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* intl: Remove directory. Replaced with out-of-tree GNU gettext.
* .gitignore: Add '/gettext*'.
* configure.ac (host_libs): Replace intl with gettext. (hbaseargs, bbaseargs, baseargs): Split baseargs into {h,b}baseargs. (skip_barg): New flag. Skips appending current flag to bbaseargs. <library exemptions>: Exempt --with-libintl-{type,prefix} from target and build machine argument passing.
* configure: Regenerate.
* Makefile.def (host_modules): Replace intl module with gettext module. (configure-ld): Depend on configure-gettext.
* Makefile.in: Regenerate.
* src-release.sh: Remove references to the intl/ directory.
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long form.
PR 28910
* lexsup.c (ld_options): Ensure that the --mri-script option is correctly recognised.
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PR 28910
* lexsup.c (ld_options): Ensure that the --format option is correctly recognised.
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commit d173146d9 "MIPS: Change all E_MIPS_* to EF_MIPS_*"
changed gas/config.in to rename USE_E_MIPS_ABI_O32 to USE_EF_MIPS_ABI_O32
this new name sorts differently when regenerating gas/config.in
commit e922d1eaa "Add ability to change linker warning messages into
errors when reporting executable stacks and/or executable segments."
Introduced two new help strings for --enable-error-execstack and
--enable-error-rwx-segments in configure.ac which weren't included
in ld/configure when regenerated.
* gas/config.in: Regenerate.
* ld/configure: Likewise.
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executable stacks and/or executable segments.
include
* bfdlink.h (struct bfd_link_info): Update descriptions of the 'execstack', 'noexecstack' and 'warn_execstack' fields. Add 'error_exectack' and 'warn_is_error_for_rwx_segments' fields.
bfd
* elf.c (assign_file_positions_except_relocs): Turn warnings about executable segments into errors if so requested.
* elflink.c (bfd_elf_size_dynamic_sections): Turn warnings about executable stacks into errors if so requested.
ld
* ldlex.h (enum option_values): Add OPTION_ERROR_EXECSTACK, OPTION_NO_ERROR_EXECSTACK, OPTION_WARN_EXECSTACK_OBJECTS, OPTION_ERROR_RWX_SEGMENTS and OPTION_NO_ERROR_RWX_SEGMENTS. (struct ld_option): Add new long options. (parse_args): Parse new long options. (elf_static_list_options): Display the new options.
* ld.texi: Document the new command line options.
* configure.ac (error-execstack): New configuration option. (error-rwx-segments): New configuration option.
* emultempl/elf.em (_before_parse): Initialse the new linkinfo fields.
* NEWS: Mention the new features.
* config.in: Regenerate.
* configure: Regenerate.
* testsuite/ld-elf/commonpage2.d: Disable errors for RWX segments and/or executable stacks.
* testsuite/ld-elf/elf.exp: Likewise.
* testsuite/ld-elf/header.d: Likewise.
* testsuite/ld-elf/loadaddr1.d: Likewise.
* testsuite/ld-elf/loadaddr2.d: Likewise.
* testsuite/ld-elf/maxpage4.d: Likewise.
* testsuite/ld-elf/nobits-1.d: Likewise.
* testsuite/ld-elf/note-1.d: Likewise.
* testsuite/ld-elf/orphan-10.d: Likewise.
* testsuite/ld-elf/orphan-11.d: Likewise.
* testsuite/ld-elf/orphan-12.d: Likewise.
* testsuite/ld-elf/orphan-5.d: Likewise.
* testsuite/ld-elf/orphan-7.d: Likewise.
* testsuite/ld-elf/orphan-8.d: Likewise.
* testsuite/ld-elf/orphan-9.d: Likewise.
* testsuite/ld-elf/orphan-region.d: Likewise.
* testsuite/ld-elf/orphan.d: Likewise.
* testsuite/ld-elf/pr19539.d: Likewise.
* testsuite/ld-elf/pr26256-1a.d: Likewise.
* testsuite/ld-elf/pr26907.d: Likewise.
* testsuite/ld-elf/pr28597.d: Likewise.
* testsuite/ld-elf/retain2.d: Likewise.
* testsuite/ld-elf/shared.exp: Likewise.
* testsuite/ld-elf/size-1.d: Likewise.
* testsuite/ld-elf/textaddr7.d: Likewise.
* testsuite/ld-elf/warn1.d: Likewise.
* testsuite/ld-elf/warn2.d: Likewise.
* testsuite/ld-i386/discarded1.d: Likewise.
* testsuite/ld-i386/pr19175.d: Likewise.
* testsuite/ld-i386/pr19539.d: Likewise.
* testsuite/ld-i386/pr23189.d: Likewise.
* testsuite/ld-plugin/lto-3r.d: Likewise.
* testsuite/ld-plugin/lto-5r.d: Likewise.
* testsuite/ld-plugin/lto.exp: Likewise.
* testsuite/ld-powerpc/ppc476-shared.d: Likewise.
* testsuite/ld-powerpc/ppc476-shared2.d: Likewise.
* testsuite/ld-powerpc/pr28827-2.d: Likewise.
* testsuite/ld-s390/s390.exp: Likewise.
* testsuite/ld-scripts/align2a.d: Likewise.
* testsuite/ld-scripts/align2b.d: Likewise.
* testsuite/ld-scripts/align5.d: Likewise.
* testsuite/ld-scripts/alignof.exp: Likewise.
* testsuite/ld-scripts/crossref.exp: Likewise.
* testsuite/ld-scripts/defined2.d: Likewise.
* testsuite/ld-scripts/defined3.d: Likewise.
* testsuite/ld-scripts/defined5.d: Likewise.
* testsuite/ld-scripts/pr14962.d: Likewise.
* testsuite/ld-scripts/pr18963.d: Likewise.
* testsuite/ld-scripts/pr20302.d: Likewise.
* testsuite/ld-scripts/print-memory-usage.exp: Likewise.
* testsuite/ld-scripts/rgn-at1.d: Likewise.
* testsuite/ld-scripts/rgn-at10.d: Likewise.
* testsuite/ld-scripts/rgn-at4.d: Likewise.
* testsuite/ld-scripts/rgn-at6.d: Likewise.
* testsuite/ld-scripts/rgn-at8.d: Likewise.
* testsuite/ld-scripts/rgn-at9.d: Likewise.
* testsuite/ld-scripts/rgn-over1.d: Likewise.
* testsuite/ld-scripts/rgn-over2.d: Likewise.
* testsuite/ld-scripts/rgn-over4.d: Likewise.
* testsuite/ld-scripts/rgn-over5.d: Likewise.
* testsuite/ld-scripts/rgn-over6.d: Likewise.
* testsuite/ld-scripts/script.exp: Likewise.
* testsuite/ld-scripts/sizeof.exp: Likewise.
* testsuite/ld-scripts/sort-file.d: Likewise.
* testsuite/ld-x86-64/discarded1.d: Likewise.
* testsuite/ld-x86-64/pr19175.d: Likewise.
* testsuite/ld-x86-64/pr19539a.d: Likewise.
* testsuite/ld-x86-64/pr19539b.d: Likewise.
* testsuite/ld-x86-64/pr23189.d: Likewise.
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The tests are not compatible with ilp32 abi: the GNU property
note is ABI dependent (size changes) and the disasm is ABI
dependent too. Making the test portable between the ABIs is
not trivial.
For now force lp64 abi.
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The test creates a large shared library and covers a number of
BTI stub insertion cases.
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In a safety context, it could interesting to track the trampolines being
generated, ensuring there are expected or not.
bfd/ChangeLog:
* elf32-ppc.c (ppc_elf_relax_section): Log branch fixups.
ld/ChangeLog:
* ld.texi (--print-map): Add new item about fixups.
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PR ld/30722
Tests looking for certain .note-section recorded properties may not
involve object files from the underlying platform (e.g. via using the C
compiler for linking): Such object files may themselves have similar
note sections, and hence they may influence the overall outcome.
For now convert just the tests known to be affected by crt*.o coming
with "ISA v3 needed" notes. Eventually other tests ought to be
converted, too.
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This reverts commit bf77f42f6708d8b5ba92336d876042826d8d29c1.
It wrongly altered testcase expectations; the issue will need
taking care of differently.
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PR 30865
* ld.texi: Update description of the FILL command.
* testsuite/ld-scripts/fill2.d: New test.
* testsuite/ld-scripts/fill2.t: New test source.
* testsuite/ld-scripts/data.exp: Run the new test.
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* testsuite/ld-x86-64/property-3.r: Update regexp to allow for targets which support x86-64-v3.
* testsuite/ld-x86-64/property-4.r: Likewise.
* testsuite/ld-x86-64/property-5.r: Likewise.
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PR 27565
* ldlex.l: Add REVERSE.
* ldgram.y: Allow REVERSE to be used wherever a sorting command can be used.
* ld.h (struct wildcard_spec): Add 'reversed' field.
* ldlang.h (lang_wild_statement_struct): Add 'filenames_reversed' field.
* ldlang.c (compare_sections): Add reversed parameter. (wild_sort): Reverse the comparison if requested. (print_wild_statement): Handle the reversed field.
* ld.texi: Document the new feature.
* NEWS: Mention the new feature.
* testsuite/ld-scripts/sort-file-reversed-1.d: New test driver.
* testsuite/ld-scripts/sort-file-reversed-1.t: New test source.
* testsuite/ld-scripts/sort-file-reversed-2.t: New test source.
* testsuite/ld-scripts/sort-file-reversed-2.d: New test driver.
* testsuite/ld-scripts/sort-sections-reversed-1.d: New test driver.
* testsuite/ld-scripts/sort-sections-reversed-1.t: New test source.
* testsuite/ld-scripts/sort-sections-reversed-2.t: New test source.
* testsuite/ld-scripts/sort-sections-reversed-2.d: New test driver.
* testsuite/ld-scripts/sort-sections-reversed-3.d: New test driver.
* testsuite/ld-scripts/sort-sections-reversed-3.t: New test source.
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PR 30984
* ldelf.c (ldelf_place_orphan): Don't allow bfd_abs_section as
a potential output section.
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mention the name of the command.
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PR 28910
* lexsup.c (ld_options): Require that the --architecture option is given exactly two dashes, so that it does not become confused with the -a option.
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xmalloc should be called in ld instead of bfd_malloc.
ld/ChangeLog:
* emultempl/nto.em (nto_lookup_QNX_note_section): Replace
bfd_malloc by xmalloc.
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This warning is triggered only when a stack parameter is given to
the linker.
ld/ChangeLog:
* emultempl/nto.em: Add warning when several QNX .note are
detected.
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The warning was skipped if -zstack-size is not provided.
ld/ChangeLog:
* emultempl/nto.em: Move --lazy-stack warning before missing
-zstack-size skip.
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Up to now, the linker would always create a QNX stack note from scratch.
However, object files could already have such note, ending up into
duplicates. QNX loader doesn't handle that.
Update the mechanism to first search through the input files for a .note
section holding a QNX stack note. If none are found, then a new section
is created into the stub file as before. This requires this search to be
done once the file have been opened, moving the whole logic a bit later
in the emulation process.
As part for this update, also allow to request an executable stack
without necessarily having to provide its size as well. In this case, s
etup a default lazy stack of 0x1000.
ld/ChangeLog:
* emultempl/nto.em (nto_create_QNX_note_section): New Function.
(nto_lookup_QNX_note_section): New Function.
(nto_add_note_section): Move the creation of the note section
in the above new functions.
(nto_create_output_section_statements): rename nto_after_open
* testsuite/ld-aarch64/aarch64-nto.exp: add new test.
* testsuite/ld-aarch64/nto-stack-note-3.d: New test.
* testsuite/ld-aarch64/nto-stack-note.s: New test.
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PR 30951
* ldlex.l (yy_input): Check for YY_CURRENT_BUFFER being NULL.
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PR 30954
* ldlang.c (map_input_to_output_sections): Check that os is non NULL before using it.
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PR 30905
* testsuite/ld-elf/pr28158.rd: Adjust regexp to allow for section indicies larger than 9.
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systems
PR 30917
* testsuite/ld-elf/dt-relr.exp: Skip for MUSL targets.
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PR 30918
* testsuite/ld-shared/shared.exp: Add XFAILs for tests that fail with the MUSL library.
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targets
PR 30923
* testsuite/ld-arm/thumb-plt-got.d: Skip test for configurations using the MUSL library.
* testsuite/ld-arm/thumb-plt.d: Likewise.
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PR 30925
PR 22001
* testsuite/ld-i386/i386.exp: Skip the pr22001 test with TEXTREL relocations enabled on configurations using the MUSL library.
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arm-linux-musleabihf
PR 30924
* testsuite/ld-elfvers/vers.exp (objdump_emptyverstuff): Handle EABI version information in objdump's output.
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The linker will generate warnings if it is creating an executable
stack or a segment with all three read, write and execute permissions.
These settings are not appropriate for all targets including
MicroBlaze.
Signed-off-by: Neal Frager <neal.frager@amd.com>
Signed-off-by: Michael J. Eager <eager@eagercon.com>
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The PLT entry in executables and shared libraries contains an indirect
branch, like
jmp *foo@GOTPCREL(%rip)
push $index_foo
jmp .PLT0
or
endbr64
jmp *foo@GOTPCREL(%rip)
NOP padding
which is used to branch to the function, foo, defined in another object.
Each R_X86_64_JUMP_SLOT relocation has a corresponding PLT entry.
The dynamic tags have been added to the x86-64 psABI to mark such PLT
entries:
https://gitlab.com/x86-psABIs/x86-64-ABI/-/commit/6d824a52a42d173eb838b879616c1be5870b593e
Add an x86-64 linker option, -z mark-plt, to mark PLT entries with
#define DT_X86_64_PLT (DT_LOPROC + 0)
#define DT_X86_64_PLTSZ (DT_LOPROC + 1)
#define DT_X86_64_PLTENT (DT_LOPROC + 3)
1. DT_X86_64_PLT: The address of the procedure linkage table.
2. DT_X86_64_PLTSZ: The total size, in bytes, of the procedure linkage
table.
3. DT_X86_64_PLTENT: The size, in bytes, of a procedure linkage table
entry.
and set the r_addend field of the R_X86_64_JUMP_SLOT relocation to the
memory offset of the indirect branch instruction. The dynamic linker
can use these tags to update the PLT section to direct branch.
bfd/
* elf-linker-x86.h (elf_linker_x86_params): Add mark_plt.
* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Set the
r_addend of R_X86_64_JUMP_SLOT to the indirect branch offset
in PLT entry for -z mark-plt.
* elfxx-x86.c (_bfd_x86_elf_size_dynamic_sections): Add
DT_X86_64_PLT, DT_X86_64_PLTSZ and DT_X86_64_PLTENT for
-z mark-plt.
(_bfd_x86_elf_finish_dynamic_sections): Set DT_X86_64_PLT,
DT_X86_64_PLTSZ and DT_X86_64_PLTENT.
(_bfd_x86_elf_get_synthetic_symtab): Ignore addend for
JUMP_SLOT relocation.
(_bfd_x86_elf_link_setup_gnu_properties): Set
plt_indirect_branch_offset.
* elfxx-x86.h (elf_x86_plt_layout): Add plt_indirect_branch_offset.
binutils/
* readelf.c (get_x86_64_dynamic_type): New function.
(get_dynamic_type): Call get_x86_64_dynamic_type.
include/
* elf/x86-64.h (DT_X86_64_PLT): New.
(DT_X86_64_PLTSZ): Likewise.
(DT_X86_64_PLTENT): Likewise.
ld/
* ld.texi: Document -z mark-plt and -z nomark-plt.
* emulparams/elf32_x86_64.sh: Source x86-64-plt.sh.
* emulparams/elf_x86_64.sh: Likewise.
* emulparams/x86-64-plt.sh: New file.
* testsuite/ld-x86-64/mark-plt-1.s: Likewise.
* testsuite/ld-x86-64/mark-plt-1a-x32.d: Likewise.
* testsuite/ld-x86-64/mark-plt-1a.d: Likewise.
* testsuite/ld-x86-64/mark-plt-1b-x32.d: Likewise.
* testsuite/ld-x86-64/mark-plt-1b.d: Likewise.
* testsuite/ld-x86-64/mark-plt-1c-x32.d: Likewise.
* testsuite/ld-x86-64/mark-plt-1c.d: Likewise.
* testsuite/ld-x86-64/mark-plt-1d-x32.d: Likewise.
* testsuite/ld-x86-64/mark-plt-1d.d: Likewise.
* testsuite/ld-x86-64/x86-64.exp: Run -z mark-plt tests.
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`. = .` assignment
PR 30875
* ldlang.c (get_os_init_flag): New function. (exp_init_os, map_input_to_output_sections): Use it.
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This reverts commit 6e467e9a94c1135bd11d985e9263d43204a9258b.
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This reverts commit 4deb1ee57fdb711cac6f36fed75b3c8cb5112d99.
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This reverts commit a47d304b1229ecf8912fac17ee9c48d1bf3c729a.
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Move .got before .data so that it can be protected with -zrelro. Also
separate .got.plt from .got if -znow is not in effect; the first two words
of .got.plt are placed within the relro region.
ld:
PR ld/30877
* emulparams/elf32lriscv-defs.sh (DATA_GOT, SEPARATE_GOTPLT):
Define.
* emulparams/elf64lriscv-defs.sh (SEPARATE_GOTPLT): Define.
* testsuite/ld-elf/binutils.exp (binutils_test): Remove riscv*-*-*
from relro_got expression.
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Add ARCv3 support in NEWS files.
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
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Add ARCv3's linker bits. Remove obsolete tests.
ld/
xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com>
* ld/Makefile.am: Add ARC64 targets.
* ld/configure.tgt: Likewise.
* ld/Makefile.in: Regenerate.
* ld/emulparams/arc64elf32.sh: New file.
* ld/emulparams/arc64elf64.sh: Likewise.
* ld/emulparams/arc64linux32.sh: Likewise.
* ld/emulparams/arc64linux64.sh: Likewise.
* ld/scripttempl/elfarc.sc: Update stack and heap definitions.
* ld/testsuite/ld-arc/got-weak.d: Deleted file.
* ld/testsuite/ld-arc/got-weak.s: Likewise.
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
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Add new linker tests for ARCv3 ISA. All the new tests are added in a
distinct new folder named arc64.
ld/
xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com>
* ld/testsuite/ld-arc64/arcv3_64-reloc-near-exe.dd: New file.
* ld/testsuite/ld-arc64/arcv3_64-reloc-near-so.dd: Likewise.
* ld/testsuite/ld-arc64/arcv3_64-reloc-near.s: Likewise.
* ld/testsuite/ld-arc64/arcv3_64.exp: Likewise.
* ld/testsuite/ld-arc64/bl34.dd: Likewise.
* ld/testsuite/ld-arc64/bl34.s: Likewise.
* ld/testsuite/ld-arc64/linkscript.ld: Likewise.
* ld/testsuite/ld-arc64/plt34-got.dd: Likewise.
* ld/testsuite/ld-arc64/plt34-got.s: Likewise.
* ld/testsuite/ld-arc64/plt34-reloc.dd: Likewise.
* ld/testsuite/ld-arc64/plt34-reloc.s: Likewise.
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
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In ldfile_open_command_file_1() name written to the dependency files is
the name as specified passed to the "INCLUDE" directive.
This is before include-path processing so the tracked dependency
location is most likely wrong.
Instead track the opened file at the point where the resolved path is
actually available, in try_open().
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
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Error messages such as "conflicting CPU architectures 10/16" are not
very to understand, so this patch replaces the numbers with the
description they actually mean:
"conflicting CPU architectures ARM v7E-M vs Pre v4"
2023-09-01 Christophe Lyon <christophe.lyon@linaro.org>
bfd/
* elf32-arm.c (tag_cpu_arch_combine): Add name_table parameter and
use it.
(elf32_arm_merge_eabi_attributes): Update call to
tag_cpu_arch_combine.
ld/
* testsuite/ld-arm/attr-merge-9.out: Update expected error
message.
* testsuite/ld-arm/attr-merge-arch-2.d: Likewise.
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For disassembly to only use spec-mandated aliases, respective non-alias
entries need to come ahead of their alias ones. Since identical
mnemonics need to stay together, whole groups are moved up where
necessary.
This partly reverts 839189bc932e ("RISC-V: re-arrange opcode table for
consistent alias handling"), but then also goes beyond a plain revert.
Reviewed-by: Tsukasa OI <research_trasio@irq.a4lg.com>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
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Signed-off-by: Jerry Zhang Jian <jerry.zhangjian@sifive.com>
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Adjust PR ld/30791 tests:
1. Generic linker targets don't comply with all orhpan section merging
rules.
2. z80 fails since a, b, c, d are registers for z80.
3. hppa fails since .text sections aren't merged for relocatable link.
PR ld/30791
* testsuite/ld-elf/pr30791a.d: Xfail for generic and z80
targets.
* testsuite/ld-elf/pr30791b.d: Xfail for hppa and z80 targets.
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Update ARC's elfarcv2 script template with:
- The .ivt section (Interrupt Vector Table) is mapped at the begining
of STARTUP_MEMORY when ivtbase_addr is not defined. Previously, it
was pointing to 0x00.
- MEMORY_FILE is a new emulation paramter and sets the name for the
linker script file which holds the MEMORY commands required by
arcv2elfx emulation.
- Four new linker variables are introduced available when arcv2elf emulation is used:
* __TEXT_REGION_ORIGIN__ Once defined it is setting the text region origin. By default it points to zero.
* __TEXT_REGION_LENGTH__ Once defined it is setting the text region length. By default it is set to 2M.
* __DATA_REGION_ORIGIN__ Once defined it is setting the data region origin. By default it is set to 0x80000000.
* __DATA_REGION_LENGTH__ Once defined it is setting the data region length. By default it is set to 2M.
ld/ChangeLog:
* scripttempl/elfarcv2.sc: Update script template.
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
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