Joel Sherrill [Thu, 25 Feb 2016 16:05:51 +0000 (10:05 -0600)]
Add aarch64-*-rtems* target
Joel Sherrill [Sat, 4 Apr 2015 00:08:27 +0000 (19:08 -0500)]
Add x86_64-*-rtems* target
ld/configure.tgt: Also add stanza for x86_64-*-elf.
Renlin Li [Fri, 26 Feb 2016 17:52:34 +0000 (17:52 +0000)]
[BFD][AARCH64]Fix MOVW_SABS_G(0,1,2) relocation overflow check.
For these three relocations, 17 bit signed value should be used, instead of
16 bit. The bitsize field is changed from 16 to 17, this field in aarch64
backend is used for overflow check only.
bfd/
2016-02-26 Renlin Li <renlin.li@arm.com>
* elfnn-aarch64.c (elfNN_aarch64_howto_table): Fix signed overflow
check for MOVW_SABS_G0, MOVW_SABS_G1, MOVW_SABS_G2.
ld/
2016-02-26 Renlin Li <renlin.li@arm.com>
* testsuite/ld-aarch64/aarch64-elf.exp: Run new testcases.
* testsuite/ld-aarch64/emit-relocs-270.d: Update to use new boundary.
* testsuite/ld-aarch64/emit-relocs-271.d: Likewise.
* testsuite/ld-aarch64/emit-relocs-272.d: Likewise.
* testsuite/ld-aarch64/emit-relocs-270-overflow.d: New.
* testsuite/ld-aarch64/emit-relocs-270-overflow.s: New.
* testsuite/ld-aarch64/emit-relocs-271-overflow.d: New.
* testsuite/ld-aarch64/emit-relocs-271-overflow.s: New.
* testsuite/ld-aarch64/emit-relocs-272-overflow.d: New.
* testsuite/ld-aarch64/emit-relocs-272-overflow.s: New.
H.J. Lu [Fri, 26 Feb 2016 17:38:08 +0000 (09:38 -0800)]
Optimize x86 GOT32X/GOTPCRELX relocations
R_386_GOT32X, R_X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX relocations
retrieve the symbol address via its GOT slot. If the symbol address is
known at the link-time, we can use it directly by changing instruction
encoding. Indirect branch can only be converted to PC relative direct
branch. MOV can be changed to LEA or encoded differently with signed
address. The subset of binary operations can be encoded only with
signed address.
If undefined weak symbol is resolved to zero link-time, we can use it
as address. Zero addresss can't used with PC relative direct branch
when PIC is true since the current PC is unknown. In 64-bit, 32-bit
relocation for PC relatiave direct branch to zero may also overflow.
If this optimization causes relocation overflow, --no-relax can be used
to work around it.
bfd/
PR ld/19609
* elf32-i386.c (elf_i386_convert_load): Convert to R_386_32 for
load with locally bound symbols if PIC is false or there is no
base register. Optimize branch to 0 if PIC is false.
(elf_i386_relocate_section): Don't generate dynamic relocations
against undefined weak symbols if PIC is false.
* elf64-x86-64.c (elf_x86_64_convert_load): Disable optimization
if we can't estimate relocation overflow with --no-relax.
Convert to R_X86_64_32S/R_X86_64_32 for load with locally bound
symbols if PIC is false. Optimize branch to 0 if PIC is false.
(elf_x86_64_relocate_section): Don't generate dynamic relocations
against undefined weak symbols if PIC is false.
ld/
PR ld/19609
* testsuite/ld-i386/got1.dd: Updated.
* testsuite/ld-i386/lea1c.d: Likewise.
* testsuite/ld-i386/load1-nacl.d: Likewise.
* testsuite/ld-i386/load1.d: Likewise.
* testsuite/ld-i386/load4b.d: Likewise.
* testsuite/ld-i386/load5b.d: Likewise.
* testsuite/ld-i386/mov1b.d: Likewise.
* testsuite/ld-x86-64/mov1b.d: Likewise.
* testsuite/ld-x86-64/mov1d.d: Likewise.
* testsuite/ld-ifunc/ifunc-21-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-21-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-22-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-22-x86-64.d: Likewise.
* testsuite/ld-x86-64/gotpcrel1.dd: Likewise.
* testsuite/ld-x86-64/lea1a.d: Likewise.
* testsuite/ld-x86-64/lea1b.d: Likewise.
* testsuite/ld-x86-64/lea1c.d: Likewise.
* testsuite/ld-x86-64/lea1d.d: Likewise.
* testsuite/ld-x86-64/lea1e.d: Likewise.
* testsuite/ld-x86-64/lea1f.d: Likewise.
* testsuite/ld-x86-64/mov1b.d: Likewise.
* testsuite/ld-x86-64/mov1d.d: Likewise.
* testsuite/ld-x86-64/pr13082-3b.d: Likewise.
* testsuite/ld-x86-64/pr13082-4b.d: Likewise.
* testsuite/ld-x86-64/lea1.s: Add tests for 32-bit registers.
* testsuite/ld-i386/pr19609-1.s: New file.
* testsuite/ld-i386/pr19609-1a.d: Likewise.
* testsuite/ld-i386/pr19609-1b.d: Likewise.
* testsuite/ld-i386/pr19609-1c.d: Likewise.
* testsuite/ld-i386/pr19609-1d.d: Likewise.
* testsuite/ld-i386/pr19609-1e.d: Likewise.
* testsuite/ld-i386/pr19609-1f.d: Likewise.
* testsuite/ld-i386/pr19609-1g.d: Likewise.
* testsuite/ld-i386/pr19609-1h.d: Likewise.
* testsuite/ld-i386/pr19609-1i.d: Likewise.
* testsuite/ld-i386/pr19609-2.s: Likewise.
* testsuite/ld-i386/pr19609-2a.d: Likewise.
* testsuite/ld-i386/pr19609-2b.d: Likewise.
* testsuite/ld-i386/pr19609-2c.d: Likewise.
* testsuite/ld-i386/undefweak.s: Likewise.
* testsuite/ld-i386/undefweaka.d: Likewise.
* testsuite/ld-i386/undefweakb.d: Likewise.
* testsuite/ld-x86-64/pr13082-3c.d: Likewise.
* testsuite/ld-x86-64/pr13082-3d.d: Likewise.
* testsuite/ld-x86-64/pr19609-1.s: Likewise.
* testsuite/ld-x86-64/pr19609-1a.d: Likewise.
* testsuite/ld-x86-64/pr19609-1b.d: Likewise.
* testsuite/ld-x86-64/pr19609-1c.d: Likewise.
* testsuite/ld-x86-64/pr19609-1d.d: Likewise.
* testsuite/ld-x86-64/pr19609-1e.d: Likewise.
* testsuite/ld-x86-64/pr19609-1f.d: Likewise.
* testsuite/ld-x86-64/pr19609-1g.d: Likewise.
* testsuite/ld-x86-64/pr19609-1h.d: Likewise.
* testsuite/ld-x86-64/pr19609-1i.d: Likewise.
* testsuite/ld-x86-64/pr19609-1j.d: Likewise.
* testsuite/ld-x86-64/pr19609-1k.d: Likewise.
* testsuite/ld-x86-64/pr19609-1l.d: Likewise.
* testsuite/ld-x86-64/pr19609-1m.d: Likewise.
* testsuite/ld-x86-64/pr19609-2.s: Likewise.
* testsuite/ld-x86-64/pr19609-2a.d: Likewise.
* testsuite/ld-x86-64/pr19609-2b.d: Likewise.
* testsuite/ld-x86-64/pr19609-2c.d: Likewise.
* testsuite/ld-x86-64/pr19609-2d.d: Likewise.
* testsuite/ld-x86-64/pr19609-3.s: Likewise.
* testsuite/ld-x86-64/pr19609-3a.d: Likewise.
* testsuite/ld-x86-64/pr19609-3b.d: Likewise.
* testsuite/ld-x86-64/pr19609-4.s: Likewise.
* testsuite/ld-x86-64/pr19609-4a.d: Likewise.
* testsuite/ld-x86-64/pr19609-4b.d: Likewise.
* testsuite/ld-x86-64/pr19609-4c.d: Likewise.
* testsuite/ld-x86-64/pr19609-4d.d: Likewise.
* testsuite/ld-x86-64/pr19609-4e.d: Likewise.
* testsuite/ld-x86-64/pr19609-5.s: Likewise.
* testsuite/ld-x86-64/pr19609-5a.d: Likewise.
* testsuite/ld-x86-64/pr19609-5b.d: Likewise.
* testsuite/ld-x86-64/pr19609-5c.d: Likewise.
* testsuite/ld-x86-64/pr19609-5d.d: Likewise.
* testsuite/ld-x86-64/pr19609-5e.d: Likewise.
* testsuite/ld-x86-64/pr19609-6.s: Likewise.
* testsuite/ld-x86-64/pr19609-6a.d: Likewise.
* testsuite/ld-x86-64/pr19609-6b.d: Likewise.
* testsuite/ld-x86-64/pr19609-6c.d: Likewise.
* testsuite/ld-x86-64/pr19609-6d.d: Likewise.
* testsuite/ld-x86-64/pr19609-7.s: Likewise.
* testsuite/ld-x86-64/pr19609-7a.d: Likewise.
* testsuite/ld-x86-64/pr19609-7b.d: Likewise.
* testsuite/ld-x86-64/pr19609-7c.d: Likewise.
* testsuite/ld-x86-64/pr19609-7d.d: Likewise.
* testsuite/ld-i386/i386.exp: Run undefweak tests and tests for
PR ld/19609.
* testsuite/ld-x86-64/x86-64.exp: Run pr13082-3c, pr13082-3d
and tests for PR ld/19609.
Cary Coutant [Fri, 26 Feb 2016 15:50:15 +0000 (07:50 -0800)]
Discard FDEs for zero-length address ranges.
2016-02-26 Egor Kochetov <egor.kochetov@intel.com>
Cary Coutant <ccoutant@gmail.com>
gold/
PR gold/19735
* ehframe.h (Cie::fde_encoding): New method.
* ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
address ranges.
Yao Qi [Fri, 26 Feb 2016 15:00:36 +0000 (15:00 +0000)]
Fix various bugs in arm_record_exreg_ld_st_insn
This patch fixes various bugs in arm_record_exreg_ld_st_insn, and use
gdb.reverse/insn-reverse.c to test more arm instructions.
- Set flag SINGLE_REG correctly. In the arch reference manual,
SING_REG is true when the bit 8 of instruction is zero.
- Record the right D registers for instructions changing S registers.
- Fix the order of length and address in record_buf_mem array.
- Shift the offset by 2 instead of by 24.
This patch also fixes one internal error,
(gdb) PASS: gdb.reverse/finish-precsave.exp: BP at end of main
continue^M
Continuing.^M
../../binutils-gdb/gdb/utils.c:1072: internal-error: virtual memory exhausted.^M
A problem internal to GDB has been detected,FAIL: gdb.reverse/finish-precsave.exp: run to end of main (GDB internal error)
gdb:
2016-02-26 Yao Qi <yao.qi@linaro.org>
* arm-tdep.c (arm_record_exreg_ld_st_insn): Set 'single_reg'
per bit 8. Check bit 20 instead of bit 4 for VMOV
instruction. Record D registers for instructions changing
S registers. Change of the order of length and address
in record_buf_mem array.
gdb/testsuite:
2016-02-26 Yao Qi <yao.qi@linaro.org>
* gdb.reverse/insn-reverse.c [__arm__] (ext_reg_load): New.
[__arm__] (ext_reg_mov, ext_reg_push_pop): New.
(testcases): Update.
Yao Qi [Fri, 26 Feb 2016 15:00:36 +0000 (15:00 +0000)]
Record right reg num of thumb special data instructions
When GDB decodes these thumb special data instructions, such as 'mov sp, r7'
the Rd is got incorrectly. According to the arch reference manual, the Rd
is DN:Rdn, in which DN is bit 7 and Rdn is bits 0 to 2. This patch fixes it.
gdb:
2016-02-26 Yao Qi <yao.qi@linaro.org>
* arm-tdep.c (thumb_record_ld_st_reg_offset): Fix the register
number of Rd.
Yao Qi [Fri, 26 Feb 2016 15:00:36 +0000 (15:00 +0000)]
Rename gdb.reverse/aarch64.{exp,c} to gdb.reverse/insn-reverse.{exp,c}
gdb/testsuite:
2016-02-26 Yao Qi <yao.qi@linaro.org>
* gdb.reverse/aarch64.c: Rename to ...
* gdb.reverse/insn-reverse.c: ... it.
* gdb.reverse/aarch64.exp: Rename to ...
* gdb.reverse/insn-reverse.exp: ... it.
Yao Qi [Fri, 26 Feb 2016 15:00:36 +0000 (15:00 +0000)]
Generalize gdb.reverse/aarch64.exp
I said we can generialize gdb.reverse/aarch64.exp for other
architectures https://sourceware.org/ml/gdb-patches/2015-05/msg00482.html
and here is the patch to change aarch64.exp so that it can be used to
test for other architectures as well.
gdb/testsuite:
2016-02-26 Yao Qi <yao.qi@linaro.org>
* gdb.reverse/aarch64.c: [__aarch64__] Include arm_neon.h.
(testcase_ftype): New.
(testcases): New array.
(n_testcases): New.
(main): Call each element in testcases.
* gdb.reverse/aarch64.exp: Remove is_aarch64_target check.
(read_testcase): New.
Do the tests in a loop.
H.J. Lu [Fri, 26 Feb 2016 14:44:03 +0000 (06:44 -0800)]
Add ChangeLog entries for PR ld/19645
H.J. Lu [Mon, 22 Feb 2016 17:18:52 +0000 (09:18 -0800)]
Properly implement STT_COMMON
The BFD configure option, --enable-elf-stt-common, can't be to used to
verify STT_COMMON implementation with the normal binutils build. Instead,
this patch removes it from BFD. It adds --elf-stt-common=[no|yes] to ELF
assembler/objcopy and adds -z common/-z nocommon to ld.
A configure option, --enable-elf-stt-common, is added to gas to specify
whether ELF assembler should generate common symbols with the STT_COMMON
type by default.
Since BSF_KEEP_G is never used, it is renamed to BSF_ELF_COMMON for ELF
common symbols.
bfd/
PR ld/19645
* bfd.c (bfd): Change flags to 20 bits.
(BFD_CONVERT_ELF_COMMON): New.
(BFD_USE_ELF_STT_COMMON): Likewise.
(BFD_FLAGS_SAVED): Add BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON.
(BFD_FLAGS_FOR_BFD_USE_MASK): Likewise.
* configure.ac: Remove --enable-elf-stt-common.
* elf.c (swap_out_syms): Choose STT_COMMON or STT_OBJECT for
common symbol depending on BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON.
* elfcode.h (elf_slurp_symbol_table): Set BSF_ELF_COMMON for
STT_COMMON.
* elflink.c (bfd_elf_link_mark_dynamic_symbol): Also check
STT_COMMON.
(elf_link_convert_common_type): New function.
(elf_link_output_extsym): Choose STT_COMMON or STT_OBJECT for
common symbol depending on BFD_CONVERT_ELF_COMMON and
BFD_USE_ELF_STT_COMMON. Set sym.st_info after sym.st_shndx.
* elfxx-target.h (TARGET_BIG_SYM): Add BFD_CONVERT_ELF_COMMON
and BFD_USE_ELF_STT_COMMON to object_flags.
(TARGET_LITTLE_SYM): Likewise.
* syms.c (BSF_KEEP_G): Renamed to ...
(BSF_ELF_COMMON): This.
* bfd-in2.h: Regenerated.
* config.in: Likewise.
* configure: Likewise.
binutils/
PR ld/19645
* NEWS: Mention --elf-stt-common= for objcopy.
* doc/binutils.texi: Document --elf-stt-common= for objcopy.
* objcopy.c (do_elf_stt_common): New.
(command_line_switch): Add OPTION_ELF_STT_COMMON.
(copy_options): Add --elf-stt-common=.
(copy_usage): Add --elf-stt-common=.
(copy_object): Also check do_elf_stt_common for ELF targets.
(copy_file): Handle do_elf_stt_common.
(copy_main): Handle OPTION_ELF_STT_COMMON.
* readelf.c (apply_relocations): Support STT_COMMON.
* testsuite/binutils-all/common-1.s: New file.
* testsuite/binutils-all/common-1a.d: Likewise.
* testsuite/binutils-all/common-1b.d: Likewise.
* testsuite/binutils-all/common-1c.d: Likewise.
* testsuite/binutils-all/common-1d.d: Likewise.
* testsuite/binutils-all/common-1e.d: Likewise.
* testsuite/binutils-all/common-1f.d: Likewise.
* testsuite/binutils-all/common-2.s: Likewise.
* testsuite/binutils-all/common-2a.d: Likewise.
* testsuite/binutils-all/common-2b.d: Likewise.
* testsuite/binutils-all/common-2c.d: Likewise.
* testsuite/binutils-all/common-2d.d: Likewise.
* testsuite/binutils-all/common-2e.d: Likewise.
* testsuite/binutils-all/common-2f.d: Likewise.
* testsuite/binutils-all/objcopy.exp
(objcopy_test_elf_common_symbols): New proc.
Run objcopy_test_elf_common_symbols for ELF targets
gas/
PR ld/19645
* NEWS: Mention --enable-elf-stt-common and --elf-stt-common=
for ELF assemblers.
* as.c (flag_use_elf_stt_common): New.
(show_usage): Add --elf-stt-common=.
(option_values): Add OPTION_ELF_STT_COMMON.
(std_longopts): Add --elf-stt-common=.
(parse_args): Handle --elf-stt-common=.
* as.h (flag_use_elf_stt_common): New.
* config.in: Regenerated.
* configure: Likewise.
* configure.ac: Add --enable-elf-stt-common and define
DEFAULT_GENERATE_ELF_STT_COMMON.
* gas/write.c (write_object_file): Set BFD_CONVERT_ELF_COMMON
and BFD_USE_ELF_STT_COMMON if flag_use_elf_stt_common is set.
* doc/as.texinfo: Document --elf-stt-common=.
* testsuite/gas/elf/common3.s: New file.
* testsuite/gas/elf/common3a.d: Likewise.
* testsuite/gas/elf/common3b.d: Likewise.
* testsuite/gas/elf/common4.s: Likewise.
* testsuite/gas/elf/common4a.d: Likewise.
* testsuite/gas/elf/common4b.d: Likewise.
* testsuite/gas/i386/dw2-compress-3b.d: Likewise.
* testsuite/gas/i386/dw2-compressed-3b.d: Likewise.
* testsuite/gas/elf/elf.exp: Run common3a, common3b, common4a
and common4b.
* testsuite/gas/i386/dw2-compress-3.d: Renamed to ...
* testsuite/gas/i386/dw2-compress-3a.d: This. Pass
--elf-stt-common=no to as.
* testsuite/gas/i386/dw2-compressed-3.d: Renamed to ...
* testsuite/gas/i386/dw2-compressed-3a.d: This. Pass
--elf-stt-common=no to as.
* testsuite/gas/i386/i386.exp: Run dw2-compress-3a,
dw2-compress-3b, dw2-compressed-3a and dw2-compressed-3b instead
of dw2-compress-3 and dw2-compressed-3.
include/
PR ld/19645
* bfdlink.h (bfd_link_elf_stt_common): New enum.
(bfd_link_info): Add elf_stt_common.
ld/
PR ld/19645
* NEWS: Mention -z common/-z nocommon for ELF targets.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z common and -z nocommon.
* ld.texinfo: Document -z common/-z nocommon.
* lexsup.c (elf_shlib_list_options): Add -z common/-z nocommon.
* testsuite/ld-elf/tls_common.exp: Test --elf-stt-common=no and
--elf-stt-common=yes with assembler.
* testsuite/ld-elfcomm/common-1.s: New file.
* testsuite/ld-elfcomm/common-1a.d: Likewise.
* testsuite/ld-elfcomm/common-1b.d: Likewise.
* testsuite/ld-elfcomm/common-1c.d: Likewise.
* testsuite/ld-elfcomm/common-1d.d: Likewise.
* testsuite/ld-elfcomm/common-1e.d: Likewise.
* testsuite/ld-elfcomm/common-1f.d: Likewise.
* testsuite/ld-elfcomm/common-2.s: Likewise.
* testsuite/ld-elfcomm/common-2a.d: Likewise.
* testsuite/ld-elfcomm/common-2b.d: Likewise.
* testsuite/ld-elfcomm/common-2c.d: Likewise.
* testsuite/ld-elfcomm/common-2d.d: Likewise.
* testsuite/ld-elfcomm/common-2e.d: Likewise.
* testsuite/ld-elfcomm/common-2f.d: Likewise.
* testsuite/ld-elfcomm/common-3a.rd: Likewise.
* testsuite/ld-elfcomm/common-3b.rd: Likewise.
* testsuite/ld-i386/pr19645.d: Likewise.
* testsuite/ld-i386/pr19645.s: Likewise.
* testsuite/ld-x86-64/largecomm-1.s: Likewise.
* testsuite/ld-x86-64/largecomm-1a.d: Likewise.
* testsuite/ld-x86-64/largecomm-1b.d: Likewise.
* testsuite/ld-x86-64/largecomm-1c.d: Likewise.
* testsuite/ld-x86-64/largecomm-1d.d: Likewise.
* testsuite/ld-x86-64/largecomm-1e.d: Likewise.
* testsuite/ld-x86-64/largecomm-1f.d: Likewise.
* testsuite/ld-x86-64/pr19645.d: Likewise.
* testsuite/ld-x86-64/pr19645.s: Likewise.
* testsuite/ld-elfcomm/elfcomm.exp: Test --elf-stt-common=yes
with assembler.
(assembler_generates_commons): Removed.
Run -z common/-z nocommon tests. Run *.d tests.
* testsuite/ld-i386/i386.exp: Run pr19645.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-x86-64/dwarfreloc.exp: Test --elf-stt-common with
assembler. Test STT_COMMON with readelf.
H.J. Lu [Fri, 26 Feb 2016 12:16:15 +0000 (04:16 -0800)]
[x86] Resolve non-PIC undefweak symbols in executable
For i386 and x86-64, non-PIC references to undefined weak symbols are
resolved without dynamic relocation when creating executable. Resolved
undefined weak symbols are removed from the dynamic symbol table in
executable. One exception is on i386, we need resolved undefined weak
symbols in the dynamic symbol table in PIE if input relocatable files
contain branchs without PLT so that we can branch to 0 with dynamic
relocation in text section.
This makes behaviors of dynamic executable and position independent
executable predictable with mixed PIC and non-PIC references to undefined
weak symbols. If all references to undefined weak symbols are PIC,
dynamic relocations against undefined weak symbols will be generated
in executable unless -z nodynamic-undefined-weak is passed to linker.
bfd/
PR ld/19636
PR ld/19704
PR ld/19719
* elf32-i386.c (UNDEFINED_WEAK_RESOLVED_TO_ZERO): New.
(elf_i386_link_hash_entry): Add has_got_reloc and
has_non_got_reloc.
(elf_i386_link_hash_table): Add interp.
(elf_i386_link_hash_newfunc): Initialize has_got_reloc and
has_non_got_reloc.
(elf_i386_copy_indirect_symbol): Copy has_got_reloc and
has_non_got_reloc.
(elf_i386_check_relocs): Set has_got_reloc and has_non_got_reloc.
(elf_i386_fixup_symbol): New function.
(elf_i386_pie_finish_undefweak_symbol): Likewise.
(elf_i386_allocate_dynrelocs): Don't allocate space for dynamic
relocations and discard relocations against resolved undefined
weak symbols in executable. Don't make resolved undefined weak
symbols in executable dynamic. Keep dynamic non-GOT/non-PLT
relocation against undefined weak symbols in PIE.
(elf_i386_size_dynamic_sections): Set interp to .interp section.
(elf_i386_relocate_section): Don't generate dynamic relocations
against resolved undefined weak symbols in PIE, except for
R_386_PC32.
(elf_i386_finish_dynamic_symbol): Keep PLT/GOT entries without
dynamic PLT/GOT relocations for resolved undefined weak symbols.
Don't generate dynamic relocation against resolved undefined weak
symbol in executable.
(elf_i386_finish_dynamic_sections): Call
elf_i386_pie_finish_undefweak_symbol on all symbols in PIE.
(elf_backend_fixup_symbol): New.
* elf64-x86-64.c (UNDEFINED_WEAK_RESOLVED_TO_ZERO): New.
(elf_x86_64_link_hash_entry): Add has_got_reloc and
has_non_got_reloc.
(elf_x86_64_link_hash_table): Add interp.
(elf_x86_64_link_hash_newfunc): Initialize has_got_reloc and
has_non_got_reloc.
(elf_x86_64_copy_indirect_symbol): Copy has_got_reloc and
has_non_got_reloc.
(elf_x86_64_check_relocs): Set has_got_reloc and
has_non_got_reloc.
(elf_x86_64_fixup_symbol): New function.
(elf_x86_64_pie_finish_undefweak_symbol): Likewise.
(elf_x86_64_allocate_dynrelocs): Don't allocate space for dynamic
relocations and discard relocations against resolved undefined
weak symbols in executable. Don't make resolved undefined weak
symbols in executable dynamic.
(elf_x86_64_size_dynamic_sections): Set interp to .interp section.
(elf_x86_64_relocate_section): Check relocation overflow for
dynamic relocations against unresolved weak undefined symbols.
Don't generate dynamic relocations against resolved weak
undefined symbols in PIE.
(elf_x86_64_finish_dynamic_symbol): Keep PLT/GOT entries without
dynamic PLT/GOT relocations for resolved undefined weak symbols.
Don't generate dynamic relocation against resolved undefined weak
symbol in executable.
(elf_x86_64_finish_dynamic_sections): Call
elf_x86_64_pie_finish_undefweak_symbol on all symbols in PIE.
(elf_backend_fixup_symbol): New.
include/
PR ld/19636
PR ld/19704
PR ld/19719
* bfdlink.h (bfd_link_info): Add dynamic_undefined_weak.
ld/
PR ld/19636
PR ld/19704
PR ld/19719
* Makefile.am (ELF_X86_DEPS): Add dynamic_undefined_weak.sh.
* Makefile.in: Regenerated.
* NEWS: Mention -z nodynamic-undefined-weak.
* ld.texinfo: Document -z nodynamic-undefined-weak.
* ldmain.c (main): Initialize dynamic_undefined_weak to -1.
* emulparams/dynamic_undefined_weak.sh: New file.
* emulparams/elf32_x86_64.sh: Source dynamic_undefined_weak.sh.
* emulparams/elf_i386.sh: Likewise.
* emulparams/elf_i386_be.sh: Likewise.
* emulparams/elf_i386_chaos.sh: Likewise.
* emulparams/elf_i386_ldso.sh: Likewise.
* emulparams/elf_i386_vxworks.sh: Likewise.
* emulparams/elf_iamcu.sh: Likewise.
* emulparams/elf_k1om.sh: Likewise.
* emulparams/elf_l1om.sh: Likewise.
* emulparams/elf_x86_64.sh: Likewise.
* emulparams/extern_protected_data.sh (PARSE_AND_LIST_OPTIONS):
Append.
(PARSE_AND_LIST_ARGS_CASE_Z): Likewise.
* testsuite/ld-elf/pr19719a.c: New file.
* testsuite/ld-elf/pr19719b.c: Likewise.
* testsuite/ld-elf/pr19719c.c: Likewise.
* testsuite/ld-elf/pr19719d.c: Likewise.
* testsuite/ld-i386/pr19636-1.s: Likewise.
* testsuite/ld-i386/pr19636-1a.d: Likewise.
* testsuite/ld-i386/pr19636-1b.d: Likewise.
* testsuite/ld-i386/pr19636-1c.d: Likewise.
* testsuite/ld-i386/pr19636-1d-nacl.d: Likewise.
* testsuite/ld-i386/pr19636-1d.d: Likewise.
* testsuite/ld-i386/pr19636-1e.d: Likewise.
* testsuite/ld-i386/pr19636-1f.d: Likewise.
* testsuite/ld-i386/pr19636-1g.d: Likewise.
* testsuite/ld-i386/pr19636-1h.d: Likewise.
* testsuite/ld-i386/pr19636-1i.d: Likewise.
* testsuite/ld-i386/pr19636-2.s: Likewise.
* testsuite/ld-i386/pr19636-2a.d: Likewise.
* testsuite/ld-i386/pr19636-2b.d: Likewise.
* testsuite/ld-i386/pr19636-2c-nacl.d: Likewise.
* testsuite/ld-i386/pr19636-2c.d: Likewise.
* testsuite/ld-i386/pr19636-2d-nacl.d: Likewise.
* testsuite/ld-i386/pr19636-2d.d: Likewise.
* testsuite/ld-i386/pr19636-2e-nacl.d: Likewise.
* testsuite/ld-i386/pr19636-2e.d: Likewise.
* testsuite/ld-i386/pr19636-3.s: Likewise.
* testsuite/ld-i386/pr19636-3a.d: Likewise.
* testsuite/ld-i386/pr19636-3b.d: Likewise.
* testsuite/ld-i386/pr19636-3c.d: Likewise.
* testsuite/ld-i386/pr19636-3d.d: Likewise.
* testsuite/ld-i386/pr19636-3e.d: Likewise.
* testsuite/ld-i386/pr19636-3f.d: Likewise.
* testsuite/ld-i386/pr19636-3g.d: Likewise.
* testsuite/ld-i386/pr19636-4.s: Likewise.
* testsuite/ld-i386/pr19636-4a.d: Likewise.
* testsuite/ld-i386/pr19636-4b.d: Likewise.
* testsuite/ld-i386/pr19636-4c.d: Likewise.
* testsuite/ld-i386/pr19636-4d.d: Likewise.
* testsuite/ld-i386/pr19704.out: Likewise.
* testsuite/ld-i386/pr19704a.c: Likewise.
* testsuite/ld-i386/pr19704b.c: Likewise.
* testsuite/ld-x86-64/pr19636-1.s: Likewise.
* testsuite/ld-x86-64/pr19636-1a.d: Likewise.
* testsuite/ld-x86-64/pr19636-1b.d: Likewise.
* testsuite/ld-x86-64/pr19636-1c.d: Likewise.
* testsuite/ld-x86-64/pr19636-1d.d: Likewise.
* testsuite/ld-x86-64/pr19636-1e.d: Likewise.
* testsuite/ld-x86-64/pr19636-1f.d: Likewise.
* testsuite/ld-x86-64/pr19636-1g.d: Likewise.
* testsuite/ld-x86-64/pr19636-2.s: Likewise.
* testsuite/ld-x86-64/pr19636-2a.d: Likewise.
* testsuite/ld-x86-64/pr19636-2b.d: Likewise.
* testsuite/ld-x86-64/pr19636-2c.d: Likewise.
* testsuite/ld-x86-64/pr19636-2d-nacl.d: Likewise.
* testsuite/ld-x86-64/pr19636-2d.d: Likewise.
* testsuite/ld-x86-64/pr19636-2e.d: Likewise.
* testsuite/ld-x86-64/pr19636-2f.d: Likewise.
* testsuite/ld-x86-64/pr19636-2g.d: Likewise.
* testsuite/ld-x86-64/pr19636-2h.d: Likewise.
* testsuite/ld-x86-64/pr19636-2i.d: Likewise.
* testsuite/ld-x86-64/pr19636-3.s: Likewise.
* testsuite/ld-x86-64/pr19636-3a.d: Likewise.
* testsuite/ld-x86-64/pr19636-3b.d: Likewise.
* testsuite/ld-x86-64/pr19636-3c.d: Likewise.
* testsuite/ld-x86-64/pr19636-3d.d: Likewise.
* testsuite/ld-x86-64/pr19704.out: Likewise.
* testsuite/ld-x86-64/pr19704a.c: Likewise.
* testsuite/ld-x86-64/pr19704b.c: Likewise.
* testsuite/ld-elf/shared.exp (mix_pic_and_non_pic): New.
Run mix_pic_and_non_pic.
* testsuite/ld-i386/i386.exp (undefined_weak): New.
Run undefined_weak and PR ld/19636 tests.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-x86-64/pr13082-3b.d: Updated.
* testsuite/ld-x86-64/pr13082-4b.d: Likewise.
Alan Modra [Fri, 26 Feb 2016 12:30:33 +0000 (23:00 +1030)]
Fix powerpc64 -r --save-restore-funcs
* elf64-ppc.c (create_linkage_sections): Create sfpr when
save_restore_funcs, rest of sections when not relocatable.
(ppc64_elf_init_stub_bfd): Always call create_linkage_sections.
(sfpr_define): Define all symbols on emitted code.
(ppc64_elf_func_desc_adjust): Adjust for sfpr now being created
when relocatable. Move sfpr_define loop earlier.
GDB Administrator [Fri, 26 Feb 2016 00:00:28 +0000 (00:00 +0000)]
Automatic date update in version.in
Marcin Kościelnicki [Fri, 12 Feb 2016 13:39:29 +0000 (14:39 +0100)]
gdbserver/s390: Enable high GPRs, VX, TDB with 31-bit gdbserver.
Currently, 31-bit gdbserver doesn't support collecting/supplying high
GPRs, VX registers, and TDB data. This is not much of a problem now,
since machines that have them usually have a 64-bit gdbserver that can
be used to debug 31-bit targets just fine. However, with fast
tracepoints, it's not possible to use a 64-bit gdbserver with a 31-bit
IPA (and thus a 31-bit target), so 31-bit gdbserver has to be used
for 31-bit targets. Thus, this patch is needed to allow collecting
high GPRs and VX registers on 31-bit targets via fast tracepoints.
gdb/gdbserver/ChangeLog:
* linux-s390-low.c (s390_num_regs_3264): Define on 31-bit too.
(s390_regmap_3264) [!__s390x__]: New global.
(s390_collect_ptrace_register): Skip map entries containing -1.
(s390_supply_ptrace_register): Ditto.
(s390_fill_gprs_high): New function.
(s390_store_gprs_high): New function.
(s390_regsets): Add NT_S390_HIGH_GPRS.
(s390_get_hwcap): Enable on 31-bit.
(have_hwcap_s390_high_gprs): Enable on 31-bit.
(s390_arch_setup): Enable detection of high GPRs, TDB, VX on 31-bit.
Detect NT_S390_HIGH_GPRS.
(s390_usrregs_info_3264): Enable on 31-bit.
(s390_regs_info): Enable regs_info_3264 on 31-bit.
(initialize_low_arch): Initialize s390_regsets_info_3264 on 31-bit.
Doug Evans [Thu, 25 Feb 2016 17:30:22 +0000 (09:30 -0800)]
avoid compiler warnings in remote-m32r-sdi.c
gdb/ChangeLog:
* remote-m32r-sdi.c (recv_char_data): Initialize val to avoid
compiler warning.
(recv_long_data): Ditto.
Yao Qi [Thu, 25 Feb 2016 17:00:36 +0000 (17:00 +0000)]
Remove gdb.base/branches.c
This patch removes gdb.base/branches.c which was added by the following
commit, but it is not used at all.
commit
ea8122af1432abdeb256b2c669eb3d0cf8cb97bf
Author: John Metzler <jmetzler@cygnus>
Date: Thu Apr 16 17:56:11 1998 +0000
Thu Apr 16 10:52:34 1998 John Metzler <jmetzler@cygnus.com>
* gdb.base/branches.c: Code with lots of loops and
subroutines. Used to test gdbs ability to single step through PC
changes, especially to test mips-tdep.c:mips_next_pc
gdb/testsuite:
2016-02-25 Yao Qi <yao.qi@linaro.org>
* gdb.base/branches.c: Remove.
Marcin Kościelnicki [Sun, 21 Feb 2016 20:44:48 +0000 (21:44 +0100)]
[PR gdb/13808] gdb.trace: Pass tdesc selected in gdbserver to IPA.
If gdbserver and IPA are using different tdesc, they will disagree
about 'R' trace packet size. This results in mangled traces.
To make sure they pick the same tdesc, gdbserver pokes the tdesc
(specified as an index in a target-specific list) into a global
variable in IPA. In theory, IPA could find out the tdesc on its
own, but that may be complex (in particular, I don't know how to
tell whether we have LAST_BREAK on s390 without messing with ptrace),
and we'd have to duplicate the logic.
Tested on i386 and x86_64. On i386, it fixes two FAILs in ftrace.exp.
On x86_64, these failures have been KFAILed - one of them works now,
but the other now fails due to an unrelated reason (ugh).
gdb/gdbserver/ChangeLog:
PR gdb/13808
* Makefile.in: Add i386-*-linux-ipa.o and amd64-*-linux-ipa.o.
* configure.srv: Ditto.
* linux-aarch64-ipa.c (get_ipa_tdesc): New function.
(initialize_low_tracepoint): Remove ipa_tdesc assignment.
* linux-amd64-ipa.c: Add "linux-x86-tdesc.h" include.
(init_registers_amd64_linux): Remove prototype.
(tdesc_amd64_linux): Remove declaration.
(get_ipa_tdesc): New function.
(initialize_low_tracepoint): Remove ipa_tdesc assignment,
initialize remaining tdescs.
* linux-i386-ipa.c: Add "linux-x86-tdesc.h" include.
(init_registers_i386_linux): Remove prototype.
(tdesc_i386_linux): Remove declaration.
(get_ipa_tdesc): New function.
(initialize_low_tracepoint): Remove ipa_tdesc assignment,
initialize remaining tdescs.
* linux-low.c (linux_get_ipa_tdesc_idx): New function.
(linux_target_ops): wire in linux_get_ipa_tdesc_idx.
* linux-low.h (struct linux_target_ops): Add get_ipa_tdesc_idx.
* linux-x86-low.c: Move tdesc declarations to linux-x86-tdesc.h.
(x86_get_ipa_tdesc_idx): New function.
(the_low_target): Wire in x86_get_ipa_tdesc_idx.
* linux-x86-tdesc.h: New file.
* target.h (struct target_ops): Add get_ipa_tdesc_idx.
(target_get_ipa_tdesc_idx): New macro.
* tracepoint.c (ipa_tdesc_idx): New macro.
(struct ipa_sym_addresses): Add addr_ipa_tdesc_idx.
(symbol_list): Add ipa_tdesc_idx.
(cmd_qtstart): Write ipa_tdesc_idx in the target.
(ipa_tdesc): Remove.
(ipa_tdesc_idx): New variable.
(get_context_regcache): Use get_ipa_tdesc.
(gdb_collect): Ditto.
(gdb_probe): Ditto.
* tracepoint.h (get_ipa_tdesc): New prototype.
(ipa_tdesc): Remove.
gdb/testsuite/ChangeLog:
PR gdb/13808
* gdb.trace/ftrace.exp (test_fast_tracepoints): Remove kfail.
Trevor Saunders [Thu, 25 Feb 2016 16:55:21 +0000 (16:55 +0000)]
Convert more variables to a constant form.
* as.c (select_emulation_mode): Add const qualifiers.
* as.h: Likewise.
* config/bfin-defs.h: Likewise.
* config/bfin-parse.y: Likewise.
* config/rx-parse.y: Likewise.
* config/tc-aarch64.c (struct aarch64_option_table): Likewise.
(struct aarch64_cpu_option_table): Likewise.
(struct aarch64_arch_option_table): Likewise.
(struct aarch64_option_cpu_value_table): Likewise.
(struct aarch64_long_option_table): Likewise.
(struct aarch64_option_abi_value_table): Likewise.
* config/tc-arm.c (struct reloc_entry): Likewise.
(tc_gen_reloc): Likewise.
(struct arm_option_table): Likewise.
(struct arm_legacy_option_table): Likewise.
(struct arm_cpu_option_table): Likewise.
(struct arm_arch_option_table): Likewise.
(struct arm_option_extension_value_table): Likewise.
(struct arm_option_fpu_value_table): Likewise.
(struct arm_option_value_table): Likewise.
(struct arm_long_option_table): Likewise.
* config/tc-avr.c (struct avr_opcodes_s): Likewise.
(struct mcu_type_s): Likewise.
(struct exp_mod_s): Likewise.
(avr_operand): Likewise.
(avr_operands): Likewise.
* config/tc-d10v.c (md_begin): Likewise.
* config/tc-dlx.c: Likewise.
* config/tc-fr30.c (fr30_is_colon_insn): Likewise.
* config/tc-ft32.c (parse_condition): Likewise.
* config/tc-h8300.c (do_a_fix_imm): Likewise.
* config/tc-hppa.c (pa_ip): Likewise.
(hppa_regname_to_dw2regnum): Likewise.
* config/tc-i370.c (i370_elf_suffix): Likewise.
* config/tc-i960.c (struct tabentry): Likewise.
* config/tc-m32r.c: Likewise.
* config/tc-m68k.c: Likewise.
* config/tc-m68k.h: Likewise.
* config/tc-mcore.c (parse_psrmod): Likewise.
* config/tc-metag.c (struct metag_core_option): Likewise.
(struct metag_long_option): Likewise.
* config/tc-microblaze.c: Likewise.
* config/tc-mips.c (macro): Likewise.
* config/tc-mn10200.c: Likewise.
* config/tc-mn10300.c: Likewise.
* config/tc-msp430.c (struct rcodes_s): Likewise.
(struct hcodes_s): Likewise.
(md_parse_option): Likewise.
* config/tc-ns32k.c (struct ns32k_option): Likewise.
(optlist): Likewise.
* config/tc-ppc.c (ppc_elf_suffix): Likewise.
(tc_ppc_regname_to_dw2regnum): Likewise.
* config/tc-ppc.h: Likewise.
* config/tc-rl78.c: Likewise.
* config/tc-rx.c (struct cpu_type): Likewise.
* config/tc-sh.c (sh_regname_to_dw2regnum): Likewise.
* config/tc-sparc.c (struct priv_reg_entry): Likewise.
(sparc_ip): Likewise.
* config/tc-spu.c (insn_fmt_string): Likewise.
* config/tc-tic54x.c (tic54x_set_default_include): Likewise.
* config/tc-v850.c: Likewise.
* config/tc-visium.c (struct visium_arch_option_table): Likewise.
(struct visium_long_option_table): Likewise.
* config/tc-xgate.c: Likewise.
* config/tc-z8k.c: Likewise.
* read.c (add_include_dir): Likewise.
* read.h: Likewise.
Simon Marchi [Thu, 25 Feb 2016 16:03:22 +0000 (11:03 -0500)]
Initialize variables in i386_linux_handle_segmentation_fault
We see this error when building with gcc 4.3.
../../gdb/i386-linux-tdep.c: In function ‘i386_linux_handle_segmentation_fault’:
../../gdb/i386-linux-tdep.c:399: error: ‘access’ may be used uninitialized in this function
../../gdb/i386-linux-tdep.c:399: error: ‘upper_bound’ may be used uninitialized in this function
../../gdb/i386-linux-tdep.c:399: error: ‘lower_bound’ may be used uninitialized in this function
It's a false positive, since the variables will always get initialized
in the TRY clause, and the CATCH returns.
gdb/ChangeLog:
* i386-linux-tdep.c (i386_linux_handle_segmentation_fault):
Initialize variables.
Marcin Kościelnicki [Fri, 19 Feb 2016 19:33:34 +0000 (20:33 +0100)]
gdb.trace: Remove unnecessary target check from ftrace.exp.
The check used hardcoded targets and wasn't doing anything useful anyway,
since unsupported architectures blow up on link due to missing the IPA
library before they ever get to that check.
gdb/testsuite/ChangeLog:
* gdb.trace/ftrace.exp: Remove unnecessary target check.
Marcin Kościelnicki [Fri, 19 Feb 2016 19:29:23 +0000 (20:29 +0100)]
gdb.trace: Surround $call_insn with \y in entry-values.exp
The PPC64 tracepoint patch added \y at the end of the call_insn pattern -
without that, it embarassed itself and matched the 'bl' in "Dump of
assem*bl*er code for function" as the powerpc call opcode. Since that
sounds like a generally good idea, I've added \y before and after
call_insn for every target. As a result, I had to change x86_64's mnemonic
to 'callq'.
gdb/testsuite/ChangeLog:
* gdb.trace/entry-values.exp: Surround $call_insn with '\y',
change x86_64 call_insn to 'callq'.
Antoine Tremblay [Wed, 24 Feb 2016 20:00:17 +0000 (15:00 -0500)]
Map registers to remote numbers when encoding an ax_reg or ax_reg_mask operation
When encoding the agent expression operation ax_reg or ax_reg_mask, the
register number used is internal to GDB. However GDBServer expects a tdesc
based number.
This usually does not cause a problem since at the moment, for raw
registers GDBServer R trace action ignores the register mask and just
collects all registers.
It can be a problem, however with pseudo registers on some platforms if the
tdesc number doesn't match the GDB internal register number.
This is the case with ARM, the upcoming ARM tracepoint support, fails
these test cases without this patch:
gdb.trace/collection.exp: collect register locals collectively:*
GDBSever would exit with: unhandled register size
Since the register number is not mapped.
This patch fixes these issues by calling gdbarch_remote_register_number
before encoding the register number in the ax_reg or ax_reg_mask operation.
Tested on x86 native-gdbserver no regressions observed.
gdb/ChangeLog:
* ax-general.c (ax_reg): Call gdbarch_remote_register_number.
(ax_reg_mask): Likewise.
H.J. Lu [Thu, 25 Feb 2016 00:31:29 +0000 (16:31 -0800)]
Add elf_x86_64_need_pic
Add elf_x86_64_need_pic and replace x86_64_elf_howto_table[r_type].name
with howto->name.
* elf64-x86-64.c (elf_x86_64_need_pic): New function.
(elf_x86_64_relocate_section): Use it. Replace
x86_64_elf_howto_table[r_type] with howto.
Andrew Burgess [Tue, 23 Feb 2016 00:05:27 +0000 (00:05 +0000)]
gas: Update tests for big-endian arc targets
Some gas tests are excluded for arc targets using the pattern arc-*-*,
however this only covers little endian arc targets. This commit extends
the patter to cover big endian arc targets, the pattern is now arc*-*-*.
gas/ChangeLog:
* testsuite/gas/all/gas.exp: Change target pattern to cover
arceb-*.
* testsuite/gas/all/redef3.d: Likewise.
* testsuite/gas/elf/elf.exp: Likewise.
Nick Clifton [Thu, 25 Feb 2016 10:33:29 +0000 (10:33 +0000)]
Remove unused field from ld_config_type structure.
* ld.h (struct ld_config_type): Remove specified_data_size field.
GDB Administrator [Thu, 25 Feb 2016 00:00:16 +0000 (00:00 +0000)]
Automatic date update in version.in
H.J. Lu [Wed, 24 Feb 2016 23:13:35 +0000 (15:13 -0800)]
Update symbol version for symbol from linker script
We need to update symbol version for symbols from linker script.
bfd/
PR ld/19698
* elflink.c (bfd_elf_record_link_assignment): Set versioned if
symbol version is unknown.
ld/
PR ld/19698
* testsuite/ld-elf/pr19698.d: New file.
* testsuite/ld-elf/pr19698.s: Likewise.
* testsuite/ld-elf/pr19698.t: Likewise.
Pedro Alves [Wed, 24 Feb 2016 22:52:06 +0000 (22:52 +0000)]
Handle MIPS Linux SIGTRAP siginfo.si_code values
This unbreaks pending/delayed breakpoints handling, as well as
hardware watchpoints, on MIPS.
Ref: https://sourceware.org/ml/gdb-patches/2016-02/msg00681.html
The MIPS kernel reports SI_KERNEL for all kernel generated traps,
instead of TRAP_BRKPT / TRAP_HWBKPT, but GDB isn't aware of this.
Basically, this commit:
- Folds watchpoints logic into check_stopped_by_breakpoint, and
renames it to save_stop_reason.
- Adds GDB_ARCH_IS_TRAP_HWBKPT.
- Makes MIPS set both GDB_ARCH_IS_TRAP_BRPT and
GDB_ARCH_IS_TRAP_HWBKPT to SI_KERNEL. In save_stop_reason, we
handle the case of the same si_code returning true for both
TRAP_BRPT and TRAP_HWBKPT by looking at what the debug registers
say.
Tested on x86-64 Fedora 20, native and gdbserver.
gdb/ChangeLog:
2016-02-24 Pedro Alves <palves@redhat.com>
* linux-nat.c (save_sigtrap) Delete.
(stop_wait_callback): Call save_stop_reason instead of
save_sigtrap.
(check_stopped_by_breakpoint): Rename to ...
(save_stop_reason): ... this. Bits of save_sigtrap folded here.
Use GDB_ARCH_IS_TRAP_HWBKPT and handle ambiguous
GDB_ARCH_IS_TRAP_BRKPT / GDB_ARCH_IS_TRAP_HWBKPT. Factor out
common code between the USE_SIGTRAP_SIGINFO and
!USE_SIGTRAP_SIGINFO blocks.
(linux_nat_filter_event): Call save_stop_reason instead of
save_sigtrap.
* nat/linux-ptrace.h: Check for both SI_KERNEL and TRAP_BRKPT
si_code for MIPS.
* nat/linux-ptrace.h: Fix "TRAP_HWBPT" typo in x86 table. Add
comments on MIPS behavior.
(GDB_ARCH_IS_TRAP_HWBKPT): Define for all archs.
gdb/gdbserver/ChangeLog:
2016-02-24 Pedro Alves <palves@redhat.com>
* linux-low.c (check_stopped_by_breakpoint): Rename to ...
(save_stop_reason): ... this. Use GDB_ARCH_IS_TRAP_HWBKPT and
handle ambiguous GDB_ARCH_IS_TRAP_BRKPT / GDB_ARCH_IS_TRAP_HWBKPT.
Factor out common code between the USE_SIGTRAP_SIGINFO and
!USE_SIGTRAP_SIGINFO blocks.
(linux_low_filter_event): Call save_stop_reason instead of
check_stopped_by_breakpoint and check_stopped_by_watchpoint.
Update comments.
(linux_wait_1): Update comments.
Marcin Kościelnicki [Wed, 24 Feb 2016 21:00:59 +0000 (22:00 +0100)]
[OBV] gdb/rs6000: Fix maybe-uninitialized warning.
Introduced by
657f9cde9d531c9929bef9e02a8064101d568f50.
gdb/ChangeLog:
* rs6000-tdep.c (rs6000_frame_cache): Initialize frame and pc to 0
to avoid spurious warnings.
Antoine Tremblay [Wed, 24 Feb 2016 19:23:47 +0000 (14:23 -0500)]
Move tfile-avx.exp to tracefile-pseudo-reg.exp
As it is planned to add more architectures to this test, rename to a more
generic name.
gdb/testsuite/ChangeLog:
* gdb.trace/tfile-avx.c: Move to...
* gdb.trace/tracefile-pseudo-reg.c: Here.
* gdb.trace/tfile-avx.exp: Move to...
* gdb.trace/tracefile-pseudo-reg.exp: Here.
Doug Evans [Wed, 24 Feb 2016 18:19:50 +0000 (10:19 -0800)]
Move new skip features to proper section (post 7.11).
Renlin Li [Wed, 24 Feb 2016 17:59:35 +0000 (17:59 +0000)]
[GAS][ARM][3/3]Add armv8.2 fp16 scalar instruction support. Based on SE_H instruction shape.
gas/
2016-02-24 Renlin Li <renlin.li@arm.com>
* config/tc-arm.c (BAD_FP16): New error message macro.
(do_scalar_fp16_v82_encode): Change the coproc field to 9 for armv8.2
fp16 scalar instructions.
(neon_check_type): Allow different size from key.
(do_vfp_nsyn_add_sub): Add support SE_H shape support.
(try_vfp_nsyn): Likewise.
(do_vfp_nsyn_mla_mls): Likewise.
(do_vfp_nsyn_fma_fms): Likewise.
(do_vfp_nsyn_ldm_stm): Likewise
(do_vfp_nsyn_sqrt): Likewise
(do_vfp_nsyn_div): Likewise
(do_vfp_nsyn_nmul): Likewise.
(do_vfp_nsyn_cmp): Likewise.
(do_neon_shll): Likewise.
(do_vfp_nsyn_cvt_fpv8): Likewise.
(do_neon_cvttb_2): Likewise.
(do_neon_mov): Likewise.
(do_neon_rshift_round_imm): Likewise.
(do_neon_ldr_str): Likewise.
(do_vfp_nsyn_fpv8): Likewise.
(do_vmaxnm): Likewise.
(do_vrint_1): Likewise.
(insns): New entry for vins, vmovx.
(md_apply_fix): Left shift 1 bit for fp16 vldr/vstr.
* testsuite/gas/arm/armv8-2-fp16-scalar-thumb.d: New.
* testsuite/gas/arm/armv8-2-fp16-scalar.d: New.
* testsuite/gas/arm/armv8-2-fp16-scalar.s: New.
* testsuite/gas/arm/armv8-2-fp16-scalar-bad.s: New
* testsuite/gas/arm/armv8-2-fp16-scalar-bad.d: New
* testsuite/gas/arm/armv8-2-fp16-scalar-bad.l: New
Wei-cheng Wang [Sat, 27 Jun 2015 16:21:39 +0000 (00:21 +0800)]
powerpc: Support z-point type in gdbserver.
Support z-point, so tracepoints and breakpoints can be inserted at the same
location.
gdb/gdbserver/ChangeLog:
2016-02-24 Wei-cheng Wang <cole945@gmail.com>
* linux-ppc-low.c (ppc_supports_z_point_type): New function:
(ppc_insert_point, ppc_remove_point): Insert/remove z-packet breakpoints.
(ppc64_emit_ops_vector): Add target ops - ppc_supports_z_point_type,
ppc_insert_point, ppc_remove_point.
Renlin Li [Wed, 24 Feb 2016 14:51:12 +0000 (14:51 +0000)]
Renlin Li [Wed, 24 Feb 2016 14:18:16 +0000 (14:18 +0000)]
[GAS][ARM][2/3]Add SE_H shape to represent fp16 type.
gas/
2016-02-24 Renlin Li <renlin.li@arm.com>
* config/tc-arm.c (NEON_ENC_TAB): Add fp16 instruction shape.
(neon_shape_class): New SC_HALF.
(neon_shape_el): New SE_H.
(neon_shape_el_size): New size for SE_H.
(N_F_ALL): New macro to aggregate N_F16, N_F32, N_64.
(neon_select_shape): Add SE_H support code.
(el_type_of_type_chk): Use N_F_ALL.
(do_vfp_nsyn_cvt): Add SE_H shape support.
(do_neon_cvtz): Likewise.
(do_neon_cvt_1): Likewise.
(do_neon_cvttb_1): Likewise.
Renlin Li [Wed, 24 Feb 2016 14:08:39 +0000 (14:08 +0000)]
[OPCODES][ARM][1/3]Add armv8.2 fp16 instruction dissembler support.
opcodes/
2016-02-24 Renlin Li <renlin.li@arm.com>
* arm-dis.c (coprocessor_opcodes): Add fp16 instruction entries.
(print_insn_coprocessor): Support fp16 instruction.
gas/
2016-02-24 Renlin Li <renlin.li@arm.com>
* testsuite/gas/arm/copro.d: Adjust output.
* testsuite/gas/arm/copro.s: Adjust co-processor num.
Renlin Li [Wed, 24 Feb 2016 13:55:30 +0000 (13:55 +0000)]
[OPCODES][ARM]Fix mask for a few coprocessor opcodes.
opcodes/
2016-02-24 Renlin Li <renlin.li@arm.com>
* arm-dis.c (coprocessor_opcodes): Fix mask for vsel, vmaxnm, vminnm,
vrint(mpna).
gas/
2016-02-24 Renlin Li <renlin.li@arm.com>
* testsuite/gas/arm/mask_1.d: New.
* testsuite/gas/arm/mask_1.s: New.
Renlin Li [Wed, 24 Feb 2016 13:48:59 +0000 (13:48 +0000)]
[OPCODE][ARM]Correct disassembler for cdp/cdp2, mcr/mcr2, mrc/mrc2, ldc/ldc2, stc/stc2
opcodes/
2016-02-24 Renlin Li <renlin.li@arm.com>
* arm-dis.c (print_insn_coprocessor): Check co-processor number for
cpd/cpd2, mcr/mcr2, mrc/mrc2, ldc/ldc2, stc/stc2.
gas/
2016-02-24 Renlin Li <renlin.li@arm.com>
* testsuite/gas/arm/copro.s: Use coprocessor other than 10, 11.
* testsuite/gas/arm/copro.d: Update.
Renlin Li [Thu, 18 Feb 2016 16:50:50 +0000 (16:50 +0000)]
ABS32
H.J. Lu [Wed, 24 Feb 2016 13:42:27 +0000 (05:42 -0800)]
Set plt_got.offset to (bfd_vma) -1
Since plt_got.offset may be updated in x86 allocate_dynrelocs, set
plt_got.offset to (bfd_vma) -1 when setting needs_plt to 0.
* elf32-i386.c (elf_i386_allocate_dynrelocs): Set plt_got.offset
to (bfd_vma) -1 when setting needs_plt to 0.
* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
Gary Benson [Wed, 24 Feb 2016 11:31:58 +0000 (11:31 +0000)]
Fix logic in exec_file_locate_attach
This commit fixes an error in exec_file_locate_attach where
the main executable could be loaded from outside the sysroot
if a nonempty, non-"target:" sysroot was set but the discovered
executable filename did not exist in that sysroot and did exist
on the main filesystem.
gdb/ChangeLog:
* exec.c (exec_file_locate_attach): Do not attempt to
locate main executable locally if not found in sysroot.
gdb/testsuite/ChangeLog:
* gdb.base/attach-pie-noexec.exp: Do not expect an error
message on attach.
Kyrylo Tkachov [Wed, 24 Feb 2016 10:55:09 +0000 (10:55 +0000)]
[ARM][gas] Add support for Cortex-A32
2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/tc-arm.c (arm_cpus): Add entry for cortex-a32.
* doc/c-arm.texi (ARM Options): Document cortex-a32.
Kyrylo Tkachov [Wed, 24 Feb 2016 10:53:55 +0000 (10:53 +0000)]
[ARM][doc] Document cortex-a17 mcpu option
2016-02-24 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* doc/c-arm.texi (ARM Options): Document cortex-a17.
Joel Brobecker [Wed, 24 Feb 2016 10:07:27 +0000 (11:07 +0100)]
Document the GDB 7.11 release in gdb/ChangeLog
gdb/ChangeLog:
GDB 7.11 released.
Wei-cheng Wang [Mon, 30 Mar 2015 16:30:31 +0000 (00:30 +0800)]
Build unavailable-stack frames for tracepoint.
gdb/ChangeLog:
2016-02-24 Wei-cheng Wang <cole945@gmail.com>
* rs6000-tdep.c (rs6000_frame_cache, rs6000_frame_this_id): Handle
unavailable PC/SP to build unavailable frame.
GDB Administrator [Wed, 24 Feb 2016 00:00:18 +0000 (00:00 +0000)]
Automatic date update in version.in
Doug Evans [Tue, 23 Feb 2016 21:25:18 +0000 (13:25 -0800)]
Extend "skip" command to support -file, -gfile, -function, -rfunction.
gdb/ChangeLog:
Extend "skip" command to support -file, -gfile, -function, -rfunction.
* NEWS: Document new features.
* skip.c: #include "fnmatch.h", "gdb_regex.h".
(skiplist_entry) <file>: Renamed from filename.
<function>: Renamed from function_name.
<file_is_glob, function_is_regexp>: New members.
<compiled_function_regexp, compiled_function_regexp_is_valid>:
New members.
(make_skip_entry): New function.
(free_skiplist_entry, free_skiplist_entry_cleanup): New functions.
(make_free_skiplist_entry_cleanup): New function.
(skip_file_command): Update.
(skip_function, skip_function_command): Update.
(compile_skip_regexp): New functions.
(skip_command): Add support for new options.
(skip_info): Update.
(skip_file_p, skip_gfile_p): New functions.
(skip_function_p, skip_rfunction_p): New functions.
(function_name_is_marked_for_skip): Update and simplify.
(_initialize_step_skip): Update.
* symtab.c: #include "fnmatch.h".
(compare_glob_filenames_for_search): New function.
* symtab.h (compare_glob_filenames_for_search): Declare.
* utils.c (count_path_elements): New function.
(strip_leading_path_elements): New function.
* utils.h (count_path_elements): Declare.
(strip_leading_path_elements): Declare.
gdb/doc/ChangeLog:
* gdb.texinfo (Skipping Over Functions and Files): Document new
options to "skip" command. Update docs of output of "info skip".
gdb/testsuite/ChangeLog:
* gdb.base/skip.c (test_skip): New function.
(end_test_skip_file_and_function): New function.
(test_skip_file_and_function): New function.
* gdb.base/skip1.c (test_skip): New function.
(skip1_test_skip_file_and_function): New function.
* gdb.base/skip.exp: Add tests for new skip options.
* gdb.base/skip-solib.exp: Update expected output.
* gdb.perf/skip-command.cc: New file.
* gdb.perf/skip-command.exp: New file.
* gdb.perf/skip-command.py: New file.
H.J. Lu [Tue, 23 Feb 2016 18:40:03 +0000 (10:40 -0800)]
Skip tests for common directive on hpux
hpux has a non-standard common directive.
* testsuite/gas/elf/elf.exp: Skip tests for common directive on
hpux.
Simon Marchi [Tue, 23 Feb 2016 18:21:10 +0000 (13:21 -0500)]
arm-tdep.c: Remove unused "to" parameters
gdb/ChangeLog:
* arm-tdep.c (arm_decode_svc_copro): Remove "to" parameter.
(thumb_process_displaced_insn): Likewise.
(arm_process_displaced_insn): Adjust calls.
H.J. Lu [Tue, 23 Feb 2016 16:24:18 +0000 (08:24 -0800)]
Replace $(ELF_DEPS) with $(ELF_X86_DEPS)
Define ELF_X86_DEPS with $(ELF_DEPS) plus emulparams/plt_unwind.sh,
extern_protected_data.sh and call_nop.sh.
* Makefile.am (ELF_X86_DEPS): New.
(eelf_i386.c): Replace $(ELF_DEPS) with $(ELF_X86_DEPS).
(eelf_i386_chaos.c): Likewise.
(eelf_i386_fbsd.c): Likewise.
(eelf_i386_ldso.c): Likewise.
(eelf_i386_nacl.c): Likewise.
(eelf_i386_sol2.c): Likewise.
(eelf_iamcu.c): Likewise.
(eelf32_x86_64.c): Likewise.
(eelf32_x86_64_nacl.c): Likewise.
(eelf_l1om.c): Likewise.
(eelf_l1om_fbsd.c): Likewise.
(eelf_k1om.c): Likewise.
(eelf_k1om_fbsd.c): Likewise.
(eelf_x86_64.c): Likewise.
(eelf_x86_64_cloudabi.c): Likewise.
(eelf_x86_64_fbsd.c): Likewise.
(eelf_x86_64_sol2.c): Likewise.
* Makefile.in: Regenerated.
H.J. Lu [Tue, 23 Feb 2016 13:18:43 +0000 (05:18 -0800)]
Make linker assigned symbol dynamic only for shared object
Linker assigned symbols should be made dynamic by default only when
creating shared object or relocatable executable.
bfd/
* elflink.c (bfd_elf_record_link_assignment): Check for shared
library, instead of PIC, and don't check PDE when making linker
assigned symbol dynamic.
ld/
* testsuite/ld-frv/fdpic-pie-6.d: Updated.
* testsuite/ld-mips-elf/pie-n32.d: Likewise.
* testsuite/ld-mips-elf/pie-n64.d: Likewise.
* testsuite/ld-mips-elf/pie-o32.d: Likewise.
Faraz Shahbazker [Tue, 23 Feb 2016 12:58:03 +0000 (12:58 +0000)]
Increment the ABIVERSION to 5 for MIPS objects with non-executable stacks.
* bfd/elfxx-mips.c (_bfd_mips_post_process_headers): Increment
ABIVERSION for non-executable stack.
Rich Felker [Tue, 23 Feb 2016 10:37:24 +0000 (10:37 +0000)]
Fix the genetation of GOT entries for the Microblaze target.
PR target/19516
* elf32-microblaze.c (microblaze_elf_finish_dynamic_symbol):
Always produce a RELATIVE reloc for a local symbol.
Yao Qi [Tue, 23 Feb 2016 09:21:09 +0000 (09:21 +0000)]
Process record for aarch64-linux syscall
This patch updates the syscalls in sync with syscalls/aarch64-linux.xml.
Some syscalls are still not supported by gdb/linux-record.c yet. Mark
them UNSUPPORTED_SYSCALL_MAP.
This patch fixes the following test fail,
Process record and replay target doesn't support syscall number 56^M
Process record: failed to record execution log.^M
^M
Program stopped.^M
0x00000020000e9dfc in open () from /lib/aarch64-linux-gnu/libc.so.6^M
(gdb) FAIL: gdb.reverse/fstatat-reverse.exp: continue to breakpoint: marker2
gdb:
2016-02-23 Yao Qi <yao.qi@linaro.org>
* aarch64-linux-tdep.c (enum aarch64_syscall) <aarch64_sys_mknod>:
Remove.
<aarch64_sys_mkdir, aarch64_sys_unlink, aarch64_sys_symlink>: Remove.
<aarch64_sys_link, aarch64_sys_rename, aarch64_sys_faccess>: Remove.
<aarch64_sys_mknodat, aarch64_sys_mkdirat>: New.
<aarch64_sys_unlinkat, aarch64_sys_symlinkat>: New.
<aarch64_sys_linkat, aarch64_sys_renameat, aarch64_sys_faccessat>: New.
<aarch64_sys_open, aarch64_sys_readlink, aarch64_sys_fstatat>: Remove.
<aarch64_sys_openat, aarch64_sys_readlinkat>: New.
<aarch64_sys_newfstatat>: New.
(UNSUPPORTED_SYSCALL_MAP): New macro.
(aarch64_canonicalize_syscall): Add missing syscalls.
Hans-Peter Nilsson [Tue, 23 Feb 2016 01:06:45 +0000 (02:06 +0100)]
Fix test-case ld-elf/pr19617b
* elf32-cris.c (elf_cris_discard_excess_program_dynamics): Don't
discard unused non-function symbols when --dynamic-list-data.
H.J. Lu [Tue, 23 Feb 2016 00:30:30 +0000 (16:30 -0800)]
Always create dynsym section with dynamic sections
We should always create the dynsym section, even if it is empty, with
dynamic sections.
* elflink.c (_bfd_elf_link_renumber_dynsyms): Always create the
dynsym section, even if it is empty, with dynamic sections.
GDB Administrator [Tue, 23 Feb 2016 00:00:22 +0000 (00:00 +0000)]
Automatic date update in version.in
Marcin Kościelnicki [Mon, 22 Feb 2016 07:28:38 +0000 (08:28 +0100)]
gdb.trace: Fix unavailable.exp if last register happens to be PC.
unavailable.exp executes "info registers", expecting to find at least
two instances of "<unavailable>". However, it uses
"<unavailable>.*<unavailable>" as the pattern, which doesn't match
when the last register happens to be available (eg. PC). Change it
to ".*<unavailable>.*<unavailable>.*" instead.
Noticed on s390, no regression on x86_64.
gdb/testsuite/ChangeLog:
* gdb.trace/unavailable.exp (gdb_unavailable_registers_test_1): Fix
info registers pattern.
Jan Kratochvil [Mon, 22 Feb 2016 16:15:14 +0000 (17:15 +0100)]
gdb-gdb.py: SyntaxError: Missing parentheses in call to 'print'
After building GDB
--with-python=/usr/bin/python3
and for example stripping ./gdb and running:
./gdb -data-directory data-directory/ -iex "add-auto-load-safe-path $PWD/gdb-gdb.gdb" -iex "add-auto-load-safe-path $PWD/gdb-gdb.
py" ./gdb
I get:
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
File "/home/jkratoch/redhat/gdb-test-python3/gdb/gdb-gdb.py", line 91
print "Warning: Cannot find enum type_flag_value type."
^
SyntaxError: Missing parentheses in call to 'print'
(top-gdb) q
gdb/ChangeLog
2016-02-22 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb-gdb.py (class TypeFlagsPrinter): Use parentheses for print.
Trevor Saunders [Mon, 22 Feb 2016 14:11:27 +0000 (14:11 +0000)]
Add more const type qualifiers to GAS sources.
* output-file.c (output_file_create): Make file name argument const.
(output_file_close): Likewise.
* output-file.h (output_file_create): Adjust.
(output_file_close): Likewise.
* depend.c (quote_string_for_make): Make src argument const char *.
(register_dependency): Likewise.
(wrap_output): Likewise.
* as.h (register_dependency): Adjust.
* config/tc-xtensa.c (finish_vinsn): Remove unnecessary calls to
as_where ();
* symbols.c (S_SET_EXTERNAL): Likewise.
* input-scrub.c (as_where): Return the file name.
* as.h (as_where): Adjust prototype.
* app.c (do_scrub_chars): Adjust.
* cond.c (s_elseif): Likewise.
(s_else): Likewise.
(initialize_cframe): Likewise.
* config/obj-coff.c (obj_coff_init_stab_section): Likewise.
* config/obj-elf.c (obj_elf_init_stab_section): Likewise.
* config/obj-som.c (obj_som_init_stab_section): Likewise.
* config/tc-aarch64.c (output_info): Likewise.
* config/tc-ia64.c (md_assemble): Likewise.
(dot_alias): Likewise.
* config/tc-m68k.c (m68k_frob_label): Likewise.
* config/tc-mmix.c (s_bspec): Likewise.
(mmix_handle_mmixal): Likewise.
* config/tc-rx.c (rx_include): Likewise.
* config/tc-tic54x.c (tic54x_set_default_include): Likewise.
(tic54x_adjust_symtab): Likewise.
* config/tc-xtensa.c (directive_push): Likewise.
(xtensa_sanity_check): Likewise.
(xtensa_relax_frag): Likewise.
(md_convert_frag): Likewise.
(tinsn_to_slotbuf): Likewise.
* dwarf2dbg.c (dwarf2_where): Likewise.
* ecoff.c (add_file): Likewise.
(ecoff_generate_asm_lineno): Likewise.
* expr.c (make_expr_symbol): Likewise.
* frags.c (frag_new): Likewise.
(frag_var_init): Likewise.
* listing.c (listing_newline): Likewise.
* messages.c (identify): Likewise.
(as_show_where): Likewise.
(as_warn_internal): Likewise.
(as_bad_internal): Likewise.
* read.c (s_irp): Likewise.
(s_macro): Likewise.
(s_reloc): Likewise.
* stabs.c (stabs_generate_asm_file): Likewise.
(stabs_generate_asm_lineno): Likewise.
(stabs_generate_asm_func): Likewise.
* write.c (fix_new_internal): Likewise.
* as.h (PRINTF_WHERE_LIKE): Make file name argument const.
(as_warn_value_out_of_range): Adjust prototype.
(as_bad_value_out_of_range): Adjust prototype.
* messages.c (identify): Make file name argument const char *.
(as_warn_internal): Likewise.
(as_warn_where): Likewise.
(as_bad_internal): Likewise.
(as_bad_where): Likewise.
(as_internal_value_out_of_range): Likewise.
(as_warn_value_out_of_range): Likewise.
(as_bad_value_out_of_range): Likewise.
* as.h (found_comment_file): Change type to const char *.
* cond.c (file_line::file): Likewise.
* config/obj-coff.c (obj_coff_init_stab_section): Make variable const.
* config/obj-elf.c (obj_elf_init_stab_section): Likewise.
* config/obj-som.c (obj_som_init_stab_section): Likewise.
* config/tc-aarch64.c (output_info): Likewise.
* config/tc-alpha.c (insert_operand): Likewise.
* config/tc-arc.c (insert_operand): Likewise.
* config/tc-d30v.c (check_size): Likewise.
* config/tc-ia64.c (struct alias): Likewise.
* config/tc-m68k.c (struct label_line): Likewise.
* config/tc-mcore.c (md_apply_fix): Likewise.
* config/tc-microblaze.c (md_estimate_size_before_relax): Likewise.
* config/tc-mips.c (mips16_immed): Likewise.
* config/tc-mmix.c (mmix_handle_mmixal): Likewise.
* config/tc-ppc.c (ppc_insert_operand): Likewise.
* config/tc-rx.c (rx_include): Likewise.
* config/tc-s390.c (s390_insert_operand): Likewise.
* config/tc-tic54x.c (tic54x_set_default_include): Likewise.
(tic54x_adjust_symtab): Likewise.
* config/tc-tilegx.c (insert_operand): Likewise.
(apply_special_operator): Likewise.
* config/tc-tilepro.c (insert_operand): Likewise.
* config/tc-xtensa.c (directive_push): Likewise.
* ecoff.c (add_file): Likewise.
(ecoff_generate_asm_lineno): Likewise.
* listing.c (listing_newline): Likewise.
* read.c (s_irp): Likewise.
* write.c (install_reloc): Likewise.
* write.h (struct fix): Likewise.
* input-file.c (file_name): Change type to const char *.
(saved_file::file_name): Likewise.
(input_file_open): Change type of argument to const char *.
* input-file.h (input_file_open): Adjust.
* input-scrub.c (logical_input_file): change type to const char *.
(physical_input_file): Likewise.
(struct input_save): Adjust.
(input_scrub_push): Adjust.
(input_scrub_begin): Adjust.
(as_where): Adjust.
* input-scrub.c (input_scrub_new_file): Make file name argument const.
(input_scrub_include_file): Likewise.
(new_logical_line_flags): Likewise.
(new_logical_line): Likewise.
* as.h: Adjust.
* frags.h (struct frag): Change type of fr_file to const char *.
* expr.c (expr_symbol_where): Change type of file argument to
const char **.
* expr.h (expr_symbol_where): Likewise.
* config/tc-i370.c (md_apply_fix): adjust.
* config/tc-mmix.c (mmix_md_end): Likewise.
* config/tc-ppc.c (md_apply_fix): Likewise.
* config/tc-s390.c (md_apply_fix): Likewise.
* symbols.c (report_op_error): Likewise.
(resolve_symbol_value): Likewise.
* config/tc-ia64.c (slot::src_file): Change type to const char *.
(rsrc::file): Likewise.
* config/tc-xtensa.c (xtensa_sanity_check): Change type of variable to
const char *.
(xtensa_relax_frag): Likewise.
(md_convert_frag): Likewise.
(tinsn_to_slotbuf): Likewise.
* expr.c (expr_symbol_line): Likewise.
* macro.c (define_macro): Likewise.
* macro.h (macro_struct): Likewise.
* messages.c (as_show_where): Likewise.
* read.c (s_macro): Likewise.
* stabs.c (stabs_generate_asm_file): Likewise.
(generate_asm_file): Likewise.
(stabs_generate_asm_lineno): Likewise.
* write.h (struct reloc_list): Likewise.
* input-scrub.c (as_where): Change return type to const char *.
* as.h (as_wheree): Adjust.
H.J. Lu [Mon, 22 Feb 2016 12:39:21 +0000 (04:39 -0800)]
Remove BSF_COMMON from comments
BSF_COMMON isn't defined in BFD.
* syms.c: Remove BSF_COMMON from comments.
* bfd-in2.h: Regenerated.
Jiong Wang [Mon, 22 Feb 2016 12:16:06 +0000 (12:16 +0000)]
[AArch64] Remove redundant calculation of plt stub destination for veneer
elfNN_aarch64_size_stubs, the caller of aarch64_type_stub has redirected
the final destination of long branch veneer to plt stub if the call
should go through it.
It's redundant to do the same check and redirect again from scratch
inside aarch64_type_stub.
bfd/
* elfnn-aarch64. (aarch64_type_of_stub): Remove redundation calcuation
for destination. Remove useless function parameters.
(elfNN_aarch64_size_stubs): Update parameters for aarch64_type_of_stub.
Yao Qi [Mon, 22 Feb 2016 12:08:51 +0000 (12:08 +0000)]
Fix arm process record code format
This patch fixes the various code format issues in arm process record
in arm-tdep.c, such as using tab instead of spaces.
gdb:
2016-02-22 Yao Qi <yao.qi@linaro.org>
* arm-tdep.c: Fix code format issues.
GDB Administrator [Mon, 22 Feb 2016 00:00:18 +0000 (00:00 +0000)]
Automatic date update in version.in
Iain Buclaw [Sun, 21 Feb 2016 21:05:46 +0000 (22:05 +0100)]
Also update recursive call to d_lookup_symbol_imports.
Iain Buclaw [Sun, 21 Feb 2016 20:38:10 +0000 (21:38 +0100)]
Remove search_parents parameter from d_lookup_symbol_imports.
gdb/ChangeLog:
* d-namespace.c (d_lookup_symbol_imports): Remove argument
'search_parents'. All callers updated.
H.J. Lu [Sun, 21 Feb 2016 14:43:20 +0000 (06:43 -0800)]
Set BFD compression bits in write_object_file
There is no need to set BFD compression bits for each section. We
should just set it once in write_object_file.
* write.c (compress_debug): Move BFD compression bits setting
to ...
(write_object_file): Here.
GDB Administrator [Sun, 21 Feb 2016 00:00:17 +0000 (00:00 +0000)]
Automatic date update in version.in
H.J. Lu [Sat, 20 Feb 2016 22:43:52 +0000 (14:43 -0800)]
Skip pr19539 test for cris*-*-* targets
cris*-*-* targets doesn't support PIE with relocation in pr19539 test.
* testsuite/ld-elf/pr19539.d: Skip cris*-*-* targets.
H.J. Lu [Sat, 20 Feb 2016 17:23:20 +0000 (09:23 -0800)]
[i386] Check RegVRex in register_number
Increment register number by 16 if RegVRex is set.
* config/tc-i386.c (register_number): Check RegVRex.
* testsuite/gas/i386/x86-64-avx512f.s: Add a test for vgatherqpd
with %zmm19 and %zmm3.
* testsuite/gas/i386/x86-64-avx512f-intel.d: Updated.
* testsuite/gas/i386/x86-64-avx512f.d: Likewise.
GDB Administrator [Sat, 20 Feb 2016 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in
Nick Clifton [Fri, 19 Feb 2016 16:15:48 +0000 (16:15 +0000)]
Fix snafu - add missing const declaration to 'string' local variable in s_stab_generic.
Nick Clifton [Fri, 19 Feb 2016 15:55:06 +0000 (15:55 +0000)]
Prevent a seg-fault in the linker when accessing a specially crafted, corrupt, aout binary.
PR ld/19629
* aoutx.h (aout_link_add_symbols): Check for out of range string
table offsets.
Nick Clifton [Fri, 19 Feb 2016 15:20:30 +0000 (15:20 +0000)]
Fix a seg-fault in the linker when it encounters a corrupt binary containing a reloc with no associated symbol.
PR ld/19628
* reloc.c (bfd_generic_get_relocated_section_contents): Stop
processing if we encounter a reloc without an associated symbol.
Jiong Wang [Fri, 19 Feb 2016 14:27:23 +0000 (14:27 +0000)]
[ARM] Add FP16 feature extension for ARMv8.2 architecture
include/
* opcode/arm.h (ARM_EXT2_FP16_INSN): New.
gas/
* config/tc-arm.c (arm_ext_fp16): New.
(arm_extensions): New entry for "fp16".
Nick Clifton [Fri, 19 Feb 2016 13:19:57 +0000 (13:19 +0000)]
Prevent seg-fault in gas reading a binary input file.
PR 19630
* read.c (read_a_source_file): Check for assemble_one returning
with input_line_pointer set to NULL.
Trevor Saunders [Fri, 19 Feb 2016 12:13:08 +0000 (12:13 +0000)]
Change the return type of the rebuffer_line function to void.
* listing.c (rebuffer_line): Change return type to void.
Trevor Saunders [Fri, 19 Feb 2016 12:03:08 +0000 (12:03 +0000)]
Add const to various variables in the gas sources.
* symbols.c (decode_local_label_name): Make type a const char *.
* listing.c (print_source): Make type of p const char *.
(print_line): Make type of string const char *.
(buffer_line): Return const char *.
(title): Make type const char *.
(subtitle): Likewise.
(listing_listing): Make type of p const char *.
* messages.c (as_internal_value_out_of_range): Make type of prefix
const char *.
* stabs.c (s_stab_generic): make type of stab_secname, stabstr_secname
and string const char *.
* read.c (_bfd_rel): Make type of name const char *.
* app.c (out_string): Change type to const char *.
(struct app_save::out_string): Likewise.
GDB Administrator [Fri, 19 Feb 2016 00:00:10 +0000 (00:00 +0000)]
Automatic date update in version.in
Iain Buclaw [Thu, 18 Feb 2016 21:01:44 +0000 (22:01 +0100)]
Add D support to gdb_default_target_compile.
gdb/testsuite/ChangeLog:
* lib/future.exp: Add D support.
(gdb_find_gdc): New proc.
(gdb_default_target_compile): Add D support.
Wei-cheng Wang [Thu, 20 Aug 2015 17:32:18 +0000 (01:32 +0800)]
Determine the iteration count based on wallclock instead of user+system time.
gdb/testsuite/ChangeLog:
2016-02-18 Wei-cheng Wang <cole945@gmail.com>
* gdb.trace/tspeed.c (myclock): Return wallclock instead of
user+system time.
(trace_speed_test): Determine the iteration count for a time
between 15..30 seconds.
Marcin Kościelnicki [Sat, 23 Jan 2016 22:53:41 +0000 (23:53 +0100)]
gdb/s390: Fill guess_tracepoint_registers hook.
gdb/ChangeLog:
* s390-linux-tdep.c (s390_guess_tracepoint_registers): New function.
(s390_gdbarch_init): Fill guess_tracepoint_registers hook.
Walfred Tedeschi [Thu, 18 Feb 2016 16:24:59 +0000 (17:24 +0100)]
Intel MPX bound violation handling
With Intel Memory Protection Extensions it was introduced the concept of
boundary violation. A boundary violations is presented to the inferior as
a segmentation fault having SIGCODE 3. This patch adds a
handler for a boundary violation extending the information displayed
when a bound violation is presented to the inferior. In the stop mode
case the debugger will also display the kind of violation: "upper" or
"lower", bounds and the address accessed.
On no stop mode the information will still remain unchanged. Additional
information about bound violations are not meaningful in that case user
does not know the line in which violation occurred as well.
When the segmentation fault handler is stop mode the out puts will be
changed as exemplified below.
The usual output of a segfault is:
Program received signal SIGSEGV, Segmentation fault
0x0000000000400d7c in upper (p=0x603010, a=0x603030, b=0x603050,
c=0x603070, d=0x603090, len=7) at i386-mpx-sigsegv.c:68
68 value = *(p + len);
In case it is a bound violation it will be presented as:
Program received signal SIGSEGV, Segmentation fault
Upper bound violation while accessing address 0x7fffffffc3b3
Bounds: [lower = 0x7fffffffc390, upper = 0x7fffffffc3a3]
0x0000000000400d7c in upper (p=0x603010, a=0x603030, b=0x603050,
c=0x603070, d=0x603090, len=7) at i386-mpx-sigsegv.c:68
68 value = *(p + len);
In mi mode the output of a segfault is:
*stopped,reason="signal-received",signal-name="SIGSEGV",
signal-meaning="Segmentation fault", frame={addr="0x0000000000400d7c",
func="upper",args=[{name="p", value="0x603010"},{name="a",value="0x603030"}
,{name="b",value="0x603050"}, {name="c",value="0x603070"},
{name="d",value="0x603090"},{name="len",value="7"}],
file="i386-mpx-sigsegv.c",fullname="i386-mpx-sigsegv.c",line="68"},
thread-id="1",stopped-threads="all",core="6"
in the case of a bound violation:
*stopped,reason="signal-received",signal-name="SIGSEGV",
signal-meaning="Segmentation fault",
sigcode-meaning="Upper bound violation",
lower-bound="0x603010",upper-bound="0x603023",bound-access="0x60302f",
frame={addr="0x0000000000400d7c",func="upper",args=[{name="p",
value="0x603010"},{name="a",value="0x603030"},{name="b",value="0x603050"},
{name="c",value="0x603070"},{name="d",value="0x603090"},
{name="len",value="7"}],file="i386-mpx-sigsegv.c",
fullname="i386-mpx-sigsegv.c",line="68"},thread-id="1",
stopped-threads="all",core="6"
2016-02-18 Walfred Tedeschi <walfred.tedeschi@intel.com>
gdb/ChangeLog:
* NEWS: Add entry for bound violation.
* amd64-linux-tdep.c (amd64_linux_init_abi_common):
Add handler for segmentation fault.
* gdbarch.sh (handle_segmentation_fault): New.
* gdbarch.c: Regenerate.
* gdbarch.h: Regenerate.
* i386-linux-tdep.c (i386_linux_handle_segmentation_fault): New.
(SIG_CODE_BONDARY_FAULT): New define.
(i386_linux_init_abi): Use i386_mpx_bound_violation_handler.
* i386-linux-tdep.h (i386_linux_handle_segmentation_fault) New.
* i386-tdep.c (i386_mpx_enabled): Add as external.
* i386-tdep.c (i386_mpx_enabled): Add as external.
* infrun.c (handle_segmentation_fault): New function.
(print_signal_received_reason): Use handle_segmentation_fault.
gdb/testsuite/ChangeLog:
* gdb.arch/i386-mpx-sigsegv.c: New file.
* gdb.arch/i386-mpx-sigsegv.exp: New file.
* gdb.arch/i386-mpx-simple_segv.c: New file.
* gdb.arch/i386-mpx-simple_segv.exp: New file.
gdb/doc/ChangeLog:
* gdb.texinfo (Signals): Add bound violation display hints for
a SIGSEGV.
Marcin Kościelnicki [Thu, 18 Feb 2016 08:21:38 +0000 (09:21 +0100)]
gdb: Add guess_tracepoint_registers hook to gdbarch.
When we're looking at a tracefile trace frame where registers are not
available, and the tracepoint has only one location, we supply
the location's address as the PC register. However, this only works
if PC is not a pseudo register, and individual architectures may want
to guess more registers. Add a gdbarch hook that will handle that.
gdb/ChangeLog:
* arch-utils.c (default_guess_tracepoint_registers): New function.
* arch-utils.h (default_guess_tracepoint_registers): New prototype.
* gdbarch.c: Regenerate.
* gdbarch.h: Regenerate.
* gdbarch.sh: Add guess_tracepoint_registers hook.
* tracefile.c (tracefile_fetch_registers): Use the new gdbarch hook.
H.J. Lu [Thu, 18 Feb 2016 15:48:57 +0000 (07:48 -0800)]
Enable PR ld/19617 tests only for Linux/GNU/Solaris
Since PR ld/19617 tests require share library support, enable them
only for Linux/GNU/Solaris targets.
* testsuite/ld-elf/pr19617a.d: Enable only for *-*-linux*,
*-*-gnu* and *-*-solaris*.
* testsuite/ld-elf/pr19617b.d: Likewise.
* testsuite/ld-elf/pr19617c.d: Likewise.
Yao Qi [Thu, 18 Feb 2016 13:02:12 +0000 (13:02 +0000)]
Remove setup_kfail server/13796 in disp-step-syscall.exp
This patch series add fork support in target remote,
[PATCH v2 0/3] Target remote mode fork and exec support
https://sourceware.org/ml/gdb-patches/2015-12/msg00144.html
so GDB can be informed about the child, and adjust child correctly in
displaced stepping. The PR server/13796 was fixed by this patch
series actually. Test results on buildbot show this KFAIL->KPASS
change https://sourceware.org/ml/gdb-testers/2015-q4/msg10128.html
gdb/testsuite:
2016-02-18 Yao Qi <yao.qi@linaro.org>
* gdb.base/disp-step-syscall.exp (disp_step_cross_syscall):
Don't call setup_kfail.
Yao Qi [Thu, 18 Feb 2016 12:04:32 +0000 (12:04 +0000)]
Set breakpoint condition-evaluation in forking-threads-plus-breakpoint.exp
Proc do_test in forking-threads-plus-breakpoint.exp has an argument
cond_bp_target, but the test doesn't use it to set
"breakpoint condition-evaluation", which is an oversight in the test.
This patch fixes it by setting "breakpoint condition-evaluation" per
$cond_bp_target.
gdb/testsuite:
2016-02-18 Yao Qi <yao.qi@linaro.org>
* gdb.threads/forking-threads-plus-breakpoint.exp (do_test):
Set "set breakpoint condition-evaluation" per $cond_bp_target.
H.J. Lu [Thu, 18 Feb 2016 11:13:19 +0000 (03:13 -0800)]
Always create dynamic sections for -E/--dynamic-list
In embedded environments, including boot loaders, the non-PIC executable
needs to export its symbols to modules loaded in the future. We should
always create dynamic sections for -E/--dynamic-list.
bfd/
PR ld/19617
* elflink.c (elf_link_add_object_symbols): Always create dynamic
sections for -E/--dynamic-list.
ld/
PR ld/19617
* testsuite/ld-elf/pr19617.s: New file.
* testsuite/ld-elf/pr19617a.d: Likewise.
* testsuite/ld-elf/pr19617b.d: Likewise.
* testsuite/ld-elf/pr19617c.d: Likewise.
Nick Clifton [Thu, 18 Feb 2016 10:10:36 +0000 (10:10 +0000)]
Fix computation of CXX_FOR_TARGET so that it can detect an in-tree xg++ executable.
* Makefile.am (CXX_FOR_TARGET): Check for the presence of an
in-tree xg++ executable after checking for the presence of an
in-tree g++ executable.
* Makefile.in: Regenerate.
Dan Gisselquist [Thu, 18 Feb 2016 09:47:31 +0000 (09:47 +0000)]
Avoid setting or recording negative alignments when the target stores multiple octets in a single byte.
gas * read.c (finish_bundle): Avoid recording a negative alignment.
(do_align): Use unsigned values for n, len and max. Only create
a frag if the alignment requirement is greater than the minimum
byte alignment. Avoid recording a negative alignment.
(s_align): Use unsigned values where appropriate.
(bss_alloc): Use an unsigned value for the alignment.
(sizeof_sleb128): Add a comment noting that we encode one octet
per byte, regardless of the value of OCTETS_PER_BYTE_POWER.
(emit_leb129_expr): Abort if the emitted encoding was longer than
expected.
* read.h (output_leb128): Update prototype.
(sizeof_leb128): Update prototype.
(bss_alloc): Update prototype.
* write.c (record_alignment): Use an unsigned value for the
alignment. Do not record alignments less than the minimum
alignment for a byte.
* write.h (record_alignment): Update prototype.
Marcin Kościelnicki [Wed, 10 Feb 2016 20:09:24 +0000 (21:09 +0100)]
gdb/doc: Add documentation for tfile description section lines.
gdb/doc/ChangeLog:
* gdb.texinfo (Trace File Format): Add documentation for description
section lines.
GDB Administrator [Thu, 18 Feb 2016 00:00:19 +0000 (00:00 +0000)]
Automatic date update in version.in
H.J. Lu [Wed, 17 Feb 2016 21:05:06 +0000 (13:05 -0800)]
Update IFUNC tests for x32
* testsuite/ld-ifunc/ifunc-1-local-x86.d: Updated.
* testsuite/ld-ifunc/ifunc-1-x86.d: Likewise.
* testsuite/ld-ifunc/ifunc-3a-x86.d: Likewise.
Max Filippov [Mon, 15 Feb 2016 23:23:28 +0000 (02:23 +0300)]
xtensa: fix .init/.fini literals moving
Despite the documentation and the comment in xtensa_move_literals, in
the presence of --text-section-literals and --auto-litpools literals are
moved from the separate literal sections into .init and .fini, because
the check in the xtensa_move_literals is incorrect.
This moving was broken with introduction of auto litpools: some literals
now may be lost. This happens because literal frags emitted from .init
and .fini are not closed when new .literal_position marks new literal
pool. Then frag_align(2, 0, 0) changes type of the last literal frag to
rs_align. rs_align frags are skipped in the xtensa_move_literals. As a
result fixups against such literals are not moved out of .init.literal/
.fini.literal sections producing the following assembler error:
test.S: Warning: fixes not all moved from .init.literal
test.S: Internal error!
Fix check for .init.literal/.fini.literal in the xtensa_move_literals
and don't let it move literals from there in the presence of
--text-section-literals or --auto-litpools.
2016-02-17 Max Filippov <jcmvbkbc@gmail.com>
gas/
* config/tc-xtensa.c (xtensa_move_literals): Fix check for
.init.literal/.fini.literal section name.
* testsuite/gas/xtensa/all.exp: Add init-fini-literals to the
list of xtensa tests.
* testsuite/gas/xtensa/init-fini-literals.d: New file:
init-fini-literals test result patterns.
* testsuite/gas/xtensa/init-fini-literals.s: New file:
init-fini-literals test.
H.J. Lu [Wed, 17 Feb 2016 19:18:53 +0000 (11:18 -0800)]
[x86-64] Omit dynamic sections symbols
Define elf_backend_omit_section_dynsym to bfd_true for x86-64, similar
to i386, x86-64 doesn't need dynamic sections symbols.
bfd/
* elf64-x86-64.c (elf_backend_omit_section_dynsym): New. Defined
to bfd_true.
ld/
* testsuite/ld-ifunc/ifunc-1-local-x86.d: Updated.
* testsuite/ld-ifunc/ifunc-1-x86.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-3a-x86.d: Likewise.
* testsuite/ld-ifunc/pr17154-x86-64.d: Likewise.
* testsuite/ld-x86-64/bnd-ifunc-1.d: Likewise.
* testsuite/ld-x86-64/bnd-ifunc-2.d: Likewise.
* testsuite/ld-x86-64/bnd-plt-1.d: Likewise.
* testsuite/ld-x86-64/ilp32-4-nacl.d: Likewise.
* testsuite/ld-x86-64/ilp32-4.d: Likewise.
* testsuite/ld-x86-64/load1c-nacl.d: Likewise.
* testsuite/ld-x86-64/load1c.d: Likewise.
* testsuite/ld-x86-64/load1d-nacl.d: Likewise.
* testsuite/ld-x86-64/load1d.d: Likewise.
* testsuite/ld-x86-64/pr14207.d: Likewise.
* testsuite/ld-x86-64/pr19162.d: Likewise.
* testsuite/ld-x86-64/tlsdesc-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlsdesc.rd: Likewise.
* testsuite/ld-x86-64/tlsgdesc-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlsgdesc.rd: Likewise.
* testsuite/ld-x86-64/tlspic-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlspic.rd: Likewise.
Gary Benson [Wed, 17 Feb 2016 14:38:36 +0000 (14:38 +0000)]
Add missing cleanup in exec_file_locate_attach
exec_file_locate_attach allocates memory for full_exec_path (using
either exec_file_find, source_full_path_of or xstrdup) but this
memory is never freed. This commit adds the necessary cleanup.
gdb/ChangeLog:
* exec.c (exec_file_locate_attach): Add missing cleanup.
Nick Clifton [Wed, 17 Feb 2016 10:20:53 +0000 (10:20 +0000)]
Skip eh-frame-hdr test for arc-elf targets.
ld * testsuite/ld-elf/eh-frame-hdr.d: Skip for ARC ELF targets.
Nick Clifton [Wed, 17 Feb 2016 09:55:32 +0000 (09:55 +0000)]
Update list of known MSP430 MCUs.
* config/tc-msp430.c (msp430_mcu_data): Sync with data from TI's
devices.csv file as of March 2016.
Marcin Kościelnicki [Tue, 19 Jan 2016 18:37:38 +0000 (19:37 +0100)]
gdbserver/s390: Advertise Z0 packet support.
This is necessary for upcoming tracepoint support - otherwise, setting
a tracepoint and a breakpoint on the same address will fail, since gdbserver
won't know about gdb's breakpoint.
Tested on s390x-ibm-linux-gnu and s390-ibm-linux-gnu, RHEL 7.2.
gdb/gdbserver/ChangeLog:
* linux-s390-low.c (s390_supports_z_point_type): New function.
(struct linux_target_ops): Wire s390_supports_z_point_type in.
projects / binutils-gdb.git / log