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Also update the 32-bit tls testcases to be secure plt.
bfd/
* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Examine stubs in
reverse order. Account for larger size of __tls_get_addr_opt stub.
ld/testsuite/
* ld-powerpc/tls32.s: Add GOT pointer setup.
* ld-powerpc/tls32.d: Update.
* ld-powerpc/tls32.g: Update.
* ld-powerpc/tls32.t: Update.
* ld-powerpc/tlsexe.d: Update.
* ld-powerpc/tlsexe32.d: Update.
* ld-powerpc/tlsexe32.g: Update.
* ld-powerpc/tlsexe32.r: Update.
* ld-powerpc/tlsexetoc.d: Update.
* ld-powerpc/tlsso32.d: Update.
* ld-powerpc/tlsso32.g: Update.
* ld-powerpc/tlsso32.r: Update.
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With copy relocation, address of protected data defined in the shared
library may be external. This patch adds extern_protected_data and
changes _bfd_elf_symbol_refs_local_p to return false for protected data
if extern_protected_data is true.
bfd/
PR ld/pr15228
PR ld/pr17709
* elf-bfd.h (elf_backend_data): Add extern_protected_data.
* elf32-i386.c (elf_backend_extern_protected_data): New.
Defined to 1.
* elf64-x86-64.c (elf_backend_extern_protected_data): Likewise.
* elflink.c (_bfd_elf_adjust_dynamic_copy): Don't error on
copy relocs against protected symbols if extern_protected_data
is true.
(_bfd_elf_symbol_refs_local_p): Don't return true on protected
non-function symbols if extern_protected_data is true.
* elfxx-target.h (elf_backend_extern_protected_data): New.
Default to 0.
(elfNN_bed): Initialize extern_protected_data with
elf_backend_extern_protected_data.
ld/testsuite/
PR ld/pr15228
PR ld/pr17709
* ld-i386/i386.exp (i386tests): Add a test for PR ld/17709.
* ld-i386/pr17709-nacl.rd: New file.
* ld-i386/pr17709.rd: Likewise.
* ld-i386/pr17709a.s: Likewise.
* ld-i386/pr17709b.s: Likewise.
* ld-i386/protected3.d: Updated.
* ld-i386/protected3.s: Likewise.
* ld-x86-64/pr17709-nacl.rd: New file.
* ld-x86-64/pr17709.rd: Likewise.
* ld-x86-64/pr17709a.s: Likewise.
* ld-x86-64/pr17709b.s: Likewise.
* ld-x86-64/protected3.d: Updated.
* ld-x86-64/protected3.s: Likewise.
* ld-x86-64/x86-64.exp (x86_64tests): Add a test for PR ld/17709.
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bfd/
PR gas/17843
* elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Expect
R_AARCH64_TLSLE_MOVW_TPREL_G0_NC and R_AARCH64_TLSLE_MOVW_TPREL_G1_NC
to be used with MOVK rather than MOVZ.
gas/
PR gas/17843
* config/tc-aarch64.c (process_movw_reloc_info): Allow
R_AARCH64_TLSLE_MOVW_TPREL_G0_NC and R_AARCH64_TLSLE_MOVW_TPREL_G1_NC
for MOVK.
gas/testsuite/
PR gas/17843
* gas/aarch64/tls.s, gas/aarch64/tls.d: Add test for
R_AARCH64_TLSLE_MOVW_TPREL_G0/R_AARCH64_TLSLE_MOVW_TPREL_G1_NC
sequence.
ld/testsuite/
PR gas/17843
* ld-aarch64/tlsle.s, ld-aarch64/tlsle.d: New test.
* ld-aarch64/aarch64-elf.exp: Run it.
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This option is misnamed. It should probably be called -z nodynbss,
but it's too late to change now.
* ld.texinfo (Options <-z nocopyreloc>): Rewrite.
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gas/
* write.c (SUB_SEGMENT_ALIGN): Don't pad non-code sections at
end to their alignment.
gas/testsuite/
* gas/sparc/pcrel.d: Update for changed padding in data sections.
* gas/sparc/pcrel64.d: Likewise.
ld/testsuite/
* ld-sparc/gotop32.rd: Update for changed padding in data sections.
* ld-sparc/gotop32.td: Likewise.
* ld-sparc/gotop64.rd: Likewise.
* ld-sparc/gotop64.td: Likewise.
* ld-tilegx/external.s: Align .data.
* ld-tilepro/external.s: Likewise.
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character in memort region attributes.
PR ld/17900
* ldlang.c (lang_set_flags): Allow exclamation mark to reverse the
sense of the following memory region attribute characters.
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* Makefile.am (ALL_EMULATION_SOURCES): Sort new h8300 entries.
(eh8300elf_linux.c, eh8300helf_linux.c, eh8300self_linux.c,
eh8300sxelf_linux.c): Do not invoke genscripts here.
* Makefile.in: Regenerate.
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Updated how we merge and display this attribute per the latest
EABI documents.
bfd/ChangeLog
* elf32-arm.c (elf32_arm_merge_eabi_attributes): Update how we
merge Tag_ABI_HardFP_use.
binutils/ChangeLog
* readelf.c (arm_attr_tag_ABI_HardFP_use): Update how we
display it.
ld/testsuite/ChangeLog
* ld-arm/attr-merge-3.attr: Remove Tag_ABI_HardFP_use.
* ld-arm/attr-merge-vfp-10.d: Likewise.
* ld-arm/attr-merge-vfp-10r.d: Likewise.
* ld-arm/attr-merge-vfp-12.d: Likewise.
* ld-arm/attr-merge-vfp-12r.d: Likewise.
* ld-arm/attr-merge-vfp-13.d: Likewise.
* ld-arm/attr-merge-vfp-13r.d: Likewise.
* ld-arm/attr-merge-vfp-14.d: Likewise.
* ld-arm/attr-merge-vfp-14r.d: Likewise.
* ld-arm/attr-merge-vfp-6.d: Likewise.
* ld-arm/attr-merge-vfp-6r.d: Likewise.
* ld-arm/attr-merge-vfp-7.d: Likewise.
* ld-arm/attr-merge-vfp-7r.d: Likewise.
* ld-arm/attr-merge-vfp-8.d: Likewise.
* ld-arm/attr-merge-vfp-8r.d: Likewise.
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Make use of the data held within the .avr.prop section during linker
relaxation in order to maintain the properties of the .org and .align
directives.
In relation to the .align directives, if enough bytes are deleted before
a .align directive then the alignment can be moved while still
maintaining the alignment requirement.
bfd/ChangeLog:
* elf32-avr.c (struct elf_avr_section_data): New structure.
(struct avr_relax_info): New structure.
(elf_avr_new_section_hook): New function.
(struct elf_avr_section_data): Add relax_info.
(get_avr_relax_info): New function.
(init_avr_relax_info): New function.
(elf32_avr_relax_delete_bytes): Find next property record before
deleting bytes. When deleting don't move bytes beyond the next
property record.
(avr_elf32_assign_records_to_section): New function.
(avr_property_record_compare): New function.
(avr_load_all_property_sections): New function.
(elf32_avr_relax_section): Load property data. After relaxing the
section, move any .align directives that have enough deleted bytes
before them.
(bfd_elf32_new_section_hook): Define.
ld/testsuite/ChangeLog:
* ld-avr/avr-prop-1.d: New file.
* ld-avr/avr-prop-1.s: New file.
* ld-avr/avr-prop-2.d: New file.
* ld-avr/avr-prop-2.s: New file.
* ld-avr/avr-prop-3.d: New file.
* ld-avr/avr-prop-3.s: New file.
* ld-avr/avr-prop-4.d: New file.
* ld-avr/avr-prop-4.s: New file.
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opcodes/
* sh-opc.h (clrs, sets): Mark as arch_sh3_nommu_up instead of
arch_sh_up.
(pref): Mark as arch_sh2a_nofpu_or_sh3_nommu_up instead of
arch_sh2a_nofpu_or_sh4_nommu_nofpu_up.
gas/testsuite/
* gas/sh/arch/arch.exp: Replace dead code to generate expected .s files
with ...
* gas/sh/arch/sh-opc-gen-as.pl: ... this new script.
* gas/sh/arch/arch_expected.txt: Regenerate.
* gas/sh/arch/sh-dsp.s: Likewise.
* gas/sh/arch/sh-opc-gen-as.pl: Likewise.
* gas/sh/arch/sh.s: Likewise.
* gas/sh/arch/sh2.s: Likewise.
* gas/sh/arch/sh2a-nofpu-or-sh3-nommu.s: Likewise.
* gas/sh/arch/sh2a-nofpu-or-sh4-nommu-nofpu.s: Likewise.
* gas/sh/arch/sh2a-nofpu.s: Likewise.
* gas/sh/arch/sh2a-or-sh3e.s: Likewise.
* gas/sh/arch/sh2a-or-sh4.s: Likewise.
* gas/sh/arch/sh2a.s: Likewise.
* gas/sh/arch/sh2e.s: Likewise.
* gas/sh/arch/sh3-dsp.s: Likewise.
* gas/sh/arch/sh3-nommu.s: Likewise.
* gas/sh/arch/sh3.s: Likewise.
* gas/sh/arch/sh3e.s: Likewise.
* gas/sh/arch/sh4-nofpu.s: Likewise.
* gas/sh/arch/sh4-nommu-nofpu.s: Likewise.
* gas/sh/arch/sh4.s: Likewise.
* gas/sh/arch/sh4a-nofpu.s: Likewise.
* gas/sh/arch/sh4a.s: Likewise.
* gas/sh/arch/sh4al-dsp.s: Likewise.
ld/testsuite/
* ld-sh/arch/arch_expected.txt: Regenerate.
* ld-sh/arch/sh-dsp.s: Likewise.
* ld-sh/arch/sh.s: Likewise.
* ld-sh/arch/sh2.s: Likewise.
* ld-sh/arch/sh2a-nofpu-or-sh3-nommu.s: Likewise.
* ld-sh/arch/sh2a-nofpu-or-sh4-nommu-nofpu.s: Likewise.
* ld-sh/arch/sh2a-nofpu.s: Likewise.
* ld-sh/arch/sh2a-or-sh3e.s: Likewise.
* ld-sh/arch/sh2a-or-sh4.s: Likewise.
* ld-sh/arch/sh2a.s: Likewise.
* ld-sh/arch/sh2e.s: Likewise.
* ld-sh/arch/sh3-dsp.s: Likewise.
* ld-sh/arch/sh3-nommu.s: Likewise.
* ld-sh/arch/sh3.s: Likewise.
* ld-sh/arch/sh3e.s: Likewise.
* ld-sh/arch/sh4-nofpu.s: Likewise.
* ld-sh/arch/sh4-nommu-nofpu.s: Likewise.
* ld-sh/arch/sh4.s: Likewise.
* ld-sh/arch/sh4a-nofpu.s: Likewise.
* ld-sh/arch/sh4a.s: Likewise.
* ld-sh/arch/sh4al-dsp.s: Likewise.
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bfd * elf32-v850.c (v850_set_note): New function. Creates a Renesas
style note entry.
(v850_elf_make_note_section): New function. Creates a note
section.
(v850_elf_create_sections): New function. Create a note section
if one is not already present.
(v850_elf_set_note): New function. Adds a note to a bfd.
(v850_elf_copy_private_bfd_data): New function. Copies V850
notes.
(v850_elf_merge_notes): New function. Merges V850 notes.
(print_v850_note): New function. Displays a V850 note.
(v850_elf_print_notes): New function. Displays all notes attached
to a bfd.
(v850_elf_merge_private_bfd_data): Call v850_elf_merge_notes.
(v850_elf_print_private_bfd_data): Call v850_elf_print_notes.
(v850_elf_fake_sections): Set the type of the V850 note section.
* bfd-in.h (v850_elf_create_sections): Add prototype.
(v850_elf_set_note): Add prototype.
* bfd-in2.h: Regenerate.
binutils* readelf.c (get_machine_flags): Remove deprecated V850 machine
flags.
(get_v850_section_type_name): New function. Handles V850 special
sections.
(get_section_type_name): Add support for V850.
(get_v850_elf_note_type): New function. Returns the name of a
V850 note.
(print_v850_note): New function. Prints a V850 note.
(process_v850_notes): New function. Prints V850 notes.
(process_note_sections): Add support for V850.
binutils/testsute
* binutils-all/objcopy.exp: Skip the strip-10 test for the V850.
gas * config/tc-v850.c (soft_float): New variable.
(v850_data_8): New variable.
(md_show_usage): Add -msoft-float/-mhard-float.
(md_parse_option): Likewise.
(md_begin): Set the default value of soft_float.
(v850_md_end): New function. Creates a note section.
* config/tc-v850.h (md_end): Define.
* doc/c-v850.texi: Document -msoft-float/-mhard-float.
gas/testsuite
* gas/elf/elf.exp: Add special version of the section2 test for
the V850.
* gas/elf/section2.e-v850: New file.
include/elf
* v850.h (EF_RH850_SIMD): Delete deprecated flag.
(EF_RH850_CACHE): Likewise.
(EF_RH850_MMU): Likewise.
(EF_RH850_DATA_ALIGN8): Likewise.
(SHT_RENESAS_IOP): Fix typo in name.
(SHT_RENESAS_INFO): Define.
(V850_NOTE_SECNAME): Define.
(SIZEOF_V850_NOTE): Define.
(V850_NOTE_NAME): Define.
(enum v850_notes): New enum.
(NUM_V850_NOTES): Define.
ld/ChangeLog
2015-02-24 Nick Clifton <nickc@redhat.com>
* Makefile.am (ev850.c): Add dependency upon
$(srcdir)/emultempl/v850elf.em.
(ev850_rh850.c): Likewise.
* Makefile.in: Regenerate.
* emultempl/v850elf.em: New file.
* emulparams/v850.sh (EXTRA_EM_FILE): Define.
* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
* scripttempl/v850.sc: Add .note.renesas section.
* scripttempl/v850_rh850.sc: Likewise.
ld/testsuite
* ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.
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* ld-elf/merge3.s, * ld-elf/merge3.d: New test.
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__<name>_REGION_LENGTH__ symbols, if provided, for setting memory region lengths, defaulting to the current constant values otherwise.
ld * scripttempl/avr.sc: Add new user_signatures region. Define and Use
symbols for all region lengths.
* scripttempl/avrtiny.sc: Define and use symbols for all region lengths.
testsuite * ld-avr/region_overflow.d: New test.
* ld-avr/region_overflow.s: Likewise.
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ld * Makefile.am: (ALL_EMULATION_SOURCES): Add new emulations.
* Makefile.in: Regenerate.
* configure.tgt: Add h8300-*-linux
* emulparams/h8300elf_linux.sh: Add new emulation.
* emulparams/h8300helf_linux.sh: Likewise.
* emulparams/h8300self_linux.sh: Likewise.
* emulparams/h8300sxelf_linux.sh: Likewise.
bfd * config.bfd: Add h8300-*-linux.
* configure.ac: Add h8300_elf32_linux_vec.
* configure: Regenerate.
* elf32-h8300.c: Likewise.
* targets.c(_bfd_target_vector): Likewise.
gas * config/tc-h8300.c (line_separater_chars): Add a version for
h8300-linux that includes a separator.
(default_mach): New variable.
(md_main): Use it.
(md_longopts): Add '--march' option.
(md_parse_option): Parse the new option.
* config/tc-h8300.h (TARGET_FORMAT): Add elf32-h8300-linux.
* configure.tgt: Add h8300-*-linux
* doc/c-h8300.texi: Document --march.
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option".
* lexsup.c (parse_args): Produce a more reasonable error message
when -ixxx or -rxxx is the last option on the linker command line.
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PR ld/4317
* ld-i386/compressed1.d: Use nm/readelf with "failif".
* ld-x86-64/compressed1.d: Likewise.
* ld-x86-64/pie1.d: Likewise.
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bfd/
PR ld/4317
* elflink.c (elf_link_input_bfd): Drop undefined local syms.
(elf_link_output_extsym): Drop local and global undefined syms.
Tidy. Expand comment.
ld/testsuite/
PR ld/4317
* ld-aarch64/gc-tls-relocs.d, * ld-cris/locref2.d,
* ld-elf/ehdr_start-weak.d, * ld-elf/group1.d,
* ld-i386/compressed1.d, * ld-ia64/error1.d, * ld-ia64/error2.d,
* ld-ia64/error3.d, * ld-mips-elf/pic-and-nonpic-1.nd,
* ld-mmix/undef-3.d, * ld-powerpc/tlsexe.r, * ld-powerpc/tlsexetoc.r,
* ld-powerpc/tlsso.r, * ld-powerpc/tlstocso.r,
* ld-x86-64/compressed1.d, * ld-x86-64/pie1.d: Update.
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I was having a little closer look at what is going on here and noticed
that HJ unconditionally emits a NULL STT_FILE symbol before emitting
forced local symbols. That means we really don't need a second pass
over forced local symbols. The only reason for two passes is when
some forced local symbol can be emitted before the NULL STT_FILE. So
I set about removing the second pass, updating the testsuite all over
again. It's also unnecessary to emit the NULL STT_FILE when no
previous file symbol has been emitted.
bfd/
PR ld/17975
* elflink.c (struct elf_outext_info): Remove need_second_pass
and second_pass.
(elf_link_output_extsym): Delete code handling second forced
local pass. Move code emitting NULL STT_FILE symbol later, so
that it can be omitted if forced local is stripped. Don't
emit the NULL STT_FILE if no file symbols have been output.
(bfd_elf_final_link): Remove second forced local pass.
* elf32-ppc.c (add_stub_sym): Set linker_def on linker syms.
(ppc_elf_size_dynamic_sections): Likewise.
* elf64-ppc.c (ppc_build_one_stub): Likewise.
(build_global_entry_stubs): Likewise.
(ppc64_elf_build_stubs): Likewise.
ld/testsuite/
PR ld/17975
* ld-aarch64/gc-tls-relocs.d, * ld-alpha/tlspic.rd,
* ld-cris/libdso-2.d, * ld-i386/tlsdesc-nacl.rd, * ld-i386/tlsdesc.rd,
* ld-i386/tlsnopic-nacl.rd, * ld-i386/tlsnopic.rd,
* ld-i386/tlspic-nacl.rd, * ld-i386/tlspic.rd, * ld-ia64/tlspic.rd,
* ld-powerpc/tlsexe.r, * ld-powerpc/tlsexetoc.r,
* ld-powerpc/tlsso.r, * ld-powerpc/tlstocso.r,
* ld-s390/tlspic.rd, * ld-s390/tlspic_64.rd,
* ld-sparc/tlssunnopic32.rd, * ld-sparc/tlssunnopic64.rd,
* ld-sparc/tlssunpic32.rd, * ld-sparc/tlssunpic64.rd,
* ld-tic6x/shlib-1.rd, * ld-tic6x/shlib-1b.rd, * ld-tic6x/shlib-1r.rd,
* ld-tic6x/shlib-1rb.rd, * ld-tic6x/shlib-noindex.rd,
* ld-x86-64/tlsdesc-nacl.rd, * ld-x86-64/tlsdesc.rd,
* ld-x86-64/tlspic-nacl.rd, * ld-x86-64/tlspic.rd: Update.
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* ld-alpha/tlspic.rd: Updated.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
* ld-s390/tlspic.rd: Likewise.
* ld-s390/tlspic_64.rd: Likewise.
* ld-sparc/gotop32.dd: Likewise.
* ld-sparc/gotop64.dd: Likewise.
* ld-sparc/tlssunnopic32.rd: Likewise.
* ld-sparc/tlssunnopic64.rd: Likewise.
* ld-sparc/tlssunpic32.rd: Likewise.
* ld-sparc/tlssunpic64.rd: Likewise.
* ld-tic6x/shlib-1.rd: Likewise.
* ld-tic6x/shlib-1b.rd: Likewise.
* ld-tic6x/shlib-1r.rd: Likewise.
* ld-tic6x/shlib-1rb.rd: Likewise.
* ld-tic6x/shlib-noindex.rd: Likewise.
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We output a NULL STT_FILE symbol for forced local symbols so that they
are not associated with the STT_FILE symbol for real local symbols. This
patch makes sure that the NULL STT_FILE symbol is placed before forced
local symbols.
bfd/
PR ld/17975
* elflink.c (elf_link_output_extsym): Only check filesym_count
when outputting a NULL FILE symbol. Set second_pass_sym to
h->forced_local && !h->root.linker_def.
ld/testsuite/
PR ld/17975
* ld-i386/tlsbin-nacl.rd: Likewise.
* ld-i386/tlsbin.rd: Likewise.
* ld-i386/tlsbindesc-nacl.rd: Likewise.
* ld-i386/tlsbindesc.rd: Likewise.
* ld-i386/tlsdesc-nacl.rd: Likewise.
* ld-i386/tlsdesc.rd: Likewise.
* ld-i386/tlsnopic-nacl.rd: Likewise.
* ld-i386/tlsnopic.rd: Likewise.
* ld-i386/tlspic-nacl.rd: Likewise.
* ld-i386/tlspic.rd: Likewise.
* ld-x86-64/tlsbin-nacl.rd: Likewise.
* ld-x86-64/tlsbin.rd: Likewise.
* ld-x86-64/tlsbindesc-nacl.rd: Likewise.
* ld-x86-64/tlsbindesc.rd: Likewise.
* ld-x86-64/tlsdesc-nacl.rd: Likewise.
* ld-x86-64/tlsdesc.rd: Likewise.
* ld-x86-64/tlspic-nacl.rd: Likewise.
* ld-x86-64/tlspic.rd: Likewise.
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ld/
PR ld/17973
* testplug2.c (allsymbolsread_silent): New.
(set_register_hook): Handle allsymbolsreadsilent.
(onall_symbols_read): Skip a message if allsymbolsread_silent is
TRUE.
ld/testsuite/
PR ld/17973
* ld-plugin/plugin.exp (regassilent): New.
Compile tmpdir/dummy.s and ld-plugin/pr17973.s.
(plugin_tests): Add a test for PR ld/17973.
* ld-plugin/pr17973.d: New file.
* ld-plugin/pr17973.s: Likewise.
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LTO output objects have an STT_FILE symbol using the name of the file,
a temporary file. This results in executables that can't be exactly
reproduced, so the file name needs to be dropped. We don't want to
lose all file symbols when linking a mix of lto and non-lto objects as
a file symbol can be used to figure which source file generated a
given local symbol. So lto output objects need to be marked.
I chose to mark lto output objects with a new bfd flag. This flag is
also used to fix a bug in the link-once handling; An object being
loaded after "loading_lto_outputs" is set might be one extracted from
an archive to satisfy new references from lto objects, not an lto
object itself.
The new flag is copied from archive to elements, and the same done
for no_export. This fixes a bug in that --exclude-libs doesn't work
with thin archives. I'm not completely happy with this part of the
patch and may revist this to avoid the hack in
_bfd_look_for_bfd_in_cache.
PR ld/17973
include/
* bfdlink.h (struct bfd_link_info): Delete loading_lto_outputs.
bfd/
* bfd.c (struct bfd): Add lto_output.
* linker.c (_bfd_handle_already_linked): Explicitly test for
objects added by the lto plugin.
* opncls.c (_bfd_new_bfd_contained_in): Copy lto_output and
no_export flags from archive.
* archive.c (open_nested_file): New function, setting lto_output
and no_export, extracted from..
(find_nested_archive): ..here. Flip params. Rename from
_bfd_find_nested_archive.
(_bfd_get_elt_at_filepos): Correct var typo. Use open_nested_file.
(_bfd_look_for_bfd_in_cache): Copy no_export.
* elflink.c (elf_link_add_object_symbols): Remove now unnecessary
my_archive->no_export test.
(elf_link_input_bfd): Drop existing lto_output STT_FILE syms.
Don't use the file name when adding lto_output STT_FILE sym.
* bfd-in2.h: Regenerate.
ld/
* ldlang.h (struct lang_input_statement_flags): Add lto_output.
* ldlang.c (lang_process): Don't set loading_lto_outputs.
* ldfile.c (ldfile_try_open_bfd): Transfer entry flags.lto_output
to bfd.
* plugin.c (add_input_file, add_input_library): Set flags.lto_output.
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* NEWS: Mention support for LLVM plugin.
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Fixes
warning: @pxref cross-reference name should not contain `:'
* ld.texinfo (Options <--defsym>): Correct cross reference.
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* ld-i386/i386.exp: Replace elf_i386 with elf_i386_nacl for nacl.
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Gold supports:
--map-whole-files Map whole files to memory (default on 64-bit hosts)
--no-map-whole-files Map relevant file parts to memory (default on 32-bit hosts)
This patch adds --[no-]map-whole-files command line options for gold
compatibility. They are ignored for ld.
* lexsup.c (ld_options): Add --[no-]map-whole-files for gold
option compatibility.
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When plugin generates LDPL_WARNING, LDPL_FATAL and LDPL_ERROR messages,
linker should display "warning:" or "error:" in plugin messages like
regular linker messages.
ld/
* plugin.c (message): Output "warning:" for LDPL_WARNING. Output
"error:" for LDPL_FATAL and LDPL_ERROR.
* testplug2.c (parse_option): Handle fatal, error and warning.
ld/testsuite/
* ld-plugin/plugin-27.d: New.
* ld-plugin/plugin-28.d: Likewise.
* ld-plugin/plugin-29.d: Likewise.
* plugin.exp (plugin_tests): Add tests for LDPL_FATAL, LDPL_ERROR
and LDPL_WARNING.
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* testplug2.c (dump_tv_tag): Removed.
(onall_symbols_read): Return LDPS_ERR if the file descriptor isn't
closed.
* testplug3.c (dump_tv_tag): Removed.
(onclaim_file): Fix typo.
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This patch adds linker, nm and ar tests for non-object IR file, including
archive with non-object IR member.
ld/
PR ld/17878
* Makefile.am (noinst_LTLIBRARIES): Add libldtestplug2.la and
libldtestplug3.la.
(libldtestplug2_la_SOURCES): New.
(libldtestplug2_la_CFLAGS): Likewise.
(libldtestplug2_la_LDFLAGS): Likewise.
(libldtestplug3_la_SOURCES): New.
(libldtestplug3_la_CFLAGS): Likewise.
(libldtestplug3_la_LDFLAGS): Likewise.
* Makefile.in: Regenerated.
* testplug2.c: New file.
* testplug3.c: Likewise.
ld/testsuite/
PR ld/17878
* ld-plugin/func.c: Add some comments.
* ld-plugin/plugin-13.d: New file.
* ld-plugin/plugin-14.d: Likewise.
* ld-plugin/plugin-15.d: Likewise.
* ld-plugin/plugin-16.d: Likewise.
* ld-plugin/plugin-17.d: Likewise.
* ld-plugin/plugin-18.d: Likewise.
* ld-plugin/plugin-19.d: Likewise.
* ld-plugin/plugin-20.d: Likewise.
* ld-plugin/plugin-21.d: Likewise.
* ld-plugin/plugin-22.d: Likewise.
* ld-plugin/plugin-23.d: Likewise.
* ld-plugin/plugin-24.d: Likewise.
* ld-plugin/plugin-25.d: Likewise.
* ld-plugin/plugin-26.d: Likewise.
* ld-plugin/plugin.exp (plugin2_name): New.
(plugin3_name): Likewise.
(plugin2_path): Likewise.
(plugin3_path): Likewise.
(testsrcfiles): Likewise.
(testsrcfiles_notext): Likewise.
(plugin_tests): Add tests for non-object IR file.
(plugin_lib_tests): Likewise.
(plugin_extra_elf_tests): Likewise.
(plugin_src_tests): New tests for non-object IR file.
Run nm --plugin test.
Run ar --plugin test.
Run plugin_src_tests.
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Linker plugin_maybe_claim is the interface of linker plugin support.
This patch extracts linker plugin_maybe_claim into plugin_object_p and
makes it available to BFD via a new function:
void register_ld_plugin_object_p (const bfd_target *(*) (bfd *));
bfd_plugin_object_p calls plugin_object_p registered by linker first. It
adds an enum bfd_plugin_format field and a pointer to plugin dummy BFD so
that plugin_object_p stores plugin dummy BFD to allow plugin_maybe_claim
to retrieve it later.
bfd/
PR ld/17878
* bfd.c (bfd_plugin_format): New.
(bfd): Add plugin_format and plugin_dummy_bfd.
* plugin.c (try_load_plugin): Take a pointer to bfd_boolean
argument to return TRUE if any plugin is found. Set plugin_format.
(has_plugin): New.
(bfd_plugin_target_p): New.
(bfd_plugin_specified_p): Likewise.
(bfd_plugin_target_p): Likewise.
(register_ld_plugin_object_p): Likewise.
(bfd_plugin_set_plugin): Set has_plugin.
(load_plugin): Cache try_load_plugin result.
(bfd_plugin_object_p): Try ld_plugin_object_p first. Check
plugin_format.
* plugin.h (bfd_plugin_target_p): New.
(bfd_plugin_specified_p): Likewise.
(register_ld_plugin_object_p): Likewise.
* bfd-in2.h: Regenerated.
ld/
PR ld/17878
* plugin.c: Include ../bfd/plugin.h.
(plugin_get_ir_dummy_bfd): Call bfd_create with
link_info.output_bfd instead of srctemplate. Copy BFD info
from srctemplate only if it doesn't use BFD plugin target
vector.
(plugin_load_plugins): Call register_ld_plugin_object_p with
(plugin_object_p)
(plugin_maybe_claim): Renamed to ...
(plugin_object_p): This. Return dummy BFD target vector if
input is calimed by plugin library, otherwise return NULL.
Update plugin_format and plugin_dummy_bfd.
(plugin_maybe_claim): New. Use plugin_object_p.
xx
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* plugin.c (plugin_maybe_claim): Initialize use_mmap.
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If plugin didn't claim the file, unmap the buffer.
* plugin.c (plugin_input_file_t): Add use_mmap.
(plugin_pagesize): New.
(get_view): Use plugin_pagesize. Set use_mmap if mmap is used.
(plugin_load_plugins): Initialize plugin_pagesize.
(plugin_maybe_claim): Unmap the buffer if plugin didn't claim the
file.
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Offset passed to mmap must be a multiple of the page size. This patch
aligns offset passed to mmap.
* plugin.c (get_view): Align offset passed to mmap.
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When plugin isn't active or there is no thing more to claim, we don't
need to call bfd_check_format.
* ldfile.c (ldfile_try_open_bfd): Don't call bfd_check_format
if plugin isn't active or there is no thing more to claim.
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There is no need to call bfd_check_format. We should just check format
against bfd_object directly.
* plugin.c (plugin_maybe_claim): Check format against bfd_object
directly.
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* plugin.c (plugin_maybe_claim): Replace entry->the_bfd with
ibfd.
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This patch removes the argument of pointer to struct ld_plugin_input_file.
This is the first step to extract a plugin_object_p out of
plugin_maybe_claim for BFD.
* plugin.c: Include "libbfd.h".
(plugin_strdup): New.
(plugin_maybe_claim): Remove the argument of pointer to struct
ld_plugin_input_file. Open and handle input entry.
* plugin.h (plugin_maybe_claim): Updated.
* ldfile.c (ldfile_try_open_bfd): Call plugin_maybe_claim directly
without passing a pointer to struct ld_plugin_input_file.
* ldmain.c: Don't include "libbfd.h".
(add_archive_element): Call plugin_maybe_claim directly without
passing a pointer to struct ld_plugin_input_file.
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This patch changes linker to issue a warning for relocation in readonly
section for -z text.
bfd/
PR ld/17935
* elf32-i386.c (elf_i386_readonly_dynrelocs): Also issue a
warning for relocation in readonly section for -z text.
(elf_i386_size_dynamic_sections): Likewise.
* elf64-x86-64.c (elf_x86_64_readonly_dynrelocs): Likewise.
(elf_x86_64_size_dynamic_sections): Likewise.
ld/testsuite/
PR ld/17935
* ld-i386/i386.exp: Run pr17935-1 and pr17935-2.
* ld-x86-64/x86-64.exp: Likewise.
* ld-i386/pr17935-1.d: New file.
* ld-i386/pr17935-1.s: Likewise.
* ld-i386/pr17935-2.d: Likewise.
* ld-i386/pr17935-2.s: Likewise.
* ld-x86-64/pr17935-1.d: Likewise.
* ld-x86-64/pr17935-1.s: Likewise.
* ld-x86-64/pr17935-2.d: Likewise.
* ld-x86-64/pr17935-2.s: Likewise.
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* ld.texinfo: Document -z text, -z notext and -z textoff.
* emultempl/elf32.em (gld${EMULATION_NAME}_list_options): Add
-z text, -z notext and -z textoff.
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This patch uses mmap if it is available and works. It also caches the
view buffer for get_view.
* configure.ac: Add AC_FUNC_MMAP.
* config.in: Regenerated.
* configure: Likewise.
* plugin.c: Include <sys/mman.h>.
(MAP_FAILED): New. Defined if not defined.
(PROT_READ): Likewise.
(MAP_PRIVATE): Likewise.
(view_buffer_t): New.
(plugin_input_file_t): Add view_buffer.
(get_view): Try mmap and cache the view buffer.
(plugin_maybe_claim): Initialize view_buffer.
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Mark the unused plugin defined symbol in elf_link_input_bfd instead of
_bfd_elf_fix_symbol_flags. Limit the PR ld/12365 test to x86 targets.
bfd/
PR ld/12365
PR ld/14272
* elflink.c (_bfd_elf_fix_symbol_flags): Revert the last change.
(elf_link_input_bfd): Mark the plugin symbol undefined if it is
referenced from a non-IR file.
ld/testsuite/
PR ld/12365
PR ld/14272
* ld-plugin/lto.exp: Run the PR ld/12365 test only for x86 targets.
* ld-plugin/plugin-7.d: Updated.
* ld-plugin/plugin-8.d: Likewise.
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This patch closes fd only if fd != -1.
* plugin.c (release_input_file): Set fd to -1 after closing it.
(plugin_maybe_claim): Close fd only if fd != -1.
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