Simon Marchi [Wed, 6 Jul 2016 14:18:10 +0000 (10:18 -0400)]
gdb.ada/arraydim.exp: Fix directory layout
I forgot to fix this one in the previous commit.
gdb/testsuite/ChangeLog:
* gdb.ada/arraydim.exp: Remove extra directory level in build
directory.
Simon Marchi [Wed, 6 Jul 2016 14:02:48 +0000 (10:02 -0400)]
Remove extra output directory level for Ada tests
The output of Ada tests create a layout where the test name
("formatted_ref" in this example) appears twice:
outputs
└── gdb.ada
└── formatted_ref
└── formatted_ref
├── b~formatted_ref.adb
├── b~formatted_ref.ads
├── b~formatted_ref.ali
├── b~formatted_ref.o
├── defs.ali
├── defs.o
├── formatted_ref
├── formatted_ref.ali
└── formatted_ref.o
This causes a problem when testing with the native-gdbserver board, when
the binary has the same name as the test. When gdb_remote_download is
called to upload the compiled binary, the implementation for
native-gdbserver copies it in the standard output directory (in
outputs/gdb.ada/formatted_ref). However, there is already a directory
named formatted_ref in there, so the copy fails and gdbserver isn't able
to load the binary.
This patch bypasses the problem by removing the extra directory level.
The compiled binary will already be in its final location in the
standard output directory, so the copy will effectively be a no-op.
gdb/testsuite/ChangeLog:
* lib/ada.exp: Remove extra directory level in build directory.
* gdb.ada/cond_lang.exp: Likewise.
* gdb.ada/exec_changed.exp: Likewise.
* gdb.ada/lang_switch.exp: Likewise.
John Baldwin [Mon, 20 Jun 2016 23:16:31 +0000 (16:16 -0700)]
Remove extraneous parentheses.
gdb/ChangeLog:
* h8300-tdep.c (h8300_print_register): Remove extraneous parentheses.
John Baldwin [Sat, 11 Jun 2016 20:18:15 +0000 (13:18 -0700)]
Use unsigned integer constant with left shifts.
This avoids undefined behavior.
gdb/ChangeLog:
* ada-lang.c (ada_unpack_from_contents): Use unsigned constants with
left shifts.
John Baldwin [Sat, 11 Jun 2016 14:43:46 +0000 (07:43 -0700)]
Set uses_fp for frames with a valid FP register explicitly.
Since CORE_ADDR is unsigned, the saved FP register is always greater than
or equal to zero. Replace the comparison by explicitly setting uses_fp to
1 for frames with a valid FP register.
gdb/ChangeLog:
* sh64-tdep.c (sh64_analyze_prologue): Set "uses_fp" when setting
the MEDIA_FP_REGNUM register.
John Baldwin [Sat, 11 Jun 2016 14:38:42 +0000 (07:38 -0700)]
Remove check for negative size.
Since CORE_ADDR is unsigned, this value can never be negative.
gdb/ChangeLog:
* score-tdep.c (score7_malloc_and_get_memblock): Remove check for
negative size.
John Baldwin [Fri, 1 Jul 2016 17:18:50 +0000 (10:18 -0700)]
Use 'ptid_t' instead of 'ptid' for fbsd_next_vfork_done's return type.
'ptid' compiles in C++, but not C.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_is_vfork_done_pending): Fix return type.
Yao Qi [Tue, 5 Jul 2016 14:29:20 +0000 (15:29 +0100)]
[ARM] Fix endless recursion on calculating CPRC candidate
When GDB determines whether type T can be part of candidate for
passing and returning in VFP registers, it calls
arm_vfp_cprc_sub_candidate recursively. However, if type T has
self-reference field, like,
class C
{
static C s;
};
arm_vfp_cprc_sub_candidate won't return. This fix is to skip calling
arm_vfp_cprc_sub_candidate if the field is static.
gdb:
2016-07-06 Yao Qi <yao.qi@linaro.org>
* arm-tdep.c (arm_vfp_cprc_sub_candidate): Don't call
arm_vfp_cprc_sub_candidate for static field.
Manish Goregaokar [Wed, 6 Jul 2016 05:25:10 +0000 (10:55 +0530)]
Allow subscripting raw pointers
This will be useful for dealing with vectors; regardless of our final solution
for the Index trait.
2016-07-06 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_subscript): Allow subscripting pointers
gdb/testsuite/ChangeLog:
* simple.rs: Add test for raw pointer subscripting
* simple.exp: Add test expectations
GDB Administrator [Wed, 6 Jul 2016 00:00:20 +0000 (00:00 +0000)]
Automatic date update in version.in
H.J. Lu [Tue, 5 Jul 2016 14:35:52 +0000 (07:35 -0700)]
Add -flto to PR ld/20321 test
Before GCC 4.9, -flto is required for final LTO link. Add -flto to PR
ld/20321 test to support older versions of GCC.
* testsuite/ld-plugin/lto.exp: Add -flto to PR ld/20321 test.
Yao Qi [Tue, 5 Jul 2016 13:46:21 +0000 (14:46 +0100)]
Fix fail in gdb.mi/mi-reverse.exp
Commit
38b022b4452f996fb5a8598f80d850b594621bcf adds "method" and
"format" fields in =record-started, but doesn't update test case
gdb.mi/mi-reverse.exp, so it causes the fail like this,
PASS: gdb.mi/mi-reverse.exp: mi runto main
Expecting: ^(-interpreter-exec console record[^M
]+)?(=record-started,thread-group="i1"^M
\^done[^M
]+[(]gdb[)] ^M
[ ]*)
-interpreter-exec console record^M
=record-started,thread-group="i1",method="full"^M
^done^M
(gdb) ^M
FAIL: gdb.mi/mi-reverse.exp: Turn on process record
and regression was found by buildbot too
https://sourceware.org/ml/gdb-testers/2016-q2/msg04492.html
gdb/testsuite:
2016-07-05 Yao Qi <yao.qi@linaro.org>
* gdb.mi/mi-reverse.exp: Match =record-started output.
Andre Vieria [Tue, 5 Jul 2016 10:39:06 +0000 (11:39 +0100)]
[ARM] Purecode compatible long branch veneer for M-profile targets with MOVW.
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* elf32-arm.c (THUMB32_MOVT): New veneer macro.
(THUMB32_MOVW): Likewise.
(elf32_arm_stub_long_branch_thumb2_only_pure): New.
(DEF_STUBS): Define long_branch_thumb2_only_pure.
(arm_stub_is_thumb): Add new veneer stub.
(arm_type_of_stub): Use new veneer.
(arm_stub_required_alignment): Add new veneer.
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* testsuite/ld-arm/farcall-thumb2-purecode.d: New test result.
* testsuite/ld-arm/farcall-thumb2-purecode.s: New test.
* testsuite/ld-arm/arm-elf.exp: Run it.
Andre Vieria [Tue, 5 Jul 2016 10:28:46 +0000 (11:28 +0100)]
[ARM] Change noread to purecode.
bfd/ChangeLog
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* bfd-in2.h (SEC_ELF_NOREAD): Rename to ...
(SEC_ELF_PURECODE): ... this.
* elf32-arm.c (elf32_arm_post_process_headers): Rename SEC_ELF_NOREAD
to SEC_ELF_NOREAD.
(elf32_arm_fake_sections): Likewise.
(elf_32_arm_section_flags): Likewise.
(elf_32_arm_lookup_section_flags): Likewise.
* section.c (SEC_ELF_NOREAD): Rename to ...
(SEC_ELF_PURECODE): ... this.
binutils/ChangeLog
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* objdump.c (dump_section_header): Rename SEC_ELF_NOREAD
to SEC_ELF_NOREAD.
* readelf.c (get_elf_section_flags): Rename ARM_NOREAD to
ARM_PURECODE and SHF_ARM_NOREAD to SHF_ARM_PURECODE.
(process_section_headers): Rename noread to purecode.
* section.c (SEC_ELF_NOREAD): Rename to ...
(SEC_ELF_PURECODE): ... this.
include/ChangeLog
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* elf/arm.h (SHF_ARM_NOREAD): Rename to ...
(SHF_ARM_PURECODE): ... this.
ld/ChangeLog
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* testsuite/ld-arm/arm_noread.ld: Renamed to ...
testsuite/ld-arm/arm_purecode.ld: ... this, and replaced
all noread's by purecode.
Jan Beulich [Tue, 5 Jul 2016 09:36:08 +0000 (11:36 +0200)]
ld: track linker-definedness of symbols
Keep "lineno" as zero while not processing any script, and use it being
zero to set the "linker_def" field to true.
Jan Beulich [Tue, 5 Jul 2016 09:14:51 +0000 (11:14 +0200)]
x86: fix register check in check_qword_reg()
A missing 'r' (or wrong 'e') register prefix needs to be complained
about if the template allows for a 64-bit register, not a 32-bit one.
I assume this was a copy-and-paste type of mistake
(from check_long_reg()).
Jan Kratochvil [Tue, 5 Jul 2016 08:47:18 +0000 (10:47 +0200)]
babeltrace compilation regression
Since:
commit
2d681be471cf8aff8f296cb7713c39e9aa4fc2bb
Author: Andreas Arnez <arnez@linux.vnet.ibm.com>
Date: Wed Apr 27 15:52:16 2016 +0200
Avoid non-C++-enabled babeltrace versions
tested with:
libbabeltrace-devel-1.2.4-4.fc24.x86_64
libbabeltrace-devel-1.4.0-2.fc25.x86_64
it can no longer build due to:
configure:16435: gcc -o conftest -m64 -g3 -pipe -Wall -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -fno-diagno
stics-show-caret -Werror -static-libstdc++ -static-libgcc conftest.c -ldl -ldl -lncurses -lm -ldl -lbabeltrace -lbabeltrace-ctf >&5
conftest.c: In function 'main':
conftest.c:208:7: error: 'pos' is a pointer; did you mean to use '->'?
gdb/ChangeLog
2016-07-05 Jan Kratochvil <jan.kratochvil@redhat.com>
* configure: Regenerate.
* configure.ac (HAVE_LIBBABELTRACE): Fix pos variable dereference.
GDB Administrator [Tue, 5 Jul 2016 00:00:21 +0000 (00:00 +0000)]
Automatic date update in version.in
H.J. Lu [Mon, 4 Jul 2016 15:55:04 +0000 (08:55 -0700)]
Warn and return for duplicated plugin
If a plugin has been loaded already, we should warn and return, instead
of adding it on the plugin list.
PR ld/20321
* plugin.c (plugin_opt_plugin): Warn and return if plugin has
been loaded already.
* testsuite/ld-plugin/lto.exp: Run PR ld/20321 test.
* testsuite/ld-plugin/pr20321.c: New file.
Nick Clifton [Mon, 4 Jul 2016 14:44:10 +0000 (15:44 +0100)]
Allow the flash and ram memory region sizes to be specified in the default FT32 linker script.
* scripttempl/ft32.sc (__PMSIZE_): If not defined, set to 256K.
(__RAMSIZE): If not defined, set to 64K.
(MEMORY): Set the flash region size to __PMSIZE and the ram region
size to __RAMSIZE.
GDB Administrator [Mon, 4 Jul 2016 00:00:15 +0000 (00:00 +0000)]
Automatic date update in version.in
GDB Administrator [Sun, 3 Jul 2016 00:00:21 +0000 (00:00 +0000)]
Automatic date update in version.in
Maciej W. Rozycki [Sat, 2 Jul 2016 22:39:18 +0000 (23:39 +0100)]
MIPS/GAS/testsuite: Remove remnants of a.out/ECOFF support
Complement:
commit
16e5e222b6eae6f110ea72bf627585c095a453a8
Author: Richard Sandiford <rdsandiford@googlemail.com>
Date: Sat Jun 22 16:57:42 2013 +0000
<https://sourceware.org/ml/binutils/2013-06/msg00195.html>, ("Make
gas/mips/mips.exp ELF-only"), and remove the remaining stale ECOFF test
dumps and pieces of a.out/ECOFF support in relocation match patterns.
gas/
* testsuite/gas/mips/ecoff@ld.d: Remove test.
* testsuite/gas/mips/ecoff@ld-forward.d: Remove test.
* testsuite/gas/mips/ecoff@ld-zero-3.d: Remove test.
* testsuite/gas/mips/ecoff@sd.d: Remove test.
* testsuite/gas/mips/ecoff@sd-forward.d: Remove test.
* testsuite/gas/mips/beq.d: Remove a.out and ECOFF support from
reloc patterns.
* testsuite/gas/mips/mipsr6@beq.d: Likewise.
* testsuite/gas/mips/bge.d: Likewise.
* testsuite/gas/mips/mipsr6@bge.d: Likewise.
* testsuite/gas/mips/bgeu.d: Likewise.
* testsuite/gas/mips/mipsr6@bgeu.d: Likewise.
* testsuite/gas/mips/blt.d: Likewise.
* testsuite/gas/mips/mipsr6@blt.d: Likewise.
* testsuite/gas/mips/bltu.d: Likewise.
* testsuite/gas/mips/mipsr6@bltu.d: Likewise.
* testsuite/gas/mips/branch-likely.d: Likewise.
* testsuite/gas/mips/la.d: Likewise.
* testsuite/gas/mips/lb.d: Likewise.
* testsuite/gas/mips/lifloat.d: Likewise.
* testsuite/gas/mips/sb.d: Likewise.
* testsuite/gas/mips/uld.d: Likewise.
* testsuite/gas/mips/ulh.d: Likewise.
* testsuite/gas/mips/ulw.d: Likewise.
* testsuite/gas/mips/usd.d: Likewise.
* testsuite/gas/mips/ush.d: Likewise.
* testsuite/gas/mips/usw.d: Likewise.
Maciej W. Rozycki [Sat, 2 Jul 2016 22:14:20 +0000 (23:14 +0100)]
MIPS/LD/testsuite: Resurrect `branch-misc-2' test
Revert:
commit
c9c1e416d7dd1a35bd7c1a96d034dca1d5071cd1
Author: Alexandre Oliva <aoliva@redhat.com>
Date: Thu Dec 12 04:39:44 2002 +0000
<https://sourceware.org/ml/binutils/2002-11/msg00657.html>, ("mips:
branches to external labels are broken"), complementing:
commit
bad36eacdad37042c4efb1c5fbf48476b47de82b
Author: Daniel Jacobowitz <drow@false.org>
Date: Wed Nov 23 14:04:18 2005 +0000
<https://sourceware.org/ml/binutils/2005-11/msg00324.html>,
("R_MIPS_PC16, again").
ld/
* testsuite/ld-mips-elf/branch-misc-2.d: New test.
* testsuite/ld-mips-elf/mips-elf.exp: Run it.
Maciej W. Rozycki [Sat, 2 Jul 2016 22:09:06 +0000 (23:09 +0100)]
MIPS/GAS/testsuite: Split `branch-misc-2' tests into two
Move `branch-misc-2' tests for non locally-defined-global symbols into
separate files. These tests have been introduced with:
commit
6f171daac941741e5fa904f6e462adb75a595495
Author: Alexandre Oliva <aoliva@redhat.com>
Date: Thu Dec 12 04:40:22 2002 +0000
<https://sourceware.org/ml/binutils/2002-11/msg00631.html>, ("mips:
branches to external labels are broken"), and:
commit
d17b874b6c14caa2f2ed1b5544a48de9f39a1a65
Author: Alexandre Oliva <aoliva@redhat.com>
Date: Wed Mar 12 23:07:22 2003 +0000
<https://sourceware.org/ml/binutils/2003-03/msg00136.html>, ("On
resolving the MIPS gas branch reloc issue"), while the test case served
a different purpose. With the original intent of the test case brought
back with:
commit
bad36eacdad37042c4efb1c5fbf48476b47de82b
Author: Daniel Jacobowitz <drow@false.org>
Date: Wed Nov 23 14:04:18 2005 +0000
<https://sourceware.org/ml/binutils/2005-11/msg00324.html>,
("R_MIPS_PC16, again"), these stand in the way for linker testing.
gas/
* testsuite/gas/mips/branch-misc-2.s: Move non
locally-defined-global symbol tests...
* testsuite/gas/mips/branch-misc-5.s: ... to this new test.
* testsuite/gas/mips/branch-misc-2.d: Update accordingly.
* testsuite/gas/mips/branch-misc-2-64.d: Likewise.
* testsuite/gas/mips/branch-misc-2pic.d: Likewise.
* testsuite/gas/mips/branch-misc-2pic-64.d: Likewise.
* testsuite/gas/mips/mipsr6@branch-misc-2-64.d: Likewise.
* testsuite/gas/mips/mipsr6@branch-misc-2pic-64.d: Likewise.
* testsuite/gas/mips/micromips@branch-misc-2.d: Likewise.
* testsuite/gas/mips/micromips@branch-misc-2-64.d: Likewise.
* testsuite/gas/mips/micromips@branch-misc-2pic.d: Likewise.
* testsuite/gas/mips/micromips@branch-misc-2pic-64.d: Likewise.
* testsuite/gas/mips/branch-misc-5.d: New test.
* testsuite/gas/mips/branch-misc-5pic.d: New test.
* testsuite/gas/mips/branch-misc-5-64.d: New test.
* testsuite/gas/mips/branch-misc-5pic-64.d: New test.
* testsuite/gas/mips/mipsr6@branch-misc-5-64.d: New test.
* testsuite/gas/mips/mipsr6@branch-misc-5pic-64.d: New test.
* testsuite/gas/mips/micromips@branch-misc-5.d: New test.
* testsuite/gas/mips/micromips@branch-misc-5pic.d: New test.
* testsuite/gas/mips/micromips@branch-misc-5-64.d: New test.
* testsuite/gas/mips/micromips@branch-misc-5pic-64.d: New test.
* testsuite/gas/mips/mips.exp: Run the new tests.
Maciej W. Rozycki [Sat, 2 Jul 2016 21:19:15 +0000 (22:19 +0100)]
MIPS/GAS/testsuite: Reenable disabled external BEQ tests
Complement:
commit
bad36eacdad37042c4efb1c5fbf48476b47de82b
Author: Daniel Jacobowitz <drow@false.org>
Date: Wed Nov 23 14:04:18 2005 +0000
<https://sourceware.org/ml/binutils/2005-11/msg00324.html>,
("R_MIPS_PC16, again"), and reenable external BEQ tests, the remaining
subset missed from the set of branch tests previously disabled with:
commit
6f171daac941741e5fa904f6e462adb75a595495
Author: Alexandre Oliva <aoliva@redhat.com>
Date: Thu Dec 12 04:40:22 2002 +0000
<https://sourceware.org/ml/binutils/2002-11/msg00631.html>, ("mips:
branches to external labels are broken").
gas/
* testsuite/gas/mips/beq.s: Uncomment branches to undefined
symbols.
* testsuite/gas/mips/beq.d: Update accordingly.
* testsuite/gas/mips/mipsr6@beq.d: Likewise.
* testsuite/gas/mips/micromips@beq.d: Likewise.
Maciej W. Rozycki [Sat, 2 Jul 2016 21:14:27 +0000 (22:14 +0100)]
MIPS/GAS/testsuite: Restrict 64-bit `branch-mips' tests to NewABI targets
... removing numerous `mips-sgi-irix5' failures.
gas/
* testsuite/gas/mips/mips.exp: Restrict 64-bit `branch-mips'
tests to NewABI targets.
Maciej W. Rozycki [Sat, 2 Jul 2016 21:04:41 +0000 (22:04 +0100)]
MIPS/GAS/testsuite: Group `branch-misc' tests together
gas/
* testsuite/gas/mips/mips.exp: Group `branch-misc' tests
together.
GDB Administrator [Sat, 2 Jul 2016 00:00:22 +0000 (00:00 +0000)]
Automatic date update in version.in
Don Breazeal [Fri, 1 Jul 2016 18:13:48 +0000 (11:13 -0700)]
Optimize memory_xfer_partial for remote
Some analysis we did here showed that increasing the cap on the
transfer size in target.c:memory_xfer_partial could give 20% or more
improvement in remote load across JTAG. Transfer sizes were capped
to 4K bytes because of performance problems encountered with the
restore command, documented here:
https://sourceware.org/ml/gdb-patches/2013-07/msg00611.html
and in commit
67c059c29e1f ("Improve performance of large restore
commands").
The 4K cap was introduced because in a case where the restore command
requested a 100MB transfer, memory_xfer_partial would repeatedy
allocate and copy an entire 100MB buffer in order to properly handle
breakpoint shadow instructions, even though memory_xfer_partial would
actually only write a small portion of the buffer contents.
A couple of alternative solutions were suggested:
* change the algorithm for handling the breakpoint shadow instructions
* throttle the transfer size up or down based on the previous actual
transfer size
I tried implementing the throttling approach, and my implementation
reduced the performance in some cases.
This patch implements a new target function that returns that target's
limit on memory transfer size. It defaults to ULONGEST_MAX bytes,
because for native targets there is no marshaling and thus no limit is
needed. For remote targets it uses get_memory_write_packet_size.
gdb/ChangeLog:
* remote.c (remote_get_memory_xfer_limit): New function.
* target-delegates.c: Regenerate.
* target.c (memory_xfer_partial): Call
target_ops.to_get_memory_xfer_limit.
* target.h (struct target_ops)
<to_get_memory_xfer_limit>: New member.
Szabolcs Nagy [Fri, 1 Jul 2016 15:20:50 +0000 (16:20 +0100)]
[AArch64] Fix +nofp16 handling
Feature flag handling was not perfect, +nofp16 disabled fp
instructions too.
New feature flag macros were added to check features with multiple
bits set (matters for FP_F16 and SIMD_F16 opcode feature tests).
The unused AARCH64_OPCODE_HAS_FEATURE was removed, all checks should
use one of the AARCH64_CPU_HAS_* macros. AARCH64_CPU_HAS_FEATURE
now checks all feature bits.
The aarch64_features table now contains the dependencies as
a separate field (so when the feature is enabled all dependencies
are enabled and when it is disabled everything that depends on it
is disabled).
Note that armv8-a+foo+nofoo is not equivalent to armv8-a if
+foo turns on dependent features that nofoo does not turn off.
gas/
* config/tc-aarch64.c (struct aarch64_option_cpu_value_table): Add
require field.
(aarch64_features): Initialize require fields.
(aarch64_parse_features): Handle dependencies.
(aarch64_feature_enable_set, aarch64_feature_disable_set): New.
(md_assemble): Use AARCH64_CPU_HAS_ALL_FEATURES.
* testsuite/gas/aarch64/illegal-nofp16.s: New.
* testsuite/gas/aarch64/illegal-nofp16.l: New.
* testsuite/gas/aarch64/illegal-nofp16.d: New.
include/
* opcode/aarch64.h (AARCH64_CPU_HAS_ALL_FEATURES): New.
(AARCH64_CPU_HAS_ANY_FEATURES): New.
(AARCH64_CPU_HAS_FEATURE): Define as AARCH64_CPU_HAS_ALL_FEATURES.
(AARCH64_OPCODE_HAS_FEATURE): Remove.
John Baldwin [Sat, 25 Jun 2016 04:00:04 +0000 (21:00 -0700)]
Fake VFORK_DONE events when following only the parent after a vfork.
FreeBSD does not currently report a ptrace event for a parent process
after it resumes due to the child exiting the shared memory region after
a vfork. Take the same approach used in linux-nat.c in this case of
sleeping for a while and then reporting a fake VFORK_DONE event.
gdb/ChangeLog:
* fbsd-nat.c (struct fbsd_fork_child_info): Rename to ...
(struct fbsd_fork_info): ... this.
(struct fbsd_fork_info) <child>: Rename to ...
(struct fbsd_fork_info) <ptid>: ... this.
(fbsd_pending_children): Update type.
(fbsd_remember_child): Update type and field name.
(fbsd_is_child_pending): Likewise.
(fbsd_pending_vfork_done): New variable.
(fbsd_is_vfork_done_pending): New function.
(fbsd_next_vfork_done): New function.
(fbsd_resume): Don't resume processes with a pending vfork done
event.
(fbsd_wait): Report pending vfork done events.
(fbsd_follow_fork): Delay and record a pending vfork done event
for a vfork parent when detaching the child.
John Baldwin [Sat, 25 Jun 2016 04:06:36 +0000 (21:06 -0700)]
Move fbsd_resume and related functions below fork following helper code.
gdb/ChangeLog:
* fbsd-nat.c (super_resume): Move earlier next to "super_wait".
(resume_one_thread_cb): Move below fork following helper code.
(resume_all_threads_cb): Likewise.
(fbsd_resume): Likewise.
John Baldwin [Sat, 25 Jun 2016 01:24:21 +0000 (18:24 -0700)]
Honor detach-on-fork on FreeBSD.
Only detach from the new child process in the follow fork callback
if detach_fork is true.
gdb/ChangeLog:
* fbsd-nat.c (fbsd_follow_fork): Only detach child if
"detach_fork" is true.
Thomas Preud'homme [Fri, 1 Jul 2016 15:13:25 +0000 (16:13 +0100)]
Fix Thumb-2 BL detection
2016-07-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
bfd/
* elf32-arm.c (using_thumb2_bl): New function.
(arm_type_of_stub): Declare thumb2 variable together and change type
to bfd_boolean. Use using_thumb2_bl () to determine whether
THM_MAX_FWD_BRANCH_OFFSET or THM2_MAX_FWD_BRANCH_OFFSET should be
checked for BL range.
(elf32_arm_final_link_relocate): Use using_thumb2_bl () to determine
the bit size of BL offset.
ld/
* testsuite/ld-arm/arm-elf.exp (Thumb-2 BL): Assemble for ARMv7.
(Thumb-2 BL on ARMv6-M): New testcase.
* testsuite/ld-arm/thumb2-bl.d: Do not try to match testcase filename.
* testsuite/ld-arm/thumb2-bl.s: Do not select architecture.
John Baldwin [Tue, 28 Jun 2016 00:44:58 +0000 (17:44 -0700)]
Set debug registers on all threads belonging to the current inferior.
gdb/ChangeLog:
* x86bsd-nat.c: Include 'gdbthread.h'.
(x86bsd_dr_set): Set debug registers on all threads belonging to
the current inferior.
John Baldwin [Mon, 27 Jun 2016 20:19:09 +0000 (13:19 -0700)]
Consolidate x86 debug register code for BSD native targets.
Move the debug register support code from amd64bsd-nat.c and
i386bsd-nat.c into a shared x86bsd-nat.c.
Instead of setting up x86_dr_low in amd64fbsd-nat.c and
i386fbsd-nat.c, add a x86bsd_target function that creates a new target
that inherits from inf_ptrace and sets up x86 debug registers if
supported. In addition to initializing x86_dr_low, the x86bsd target
installs a custom mourn_inferior target operation to clean up the
x86 debug register state. Previously this was only done on amd64.
Now it will be done for both i386 and amd64. The i386bsd_target and
amd64bsd_target functions create targets that inherit from x86bsd
rather than inf_ptrace.
gdb/ChangeLog:
* Makefile.in [HFILES_NO_SRCDIR]: Replace 'amd64bsd-nat.h' with
'x86bsd-nat.h'.
* amd64bsd-nat.c: Include 'x86bsd-nat.h' instead of
'amd64bsd-nat.h'.
(amd64bsd_xsave_len): Rename and move to x86bsd-nat.c.
(amd64bsd_fetch_inferior_registers): Replace 'amd64bsd_xsave_len'
with 'x86bsd_xsave_len'.
(amd64bsd_store_inferior_registers): Likewise.
(amd64bsd_target): Inherit from x86bsd_target.
(amd64bsd_dr_get): Rename and move to x86bsd-nat.c.
(amd64bsd_dr_set): Likewise.
(amd64bsd_dr_set_control): Likewise.
(amd64bsd_dr_set_addr): Likewise.
(amd64bsd_dr_get_addr): Likewise.
(amd64bsd_dr_get_status): Likewise.
(amd64bsd_dr_get_control): Likewise.
* amd64fbsd-nat.c: Include 'x86bsd-nat.h' instead of
'amd64bsd-nat.h'.
(super_mourn_inferior): Move to x86bsd-nat.c.
(amd64fbsd_mourn_inferior): Rename and move to x86bsd-nat.c.
(amd64fbsd_read_description): Replace 'amd64bsd_xsave_len' with
'x86bsd_xsave_len'.
(_initialize_amd64fbsd_nat): Remove x86 watchpoint setup and
mourn_inferior' target op.
* config/i386/fbsd.mh (NATDEPFILES): Add x86bsd-nat.o.
* config/i386/fbsd64.mh: Likewise.
* config/i386/nbsd64.mh: Likewise.
* config/i386/nbsdelf.mh: Likewise.
* config/i386/obsd.mh: Likewise.
* config/i386/obsd64.mh: Likewise.
* i386bsd-nat.c: Include 'x86bsd-nat.h'.
(i386bsd_xsave_len): Rename and move to x86bsd-nat.c.
(i386bsd_fetch_inferior_registers): Replace 'i386bsd_xsave_len'
with 'x86bsd_xsave_len'.
(i386bsd_store_inferior_registers): Likewise.
(i386bsd_target): Inherit from x86bsd_target.
(i386bsd_dr_get): Rename and move to x86bsd-nat.c.
(i386bsd_dr_set): Likewise.
(i386bsd_dr_set_control): Likewise.
(i386bsd_dr_set_addr): Likewise.
(i386bsd_dr_get_addr): Likewise.
(i386bsd_dr_get_status): Likewise.
(i386bsd_dr_get_control): Likewise.
* i386bsd-nat.h (i386bsd_xsave_len): Remove.
(i386bsd_dr_set_control): Remove.
(i386bsd_dr_set_addr): Remove.
(i386bsd_dr_get_addr): Remove.
(i386bsd_dr_get_status): Remove.
(i386bsd_dr_get_control): Remove.
* i386fbsd-nat.c: Include 'x86bsd-nat.h'.
(i386fbsd_read_description): Replace 'i386bsd_xsave_len' with
'x86bsd_xsave_len'.
(_initialize_i386fbsd_nat): Remove x86 watchpoint setup and
mourn_inferior' target op.
* x86bsd-nat.c: New file.
* x86bsd-nat.h: New file.
Nick Clifton [Fri, 1 Jul 2016 11:35:01 +0000 (12:35 +0100)]
Fix potential buffer overflows with sprintf and very large integer values.
binutuils* prdbg.c (pr_enum_type): Use a buffer big enough to hold an
extremely large decimal value.
(pr_range_type): Likewise.
(pr_array_type): Likewise.
(pr_struct_field): Likewise.
(pr_class_baseclass): Likewise.
(pr_class_method_variant): Likewise.
(pr_tag_type): Likewise.
(pr_int_constant): Likewise.
(pr_typed_constant): Likewise.
(pr_variable): Likewise.
(pr_function_parameter): Likewise.
(pr_start_block): Likewise.
(pr_lineno): Likewise.
(pr_end_block): Likewise.
(tg_enum_type): Likewise.
(tg_int_constant): Likewise.
(tg_typed_constant): Likewise.
(tg_start_block): Likewise.
gas * macro.c (macro_expand_body): Use a buffer big enough to hold an
extremely large integer.
Pedro Alves [Fri, 1 Jul 2016 10:56:39 +0000 (11:56 +0100)]
Extend JIT-reader test and fix GDB problems that exposes
The jit-reader.exp test isn't really exercising the jit-reader's
unwinder API at all. This commit address that, and then fixes GDB
problems exposed.
- The custom JIT reader provided for the jit-reader.exp testcase
always rejects the jitted function's frame...
This is because the custom JIT reader in the testcase never ever
sets state->code_begin/end, so the bounds check in
gdb.base/jitreader.c:unwind_frame:
if (this_ip >= state->code_end || this_ip < state->code_begin)
return GDB_FAIL;
tends to fail, unless you're "lucky" (because it references
uninitialized data).
The result is that GDB is always actually using a built-in unwinder
for the jitted function.
- The provided unwinder doesn't do anything that GDB's built-in
unwinder can't do.
IOW, we can't really tell whether the JIT reader's unwinder is
working or not.
I fixed that by making the jitted function mangle its own stack
pointer with a xor, and then teaching the jit unwinder to demangle
it back (another xor). So now "backtrace" with GDB's built-in
unwinder fails while with the jit unwinder, it succeeds.
- GDB crashes after unloading the JIT reader, and flushing frames...
I made the testcase use the "flushregs" command after unloading the
JIT reader, to force the JIT frames to be flushed. However, that
crashes GDB...
When reinit_frame_cache tears down a frame's cache, it calls its
unwinder's dealloc_cache method, which for JIT frames ends up in
jit.c:jit_dealloc_cache. This function calls each of the frame's
gdb_reg_value's "free" pointer:
for (i = 0; i < gdbarch_num_regs (frame_arch); i++)
if (priv_data->registers[i] && priv_data->registers[i]->free)
priv_data->registers[i]->free (priv_data->registers[i]);
and the problem is these gdb_reg_value instances have been returned
by the JIT reader that has been already unloaded, and their "free"
function pointers likely point to functions in the DSO that has
already been unloaded...
A fix for that could be to call reinit_frame_cache in
jit_reader_unload_command _before_ unloading the jit reader DSO so
that the jit reader is given a chance to clean up the gdb_reg_values
before it is unloaded. However, the fix for the point below makes
this unnecessary, because it stops jit.c from keeping around
gdb_reg_values in the first place.
- However, it still makes sense to clear the frame cache when loading
or unloading a JIT unwinder.
This makes testing a JIT unwinder a bit simpler.
- Not only the frame cache actually -- gdb is not unloading the
jit-registered objfiles when the JIT reader is unloaded, and not
loading the already-registered descriptors when a JIT reader is
loaded.
The new test exercises unloading the jit reader, loading it back
again, and then making sure the JIT reader's unwinder works again.
Without the unload/re-load of already-read descriptors, the newly
loaded JIT would have no idea where the new function is, because
it's stored at symbol read time.
- I added a couple "info frame" calls to the test, and that
crashes GDB...
The problem is that jit_frame_prev_register assumes it'll only be
called for raw registers, so when it gets a pseudo register number,
the "priv->registers[reg]" access is really an out-of-bounds access.
To fix that, I made jit_frame_prev_register use
gdbarch_pseudo_register_read_value for reading the pseudo-registers.
However, that works with a regcache and we don't have one. To fix
that, I made the JIT unwinder store a regcache in its cache instead
of an array of gdb_reg_value pointers.
gdb/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
Tom Tromey <tom@tromey.com>
* jit.c (jit_reader_load_command): Call reinit_frame_cache and
jit_inferior_created_hook.
(jit_reader_unload_command): Call reinit_frame_cache and
jit_inferior_exit_hook.
* jit.c (struct jit_unwind_private) <registers>: Delete field.
<regcache>: New field.
(jit_unwind_reg_set_impl): Set the register's value in the
regcache. Free the passed-in gdb_reg_value.
(jit_dealloc_cache): Adjust to free the regcache.
(jit_frame_sniffer): Allocate a regcache instead of an array of
gdb_reg_value pointers.
(jit_frame_this_id): Adjust.
(jit_frame_prev_register): Read raw registers off of the regcache
instead of from the gdb_reg_value pointer array. Use
gdbarch_pseudo_register_read_value to read pseudo registers.
* regcache.c (regcache_raw_set_cached_value): New function,
factored out from ...
(regcache_raw_write): ... here.
* regcache.h (regcache_raw_set_cached_value): Declare.
gdb/testsuite/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
* gdb.base/jit-reader.exp (info_registers_current_frame): New
procedure.
(jit_reader_test): Test the jit reader's unwinder.
* gdb.base/jithost.c (jit_function_00_code): New global.
(main): Use memcpy to fill in the mmapped code, instead of poking
bytes manually here.
* gdb.base/jitreader.c (enum register_mapping) <AMD64_RBP>: New
value.
(read_debug_info): Save the function's range.
(read_sp): New function.
(unwind_frame): Use it. Also unwind RBP.
(get_frame_id): Use read_sp.
(gdb_init_reader): Use calloc instead of malloc.
* lib/gdb.exp (get_hexadecimal_valueof): Add optional 'test'
parameter. Use gdb_test_multiple.
Pedro Alves [Fri, 1 Jul 2016 10:16:33 +0000 (11:16 +0100)]
Fix failure to detach if process exits while detaching on Linux
This commit fixes detaching on Linux when some thread exits the whole
thread group (process) just while we're detaching.
On Linux, a ptracer must detach from each LWP individually, with
PTRACE_DETACH. Since PTRACE_DETACH sets the thread running free, if
one of the already-detached threads causes the whole thread group to
exit (e.g., simply calls exit), the kernel force-kills the other
threads in the group, making them zombie, just as we're still
detaching them. Since PTRACE_DETACH against a zombie thread fails
with ESRCH, and gdb/gdbserver are not expecting this, the detach fails
with an error like: "Can't detach process: No such process.".
This patch detects this detach failure as normal, and instead of
erroring out, reaps the now-dead thread.
New test included, that exercises several different scenarios that
cause GDB/GDBserver to error out when it should not.
Tested on x86-64 GNU/Linux with {unix, native-gdbserver,
native-extended-gdbserver}
Note: without the previous fix, the "single-process + continue"
variant of the new test would fail with:
(gdb) PASS: gdb.threads/process-dies-while-detaching.exp: single-process: continue: watchpoint: switch to parent
continue
Continuing.
Warning:
Could not insert hardware watchpoint 3.
Could not insert hardware breakpoints:
You may have requested too many hardware breakpoints/watchpoints.
Command aborted.
(gdb) FAIL: gdb.threads/process-dies-while-detaching.exp: single-process: continue: watchpoint: continue
gdb/gdbserver/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
Antoine Tremblay <antoine.tremblay@ericsson.com>
* linux-low.c: Change interface to take the target lwp_info
pointer directly and return void. Handle detaching from a zombie
thread.
(linux_detach_lwp_callback): New function.
(linux_detach): Detach from the leader thread after detaching from
the clone threads.
gdb/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
Antoine Tremblay <antoine.tremblay@ericsson.com>
* inf-ptrace.c (inf_ptrace_detach_success): New function, factored
out from ...
(inf_ptrace_detach): ... here.
* inf-ptrace.h (inf_ptrace_detach_success): New declaration.
* linux-nat.c (get_pending_status): Rename to ...
(get_detach_signal): ... this, and return a host signal instead of
filling in a wait status.
(detach_one_lwp): New function, factored out from detach_callback
and adjusted to handle detaching from a zombie thread.
(detach_callback): Skip the leader thread.
(linux_nat_detach): No longer defer to inf_ptrace_detach to detach
the leader thread, nor build a signal string to pass down.
Instead, use target_announce_detach, detach_one_lwp and
inf_ptrace_detach_success.
gdb/testsuite/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
Antoine Tremblay <antoine.tremblay@ericsson.com>
* gdb.threads/process-dies-while-detaching.c: New file.
* gdb.threads/process-dies-while-detaching.exp: New file.
Pedro Alves [Fri, 1 Jul 2016 10:16:32 +0000 (11:16 +0100)]
Forget watchpoint locations when inferior exits or is killed/detached
If you have two inferiors (or more), set watchpoints in one of the
inferiors, and then that inferior exits, until you manually delete the
watchpoint (or something forces a breakpoint re-set), you can't resume
the other inferior.
This is exercised by the test added by this commit. Without the GDB
fix, this test fails like this:
FAIL: gdb.multi/watchpoint-multi-exit.exp: dispose=kill: continue to marker in inferior 1
FAIL: gdb.multi/watchpoint-multi-exit.exp: dispose=detach: continue to marker in inferior 1
FAIL: gdb.multi/watchpoint-multi-exit.exp: dispose=exit: continue to marker in inferior 1
and gdb.log shows (in all three cases):
(gdb) continue
Continuing.
Warning:
Could not insert hardware watchpoint 2.
Could not insert hardware breakpoints:
You may have requested too many hardware breakpoints/watchpoints.
Command aborted.
(gdb) FAIL: gdb.multi/watchpoint-multi-exit.exp: dispose=kill: continue to marker in inferior 1
The problem is that GDB doesn't forget about the locations of
watchpoints set in the inferior that is now dead. When we try to
continue the inferior that is still alive, we reach
insert_breakpoint_locations, which has the the loop that triggers the
error:
/* If we failed to insert all locations of a watchpoint, remove
them, as half-inserted watchpoint is of limited use. */
That loop finds locations that are not marked inserted, but which
according to should_be_inserted should have been inserted, and so
errors out.
gdb/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
* breakpoint.c (breakpoint_init_inferior): Discard watchpoint
locations.
* infcmd.c (detach_command): Call breakpoint_init_inferior.
gdb/testsuite/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
* gdb.multi/watchpoint-multi-exit.c: New file.
* gdb.multi/watchpoint-multi-exit.exp: New file.
Pedro Alves [Fri, 1 Jul 2016 10:16:32 +0000 (11:16 +0100)]
Factor out "Detaching from program" message printing
Several targets have a copy of the same code that prints
"Detaching from program ..."
in their target_detach implementation. Factor that out to a common
function.
(For now, I left the couple targets that print this a bit differently
alone. Maybe this could be further pulled out into infcmd.c. If we
did that, and those targets want to continue printing differently,
this new function could be converted to a target method.)
gdb/ChangeLog:
2016-07-01 Pedro Alves <palves@redhat.com>
* darwin-nat.c (darwin_detach): Use target_announce_detach.
* inf-ptrace.c (inf_ptrace_detach): Likewise.
* nto-procfs.c (procfs_detach): Likewise.
* remote.c (remote_detach_1): Likewise.
* target.c (target_announce_detach): New function.
* target.h (target_announce_detach): New declaration.
Pedro Alves [Fri, 1 Jul 2016 10:24:21 +0000 (11:24 +0100)]
Fix formatting of some previous gdb/testsuite/ChangeLog entries
Pedro Alves [Fri, 1 Jul 2016 10:17:58 +0000 (11:17 +0100)]
Fix formatting of some previous gdb/ChangeLog entries
Nick Clifton [Fri, 1 Jul 2016 09:32:45 +0000 (10:32 +0100)]
Expect the objcopy without global symbols test to fail for ARM and AArch64 targets.
* testsuite/binutils-all/objcopy.exp
(objcopy_test_without_global_symbol): Expect this test to fail on
the AArch64 and ARM targets, since they preserve their mapping
symbols.
Jan Beulich [Fri, 1 Jul 2016 09:17:30 +0000 (11:17 +0200)]
x86-64/MPX: relax no-RIP-relative-addressing testcase
... for COFF targets.
Tristan Gingold [Fri, 1 Jul 2016 08:57:46 +0000 (10:57 +0200)]
Add marker for 2.27 branch.
binutils/
2016-07-01 Tristan Gingold <gingold@adacore.com>
* NEWS: Add marker for 2.27.
gas/
2016-07-01 Tristan Gingold <gingold@adacore.com>
* NEWS: Add marker for 2.27.
ld/
2016-07-01 Tristan Gingold <gingold@adacore.com>
* NEWS: Add marker for 2.27.
Tristan Gingold [Wed, 29 Jun 2016 10:09:06 +0000 (12:09 +0200)]
Fix mis-placement in binutils.texi
binutils/
* doc/binutils.texi (objdump): Fix mis-placement.
Jan Beulich [Fri, 1 Jul 2016 07:07:15 +0000 (09:07 +0200)]
x86-64/MPX: bndmk, bndldx, and bndstx don't allow RIP-relative addressing
Additionally warn about scaling factors other than 1 for the latter
two, as those get ignored by the hardware.
Jan Beulich [Fri, 1 Jul 2016 07:06:16 +0000 (09:06 +0200)]
x86/MPX: fix address size handling
While address overrides are ignored in 64-bit mode (and hence shouldn't
really result in an error, but upon v1 converting this to a warning I
was told otherwise), trying to use 16-bit addressing is documented to
result in #UD, and hence the assembler should reject the attempt. (The
added test case at once also checks that bndc{l,n,u} won't accept
16-bit register operands.)
Jan Beulich [Fri, 1 Jul 2016 07:03:02 +0000 (09:03 +0200)]
x86/Intel: don't accept bogus instructions
... due to their last byte looking like a suffix, when after its
stripping a matching instruction can be found. Since memory operand
size specifiers in Intel mode get converted into suffix representation
internally, we need to keep track of the actual mnemonic suffix which
may have got trimmed off, and check its validity while looking for a
matching template. I tripper over this quite some time again after
support for AMD's SSE5 instructions got removed, as at that point some
of the SSE5 mnemonics, other than expected, didn't fail to assemble.
But the problem affects many more instructions, namely (almost) all
MMX, SSE, and AVX ones as it looks. I don't think it makes sense to
add a testcase covering all of them, nor do I think it makes sense to
pick out some random examples for a new test case.
Jan Beulich [Fri, 1 Jul 2016 07:01:41 +0000 (09:01 +0200)]
x86: allow suffix-less movzw and 64-bit movzb
... just like is already the case for 16- and 32-bit movzb: I can't see
why omitting suffixes on this (and movs{b,w,l}) is not allowed, when it
is allowed for all other instructions where the suffix is redundant
with (one of) the operands.
Jan Beulich [Fri, 1 Jul 2016 06:57:21 +0000 (08:57 +0200)]
x86: remove stray instruction attributes
- with Cpu64 Disp16 makes no sense for memory operands
- with CpuNo64 Disp32S makes no sense
- non-64-bit lgdt doesn't allow 10-byte operands
Jan Beulich [Fri, 1 Jul 2016 06:56:13 +0000 (08:56 +0200)]
x86/Intel: fix operand checking for MOVSD
The dual purpose mnemonic (string move vs scalar double move) breaks
the assumption that the isstring flag would be set on both the first
and last entry in the current set of templates, which results in bogus
or missing diagnostics for the string move variant of the mnemonic.
Short of mostly rewriting i386_index_check() and its interaction with
the rest of the code, simply shrink the template set to just string
instructions when encountering the second memory operand, and run
i386_index_check() a second time for the first memory operand after
that reduction.
GDB Administrator [Fri, 1 Jul 2016 00:00:22 +0000 (00:00 +0000)]
Automatic date update in version.in
Maciej W. Rozycki [Thu, 30 Jun 2016 20:49:54 +0000 (21:49 +0100)]
MIPS/GAS: Fix a comment typo in `get_append_method'
gas/
* config/tc-mips.c (get_append_method): Fix a comment typo.
Andrew Burgess [Thu, 30 Jun 2016 15:53:20 +0000 (16:53 +0100)]
ChangeLog entry for the --with-cpu patch for ARC configuration.
Yao Qi [Thu, 30 Jun 2016 15:03:07 +0000 (16:03 +0100)]
Fix typo in comment
This patch fixes the typo "uf" in the comment. I'll push it in as the
change is obvious.
2016-06-30 Yao Qi <yao.qi@linaro.org>
* arm-dis.c (print_insn): Fix typo in comment.
Matthew Fortune [Thu, 30 Jun 2016 14:02:20 +0000 (15:02 +0100)]
MIPS16/GAS: Fix delay slot filling across frags
Fix an assertion failure like:
test.s: Assembler messages:
test.s:3: Internal error!
Assertion failure in append_insn at .../gas/config/tc-mips.c:7523.
Please report this bug.
triggered by assembling MIPS16 code like:
hello:
addiu $4, $4, 4
jr $31
with the generation of a listing file enabled, e.g.:
$ as -mips16 -O2 -aln=test.lst
The cause of the problem is the lack of support for moving instructions
across frags in MIPS16 jump swapping, which triggers more easily with
listing enabled as in that case every instruction gets placed in its own
frag. It would trigger even with listing disabled though if the
instruction to swap a MIPS16 jump with was unfortunately enough placed
as last in a frag that became full.
This scenario is already handled correctly with branch swapping in
regular MIPS and microMIPS code, so reuse it for MIPS16 code as well,
and now that all MIPS16 handling has become the same as the regular MIPS
and microMIPS cases remove MIPS16 special casing altogether.
This effectively complements:
commit
464ab0e55ade01d2bb0b4fa45c429af7a2f85a26
Author: Maciej W. Rozycki <macro@linux-mips.org>
Date: Mon Aug 6 20:33:00 2012 +0000
<https://sourceware.org/ml/binutils/2012-08/msg00043.html>, ("MIPS/GAS:
Correct microMIPS branch swapping assertion") for the MIPS16 case.
The assertion itself was introduced with:
commit
1e91584932efd70020c8c98037d0cb93a0552a20
Author: Richard Sandiford <rdsandiford@googlemail.com>
Date: Wed Mar 9 09:17:02 2005 +0000
<https://sourceware.org/ml/binutils/2005-03/msg00217.html>, ("Rework
MIPS nop-insertion code, add -mfix-vr4130 [5/11]"), but its introduction
merely noted our existing lack of support for MIPS16 jump swapping
across frags.
gas/
* config/tc-mips.c (append_insn) <APPEND_SWAP>: Do not special
case MIPS16 handling.
* testsuite/gas/mips/branch-swap-3.d: New test.
* testsuite/gas/mips/branch-swap-4.d: New test.
* testsuite/gas/mips/mips16@branch-swap-3.d: New test.
* testsuite/gas/mips/mips16@branch-swap-4.d: New test.
* testsuite/gas/mips/micromips@branch-swap-3.d: New test.
* testsuite/gas/mips/micromips@branch-swap-4.d: New test.
* testsuite/gas/mips/branch-swap-3.s: New test source.
* testsuite/gas/mips/mips.exp: Run the new tests.
Maciej W. Rozycki [Thu, 30 Jun 2016 11:46:47 +0000 (12:46 +0100)]
MIPS/GAS: Simplify non-MIPS16 branch swapping sequence
Simplify non-MIPS16 branch swapping by copying the MIPS16 variant, which
sets the new position for the current instruction first and reduces the
calculation of the new position of the previous instruction. Also refer
to previous instruction's frag and position via `delay' for consistency.
Reintroduce an explanatory comment, updated, previously removed with:
commit
1e91584932efd70020c8c98037d0cb93a0552a20
Author: Richard Sandiford <rdsandiford@googlemail.com>
Date: Wed Mar 9 09:17:02 2005 +0000
<https://sourceware.org/ml/binutils/2005-03/msg00217.html>, ("Rework
MIPS nop-insertion code, add -mfix-vr4130 [5/11]").
gas/
* config/tc-mips.c (append_insn): Simplify non-MIPS16 branch
swapping sequence.
Maciej W. Rozycki [Wed, 29 Jun 2016 00:38:50 +0000 (01:38 +0100)]
PR gas/20312: Do not pad sections to alignment on failed assembly
Correct a regression from commit
85024cd8bcb9 ("Run write_object_file
after errors") causing unsuccessful assembly, which may be due to any
reason, such as supplying a valid source like this:
.text
.byte 0
.err
to terminate with an assertion failure like:
test.s: Assembler messages:
test.s:3: Error: .err encountered
../as-new: BFD (GNU Binutils) 2.24.51.
20140628 internal error, aborting at .../gas/write.c line 608 in size_seg
../as-new: Please report this bug.
on targets whose default text section alignment is above 0, typically
RISC machines.
This is due to an attempt to set last text section's frag alignment to
0, requested from `subsegs_finish_section' where `frag_align_code
(alignment, 0)' is called with `alignment' set to 0 rather than the
section alignment if `had_errors' has returned true. The call to
`subsegs_finish_section' is made from `subsegs_finish' from
`write_object_file' at unsuccessful completion, which previously wasn't
made.
Always set last section's frag alignment from the section alignment
then, forcing no section padding instead if completing unsuccessfully,
so that in that case alignment padding is still suppressed from any
listing generated, fixing assertion failures for these targets:
alpha-linuxecoff -FAIL: all pr20312
arm-aout -FAIL: all pr20312
mips-freebsd -FAIL: all pr20312
mips-img-linux -FAIL: all pr20312
mips-linux -FAIL: all pr20312
mips-mti-linux -FAIL: all pr20312
mips-netbsd -FAIL: all pr20312
mips-sgi-irix5 -FAIL: all pr20312
mips-sgi-irix6 -FAIL: all pr20312
mips-vxworks -FAIL: all pr20312
mips64-freebsd -FAIL: all pr20312
mips64-img-linux -FAIL: all pr20312
mips64-linux -FAIL: all pr20312
mips64-mti-linux -FAIL: all pr20312
mips64-openbsd -FAIL: all pr20312
mips64el-freebsd -FAIL: all pr20312
mips64el-img-linux -FAIL: all pr20312
mips64el-linux -FAIL: all pr20312
mips64el-mti-linux -FAIL: all pr20312
mips64el-openbsd -FAIL: all pr20312
mipsel-freebsd -FAIL: all pr20312
mipsel-img-linux -FAIL: all pr20312
mipsel-linux -FAIL: all pr20312
mipsel-mti-linux -FAIL: all pr20312
mipsel-netbsd -FAIL: all pr20312
mipsel-vxworks -FAIL: all pr20312
mipsisa32-linux -FAIL: all pr20312
mipsisa32el-linux -FAIL: all pr20312
mipsisa64-linux -FAIL: all pr20312
mipsisa64el-linux -FAIL: all pr20312
sh-pe -FAIL: all pr20312
sparc-aout -FAIL: all pr20312
gas/
PR gas/20312
* write.c (subsegs_finish_section): Force no section padding to
alignment on failed assembly, always set last frag's alignment
from section.
* testsuite/gas/all/pr20312.l: New list test.
* testsuite/gas/all/pr20312.s: New test source.
* testsuite/gas/all/gas.exp: Run the new test
Pedro Alves [Thu, 30 Jun 2016 10:55:22 +0000 (11:55 +0100)]
Fix gdbserver/MI testing regression
Commit
51f77c3704a6 ("Add testing infrastruture bits for running with
MI on a separate UI") broke MI testing with native-gdbserver:
$ make check RUNTESTFLAGS="--target_board=native-gdbserver mi-var-child.exp"
...
Running .../src/binutils-gdb/gdb/testsuite/gdb.mi/mi-var-child.exp ...
can't unset "inferior_spawn_id": no such variable
while executing
"unset inferior_spawn_id"
(procedure "close_gdbserver" line 20)
invoked from within
"close_gdbserver"
...
When testing with gdbserver, gdb_exit is overridden with a special
version that calls close_gdbserver, which clears inferior_spawn_id.
The problem is that the commit mentioned above made
gdb_exit/mi_gdb_exit clear inferior_spawn_id too, and clearing a
non-existing variable is a tcl error.
Since gdb_exit/mi_gdb_exit always clears inferior_spawn_id now, the
fix is simply to stop clearing it in close_gdbserver.
gdb/testsuite/
2016-06-30 Pedro Alves <palves@redhat.com>
* lib/gdbserver-support.exp (close_gdbserver, gdb_exit): Don't
unset inferior_spawn_id.
Pedro Alves [Thu, 30 Jun 2016 10:55:21 +0000 (11:55 +0100)]
Make testing gdb with FORCE_SEPARATE_MI_TTY=1 actually work
Runing the whole gdb testsuite with MI on a separate tty, with:
make check RUNTESTFLAGS="FORCE_SEPARATE_MI_TTY=1"
Doesn't actually work because commit
51f77c3704a6 ("Add testing
infrastruture bits for running with MI on a separate UI") included a
last-minute rename typo, now fixed with this commit.
gdb/testsuite/ChangeLog:
2016-06-30 Pedro Alves <palves@redhat.com>
* lib/mi-support.exp (default_mi_gdb_start): Declare global
FORCE_SEPARATE_MI_TTY, not SEPARATE_MI_TTY.
Andrew Burgess [Thu, 30 Jun 2016 10:14:41 +0000 (11:14 +0100)]
Allow ARC target to be configured with --with-cpu=<cpu-name>.
gas * config.in (TARGET_WITH_CPU): Undefine.
* configure.ac: Add --with-cpu support, and define in config.h.
* configure: Regenerate.
* config/tc-arc.c: Use TARGET_WITH_CPU to select default CPU.
* NEWS: Mention new configure option.
Matthew Wahab [Thu, 30 Jun 2016 09:46:51 +0000 (10:46 +0100)]
[ARM][GAS] ARMv8.2 should enable ARMv8.1 NEON instructions.
GAS fails to recognize march=armv8.2-a as a superset of march=armv8.1-a
when assembling NEON instructions. The patch corrects this, making
-march=armv8.2-a -mfpu=neon-fp-armv8 enable the NEON intructions
introduced with ARMv8.1-A.
include/
2016-06-30 Matthew Wahab <matthew.wahab@arm.com>
* opcode/arm.h (ARM_ARCH_V8_2a): Add FPU_NEON_EXT_RDMA to the set
of enabled FPU features.
gas/
2016-06-30 Matthew Wahab <matthew.wahab@arm.com>
* testsuite/gas/arm/armv8_2+rdma.d: New.
Jim Wilson [Thu, 30 Jun 2016 08:10:41 +0000 (09:10 +0100)]
Add support for simulating big-endian AArch64 binaries.
* cpustate.h: Include config.h.
(union GRegisterValue): Add WORDS_BIGENDIAN check. For big endian code
use anonymous structs to align members.
* simulator.c (aarch64_step): Use sim_core_read_buffer and
endian_le2h_4 to read instruction from pc.
Cary Coutant [Thu, 30 Jun 2016 06:24:35 +0000 (23:24 -0700)]
Fix gold testsuite failure with GCC 6.
With GCC 6 when not using -static-libstdc++, the operator delete(void*)
function is defined in the shared C++ support library, rather than in
the main program. The test script is too aggressive in checking for
this symbol's presence among the exported symbols. This patch removes
the check for that symbol.
gold/
PR gold/20310
* testsuite/dynamic_list.sh: Remove check for _ZdlPv.
Cary Coutant [Thu, 30 Jun 2016 06:16:24 +0000 (23:16 -0700)]
Update "make clean" in gold/testsuite.
gold/
* testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
* testsuite/Makefile.in: Regenerate.
Alan Modra [Wed, 29 Jun 2016 09:07:27 +0000 (18:37 +0930)]
[GOLD] Pass -Wl,-z to gcc, not plain -z
* testsuite/Makefile.am (memory_test, memory_test_2): Pass
-Wl,-z to gcc, not plain -z.
* testsuite/Makefile.in: Regenerate.
GDB Administrator [Thu, 30 Jun 2016 00:00:19 +0000 (00:00 +0000)]
Automatic date update in version.in
Yao Qi [Wed, 29 Jun 2016 16:33:19 +0000 (17:33 +0100)]
Add copyright header in gdb.base/return.c
gdb/testsuite:
2016-06-29 Yao Qi <yao.qi@linaro.org>
* gdb.base/return.c: Add copyright header.
H.J. Lu [Wed, 29 Jun 2016 16:29:39 +0000 (09:29 -0700)]
Default to --enable-compressed-debug-sections=gas for Linux/x86
--enable-compressed-debug-sections=gas added to binutils 2.26. Make it
default for Linux/x86 targets in 2.27.
* NEWS: Mention --enable-compressed-debug-sections=gas is the
default for Linux/x86 targets.
* configure.tgt (ac_default_compressed_debug_sections): Default
to yes for Linux/x86 targets.
Tom Tromey [Mon, 6 Jun 2016 17:21:15 +0000 (11:21 -0600)]
Fix PR python/20129 - use of non-existing variable
PR python/20129 concerns the error message one gets from a command
like "disable frame-filter global NoSuchFilter". Currently this
throws a second, unexpected, exception due to the use of a
non-existing variable named "name".
This patch adds regression tests and fixes a couple of spots to use
the correct variable name.
Built and regtested on x86-64 Fedora 23.
2016-06-29 Tom Tromey <tom@tromey.com>
PR python/20129:
* python/lib/gdb/command/frame_filters.py (_do_enable_frame_filter)
(SetFrameFilterPriority._set_filter_priority): Use "frame_filter",
not "name".
2016-06-29 Tom Tromey <tom@tromey.com>
PR python/20129:
* gdb.python/py-framefilter.exp: Add tests for setting priority
and disabling of non-existent frame filter.
Tom Tromey [Thu, 9 Jun 2016 15:46:53 +0000 (09:46 -0600)]
PR gdb/17210 - fix possible memory leak in read_memory_robust
PR gdb/17210 concerns a possible memory leak in read_memory_robust.
The bug can happen because read_memory_robust allocates memory, does
not install any cleanups, and invokes QUIT. Similarly, target_read
calls QUIT, so it too can potentially throw.
The fix is to install cleanups to guard the allocated memory.
Built and regtested on x86-64 Fedora 23. I couldn't think of a way to
test this, so no new test; and of course this means it should have
more careful review.
2016-06-29 Tom Tromey <tom@tromey.com>
PR gdb/17210:
* target.c (free_memory_read_result_vector): Take a pointer to the
VEC as an argument.
(read_memory_robust): Install a cleanup for "result".
* mi/mi-main.c (mi_cmd_data_read_memory_bytes): Update.
H.J. Lu [Wed, 29 Jun 2016 15:38:43 +0000 (08:38 -0700)]
gold: Support 386 TLS code sequences without PLT
There are extensions to 386 psABI:
https://groups.google.com/forum/#!topic/ia32-abi/awsRSvJOJfs
to call tls_get_addr via GOT:
call *___tls_get_addr@GOT(%reg)
where EBX register isn't required as GOT base.
Since direct call is 4-byte long and indirect call, is 5-byte long, the
extra one byte must be handled properly.
For general dynamic model, 7-byte lea instruction before call
instruction is replaced by 6-byte one to make room for indirect call.
For local dynamic model, we simply use 5-byte indirect call.
TLS linker optimization is updated to recognize new instruction
patterns. For local dynamic model to local exec model transition,
we generate a 6-byte lea instruction as nop, instead of a 1-byte nop
plus a 4-byte lea instruction.
PR gold/20308
* i386.cc (Target_i386::Relocate::relocate): Allow
R_386_GOT32X relocation against ___tls_get_addr.
(Target_i386::Relocate::tls_gd_to_ie): Support indirect
call to __tls_get_addr.
(Target_i386::Relocate::tls_gd_to_le): Likewise.
(Target_i386::Relocate::tls_ld_to_le): Likewise.
* testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
(pr20308a_test_SOURCES): New.
(pr20308a_test_DEPENDENCIES): Likewise.
(pr20308a_test_CFLAGS): Likewise.
(pr20308a_test_LDFLAGS): Likewise.
(pr20308a_test_LDADD): Likewise.
(pr20308b_test_SOURCES): Likewise.
(pr20308b_test_DEPENDENCIES): Likewise.
(pr20308b_test_CFLAGS): Likewise.
(pr20308b_test_LDFLAGS): Likewise.
(pr20308b_test_LDADD): Likewise.
(pr20308c_test_SOURCES): Likewise.
(pr20308c_test_DEPENDENCIES): Likewise.
(pr20308c_test_CFLAGS): Likewise.
(pr20308c_test_LDFLAGS): Likewise.
(pr20308c_test_LDADD): Likewise.
(pr20308d_test_SOURCES): Likewise.
(pr20308d_test_DEPENDENCIES): Likewise.
(pr20308d_test_CFLAGS): Likewise.
(pr20308d_test_LDFLAGS): Likewise.
(pr20308d_test_LDADD): Likewise.
(pr20308e_test_SOURCES): Likewise.
(pr20308e_test_DEPENDENCIES): Likewise.
(pr20308e_test_CFLAGS): Likewise.
(pr20308e_test_LDFLAGS): Likewise.
(pr20308e_test_LDADD): Likewise.
(pr20308a.so): Likewise.
(pr20308b.so): Likewise.
(pr20308_gd.o): Likewise.
(pr20308_ld.o): Likewise.
(MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
* testsuite/Makefile.in: Regenerated.
* testsuite/pr20308_def.c: New file.
* testsuite/pr20308_gd.S: Likewise.
* testsuite/pr20308_ld.S: Likewise.
* testsuite/pr20308_main.c: Likewise.
H.J. Lu [Wed, 29 Jun 2016 15:37:30 +0000 (08:37 -0700)]
gold: Support x86-64 TLS code sequences without PLT
There are extensions to x86-64 psABI:
https://groups.google.com/forum/#!topic/x86-64-abi/de5_KnLHxtI
to call tls_get_addr via GOT:
call *__tls_get_addr@GOTPCREL(%rip)
Since direct call is 4-byte long and indirect call, is 5-byte long, the
extra one byte must be handled properly.
For general dynamic model, one 0x66 prefix before call instruction is
removed to make room for indirect call. For local dynamic model, we
simply use 5-byte indirect call.
TLS linker optimization is updated to recognize new instruction
patterns. For local dynamic model to local exec model transition, we
generate 4 0x66 prefixes, instead of 3, before mov instruction in 64-bit
and generate a 5-byte nop, instead of 4-byte, before mov instruction in
32-bit.
PR gold/20216
* configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
AM_CONDITIONAL.
* configure: Regenerated.
* x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
R_X86_64_GOTPCRELX relocation against __tls_get_addr.
(Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
call to __tls_get_addr.
(Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
(Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
* testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
(pr20216a_test_SOURCES): New.
(pr20216a_test_DEPENDENCIES): Likewise.
(pr20216a_test_CFLAGS): Likewise.
(pr20216a_test_LDFLAGS): Likewise.
(pr20216a_test_LDADD): Likewise.
(pr20216b_test_SOURCES): Likewise.
(pr20216b_test_DEPENDENCIES): Likewise.
(pr20216b_test_CFLAGS): Likewise.
(pr20216b_test_LDFLAGS): Likewise.
(pr20216b_test_LDADD): Likewise.
(pr20216c_test_SOURCES): Likewise.
(pr20216c_test_DEPENDENCIES): Likewise.
(pr20216c_test_CFLAGS): Likewise.
(pr20216c_test_LDFLAGS): Likewise.
(pr20216c_test_LDADD): Likewise.
(pr20216d_test_SOURCES): Likewise.
(pr20216d_test_DEPENDENCIES): Likewise.
(pr20216d_test_CFLAGS): Likewise.
(pr20216d_test_LDFLAGS): Likewise.
(pr20216d_test_LDADD): Likewise.
(pr20216e_test_SOURCES): Likewise.
(pr20216e_test_DEPENDENCIES): Likewise.
(pr20216e_test_CFLAGS): Likewise.
(pr20216e_test_LDFLAGS): Likewise.
(pr20216e_test_LDADD): Likewise.
(pr20216a.so): Likewise.
(pr20216b.so): Likewise.
(pr20216_gd.o): Likewise.
(pr20216_ld.o): Likewise.
(MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
* testsuite/Makefile.in: Regenerated.
* testsuite/pr20216_def.c: New file.
* testsuite/pr20216_gd.S: Likewise.
* testsuite/pr20216_ld.S: Likewise.
* testsuite/pr20216_main.c: Likewise.
Manish Goregaokar [Wed, 29 Jun 2016 11:39:43 +0000 (17:09 +0530)]
Initialize strtok_r's saveptr to NULL
Building gdb with --enable-build-with-cxx=no trips on a warning:
../../binutils-gdb/gdb/rust-lang.c:173:15: error: saveptr may be used
uninitialized in this function [-Werror=maybe-uninitialized]
ret.name = concat (TYPE_NAME (type), "::", token, (char *) NULL);
The problem is that gcc doesn't understand that "tail" can never be
NULL in the call to strtok_r:
name = xstrdup (TYPE_FIELD_NAME (type, 0));
cleanup = make_cleanup (xfree, name);
tail = name + strlen (RUST_ENUM_PREFIX);
...
for (token = strtok_r (tail, "$", &saveptr);
Fix this by always initializing saveptr.
2016-06-29 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_get_disr_info): Initialize saveptr to NULL.
Yao Qi [Wed, 29 Jun 2016 13:51:41 +0000 (14:51 +0100)]
Set unknown_syscall differently on arm linux
Currently, we use
123456789 as unknown or illegal syscall number, and
expect program return ENOSYS. Although
123456789 is an illegal syscall
number on arm linux, kernel sends SIGILL rather than returns -ENOSYS.
However, arm linux kernel returns -ENOSYS if syscall number is within
0xf0001..0xf07ff, so we can use 0xf07ff for unknown_syscall in test.
gdb/testsuite:
2016-06-29 Yao Qi <yao.qi@linaro.org>
* gdb.base/catch-syscall.c [__arm__]: Set unknown_syscall to
0x0f07ff.
Trevor Saunders [Fri, 27 May 2016 08:52:45 +0000 (04:52 -0400)]
sparc: make SPARC_OPCODE_ARCH_MAX part of its enum
include/ChangeLog:
2016-06-29 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
* opcode/sparc.h (enum sparc_opcode_arch_val): Move
SPARC_OPCODE_ARCH_MAX into the enum.
Manish Goregaokar [Wed, 29 Jun 2016 10:12:28 +0000 (15:42 +0530)]
Use strtok_r instead of strsep in rust_get_disr_info
strsep doesn't exist on Windows.
2016-06-29 Manish Goregaokar <manish@mozilla.com>
gdb/ChangeLog:
* rust-lang.c (rust_get_disr_info): Use strtok_r instead of strsep.
Nick Clifton [Wed, 29 Jun 2016 10:17:40 +0000 (11:17 +0100)]
Preserve all mapping symbols in ARM and AArch64 object files.
bfd * elfnn-aarch64.c (is_aarch64_mapping_symbol): New function.
Returns TRUE for AArch64 mapping symbols.
(elfNN_aarch64_backend_symbol_processing): New function. Marks
mapping symbols as precious in object files so that they will not
be stripped.
(elf_backend_symbol_processing): Define.
* elf32-arm.c (is_arm_mapping_symbol): New function. Returns TRUE
for ARM mapping symbols.
(elf32_arm_backend_symbol_processing): Make use of the new function.
Nick Clifton [Wed, 29 Jun 2016 08:09:03 +0000 (09:09 +0100)]
Correct fix for typo
Nick Clifton [Wed, 29 Jun 2016 08:06:55 +0000 (09:06 +0100)]
Fix typo
Maciej W. Rozycki [Tue, 28 Jun 2016 16:33:38 +0000 (17:33 +0100)]
GAS: Fix `abort' expansion in write.c
Remove an internal diagnostic regression introduced with the inclusion of
"libbfd.h" from write.c, added with:
commit
e7ff5c732e7b95aafccd0910ea1a5cb8251a1033
Author: Alan Modra <amodra@gmail.com>
Date: Fri Feb 16 03:40:17 2007 +0000
That change made "libbfd.h" override the `abort' definition provided by
"as.h" earlier on, making the message produced by any calls reached from
write.c, which is a part of the GAS proper, look like they came from
BFD, e.g.:
.../gas/testsuite/gas/elf/type.s: Assembler messages:
.../gas/testsuite/gas/elf/type.s:30: Error: symbol type "gnu_unique_object" is supported only by GNU targets
../as-new: BFD (GNU Binutils) 2.26.51.
20160628 internal error, aborting at .../gas/write.c:608 in size_seg
../as-new: Please report this bug.
vs:
.../gas/testsuite/gas/elf/type.s: Assembler messages:
.../gas/testsuite/gas/elf/type.s:30: Error: symbol type "gnu_unique_object" is supported only by GNU targets
.../gas/testsuite/gas/elf/type.s: Internal error, aborting at .../gas/write.c:602 in size_seg
Please report this bug.
With the removal of "libbfd.h" restore the latter message format.
gas/
* write.c: Remove "libbfd.h" inclusion.
GDB Administrator [Wed, 29 Jun 2016 00:00:26 +0000 (00:00 +0000)]
Automatic date update in version.in
Alan Modra [Tue, 28 Jun 2016 22:30:58 +0000 (08:00 +0930)]
[GOLD] Modify script_test_12
Changes necessary to make this test pass on powerpc64.
* script_test_12.t: Delete .plt, specify 64k page size.
* script_test_12i.t: Likewise.
Alan Modra [Tue, 28 Jun 2016 22:30:15 +0000 (08:00 +0930)]
[GOLD] alignment test
PowerPC gcc aligns char arrays to a word which results in the test
failing since it expects a char alignment. As the test already uses
gcc attributes to assign variables to sections, we may as well use an
attribute to align too.
* testsuite/plugin_layout_with_alignment.c: Explicitly align all
variables.
Alan Modra [Tue, 28 Jun 2016 22:29:34 +0000 (07:59 +0930)]
[GOLD] Disable copy_test_protected on powerpc
A target like powerpc64 that is PIC by default doesn't need copy relocs.
* testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
* testsuite/Makefile.in: Regenerate.
Cary Coutant [Tue, 28 Jun 2016 22:44:22 +0000 (15:44 -0700)]
Fix execute permission on gold/testsuite/script_test_14.sh.
Igor Kudrin [Tue, 28 Jun 2016 22:43:43 +0000 (15:43 -0700)]
Implement the R_AARCH64_NONE relocation.
According to "ELF for the ARM(r) 64-bit Architecture (AArch64)",
this relocation can be used "to prevent removal of sections that
might otherwise appear to be unused."
gold/
* aarch64-reloc.def (NONE): New relocation.
* aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
(Target_aarch64::Scan::global): Likewise.
* testsuite/Makefile.am (aarch64_reloc_none): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/aarch64_reloc_none.s: New test source file.
* testsuite/aarch64_reloc_none.sh: New test script.
Sriraman Tallam [Tue, 28 Jun 2016 22:42:33 +0000 (15:42 -0700)]
Convert indirect calls to direct when possible.
Please see patch discussion:
https://www.sourceware.org/ml/binutils/2016-05/msg00322.html
2016-06-28 Sriraman Tallam <tmsriram@google.com>
* x86_64.cc (Lazy_view): New class.
(can_convert_mov_to_lea): Templatize function. Make the function
check for appropriate relocation types and use the view parameter
to get section contents.
(can_convert_callq_to_direct): New function.
(Target_x86_64<size>::Scan::global): Refactor.
(Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
call via GOT that can be converted.
* testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/x86_64_indirect_call_to_direct1.s: New file.
* testsuite/x86_64_indirect_jump_to_direct1.s: New file.
Igor Kudrin [Tue, 28 Jun 2016 22:34:11 +0000 (15:34 -0700)]
Implement SORT_BY_INIT_PRIORITY.
2016-06-28 Igor Kudrin <ikudrin@accesssoftek.com>
gold/
PR gold/18098
* script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
* script-sections.cc (Input_section_sorter::get_init_priority): New method.
(Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
(Output_section_element_input::print): Likewise.
* script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
* yyscript.y (SORT_BY_INIT_PRIORITY): New token.
(wildcard_section): Handle SORT_BY_INIT_PRIORITY.
* testsuite/Makefile.am (script_test_14): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/script_test_14.s: New test source file.
* testsuite/script_test_14.sh: New test script.
* testsuite/script_test_14.t: New test linker script.
Igor Kudrin [Tue, 28 Jun 2016 20:56:05 +0000 (13:56 -0700)]
Implement SORT_BY_INIT_PRIORITY.
2016-06-28 Igor Kudrin <ikudrin@accesssoftek.com>
gold/
PR gold/18098
* script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
* script-sections.cc (Input_section_sorter::get_init_priority): New method.
(Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
(Output_section_element_input::print): Likewise.
* script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
* yyscript.y (SORT_BY_INIT_PRIORITY): New token.
(wildcard_section): Handle SORT_BY_INIT_PRIORITY.
* testsuite/Makefile.am (script_test_14): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/script_test_14.s: New test source file.
* testsuite/script_test_14.sh: New test script.
* testsuite/script_test_14.t: New test linker script.
Walter Lee [Tue, 28 Jun 2016 18:15:32 +0000 (14:15 -0400)]
[TILEPro] Don't build gdb
In configure.ac, add gdb to noconfigdirs for TILEPro.
* configure.ac (tilepro-*-*): Add gdb to noconfigdirs.
* configure: Regenerate.
Yao Qi [Tue, 28 Jun 2016 16:24:25 +0000 (17:24 +0100)]
[AArch64] Use int64_t for address offset
In AArch64 displaced stepping and fast tracepoint, GDB/GDBserver needs
to check whether the offset can fit in the range. We are using int32_t
for offset, it is sufficient to get an offset from an instruction, but
it is not enough to get an offset from two addresses. For example,
we have a BL in shared lib which is at 0x0000002000040774, and the
scratch pad for displaced stepping is at 0x400698. The offset can't
fit in 28 bit imm. However, since we are using int32_t for offset, GDB
thinks the offset can fit it, and generate the B instruction with wrong
offset.
It fixes the following fail,
-FAIL: gdb.base/dso2dso.exp: next over call to sub2
gdb:
2016-06-28 Yao Qi <yao.qi@linaro.org>
* aarch64-tdep.c (aarch64_displaced_step_b): Use int64_t for
variable new_offset.
gdb/gdbserver:
2016-06-28 Yao Qi <yao.qi@linaro.org>
* linux-aarch64-low.c (aarch64_ftrace_insn_reloc_b): Use int64_t
for variable new_offset.
(aarch64_ftrace_insn_reloc_b_cond): Likewise.
(aarch64_ftrace_insn_reloc_cb): Likewise.
(aarch64_ftrace_insn_reloc_tb): Likewise.
(aarch64_install_fast_tracepoint_jump_pad): Likewise. Use
PRIx64 instead of PRIx32.
Nick Clifton [Tue, 28 Jun 2016 16:03:11 +0000 (17:03 +0100)]
Fix typo in previous commit
H.J. Lu [Tue, 28 Jun 2016 15:08:04 +0000 (08:08 -0700)]
Skip version check for unreferenced and undefined symbol
No need to check version if symbol is unreferenced and undefined.
bfd/
PR ld/20306
* elflink.c (elf_link_check_versioned_symbol): Return false
for unreferenced undefined symbol.
ld/testsuite/
* testsuite/ld-gc/gc.exp: Run pr20306 test.
* ld-gc/pr20306.c: New file.
* ld-gc/pr20306.d: Likewise.
Nick Clifton [Tue, 28 Jun 2016 14:55:22 +0000 (15:55 +0100)]
Fix more linker testsuite failures.
bfin * elf32-bfin.c (bfin_adjust_dynamic_symbol): Fail if a COPY reloc
is needed.
ld * testsuite/ld-elf/comm-data.exp: Expect comm-data2 test to fail
for bfin.
* testsuite/ld-elf/elf.exp: Expect pr14170 and symbolic function
tests to fail for bfin.
* testsuite/ld-elf/endsym.d: Expect to fail with cr16, crx, dlx,
nds32 and visium.
* testsuite/ld-elf/var1.d: Expect to fail with d30v, dlx, ft32 and
microblaze.
* testsuite/ld-pe/pe.exp: Expect foreign symbol test to fail for
mcore-pe.
Nick Clifton [Tue, 28 Jun 2016 13:05:34 +0000 (14:05 +0100)]
Relax previous restriction on running binutils ar tests for Alpha targets, allowing the tests to be run for ELF variants.
* testsuite/binutils-all/ar.exp: Relax previous restriction on
Alpha targets. Allow ELF based Alpha targets.
Maciej W. Rozycki [Tue, 28 Jun 2016 12:21:36 +0000 (13:21 +0100)]
Use `supports_gnu_unique' with the `unique_symbol' and `type' tests
Complement commit
a43942db49b0 ("LD/ELF: Unify STB_GNU_UNIQUE handling")
and use `supports_gnu_unique' with the `unique_symbol' and `type' tests,
fixing failures like:
.../binutils/testsuite/binutils-all/unique.s: Assembler messages:
.../binutils/testsuite/binutils-all/unique.s:2: Error: symbol type "gnu_unique_object" is supported only by GNU targets
ERROR: .../binutils/testsuite/binutils-all/unique.s: assembly failed
UNRESOLVED: ar unique symbol in archive
.../binutils/ar -s -r -c tmpdir/artest.a tmpdir/unique.o
Executing on host: .../binutils/ar -s -r -c tmpdir/artest.a tmpdir/unique.o (timeout = 300)
.../binutils/ar: tmpdir/unique.o: No such file or directory
FAIL: ar unique symbol in archive
and:
.../gas/testsuite/gas/elf/type.s: Assembler messages:
.../gas/testsuite/gas/elf/type.s:30: Error: symbol type "gnu_unique_object" is supported only by GNU targets
../as-new: BFD (GNU Binutils) 2.26.51.
20160628 internal error, aborting at .../gas/write.c:608 in size_seg
../as-new: Please report this bug.
.../gas/testsuite/../../binutils/readelf -s dump.o | grep "1 *\[FIONTCU\]" > dump.out
Executing on host: sh -c {.../gas/testsuite/../../binutils/readelf -s dump.o >readelf.out 2>gas.stderr} /dev/null (timeout = 300)
readelf: Error: dump.o: Failed to read file's magic number
FAIL: elf type list
on MIPS/FreeBSD targets:
mips-freebsd -FAIL: ar unique symbol in archive
mips-freebsd -FAIL: elf type list
mips64-freebsd -FAIL: ar unique symbol in archive
mips64-freebsd -FAIL: elf type list
mips64el-freebsd -FAIL: ar unique symbol in archive
mips64el-freebsd -FAIL: elf type list
mipsel-freebsd -FAIL: ar unique symbol in archive
mipsel-freebsd -FAIL: elf type list
binutils/
* testsuite/binutils-all/ar.exp: Use `supports_gnu_unique' with
the `unique_symbol' test.
gas/
* testsuite/gas/elf/elf.exp: Use `supports_gnu_unique' with the
`type' test.