c3721d514 Extensive changes to move the bulk of the linker into BFD so that
more efficient backend code can be written for specific object
	files.  Only existing efficient backend is a.out.
	* seclet.c, seclet.h: Removed.
	* hash.c, linker.c, genlink.h: New files.
	* bfd-in.h: Removed bfd_error_vector.  Declared hash table
	structures and functions.
	(JUMP_TABLE): Removed bfd_seclet_link, added
	bfd_link_hash_table_create, bfd_link_add_symbols and
	bfd_final_link.
	* All backends: Changed accordingly.
	* bfd-in2.h: Rebuilt.
	* bfd.c (struct _bfd): Added link_next and archive_pass fields.
	Removed ld_symbols field.
	(bfd_nonrepresentable_section, bfd_undefined_symbol,
	bfd_reloc_value_truncated, bfd_reloc_is_dangerous,
	bfd_error_vector): Removed.
	(bfd_default_error_trap, bfd_error_trap,
	bfd_error_nonrepresentabltrap): Removed.
	(bfd_get_relocated_section_contents): Pass link_info.  Pass
	link_order instead of seclet.  Pass symbols.
	(bfd_relax_section): Pass link_info.
	(bfd_seclet_link): Removed.
	(bfd_link_hash_table_create, bfd_link_add_symbols,
	bfd_final_link): New macros.
	* libbfd-in.h: If __GNUC__ is defined and alloca is not, define
	alloca as __builtin_alloca.  Declare internal linking functions.
	* libbfd.h: Rebuilt.
	* libbfd.c (bfd_seek): Comment out fseek assertion.  It's worked
	for months.
	* reloc.c (reloc_howto_type): Added error_message argument to
	special_function field.  Changed all callers and all definitions.
	(bfd_get_reloc_size): Make argument a const pointer.
	(bfd_perform_relocation): Add error_message argument to hold
	string set if return value if bfd_reloc_dangerous.  Changed all
	callers.
	(_bfd_final_link_relocate, _bfd_relocate_contents): New functions.
	* section.c (asection): Renamed seclets_head and seclets_tail to
	link_order_head and link_order_tail.
	* targets.c (bfd_target): Replaced seclet argument with link_info
	and link_order and symbols arguments in
	bfd_get_relocated_section_contents.  Added symbols argument to
	bfd_relax_section.  Removed bfd_seclet_link.  Added
	bfd_link_hash_table_create, bfd_link_add_symbols and
	bfd_final_link.
	* libaout.h (struct aoutdata): Added external_syms,
	external_sym_count, external_strings, sym_hashes fields.
	(obj_aout_external_syms, obj_aout_external_sym_count,
	obj_aout_external_strings, obj_aout_sym_hashes): New accessor
	macros.
	(WRITE_HEADERS): Only output symbols if outsymbols is not NULL.
	* aoutx.h: Wrote new back end linker routines.
	(translate_to_native_sym_flags): Return boolean value.  Don't use
	bfd_error_vector.
	(NAME(aout,write_syms)): Return boolean value.  Check return value
	of translate_to_native_sym_flags and bfd_write.
	* aout-target.h (final_link_callback): New function.
	(MY_bfd_final_link): New function.
	* aout-adobe.c (aout_adobe_write_object_contents): Check return
	value of aout_32_write_syms.
	* hp300hpux.c (MY(write_object_contents)): Likewise.
	* i386lynx.c (WRITE_HEADERS): Likewise.
	* libaout.h (WRITE_HEADERS): Likewise.
	* bout.c: Changed functions to use link_info->callbacks rather
	than bfd_error_vector, and link_orders rather than seclets.
	* coff-alpha.c: Likewise.
	* coff-h8300.c: Likewise.
	* coff-h8500.c: Likewise.
	* coff-sh.c: Likewise.
	* coff-z8k.c: Likewise.
	* elf32-hppa.c: Likewise.
	* reloc16.c: Likewise.
	* coff-alpha.c (alpha_ecoff_get_relocated_section_contents): Look
	up _gp in the hash table rather than in outsymbols.
	* coff-a29k.c (a29k_reloc): Pass errors back in new error_message
	argument rather than printing them.
	* coffcode.h (bfd_coff_reloc16_extra_cases): Take link_info and
	link_order arguments rather than seclet.  Changed all uses and
	definitions.
	(bfd_coff_reloc16_estimate): Pass link_info arguments.  Changed
	all uses and definitions.
	* libcoff.h: Rebuilt.
	* ecoff.c (ecoff_get_extr): If symbol is defined by linker, but
	not by ECOFF, make it scAbs.
	(ecoff_bfd_final_link): Renamed from ecoff_bfd_seclet_link and
	rewritten.
	* elf32-mips.c (mips_elf_final_link): Renamed from
	mips_elf_seclet_link and rewritten.
	* elf32-hppa.c (elf32_hppa_stub_description): Added link_info
	field.
	(new_stub, add_stub_by_name, hppa_elf_build_arg_reloc_stub,
	hppa_elf_build_long_branch_stub, hppa_look_for_stubs_in_section):
	Added link_info arguments.  Changed all callers.
	* elfcode.h (elf_slurp_symbol_table): Don't quit if outsymbols is
	not NULL.
	* oasys.c (oasys_write_sections): Return boolean value rather than
	using bfd_error_vector.
	(oasys_write_object_contents): Check return value of
	oasys_write_sections.
	* hosts/std-host.h: Don't declare qsort or strtol.
	* Makefile.in: Rebuild dependencies.
	(BFD_LIBS): Removed seclet.o.  Added hash.o and linker.o.
	(CFILES): Removed seclet.c.  Added hash.c and linker.c.
	(HFILES): Removed seclet.h.  Added genlink.h.
1993-12-30 19:56:50 +00:00
Ian Lance Taylor
8d12f138ea * ecofflink.c: New file to hold ECOFF debug information linking
routines.
	* ecoff.c (ecoff_clear_output_flags, ecoff_rel, ecoff_dump_seclet,
	ecoff_add_string, ecoff_get_debug): Removed.  Functionality now in
	ecofflink.c.
	(ecoff_get_extr, ecoff_set_index): New functions.
	(ecoff_slurp_symbolic_info): Don't save raw_size.
	(ecoff_bfd_seclet_link): Rewrote to use ecofflink.c functions.
	(ecoff_compute_section_file_positions): Don't set EXEC_P just
	because there is a start address.
	(ecoff_write_object_contents): Handle external symbols here.  Use
	ecofflink.c functions to write out debugging information.
	* elf32-mips.c (mips_elf_read_ecoff_info, mips_elf_get_extr,
	mips_elf_set_index): New functions.
	(mips_elf_seclet_link): Discard empty sections, the .options
	section and .gptab sections.  Handle linking .mdebug section.
	* libecoff.h (ecoff_data_type): Removed raw_size and ifdbase.
	* libelf.h (elf_symbol_type): Added mips_extr to tc_data union.
	* bfd-in.h: Added prototypes for routines in ecofflink.c (some are
	called by gas, so they are public).
	* bfd-in2.h: Rebuilt.
	* Makefile.in (BFD_LIBS): Added ecofflink.o.
	(CFILES): Added ecofflink.c.
	(ecofflink.o): New target.  Rebuilt dependencies.
1993-11-24 07:21:28 +00:00
Ian Lance Taylor
c9668c588a * libecoff.h: Include coff/ecoff.h.
(struct ecoff_backend_data): Move external debugging information
	fields into a single field pointing to an ecoff_debug_swap
	structure.
	(ecoff_data_type): Move debugging information fields into a single
	field pointing to an ecoff_debug_info structure.
	* coff-alpha.c, coff-mips.c, ecoff.c: Corresponding changes.
1993-11-18 00:07:33 +00:00
Ian Lance Taylor
a785321604 * ecoff.c (ecoff_mkobject): Check bfd_make_section return value.
(ecoff_mkobject_hook): New function.
	(ecoff_new_section_hook, ecoff_sizeof_headers,
	ecoff_compute_section_file_positions, ecoff_set_section_contents,
	ecoff_write_object_contents): Handle dummy REGINFO section.
	(ecoff_get_section_contents): New function to handle reading
	REGINFO section.
	* libecoff.h (ecoff_get_section_contents): Change from macro
	definition to function prototype.
	(ecoff_mkobject_hook): New prototype.
	* coff-alpha.c (alpha_ecoff_mkobject_hook): Removed.
	(alpha_ecoff_backend_data): Use ecoff_mkobject_hook.
	* coff-mips.c (mips_ecoff_mkobject_hook): Removed.
	(mips_ecoff_backend_data): Use ecoff_mkobject_hook.
1993-10-11 21:38:38 +00:00
Ian Lance Taylor
e544ed4f3d * ecoff.c (ecoff_compute_section_file_positions): Set filepos for
sections with SEC_LOAD set, even if SEC_HAS_CONTENTS is clear.
	(ecoff_write_object_contents): Don't set scnptr to zero just
	because size of section is zero.  Needed for Irix 4.0.5F.
1993-09-22 20:49:57 +00:00
Ian Lance Taylor
8f46bac815 * coff-aplha.alpha.c (alpha_howto_table, alpha_finish_reloc,
alpha_ecoff_swap_reloc_{in,out}, alpha_bfd_reloc_type_lookup):
	Read and write Alpha relocs.  Can't process them yet.
	* ecoff.c (ecoff_slurp_reloc_table): Recognize new reloc sections.
	If the section does not already exist, create it.
1993-08-12 22:15:25 +00:00
Ian Lance Taylor
3036933a88 * ecoff.c (ecoff_slurp_armap): Correct bug in initialization of
stringbase.
1993-08-09 18:32:39 +00:00
Ian Lance Taylor
70bec8b806 * ecoff.c (ecoff_set_symbol_info): Removed special handling for
scBss and scSBss symbols, since it was wrong.
1993-08-06 20:04:22 +00:00
Ian Lance Taylor
8c11363a29 * ecoff.c (ecoff_slurp_armap): From Arne Henrik Juul
<arnej@kari.fm.unit.no>: Handle a COFF style armap.
1993-08-06 16:39:44 +00:00
Ian Lance Taylor
48edba8191 With these changes, the binutils mostly work on the Alpha, except for
objdump -r.

	* coffswap.h: Added macros used when accessing several fields;
	default is the same as before.
	(coff_swap_aouthdr_{in,out}): Handle the Alpha ECOFF fields.
	* coff-alpha.c: Defined macros to use the right sizes in
	coffswap.h.
	* libecoff.h: Backend information is now in target vector, not
	BFD.  Start of backend information is COFF backend information.
	* coff-alpha.c, coff-mips.c: Changed accordingly.
	* ecoff.c (ecoff_mkobject): New function.
	(ARMAP_START): Changed into backend information, since Alpha uses
	a different name.
	(ecoff_slurp_armap): Don't overlay archive header.
	* bfd.c: Include libcoff.h.
1993-08-04 01:37:25 +00:00
Ian Lance Taylor
dae31cf51b * ecoff.c: New file for generic ECOFF functions.
* ecoffswap.h: New file for ECOFF swapping functions which differ
	only slightly for different targets.
	* libecoff.h: Added prototypes for ecoff.c functions.
	(ecoff_backend_data): New structure.
	(ecoff_tdata): Added backend_data field.  Changed external data
	pointers to be PTR rather than to a particular struct.
	(ecoff_symbol_struct): Moved in from coff-mips.c.
	* coff-alpha.c, coff-mips.c: Moved common functions into ecoff.c.
	Added ECOFF backend structures.  Include ecoffswap.h.
	* coff-msym.c: Removed; superseded by ecoffswap.h.
	* bfd.c: Include coff/internal.h.
	* Makefile.in (BFD_LIBS): Removed coff-mips.o and coff-msym.o.
	Added ecoff.o.
	(BFD64_BACKENDS): Added coff-alpha.o.
	(CFILES): Removed coff-msym.c.  Added ecoff.c.
	(bfd.o): Added dependency on $(INCDIR)/coff/sym.h.
	(coff-mips.o): Added dependency on ecoffswap.h and coff/ecoff.h.
	(ecoff.o, coff-alpha.o): New targets.
	(coff-msym.o): Removed target.
1993-08-03 20:22:47 +00:00