* regcache.c (new_register_cache): Clear the allocated register

[deliverable/binutils-gdb.git] / bfd / ChangeLog

2004-01-25  H.J. Lu  <hongjiu.lu@intel.com>

	* elfxx-ia64.c (elfNN_ia64_relocate_section): Disallow imm
	relocations against dynamic symbols.

2004-01-23  Daniel Jacobowitz  <drow@mvista.com>

	* elf32-arm.h (elf32_arm_check_relocs): Revert part of 2004-01-13
	change.

2004-01-21  Tom Rix  <tcrix@worldnet.att.net>

	* reloc.c: New 5 bit reloc, BFD_RELOC_M68HC12_5B, for m68hc12 movb/movw.
	* bfd-in2.h, libbfd.h: Rebuilt.

2004-01-20  Danny Smith  <dannysmith@users.sourceforge.net>

	* peXXigen.c (_bfd_XXi_swap_scnhdr_out): Don't remove
	IMAGE_SCN_MEM_WRITE flag from .text section if WP_TEXT
	flag has been cleared.

2004-01-19  Kazu Hirata  <kazu@cs.umass.edu>

	* coff-h8300.c: Add and adjust comments about relaxation.
	* elf32-h8300.c: Likewise.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

	* coff-h8300.c: Fix comment typos.
	* elf32-h8300.c: Likewise.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

	* coff-h8300.c: Add comments about relaxation.
	* elf32-h8300.c: Likewise.

2004-01-14  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* acinclude.m4: Quote names of macros to be defined by AC_DEFUN
	throughout.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2004-01-13  Ian Lance Taylor  <ian@wasabisystems.com>

	* elf64-mips.c (mips_elf64_slurp_one_reloc_table): Call
	mips_elf64_rtype_to_howto instead of using howto_table.

2004-01-13  Daniel Jacobowitz  <drow@mvista.com>

	* elf32-arm.h (elf32_arm_final_link_relocate): Check that we created
	the .plt section.
	(elf32_arm_check_relocs): Don't increment the PLT refcount for
	relocs which would not use the PLT.

2004-01-13  Alan Modra  <amodra@bigpond.net.au>

	* elf64-ppc.c (ppc64_elf_check_relocs): Ignore !SEC_ALLOC relocs.
	(ppc64_elf_gc_sweep_hook): Likewise.
	(ppc64_elf_size_dynamic_sections): Test for .plt directly.

2004-01-12  Anil Paranjpe  <anilp1@KPITCummins.com>

	Adds linker relaxation support for bit manipulation insns like
	band, bclr, biand, bild, bior, bist, bixor, bld, bnot, bor, bset,
	bst, btst, bxor.
	* elf32-h8300.c: Opcode for bit manipulation insn is checked in
	elf32_h8_relax_section function while relxation for aa:16 and aa:32.
	* coff-h8300.c: Opcode for bit manipulation insn is checked in
	h8300_reloc16_extra_cases function while relxation for aa:16 and aa:32.

2004-01-12  Alan Modra  <amodra@bigpond.net.au>

	* dwarf2.c: Convert to C90, remove unneeded casts and prototypes.

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

	* elf32-h8300.c: Fix formatting.

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

	* elf32-cris.c (cris_elf_gc_sweep_hook): Return early if no
	dynamic object is present.  Declare r_symndx and h in an inner
	scope.
	* elf32-vax.c (elf_vax_gc_sweep_hook): Likewise.

2004-01-09  Daniel Jacobowitz  <drow@mvista.com>

	* elf32-arm.h (struct elf32_arm_relocs_copied): Remove pc_count.
	(elf32_arm_copy_indirect_symbol): Don't copy pc_count.
	(elf32_arm_final_link_relocate): Handle PLT32 and PC24 relocs
	identically.  Do not emit PC24 relocations for shared libraries.
	(elf32_arm_gc_sweep_hook): Handle PLT32 and PC24 relocs
	identically.  Don't adjust pc_count.
	(elf32_arm_check_relocs): Handle PLT32 and PC24 relocs identically.
	Set ELF_LINK_HASH_NEEDS_PLT for both.  Don't adjust pc_count; don't
	adjust count for branch relocations.
	(allocate_dynrelocs): Correct typo in call to
	WILL_CALL_FINISH_DYNAMIC_SYMBOL.  Never allocate space for
	PC24 or PLT32 relocs when linking.

2004-01-09  Dmitry Semyonov  <Dmitry.Semyonov@oktet.ru>

	* coff-arm.c (aoutarm_std_reloc_howto): [ARM_WINCE] Synchronize ARM_26D
	relocation howto with ARM_26 one for consistency.
	(coff_arm_relocate_section): Set partial_inplace for ARM_26 relocations
	that will be converted to ARM_26D ones, since we always want 'done'
	relocations to be reflected in section's data.
	(coff_arm_relocate_section): [ARM_WINCE] Quick fix for BL instruction
	offset.
	(_bfd_final_link_relocate): Do not modify "inplace" data, if not
	requested.

2004-01-08  Dmitry Semyonov  <Dmitry.Semyonov@oktet.ru>

	* coff-arm.c (coff_arm_relocate_section): Do not alter relocs that
	are not partial_inplace during a relocatable link.

2004-01-08  Kazu Hirata  <kazu@cs.umass.edu>

	* elf32-m68k.c (elf_m68k_gc_sweep_hook): Return early
	if no dynamic object is present.  Declare r_symndx and h in an
	inner scope.

2004-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	* elfxx-ia64.c (elfNN_ia64_relax_section): Don't install
	trampoline if it is known out of range.

2004-01-06  Alexandre Oliva  <aoliva@redhat.com>

	2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_osec_readonly_p): New.
	(_frv_emit_got_relocs_plt_entries): Don't emit rofixup for
	undefweak symbol.
	(_frv_count_got_plt_entries): Adjust expected count accordingly.
	(elf32_frv_relocate_section): Likewise.  Error out if attempting
	to emit rofixups or dynamic relocs in read-only segments.  Use
	_bfd_elf_section_offset to adjust r_offsets in rofixups and
	dynamic relocations.
	2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_relocate_section): Compute dynamic
	relocations or fixups involving merged sections correctly.  Avoid
	crash when undefined symbol is referenced by R_FRV_32 or
	R_FRV_FUNCDESC_VALUE.
	2003-12-02  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_relocate_section): Add output_offset of
	input section holding local symbol to addend of R_FRV_32 or
	R_FRV_FUNCDESC_VALUE dynamic relocation.
	2003-11-27  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_modify_segment_map): Add link info arg.
	(elf32_frv_always_size_sections): Don't store pointer to
	__stacksize symbol in sec_info.
	(elf32_frv_modify_segment_map): Look it up here.
	2003-11-26  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Emit the address
	of the lazy PLT entry, not only its offset, as the low word of a
	function descriptor.
	2003-11-10  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_always_size_sections): Define __stacksize
	if a hash table entry already exists but is not a definition.
	2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (frv_elf_link_hash_table_create): Use bfd_zalloc.
	(_frv_add_rofixup): Don't inline.
	(_frv_emit_got_relocs_plt_entries): Use NULL as funcdesc address
	for undefweak symbols.
	(elf32_frv_relocate_section): Avoid crash while computing
	relocation when linking with shared library.  Only emit rofixups
	and dynamic relocations for alloc&load sections.  Mark binaries
	with inter-segment relocations for relocation as a unit.
	(_frv_create_got_section): Rename .rofixup.got to .rofixup.
	(DEFAULT_STACK_SIZE): New.
	(_frv_count_got_plt_entries): Fix thinko in deciding whether to
	emit rofixups or dynamic relocs when linking dynamic non-PIE
	executables.
	(elf32_frv_size_dynamic_sections): Generate rofixup on PIEs and
	shared libs too.  Reserve the last entry for the GOT pointer.
	(elf32_frv_finish_dynamic_sections): Emit it.
	(elf32_frv_always_size_sections): New.
	(elf32_frv_modify_segment_map): New.
	(elf32_frv_check_relocs): Reserve relocs32 space only in ALLOC
	sections.
	(frv_elf_merge_private_bfd_data): Clear PIC bit if FDPIC is set.
	(frv_elf_print_private_bfd_data): Handle FDPIC and LIBPIC.
	(elf_backend_always_size_sections): New.
	(elf_backend_modify_segment_map): New.
	2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
	* config.bfd: Added frv-*-*linux*.
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Use idx 0 for
	ABS section, instead of crashing.
	(elf32_frv_relocate_section): Don't crash before warning about
	different segments in non-PIC relocation.
	2003-10-17  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_relocate_section): Don't warn on LABEL24
	relocs to undefweak symbols.
	(elf32_frv_relocate_section): Ditto for undefined symbols.
	2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_create_dynamic_sections): Make sure
	gotfixup section was created.
	2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_howto_table): Change GOT12,
	FUNCDESC_GOT12, GOTOFF12 and FUNCDESC_GOTOFF12 to
	complain_overflow_signed.
	* elf32-frv.c (_frv_add_rofixup): Do not error out if contents
	have not been allocated.
	(_frv_emit_got_relocs_plt_entries): Return non-void.  Assert
	privfd only if dynamic sections were created.
	(elf32_frv_relocate_section): Compute gprel_segment, and use it
	for GPREL relocs.  When linking relocatable FDPIC executables,
	emit warnings for relocations that would be illegal on PIE or
	shared libraries.  Emit rofixup for R_FRV_32 only if input object
	is not FDPIC.
	(_frv_create_got_section): Define _gp symbol in the rofixup
	section.
	(elf32_frv_finish_dynamic_sections): If rofixups needed but
	dynamic sections missing, error out requesting -melf32frvfd.
	2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Rearrange
	computation of addends from section and global or local symbol
	value.  Change return type to bfd_boolean, and return a failure if
	a dynamic FUNCDESC or FUNCDESC_VALUE relocation that requires a
	nonzero addend is required.
	(elf32_frv_relocate_section): Likewise.  Print error for
	unsupported nonzero addends.
	2003-09-18  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (FRV_SYM_LOCAL): In the absence of dynamic sections,
	force everything local.
	(_frv_emit_got_relocs_plt_entries): Cope with NULL sec.
	* elf32-frv.c (struct frv_elf_link_hash_table): Added sgotfixup.
	(frv_gotfixup_section): New.
	(FRV_SYM_LOCAL): Accept undefweak and local common symbols.
	(struct frv_pic_relocs_info): Split relocs into relocs32, relocsfd
	and relocsfdv.
	(_frv_add_rofixup): New.
	(_frv_emit_got_relocs_plt_entries): Generate fixups for non-PIE
	fdpic executables.  Use FRV_SYM_LOCAL more widely to simplify and
	improve some ugly conditions.
	(elf32_frv_relocate_section): Likewise.  Reject inter-segment
	relocations in fdpic.
	(_frv_create_got_section): Create .rofixup.got section.
	(struct _frv_dynamic_got_info): Added fixups.
	(_frv_count_got_plt_entries): Account in-GOT relocations into
	relocs32, relocsfd and relocsfdv.  Account them into relocs or
	fixups, as appropriate.
	(elf32_frv_size_dynamic_sections): Size rofixup section.  Simplify
	sizing of gotrel.
	(elf32_frv_finish_dynamic_sections): Verify that the right number
	of relocations and fixups was generated.
	(elf32_frv_check_relocs): Compute relocs32, relocsfd and
	relocsfdv.
	* elf32-frv.c (FRV_SYM_LOCAL): New macro, used instead of
	SYMBOL_CALLS_LOCAL and SYMBOL_REFERENCES_LOCAL.
	(FRV_FUNCDESC_LOCAL): New macro, used to decide whether a function
	descriptor of a (formerly-)global symbol is local.
	(struct frv_pic_relocs_info): Adjust comments.
	(_frv_emit_got_relocs_plt_entries): Adjust.
	(elf32_frv_relocate_section): Likewise.
	(_frv_count_got_plt_entries): Likewise.
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Don't add global
	symbol's value to addend in the common preamble.  Decay dynamic
	symbols to section+offset if they bind or call locally, for GOT
	and FUNCDESC_VALUE, respectively.
	(elf32_frv_relocate_section): Likewise.
	(elf32_frv_check_relocs): Don't register as dynamic symbols of
	internal or hidden visibility.
	2003-09-17  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Get addend as
	argument, so as to not call _bfd_elf_rel_local_sym to compute it.
	(elf32_frv_relocate_section): Pass relocation addend in.  Use
	original relocation addend to look up the got relocs/plt entries
	table.  Do not call _bfd_elf_rel_local_sym.  Don't error out when
	processing relocations that reference .scommon symbols.
	2003-09-15  Alexandre Oliva  <aoliva@redhat.com>
	Introduce support for dynamic linking.
	* elf32-frv.c (R_FRV_FUNCDESC_VALUE): Mark it as 64 bits.
	(elf32_frv_rel_32_howto, elf32_frv_rel_funcdesc_howto,
	elf32_frv_rel_funcdesc_value_howto): New REL descriptors.
	(frv_reloc_type_lookup): Return REL howtos for executables and
	dynamic libraries.
	(frv_info_to_howto_rel): New.
	(struct frv_elf_link_hash_table): New.
	(frv_hash_table, frv_got_section, frv_gotrel_section,
	frv_plt_section, frv_pltrel_section, frv_relocs_info,
	frv_got_initial_offset, frv_plt_initial_offset): New macros.
	(frv_elf_link_hash_table_create): New.
	(struct frv_pic_relocs_info): New.
	(frv_pic_relocs_info_hash, frv_pic_relocs_info_eq): New.
	(frv_pic_relocs_info_find): New.
	(frv_pic_relocs_info_for_global, frv_pic_relocs_info_for_local):
	New.
	(FRV_LZPLT_BLOCK_SIZE, FRV_LZPLT_RESOLVE_LOC): New.
	(_frv_add_dyn_reloc, _frv_osec_to_segment): New.
	(_frv_emit_got_relocs_plt_entries): New.
	(elf32_frv_relocate_section): Add support for dynamic linking.
	Handle new relocations.
	(_frv_create_got_section): New.
	(elf32_frv_create_dynamic_sections): New.
	(ELF_DYNAMIC_INTERPRETER): New.
	(struct _frv_dynamic_got_info): New.
	(_frv_count_got_plt_entries): New.
	(struct _frv_dynamic_got_plt_info): New.
	(_frv_compute_got_alloc_data): New.
	(_frv_get_got_entry, _frv_get_fd_entry): New.
	(_frv_assign_got_entries, _frv_assign_plt_entries): New.
	(_frv_resolve_final_relocs_info): New.
	(elf32_frv_size_dynamic_sections): New.
	(elf32_frv_finish_dynamic_sections): New.
	(elf32_frv_adjust_dynamic_symbol): New.
	(elf32_frv_finish_dynamic_symbol): New.
	(elf32_frv_check_relocs): Handle new relocs.  Explain how the
	whole thing works.
	(elf_info_to_howto_rel): Define.
	(bfd_elf32_bfd_link_hash_table_create): Define.
	(elf_backend_create_dynamic_sections): Define.
	(elf_backend_adjust_dynamic_symbol): Define.
	(elf_backend_size_dynamic_sections): Define.
	(elf_backend_finish_dynamic_symbol): Define.
	(elf_backend_finish_dynamic_sections): Define.
	(elf_backend_want_got_sym): Define.
	(elf_backend_got_header_size): Define.
	(elf_backend_want_got_plt): Define.
	(elf_backend_plt_readonly): Define.
	(elf_backend_want_plt_sym): Define.
	(elf_backend_plt_header_size): Define.
	(elf_backend_may_use_rel_p): Define.
	(elf_backend_may_use_rela_p): Define.
	(elf_backend_default_use_rela_p): Define.
	2003-08-08  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12,
	R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12,
	R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New.
	(frv_reloc_map): Map the corresponding BFD relocs to them.
	(frv_reloc_type_lookup): ... and back to BFD relocs.
	* reloc.c: New relocs.
	* bfd-in2.h, libbfd.h: Rebuilt.
	2003-08-04  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
	R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
	R_FRV_FUNCDESC_GOTLO): New.
	(frv_reloc_map): Map the corresponding BFD relocs to them.
	(frv_reloc_type_lookup): ... and back to BFD relocs.
	* reloc.c: New relocs.
	* bfd-in2.h, libbfd.h: Rebuilt.

2004-01-05  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* elf32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
	targets to support pages of up to 64kB.
	(elf32_bed): Redefine to get a separate backend data structure for
	traditional targets.
	* elf64-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
	targets to support pages of up to 64kB.
	(elf64_bed): Redefine to get a separate backend data structure for
	traditional targets.
	* elfn32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
	targets to support pages of up to 64kB.
	(elf32_bed): Redefine to get a separate backend data structure for
	traditional targets.

2004-01-04  Mark Kettenis  <kettenis@gnu.org>

	* elf32-sparc.c (elf32_sparc_grok_psinfo): New function.

2004-01-02  Mark Kettenis  <kettenis@gnu.org>

	* elf32-i386.c (elf_i386_grok_prstatus): Add support for FreeBSD.
	(elf_i386_grok_psinfo): Likewise.

2004-01-02  Bernardo Innocenti  <bernie@develer.com>

	* config.bfd: Add m68k-uClinux target.

2004-01-01  Grant Edwards <grante@visi.com>

	* elflink.h (elf_gc_sections): Warn when gc-sections option is ignored.
	* elf32-h8300.c (elf32_h8_gc_mark_hook): New function.
	(elf32_h8_gc_sweep_hook): New function.
	(elf_backend_gc_mark_hook): Define.
	(elf_backend_gc_sweep_hook): Define.
	(elf_backend_can_gc_sections): Define.

For older changes see ChangeLog-0203
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