Commit graph

71 commits

Author SHA1 Message Date
Nick Clifton
724982f606 Allow common symbols to have an alignment of 1 if explicitly requested, and
not overridden by other definitions.
2000-08-24 17:41:40 +00:00
H.J. Lu
a963dc6ade 2000-08-22 H.J. Lu <hjl@gnu.org>
* elf-bfd.h (elf_link_hash_table): Add runpath.

	* bfd-in.h (bfd_elf_get_runpath_list): New prototype.
	* bfd-in2.h: Rebuilt.

	* elf.c (_bfd_elf_link_hash_table_init): Initialize the
	"runpath" field to NULL.
	(bfd_elf_get_runpath_list): New function.

	* elflink.h (elf_link_add_object_symbols): Record DT_RPATH and
	DT_RUNPATH entries.
2000-08-22 19:33:16 +00:00
H.J. Lu
456981d715 2000-07-27 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_merge_symbol): Take one more argument,
	dt_needed, to indicate if the symbol comes from a DT_NEEDED
	entry. Don't overide the existing weak definition if dt_needed
	is true.
	(elf_link_add_object_symbols): Pass dt_needed to
	elf_merge_symbol ().
2000-07-28 00:49:07 +00:00
Nick Clifton
755cfd2922 Zero the allocated contents of reloc sections. 2000-07-27 22:35:08 +00:00
H.J. Lu
4d538889a8 2000-07-20 H.J. Lu <hjl@gnu.org>
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Don't check
	info->new_dtags when setting DT_FLAGS_1. It will only be set
	by the new linker options. It shouldn't break anything.
2000-07-21 03:58:32 +00:00
H.J. Lu
b586af581d 2000-07-20 H.J. Lu <hjl@gnu.org>
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Set DT_FLAGS_1
	only if info->new_dtags is true.
2000-07-21 02:16:31 +00:00
H.J. Lu
c25373b76a 2000-07-20 H.J. Lu <hjl@gnu.org>
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Set
	DT_RUNPATH and DT_FLAGS only if info->new_dtags is true.
2000-07-20 21:16:58 +00:00
H.J. Lu
d6cf28795d 2000-07-19 H.J. Lu <hjl@gnu.org>
* elf32-arm.h (elf32_arm_size_dynamic_sections): Also set
	DF_TEXTREL if DT_TEXTREL is set.
	* elf32-i370.c (i370_elf_size_dynamic_sections): Likewise.
	* elf32-i386.c (elf_i386_size_dynamic_sections): Likewise.
	* elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise.
	* elf32-mips.c (_bfd_mips_elf_size_dynamic_sections): Likewise.
	* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
	* elf32-sparc.c (elf32_sparc_size_dynamic_sections): Likewise.
	* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise.
	* elf64-hppa.c (elf64_hppa_size_dynamic_sections): Likewise.
	* elf64-ia64.c (elf64_ia64_size_dynamic_sections): Likewise.
	* elf64-sparc.c (sparc64_elf_size_dynamic_sections): Likewise.

	* bfd/elflink.h (NAME(bfd_elf,size_dynamic_sections)): Also
	set DF_SYMBOLIC for symbolic link. Also set DT_RUNPATH if
	DT_RPATH is set.
	Set the DT_FLAGS and DT_FLAGS_1 entries if necessary.
2000-07-20 03:21:59 +00:00
H.J. Lu
7481689898 2000-07-19 H.J. Lu <hjl@gnu.org>
* bfd-in.h (bfd_elf_set_dt_needed_soname): New.
	* bfd-in2.h: Rebuild.

	* elf-bfd.h (elf_obj_tdata): Add dt_soname.
	(elf_dt_soname): New.

	* elf.c (bfd_elf_set_dt_needed_soname): New.

	* elflink.h (elf_link_add_object_symbols): Add the DT_NEEDED
	entry if the shared object loaded by DT_NEEDED is used to
	resolve the reference in a regular object.
2000-07-20 03:16:18 +00:00
Ulf Carlsson
f41cbf038e 2000-06-18 Ulf Carlsson <ulfc@engr.sgi.com>
* elf_bfd.h (struct elf_backend_data): Add info argument to
	elf_backend_hide_symbol.
	(_bfd_elf_link_hash_hide_symbol): Likewise.
	* elf.c (_bfd_elf_link_hash_hide_symbol): Likewise.
	* elf64-ia64.c (elf64_ia64_hash_hide_symbol): Likewise.
	* elflink.h (elf_link_add_object_symbols): Likewise.
	(elf_link_assign_sym_version): Likewise.
2000-06-19 00:18:58 +00:00
Ulf Carlsson
32f0787ac8 2000-06-15 Ulf Carlsson <ulfc@engr.sgi.com>
* elflink.h (elf_link_adjust_relocs): Check for and call backend
	specifific swap_reloc_{in,out} and swap_reloca_{in,out} if
	available.
	(elf_link_output_relocs): Likewise.
	(elf_reloc_link_order): Likewise.
2000-06-16 23:01:00 +00:00
H.J. Lu
d108020f09 Remove the `/* Fall through. */' comment in elf_link_output_extsym ()
for the indirect symbol.
2000-06-05 18:15:35 +00:00
H.J. Lu
94b6c40a1a 2000-06-05 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_fix_symbol_flags): Follow the link for the
	indirect symbol for the ELF_LINK_NON_ELF bit.
	(elf_link_output_extsym): Don't output the indirect symbol even
	if the ELF_LINK_NON_ELF bit is set.
2000-06-05 17:21:32 +00:00
H.J. Lu
38048eb911 2000-05-30 H.J. Lu <hjl@gnu.org>
* elflink.c (_bfd_elf_link_record_dynamic_symbol): Clear the
	visibility bits if the symbol is undefined. Correctly handle
	weak undefined symbols with hidden and internal attributes.

	* elflink.h (elf_link_add_object_symbols): Always turn the
	symbol into local if it has the hidden or internal attribute.
2000-05-30 20:51:36 +00:00
H.J. Lu
32c092c3fa 2000-05-22 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_link_output_extsym): Clear the visibility
	field for symbols not defined locally.
2000-05-22 07:26:58 +00:00
Nick Clifton
7ad3436572 Force relocs emited for an executable to contain virtual addresses. 2000-05-18 17:12:31 +00:00
Nick Clifton
6d3e950baa Add part of patch omittede from previous delta 2000-05-17 19:55:14 +00:00
Nick Clifton
a712da2085 Apply patch from Richard Gorton <gorton@scrugs.lkg.dec.com> to implement
--emit-relocs switch to the linker to preserve relocs in an output executable
2000-05-17 19:38:53 +00:00
H.J. Lu
0444bdd49c 2000-05-03 Martin v. Löwis <loewis@informatik.hu-berlin.de>
* elflink.h (elf_link_add_object_symbols): Reset dynindx for
	hidden and internal symbols.
	(elf_fix_symbol_flags): Clear NEEDS_PLT for symbols with
	visibility.
	* elflink.c (_bfd_elf_link_record_dynamic_symbol): Do not
	assign a PLT or GOT entry to symbols with hidden and
	internal visibility.
2000-05-04 06:38:33 +00:00
Alan Modra
dd5724d523 Reference count .plt and .got on x86 for garbage collection code. Fix a
couple of m68k and ppc bugs discovered while testing x86 gc.
2000-04-27 00:31:17 +00:00
Nick Clifton
8603339400 Fix building with --enable-targets=all 2000-03-01 20:39:07 +00:00
H.J. Lu
5cc7c785d2 2000-03-01 H.J. Lu <hjl@gnu.org>
* aoutx.h (aout_link_input_section_std): Pass "true" to
	the undefined_symbol callback.
	(aout_link_input_section_ext): Likewise.
	* bout.c (get_value): Likewise.
	* coff-a29k.c (coff_a29k_relocate_section): Likewise.
	* coff-alpha.c (alpha_ecoff_get_relocated_section_conten):
	Likewise.
	(alpha_relocate_section): Likewise.
	* coff-arm.c (coff_arm_relocate_section): Likewise.
	* coff-i960.c (coff_i960_relocate_section): Likewise.
	* coff-mcore.c (coff_mcore_relocate_section): Likewise.
	* coff-mips.c (mips_relocate_section): Likewise.
	* coff-ppc.c (coff_ppc_relocate_section): Likewise.
	* coff-sh.c (sh_relocate_section): Likewise.
	* coff-tic80.c (coff_tic80_relocate_section): Likewise.
	* cofflink.c (_bfd_coff_generic_relocate_section): Likewise.
	* elf-m10200.c (mn10200_elf_relocate_section): Likewise.
	* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
	* elf32-d10v.c (elf32_d10v_relocate_section): Likewise.
	* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
	* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
	* elf32-i370.c (i370_elf_relocate_section): Likewise.
	* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
	* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
	* elf32-sh.c (sh_elf_relocate_section): Likewise.
	* elf32-v850.c (v850_elf_relocate_section): Likewise.
	* elflink.c (_bfd_elf_link_record_dynamic_symbol): Likewise.
	* elflink.h (elf_link_output_extsym): Likewise.
	* pe-mips.c (coff_pe_mips_relocate_section): Likewise.
	* reloc.c (bfd_generic_get_relocated_section_conten): Likewise.
	* reloc16.c (_bfd_ppc_xcoff_relocate_section): Likewise.

	* elf-hppa.h (elf_hppa_relocate_section): Pass "false" to the
	undefined_symbol callback when building shared library with
	-Bsymbolic and undefined symbols are allowed. Otherwise, pass
	"true".
	* elf32-arm.h (elf32_arm_relocate_section): Likewise.
	* elf32-i386.c (elf_i386_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-mips.c (mips_elf_calculate_relocation): Likewise.
	(elf32_mips_get_relocated_section_content): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
2000-03-01 19:40:54 +00:00
Ian Lance Taylor
1287d1cc37 2000-02-22 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_link_add_object_symbols): If a version symbol is
	not defined, don't add a second ELF_VER_CHR.
2000-02-22 08:06:01 +00:00
Ian Lance Taylor
2bd171e001 2000-02-22 H.J. Lu <hjl@gnu.org>
* elflink.h (elf_bfd_final_link): Call output_extsym for global
	symbols converted to local symbols even when stripping all
	symbols.
        (elf_link_output_extsym): Process global symbols converted to
	local symbols even if they are being stripped.
2000-02-22 05:51:02 +00:00
Alan Modra
f6af82bd44 This lot mainly cleans up `comparison between signed and unsigned' gcc
warnings.  One usused var, and a macro parenthesis fix too.  Also check
input sections are elf when doing gc in elflink.h.
2000-02-21 12:01:27 +00:00
Richard Henderson
c61b871721 * elf-bfd.h (struct elf_link_hash_table): Remove copy_indirect
and hide_symbol members.
        (elf_link_hash_copy_indirect): Remove.
        (elf_link_hash_hide_symbol): Remove.
        (struct elf_backend_data): Add elf_backend_copy_indirect_symbol
        and elf_backend_hide_symbol.
        (_bfd_elf_link_hash_copy_indirect): Declare.
        (_bfd_elf_link_hash_hide_symbol): Declare.
        * elf.c (_bfd_elf_link_hash_copy_indirect): Remove table argument.
        (_bfd_elf_link_hash_hide_symbol): Likewise.
        (_bfd_elf_link_hash_table_init): Don't init killed members.
        * elflink.h (elf_link_add_object_symbols): Use the bed function
        pointers not elf_link_hash_{copy_indirect,hide_symbol}.
        (elf_link_assign_sym_version): Likewise.
        * elfxx-target.h (elf_backend_copy_indirect_symbol): Default.
        (elf_backend_hide_symbol): Likewise.
        (elfNN_bed): Update for new members.
2000-02-18 09:23:06 +00:00
Richard Henderson
2920b85c63 * elf-bfd.h (struct elf_link_hash_table): Add copy_indirect and
hide_symbol members.
        (elf_link_hash_copy_indirect): New.
        (elf_link_hash_hide_symbol): New.
        * elflink.h (elf_link_add_object_symbols): Break out copy from
        indirect new new symbol to elf.c.
        (elf_link_assign_sym_version): Break out privatization of
        non-exported symbol to elf.c.
        * elf.c (_bfd_elf_link_hash_copy_indirect): New.
        (_bfd_elf_link_hash_hide_symbol): New.
        (_bfd_elf_link_hash_table_init): Init copy_indirect and hide_symbol.
2000-02-13 23:11:32 +00:00
Ian Lance Taylor
7f8d5fc90b * section.c (_bfd_strip_section_from_output): Add info parameter.
If it passed as non-NULL, use it to check whether any input BFD
	has an input section which uses this output section.  Change all
	callers.
	* bfd-in2.h: Rebuild.

	* bfd-in.h: Move declarations of bfd_get_elf_phdr_upper_bound and
	bfd_get_elf_phdrs in from bfd-in2.h, correcting patch of
	1999-11-29.
	* bfd-in2.h: Rebuild.
2000-02-13 22:45:29 +00:00
Nick Clifton
7a13edea08 ELF visibility patch from Martin Loewis. 2000-01-03 18:32:21 +00:00
Richard Henderson
ea44b73426 * elflink.h (bfd_elf,size_dynamic_sections): Don't export all
if no dynamic sections created.
1999-12-29 19:50:13 +00:00
Nick Clifton
48dfb43001 Fix detection of common symbols 1999-12-14 23:35:43 +00:00
Nick Clifton
ceddadb217 fix detection of common symbols. 1999-12-14 02:20:57 +00:00
Nick Clifton
a3a8c91d41 Fix elf linker's handling of commons in archive maps 1999-12-10 20:17:28 +00:00
Nick Clifton
77fb9c28ac Revert previous patch. 1999-12-10 18:51:35 +00:00
Nick Clifton
ad247e3c7d Change AR for ELF so that common symbols are not included in archive map.
Change LD for ELF so that archive elements whoes archive map contains a
 reference to a common symbol will get linkled in.
Add new field to bfd_target structure and initialise it for all bfd targets.
1999-12-10 01:41:22 +00:00
Ian Lance Taylor
71a40b32ae * elflink.h (elf_bfd_final_link): Make last_local signed. 1999-10-28 04:08:57 +00:00
Ian Lance Taylor
64df8d0bce * elflink.h (elf_merge_symbol): When overriding a weak symbol with
a defined symbol in a shared library, clear the DEF_DYNAMIC flag
	too.
1999-10-08 15:21:56 +00:00
Ian Lance Taylor
fc4cc5bb8f * elflink.h (elf_fix_symbol_flags): Move weakdef handling here...
(elf_adjust_dynamic_symbol): ...from here.
1999-09-10 04:22:23 +00:00
Andreas Schwab
0d271c1a5e * elflink.h (elf_link_add_object_symbols): Copy NON_GOT_REF flag
to version symbols.
1999-09-06 10:56:08 +00:00
Nick Clifton
fed79cc616 use bfd memory allcation routines 1999-09-06 08:57:49 +00:00
Ian Lance Taylor
7843f00e2d * elf-bfd.h (ELF_LINK_NON_GOT_REF): Define.
* elflink.h (elf_adjust_dynamic_symbol): Copy REF_REGULAR_NONWEAK
	and NON_GOT_REF from weak defined symbol to real symbol.
	* elf32-i386.c (elf_i386_check_relocs): Set NON_GOT_REF.
	(elf_i386_adjust_dynamic_symbol): If NON_GOT_REF is not set, don't
	create a COPY reloc.
	* elf32-sparc.c (elf32_sparc_check_relocs): Set NON_GOT_REF.
	(elf32_sparc_adjust_dynamic_symbol): If NON_GOT_REF is not set,
	don't create a COPY reloc.
1999-09-04 16:26:08 +00:00
Ian Lance Taylor
814fe68ac5 * elflink.h (elf_bfd_final_link): When counting relocations, don't
count those in sections we are not including in the link.
1999-09-03 18:34:02 +00:00
Jeff Law
20e29382fd * elflink.h (elf_link_add_object_symbols): Work around bogus SH_LINK
field in hpux11 shared libraries.
1999-09-02 23:44:54 +00:00
Nick Clifton
4b56dbbd4a Fix memory leak. 1999-09-02 17:56:51 +00:00
Nick Clifton
994819d267 When possible, keep the original type of the symbol. 1999-08-31 14:07:27 +00:00
Ian Lance Taylor
0035bd7bda * elf32-mips.c (_bfd_mips_elf_add_symbol_hook): Set BSF_DYNAMIC
for special section symbols.
	* elflink.h (elf_merge_symbol): If we have no old BFD, check
	BSF_DYNAMIC on the section symbol to see whether the old BFD is
	dynamic.
1999-08-17 07:50:30 +00:00
Mark Mitchell
ce00621771 * elflink.h (elf_bfd_final_link): Tweak last change. 1999-08-10 06:22:57 +00:00
Mark Mitchell
b037af20d6 * elflink.h (elf_link_size_reloc_section): Use the counts in the
elf-section data to allocate just the right amount of relocation
	space.  Don't allocate the hash space twice.
	(elf_bfd_final_link): Calculate the amount of space to allocate in
	each relocation section.
1999-08-10 03:36:28 +00:00
Ian Lance Taylor
91d3970e7d 1999-08-09 Geoff Keating <geoffk@cygnus.com>
* elflink.h (elf_link_output_extsym): Don't output a weak
	reference to an undefined symbol just because it was defined weak
	in a shared object.
1999-08-09 05:42:31 +00:00
Richard Henderson
1fa0ddb30b Jakub Jelinek <jj@ultra.linux.cz>
* elflink.h (elf_bfd_final_link): Copy the whole isym, not just
        some fields.
        * elf64-sparc.c (sparc64_elf_output_arch_syms): Declare used
        variables and initialize them.
1999-08-02 22:31:18 +00:00