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When reading objects with corrupt debug information it is possible that
the sibling chain can form a loop, which leads to an infinite loop and
memory exhaustion.
Avoid this situation by disregarding and DW_AT_sibling values that point
to a lower address than the current entry.
gdb/ChangeLog:
2013-11-06 Will Newton <will.newton@linaro.org>
PR gdb/12866
* dwarf2read.c (skip_one_die): Sanity check DW_AT_sibling
values. (read_partial_die): Likewise.
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This reverts commit dd99d3d15a7d8f41e139dea7871c4fe44cd4b616.
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PR cli/15224
* top.c (init_main): 'set history save on' by default.
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When Bash is started non-interactively, it runs the script pointed by
the BASH_ENV environment variable, not .bashrc. While at it, mention
Z shell in the warning too, and mention non-interactive mode
explicitly.
gdb/doc/
2013-11-06 Pedro Alves <palves@redhat.com>
* gdb.texinfo (Starting) <set/show startup-with-shell>: Mention
non-interactive mode.
(Environment) <shell startup files warning>: Mention
non-interactive mode. Mention .zshenv for Z shell, and talk about
BASH_ENV instead of .bashrc for BASH.
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PR cli/16122
* top.c (command_line_input): Unify interactivity tests to use
input_from_terminal_p.
* event-top.c (command_line_handler): Likewise.
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This patch is to add a test case to on the performance of GDB handling
load and unload of shared library.
In V4:
- Handle malloc and dlopen failure,
- Document test parameters.
In V3, there are some changes,
- Adapt to perf test framework changes.
- Measure load and unload separately.
In V2, there are some changes,
- A new proc gdb_produce_source to produce source files. I tried to
move all source file generation code out of solib.exp, but
compilation step still needs to know the generated file names. I
have to hard-code the file names in compilation step, which is not
good to me, so I give up on this moving.
- SOLIB_NUMBER -> SOLIB_COUNT
- New variable SOLIB_DLCLOSE_REVERSED_ORDER to control the order of
iterating a list of shared libs to dlclose them.
- New variable GDB_PERFORMANCE to enable these perf test cases.
- Remove dlsym call in solib.c.
- Update solib.py for the updated framework.
gdb/testsuite/
* lib/gdb.exp (gdb_produce_source): New procedure.
* gdb.perf/solib.c: New.
* gdb.perf/solib.exp: New.
* gdb.perf/solib.py: New.
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gdb/testsuite:
2013-11-06 Yao Qi <yao@codesourcery.com>
* README: Mention performance tests.
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This patch adds a basic framework to do performance testing for GDB.
perftest.py is about the test case, testresult.py is about test
results, and how are they saved. reporter.py is about how results
are reported (in what format). measure.py is about measuring the
execution of tests by a collection of measurements.
In V5:
- Simplify perftest.exp.
In V4:
- Rename MeasurementCPUTime to MeasurementCpuTime,
- Add 'pass' in empty method,
- Simplify string comparison in perftest.exp.
- Rename GDB_PERFORMANCE to GDB_PERFTEST_MODE and rename
GDB_PERFORMANCE_TIMEOUT to GDB_PERFTEST_TIMEOUT.
In V3, there are some changes,
- Add wall time measurement, cpu time measurement and vmsize
measurement.
- Rename SingleStatisticTestCase to TestCaseWithBasicMeasurements,
which measures cpu time, wall time, and memory (vmsize).
- GDB_PERFORMANCE=run|compile|both to control the mode of perf
testing.
- New GDB_PERFORMANCE_TIMEOUT to specify the timeout.
- Split proc prepare to proc compile and startup.
- Disable GC while doing measurements.
In V2, there are several changes to address Doug and Sanimir's
comments.
- Add copyright header and docstring in perftest/__init__.py
- Remove config.py.
- Fix docstring format.
- Rename classes "SingleVariable" to "SingleStatistic".
- Don't extend gdb.Function in class TestCase. Add a new method run
to run the test case so that we can pass parameters to test.
- Allow to customize whether to warm up and to append test log.
- Move time measurement into test harness. Add a new class
Measurement for a specific measurement and a new class Measure to
measure them for a given test case.
- A new class ResultFactory to create instances of TestResult.
- New file lib/perftest.exp, which is to do some preparations and
cleanups to simplify each *.exp file.
- Skip compilation step if GDB_PERFORMANCE_SKIP_COMPILE is set.
gdb/testsuite/
2013-11-06 Yao Qi <yao@codesourcery.com>
* lib/perftest.exp: New.
* gdb.perf/lib/perftest/__init__.py: New.
* gdb.perf/lib/perftest/measure.py: New.
* gdb.perf/lib/perftest/perftest.py: New.
* gdb.perf/lib/perftest/reporter.py: New.
* gdb.perf/lib/perftest/testresult.py: New.
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We add a new dir gdb.perf in testsuite for all performance tests.
However, current 'make check' logic will either run dejagnu in
directory testsuite or iterate all gdb.* directories which has *.exp
files. Both of them will run tests in gdb.perf. We want to achieve:
1) typical 'make check' should not run performance tests. In each perf
test case, GDB_PERFTEST_MODE is checked. If it doesn't exist, return.
2) run perf tests easily. We add a new makefile target 'check-perf'.
gdb:
2013-11-06 Yao Qi <yao@codesourcery.com>
* Makefile.in (check-perf): New target.
gdb/testsuite:
2013-11-06 Yao Qi <yao@codesourcery.com>
* Makefile.in (check-perf): New target.
* configure.ac (AC_OUTPUT): Output Makefile in gdb.perf.
* configure: Re-generated.
* gdb.perf/Makefile.in: New.
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are loaded before trying to use them.
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* config/tc-aarch64.c (parse_sys_reg): Update to use aarch64_sys_reg;
call aarch64_sys_reg_deprecated_p and warn about the deprecated
system registers.
gas/testsuite/
* gas/aarch64/deprecated.d: New file.
* gas/aarch64/deprecated.l: New file.
* gas/aarch64/deprecated.s: New file.
* gas/aarch64/sysreg-1.s: Add tests.
* gas/aarch64/sysreg-1.d: Add tests.
include/opcode/
* aarch64.h (aarch64_sys_reg): New typedef.
(aarch64_sys_regs): Change to define with the new type.
(aarch64_sys_reg_deprecated_p): Declare.
opcodes/
* aarch64-opc.c (F_DEPRECATED): New macro.
(aarch64_sys_regs): Update; flag "spsr_svc" and "spsr_hyp" with
F_DEPRECATED.
(aarch64_print_operand): Call aarch64_sys_reg_deprecated_p on
AARCH64_OPND_SYSREG.
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* config/tc-aarch64.c (parse_operands): Handle AARCH64_OPND_COND1.
gas/testsuite/
* gas/aarch64/alias.s: Add tests.
* gas/aarch64/alias.d: Update.
* gas/aarch64/no-aliases.d: Update.
* gas/aarch64/diagnostic.s: Add tests.
* gas/aarch64/diagnostic.l: Update.
* gas/aarch64/illegal.s: Add tests.
* gas/aarch64/illegal.l: Update.
include/opcode/
* aarch64.h (enum aarch64_operand_class): Add AARCH64_OPND_CLASS_COND.
(enum aarch64_opnd): Add AARCH64_OPND_COND1.
opcodes/
* aarch64-dis.c (convert_ubfm_to_lsl): Check for cond != '111x'.
(convert_from_csel): Likewise.
* aarch64-opc.c (operand_general_constraint_met_p): Handle
AARCH64_OPND_CLASS_COND and AARCH64_OPND_COND1.
(aarch64_print_operand): Handle AARCH64_OPND_COND1.
* aarch64-tbl.h (aarch64_opcode_table): Use COND1 instead of
COND for cinc, cset, cinv, csetm and cneg.
(AARCH64_OPERANDS): Add entry for AARCH64_OPND_COND1.
* aarch64-asm-2.c: Re-generated.
* aarch64-dis-2.c: Ditto.
* aarch64-opc-2.c: Ditto.
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* aarch64-opc.c (set_syntax_error): New function.
(operand_general_constraint_met_p): Replace set_other_error
with set_syntax_error.
gas/testsuite/
* gas/aarch64/diagnostic.s: Add tests of ldp/stp.
* gas/aarch64/diagnostic.l: Update.
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bfd/
PR ld/4409
* elf-bfd.h (RELOC_FOR_GLOBAL_SYMBOL): Add an argument for
error ignored.
* elf-m10200.c (mn10200_elf_relocate_section): Updated.
* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
* elf32-arm.c (elf32_arm_relocate_section): Likewise.
* elf32-avr.c (elf32_avr_relocate_section): Likewise.
* elf32-bfin.c (bfinfdpic_relocate_section): Likewise.
(bfin_relocate_section): Likewise.
* elf32-cr16.c (elf32_cr16_relocate_section): Likewise.
* elf32-cr16c.c (elf32_cr16c_relocate_section): Likewise.
* elf32-cris.c (cris_elf_relocate_section): Likewise.
* elf32-crx.c (elf32_crx_relocate_section): Likewise.
* elf32-d10v.c (elf32_d10v_relocate_section): Likewise.
* elf32-epiphany.c (epiphany_elf_relocate_section): Likewise.
* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
* elf32-frv.c (elf32_frv_relocate_section): Likewise.
* elf32-h8300.c (elf32_h8_relocate_section): Likewise.
* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
* elf32-i386.c (elf_i386_relocate_section): Likewise.
* elf32-i860.c (elf32_i860_relocate_section): Likewise.
* elf32-ip2k.c (ip2k_elf_relocate_section): Likewise.
* elf32-iq2000.c (iq2000_elf_relocate_section): Likewise.
* elf32-lm32.c (lm32_elf_relocate_section): Likewise.
* elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Likewise.
* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
* elf32-metag.c (elf_metag_relocate_section): Likewise.
* elf32-microblaze.c (microblaze_elf_relocate_section): Likewise.
* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
* elf32-mep.c (mep_elf_relocate_section): Likewise.
* elf32-moxie.c (moxie_elf_relocate_section): Likewise.
* elf32-msp430.c (elf32_msp430_relocate_section): Likewise.
* elf32-mt.c (mt_elf_relocate_section): Likewise.
* elf32-nios2.c (nios2_elf32_relocate_section): Likewise.
* elf32-openrisc.c (openrisc_elf_relocate_section): Likewise.
* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
* elf32-rl78.c (rl78_elf_relocate_section): Likewise.
* elf32-rx.c (rx_elf_relocate_section): Likewise.
* elf32-tic6x.c (elf32_tic6x_relocate_section): Likewise.
* elf32-tilepro.c (tilepro_elf_relocate_section): Likewise.
* elf32-s390.c (elf_s390_relocate_section): Likewise.
* elf32-v850.c (v850_elf_relocate_section): Likewise.
* elf32-vax.c (elf_vax_relocate_section): Likewise.
* elf32-xc16x.c (elf32_xc16x_relocate_section): Likewise.
* elf32-xstormy16.c (xstormy16_elf_relocate_section): Likewise.
* elf32-xtensa.c (elf_xtensa_relocate_section): Likewise.
* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
* elf64-ia64-vms.c (elf64_ia64_relocate_section): Likewise.
* elf64-mmix.c (mmix_elf_relocate_section): Likewise.
* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
* elf64-s390.c (elf_s390_relocate_section): Likewise.
* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_relocate_section): Likewise.
* elfxx-tilegx.c (tilegx_elf_relocate_section): Likewise.
* elfnn-aarch64.c (elfNN_aarch64_relocate_section): Likewise.
* elfnn-ia64.c (elfNN_ia64_relocate_section): Skip if error
from RELOC_FOR_GLOBAL_SYMBOL in executable is ignored.
ld/testsuite/
PR ld/4409
* ld-ia64/error1.d: New file.
* ld-ia64/error1.s: Likewise.
* ld-ia64/error2.d: Likewise.
* ld-ia64/error3.d: Likewise.
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Parsing a vector mov instruction currently leads to a phantom undefined
symbol being added to the symbol table. e.g.:
.text
mov x0, v0.D[0]
Produces an undefined symbol called "v0.D".
gas/ChangeLog:
2013-11-05 Will Newton <will.newton@linaro.org>
PR gas/16103
* config/tc-aarch64.c (parse_operands): Avoid trying to
parse a vector register as an immediate.
gas/testsuite/ChangeLog:
2013-11-05 Will Newton <will.newton@linaro.org>
* gas/aarch64/advsimd-mov-bad.d: New file.
* gas/aarch64/advsimd-mov-bad.s: Likewise.
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gdb/ChangeLog:
2013-11-05 Will Newton <will.newton@linaro.org>
PR gdb/7670
* arm-tdep.c (print_fpu_flags): Use filtered output routines.
(arm_print_float_info): Likewise.
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I can't see any good reason why anyone would want a dynamic .TOC., so
hide it in a way that is respected by _bfd_elf_export_symbol. This
also fixes an abort in relocate_section on not finding sreloc for .TOC.
* elf64-ppc.c (ppc64_elf_func_desc_adjust): Make .TOC. defined and
hidden.
(ppc64_elf_set_toc): Adjust.
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These shortcuts to dynamic sections in ppc_link_hash_table predated
their geneneric elf hash table equivalents.
* elf64-ppc.c (struct ppc_link_hash_table): Remove got, plt, relplt,
iplt, reliplt. Update all references to use elf.sgot, elf.splt,
elf.srelplt, elf.iplt and elf.irelplt.
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This switches "make check" to fully parallel mode.
One primary issue facing full parallelization is the overhead of
"runtest". On my machine, if I "touch gdb.base/empty.exp", making a
new file, and then "time runtest.exp", it takes 0.08 seconds.
Multiply this by the 1008 (in my configuration) tests and you get ~80
seconds. This is the overhead that would theoretically be present if
all tests were run in parallel.
However, the problem isn't nearly as bad as this, for two reasons.
First, you must divide by the number of jobs, assuming perfect
parallelization -- reasonably true for small -j numbers, based on the
results I see.
Second, the current test suite parallelization approach bundles the
tests, largely by directory, but also splitting up gdb.base into two
halves.
I was curious to see how the current bundling played out in practice,
so I ran "make -j1 check RUNTEST='/bin/time runtest'". This invokes
the parallel mode (thus the bundling) and then shows the time taken by
each invocation of runtest.
Then, I ran "/bin/time make -j3 check". (See below about -j2.)
The time for the entire -j3 test run was the same as the time for
"gdb.base1". What this means is that gdb.base1 is currently the
time-limiting run, preventing further parallelization gains.
So, I reason, whatever overhead we see from full parallelization will
only be seen by "-j1" and "-j2".
I then tried a -j2 test run. This does take longer than a -j3 build,
meaning that the gdb.base1 job finishes and then proceeds to other
runtest invocations.
Finally I tried a -j2 test run with the appended patch.
This was 9% slower than the -j2 run without the patch.
I think that is a reasonable slowdown for what is probably a rare
case. I believe this patch will yield faster test results for all -j
values greater than 2. For -j3 on my machine, the test suite is a few
seconds faster; I didn't try any larger -j values.
For -j1, I went ahead and changed the Makefile so that, if no -j
option is given, then the "check-single" mode is used. You can still
use "make -j1 check" to get single-job parallel-mode, though of course
there's no good reason to do so.
This change is likely to speed up the plain "make check" scenario a
little as we will now bypass dg-extract-results.sh.
One drawback of this change is that "make -jN check" is now much more
verbose. I generally only look at the .sum and .log files, but
perhaps this will bother some.
Another interesting question is scalability of the result. The
slowest test, which limits the scalability, took 80.78 seconds. The
mean of the remaining tests is 1.08 seconds. (Note that this is just
a rough estimate, since there are still outliers.)
This means we can run 80.78 / 1.08 =~ 74 tests in the time available.
And, in this data set (slightly older than the above, but materially
the same) there were 948 tests. So, I think the current test suite
should scale ok up to about -j12.
We could improve this number if need be by breaking up the biggest
tests.
2013-11-04 Tom Tromey <tromey@redhat.com>
* Makefile.in (TEST_DIRS): Remove.
(TEST_TARGETS, check-parallel): Rewrite.
(check-gdb.%, BASE1_FILES, BASE2_FILES, check-gdb.base%)
(subdir_do, subdirs): Remove.
(do-check-parallel, check/%): New targets.
(clean): Remove outputs, temp, and cache directories.
(saw_dash_j): New variable.
(CHECK_TARGET): Use it.
(check): Depend on all, site.exp. Rewrite.
(check-single): Remove dependencies.
(slow_tests, all_tests, reordered_tests): New variables.
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A couple of Fission tests rely on the current directory layout. This
assumption is not valid in parallel mode.
This patch fixes the problem by removing the relative directory from
the .S files and instead having the tests set debug-file-directory
before opening the main file.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.dwarf2/fission-base.S: Remove "gdb.dwarf/".
* gdb.dwarf2/fission-base.exp: Set debug-file-directory
before loading binfile.
* gdb.dwarf2/fission-loclists.S: Remove "gdb.dwarf/".
* gdb.dwarf2/fission-loclists.exp: Set debug-file-directory
before loading binfile.
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A few tests run an inferior that execs some other program. The name
of this exec'd program is compiled in. These tests assume the current
test suite directory layout, but fail in parallel mode.
This patch fixes these tests by letting the .exp files pass in the
directory names at compile time.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.base/foll-exec.c (main): Use BASEDIR.
* gdb.base/foll-exec.exp: Define BASEDIR during compilation.
* gdb.base/foll-vfork.c (main): Use BASEDIR.
* gdb.base/foll-vfork.exp: Define BASEDIR during compilation.
* gdb.multi/bkpt-multi-exec.c (main): Use BASEDIR.
* gdb.multi/bkpt-multi-exec.exp: Define BASEDIR during compilation.
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argv0-symlink.exp doesn't work properly if standard_output_file puts
files into a per-test subdirectory. That's because it assumes that
files appear in $subdir, which is no longer true.
This patch fixes the problem by computing the correct directory at
runtime.
Tested both with and without GDB_PARALLEL on x86-64 Fedora 18.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.base/argv0-symlink.exp: Compute executable's directory
dynamically.
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This fixes gdb.asm to be parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.asm/asm-source.exp: Use standard_output_file.
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This fixes gdb.server to be parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.server/file-transfer.exp: Use standard_output_file.
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This introduces a new relative_filename proc to gdb.exp and changes
some tests to use it. This helps make these tests parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.base/fullname.exp: Use standard_output_file,
relative_filename.
* gdb.base/hashline1.exp: Use standard_testfile,
standard_output_file, relative_filename, clean_restart.
* gdb.base/hashline2.exp: Use standard_testfile,
standard_output_file.
* gdb.base/hashline3.exp: Use standard_testfile,
standard_output_file, relative_filename.
* lib/gdb.exp (relative_filename): New proc.
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This updates the fileio test to be parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.base/fileio.c (test_open, test_write, test_read)
(test_lseek, test_close, test_stat, test_fstat)
(test_isatty, test_system, test_rename, test_unlink):
Use OUTDIR define.
* gdb.base/fileio.exp: Define OUTDIR during compilation.
Use standard_output_file.
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This fixes the "checkpoint" test to use the standard output directory.
This makes the test be parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.base/checkpoint.c (main): Use PI_TXT and COPY1_TXT
defines.
* gdb.base/checkpoint.exp: Define PI_TXT and COPY1_TXT during
compilation. Use prepare_for_testing, standard_output_file.
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This makes more changes in gdb.base to make it parallel-safe. I think
the changes in this particular patch are relatively straightforward,
so I've grouped them all together.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.base/advance.exp: Use standard_testfile and
prepare_for_testing.
* gdb.base/bigcore.exp: Use standard_output_file. "cd" to
appropriate directory when local.
* gdb.base/dump.exp: Use standard_output_file. Update all
"dump" and "restore" filenames.
* gdb.base/interact.exp: Use standard_output_file.
* gdb.base/jit-so.exp: Don't download file when local.
* gdb.base/jit.exp (compile_jit_test): Don't download file
when local.
* gdb.base/list.exp: Use gdb_remote_download.
* gdb.base/maint.exp: Use standard_output_file.
* gdb.base/prelink.exp: Use standard_output_file.
* gdb.base/save-bp.exp: Use standard_output_file.
* gdb.base/sepdebug.exp: Use standard_testfile,
standard_output_file.
(test_different_dir): Don't declare objdir.
* gdb.base/solib-search.exp: Use standard_output_file.
* gdb.base/step-line.exp: Use gdb_remote_download.
* gdb.base/trace-commands.exp: Use standard_output_file.
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This fixes gdb.trace to be parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.trace/mi-traceframe-changed.exp: Pass -DTFILE_DIR
to compilation. Use standard_output_file.
(test_tfind_tfile): Update.
* gdb.trace/tfile.c (write_basic_trace_file)
(write_error_trace_file): Use TFILE_DIR.
* gdb.trace/tfile.exp: Pass -DTFILE_DIR to compilation. Use
standard_output_file.
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This fixes gdb.mi to be parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.mi/mi-cmd-param-changed.exp (test_command_param_changed):
Use "dwarf2 always-disassemble" for the "maint set" test.
* gdb.mi/mi-file-transfer.exp (test_file_transfer): Use
standard_output_file.
* gdb.mi/mi-logging.exp: Use standard_output_file.
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This fixes the gdb.xml tests to be parallel-safe.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.xml/tdesc-arch.exp: Use standard_output_file. Make
downloads conditional on remote host.
(set_arch): Likewise.
* gdb.xml/tdesc-regs.exp: Use gdb_remote_download.
(load_description): Use standard_output_file.
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This fixes the gdb.gdb tests to be parallel-safe, by ensuring that the
new "xgdb" file ends up in the standard output directory during the
tests.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.gdb/selftest.exp: Use standard_output_file.
* lib/selftest-support.exp (do_self_tests): Use
standard_output_file.
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This fixes up gdb.stabs/weird.exp for parallel testing. This just
means using gdb_remote_download and standard_output_file, so that the
tests end up in the right place.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.stabs/weird.exp: Use gdb_remote_download and
standard_output_file.
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This fixes some parallelization thinkos from a while ago. I'm not
sure how the problems ever slipped through. In addition to a thinko
fix in twice.exp, this also finishes fixing it up for parallelization.
2013-11-04 Tom Tromey <tromey@redhat.com>
* gdb.base/gcore-buffer-overflow.exp: Use
standard_output_file, not standard_testfile.
* gdb.base/twice.exp: Use standard_testfile, not
standard_output_file. Use gdb_remote_download.
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Currently a proc in gdb.exp toggles the expect (and thus dejagnu)
logging. This is not a super idea, but it is there to avoid putting
some preprocessor output into the log.
In the right circumstances, this can result in the log file being
mysteriously truncated. I think this happens because it doesn't
necessarily write to the correct log file again.
The fix is to use "log_file -info" to save the previous log file.
2013-11-04 Tom Tromey <tromey@redhat.com>
* lib/gdb.exp (get_compiler_info): Use log_file -info and
restore from that.
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Without this, constructs like "orw %rax, (%rax)" aren't being rejected
(other than any other wrong suffix/register combination).
gas/
2013-11-04 Jan Beulich <jbeulich@suse.com>
* config/tc-i386.c (check_long_reg): Correct comment indentation.
(check_qword_reg): Correct comment and its indentation.
(check_word_reg): Extend comment and correct its indentation. Also
check for 64-bit register.
gas/testsuite/
2013-11-04 Jan Beulich <jbeulich@suse.com>
* gas/i386/x86-64-suffix-bad.[sl]: New.
* gas/i386/i386.exp: Run new test.
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I noticed a large (100MB) restore took hours to complete. The problem
is memory_xfer_partial repeatedly mallocs and memcpys the entire
100MB buffer for breakpoint shadow handling only to find a small
portion of it is actually written.
The testcase that originally took hours now takes 50 seconds.
gdb/
2013-07-29 Anton Blanchard <anton@samba.org>
* target.c (memory_xfer_partial): Cap write to 4KB.
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This adds an extra flag for needs_dynamic_reloc() in order to remove
the copy of this function and use_plt_offset() in powerpc.cc, and
tweaks the powerpc get_reference_flags() to return the flag as
appropriate. ELFv2 does not want ELFv1 behaviour here.
* symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
(Symbol::needs_dynamic_reloc): Test new flag.
* powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
(Target_powerpc::Scan::get_reference_flags): Add target param.
Return FUNC_DESC_ABI for 64-bit ELFv1.
(Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
call.
(Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
(Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
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2013-11-03 Sandra Loosemore <sandra@codesourcery.com>
bfd/
* elf32-niso2.c (nios2_elf32_do_hi16_relocate): Remove incorrect
ATTRIBUTE_UNUSED from parameter.
(nios2_elf_do_lo16_relocate): Likewise.
(nios2_elf32_do_hiadj16_relocate): Likewise.
(nios2_elf32_do_pcrel_lo16_relocate): Likewise.
(nios2_elf32_do_pcrel_hiadj16_relocate): Likewise.
(nios2_elf32_do_pcrel16_relocate): Likewise.
(nios2_elf32_do_call26_relocate): Likewise.
(nios2_elf32_do_gprel_relocate): Likewise.
(nios2_elf32_do_ujmp_relocate): Likewise.
(nios2_elf32_do_cjmp_relocate): Likewise.
(nios2_elf32_do_callr_relocate): Likewise.
(nios2_elf32_gc_mark_hook): Likewise.
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Changing addis r2,r12,..; addi r2,r2,.. to lis r2,..; addi r2,r2..
in non-PIC executables has the benefit of removing a dependency on r12.
bfd/
* elf64-ppc.c (ppc64_elf_relocate_section): Edit global entry
prologue to non-PIC in non-PIC executables.
ld/testsuite/
* ld-powerpc/elfv2exe.d: Adjust for non-PIC global entry.
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In a non-pic executable, ELFv2 like other targets, needs to emit a plt
entry even for non-call references to functions defined in shared
libraries, and define the function on the plt code.
* elf64-ppc.c (ppc64_elf_copy_indirect_symbol): Copy
pointer_equality_needed flag.
(ppc64_elf_check_relocs): For ELFv2 arrange to emit plt
entries for references to functions in shared libraries on
non-call relocs.
(readonly_dynrelocs): Split into function of the same name and..
(maybe_set_textrel): ..this new function. Update call.
(ppc64_elf_adjust_dynamic_symbol): Don't emit dynrelocs for
ELFv2 in most cases if we have a plt entry. Use new
readonly_relocs.
(allocate_dynrelocs): For ELFv2, don't allocate dynreloc space
for ifunc in static executables.
(size_global_entry_stubs): New function.
(ppc64_elf_size_dynamic_sections): Call size_global_entry_stubs.
Save end of glink branch table.
(ppc64_elf_hash_symbol): New function.
(build_global_entry_stubs): New function.
(ppc64_elf_build_stubs): Call build_global_entry_stubs. Adjust
glink sizing.
(ppc64_elf_relocate_section): Tidy plt16/32/64 reloc code.
(ppc64_elf_finish_dynamic_symbol): For ELFv2, adjust symbols
defined on plt code.
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On PowerPC64 ELFv2 readelf emits [<localentry>: 8] describing extra
symbol st_other bits.
* ld-elfvers/vers24.rd: Allow extra readelf output after
symbol visibility.
* ld-ifunc/ifunc.exp: Likewise.
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* ld-scripts/crossref.exp: Don't allow changes made to CFLAGS
for this test to bleed into following tests. Don't set
-mcall-aixdesc for powerpc64le.
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