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Add a wrapper for add_target in fbsd-nat.c to override target operations
common to all native FreeBSD targets.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_pid_to_exec_file): Mark static.
(fbsd_find_memory_regions): Mark static.
(fbsd_nat_add_target): New function.
* fbsd-nat.h: Export fbsd_nat_add_target and remove prototypes for
fbsd_pid_to_exec_file and fbsd_find_memory_regions.
* amd64fbsd-nat.c (_initialize_amd64fbsd_nat): Use fbsd_nat_add_target.
* i386fbsd-nat.c (_initialize_i386fbsd_nat): Likewise.
* ppcfbsd-nat.c (_initialize_ppcfbsd_nat): Likewise.
* sparc64fbsd-nat.c (_initialize_sparc64fbsd_nat): Likewise.
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Keep gold consistent with bfd erratum-fixing option names, so as to
ease life in Makefile/scripts.
gold/
* options.h (--fix-cortex-a53-843419): Rename option.
* aarch64.cc (AArch64_relobj::do_count_local_symbols): Use renamed
option.
(AArch64_relobj::scan_sections_for_stubs): Use renamed option.
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When Output_section::is_input_address_mapped is called we have entries for
all dropped ranges, but not for all ranges.
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* ppc-opc.c (DCBT_EO): New define.
(powerpc_opcodes) <lbarx>: Enable for POWER8 and later.
<lharx>: Likewise.
<stbcx.>: Likewise.
<sthcx.>: Likewise.
<waitrsv>: Do not enable for POWER7 and later.
<waitimpl>: Likewise.
<dcbt>: Default to the two operand form of the instruction for all
"old" cpus. For "new" cpus, use the operand ordering that matches
whether the cpu is server or embedded.
<dcbtst>: Likewise.
gas/testsuite/
* gas/ppc/a2.s: Fixup test case due to dcbt/dcbtst embedded operand
ordering change.
* gas/ppc/a2.d: Likewise.
* gas/ppc/476.d: Likewise.
* gas/ppc/booke.s: Remove invalid 3 operand dcbt tests.
* gas/ppc/booke.d: Likewise.
* gas/ppc/power7.s: Remove lbarx, lharx, stbcx., sthcx., waitrsv
and waitimpl tests.
* gas/ppc/power7.d: Likewise.
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This commit alters two places that manipulate object file filenames
to detect "target:" filenames and to not attempt to manipulate them
as paths on the local filesystem:
- allocate_objfile is updated to not attempt to expand "target:"
filenames with gdb_abspath.
- load_auto_scripts_for_objfile is updated to not attempt to load
auto-load scripts for object files with "target:" filenames.
gdb/ChangeLog:
* objfiles.c (allocate_objfile): Do not attempt to expand name
if name is a "target:" filename.
* auto-load.c (load_auto_scripts_for_objfile): Do not attempt
to load auto-load scripts for objfiles with "target:" filenames.
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This patch does whatever was done in
https://sourceware.org/ml/gdb-patches/2015-04/msg00437.html to fix
broken gdb build for the AVR target.
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2015-04-27 Renlin Li <renlin.li@arm.com>
gas/
* config/tc-aarch64.c (s_aarch64_inst): Don't align code for non-text
section.
(md_assemble): Likewise, move the align code outside the loop.
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With the S390 vector ABI, vector registers are used for passing vector
arguments and for returning a vector. Support this ABI in inferior
function calls and when setting or retrieving a function's return
value.
gdb/ChangeLog:
* s390-linux-tdep.c: Include "elf/s390.h" and "elf-bfd.h".
(enum s390_vector_abi_kind): New enum.
(struct gdbarch_tdep)<vector_abi>: New field.
(s390_effective_inner_type): Add parameter min_size. Stop
unwrapping if the inner type is smaller than min_size.
(s390_function_arg_float): Adjust call to
s390_effective_inner_type.
(s390_function_arg_vector): New function.
(s390_function_arg_integer): Adjust comment.
(struct s390_arg_state)<vr>: New field.
(s390_handle_arg): Add parameter 'is_unnamed'. Pass vector
arguments according to vector ABI when appropriate.
(s390_push_dummy_call): Initialize the argument state's field
'vr'. Adjust calls to s390_handle_arg.
(s390_register_return_value): Handle vector return values.
(s390_return_value): Apply the "register" return value convention
to a vector when appropriate.
(s390_gdbarch_init): Initialize tdep->vector_abi.
* NEWS: Announce S390 vector ABI support.
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Move related logic in the implementation of s390_return_value closer
together. This makes it easier to read and extend.
gdb/ChangeLog:
* s390-linux-tdep.c (s390_return_value_convention): Remove
function. Inline its logic...
(s390_return_value): ...here. Instead, move the handling of the
"register" return value convention...
(s390_register_return_value): ...here. New function.
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Simplify the structure of s390_push_dummy_call and its various helper
functions. This reduces the code and makes it easier to extend. The
new code should be functionally equivalent to the old one, except that
copies created by the caller are now always aligned on an 8-byte
boundary.
gdb/ChangeLog:
* s390-linux-tdep.c
(is_float_singleton): Remove function. Move the "singleton" part
of the logic...
(s390_effective_inner_type): ...here. New function.
(is_float_like): Remove function. Inline its logic...
(s390_function_arg_float): ...here.
(is_pointer_like, is_integer_like, is_struct_like): Remove
functions. Inline their logic...
(s390_function_arg_integer): ...here.
(s390_function_arg_pass_by_reference): Remove function.
(extend_simple_arg): Remove function.
(alignment_of): Remove function.
(struct s390_arg_state): New structure.
(s390_handle_arg): New function.
(s390_push_dummy_call): Move parameter placement logic to the new
function s390_handle_arg. Call it for calculating the stack area
sizes first, and again for actually writing the parameters.
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This fixes a minor issue with the helper function is_power_of_two(),
which returned non-zero ("true") if the argument was zero. This led
to a wrong decision when passing a zero-sized struct in an inferior
function call.
gdb/ChangeLog:
* s390-linux-tdep.c (is_power_of_two): Add comment. Return
false if the argument is zero.
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Currently, ada-lang.c:template_to_static_fixed_type (working on
structure types only) caches its result into the unused TYPE_TARGET_TYPE
field. This introduces inconsistencies when the input type is
specialized, for instance during type resolution: the cached static
fixed type is copied along with the original type, but it's no longer
adapted to the copy once the copy is modified:
template_to_static_fixed_type has to compute another static fixed type
for it.
This change first introduces a cache reset during type resolution for
structure types so that this inconsistency does not happen anymore. It
also makes template_to_static_fixed_type smarter with respect to types
that do not need static fixed copies so that less computations is done
in general.
This inconsistency was spotted thanks to code reading, not because of
any sort of failure and we did not manage to exhibit a failure yet, so
no testcase for this.
gdb/ChangeLog:
* ada-lang.c (template_to_static_fixed_type): Return input type
when it is already fixed. Cache the input type itself when not
creating a static fixed copy. Make it explicit that we never
molestate the input type.
* gdbtypes.c (resolve_dynamic_struct): Reset the
TYPE_TARGET_TYPE field for resolved copies.
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Consider the following declarations:
type Int_Access is access Integer;
type Record_Type is record
IA : Int_Access;
end record;
R : Record_Type;
Printing the type name of "R.IA" yields:
(gdb) whatis r.ia
type = access integer
It should be:
(gdb) whatis r.ia
type = bar.int_access
Looking at the debugging info, field "r.ia" is defined as
a typedef which has the name of the field type:
.uleb128 0x3 # (DIE (0x4e) DW_TAG_typedef)
.long .LASF4 # DW_AT_name: "bar__int_access"
.long 0x8b # DW_AT_type
... with the typedef's target type being an anonymous pointer
type:
.uleb128 0x7 # (DIE (0x8b) DW_TAG_pointer_type)
.byte 0x8 # DW_AT_byte_size
.long 0x91 # DW_AT_type
What happens here is that a couple of function in ada-lang.c
always start by stripping all typedef layers when handling
struct fields, with the effect of making us lose the type name
in this case.
We did not understand this at the time the code was written,
but typedefs should be stripped only when we know we do not
need them. So this patch, adjust the code to avoid the stripping
while handling the fields, and adds it back in the lone place
which handles the result of processing and didn't know how to
handle typedefs struct fields yet.
gdb/ChangeLog:
* ada-lang.c (ada_is_tagged_type): Add call to ada_check_typedef.
(ada_lookup_struct_elt_type): Remove calls to ada_check_typedef.
(template_to_static_fixed_type): Call ada_check_typedef only
when necessary.
gdb/testsuite/ChangeLog:
* gdb.ada/rec_comp: New testcase.
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bfd/
* elf-s390-common.c (elf_s390_merge_obj_attributes): New function.
* elf32-s390.c (elf32_s390_merge_private_bfd_data): Call
elf_s390_merge_obj_attributes.
* elf64-s390.c (elf64_s390_merge_private_bfd_data): New function.
binutils/
* readelf.c (display_s390_gnu_attribute): New function.
(process_s390_specific): New function.
(process_arch_specific): Call process_s390_specific.
gas/
* doc/as.texinfo: Document Tag_GNU_S390_ABI_Vector.
include/elf/
* s390.h: Define Tag_GNU_S390_ABI_Vector.
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opcodes/
* s390-opc.c: New instruction type VV0UU2.
* s390-opc.txt: Fix instruction types for VFCE, VLDE, VFSQ, WFK,
and WFC.
gas/testsuite/
* gas/s390/zarch-z13.d: Fix tests for VFCE, VLDE, VFSQ, WFK, and
WFC.
* gas/s390/zarch-z13.s: Likewise.
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Since we changed the default arch for objdump to zarch the following
testcase needs to check for the real instruction mnemonics instead of
just bytes.
This fixes the following testsuite fail on s390x:
FAIL: GOT: symbol address load from got to larl
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gdb.base/coredump-filter.exp
This commit is a continuation of the fix committed on:
commit 8cd8f2f8ac49276437b7da37f275706ea1c1c925
Author: Sergio Durigan Junior <sergiodj@redhat.com>
Date: Mon Apr 13 02:40:08 2015 -0400
Rename variable "addr" to "coredump_var_addr" in gdb.base/coredump-filter.exp
Pedro pointed out that this fix was not complete, because the
testsuite could be run several times in a row (for example), which
means that it is not enough to just make the variable name unique: it
also needs to be cleared out if it is global.
This commit does that. It is actually just a commit made to make
things totally correct; this specific test does not fail if you run it
several times in a row.
gdb/testsuite/ChangeLog:
2015-04-26 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.base/coredump-filter.exp: Clear variable "coredump_var_addr"
before using it.
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Taking them out showed a bug in the powerpc64 backend with .branch_lt
being removed from output_bfd but not from previously set up segment
section maps. Removing the bfd sections meant their sh_flags (and
practically everything else) remaining zero, ie. not SHF_ALLOC,
triggering complaints about "`.branch_lt' can't be allocated in
segment".
include/elf/
* internal.h (ELF_SECTION_IN_SEGMENT_1): Ensure PT_LOAD and
similar segments only contain alloc sections.
ld/
* emultempl/ppc64elf.em (gld${EMULATION_NAME}_after_allocation):
Call gld${EMULATION_NAME}_map_segments regardless of need_laying_out.
ld/testsuite/
* ld-powerpc/tocnovar.d: Revert last change.
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2015-04-24 Jiong. Wang <jiong.wang@arm.com>
bfd/
PR ld/18270
* elfnn-aarch64.c (elfNN_aarch64_size_dynamic): Count local symbol for
GOT_NORMAL for both sgot/srelgot section.
(elfNN_aarch64_final_link_relocate): Relocate against GOT entry address
and generate necessary runtime relocation for GOT entry.
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We must copy is_linker_input to archive member.
PR binutils/18209
* archive.c (_bfd_get_elt_at_filepos): Also copy is_linker_input.
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Spotted a few strings that were missing internationalization support.
gdb/ChangeLog:
* cli/cli-dump.c (srec_dump_command): Add internationalization
mark ups.
(ihex_dump_command): Likewise.
(tekhex_dump_command): Likewise.
(binary_dump_command): Likewise.
(binary_append_command): Likewise.
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Extend the gdb 'dump' command to allow creating output in verilog hex
format. Add some tests to cover new functionality. As bfd does not
currently support reading in verilog hex formats the tests only cover
the 'dump' command, not the 'restore' command.
gdb/ChangeLog:
* cli/cli-dump.c (verilog_cmdlist): New variable.
(dump_verilog_memory): New function.
(dump_verilog_value): New function.
(verilog_dump_command): New function.
(_initialize_cli_dump): Add new commands to support verilog dump
format.
* NEWS: Add entry for "dump verilog".
gdb/doc/ChangeLog:
* gdb.texinfo (Dump/Restore Files): Add detail about verilog dump
format.
gdb/testsuite/ChangeLog:
* gdb.base/dump.exp: Add *.verilog files to all_files list. Add
new tests for verilog output.
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2015-04-24 Jiong. Wang <jiong.wang@arm.com>
bfd/
* elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Reject
PC-relative relocation for external symbol.
ld/testsuite/
* ld-aarch64/pcrel.s: New testcase.
* ld-aarch64/pcrel_pic_defiend_local.d: New expect file.
* ld-aarch64/pcrel_pic_undefined.d: Ditto.
* ld-aarch64/aarch64-elf.exp: Run them.
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* Makefile.am (msp430): Rename primary emulation to msp430elf.
(emsp430.c): Rename to emsp430elf.c, update dependencies
(emsp430X.c): Update dependencies.
* Makefile.in: Likewise.
* configure.tgt (msp430-*-*): Rename primary emulation to msp430elf.
* emulparame/msp430.sh: Rename to msp430elf.sh.
* emulparams/msp430X.sh: Update.
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gas/
* config/tc-aarch64.c (aarch64_cpus): Add CRC and CRYPTO features
for thunderx.
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gdb/doc/ChangeLog:
* python.texi (Xmethods In Python): Fix name of method to call the
xmethod.
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initialised.
PR 18313
bin * ieee.c (ieee_read_cxx_class): Initialise the varargs variable.
* readelf.c (uncompress_section_contents): Zero initialise the
zstream structure.
bfd * compress.c (decompress_contents): Zero initialse the z_stream
structure.
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2015-04/24 Richard Earnshaw <rearnsha@arm.com>
gas/
* config/tc-arm.h (arm_min): New function.
(SUB_SEGMENT_ALIGN): Define.
gas/testsuite/
* gas/arm/align64.d: Delete trailing padding NOPs.
ld/testsuite/
* ld-arm/armthumb-lib.d: Regenerate expected output.
* ld-arm/armthumb-lib.d: Likewise.
* ld-arm/armthumb-lib.sym: Likewise.
* ld-arm/cortex-a8-fix-b-rel-arm.d: Likewise.
* ld-arm/cortex-a8-fix-b-rel-thumb.d: Likewise.
* ld-arm/cortex-a8-fix-b.d: Likewise.
* ld-arm/cortex-a8-fix-bcc-rel-thumb.d: Likewise.
* ld-arm/cortex-a8-fix-bcc.d: Likewise.
* ld-arm/cortex-a8-fix-bl-rel-arm.d: Likewise.
* ld-arm/cortex-a8-fix-bl-rel-plt.d: Likewise.
* ld-arm/cortex-a8-fix-bl-rel-thumb.d: Likewise.
* ld-arm/cortex-a8-fix-bl.d: Likewise.
* ld-arm/cortex-a8-fix-blx-bcond.d: Likewise.
* ld-arm/cortex-a8-fix-blx-rel-arm.d: Likewise.
* ld-arm/cortex-a8-fix-blx-rel-thumb.d: Likewise.
* ld-arm/cortex-a8-fix-blx.d: Likewise.
* ld-arm/cortex-a8-fix-hdr.d: Likewise.
* ld-arm/farcall-mixed-app-v5.d: Likewise.
* ld-arm/farcall-mixed-app.d: Likewise.
* ld-arm/farcall-mixed-lib-v4t.d: Likewise.
* ld-arm/farcall-mixed-lib.d: Likewise.
* ld-arm/mixed-app-v5.d: Likewise.
* ld-arm/mixed-app.d: Likewise.
* ld-arm/mixed-lib.d: Likewise.
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bfin PR 18273
* bfin-sim.c (decode_dsp32alu_0): Remove spurious check for
s == 1.
erc32 PR 18273
* exec.c (add32): Fix typo in check for overflow.
igen PR 18273
* misc.c (a2i): Fix typos checking for uppercase letters.
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PR sim/18273
* reg.c (put_reg): Fix check for valid register number.
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numeric suffix.
* elf.c (_bfd_elf_is_local_label_name): Extend test for assembler
local labels to include local labels with a numeric suffix and
fake symbols.
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gdb/ChangeLog:
2015-04-24 Pierre-Marie de Rodat <derodat@adacore.com>
* gdbtypes.c (print_gnat_stuff): Do not recurse on the
descriptive type when there is none.
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Bits in section flags should only be defined in bfd/section.c. This
patch moves SEC_MEP_VLIW to bfd/section.c.
bfd/
PR binutils/18316
* section.c (SEC_MEP_VLIW): New.
* bfd-in2.h: Regenerated.
include/elf/
PR binutils/18316
* mep.h (SEC_MEP_VLIW): Removed.
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This patch is to add a new board file that does real remote gdbserver
testing on localhost. This board file can be used to reproduce PR 18208.
gdb/testsuite
2015-04-24 Yao Qi <yao.qi@linaro.org>
* boards/remote-gdbserver-on-localhost.exp: New file.
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emulation file.
* ld-elf/compressed1d.d: Add notarget for ELF based targets that
do not use elf.em.
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Don't XPASS cris-linux which *does* support -shared.
And xfail is for bugs, notarget is for not-applicable.
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cris and frv don't support -shared.
* ld-elf/compressed1e.d: Only run for Linux/gnu. Xfail cris and
frv.
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When we set up st_name for output section name in elf_fake_sections, we
don't know if the compressed DWARF debug section will be smaller. We may
end up with compressed DWARF debug sections which are bigger than the
uncompressed ones. This patch delays setting up st_name for output DWARF
debug section to _bfd_elf_assign_file_positions_for_non_load which will
compress the output debug section. We also postpone placement of shstrtab
section after DWARF debug sections have been compressed. The net effect
is .shstrtab section is now placed after .symtab and .strtab sections.
bfd/
PR ld/18277
* compress.c (bfd_compress_section_contents): Remove the
write_compress argument.
(bfd_init_section_compress_status): Updated.
(bfd_compress_section): Likewise.
* elf.c (_bfd_elf_set_reloc_sh_name): New.
(_bfd_elf_init_reloc_shdr): Add delay_st_name_p. Set sh_name
to (unsigned int) -1 if delay_st_name_p is TRUE. Use
_bfd_elf_set_reloc_sh_name.
(elf_fake_sections): Don't rename DWARF debug section for
linker output if it will be compressed. Instead, set
delay_st_name_p to TRUE and pass it to _bfd_elf_init_reloc_shdr.
(assign_section_numbers): Call _bfd_elf_strtab_addref only if
sh_name != (unsigned int) -1. Don't finalize nor assign
shstrtab section here. Delay setting output section names to
_bfd_elf_write_object_contents.
(_bfd_elf_compute_section_file_positions): Update comments on
sh_offset for shstrtab section.
(assign_file_positions_for_non_load_sections): Set sh_offset to
-1 for shstrtab section.
(assign_file_positions_except_relocs): Likewise.
(_bfd_elf_assign_file_positions_for_non_load): Set up sh_name
when compressing DWARF debug sections. Place shstrtab section
after DWARF debug sections have been compressed.
(_bfd_elf_write_object_contents): Setting sh_name for output
sections.
ld/testsuite/
PR ld/18277
* ld-elf/compressed1d.d: New.
* ld-elf/compressed1e.d: Likewise.
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gas/
* config/tc-mips.c (macro): State the recommended way of creating
32-bit or 64-bit addresses.
gas/testsuite/
* gas/mips/dla-warn.l: New file.
* gas/mips/dla-warn.s: New file.
* gas/mips/la-warn.l: New file.
* gas/mips/la-warn.s: New file.
* gas/mips/mips.exp: Run new tests.
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This patch adds option --weak-unresolved-symbols to treat unresolved symbols as
weak references. This is helpful when we want the link to succeed with unresolved
symbols and the dynamic loader to not complain at run-time. Option
--warn-unresolved-symbols lets the link succeed but could fail at run-time with
unresolved symbol warnings especially when the unresolved symbols have GOT entries
and dynamic relocations against them, like when -fPIE is used.
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This patch adds option --weak-unresolved-symbols to treat unresolved symbols as
weak references. This is helpful when we want the link to succeed with unresolved
symbols and the dynamic loader to not complain at run-time. Option
--warn-unresolved-symbols lets the link succeed but could fail at run-time with
unresolved symbol warnings especially when the unresolved symbols have GOT entries
and dynamic relocations against them, like when -fPIE is used.
2015-04-23 Sriraman Tallam <tmsriram@google.com>
* options.h (--weak-unresolved-symbols): New option.
* symtab.cc (Symbol_table::sized_write_globals): Change symbol
binding to weak with new option.
* symtab.h (is_weak_undefined): Check for new option.
(is_strong_undefined): Check for new option.
* testsuite/Makefile.am (weak_unresolved_symbols_test): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/weak_unresolved_symbols_test.cc: New file.
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gas/testsuite/
* gas/mips/mips.exp: Require o32 for r6-branch-constraints.
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Change compressed input debug section name for objdump is very confusing.
But we need to change it for linker so that linker will consider the
input section as a debug section. This patch delays section rename to
elf_fake_sections for objcopy and avoids it for objdump.
bfd/
PR binutils/18209
* bfd.c (bfd): Add is_linker_input.
* elf.c (convert_debug_to_zdebug): New.
(convert_zdebug_to_debug): Likewise.
(_bfd_elf_make_section_from_shdr): Don't convert .debug_* to
.zdebug_* here. Use convert_zdebug_to_debug. Set SEC_ELF_RENAME.
(_bfd_elf_init_reloc_shdr): Pass a pointer to section name
instead of a pointer to section.
(elf_fake_sections): Rename the section name if SEC_ELF_RENAME
is set.
* section.c (SEC_ELF_RENAME): New.
* bfd-in2.h: Regenerated.
binutils/
PR binutils/18209
* objcopy.c (setup_section): Copy compress status.
binutils/testsuite/
PR binutils/18209
* binutils-all/compress.exp: Replace dw2-3.W with dw2-3gabi.W
on zlib-gabi output.
* binutils-all/dw2-1.W: Convert section names to .zdebug_*.
* binutils-all/dw2-3.W: Likewise.
* binutils-all/objdump.W: Likewise.
* binutils-all/dw2-3gabi.W: New file.
ld/
PR binutils/18209
* ldfile.c (ldfile_try_open_bfd): Set is_linker_input to 1.
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Currently, against gdbserver, interrupt.exp occasionaly fails like
this:
ERROR: Process no longer exists
UNRESOLVED: gdb.base/interrupt.exp: send end of file
The problem is that we see gdbserver exiting before we match gdb's
output:
expect: does "\r\n\r\nChild exited with status 0\r\nGDBserver exiting\r\n" (spawn_id exp8) match regular expression "end of file"? Gate "end of file"? gate=no
expect: read eof
expect: set expect_out(spawn_id) "exp8"
expect: set expect_out(buffer) "\r\n\r\nChild exited with status 0\r\nGDBserver exiting\r\n"
Fix this by removing $inferior_spawn_id from the set of spawn ids
expect is watching as soon as we see the "end of file" string out of
the inferior spawn id, using an indirect spawn id list.
Tested on x86-64 Fedora 20, native and gdbserver (both target remote
and extended-remote).
gdb/testsuite/ChangeLog:
2015-04-23 Pedro Alves <palves@redhat.com>
* gdb.base/interrupt.exp: Use an indirect spawn id list holding
$inferior_spawn_id instead of $inferior_spawn_id directly. On
"end of file", remove $inferior_spawn_id from the indirect list.
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To avoid confusion between "end of file" string matching and eof
matching, as in process exit.
gdb/testsuite/ChangeLog:
2015-04-23 Pedro Alves <palves@redhat.com>
* gdb.base/interrupt.exp: Rename saw_eof to saw_end_of_file.
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