Commit Graph

1144 Commits

Author SHA1 Message Date
Ian Lance Taylor e1f99f6068 * aoutx.h (adjust_z_magic): Make sure data section is padded to
page boundary when the VMA is set by the calling program.  From
	Eric Youngdale <ericy@cais.cais.com>.
1994-08-10 17:15:05 +00:00
Stan Shebs fb49a80173 Update to ns32k support, from Ian Dall (dall@hfrd.dsto.gov.au).
* aout-ns32k.c: Add declarations that were in aout-ns32k.h, change
	declarations to traditional form.
	(MY_reloc_howto, MY_put_reloc): Change from macro to function.
	(ns32k_relocate_contents): New function.
	* aout-ns32k.h: Remove.
	* cpu-ns32k.c: Add declarations that were in aout-ns32k.h, change
	declarations to traditional form.
	(ns32k_final_link_relocate): Call ns32k_relocate_contents.
	* netbsd532.c: Reformat to standards, add copyright notice.
	(ARCH): Don't define.
	(aout-ns32k.h): Don't include.
	* pc532-mach.c: Ditto.
1994-08-09 01:06:29 +00:00
Peter Schauer f20860cdbc * irix-core.c (irix_core_core_file_p): Ignore sections that
are not contained in the core file.
1994-08-07 13:26:46 +00:00
Jean Marie Diaz 7432993954 Fix up namespace handling in last patch. 1994-08-04 19:59:27 +00:00
Jean Marie Diaz 8337ee9d51 * coff-m68k.c (_bfd_coff_m68k_reloc_type_lookup): New function.
(coff_bfd_reloc_type_lookup): Define.
1994-08-04 16:38:05 +00:00
Jean Marie Diaz 203778cee1 * elfcode.h (elf_bfd_final_link): Force the vma of sections which
do not have SEC_ALLOC set to be 0.  This is needed to handle
	relocs against debugging sections.
1994-08-04 16:10:23 +00:00
Jean Marie Diaz 1b8a11d430 * coff-i960.c (coff_i960_relocate): Rewrote to change relocs
against locally defined symbols into relocs against section
	symbols, for VxWorks 5.1.
1994-08-03 20:51:59 +00:00
Jean Marie Diaz e696f6a9b9 Wed Aug 3 10:34:37 1994 Eric Youngdale (ericy@cais.cais.com)
* i386linux.c (linux_add_one_symbol): Only handle
	SHARABLE_CONFLICTS specially if BSF_CONSTRUCTOR is set.  Set hashp
	for a GOT or PLT symbol.  Set jump field of fixup for a PLT symbol.
	(linux_tally_symbols): Check section of real symbol.  When looking
	for a builtin fixup, check builtin and jump flags.  Create no more
	than one fixup, and always create one if the real symbol is in the
	absolute section.  Only strip absolute symbols.
1994-08-03 14:43:42 +00:00
David Henkel-Wallace 756b40d520 LynxOS changes 1994-08-03 13:45:11 +00:00
Jean Marie Diaz b2ea35c7ab * hp300hpux.c (BMAGIC): Define as HPUX_DOT_O_MAGIC, to make test
in aoutx.h work correctly.
1994-08-02 19:16:36 +00:00
Jean Marie Diaz 5e694c29a5 * coff-i960.c (coff_i960_relocate): New function.
(howto_rellong, howto_iprmed): Use it as special_function.
1994-08-02 15:26:26 +00:00
Jean Marie Diaz e0566e19aa * libbfd-in.h: Move declarations of bfd_read, bfd_write, bfd_seek,
bfd_tell, bfd_flush, and bfd_stat from here...
	* bfd-in.h: ...to here, to make them visible to programs which
	know more about the object file format than BFD does.
	* libbfd.h, bfd-in2.h: Rebuilt.
1994-08-02 14:48:21 +00:00
Jean Marie Diaz e21679173e Forgot to check this in. 1994-08-01 23:45:51 +00:00
Jean Marie Diaz 4ab1f94712 * elf64-sparc.c (ELF_MAXPAGESIZE): Define. 1994-08-01 23:29:31 +00:00
Jean Marie Diaz 99dd775492 ELF linker patches from Eric Youngdale <ericy@cais.cais.com>.
* elfcode.h (elf_link_create_dynamic_sections): Set type of
	_DYNAMIC to STT_OBJECT.
	(NAME(bfd_elf,record_link_assignment)): Always create hash table
	entry.  Set type to STT_OBJECT.
	(elf_link_output_extsym): Don't set type of weak defined symbol to
	STB_WEAK if symbol was referenced.
	* elf32-i386.c (elf_i386_create_dynamic_sections): Set type of
	_GLOBAL_OFFSET_TABLE to STT_OBJECT.
	(elf_i386_check_relocs): Ignore local PLT32 relocs.
	(elf_i386_relocate_section): Treat local PLT32 relocs as PC32.
1994-08-01 23:11:18 +00:00
Jean Marie Diaz 287e3ce228 Mon Aug 1 17:55:53 1994 Fred Fish (fnf@cygnus.com)
* ptrace-core.c (ptrace_unix_core_file_p):  Convert zalloc usage
	to bfd_zalloc.
1994-08-01 22:00:19 +00:00
Ian Lance Taylor 30e5ad97e9 * elfcode.h (elf_adjust_dynamic_symbol): Correct weak symbol
handling again.
1994-08-01 20:53:48 +00:00
Ian Lance Taylor d510fd893a * elfcode.h (elf_slurp_reloc_table): Don't try to read the relocs
if there aren't any.
1994-08-01 16:34:09 +00:00
Ian Lance Taylor abc61566c0 * configure.host (sparc-*-solaris2*): Use sysv4, not solaris2.
* hosts/solaris2.h: Remove.
	* config/solaris2.mh: Remove.
1994-08-01 16:16:47 +00:00
Jeff Law 58bbba79a2 * elf32-hppa.c, elf32-hppa.h: Update comment reflecting which
HPPA ELF spec the code implements.
1994-07-31 20:29:19 +00:00
Ken Raeburn b5b056fc38 i960xl changes (sanitized) 1994-07-27 00:21:43 +00:00
Ian Lance Taylor 9a402d7ac5 * elfcode.h (elf_adjust_dynamic_symbol): When handling a weak
symbol, correct check to see whether the equivalent normal symbol
	was referenced.
1994-07-26 19:34:14 +00:00
Ian Lance Taylor 374d2ef905 Add support for creating shared libraries under i386 ELF and SPARC
ELF.  Based on patches by Eric Youngdale <ericy@cais.cais.com>.
	* libelf.h (struct elf_link_hash_entry): Remove copy_offset field.
	Add got_offset and plt_offset fields.
	(ELF_LINK_HASH_REF_DYNAMIC_MULTIPLE): Don't define.
	(ELF_LINK_HASH_DEF_DYNAMIC_MULTIPLE): Don't define.
	(ELF_LINK_HASH_NEEDS_COPY): Define.
	(struct elf_backend_data): Add check_relocs field.
	(struct bfd_elf_section_data): Change relocs from PTR to
	Elf_Internal_Rela *.
	(struct elf_obj_tdata): Add local_got_offsets field.
	(elf_local_got_offsets): Define accessor macro.
	(bfd_elf32_link_create_dynamic_sections): Declare.
	(bfd_elf32_link_record_dynamic_symbol): Declare.
	(bfd_elf64_link_create_dynamic_sections): Declare.
	(bfd_elf64_link_record_dynamic_symbol): Declare.
	* elfcode.h (elf_slurp_reloc_table): Don't use the section data
	relocs field.
	(elf_link_record_dynamic_symbol): Make globally visible.  Use
	macro to rename to NAME(bfd_elf,link_record_dynamic_symbol).
	(elf_link_add_object_symbols): If creating a shared library, put
	make all local symbols dynamic.  Don't bother with the
	DYNAMIC_MULTIPLE flags.  Call the check_relocs backend function if
	it is defined.
	(elf_link_create_dynamic_sections): Make globally visible.  Use
	macro to rename to NAME(bfd_elf,link_create_dynamic_sections).  If
	creating a shared library, make sure that _DYNAMIC is added as a
	dynamic symbol.
	(elf_link_read_relocs): New function.
	(NAME(bfd_elf,record_link_assignment)): If creating a shared
	library, always create symbols, and always make them dynamic.
	(elf_bfd_final_link): Permit creation of shared libraries.
	(elf_link_input_bfd): Use elf_link_read_relocs to get the relocs.
	* elf.c (_bfd_elf_link_hash_newfunc): Don't initialize
	copy_offset.  Initialize got_offset and plt_offset.
	* elf32-target.h (elf_backend_check_relocs): Define as 0 if not
	defined.
	(elf32_bed): Initialize check_relocs field.
	* elf64-target.h (elf_backend_check_relocs): Define as 0 if not
	defined.
	(elf64_bed): Initialize check_relocs field.
	* elf32-i386.c (elf_howto_table): Change R_386_PLT32 and
	R_386_GOTPC to be pc_relative and pcrel_offset.
	(elf_i386_pic_plt0_entry): Define.
	(elf_i386_pic_plt_entry): Define.
	(elf_i386_create_dynamic_sections): Create a .got.plt section, and
	define _GLOBAL_OFFSET_TABLE_ at the start of it.  If creating a
	shared library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a
	dynamic symbol.  Don't create .rel.bss if creating a shared
	library.
	(elf_i386_check_relocs): New function.
	(elf_i386_adjust_dynamic_symbol): Don't make a PLT entry if the
	symbol already has one.  When making a PLT entry, set plt_offset.
	Don't create a copy reloc when creating a shared library.  Don't
	set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY.
	(elf_i386_allocate_dynamic_section): Remove.
	(elf_i386_size_dynamic_sections): Look through all the sections
	rather than assuming we know their names.  Remove any empty reloc
	or plt sections.  Only add a DT_DEBUG entry if not creating a
	shared library.  Only add a DT_PLTGOT entry if there is a PLT.
	Add a DT_TEXTREL entry if required.
	(elf_i386_relocate_section): Permit undefined symbols when
	creating a shared library.  Handle the special relocation types
	specially.
	(elf_i386_finish_dynamic_symbol): Create a PLT entry if plt_offset
	is set.  If creating a shared library, produce a PIC PLT entry.
	Only mark a PLT symbol as undefined if it was not defined by a
	regular object file.  Create a GOT entry if got_offset is set.
	Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set.
	(elf_i386_finish_dynamic_sections): Change the handling of
	DT_RELSZ to simply subtract out the size of .rel.plt.  If creating
	a shared library, produce PIC PLT code.
	(elf_backend_check_relocs): Define.
	* elf32-sparc.c (elf_sparc_howto_table): Change R_SPARC_GOT10,
	R_SPARC_GOT22, and R_SPARC_PC10 to not warn about reloc overflow.
	(elf32_sparc_create_dynamic_sections): If creating a shared
	library, make sure that _GLOBAL_OFFSET_TABLE_ is added as a
        dynamic symbol, and set the type to STT_OBJECT.  Likewise for
        _PROCEDURE_LINKAGE_TABLE_.  Don't create .rel.bss if creating a
        shared library.
	(elf32_sparc_check_relocs): New function.
	(elf32_sparc_adjust_dynamic_symbol): Don't make a PLT entry if the
	symbol already has one.  When making a PLT entry, set plt_offset.
	Don't create a copy reloc when creating a shared library.  Don't
	set copy_offset, just set ELF_LINK_HASH_NEEDS_COPY.
	(elf32_sparc_allocate_dynamic_section): Remove.
	(elf32_sparc_size_dynamic_sections): Look through all the sections
	rather than assuming we know their names.  Only add a DT_DEBUG
	entry if not creating a shared library.  Add a DT_TEXTREL entry if
	required.
	(elf32_sparc_relocate_section): Permit undefined symbols when
	creating a shared library.  Handle the special relocation types
	specially.
	(elf32_sparc_finish_dynamic_symbol): Create a PLT entry if plt_offset
	is set.  Only mark a PLT symbol as undefined if it was not defined
	by a regular object file.  Create a GOT entry if got_offset is
	set.  Create a copy reloc if ELF_LINK_HASH_NEEDS_COPY is set.
	(elf32_sparc_finish_dynamic_sections): Store dynobj in a local
	variable.
	(elf_backend_check_relocs): Define.
1994-07-26 17:18:37 +00:00
Stan Shebs caede51576 * configure.in (pc532mach_vec): Change to pc532machaout_vec.
* config.bfd (ns32k-*-netbsd*): Use ns32k-nbsd as bfd_name.
	* Makefile.in (ALL_MACHINES): Add cpu-ns32k.o.
	(BFD32_BACKENDS): Add aout-ns32k.o, netbsd532.o, m88kmach3.o,
	pc532-mach.o.
	* targets.c (pc532machaout_vec): Use instead of pc532mach_vec.
	* config/pc532-mach.mt (DEFAULT_VECTOR): Ditto.
	(SELECT_VECS): Remove.
	* config/ns32k-nbsd.mt: New file, was ns32k-netbsd.mt.
	* config/ns32k-netbsd.mt: Remove, name too long.
1994-07-25 20:00:10 +00:00
Ian Lance Taylor f2c2e75ce0 Forgot to save my buffer before last check in. 1994-07-22 23:50:35 +00:00
Ian Lance Taylor 2aaaab7ceb * aoutx.h (NAME(aout,some_aout_object_p)): Just check
STAT_FOR_EXEC, don't check MACH.
	* m88kmach3.c (MACH): Don't define.
	* config/i386-mach3.mt (TDEFINES): Define STAT_FOR_EXEC.
	* config/m88k-mach3.mt (TDEFINES): Likewise.
	* config/mips-mach3.mt (TDEFINES): Likewise.
1994-07-22 15:13:33 +00:00
Stan Shebs bb99a7328c * i386mach3.c: Reverted to version from before Jul 5 1994 changes.
Un-break gas/binutils/ld for FSF.
1994-07-22 00:28:17 +00:00
Ian Lance Taylor f42fe1599a * reloc.c (struct reloc_howto_struct): Remove special_function1.
It's the wrong way to do things.
	(HOWTO): Change accordingly.
	(HOWTO2): Remove.
	(_bfd_final_link_relocate): Remove references to
	special_function1.
	* bfd-in2.h: Rebuilt.
	* aoutx.h (aout_link_input_section_std): Remove references to
	special_function1.
	(aout_link_reloc_link_order): Likewise.
1994-07-21 16:34:59 +00:00
Ian Lance Taylor bf73e4f3fe * libelf.h (ELF_LINK_HASH_DEFINED_WEAK): Define.
* elfcode.h (elf_link_add_object_symbols): If symbol is defined as
	weak, set ELF_LINK_HASH_DEFINED_WEAK.
	(elf_link_output_extsym): If symbol is defined as weak, mark it
	STB_WEAK.
1994-07-17 02:15:24 +00:00
Ian Lance Taylor ea61717495 * libelf.h (struct bfd_elf_section_data): Add relocs field.
(shdr_name): Remove; unused.
	* elfcode.h (elf_slurp_reloc_table): Rewrote to handle both REL
	and RELA relocs.  Free up the unswapped relocs.  Permit the relocs
	to be cached in the section_data.  Correct the reloc address.
	(elf_slurp_reloca_table): Remove.
	(elf_canonicalize_reloc): Rewrote.
	(elf_link_input_bfd): Permit the relocs to be cached in the
	section data.
1994-07-17 01:15:42 +00:00
Stan Shebs d9840ab79e * config.bfd (m88*-harris-cxux*): Recognize.
* hosts/harris.h (POSIX_UTIME, HAVE_PROCFS): Define.
1994-07-16 21:08:41 +00:00
Stan Shebs ef8b133d8c * configure.host (m68*-atari-sysv4*): New host.
(m68*-cbm-sysv4*): Use m68kv4 instead of amix.
	* hosts/amix.h: Remove.
	* hosts/m68kv4.h: New file, was amix.h.
1994-07-16 21:02:53 +00:00
Ken Raeburn 1fb83be62b NS32K changes from Ian Dall.
Note: Some of the ns32k-specific files do require gcc to compile at present.
This will be fixed.
1994-07-14 21:35:54 +00:00
Stan Shebs a307efdfac * coff-sparc.c (sparccoff_vec): Have leading underscores. 1994-07-14 18:50:22 +00:00
Peter Schauer 57a814a93e * aix386-core.c, aoutf1.h, cisco-core.c, elfcode.h, hppabsd-core.c,
hpux-core.c, irix-core.c, lynx-core.c, osf-core.c, ptrace-core.c,
	rs6000-core.c, trad-core.c:  Remove SEC_ALLOC flag from .reg
	sections, .reg sections are not allocated and contain debug
	information only.
	* osf-core.c (make_bfd_asection, osf_core_core_file_p):  Use
	bfd_make_section_anyway instead of building unique section names.
1994-07-12 19:14:09 +00:00
Ian Lance Taylor 840846dac5 * libelf.h (bfd_elf32_swap_symbol_in): Declare.
(bfd_elf32_swap_symbol_out): Declare.
	(bfd_elf64_swap_symbol_in, bfd_elf64_swap_symbol_out): Declare.
	* elf32-hppa.c (elf32_hppa_args_hash_table_init): Correct cast.
1994-07-12 16:13:05 +00:00
Ian Lance Taylor 42ec46c361 * aout-encap.c (ARCH): Don't define. Obsolete.
* aout0.c, aoutx.h, gen-aout.c, hp300bsd.c, hp300hpux.c: Likewise.
	* i386aout.c, i386bsd.c, i386dynix.c, i386linux.c: Likewise.
	* i386lynx.c, m68klynx.c, mipsbsd.c, netbsd386.c: Likewise.
	* newsos3.c, sparclynx.c, sunos.c: Likewise.
1994-07-12 15:46:32 +00:00
Ian Lance Taylor 18938e4d3e * section.c (STD_SECTION): Make the sixth argument boolean, not
the seventh.  From gary@tuva.pacsemi.oz.au (gary kopff).
1994-07-12 00:12:19 +00:00
David Henkel-Wallace 4852416e2a Sun Jul 10 09:12:02 1994 D. V. Henkel-Wallace (gumby@cygnus.com)
* aoutx.h (bfd_free_cached_info): Change name of FREE to BFCI_FREE
        in order not to collide with LynxOS's definition of FREE in
        /usr/include/sys/proc.h
1994-07-10 16:15:07 +00:00
Peter Schauer fd4913f196 * aoutx.h (howto_table_std): Add entry for GOT relocations
which are present in sun3 shared libraries, to avoid assertions
	when reading the dynamic relocations.
1994-07-07 17:11:58 +00:00
Jeff Law 48530c25d3 * som.h (R_HPPA_COMPLEX): Fix dumb typo. 1994-07-07 16:22:01 +00:00
Ian Lance Taylor 874a43273c * elfcode.h (elf_link_output_sym): Don't call output_symbol_hook
if it is NULL.
1994-07-06 23:33:02 +00:00
Peter Schauer 5fb54939a9 * coff-alpha.c (alpha_ecoff_mkobject_hook): New hook to
additionally copy object type information from the alpha file
	header to the BFD flags.
	(alpha_ecoff_backend_data):  Use it.
	(ecoffalpha_little_vec):  Add DYNAMIC to object_flags.
	* aout64.c:  Fix typo in conditional QMAGIC definition.
1994-07-06 07:53:31 +00:00
Jeff Law 2c0f3abc50 * hppabsd-core.c (hppabsd_core_core_file_p): Sanity check the
value of clicksz to help weed out non HPPA BSD core files.
1994-07-06 06:17:06 +00:00
Stan Shebs 11676adc14 Mach 3 support.
* config.bfd (m88*-*-mach3*, mips*-dec-mach3*, mips*-*-mach3*):
	New targets.
	* configure.host (i[34]86-*-mach3*, ns32k-*-mach3*): Recognize
	"mach3" instead of "mach".
	(m88*-*-mach3*, mips*-dec-mach3*, mips*-*-mach3*): New hosts.
	* targets.c (m88kmach3_vec): New target vector.
	(bfd_target_vector): Add i386mach3_vec and m88kmach3_vec, but
	inside #if 0.
	* aoutx.h (some_aout_object_p) [MACH]: Recognize executables by
	checking for execute permission, instead of looking at entry
	point.
	* i386mach3.c: Update, define MACH, N_TXTOFF, N_TXTADDR,
	N_SHARED_LIB, don't include aout/*.h files, etc.
	* m88kmach3.c: New file, m88k Mach 3 target.
	* config/m88k-mach3.mt,	config/mips-mach3.mt: New files, target
	makefile fragments.
	* config/i386mach3.mh, config/m88kmach3.mh, config/mipsmach3.mh:
	New files, host	makefile fragments.
	* hosts/m88kmach3.h, hosts/mipsmach3.h: New files, host definitions.
1994-07-05 21:50:43 +00:00
Ian Lance Taylor 71edd06df7 * elfcode.h (swap_out_syms): Get alignment of common symbol from
st_value field of saved ELF symbol information, if there is any.
1994-07-05 18:05:03 +00:00
Jeff Law edf7c1e4fe * som.h (R_HPPA_COMPLEX): Define.
* elf32-hppa.h (R_HPPA_COMPLEX): Define.
	(elf32_hppa_reloc_type): Delete R_PARISC_STUB_CALL_17.
1994-07-05 01:19:31 +00:00
Steve Chamberlain eeaed1957a * section.c (bfd_get_section_contents): Put in parens to get
precedence right.
1994-06-28 01:09:50 +00:00
Peter Schauer 5e16521ab7 Add Solaris BCP (the part of Solaris which allows it to run
SunOS4 a.out files) core file handling.
	* aoutf1.h (external_solaris_bcp_core, swapcore_solaris_bcp):
	New structure and its swap in function.
	(internal_sunos_core):  New member c_data_addr, to receive the
	start address of the data section in the core file.
	(swapcore_sun3, swapcore_sparc, sunos4_core_file_p):  Use it.
	(sunos4_core_file_p):  Recognize Solaris BCP core file.
	(sunos4_core_file_matches_executable_p):  Always indicate match
	for Solaris BCP core files.
1994-06-24 16:18:35 +00:00
Ian Lance Taylor 8af74670df Preliminary support for generating shared libraries, from Eric
Youngdale <ericy@cais.cais.com>.
	* elfcode.h (prep_headers): If DYNAMIC, set e_type to ET_DYN.
	(elf_link_add_object_symbols): If generating a shared library,
	create dynamic sections for first input BFD with the right format.
	(elf_link_create_dynamic_sections): Don't create .interp section
	if creating a shared library.
	(elf_link_input_bfd): Skip dynamic sections in input file.
	(elf_bfd_final_link): If creating a shared library, it's OK for
	dynobj to have sections which are not SEC_IN_MEMORY.
	* elf32-i386.c (elf_i386_size_dynamic_sections): Only set .interp
	section if not creating a shared library.
	* elf32-sparc.c (elf_sparc_size_dynamic_sections): Likewise.
1994-06-23 21:36:03 +00:00