external/binutils.git
8 years agoWorkaround a C++ bug in GCC 4.2 in gold test
H.J. Lu [Wed, 9 Mar 2016 16:27:03 +0000 (08:27 -0800)]
Workaround a C++ bug in GCC 4.2 in gold test

G++ in GCC 4.2 silently ignores

---
__attribute__ ((section(".rodata.v1_a2")))
const short rodata_item1 = 101;
---

which leads to plugin_layout_with_alignment test failure with

Expected 12 sections, found 8 sections

since 4 .rodata sections are missing.  As a workaround, this patch
changes plugin_layout_with_alignment test from C++ to C.

* testsuite/plugin_layout_with_alignment.cc: Renamed to ..
* testsuite/plugin_layout_with_alignment.c: This.
* testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
(plugin_layout_with_alignment): Likewise.
* testsuite/Makefile.in: Regenerated.

8 years agoS390: Recognize special jumps in prologue parser
Andreas Arnez [Wed, 9 Mar 2016 16:12:29 +0000 (17:12 +0100)]
S390: Recognize special jumps in prologue parser

Functions compiled with the gcc option `-mhotpatch' may start with a
branch-never BRCL instruction as a 6-byte NOP.  And functions compiled
with `-mstack-size' contain a BRC instruction in their prologue that is
actually a conditional trap.  Both of these special jumps cause the
prologue parser to stop and yield bad unwinding results.

This change makes the prologue analyzer recognize such special jumps and
ignore them.

gdb/ChangeLog:

* s390-linux-tdep.c (s390_analyze_prologue): Ignore BRC and BRCL
instructions that do nothing or are conditional traps.

8 years agoS390: Add use of unavailable-stack frame ID
Andreas Arnez [Wed, 9 Mar 2016 16:12:29 +0000 (17:12 +0100)]
S390: Add use of unavailable-stack frame ID

When determining the frame ID of an inline frame, GDB currently asserts
that a valid ID of the underlying real frame is found, and that it does
not match outer_frame_id.  From inline_frame_this_id():

  /* For now, require we don't match outer_frame_id either (see
     comment above).  */
  gdb_assert (!frame_id_eq (*this_id, outer_frame_id));

However, this assertion may fail when the real frame's unwinder can not
determine the frame ID.  This happened on an s390x target with a binary
that lacked call frame information and also confused the prologue
analyzer, because then s390_frame_this_id() left the frame ID at its
default.

To fix this, this change enhances s390_frame_this_id such that an
unavailable-stack frame ID is built if no frame base can be determined
but the function address is available.

gdb/ChangeLog:

* s390-linux-tdep.c (s390_prologue_frame_unwind_cache): Store
frame func's PC in info->func before any other failure can occur.
(s390_frame_this_id): Use frame_id_build_unavailable_stack if
info->func has been filled out.

8 years agoAvoid spaces in osabi names
Pedro Alves [Wed, 9 Mar 2016 15:52:43 +0000 (15:52 +0000)]
Avoid spaces in osabi names

It's not possible today to select some of the osabis by name.
Specifically, those that have spaces in their names and then the first
word is ambiguous...

For example:
 (gdb) set osabi <TAB>
 [...]
 FreeBSD ELF
 FreeBSD a.out
 [...]
 (gdb) set osabi FreeBSD ELF
 Ambiguous item "FreeBSD ELF".

In reality, because "set osabi" is an enum command, that was
equivalent to trying "set osabi FreeBSD", which is then obviously
ambiguous, because of "FreeBSD ELF" and "FreeBSD a.out".

Also, even if the first word is not ambiguous, we actually ignore
whatever comes after the first word:

 (gdb) set osabi GNU/Linux
 (gdb) show osabi
 The current OS ABI is "GNU/Linux".
 The default OS ABI is "GNU/Linux".
 (gdb) set osabi Windows SomeNonsense
                         ^^^^^^^^^^^^
 (gdb) show osabi
 The current OS ABI is "Windows CE".
 The default OS ABI is "GNU/Linux".
 (gdb)

Fix this by avoiding spaces in osabi names.

We could instead make "set osabi" have a custom set hook, or
alternatively make the enum set hook (in cli-setshow.c) handle values
with spaces, but OTOH, I have a feeling that could cause trouble.
E.g., in cases where we might want to write more than one enum value
in the same line.  We could support quoting as workaround, but, not
sure we want that.  "No spaces" seems like a simpler rule.

gdb/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* osabi.c (gdb_osabi_names): Avoid spaces in osabi names.

8 years ago[FR-V] Handle FR300
Pedro Alves [Wed, 9 Mar 2016 15:46:31 +0000 (15:46 +0000)]
[FR-V] Handle FR300

Even though "set architecture" presents fr300 as option:

 (gdb) set architecture fr<TAB>
 fr300  fr400  fr450  fr500  fr550  frv

Actually selecting fr300 doesn't work:

 (gdb) set architecture fr300
 Architecture `fr300' not recognized.
 The target architecture is set automatically (currently i386)
 (gdb)

This just looks like an obvious oversight.  Looking around gcc and
binutils sources, FR300 is basically a FR500 specialized for DSP and
low power.

gdb/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* frv-tdep.c (frv_gdbarch_init): Handle bfd_mach_fr300.

8 years agoFix v850 bfd arch info printable names
Pedro Alves [Wed, 9 Mar 2016 15:43:13 +0000 (15:43 +0000)]
Fix v850 bfd arch info printable names

Currently, it's not possible to manually set some of the v850 archs in
gdb:

 (gdb) set architecture v850<TAB>
 v850 (using old gcc ABI)
 v850-rh850
 v850e
 v850e (using old gcc ABI)
 v850e1
 [...]
 (gdb) set architecture v850 (using old gcc ABI)
 Ambiguous item "v850 (using old gcc ABI)".

The problem is that "set architecture" is a GDB "enum command", and
GDB only considers an enum value to be the string up until the first
space.  So writing "v850 (using old gcc ABI)" is the same as writing
"v850", and then that's not an unambiguous arch printable name prefix.

v850 is actually the only arch that has spaces in its printable name.
One can conveniently see that with e.g.:

 (gdb) set max-completions unlimited
 (gdb) complete set architecture
 ...

Rather than hack GDB into accepting this somehow, make v850 arch
printable names more like the printable names of the other archs, and
put the abi variant in the "machine" part, after a ':'.

We now get:

 (gdb) set architecture v850<TAB>
 v850:old-gcc-abi
 v850:rh850
 v850e
 v850e1
 v850e1:old-gcc-abi
 v850e2
 v850e2:old-gcc-abi
 [...]

And now "set architecture v850:old-gcc-abi" works as expected.

I ran the binutils/gas/ld testsuites, and found no regressions.  I
don't have a cross compiler handy, but I ran the gdb tests anyway,
which covers at least some snoke testing.

I think that the OUTPUT_ARCH in ld/scripttempl/v850.sc may have got
broken with the previous 2012 change, since I hacked v850_rh850.sc to
output "v850" and ld failed to grok it.  I think it only works if the
old GCC ABI is the configured v850 default ABI.  That's now fixed by
changing to use explicit v850:old-gcc-abi.

Also, this actually "fixes" an existing GDB test, which isn't likewise
expecting spaces in arch names, when GDB is configured for
--target=v850:

  (gdb) FAIL: gdb.xml/tdesc-arch.exp: read valid architectures

bfd/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* cpu-v850.c (N): Append ":old-gcc-abi" instead of " (using old
gcc ABI)" to printable name.
* cpu-v850_rh850.c (bfd_v850_rh850_arch): Use "v850:rh850" instead
of "v850-rh850" as printable name.

ld/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* scripttempl/v850.sc: Use "v850:old-gcc-abi" as OUTPUT_ARCH.
* scripttempl/v850_rh850.sc: Use "v850:rh850" as OUTPUT_ARCH.

8 years agoFor COFF and COFF/PE targets, skip relocations against absolute symbols.
Leon Winter [Wed, 9 Mar 2016 15:26:45 +0000 (15:26 +0000)]
For COFF and COFF/PE targets, skip relocations against absolute symbols.

PR ld/19623
* cofflink.c (_bfd_coff_generic_relocate_section): Do not apply
relocations against absolute symbols.

8 years agofixup -Wshadow warnings on gcc-4.7
Trevor Saunders [Wed, 9 Mar 2016 01:02:07 +0000 (20:02 -0500)]
fixup -Wshadow warnings on gcc-4.7

gcc 4.7 complains about variables that shadow function names, which now happens
in tc-arm.c because there is a global function do_align (), and local variables
do_align.  The simplest fix for this seems to be to rename those variables to
do_alignment.

gas/ChangeLog:

2016-03-09  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-arm.c (neon_alignment_bit): Rename do_align to
do_alignment.
(do_neon_ld_st_lane): Likewise.
(do_neon_ld_dup): Likewise.

8 years agoAllow zero length archive elements
Alan Modra [Wed, 9 Mar 2016 05:40:53 +0000 (16:10 +1030)]
Allow zero length archive elements

PR binutils/19775
* coff-alpha.c (alpha_ecoff_openr_next_archived_file): Allow zero
length elements in the archive.

8 years agoDon't create dynamic sections when relocatable
H.J. Lu [Wed, 9 Mar 2016 04:41:41 +0000 (20:41 -0800)]
Don't create dynamic sections when relocatable

Since dynamic sections aren't applicable to relocatable file, don't
create dynamic sections for -E/--dynamic-list when relocatable.

bfd/

PR ld/19789
* elflink.c (elf_link_add_object_symbols): Create dynamic sections
for -E/--dynamic-list only when not relocatable.

ld/

PR ld/19789
* testsuite/ld-elf/pr19789.d: New file.
* testsuite/ld-elf/pr19789.s: Likewise.

8 years agoRemove checks for constructors that might have been eliminated by GCC.
Cary Coutant [Wed, 9 Mar 2016 04:30:26 +0000 (20:30 -0800)]
Remove checks for constructors that might have been eliminated by GCC.

GCC 6 does not generate constructors for two of gold's test cases.
This patch simply removes the checks for them.

gold/
PR 19751
* testsuite/Makefile.am (retain_symbols_file_test): Remove check
for constructor.
* testsuite/Makefile.in: Regenerate.
* testsuite/dynamic_list.sh: Likewise.
* testsuite/retain_symbols_file_test.sh: Likewise.

8 years agoAdd unused attribute where necessary to quiet GCC 6 warnings.
Cary Coutant [Thu, 3 Mar 2016 22:13:10 +0000 (14:13 -0800)]
Add unused attribute where necessary to quiet GCC 6 warnings.

gold/
PR 19751
* arm.cc (Reloc_stub::Key::name): Add unused attribute.
* dirsearch.cc (Dir_caches::~Dir_caches): Likewise.

8 years agoFix Makefile so make clean removes overlooked files.
Cary Coutant [Wed, 9 Mar 2016 03:52:07 +0000 (19:52 -0800)]
Fix Makefile so make clean removes overlooked files.

gold/
* testsuite/Makefile.am: Add to MOSTLYCLEANFILES.
* testsuite/Makefile.in: Regenerate.

8 years ago[CRIS] Don't internal error if forced big endian
Pedro Alves [Tue, 8 Mar 2016 01:45:09 +0000 (01:45 +0000)]
[CRIS] Don't internal error if forced big endian

This fixes:

  $ ./gdb -q -ex "set endian big" -ex "set architecture cris"
  The target is assumed to be big endian
  .../src/gdb/cris-tdep.c:4051: internal-error: cris_gdbarch_init: big endian byte order in info
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n)

The "set cris-version" command can likewise cause internal errors.

The gdbarch init routine should be returning 0 to reject the
architecture instead of internal erroring on user input.

gdb/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* cris-tdep.c (cris_gdbarch_init): Return 0 if the info's byte
order is BFD_ENDIAN_BIG or if the cris version is unsupported.

8 years agoFix floating conversion buffer overrun when host/target format matches
Pedro Alves [Wed, 9 Mar 2016 03:01:06 +0000 (03:01 +0000)]
Fix floating conversion buffer overrun when host/target format matches

Running the testsuite with a gdb configured with --enable-libmcheck
reveals a problem:

  (gdb) ptype 3 * 2.0
  type = <12-byte float>
  memory clobbered past end of allocated block
  ERROR: Process no longer exists
  UNRESOLVED: gdb.ada/ptype_arith_binop.exp: ptype 3 * 2.0

  (gdb) PASS: gdb.dlang/expression.exp: ptype 0x1.FFFFFFFFFFFFFp1023
  ptype 0x1p-52L
  type = real
  memory clobbered past end of allocated block
  ERROR: Process no longer exists
  UNRESOLVED: gdb.dlang/expression.exp: ptype 0x1p-52L

Even though this shows up with Ada and D, it's easy to reproduce in C
too.  We just need to print a long double, when the current arch is
32-bit, which is the default when gdb starts up:

 $ ./gdb -q -ex "ptype 1.0L"
 type = long double
 memory clobbered past end of allocated block
 Aborted (core dumped)

Valgrind shows:

 ==22159== Invalid write of size 8
 ==22159==    at 0x8464A9: floatformat_from_doublest (doublest.c:756)
 ==22159==    by 0x846822: store_typed_floating (doublest.c:867)
 ==22159==    by 0x6A7959: value_from_double (value.c:3662)
 ==22159==    by 0x6A9F2D: evaluate_subexp_standard (eval.c:745)
 ==22159==    by 0x7F31AF: evaluate_subexp_c (c-lang.c:716)
 ==22159==    by 0x6A8986: evaluate_subexp (eval.c:79)
 ==22159==    by 0x6A8BA3: evaluate_type (eval.c:174)
 ==22159==    by 0x817CCF: whatis_exp (typeprint.c:456)
 ==22159==    by 0x817EAA: ptype_command (typeprint.c:508)
 ==22159==    by 0x5F267B: do_cfunc (cli-decode.c:105)
 ==22159==    by 0x5F5618: cmd_func (cli-decode.c:1885)
 ==22159==    by 0x83622A: execute_command (top.c:475)
 ==22159==  Address 0x8c6cb28 is 8 bytes inside a block of size 12 alloc'd
 ==22159==    at 0x4C2AA98: calloc (vg_replace_malloc.c:711)
 ==22159==    by 0x87384A: xcalloc (common-utils.c:83)
 ==22159==    by 0x873889: xzalloc (common-utils.c:93)
 ==22159==    by 0x6A34CB: allocate_value_contents (value.c:1036)
 ==22159==    by 0x6A3501: allocate_value (value.c:1047)
 ==22159==    by 0x6A790A: value_from_double (value.c:3656)
 ==22159==    by 0x6A9F2D: evaluate_subexp_standard (eval.c:745)
 ==22159==    by 0x7F31AF: evaluate_subexp_c (c-lang.c:716)
 ==22159==    by 0x6A8986: evaluate_subexp (eval.c:79)
 ==22159==    by 0x6A8BA3: evaluate_type (eval.c:174)
 ==22159==    by 0x817CCF: whatis_exp (typeprint.c:456)
 ==22159==    by 0x817EAA: ptype_command (typeprint.c:508)
 ==22159==
 type = long double
 (gdb)

Even if the target and host floating-point formats match, the length
of the types might still be different.  On x86, long double is the
80-bit extended precision type on both 32-bit and 64-bit ABIs, but by
default it is stored as 12 bytes on 32-bit, and 16 bytes on 64-bit,
for alignment reasons.  Several places in doublest.c already consider
this, but floatformat_to_doublest and floatformat_from_doublest miss
it.  E.g., convert_typed_floating and store_typed_floating,

Tested on x86-64 Fedora 23 with --enable-libmcheck, where it fixes the
crashed above.

gdb/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* doublest.c: Extend comments.
(floatformat_to_doublest, floatformat_from_doublest): Copy the
floatformat's total size, not the host type's size.

8 years agoAssert that a floating type's length is at least as long as its format
Pedro Alves [Wed, 9 Mar 2016 02:29:39 +0000 (02:29 +0000)]
Assert that a floating type's length is at least as long as its format

This would have caught the HP/PA bug fixed in the previous patch:

 .../src/gdb/gdbtypes.c:4690: internal-error: arch_float_type: Assertion `len >= floatformat_totalsize_bytes (floatformats[0])' failed.
 A problem internal to GDB has been detected,
 further debugging may prove unreliable.
 Quit this debugging session? (y or n)

Tested on x86-64 Fedora 23, --enable-targets=all.

gdb/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* doublest.c (floatformat_totalsize_bytes): New function.
(floatformat_from_type): Assert that the type's length is at least
as long as the floatformat's totalsize.
* doublest.h (floatformat_totalsize_bytes): New declaration.
* gdbtypes.c (arch_float_type): Assert that the type's length is
at least as long as the floatformat's totalsize.

8 years agoFix HP/PA GNU/Linux "long double" format
Pedro Alves [Wed, 9 Mar 2016 01:50:02 +0000 (01:50 +0000)]
Fix HP/PA GNU/Linux "long double" format

This:

 $ ./gdb -ex "set architecture hppa1.0" -ex "set osabi GNU/Linux" -ex "ptype 1.0L"

Shows that HPPA/Linux support for long doubles is broken.  It causes
GDB to access memory out of bounds.  With Valgrind, we see:

 The target architecture is assumed to be hppa1.0
 ==4371== Invalid write of size 8
 ==4371==    at 0x4C2F21F: memset (vg_replace_strmem.c:1224)
 ==4371==    by 0x8451C4: convert_doublest_to_floatformat (doublest.c:362)
 ==4371==    by 0x845F86: floatformat_from_doublest (doublest.c:769)
 ==4371==    by 0x84628E: store_typed_floating (doublest.c:873)
 ==4371==    by 0x6A7C3D: value_from_double (value.c:3662)
 ==4371==    by 0x6AA211: evaluate_subexp_standard (eval.c:745)
 ==4371==    by 0x7F306D: evaluate_subexp_c (c-lang.c:716)
 ==4371==    by 0x6A8C6A: evaluate_subexp (eval.c:79)
 ==4371==    by 0x6A8E87: evaluate_type (eval.c:174)
 ==4371==    by 0x817B8D: whatis_exp (typeprint.c:456)
 ==4371==    by 0x817D68: ptype_command (typeprint.c:508)
 ==4371==    by 0x5F2977: do_cfunc (cli-decode.c:105)
 ==4371==  Address 0x8998d18 is 0 bytes after a block of size 8 alloc'd
 ==4371==    at 0x4C2AA98: calloc (vg_replace_malloc.c:711)
 ==4371==    by 0x8732B6: xcalloc (common-utils.c:83)
 ==4371==    by 0x8732F5: xzalloc (common-utils.c:93)
 ==4371==    by 0x6A37AF: allocate_value_contents (value.c:1036)
 ==4371==    by 0x6A37E5: allocate_value (value.c:1047)
 ==4371==    by 0x6A7BEE: value_from_double (value.c:3656)
 ==4371==    by 0x6AA211: evaluate_subexp_standard (eval.c:745)
 ==4371==    by 0x7F306D: evaluate_subexp_c (c-lang.c:716)
 ==4371==    by 0x6A8C6A: evaluate_subexp (eval.c:79)
 ==4371==    by 0x6A8E87: evaluate_type (eval.c:174)
 ==4371==    by 0x817B8D: whatis_exp (typeprint.c:456)
 ==4371==    by 0x817D68: ptype_command (typeprint.c:508)

The trouble is that hppa_linux_init_abi overrides the default
long_double_bit set by the generic hppa-tdep.c:

  set_gdbarch_long_double_bit (gdbarch, 128);
  set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);

with:

  /* On hppa-linux, currently, sizeof(long double) == 8.  There has been
     some discussions to support 128-bit long double, but it requires some
     more work in gcc and glibc first.  */
  set_gdbarch_long_double_bit (gdbarch, 64);

which misses overriding the long_double_format, so we end with a weird
combination of:

  set_gdbarch_long_double_bit (gdbarch, 64);
  set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);

Weird because floatformats_ia64_quad's totalsize is longer than 64-bits.

The floatformat conversion routines use the struct floatformat's
totalsize (in bits) to know how much to copy/convert, thus the buffer
overruns.

gdb/ChangeLog:
2016-03-09  Pedro Alves  <palves@redhat.com>

* hppa-linux-tdep.c (hppa_linux_init_abi): Set the long double
format to floatformats_ieee_double.

8 years agoAutomatic date update in version.in
GDB Administrator [Wed, 9 Mar 2016 00:00:09 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoRefactor Output_data_reloc_base::do_write for MIPS-specific relocs.
Cary Coutant [Tue, 8 Mar 2016 20:24:39 +0000 (12:24 -0800)]
Refactor Output_data_reloc_base::do_write for MIPS-specific relocs.

This patch is a simple refactoring that will allow the MIPS backend to
replace the Output_data_reloc_base::do_write() method without copying
its entire implementation. I've moved the implementation of do_write()
into a function template, which can be instantiated with a custom
class to write the MIPS-specific relocation format. The custom class
for MIPS needs access to the symbol index and address from
Output_reloc, so I've included the part of Vlad's MIPS-64 patch that
makes those accessor methods public.

2016-03-08  Cary Coutant  <ccoutant@gmail.com>
            Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>

gold/
* output.cc (Output_reloc_writer): New type.
(Output_data_reloc_base::do_write): Move implementation to template
in output.h and replace with invocation of template.
* output.h (Output_file): Move to top of file.
(Output_reloc::get_symbol_index): Move to public interface.
(Output_reloc::get_address): Likewise.
(Output_data_reloc_base::do_write_generic): New function template.

8 years agoHandle local IFUNC symbols in shared object
H.J. Lu [Tue, 8 Mar 2016 17:42:01 +0000 (09:42 -0800)]
Handle local IFUNC symbols in shared object

Increment PLT reference count for locally defined local IFUNC symbols
in shared object since STT_GNU_IFUNC symbol must go through PLT even
if it is locally defined and undefined symbol may turn out to be a
STT_GNU_IFUNC symbol later.

bfd/

PR ld/19784
* elf32-i386.c (elf_i386_check_relocs): Increment PLT reference
count for locally defined local IFUNC symbols in shared object.
* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.

ld/

PR ld/19784
* testsuite/ld-i386/i386.exp: Remove pr19636-2e-nacl test.
* testsuite/ld-i386/pr19636-2e-nacl.d: Moved to ...
* testsuite/ld-i386/pr19636-2e.d: Here.  Remove notarget.
* testsuite/ld-ifunc/ifunc.exp: Run PR ld/19784 tests.
* testsuite/ld-ifunc/pass.out: New file.
* testsuite/ld-ifunc/pr19784a.c: Likewise.
* testsuite/ld-ifunc/pr19784b.c: Likewise.
* testsuite/ld-ifunc/pr19784c.c: Likewise.

8 years agoSupport --as-needed in ifunc tests
H.J. Lu [Tue, 8 Mar 2016 16:43:12 +0000 (08:43 -0800)]
Support --as-needed in ifunc tests

Since compiler may pass --as-needed to ld by default, link .o file
before .so file in ifunc tests.

PR ld/19774
* testsuite/ld-ifunc/ifunc.exp: Link tmpdir/pr18808a.o before
tmpdir/libpr18808.so.  Link tmpdir/pr18841a.o before
tmpdir/libpr18841b.so and tmpdir/libpr18841c.so.  Test
--as-needed for pr18841c.

8 years agoGroup common symbol checking together
H.J. Lu [Tue, 8 Mar 2016 13:28:55 +0000 (05:28 -0800)]
Group common symbol checking together

PR ld/19579
* elflink.c (_bfd_elf_merge_symbol): Group common symbol checking
together.

8 years ago[ARC] Allow non-instruction relocations within .text sections
Claudiu Zissulescu [Tue, 8 Mar 2016 13:19:52 +0000 (14:19 +0100)]
[ARC] Allow non-instruction relocations within .text sections

bfd/
2016-03-08  Cupertino Miranda  <Cupertino.Miranda@synopsys.com>
    Andrew Burgess  <andrew.burgess@embecosm.com>

* elf32-arc.c (arc_bfd_get_32): Becomes an alias for bfd_get_32.
(arc_bfd_put_32): Becomes an alias for bfd_put_32.
(arc_elf_howto_init): Added assert to validate relocations.
(get_middle_endian_relocation): Delete.
(middle_endian_convert): New function.
(ME): Redefine, now does nothing.
(IS_ME): New define.
(arc_do_relocation): Extend the attached 'ARC_RELOC_HOWTO'
definition to call middle_endian_convert.  Add a new local
variable and make use of this throughout. Added call to
arc_bfd_get_8 and arc_bfd_put_8 for 8 bit relocations.

gas/
2016-03-08  Andrew Burgess  <andrew.burgess@embecosm.com>

* testsuite/gas/arc/inline-data-1.d: New file.
* testsuite/gas/arc/inline-data-1.s: New file.

include/
2016-03-08  Cupertino Miranda  <Cupertino.Miranda@synopsys.com>
    Andrew Burgess  <andrew.burgess@embecosm.com>

* elf/arc-reloc.def: Add a call to ME within the formula for each
relocation that requires middle-endian correction.

8 years agoAutomatic date update in version.in
GDB Administrator [Tue, 8 Mar 2016 00:00:24 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years ago[ARM] Add support for Cortex-R8
Thomas Preud'homme [Mon, 7 Mar 2016 17:31:57 +0000 (17:31 +0000)]
[ARM] Add support for Cortex-R8

2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

gas/
    * config/tc-arm.c (arm_cpus): Add cortex-r8.
    * doc/c-arm.texi: Add cortex-r8.

8 years agoAllow zero length archive elements.
Nick Clifton [Mon, 7 Mar 2016 17:29:25 +0000 (17:29 +0000)]
Allow zero length archive elements.

bfd PR binutils/19775
* archive.c (bfd_generic_openr_next_archived_file): Allow zero
length elements in the archive.

binutils PR binutils/19775
* testsuite/binutils-all/ar.exp (proc empty_archive): New proc.
Run the new proc.
* testsuite/binutils-all/empty: New, empty, file.

8 years agoSupport --as-needed in i386/x86-64 tests
H.J. Lu [Mon, 7 Mar 2016 17:03:24 +0000 (09:03 -0800)]
Support --as-needed in i386/x86-64 tests

Since compiler may pass --as-needed to ld by default, link .o file
before .so file in i386/x86-64 tests.

PR ld/19774
* testsuite/ld-i386/i386.exp: Link tmpdir/pr18900.o before
tmpdir/pr18900.so and test --as-needed.  Link tmpdir/gotpc1.o
before tmpdir/got1d.so and test --as-needed.
* testsuite/ld-x86-64/x86-64.exp: Link tmpdir/pr18900.o before
tmpdir/pr18900.so and test --as-needed.

8 years agoFix "set architecture mips:10000" crash
Pedro Alves [Mon, 7 Mar 2016 00:10:30 +0000 (00:10 +0000)]
Fix "set architecture mips:10000" crash

Fix this GDB crash:

  $ gdb -ex "set architecture mips:10000"
  Segmentation fault (core dumped)

Backtrace:

  Program received signal SIGSEGV, Segmentation fault.
  0x0000000000495b1b in mips_gdbarch_init (info=..., arches=0x0) at /home/pedro/gdb/mygit/cxx-convertion/src/gdb/mips-tdep.c:8436
  8436              if (bfd_get_flavour (info.abfd) == bfd_target_elf_flavour
  (top-gdb) bt
  #0  0x0000000000495b1b in mips_gdbarch_init (info=..., arches=0x0) at .../src/gdb/mips-tdep.c:8436
  #1  0x00000000007348a6 in gdbarch_find_by_info (info=...) at .../src/gdb/gdbarch.c:5155
  #2  0x000000000073563c in gdbarch_update_p (info=...) at .../src/gdb/arch-utils.c:522
  #3  0x0000000000735585 in set_architecture (ignore_args=0x0, from_tty=1, c=0x26bc870) at .../src/gdb/arch-utils.c:496
  #4  0x00000000005f29fd in do_sfunc (c=0x26bc870, args=0x0, from_tty=1) at .../src/gdb/cli/cli-decode.c:121
  #5  0x00000000005fd3f3 in do_set_command (arg=0x7fffffffdcdd "mips:10000", from_tty=1, c=0x26bc870) at .../src/gdb/cli/cli-setshow.c:455
  #6  0x0000000000836157 in execute_command (p=0x7fffffffdcdd "mips:10000", from_tty=1) at .../src/gdb/top.c:460
  #7  0x000000000071abfb in catch_command_errors (command=0x835f6b <execute_command>, arg=0x7fffffffdccc "set architecture mips:10000", from_tty=1)
      at .../src/gdb/main.c:368
  #8  0x000000000071bf4f in captured_main (data=0x7fffffffd750) at .../src/gdb/main.c:1132
  #9  0x0000000000716737 in catch_errors (func=0x71af44 <captured_main>, func_args=0x7fffffffd750, errstring=0x106b9a1 "", mask=RETURN_MASK_ALL)
      at .../src/gdb/exceptions.c:240
  #10 0x000000000071bfe6 in gdb_main (args=0x7fffffffd750) at .../src/gdb/main.c:1164
  #11 0x000000000040a6ad in main (argc=4, argv=0x7fffffffd858) at .../src/gdb/gdb.c:32
  (top-gdb)

We already check whether info.abfd is NULL before all other
bfd_get_flavour calls in the same function.  Just this one case was
missing.

(This was exposed by a WIP test that tries all "set architecture ARCH"
values.)

gdb/ChangeLog:
2016-03-07  Pedro Alves  <palves@redhat.com>

* mips-tdep.c (mips_gdbarch_init): Check whether info.abfd is NULL
before calling bfd_get_flavour.

8 years ago[AArch64] Create .got section if _GLOBAL_OFFSET_TABLE_ referenced
Jiong Wang [Mon, 7 Mar 2016 15:40:50 +0000 (15:40 +0000)]
[AArch64] Create .got section if _GLOBAL_OFFSET_TABLE_ referenced

2016-03-07  Jiong Wang  <jiong.wang@arm.com>

bfd/
  * elfnn-aarch64.c (elfNN_aarch64_check_relocs): Always create .got section
  if the symbol "_GLOBAL_OFFSET_TABLE_" referenced.

ld/
  * testsuite/ld-aarch64/implicit_got_section_1.s: New test source file.
  * testsuite/ld-aarch64/implicit_got_section_1.d: New test expected result.
  * testsuite/ld-aarch64/aarch64-elf.exp: Run new test.

8 years agoAdd const qualifiers at various places.
Trevor Saunders [Mon, 7 Mar 2016 15:16:28 +0000 (15:16 +0000)]
Add const qualifiers at various places.

opcodes * mcore-opc.h: Add const qualifiers.
* microblaze-opc.h (struct op_code_struct): Likewise.
* sh-opc.h: Likewise.
* tic4x-dis.c (tic4x_print_indirect): Likewise.
(tic4x_print_op): Likewise.

include * opcode/dlx.h (struct dlx_opcode): Add const qualifiers.
* opcode/h8300.h (struct h8_opcode): Likewise.
* opcode/hppa.h (struct pa_opcode): Likewise.
* opcode/msp430.h: Likewise.
* opcode/spu.h (struct spu_opcode): Likewise.
* opcode/tic30.h (struct _register): Likewise.
* opcode/tic4x.h (struct tic4x_register): Likewise.
(struct tic4x_cond): Likewise.
(struct tic4x_indirect): Likewise.
(struct tic4x_inst): Likewise.
* opcode/visium.h (struct reg_entry): Likewise.

gas * config/tc-arc.c: Add const qualifiers.
* config/tc-h8300.c (md_begin): Likewise.
* config/tc-ia64.c (print_prmask): Likewise.
* config/tc-msp430.c (msp430_operands): Likewise.
* config/tc-nds32.c (struct suffix_name): Likewise.
(struct nds32_parse_option_table): Likewise.
(struct nds32_set_option_table): Likewise.
(do_pseudo_pushpopm): Likewise.
(do_pseudo_pushpop_stack): Likewise.
(nds32_relax_relocs): Likewise.
(nds32_flag): Likewise.
(struct nds32_hint_map): Likewise.
(nds32_find_reloc_table): Likewise.
(nds32_match_hint_insn): Likewise.
* config/tc-s390.c: Likewise.
* config/tc-sh.c (get_specific): Likewise.
* config/tc-tic30.c: Likewise.
* config/tc-tic4x.c (tic4x_inst_add): Likewise.
(tic4x_indirect_parse): Likewise.
* config/tc-vax.c (vax_cons): Likewise.
* config/tc-z80.c (struct reg_entry): Likewise.
* config/tc-epiphany.c (md_assemble): Adjust.
(epiphany_assemble): New function.
(epiphany_elf_section_rtn): Call do_align directly.
(epiphany_elf_section_text): Likewise.
* config/tc-ip2k.c (ip2k_elf_section_rtn): Likewise.
(ip2k_elf_section_text): Likewise.
* read.c (do_align): Make it not static.
* read.h (do_align): New prototype.

8 years agoAutomatic date update in version.in
GDB Administrator [Mon, 7 Mar 2016 00:00:19 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoSet executable bit on analyze-racy-logs.py
Sergio Durigan Junior [Sun, 6 Mar 2016 22:30:19 +0000 (17:30 -0500)]
Set executable bit on analyze-racy-logs.py

I forgot to do it in my previous commit.  This is necessary because we
execute the script directly on gdb/testsuite/Makefile.in.

gdb/testsuite/ChangeLog:
2016-03-06  Sergio Durigan Junior  <sergiodj@redhat.com>

* analyze-racy-logs.py: Set executable bit.

8 years agoLink tmpdir/copyreloc-main.o before tmpdir/copyreloc-lib.so
H.J. Lu [Sun, 6 Mar 2016 16:26:49 +0000 (08:26 -0800)]
Link tmpdir/copyreloc-main.o before tmpdir/copyreloc-lib.so

Since compiler may pass --as-needed to ld by default, link
tmpdir/copyreloc-main.o before tmpdir/copyreloc-lib.so.

* testsuite/ld-i386/i386.exp: Link tmpdir/copyreloc-main.o
before tmpdir/copyreloc-lib.so and test --as-needed.
* testsuite/ld-x86-64/x86-64.exp: Likewise.

8 years agoImprove analysis of racy testcases
Sergio Durigan Junior [Sun, 6 Mar 2016 01:37:11 +0000 (20:37 -0500)]
Improve analysis of racy testcases

This is an initial attempt to introduce some mechanisms to identify
racy testcases present in our testsuite.  As can be seen in previous
discussions, racy tests are really bothersome and cause our BuildBot
to pollute the gdb-testers mailing list with hundreds of
false-positives messages every month.  Hopefully, identifying these
racy tests in advance (and automatically) will contribute to the
reduction of noise traffic to gdb-testers, maybe to the point where we
will be able to send the failure messages directly to the authors of
the commits.

I spent some time trying to decide the best way to tackle this
problem, and decided that there is no silver bullet.  Racy tests are
tricky and it is difficult to catch them, so the best solution I could
find (for now?) is to run our testsuite a number of times in a row,
and then compare the results (i.e., the gdb.sum files generated during
each run).  The more times you run the tests, the more racy tests you
are likely to detect (at the expense of waiting longer and longer).
You can also run the tests in parallel, which makes things faster (and
contribute to catching more racy tests, because your machine will have
less resources for each test and some of them are likely to fail when
this happens).  I did some tests in my machine (8-core i7, 16GB RAM),
and running the whole GDB testsuite 5 times using -j6 took 23 minutes.
Not bad.

In order to run the racy test machinery, you need to specify the
RACY_ITER environment variable.  You will assign a number to this
variable, which represents the number of times you want to run the
tests.  So, for example, if you want to run the whole testsuite 3
times in parallel (using 2 cores), you will do:

  make check RACY_ITER=3 -j2

It is also possible to use the TESTS variable and specify which tests
you want to run:

  make check TEST='gdb.base/default.exp' RACY_ITER=3 -j2

And so on.  The output files will be put at the directory
gdb/testsuite/racy_outputs/.

After make invokes the necessary rules to run the tests, it finally
runs a Python script that will analyze the resulting gdb.sum files.
This Python script will read each file, and construct a series of sets
based on the results of the tests (one set for FAIL's, one for
PASS'es, one for KFAIL's, etc.).  It will then do some set operations
and come up with a list of unique, sorted testcases that are racy.
The algorithm behind this is:

  for state in PASS, FAIL, XFAIL, XPASS...; do
    if a test's state in every sumfile is $state; then
      it is not racy
    else
      it is racy

(The algorithm is actually a bit more complex than that, because it
takes into account other things in order to decide whether the test
should be ignored or not).

IOW, a test must have the same state in every sumfile.

After processing everything, the script prints the racy tests it could
identify on stdout.  I am redirecting this to a file named racy.sum.

Something else that I wasn't sure how to deal with was non-unique
messages in our testsuite.  I decided to do the same thing I do in our
BuildBot: include a unique identifier in the end of message, like:

  gdb.base/xyz.exp: non-unique message
  gdb.base/xyz.exp: non-unique message <<2>>

This means that you will have to be careful about them when you use
the racy.sum file.

I ran the script several times here, and it did a good job catching
some well-known racy tests.  Overall, I am satisfied with this
approach and I think it will be helpful to have it upstream'ed.  I
also intend to extend our BuildBot and create new, specialized
builders that will be responsible for detecting the racy tests every X
number of days.

2016-03-05  Sergio Durigan Junior  <sergiodj@redhat.com>

* Makefile.in (DEFAULT_RACY_ITER): New variable.
(CHECK_TARGET_TMP): Likewise.
(check-single-racy): New rule.
(check-parallel-racy): Likewise.
(TEST_TARGETS): Adjust rule to account for RACY_ITER.
(do-check-parallel-racy): New rule.
(check-racy/%.exp): Likewise.
* README (Racy testcases): New section.
* analyze-racy-logs.py: New file.

8 years agoAutomatic date update in version.in
GDB Administrator [Sun, 6 Mar 2016 00:00:18 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoFix argument passing for call
Denis Chertykov [Sat, 5 Mar 2016 12:17:15 +0000 (15:17 +0300)]
Fix argument passing for call

When calling function with argument of size more than 8 bytes fails with
an error "That operation is not available on integers of more than 8 bytes.".
avr-gdb considers only 8 bytes (sizeof(long long)) in case of passing the
argument in registers. When the argument is of size more than 8 byte
then the utility function to extract bytes failed with the above error.

    gdb/
* avr-tdep.c (AVR_LAST_ARG_REGNUM): Define.
        (avr_push_dummy_call): Correct last needed argument register.
        Write MSB of argument into register and subsequent bytes into
        other registers in decreasing order.

8 years agoAutomatic date update in version.in
GDB Administrator [Sat, 5 Mar 2016 00:00:09 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoFix datestamps on ChangeLog entries to read 2015 instead of 2016.
Cary Coutant [Fri, 4 Mar 2016 22:17:39 +0000 (14:17 -0800)]
Fix datestamps on ChangeLog entries to read 2015 instead of 2016.

8 years agoAdd missing ChangeLog entries for commit 82838
H.J. Lu [Fri, 4 Mar 2016 16:28:12 +0000 (08:28 -0800)]
Add missing ChangeLog entries for commit 82838

Fix gold/testsuite/plugin_layout_with_alignment.sh permission.

8 years agoFix undefined symbol errors introduced with previous commit.
Cary Coutant [Fri, 4 Mar 2016 16:10:57 +0000 (08:10 -0800)]
Fix undefined symbol errors introduced with previous commit.

gold/
PR gold/19019
PR gold/19763
* symtab.cc: Instantiate Sized_symbol::init_constant and
Sized_symbol::init_undefined.

8 years agoARM process record: VMOV
Yao Qi [Fri, 4 Mar 2016 16:02:15 +0000 (16:02 +0000)]
ARM process record: VMOV

ARM process record gets the wrong register number for VMOV (from core
register to single-precision register).  That is, we should record
the D register rather than the S pseudo register.  The patch also
removes the condition "bit (arm_insn_r->arm_insn, 20)" check, which
has been checked above.

It fixes the following internal error,

(gdb) PASS: gdb.reverse/finish-precsave.exp: BP at end of main
continue^M
Continuing.^M
../../binutils-gdb/gdb/regcache.c:649: internal-error: regcache_raw_read: Assertion `regnum >= 0 && regnum < regcache->descr->nr_raw_registers' failed.^M
A problem internal to GDB has been detected,FAIL: gdb.reverse/finish-precsave.exp: run to end of main (GDB internal error)

gdb:

2016-03-04  Yao Qi  <yao.qi@linaro.org>

* arm-tdep.c (arm_record_vdata_transfer_insn): Simplify the
condition check.  Record the right D register number.

8 years agoTweak ARM process record
Yao Qi [Fri, 4 Mar 2016 15:57:55 +0000 (15:57 +0000)]
Tweak ARM process record

This patch removes the printing "Process record does not support",
and do the print by calling arm_record_unsupported_insn in the
caller.  Also, call arm_record_extension_space only when condition
is 0xf.

gdb:

2016-03-04  Yao Qi  <yao.qi@linaro.org>

* arm-tdep.c (arm_record_extension_space): Remove code
printing "Process record does not support".
(arm_record_data_proc_misc_ld_str): Likewise.
(decode_insn): Call arm_record_extension_space if condition
is 0xf.  Call arm_record_unsupported_insn if ret isn't
ARM_RECORD_SUCCESS.  Use 'ret' instead of 'insn_id' to hold
the value of thumb2_record_decode_insn_handler.

8 years agofeature_to_c.sh: Print help when passing no arguments
Simon Marchi [Fri, 4 Mar 2016 15:03:06 +0000 (10:03 -0500)]
feature_to_c.sh: Print help when passing no arguments

I found that odd that passing no arguments to feature_to_c.sh produces
this:

$ ./feature_to_c.sh
./feature_to_c.sh: 23: shift: can't shift that many

but passing one argument shows the help:

$ ./feature_to_c.sh hello
Usage: ./feature_to_c.sh OUTPUTFILE INPUTFILE...

This patch changes the script to show the help in both cases.

gdb/ChangeLog:

* features/feature_to_c.sh: Print the help when passing no
argument.

8 years agoFix a ChangeLog entry
H.J. Lu [Fri, 4 Mar 2016 14:48:01 +0000 (06:48 -0800)]
Fix a ChangeLog entry

8 years agoTreat common symbol in executable as definition
H.J. Lu [Fri, 4 Mar 2016 14:37:34 +0000 (06:37 -0800)]
Treat common symbol in executable as definition

Common symbol in executable is a definition, which overrides definition
from shared objects.  When linker sees a new definition from a shared
object, the new dynamic definition should be overridden by the previous
common symbol in executable.

bfd/

PR ld/19579
* elflink.c (_bfd_elf_merge_symbol): Treat common symbol in
executable as definition if the new definition comes from a
shared library.

ld/

PR ld/19579
* testsuite/ld-elf/pr19579a.c: New file.
* testsuite/ld-elf/pr19579b.c: Likewise.
* testsuite/ld-elf/shared.exp: Run PR ld/19579 test.

8 years ago[ARM] Build attributes for ARMv8.1-A AdvSIMD
Matthew Wahab [Fri, 4 Mar 2016 14:16:48 +0000 (14:16 +0000)]
[ARM] Build attributes for ARMv8.1-A AdvSIMD

binutils/
2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>

* readelf.c (arm_attry_tag_FP_arch): Add "NEON for ARMv8.1".

gas/
2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>

* config/tc-arm.c (aeabi_set_public_attributes): Emit attribute
for ARMv8.1 AdvSIMD use.
* testsuite/gas/arm/attr-march-armv8-a+rdma.d: New.
* testsuite/gas/arm/attr-march-armv8_1-a+simd.d: New.

Change-Id: I3c356e0681b97df2f9c0dabd7c0fd1b441cc2755

8 years ago[ARM] Add feature check for ARMv8.1 AdvSIMD instructions.
Matthew Wahab [Fri, 4 Mar 2016 11:28:28 +0000 (11:28 +0000)]
[ARM] Add feature check for ARMv8.1 AdvSIMD instructions.

gas/
2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>

* config/gas/tc-arm.c (fpu_neon_ext_v8_1): Restrict to the ARMv8.1 RDMA
feature.
(record_feature_use): New.
(mark_feature_used): Use record_feature_use.
(do_neon_qrdmlah): New.
(insns): Use do_neon_qrdmlah for vqrdmlah and vqrdmlsh and
variants.
(arm_extensions): Put into alphabetical order.  Re-indent "simd"
and "rdma" entries.  Fix the incorrect merge value for "+rdma".
* testsuite/gas/arm/armv8-a+rdma-warning.d: New.
* testsuite/gas/arm/armv8-a+rdma.d: Add assembler command line options.
Make source file explicit.
* testsuite/gas/arm/armv8-a+rdma.l: New.
* testsuite/gas/arm/armv8-a+rdma.s: Remove .arch and .arch_extension
directives.  Fix white-space.
* testsuite/gas/arm/armv8_1-a+simd.d: New.

include/opcode
2016-03-04  Matthew Wahab  <matthew.wahab@arm.com>

* arm.h (ARM_ARCH_V8_1A): Add FPU_NEON_EXT_RDMA.
(ARM_CPU_HAS_FEATURE): Add comment.

Change-Id: Ie19250e8fa50aed44e44ab40ff30b04b38bc1a3d

8 years agoAdd support for STT_SPARC_REGISTER symbols.
Cary Coutant [Fri, 5 Feb 2016 00:55:39 +0000 (16:55 -0800)]
Add support for STT_SPARC_REGISTER symbols.

gold/
PR gold/19019
* layout.h (Layout::add_target_specific_dynamic_tag): New function.
* layout.cc (Layout::add_target_specific_dynamic_tag): New function.
* mips.cc (Target_mips::make_symbol): Adjust function signature.
* sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
(Target_sparc::do_is_defined_by_abi): Remove test for
STT_SPARC_REGISTER.
(Target_sparc::Register_symbol): New struct type.
(Target_sparc::register_syms_): New data member.
(Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
(Target_sparc::make_symbol): New function.
(Target_sparc::do_finalize_sections): Add register symbols and new
dynamic table entries.
* symtab.h (Sized_symbol::init_undefined): Add value parameter.
(Symbol_table::add_target_global_symbol): New function.
(Symbol_table::target_symbols_): New data member.
* symtab.cc (Sized_symbol::init_undefined): Add value parameter.
(Symbol_table::Symbol_table): Initialize target_symbols_.
(Symbol_table::add_from_object): Pass additional parameters to
Target::make_symbol.
(Symbol_table::define_special_symbol): Likewise.
(Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
undefined symbol value.
(Symbol_table::set_dynsym_indexes): Process target-specific symbols.
(Symbol_table::sized_finalize): Likewise.
(Symbol_table::sized_write_globals): Likewise.
* target.h (Sized_target::make_symbol): Add name, st_type, object,
st_shndx, and value parameters.

8 years agoAutomatic date update in version.in
GDB Administrator [Fri, 4 Mar 2016 00:00:08 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoDon't handle every plugin symbol as defined.
Rafael Ávila de Espíndola [Thu, 3 Mar 2016 19:42:21 +0000 (14:42 -0500)]
Don't handle every plugin symbol as defined.

Gold was fetching --start-lib/--end-lib members if that member defined
or used a currently undefined symbol.

8 years agoAdd new plugin hooks to support querying section alignment and size.
Cary Coutant [Thu, 3 Mar 2016 20:09:06 +0000 (12:09 -0800)]
Add new plugin hooks to support querying section alignment and size.

include/
2016-03-03  Than McIntosh <thanm@google.com>

* plugin-api.h: Add new hooks to the plugin transfer vector to
to support querying section alignment and section size.
(ld_plugin_get_input_section_alignment): New hook.
(ld_plugin_get_input_section_size): New hook.
(ld_plugin_tag): Add LDPT_GET_INPUT_SECTION_ALIGNMENT
and LDPT_GET_INPUT_SECTION_SIZE.
(ld_plugin_tv): Add tv_get_input_section_alignment and
tv_get_input_section_size.

gold/
2016-03-03  Than McIntosh  <thanm@google.com>

* plugin.cc (Plugin::load): Include hooks for get_input_section_size
and get_input_section_alignment in transfer vector.
(get_input_section_alignment): New function.
(get_input_section_size): New function.
* testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
* testsuite/Makefile.in: [Regenerate.]
* testsuite/plugin_section_alignment.cc: New test file.
* testsuite/plugin_layout_with_alignment.cc: New test file.
* testsuite/plugin_layout_with_alignment.sh: New test file.

8 years agoget_symbols() plugin API tweak to support --start-lib/--end-lib.
Evgenii Stepanov [Thu, 3 Mar 2016 19:36:36 +0000 (11:36 -0800)]
get_symbols() plugin API tweak to support --start-lib/--end-lib.

Let the plugin know that a file is not being included in the link by
returning LDPS_NO_SYMS from get_symbols().

include/
* plugin-api.h (enum ld_plugin_tag): Add LDPT_GET_SYMBOLS_V3.

gold/
* plugin.h (Pluginobj::get_symbol_resolution_info): Add version
parameter.
* plugin.cc (get_symbols_v3): New function.
(Plugin::load): Add LDPT_GET_SYMBOLS_V3.
(Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
new version.

8 years agogdb.base/skip.exp: Use with_test_prefix.
Doug Evans [Thu, 3 Mar 2016 18:49:28 +0000 (10:49 -0800)]
gdb.base/skip.exp: Use with_test_prefix.

gdb/testsuite/ChangeLog:

* gdb.base/skip.exp: Use with_test_prefix.

8 years agoFix bugs in the simulation of the AArch64's ADDP, FADDP, LD1, CCMP and CCMP instructions.
Nick Clifton [Thu, 3 Mar 2016 15:14:35 +0000 (15:14 +0000)]
Fix bugs in the simulation of the AArch64's ADDP, FADDP, LD1, CCMP and CCMP instructions.

* simulator.c (set_flags_for_sub32): Correct type of signbit.
(CondCompare): Swap interpretation of bit 30.
(DO_ADDP): Delete macro.
(do_vec_ADDP): Copy source registers before starting to update
destination register.
(do_vec_FADDP): Likewise.
(do_vec_load_store): Fix computation of sizeof_operation.
(rbit64): Fix type of constant.
(aarch64_step): When displaying insn value, display all 32 bits.

8 years agoUpdate comments to start_step_over
Yao Qi [Thu, 3 Mar 2016 09:28:19 +0000 (09:28 +0000)]
Update comments to start_step_over

I happen to see that comments to start_step_over isn't in sync with
code, so this patch is to update the comments.

gdb/gdbserver:

2016-03-03  Yao Qi  <yao.qi@linaro.org>

* linux-low.c: Update comments to start_step_over.

8 years agoNew test about step over clone syscall
Yao Qi [Thu, 3 Mar 2016 09:17:45 +0000 (09:17 +0000)]
New test about step over clone syscall

This patch adds a new test for stepping over clone syscall.

2016-03-03  Yao Qi  <yao.qi@linaro.org>

* gdb.base/step-over-syscall.exp (step_over_syscall): Kfail.
Invoke step_over_syscall "clone" and break_cond_on_syscall
"clone".
* gdb.base/step-over-clone.c: New file.

8 years agoReformat gdb.base/step-over-syscall.exp
Yao Qi [Thu, 3 Mar 2016 09:17:45 +0000 (09:17 +0000)]
Reformat gdb.base/step-over-syscall.exp

gdb/testsuite:

2016-03-03  Yao Qi  <yao.qi@linaro.org>

* gdb.base/step-over-syscall.exp (disp_step_cross_syscall): Fix
code format.

8 years agoRename disp-step-syscall.exp to step-over-syscall.exp
Yao Qi [Thu, 3 Mar 2016 09:17:45 +0000 (09:17 +0000)]
Rename disp-step-syscall.exp to step-over-syscall.exp

disp-step-syscall.exp is extended for stepping over syscall instruction
in different cases, with or without displaced stepping, and stepping
over by GDBserver.

This patch rename disp-step-syscall.exp to step-over-syscall.exp to
reflect this.

gdb/testsuite:

2016-03-03  Yao Qi  <yao.qi@linaro.org>

* gdb.base/disp-step-fork.c: Rename to ...
* gdb.base/step-over-fork.c: ... it.  New file.
* gdb.base/disp-step-vfork.c: Rename to ...
* gdb.base/step-over-vfork.c: ... it.  New file.
* gdb.base/disp-step-syscall.exp: Rename to ...
* gdb.base/step-over-syscall.exp: ... it.  New file.
(disp_step_cross_syscall): Rename to ...
(step_over_syscall): ... it.

8 years agoStep over fork/vfork syscall insn in gdbserver
Yao Qi [Thu, 3 Mar 2016 09:17:44 +0000 (09:17 +0000)]
Step over fork/vfork syscall insn in gdbserver

We can also extend disp-step-syscall.exp to test GDBserver step over
breakpoint on syscall instruction.  That is, we set a breakpoint
with a false condition on syscall instruction, so that GDBserver will
step over it.

This test triggers a GDBserver internal error, which can be fixed by
this series.

(gdb) PASS: gdb.base/disp-step-syscall.exp: fork: break cond on target: break on syscall insns
continue^M
Continuing.^M
Remote connection closed^M
(gdb) FAIL: gdb.base/disp-step-syscall.exp: fork: break cond on target: continue to fork again

In GDBserver, there is an internal error,

/home/yao/SourceCode/gnu/gdb/git/gdb/gdbserver/linux-low.c:1922: A problem internal to GDBserver has been detected.
unsuspend LWP 25554, suspended=-1

the simplified reproducer is like,

$ ./gdb ./testsuite/outputs/gdb.base/disp-step-syscall/disp-step-fork
(gdb) b main
(gdb) c
(gdb) disassemble fork // in order to find the address of insn 'syscall'
....
   0x00007ffff7ad6023 <+179>: syscall
(gdb) b *0x00007ffff7ad6023 if main == 0
(gdb) c

gdb/testsuite:

2016-03-03  Yao Qi  <yao.qi@linaro.org>

* gdb.base/disp-step-syscall.exp (break_cond_on_syscall): New.
If target supports condition evaluation on target, invoke
break_cond_on_syscall for fork and vfork.

8 years agoStep over syscalll insn with disp-step on and off
Yao Qi [Thu, 3 Mar 2016 09:17:44 +0000 (09:17 +0000)]
Step over syscalll insn with disp-step on and off

disp-step-syscall.exp was added to test displaced stepping over syscall
instructions, in which we set breakpoint on syscall instruction, and
step over it.  In fact, we can extend the test to non-displaced-stepping
case.  This patch wraps the test with displaced stepping on and off.
Note that the indentation and format isn't adjusted here to make this
patch easy to read.  The following patch will fix the format separately.

gdb/testsuite:

2016-03-03  Yao Qi  <yao.qi@linaro.org>

* gdb.base/disp-step-syscall.exp: Don't invoke
support_displaced_stepping.
(disp_step_cross_syscall): Test with displaced stepping off and
on if supported.

8 years agoRefactor gdb.base/disp-step-syscall.exp for general step over test
Yao Qi [Thu, 3 Mar 2016 09:17:44 +0000 (09:17 +0000)]
Refactor gdb.base/disp-step-syscall.exp for general step over test

This patch moves some code out of disp_step_cross_syscall to a new proc
check_pc_after_cross_syscall and setup.  Procedure setup is to start a
fresh GDB and compute the syscall instruction address.

gdb/testsuite:

2016-03-03  Yao Qi  <yao.qi@linaro.org>

* gdb.base/disp-step-syscall.exp (check_pc_after_cross_syscall): New
proc.
(setup): New proc.
(disp_step_cross_syscall): Move code to check_pc_after_cross_syscall
and setup.

8 years ago[GDBserver] Leave child suspended when step over parent
Yao Qi [Thu, 3 Mar 2016 09:17:44 +0000 (09:17 +0000)]
[GDBserver] Leave child suspended when step over parent

I see the following GDBserver internal error in two cases,

 gdb/gdbserver/linux-low.c:1922: A problem internal to GDBserver has been detected.
 unsuspend LWP 17200, suspended=-1

 1. step over a breakpoint on fork/vfork syscall instruction,
 2. step over a breakpoint on clone syscall instruction and child
    threads hits a breakpoint,

the stack backtrace is

 #0  internal_error (file=file@entry=0x44c4c0 "gdb/gdbserver/linux-low.c", line=line@entry=1922,
    fmt=fmt@entry=0x44c7d0 "unsuspend LWP %ld, suspended=%d\n") at gdb/gdbserver/../common/errors.c:51
 #1  0x0000000000424014 in lwp_suspended_decr (lwp=<optimised out>, lwp=<optimised out>) at gdb/gdbserver/linux-low.c:1922
 #2  0x000000000042403a in unsuspend_one_lwp (entry=<optimised out>, except=0x66e8c0) at gdb/gdbserver/linux-low.c:2885
 #3  0x0000000000405f45 in find_inferior (list=<optimised out>, func=func@entry=0x424020 <unsuspend_one_lwp>, arg=arg@entry=0x66e8c0)
    at gdb/gdbserver/inferiors.c:243
 #4  0x00000000004297de in unsuspend_all_lwps (except=0x66e8c0) at gdb/gdbserver/linux-low.c:2895
 #5  linux_wait_1 (ptid=..., ourstatus=ourstatus@entry=0x665ec0 <last_status>, target_options=target_options@entry=0)
    at gdb/gdbserver/linux-low.c:3632
 #6  0x000000000042a764 in linux_wait (ptid=..., ourstatus=0x665ec0 <last_status>, target_options=0)
    at gdb/gdbserver/linux-low.c:3770
 #7  0x0000000000411163 in mywait (ptid=..., ourstatus=ourstatus@entry=0x665ec0 <last_status>, options=options@entry=0, connected_wait=connected_wait@entry=1)
    at gdb/gdbserver/target.c:214
 #8  0x000000000040b1f2 in resume (actions=0x66f800, num_actions=1) at gdb/gdbserver/server.c:2757
 #9  0x000000000040f660 in handle_v_cont (own_buf=0x66a630 "vCont;c:p45e9.-1") at gdb/gdbserver/server.c:2719

when GDBserver steps over a thread, other threads have been suspended,
the "stepping" thread may create new thread, but GDBserver doesn't set
it suspend count to 1.  When GDBserver unsuspend threads, the child's
suspend count goes to -1, and the assert is triggered.  In fact, GDBserver
has already taken care of suspend count of new thread when GDBserver is
suspending all threads except the one GDBserver wants to step over by
https://sourceware.org/ml/gdb-patches/2015-07/msg00946.html

+   /* If we're suspending all threads, leave this one suspended
+      too.  */
+   if (stopping_threads == STOPPING_AND_SUSPENDING_THREADS)
+     {
+       if (debug_threads)
+ debug_printf ("HEW: leaving child suspended\n");
+       child_lwp->suspended = 1;
+     }

but that is not enough, because new thread is still can be spawned in
the thread which is being stepped over.  This patch extends the
condition that GDBserver set child's suspend count to one if it is
suspending threads or stepping over the thread.

gdb/gdbserver:

2016-03-03  Yao Qi  <yao.qi@linaro.org>

PR server/19736
* linux-low.c (handle_extended_wait): Set child suspended
if event_lwp->bp_reinsert isn't zero.

8 years agoSkip ld-elf/pr19162.d for hppa-*-*
H.J. Lu [Thu, 3 Mar 2016 03:07:01 +0000 (19:07 -0800)]
Skip ld-elf/pr19162.d for hppa-*-*

ld-elf/pr19162.d fails for hppa-*-* since Dave Anglin's fix for PR 12376
makes the data segment always start on a page boundary.

* testsuite/ld-elf/pr19162.d: Skip hppa-*-*.

8 years agoCorrect fr30 comment
Alan Modra [Thu, 3 Mar 2016 01:49:36 +0000 (12:19 +1030)]
Correct fr30 comment

* fr30.cpu (f.m4): Replace bogus comment with a better guess
at what is really going on.

8 years agoAutomatic date update in version.in
GDB Administrator [Thu, 3 Mar 2016 00:00:18 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoXfail mix_pic_and_non_pic on arm and aarch64
H.J. Lu [Wed, 2 Mar 2016 19:35:03 +0000 (11:35 -0800)]
Xfail mix_pic_and_non_pic on arm and aarch64

* testsuite/ld-elf/shared.exp (mix_pic_and_non_pic): Add xfails.
Xfail mix_pic_and_non_pic on "arm*-*-*" "aarch64*-*-*".

8 years agoCall enqueue_pending_signal in linux_resume_one_lwp_throw
Yao Qi [Wed, 2 Mar 2016 17:27:58 +0000 (17:27 +0000)]
Call enqueue_pending_signal in linux_resume_one_lwp_throw

Replace the code which is exactly what enqueue_pending_signal does.

gdb/gdbserver:

2016-03-02  Yao Qi  <yao.qi@linaro.org>

* linux-low.c (linux_resume_one_lwp_throw): Replace code with
enqueue_pending_signal.

8 years ago[OBV] gdbserver: Only write ipa_tdesc_idx if agent is actually loaded.
Marcin Kościelnicki [Wed, 2 Mar 2016 16:18:29 +0000 (17:18 +0100)]
[OBV] gdbserver: Only write ipa_tdesc_idx if agent is actually loaded.

Fixes rather embarassing gdb.trace regressions.

gdb/gdbserver/ChangeLog:

* tracepoint.c (cmd_qtstart): Only set ipa_tdesc_idx if agent
is actually loaded.

8 years agotestsuite: Remove unnecessary code in fortran vla-history test.
Bernhard Heckel [Wed, 2 Mar 2016 15:38:53 +0000 (16:38 +0100)]
testsuite: Remove unnecessary code in fortran vla-history test.

testsuite: Remove unnecessary code in fortran vla-history test.

2016-03-02  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/testsuite/Changelog:

     * gdb.fortran/vla-history.exp: Remove breakpoint.

8 years agotestsuite: Fix timeout issues during print of vla-arrays.
bernhard.heckel [Wed, 2 Mar 2016 15:34:57 +0000 (16:34 +0100)]
testsuite: Fix timeout issues during print of vla-arrays.

Printing and resolving of dynamic array's causes sporadic timeout issues on loaded systems.

2016-03-02  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/testsuite/Changelog:

     * gdb.fortran/vla-history.exp: Lookup array elements and printing exceeds timeout.

8 years agotestsuite: Fix run to main issue introduced by GCC 5.x.
bernhard.heckel [Wed, 2 Mar 2016 15:31:00 +0000 (16:31 +0100)]
testsuite: Fix run to main issue introduced by GCC 5.x.

Adding a dummy assignment as a new breakpoint anchor because
breakpoint on return statement doesn't work for GCC 5.x.

2016-03-02  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/testsuite/Changelog:

     * gdb.cp/vla-cxx.cc: Insert dummy assignment as anchor for an breakpoint.

8 years agotestsuite: Nullify pointers before first usage.
Bernhard Heckel [Wed, 2 Mar 2016 15:36:37 +0000 (16:36 +0100)]
testsuite: Nullify pointers before first usage.

Nullify pointers to avoid an undefined association status.

2016-03-02  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/testsuite/Changelog:

     * gdb.mi/vla.f90: Nullify pointer after declaration.

8 years agoAdd new maintainer to Write After Approval.
Bernhard Heckel [Wed, 2 Mar 2016 14:40:27 +0000 (15:40 +0100)]
Add new maintainer to Write After Approval.

Add new maintainer to Write After Approval.

2016-03-02  Bernhard Heckel  <bernhard.heckel@intel.com>

    * MAINTAINERS (Write After Approval): Add Bernhard Heckel.

8 years agoFix detection of gfortran compilers.
Bernhard Heckel [Wed, 2 Mar 2016 14:30:05 +0000 (15:30 +0100)]
Fix detection of gfortran compilers.

Newer gfortran compilers changed naming convention in DW_AT_producer tag.
For example "GNU Fortran 4.6.3" vs "GNU Fortran2008 5.3.0"

2016-03-02  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/Changelog:

     * dwarf2read.c (new_symbol_full): Fix detection of gfortran compilers.

8 years agoRegenerate or1k opcodes file
Alan Modra [Wed, 2 Mar 2016 13:50:27 +0000 (00:20 +1030)]
Regenerate or1k opcodes file

CGEN patch now committed upstream to use hex numbers for large enums.

* or1k-desc.h: Regenerate.

8 years agoAdjust testsuite/gas/i386/x86_64-intel.d for COFF
H.J. Lu [Wed, 2 Mar 2016 13:15:32 +0000 (05:15 -0800)]
Adjust testsuite/gas/i386/x86_64-intel.d for COFF

* testsuite/gas/i386/x86_64-intel.d: Adjusted for COFF.

8 years agoSpeedup mmo and pe orphan placement for relocatable link
H.J. Lu [Wed, 2 Mar 2016 13:05:42 +0000 (05:05 -0800)]
Speedup mmo and pe orphan placement for relocatable link

Since there is no need to place output sections in specific order for
relocatable link, we can skip merging flags of other input sections.

PR ld/19739
* emultempl/mmo.em (mmo_place_orphan): Don't merge flags of other
input sections for relocatable link.
* emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Likewise.
* emultempl/pep.em (gld_${EMULATION_NAME}_place_orphan): Likewise.

8 years agoRegenerate rl78 opcodes file
Alan Modra [Wed, 2 Mar 2016 02:11:01 +0000 (12:41 +1030)]
Regenerate rl78 opcodes file

For newer comments.

* rl78-decode.c: Regenerate.

8 years agoRegenerate bfd files.
Alan Modra [Tue, 1 Mar 2016 22:32:30 +0000 (09:02 +1030)]
Regenerate bfd files.

* Makefile.in: Regenerate.
* po/SRC-POTFILES.in: Regenerate.

8 years agoFix shift left warning at source
Alan Modra [Tue, 1 Mar 2016 22:28:07 +0000 (08:58 +1030)]
Fix shift left warning at source

cpu/
* fr30.cpu (f-m4): Replace -1 << 4 with -16.
opcodes/
* fr30-ibld.c: Regenerate.

8 years agoAutomatic date update in version.in
GDB Administrator [Wed, 2 Mar 2016 00:00:20 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoUpdate PR ld/12365 test for GCC 6
H.J. Lu [Tue, 1 Mar 2016 20:39:49 +0000 (12:39 -0800)]
Update PR ld/12365 test for GCC 6

PR ld/12365 test is to verify that linker catches the reference to
undefined symbol error caused by a GCC bug.  Since the GCC bug has
been fixed in GCC 6, update the test to verify that there is no
reference to undefined symbol in executable

* testsuite/ld-plugin/lto.exp: Update PR ld/12365 test for GCC 6.

8 years agoFix gdb.trace/ftrace-lock.c compilation
Pedro Alves [Tue, 1 Mar 2016 17:42:47 +0000 (17:42 +0000)]
Fix gdb.trace/ftrace-lock.c compilation

Fixes, on F23:

 .../src/gdb/testsuite/gdb.trace/ftrace-lock.c: In function 'gdb_agent_gdb_collect':
 .../src/gdb/testsuite/gdb.trace/ftrace-lock.c:50:3: warning: implicit declaration of function 'sleep' [-Wimplicit-function-declaration]
    sleep (1);
    ^

gdb/testsuite/ChangeLog:
2016-03-01  Pedro Alves  <palves@redhat.com>

* gdb.trace/ftrace-lock.c: Include <unistd.h>.

8 years agoFix gdb.threads/watchpoint-fork*.c compilation
Pedro Alves [Tue, 1 Mar 2016 17:25:56 +0000 (17:25 +0000)]
Fix gdb.threads/watchpoint-fork*.c compilation

This testcase currently fails to compile on Fedora 23:

 .../src/gdb/testsuite/gdb.threads/watchpoint-fork-mt.c: In function 'start':
 .../src/gdb/testsuite/gdb.threads/watchpoint-fork-mt.c:70:11: warning: implicit declaration of function 'pthread_yield' [-Wimplicit-function-declaration]
i = pthread_yield ();
    ^
 .../src/gdb/testsuite/gdb.threads/watchpoint-fork-child.c: In function 'forkoff':
 .../src/gdb/testsuite/gdb.threads/watchpoint-fork-child.c:114:8: warning: implicit declaration of function 'pthread_yield' [-Wimplicit-function-declaratio
 n]
     i = pthread_yield ();
 ^
 /tmp/ccUkNIsI.o: In function `start':
 .../src/gdb/testsuite/gdb.threads/watchpoint-fork-mt.c:70: undefined reference to `pthread_yield'
 (...)
 collect2: error: ld returned 1 exit status

 UNSUPPORTED: gdb.threads/watchpoint-fork.exp: child: multithreaded: Couldn't compile watchpoint-fork-child.c: unrecognized error
 UNTESTED: gdb.threads/watchpoint-fork.exp: child: multithreaded: watchpoint-fork.exp
 testcase .../src/gdb/testsuite/gdb.threads/watchpoint-fork.exp completed i

The glibc manual says, on _GNU_SOURCE:

 "You should define these macros by using ‘#define’ preprocessor
 directives at the top of your source code files. These directives must
 come before any #include of a system header file."

I instead put it in the header all the .c files of the testcase must
include anyway.

gdb/testsuite/ChangeLog:
2016-03-01  Pedro Alves  <palves@redhat.com>

* gdb.threads/watchpoint-fork-child.c: Include "watchpoint-fork.h"
before anything else.
* gdb.threads/watchpoint-fork-mt.c: Likewise.  Don't define
_GNU_SOURCE here.
* gdb.threads/watchpoint-fork-st.c: Include "watchpoint-fork.h"
before anything else.
* gdb.threads/watchpoint-fork.h: Define _GNU_SOURCE.

8 years agoFix gdb.base/catch-fork-kill.c compilation
Pedro Alves [Tue, 1 Mar 2016 17:11:57 +0000 (17:11 +0000)]
Fix gdb.base/catch-fork-kill.c compilation

Fixes:

 Running .../src/gdb/testsuite/gdb.base/catch-fork-kill.exp ...
 gdb compile failed, .../src/gdb/testsuite/gdb.base/catch-fork-kill.c: In function 'main':
 .../src/gdb/testsuite/gdb.base/catch-fork-kill.c:81:4: warning: implicit declaration of function 'wait' [-Wimplicit-function-declaration]
     wait (NULL);
     ^

gdb/testsuite/ChangeLog:
2016-03-01  Pedro Alves  <palves@redhat.com>

* gdb.base/catch-fork-kill.c: Include <sys/wait.h>.

8 years agoSkip ld-elf/pr19162.d for arc target
H.J. Lu [Tue, 1 Mar 2016 16:10:55 +0000 (08:10 -0800)]
Skip ld-elf/pr19162.d for arc target

* testsuite/ld-elf/pr19162.d: Skip arc target.

8 years agoFix output path for arm-disp-step.exp
Yao Qi [Tue, 1 Mar 2016 15:15:58 +0000 (15:15 +0000)]
Fix output path for arm-disp-step.exp

This patch fixes the following error,

ERROR: (/scratch/yao/gdb/build-git/arm-linux-gnueabihf/gdb/testsuite/outputs/gdb.arch/arm-disp-step/arm-disp-step) No such file or directory
FAIL: gdb.arch/arm-disp-step.exp: Can't run to main

gdb/testsuite:

2016-03-01  Yao Qi  <yao.qi@linaro.org>

* gdb.arch/arm-disp-step.exp: Use standard_testfile and
prepare_for_testing.

8 years agoCompile gdb.arch/arm-neon.c with "quiet"
Yao Qi [Tue, 1 Mar 2016 15:07:34 +0000 (15:07 +0000)]
Compile gdb.arch/arm-neon.c with "quiet"

When we compile gdb.arch/arm-neon.c with options that don't enable NEON,
there are many error/warnings emitted into gdb.sum, which is annoying.
This patch fixes it by passing quiet to prepare_for_testing.

gdb/testsuite:

2016-03-01  Yao Qi  <yao.qi@linaro.org>

* gdb.arch/arm-neon.exp: Pass quiet to prepare_for_testing.

8 years agoSpeedup ELF orphan placement for relocatable link
H.J. Lu [Mon, 29 Feb 2016 19:04:22 +0000 (11:04 -0800)]
Speedup ELF orphan placement for relocatable link

Since there is no need to place output sections in specific order for
relocatable link, we can skip merging flags of other input sections.

PR ld/19739
* ld/emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Don't
merge flags of other input sections for relocatable link.

8 years agoS390: Fix output path for s390-tdbregs test case
Andreas Arnez [Tue, 1 Mar 2016 11:43:55 +0000 (12:43 +0100)]
S390: Fix output path for s390-tdbregs test case

Since test artifacts are always organized in a directory hierarchy, the
s390-tdbregs test case is not executed correctly any more.  This is
because it uses an obsolete way of constructing the executable's path.

This change invokes prepare_for_testing instead.

gdb/testsuite/ChangeLog:

* gdb.arch/s390-tdbregs.exp: Use prepare_for_testing instead of
manually constructing the output path.

8 years agoS390: Fix internal error with stackless inferior
Andreas Arnez [Tue, 1 Mar 2016 11:43:55 +0000 (12:43 +0100)]
S390: Fix internal error with stackless inferior

This fixes a GDB internal error that may occur when the inferior has no
valid stack pointer in r15.

gdb/testsuite/ChangeLog:

* gdb.arch/s390-stackless.S: New.
* gdb.arch/s390-stackless.exp: New.

gdb/ChangeLog:

* s390-linux-tdep.c (s390_backchain_frame_unwind_cache): Avoid
exception when attempting to access the inferior's backchain.

8 years agoFix typo in print_insn_rl78_common function.
Nick Clifton [Tue, 1 Mar 2016 10:52:24 +0000 (10:52 +0000)]
Fix typo in print_insn_rl78_common function.

PR target/19747
* rl78-dis.c (print_insn_rl78_common): Fix typo.

8 years agoAutomatic date update in version.in
GDB Administrator [Tue, 1 Mar 2016 00:00:09 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoAdd a testcase for PR ld/19162
H.J. Lu [Mon, 29 Feb 2016 18:37:59 +0000 (10:37 -0800)]
Add a testcase for PR ld/19162

PR ld/19162
* testsuite/ld-elf/pr19162.d: New file.
* testsuite/ld-elf/pr19162a.s: Likwise.
* testsuite/ld-elf/pr19162b.s: Likwise.

8 years agoaarch64-linux process record: more syscalls
Yao Qi [Fri, 19 Feb 2016 15:54:03 +0000 (15:54 +0000)]
aarch64-linux process record: more syscalls

The last patch supports several syscalls in linux-record.c, so now
GDB aarch64-linux backend can return these canonicalized syscall numbers
per aarch64 syscall number.

This patch fixes the following fails,

Process record and replay target doesn't support syscall number 59^M
Process record: failed to record execution log.^M
^M
Program stopped.^M
0x00000020000eab28 in pipe () from /lib/aarch64-linux-gnu/libc.so.6^M
(gdb) FAIL: gdb.reverse/pipe-reverse.exp: continue to breakpoint: marker2

Process record and replay target doesn't support syscall number 59^M
Process record: failed to record execution log.^M
^M
Program stopped.^M
0x00000020000eab28 in pipe () from /lib/aarch64-linux-gnu/libc.so.6^M
(gdb) FAIL: gdb.reverse/readv-reverse.exp: continue to breakpoint: marker2

gdb:

2016-02-29  Yao Qi  <yao.qi@linaro.org>

* aarch64-linux-tdep.c (aarch64_canonicalize_syscall): Support
eventfd2, eventfd2, dup3, inotify_init1, fallocate and pipe2.
Return gdb_sys_epoll_create1 instead of gdb_sys_epoll_create
for aarch64_sys_epoll_create1.

8 years agoSupport more syscalls in linux-record: pipe2 epoll_create1 eventfd2 fallocate dup3...
Yao Qi [Fri, 19 Feb 2016 15:51:03 +0000 (15:51 +0000)]
Support more syscalls in linux-record: pipe2 epoll_create1 eventfd2 fallocate dup3 and inotify_init1

This patch adds more syscalls in linux-record.

gdb:

2016-02-29  Yao Qi  <yao.qi@linaro.org>

* linux-record.h (enum gdb_syscall) <gdb_sys_fallocate>: New.
<gdb_sys_eventfd2, gdb_sys_epoll_create1, gdb_sys_dup3>: New.
<gdb_sys_pipe2, gdb_sys_inotify_init1>: New.
* linux-record.c (record_linux_system_call): Handle them.

8 years ago[ARC] Local symbols relocation cleanup
Claudiu Zissulescu [Mon, 29 Feb 2016 15:51:11 +0000 (16:51 +0100)]
[ARC] Local symbols relocation cleanup

bfd/
2016-02-29  Cupertino Miranda  <cmiranda@synopsys.com>

* elf32-arc.c (elf_arc_relocate_section): Added rules to fix the
relocation addend when sections get merged.

gas/
2016-02-29  Cupertino Miranda  <cmiranda@synopsys.com>
    Claudiu Zissulescu  <Claudiu.Zissulescu@synopsys.com>

        * config/tc-arc.c (arc_extra_reloc): Change size to 0.
        (tc_arc_fix_adjustable): Changed default return value to 1.
        * testsuite/gas/arc/j.d: Updated expected symbol
        * testsuite/gas/arc/jl.d: Likewise
        * testsuite/gas/arc/relax-avoid1.d: Likewise
        * testsuite/gas/arc/st.d: Likewise

ld/
2016-02-29 Cupertino Miranda  <cmiranda@synopsys.com>

* testsuite/ld-elf/merge.d: Removed xfail for ARC.
* testsuite/ld-elf/merge2.d: Likewise.
* testsuite/ld-elf/merge3.d: Likewise.

8 years ago[ARC] General fixes.
Claudiu Zissulescu [Mon, 29 Feb 2016 15:07:48 +0000 (16:07 +0100)]
[ARC] General fixes.

bfd/
2016-02-29  Cupertino Miranda <Cupertino.Miranda@synopsys.com>

* elf32-arc.c (arc_elf_final_write_processing): Add condition to
the flag change.
        (elf_arc_relocate_section): Fixes and conditions to support PIE.
Assert for code sections dynamic relocs.

gas/
2016-02-29  Claudiu Zissulescu  <Claudiu.Zissulescu@synopsys.com>

* config/tc-arc.c: Enable code density instructions for ARC EM.

ld/
2016-02-29  Cupertino Miranda  <Cupertino.Miranda@synopsys.com>

* scripttempl/arclinux.sc: Force .tdata and .tbss to always be
generated.

8 years agoAutomatic date update in version.in
GDB Administrator [Mon, 29 Feb 2016 00:00:18 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoDon't recursively look for a symbol in all imports of imported modules.
Iain Buclaw [Sun, 28 Feb 2016 09:25:55 +0000 (10:25 +0100)]
Don't recursively look for a symbol in all imports of imported modules.

Given two or more modules that import each other's scope, the current symbol
lookup routines would go round in circles looking through each import from
each module, possibly checking the same module twice or more until all possible
paths are marked as "searched".

Given enough modules, this causes an exponential slowdown in time taken to find
symbols that do exist, and infinite recursion when they don't.

gdb/ChangeLog:
* d-namespace.c (d_lookup_symbol_imports): Avoid recursive lookups from
cyclic imports.

gdb/testsuite/ChangeLog:
* gdb.dlang/circular.c: New file.
* gdb.dlang/circular.exp: New file.