- 09 Nov, 2013 1 commit
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H.J. Lu authored
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- 08 Nov, 2013 3 commits
- 06 Nov, 2013 20 commits
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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H.J. Lu authored
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Will Newton authored
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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Muhammad Bilal authored
This reverts commit dd99d3d1.
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Muhammad Bilal authored
PR cli/15224 * top.c (init_main): 'set history save on' by default.
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Pedro Alves authored
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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Muhammad Bilal authored
PR cli/16122 * top.c (command_line_input): Unify interactivity tests to use input_from_terminal_p. * event-top.c (command_line_handler): Likewise. -
Yao Qi authored
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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Yao Qi authored
gdb/testsuite: 2013-11-06 Yao Qi <yao@codesourcery.com> * README: Mention performance tests.
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Yao Qi authored
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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Yao Qi authored
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. -
DJ Delorie authored
are loaded before trying to use them.
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- 05 Nov, 2013 9 commits
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Alan Modra authored
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Yufeng Zhang authored
* 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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Yufeng Zhang authored
* 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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Yufeng Zhang authored
* 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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H.J. Lu authored
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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Will Newton authored
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. -
Will Newton authored
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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Alan Modra authored
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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Alan Modra authored
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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- 04 Nov, 2013 7 commits
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Alan Modra authored
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Tom Tromey authored
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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Tom Tromey authored
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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Tom Tromey authored
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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Tom Tromey authored
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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Tom Tromey authored
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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Tom Tromey authored
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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