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gdb/ChangeLog:
PR/18376
* gdb/configure.tgt: Add linux-record.o to s390*-linux.
* gdb/s390-linux-tdep.c: #include "linux-record.h", "record-full.h"
(s390_linux_record_tdep): New static global variable.
(s390x_linux_record_tdep): New static global variable.
(s390_all_but_pc_registers_record): New function.
(s390_canonicalize_syscall): New function.
(s390_linux_syscall_record): New function.
(s390_linux_record_signal): New function.
(s390_record_calc_disp_common): New function.
(s390_record_calc_disp): New function.
(s390_record_calc_disp_vsce): New function.
(s390_record_calc_rl): New function.
(s390_record_gpr_g): New function.
(s390_record_gpr_h): New function.
(s390_record_vr): New function.
(s390_process_record): New function.
(s390_init_linux_record_tdep): New function.
(s390_gdbarch_init): Fill record function slots.
gdb/testsuite/ChangeLog:
* gdb.reverse/s390-mvcle.c: New test.
* gdb.reverse/s390-mvcle.exp: New file.
* lib/gdb.exp: Enable reverse tests on s390*-linux.
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gdb/ChangeLog:
* dwarf2-frame.c (dwarf2_restore_rule): Call dwarf_reg_to_regnum
instead of gdbarch_dwarf2_reg_to_regnum.
(dwarf2_frame_cache): Ditto.
(read_addr_from_reg): Call dwarf_reg_to_regnum_or_error instead of
gdbarch_dwarf2_reg_to_regnum.
(get_reg_value): Ditto.
(dwarf2_fetch_cfa_info): Ditto.
(dwarf2_frame_prev_register): Ditto.
* dwarf2loc.c: #include "complaints.h".
(dwarf_expr_read_addr_from_reg): Call dwarf_reg_to_regnum_or_error
instead of gdbarch_dwarf2_reg_to_regnum.
(dwarf_expr_get_reg_value): Ditto.
(read_pieced_value): Ditto.
(write_pieced_value): Ditto.
(dwarf2_evaluate_loc_desc_full): Ditto.
(dwarf_reg_to_regnum): New function.
(throw_bad_regnum_error): New function.
(dwarf_reg_to_regnum_or_error): Renamed from
dwarf2_reg_to_regnum_or_errorChange to take a ULONGEST regnum.
All callers updated. Call throw_bad_regnum_error.
(locexpr_regname): Improve text of bad register number.
* dwarf2loc.h (dwarf_reg_to_regnum): Declare.
(dwarf_reg_to_regnum_or_error): Update prototype.
* dwarf2expr.c: #include "dwarf2loc.h".
(dwarf_block_to_sp_offset): Call dwarf_reg_to_regnum instead of
gdbarch_dwarf2_reg_to_regnum.
* gdbarch.sh (dwarf2_reg_to_regnum): Add comment.
* gdbarch.h: Regenerate.
* amd64-tdep.c (amd64_dwarf_reg_to_regnum): Remove warning for bad
register.
* avr-tdep.c (avr_dwarf_reg_to_regnum): Ditto.
* cris-tdep.c (cris_dwarf2_reg_to_regnum): Ditto.
* bfin-tdep.c (bfin_reg_to_regnum): Fix error checking.
* hppa-linux-tdep.c (hppa_dwarf_reg_to_regnum): Improve error checking.
Remove warning for bad register.
* hppa-tdep.c (hppa64_dwarf_reg_to_regnum): Ditto.
* i386-tdep.c (i386_svr4_dwarf_reg_to_regnum): Renamed from
i386_svr4_reg_to_regnum. Return -1 for bad registers.
(i386_svr4_reg_to_regnum): New function.
(i386_gdbarch_init): Update call to set_gdbarch_dwarf2_reg_to_regnum.
* microblaze-tdep.c (microblaze_dwarf2_reg_to_regnum): Don't assert
on bad registers, return -1.
* msp430-tdep.c (msp430_dwarf2_reg_to_regnum): Improve error checking.
Remove warning for bad register.
* nios2-tdep.c: Add static assert for NIOS2_NUM_REGS.
(nios2_dwarf_reg_to_regnum): Fix off-by-one error.
Remove warning for bad register. Return -1 for bad register.
* rl78-tdep.c (rl78_dwarf_reg_to_regnum): Don't flag an internal error
for bad register, return -1.
* rx-tdep.c (rx_dwarf_reg_to_regnum): Ditto.
* m68k-tdep.c (m68k_dwarf_reg_to_regnum): Fix error result.
* mep-tdep.c (mep_debug_reg_to_regnum): Ditto.
* mips-tdep.c (mips_stab_reg_to_regnum): Ditto.
(mips_dwarf_dwarf2_ecoff_reg_to_regnum): Ditto.
* mn10300-tdep.c (mn10300_dwarf2_reg_to_regnum): Remove warning
for bad regs.
* xtensa-tdep.c (xtensa_reg_to_regnum): Remove internal error for
bad regs. Fix error result.
* stabsread.c (stab_reg_to_regnum): Watch for negative regno.
(reg_value_complaint): Update complaint text.
* mdebugread.c (reg_value_complaint): New function.
(mdebug_reg_to_regnum): Rewrite to watch for bad reg numbers.
gdb/testsuite/ChangeLog:
* lib/dwarf.exp (_location): Add support for DW_OP_regx.
* gdb.dwarf2/bad-regnum.c: New file.
* gdb.dwarf2/bad-regnum.exp: New file.
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Nowadays, in the range-stepping tests, we check not only the number of
vCont;r packets but also the number of vCont;s packets, because we think
the remote target which can do range stepping must support single step.
However, if we turn displaced stepping on, the remote target (GDBserver)
can do range stepping, and support single step, but GDB may decide to
resume instructions in the scratchpad rather than single step them one
by one for displaced stepping. For example, when aarch64 GDB debugs
arm linux program with aarch64 GDBserver, GDBserver supports both range
stepping and single step, but GDB (with the gdbarch for arm-linux)
decides resume instructions in the scratchpad, so in the RSP traffic,
there is no vCont;s packet at all, and some range-stepping.exp tests
fail,
FAIL: gdb.base/range-stepping.exp: multi insns: next: vCont;s=1 vCont;r=1
This patch is to get rid of the checking to the number of vCont;s in
exec_cmd_expect_vCont_count.
gdb/testsuite:
2015-10-21 Yao Qi <yao.qi@linaro.org>
* lib/range-stepping-support.exp (exec_cmd_expect_vCont_count):
Remove argument exp_vCont_s.
* gdb.base/range-stepping.exp: Callers updated.
* gdb.trace/range-stepping.exp: Likewise.
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https://bugzilla.redhat.com/show_bug.cgi?id=1270564#c15
https://bugzilla.redhat.com/attachment.cgi?id=1081772
clang-3.5.0-9.fc22.x86_64
<3><22b2>: Abbrev Number: 69 (DW_TAG_variable)
<22b3> DW_AT_location : 7 byte block: 92 ff ff ff ff f 0 (DW_OP_bregx: 4294967295 (r-1) 0)
<22bb> DW_AT_name : (indirect string, offset: 0x2a36): texture_data
<22c1> DW_AT_type : <0x1d3>
(gdb) p variable
warning: Unmapped DWARF Register #-1 encountered.
regcache.c:177: internal-error: register_size: Assertion `regnum >= 0 && regnum < (gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs
(gdbarch))' failed.
[...]
Quit this debugging session? (y or n) FAIL: gdb.dwarf2/dw2-regno-invalid.exp: p variable (GDB internal error)
-> (x86_64)
(gdb) p variable
warning: Unmapped DWARF Register #-1 encountered.
Invalid register #-1, expecting 0 <= # < 220
(gdb) PASS: gdb.dwarf2/dw2-regno-invalid.exp: p variable
-> (i386)
(gdb) p variable
Invalid register #104, expecting 0 <= # < 104
(gdb) PASS: gdb.dwarf2/dw2-regno-invalid.exp: p variable
GDB calls gdbarch_dwarf2_reg_to_regnum() first which returns -1 in the x86_64
case
if (regnum == -1)
warning (_("Unmapped DWARF Register #%d encountered."), reg);
but in i386 case it does:
/* This will hopefully provoke a warning. */
return gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
and the default implementation is a nop, leaving whatever register number
the DWARF specified.
gdb/ChangeLog
2015-10-20 Jan Kratochvil <jan.kratochvil@redhat.com>
* findvar.c (address_from_register): Check REGNUM validity.
gdb/testsuite/ChangeLog
2015-10-20 Jan Kratochvil <jan.kratochvil@redhat.com>
Pedro Alves <palves@redhat.com>
* gdb.dwarf2/dw2-regno-invalid.exp: New file.
* lib/dwarf.exp (Dwarf): Add DW_OP_bregx.
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gdb/testsuite:
2015-10-12 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (support_displaced_stepping): Return 1 if target
is aarch64*-*-linux*.
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On software single-step targets that don't support displaced stepping,
threads keep hitting each other's single-step breakpoints, and then
GDB needs to pause all threads to step past those. The end result is
that progress in the main thread will be slower and it may take a bit
longer for the signal to be queued. This patch bumps the timeout on
such targets.
gdb/testsuite/ChangeLog:
2015-09-16 Pedro Alves <palves@redhat.com>
Sandra Loosemore <sandra@codesourcery.com>
* gdb.threads/non-stop-fair-events.c (timeout): New global.
(SECONDS): Redefine.
(main): Call pthread_kill and alarm early.
* gdb.threads/non-stop-fair-events.exp: Probe displaced stepping
support.
(test): If the target can't hardware step and doesn't support
displaced stepping, increase the timeout.
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The gdb.cell testcases use the predicate skip_cell_tests defined in
lib/cell.exp to determine whether Cell/B.E. test cases ought to be
run. This tests verifies that we have a toolchain that supports
generating combined Cell/B.E. binaries, and that the target machine
actually is a Cell/B.E.
In order to do so, a small test program is built and run (under the
debugger). Any failure is taken as a sign that we don't have a
Cell/B.E. machine and the tests are to be skipped.
This has the unfortunate effect that a serious bug in GDB that causes
internal compiler errors even on the trivial test program does not
lead to any failures in the testsuite, since now all gdb.cell test
are simply skipped.
This patch changes skip_cell_tests to at least report UNRESOLVED
in cases where execution of the test program fails in unexpected
ways.
testsuite/ChangeLog:
* lib/cell.exp (skip_cell_tests): Report UNRESOLVED on unexpected
failures to run the test program under GDB.
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if using MI
gdb/ChangeLog:
* cli/cli-logging.c (pop_output_files): Don't restore redirection
if MI-like.
* mi/mi-out.c: #include "vec.h".
(ui_filep): New type.
(DEV_VEC_P (ui_filep)): New type.
(struct ui_out_data) <buffer, original_buffer>: Delete.
(struct ui_out_data) <streams>: New member.
(mi_ui_out_impl): Add data_destroy field.
(mi_field_string, mi_field_fmt): Update.
(mi_flush, mi_redirect, field_separator): Update.
(mi_open, mi_close): Update.
(mi_out_buffered, mi_out_rewind, mi_out_put): Update.
(mi_out_data_ctor, mi_out_data_dtor): New functions.
(mi_out_new): Call mi_out_data_ctor.
testsuite/gdb/ChangeLog:
* lib/gdb.exp (skip_python_tests_prompt): Renamed from
skip_python_tests. New arg prompt_regexp.
(skip_python_tests): New function.
* lib/mi-support.exp (mi_skip_python_tests): New function.
* gdb.python/py-mi-objfile-gdb.py: New file.
* gdb.python/py-mi-objfile.c: New file.
* gdb.python/py-mi-objfile.exp: New file.
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For some time now, GDB has permitted target-side evaluation of
breakpoint conditions. On targets that support this feature, GDB
may output an "evaluated-by" field into the breakpoint reply.
This patch adds handling for this option, and outputs a default
pattern to optionally recognize (and ignore) this pattern in the
reply.
gdb/testsuite/ChangeLog
* lib/mi-support.exp (mi_make_breakpoint): Add option/handling for
"evaluated-by".
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gdb/testsuite/ChangeLog:
* lib/gdb.exp (save_vars): New proc.
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This patch adds support for explicit locations to MI's -break-insert
command. The new options, documented in the User Manual, are
--source, --line, --function, and --label.
gdb/ChangeLog:
* mi/mi-cmd-break.c (mi_cmd_break_insert_1): Add support for
explicit locations, options "--source", "--function",
"--label", and "--line".
gdb/testsuite/ChangeLog:
* gdb.mi/mi-break.exp (test_explicit_breakpoints): New proc.
(at toplevel): Call test_explicit_breakpoints.
* gdb.mi/mi-dprintf.exp: Add tests for explicit dprintf
breakpoints.
* lib/mi-support.exp (mi_make_breakpoint): Add support for
breakpoint conditions, "-cond".
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This patch exposes explicit locations to the CLI user. This enables
users to "explicitly" specify attributes of the breakpoint location
to avoid any ambiguity that might otherwise exist with linespecs.
The general syntax of explicit locations is:
-source SOURCE_FILENAME -line {+-}LINE -function FUNCTION_NAME
-label LABEL_NAME
Option names may be abbreviated, e.g., "-s SOURCE_FILENAME -li 3" and users
may use the completer with either options or values.
gdb/ChangeLog:
* completer.c: Include location.h.
(enum match_type): New enum.
(location_completer): Rename to ...
(linespec_completer): ... this.
(collect_explicit_location_matches, backup_text_ptr)
(explicit_location_completer): New functions.
(location_completer): "New" function; handle linespec
and explicit location completions.
(complete_line_internal): Remove all location completer-specific
handling.
* linespec.c (linespec_lexer_lex_keyword, is_ada_operator)
(find_toplevel_char): Export.
(linespec_parse_line_offset): Export.
Issue error if STRING is not numerical.
(gdb_get_linespec_parser_quote_characters): New function.
* linespec.h (linespec_parse_line_offset): Declare.
(get_gdb_linespec_parser_quote_characters): Declare.
(is_ada_operator): Declare.
(find_toplevel_char): Declare.
(linespec_lexer_lex_keyword): Declare.
* location.c (explicit_to_event_location): New function.
(explicit_location_lex_one): New function.
(string_to_explicit_location): New function.
(string_to_event_location): Handle explicit locations.
* location.h (explicit_to_event_location): Declare.
(string_to_explicit_location): Declare.
gdb/testsuite/ChangeLog:
* gdb.linespec/3explicit.c: New file.
* gdb.linespec/cpexplicit.cc: New file.
* gdb.linespec/cpexplicit.exp: New file.
* gdb.linespec/explicit.c: New file.
* gdb.linespec/explicit.exp: New file.
* gdb.linespec/explicit2.c: New file.
* gdb.linespec/ls-errs.exp: Add explicit location tests.
* lib/gdb.exp (capture_command_output): Regexp-escape `command'
before using in the matching pattern.
Clarify that `prefix' is a regular expression.
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Indicate speculatively executed instructions with a leading '?'. We use the
space that is normally used for the PC prefix. In the case where the
instruction at the current PC had been executed speculatively before, the PC
prefix will be partially overwritten resulting in "?> ".
As a side-effect, the /p modifier to omit the PC prefix in the "record
instruction-history" command now uses a 3-space PC prefix " " in order to
have enough space for the speculative execution indication.
gdb/
* btrace.c (btrace_compute_ftrace_bts): Clear insn flags.
(pt_btrace_insn_flags): New.
(ftrace_add_pt): Call pt_btrace_insn_flags.
* btrace.h (btrace_insn_flag): New.
(btrace_insn) <flags>: New.
* record-btrace.c (btrace_insn_history): Print insn prefix.
* NEWS: Announce it.
doc/
* gdb.texinfo (Process Record and Replay): Document prefixing of
speculatively executed instructions in the "record instruction-history"
command.
testsuite/
* gdb.btrace/instruction_history.exp: Update.
* gdb.btrace/tsx.exp: New.
* gdb.btrace/tsx.c: New.
* lib/gdb.exp (skip_tsx_tests, skip_btrace_pt_tests): New.
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gdb/testsuite/ChangeLog:
* Makefile.in (workers/%.worker, build-perf): New rule.
(GDB_PERFTEST_MODE): New variable.
(check-perf): Use it.
(clean): Clean up gdb.perf parallel build subdirs.
* lib/build-piece.exp: New file.
* lib/gdb.exp (make_gdb_parallel_path): New function
(standard_output_file, standard_temp_file): Call it.
(GDB_PARALLEL handling): Make outputs,temp,cache directories as subdirs
of $GDB_PARALLEL.
* lib/cache.exp (gdb_do_cache): Call make_gdb_parallel_path.
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(attach-many-short-lived-thread.exp races and others)
The buildbots show that attach-many-short-lived-thread.exp is racy.
But after staring at debug logs and playing with SystemTap scripts for
a (long) while, I figured out that neither GDB, nor the kernel nor the
test's program itself are at fault.
The problem is simply that the testsuite machinery is currently
subject to PID-reuse races. The attach-many-short-lived-threads.c
test program just happens to be much more susceptible to trigger this
race because threads and processes share the same number space on
Linux, and the test spawns many many short lived threads in
succession, thus enlarging the race window a lot.
Part of the problem is that several tests spawn processes with "exec&"
(in order to test the "attach" command) , and then at the end of the
test, to make sure things are cleaned up, issue a 'remote_spawn "kill
-p $testpid"'. Since with tcl's "exec&", tcl itself is responsible
for reaping the process's exit status, when we go kill the process,
testpid may have already exited _and_ its status may have (and often
has) been reaped already. Thus it can happen that another process
meanwhile reuses $testpid, and that "kill" command kills the wrong
process... Frequently, that happens to be
attach-many-short-lived-thread, but this explains other test's races
as well.
In the attach-many-short-lived-threads test, it sometimes manifests
like this:
(gdb) file /home/pedro/gdb/mygit/build/gdb/testsuite/gdb.threads/attach-many-short-lived-threads
Reading symbols from /home/pedro/gdb/mygit/build/gdb/testsuite/gdb.threads/attach-many-short-lived-threads...done.
(gdb) Loaded /home/pedro/gdb/mygit/build/gdb/testsuite/gdb.threads/attach-many-short-lived-threads into /home/pedro/gdb/mygit/build/gdb/testsuite/../../gdb/gdb
attach 5940
Attaching to program: /home/pedro/gdb/mygit/build/gdb/testsuite/gdb.threads/attach-many-short-lived-threads, process 5940
warning: process 5940 is a zombie - the process has already terminated
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ptrace: Operation not permitted.
(gdb) PASS: gdb.threads/attach-many-short-lived-threads.exp: iter 1: attach
info threads
No threads.
(gdb) PASS: gdb.threads/attach-many-short-lived-threads.exp: iter 1: no new threads
set breakpoint always-inserted on
(gdb) PASS: gdb.threads/attach-many-short-lived-threads.exp: iter 1: set breakpoint always-inserted on
Other times the process dies while the test is ongoing (the process is
ptrace-stopped):
(gdb) print again = 1
Cannot access memory at address 0x6020cc
(gdb) FAIL: gdb.threads/attach-many-short-lived-threads.exp: iter 2: reset timer in the inferior
(Recall that on Linux, SIGKILL is not interceptable)
And other times it dies just while we're detaching:
$4 = 319
(gdb) PASS: gdb.threads/attach-many-short-lived-threads.exp: iter 2: print seconds_left
detach
Can't detach Thread 0x7fb13b7de700 (LWP 1842): No such process
(gdb) FAIL: gdb.threads/attach-many-short-lived-threads.exp: iter 2: detach
GDB mishandles the latter (it should ignore ESRCH while detaching just
like when continuing), but that's another story.
The fix here is to change spawn_wait_for_attach to use Expect's
'spawn' command instead of Tcl's 'exec&' to spawn programs, because
with spawn we control when to wait for/reap the process. That allows
killing the process by PID without being subject to pid-reuse races,
because even if the process is already dead, the kernel won't reuse
the process's PID until the zombie is reaped.
The other part of the problem lies in DejaGnu itself, unfortunately.
I have occasionally seen tests (attach-many-short-lived-threads
included, but not only that one) die with a random inexplicable
SIGTERM too, and that too is caused by the same reason, except that in
that case, the rogue SIGTERM is sent from this bit in DejaGnu's remote.exp:
exec sh -c "exec > /dev/null 2>&1 && (kill -2 $pgid || kill -2 $pid) && sleep 5 && (kill $pgid || kill $pid) && sleep 5 && (kill -9 $pgid || kill -9 $pid) &"
...
catch "wait -i $shell_id"
Even if the program exits promptly, that whole cascade of kills
carries on in the background, thus potentially killing the poor
process that manages to reuse $pid...
I sent a fix for that to the DejaGnu list:
http://lists.gnu.org/archive/html/dejagnu/2015-07/msg00000.html
With both patches in place, I haven't seen
attach-many-short-lived-threads.exp fail again.
Tested on x86_64 Fedora 20, native, gdbserver and extended-gdbserver.
gdb/testsuite/ChangeLog:
2015-07-31 Pedro Alves <palves@redhat.com>
* gdb.base/attach-pie-misread.exp: Rename $res to $test_spawn_id.
Use spawn_id_get_pid. Wait for spawn id after eof. Use
kill_wait_spawned_process instead of explicit "kill -9".
* gdb.base/attach-pie-noexec.exp: Adjust to spawn_wait_for_attach
returning a spawn id instead of a pid. Use spawn_id_get_pid and
kill_wait_spawned_process.
* gdb.base/attach-twice.exp: Likewise.
* gdb.base/attach.exp: Likewise.
(do_command_attach_tests): Use gdb_spawn_with_cmdline_opts and
gdb_test_multiple.
* gdb.base/solib-overlap.exp: Adjust to spawn_wait_for_attach
returning a spawn id instead of a pid. Use spawn_id_get_pid and
kill_wait_spawned_process.
* gdb.base/valgrind-infcall.exp: Likewise.
* gdb.multi/multi-attach.exp: Likewise.
* gdb.python/py-prompt.exp: Likewise.
* gdb.python/py-sync-interp.exp: Likewise.
* gdb.server/ext-attach.exp: Likewise.
* gdb.threads/attach-into-signal.exp (corefunc): Use
spawn_wait_for_attach, spawn_id_get_pid and
kill_wait_spawned_process.
* gdb.threads/attach-many-short-lived-threads.exp: Adjust to
spawn_wait_for_attach returning a spawn id instead of a pid. Use
spawn_id_get_pid and kill_wait_spawned_process.
* gdb.threads/attach-stopped.exp (corefunc): Use
spawn_wait_for_attach, spawn_id_get_pid and
kill_wait_spawned_process.
* gdb.base/break-interp.exp: Rename $res to $test_spawn_id.
Use spawn_id_get_pid. Wait for spawn id after eof. Use
kill_wait_spawned_process instead of explicit "kill -9".
* lib/gdb.exp (can_spawn_for_attach): Adjust comment.
(kill_wait_spawned_process, spawn_id_get_pid): New procedures.
(spawn_wait_for_attach): Use spawn instead of exec to spawn
processes. Don't map cygwin/windows pids here. Now returns a
spawn id list.
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Rather than trying to determine where (which spawn id) the inferior
output comes out from, which depends on e.g., remote that supports
file i/o remote protocol extension, vs remote that sends inferior
output through a separate $inferior_spawn_id, vs native debugging,
which sends output through $gdb_spawn_id, vs native debugging with a
test that uses "separate-inferior-tty" (like mi-console.exp does),
always expect inferior output from both $inferior_spawn_id and
$gdb_spawn_id.
mi-console.exp itself already copes with different possible outputs in
a similar way:
# Combine both outputs in a single pattern.
set output "($semihosted_output|$native_output)"
Fixes:
FAIL: gdb.mi/mi-console.exp: Testing console output inferior output (timeout)
when testing against local gdbserver with gdb,noinferiorio removed
from the board file.
gdb/testsuite/ChangeLog:
2015-07-29 Pedro Alves <palves@redhat.com>
* lib/mi-support.exp (mi_inferior_spawn_id): Delete.
(default_mi_gdb_start): Set inferior_spawn_id instead of
mi_inferior_spawn_id. If $inferior_spawn_id is not set, set it to
gdb_spawn_id.
(mi_gdb_test): Always expect inferior output from both
$inferior_spawn_id and $gdb_spawn_id.
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This adds a new helper procedure to be used by tests that rely on
stdio.
gdb/testsuite/ChangeLog:
2015-07-29 Pedro Alves <palves@redhat.com>
* lib/gdb.exp (gdb_test_stdio): New procedure.
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Regressions, e.g.,
http://gdb-build.sergiodj.net/builders/Fedora-x86_64-m32/builds/1501
gdb/testsuite/ChangeLog:
Revert:
* Makefile.in (check/%.exp): Pass directory for GDB_PARALLEL.
(workers/%.worker, build-perf): New rule.
(GDB_PERFTEST_MODE): New variable.
(check-perf): Use it.
(clean): Clean up gdb.perf parallel build subdirs.
* lib/build-piece.exp: New file.
* lib/cache.exp (gdb_do_cache): Include $GDB_PARALLEL in path name.
* lib/gdb.exp (standard_output_file): Include $GDB_PARALLEL in path
name.
(standard_temp_file): Ditto.
(GDB_PARALLEL handling): Make outputs,temp,cache directories as subdirs
of $GDB_PARALLEL.
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|
gdb/testsuite/ChangeLog:
* gdb.perf/README: New file.
* lib/perftest.exp (tcl_string_list_to_python_list): New function.
* lib/gen-perf-test.exp: New file.
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|
gdb/testsuite/ChangeLog:
* lib/perftest.exp (PerfTest::compile): Unconditionally call body.
(PerfTest::startup): New function.
(PerfTest::run): Return result of calling body.
(PerfTest::assemble): Rewrite.
* gdb.perf/backtrace.exp (PerfTest::assemble): Update function result.
* gdb.perf/disassemble.exp (PerfTest::assemble): Ditto.
* gdb.perf/single-step.exp (PerfTest::assemble): Ditto.
* gdb.perf/skip-prologue.exp (PerfTest::assemble): Ditto.
* gdb.perf/solib.exp (PerfTest::assemble): Ditto.
|
|
gdb/testsuite/ChangeLog:
* lib/gdb.exp (clean_restart): Make executable optional.
|
|
gdb/testsuite/ChangeLog:
* gdb.base/watchpoint.exp (test_complex_watchpoint): Remove
compiler_info references.
* gdb.cp/temargs.exp: Ditto.
* lib/gdb.exp: Unset compiler_info instead of setting to "unknown".
(get_compiler_info): Early exit if already computed. Set compiler_info
to "unknown" if there was a problem.
(test_compiler_info): Add function comment. Call get_compiler_info.
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|
gdb/testsuite/ChangeLog:
* Makefile.in (check/%.exp): Pass directory for GDB_PARALLEL.
(workers/%.worker, build-perf): New rule.
(GDB_PERFTEST_MODE): New variable.
(check-perf): Use it.
(clean): Clean up gdb.perf parallel build subdirs.
* lib/build-piece.exp: New file.
* lib/cache.exp (gdb_do_cache): Include $GDB_PARALLEL in path name.
* lib/gdb.exp (standard_output_file): Include $GDB_PARALLEL in path
name.
(standard_temp_file): Ditto.
(GDB_PARALLEL handling): Make outputs,temp,cache directories as subdirs
of $GDB_PARALLEL.
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|
gdb/testsuite/ChangeLog:
* lib/future.exp (gdb_default_target_compile): New option
"early_flags".
* lib/gdb.exp (gdb_compile): Undo debian's change in default of
--as-needed.
|
|
We didn't test --wrapper option in extended-remote before, this patch
is to add a test case for it. In order to pass option --wrapper to
gdbserver in extended-remote, I add arg in gdbserver_start_extended,
and its default value is "", so that other places use
gdbserver_start_extended don't have to be updated.
gdb/testsuite:
2015-07-24 Yao Qi <yao.qi@linaro.org>
* lib/gdbserver-support.exp (gdbserver_start_extended): Add
argument options.
* gdb.server/ext-wrapper.exp: New file.
|
|
Tracepoints and range stepping are independent features. This patch
skips the gdb.trace/range-stepping.exp test case if the target does not
support range stepping.
gdb/testsuite/ChangeLog:
* gdb.base/range-stepping.exp (gdb_range_stepping_enabled):
Move it to ...
* lib/range-stepping-support.exp (gdb_range_stepping_enabled):
... here.
* gdb.trace/range-stepping.exp: Check that the target supports
range stepping.
|
|
Some tests expect the the target is aarch64, but checking target
triplet is not accurate, because target triplet can be aarch64 but
the program is in arm (or aarch32) state.
This patch addes a new proc is_aarch64_target which returns true
if the target is on aarch64 state.
gdb/testsuite:
2015-07-07 Yao Qi <yao.qi@linaro.org>
* gdb.arch/aarch64-atomic-inst.exp: Check is_aarch64_target
instead of istarget "aarch64*-*-*".
* gdb.arch/aarch64-fp.exp: Likewise.
* gdb.base/float.exp: Likewise.
* gdb.reverse/aarch64.exp: Likewise.
* lib/gdb.exp (is_aarch64_target): New proc.
|
|
GDB tests running on arm target should be also run on aarch32
(32-bit mode on aarch64). There should be no difference. It is not
precise to check target triplet to decide which tests should be run,
because if I compiler all the test binary in 32-bit (arm program),
but target triplet is still aarch64, so that these arm specific tests
are skipped.
This patch is to add a new proc is_aarch32_target which return true
if target triplet is arm or the test binary is compiled for arm.
gdb/testsuite:
2015-07-07 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (is_aarch32_target): New proc.
* gdb.arch/arm-bl-branch-dest.exp: Check is_aarch32_target
instead of "istarget "arm*-*-*"".
* gdb.arch/arm-disp-step.exp: Likewise.
* gdb.arch/thumb-bx-pc.exp: Likewise.
* gdb.arch/thumb-prologue.exp: Likewise.
* gdb.arch/thumb-singlestep.exp: Likewise.
* gdb.base/disp-step-syscall.exp: Likewise.
* gdb.base/float.exp: Likewise.
|
|
As these characters don't need to be escaped for strings
wrapped inside {} braces, we can remove the unneeded backslashes.
gdb/testsuite/ChangeLog:
* lib/gdb.exp (test_class_help): Remove the unneeded escaping of
'[' and ']' characters.
|
|
linux_get_siginfo_type is installed to many linux gdbarch. This patch
is to move this to a common area linux-tdep.c:linux_init_abi, so that
linux_get_siginfo_type is installed to every linux gdbarch. If some
linux gdbarch needs its own version, please override it in
$ARCH_linux_init_abi. In the testsuite, we enable siginfo related
tests for all linux targets.
gdb:
2015-06-24 Yao Qi <yao.qi@linaro.org>
* aarch64-linux-tdep.c (aarch64_linux_init_abi): Don't call
set_gdbarch_get_siginfo_type.
* amd64-linux-tdep.c (amd64_linux_init_abi_common): Likewise.
* arm-linux-tdep.c (arm_linux_init_abi): Likewise.
* i386-linux-tdep.c (i386_linux_init_abi): Likewise.
* m68klinux-tdep.c (m68k_linux_init_abi): Likewise.
* ppc-linux-tdep.c (ppc_linux_init_abi): Likewise.
* s390-linux-tdep.c (s390_gdbarch_init): Likewise.
* tilegx-linux-tdep.c (tilegx_linux_init_abi): Likewise.
* linux-tdep.c (linux_get_siginfo_type): Change it to static.
(linux_init_abi): Call set_gdbarch_get_siginfo_type.
* linux-tdep.h (linux_get_siginfo_type): Remove the declaration.
gdb/testsuite:
2015-06-24 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (supports_get_siginfo_type): Return 1 for all
linux targets.
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|
Both siginfo-obj.exp and siginfo-thread.exp have the same code
checking the support of geting a type of siginfo for a given arch.
This patch is to move these code into a proc supports_get_siginfo_type.
gdb/testsuite:
2015-06-24 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (supports_get_siginfo_type): New proc.
* gdb.base/siginfo-obj.exp: Invoke supports_get_siginfo_type.
* gdb.base/siginfo-thread.exp: Likewise.
|
|
This patch is to let skip_hw_breakpoint_tests and skip_hw_watchpoint_tests
return 0 for aarch64 target, since aarch64 has HW watchpoint and
breakpoint registers.
With this patch applied, about 1560 watchpoint/breakpoint related tests
become enabled on aarch64-linux native testing.
gdb/testsuite:
2015-06-22 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (skip_hw_breakpoint_tests): Return 0 for target
aarch64*-*-*.
(skip_hw_watchpoint_tests): Likewise.
|
|
This patch fixes the following tcl error
Running ../../../binutils-gdb/gdb/testsuite/gdb.base/break-interp.exp ...
ERROR: (DejaGnu) proc "else" does not exist.
The error code is NONE
The info on the error is:
invalid command name "else"
while executing
"::tcl_unknown else"
("uplevel" body line 1)
invoked from within
"uplevel 1 ::tcl_unknown $args"
gdb/testsuite:
2015-06-17 Yao Qi <yao.qi@linaro.org>
* lib/gdb.exp (get_build_id): Move braces and "else" to the same
line.
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|
This promotes BFD's struct elf_build_id to the generic struct bfd_build_id,
populated when an ELF or PE BFD is read.
gdb is updated to use that, and to use the build-id to find symbols for PE files
also.
There is currently no generic way to extract the build-id from an object file,
perhaps an option to objdump to do this might make sense?
On x86_64-pc-cygwin, gdb's sepdebug.exp changes:
-# of unsupported tests 1
+# of expected passes 90
I don't seem to get consistent testsuite runs on i686-linux-gnu, but there
don't appear to be any regressions.
bfd/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* elf-bfd.h : Remove struct elf_build_id.
* bfd.c : Add struct bfd_build_id.
* bfd-in2.h: Regenerate.
* elf.c (elfobj_grok_gnu_build_id): Update to use bfd_build_id.
* libpei.h: Add protoype and macros for
bfd_XXi_slurp_codeview_record.
* peXXigen.c (_bfd_XXi_slurp_codeview_record): Make public
* peicode.h (pe_bfd_read_buildid): Add.
(pe_bfd_object_p): Use pe_bfd_read_buildid().
gdb/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* build-id.c: Don't include elf-bfd.h.
(build_id_bfd_get): Use bfd_build_id.
(build_id_verify): Ditto.
* build-id.h: Ditto.
(find_separate_debug_file_by_buildid): Ditto.
* python/py-objfile.c: Don't include elf-bfd.h.
(objfpy_get_build_id) Use bfd_build_id.
(objfpy_build_id_matches, objfpy_lookup_objfile_by_build_id): Ditto.
* coffread.c: Include build-id.h.
(coff_symfile_read): Try find_separate_debug_file_by_buildid.
gdb/doc/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* gdb.texinfo (Separate Debug Files): Document that PE is also
supported.
gdb/testsuite/ChangeLog:
2015-06-10 Jon Turney <jon.turney@dronecode.org.uk>
* gdb.base/sepdebug.exp: Add EXEEXT where needed.
* lib/gdb.exp (get_build_id): Teach how to extract build-id from a
PE file.
* lib/future.exp (gdb_find_objdump): Add gdb_find_objdump.
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
|
|
This patch enable gdb.reverse tests for aarch64*-linux targets.
With this patch, there are 7 FAILs in gdb.reverse/ tests.
FAIL: gdb.reverse/finish-reverse-bkpt.exp: reverse-finish from void_func trips breakpoint at entry
FAIL: gdb.reverse/finish-reverse-bkpt.exp: no spurious proceed after breakpoint stop
FAIL: gdb.reverse/next-reverse-bkpt-over-sr.exp: reverse-next over call trips user breakpoint at function entry
FAIL: gdb.reverse/step-precsave.exp: reverse step into fn call
FAIL: gdb.reverse/step-precsave.exp: reverse step out of called fn
FAIL: gdb.reverse/step-reverse.exp: reverse step into fn call
FAIL: gdb.reverse/step-reverse.exp: reverse step out of called fn
gdb/testsuite:
2015-05-26 Omair Javaid <omair.javaid@linaro.org>
* lib/gdb.exp (supports_process_record): Return true for aarch64*-linux*.
(supports_reverse): Likewise.
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|
Add a new predicate procedure to the gdb.exp library 'skip_tui_tests',
which returns true if the tui is not compiled into gdb.
Make use of this predicate in the gdb.base/tui-layout.exp test as an
example.
gdb/testsuite/ChangeLog:
* lib/gdb.exp (skip_tui_tests): New proc.
* gdb.base/tui-layout.exp: Check skip_tui_tests.
|
|
Since silent handling of eof is usually the wrong thing to do, this
patch makes gdb_test_multiple handle it for all $any_spawn_id.
Currently, against gdbserver, interrupt.exp occasionaly fails like
this:
FAIL: gdb.base/interrupt.exp: send end of file
gdb.log with expect debug output enabled shows:
expect: does "\r\n\r\nChild exited with status 0\r\nGDBserver exiting\r\n" (spawn_id exp8) match regular expression "end of file"? Gate "end of file"? gate=no
expect: read eof
expect: set expect_out(spawn_id) "exp8"
expect: set expect_out(buffer) "\r\n\r\nChild exited with status 0\r\nGDBserver exiting\r\n"
FAIL: gdb.base/interrupt.exp: send end of file
Note "expect: read eof" for spawn_id=exp8. exp8 is
inferior_spawn_id/gdbserver_spawn_id. That means
expect/gdb_test_multiple saw gdbserver exit before we got the expected
gdb output. Since there's no explicit pattern for "eof", expect (and
thus gdb_test_multiple) just returns.
After this commit, we get instead:
ERROR: Process no longer exists
UNRESOLVED: gdb.base/interrupt.exp: send end of file
Note that before we still got an FAIL because $saw_inferior_exit is 0
when we get to:
gdb_assert { $saw_eof && $saw_inferior_exit } $msg
Fixing the fail (now unresolved) will be the subject of a separate
patch.
gdb/testsuite/ChangeLog:
2015-04-23 Pedro Alves <palves@redhat.com>
* lib/gdb.exp (gdb_test_multiple): Match eof/full_buffer/timeout
on $any_spawn_id instead of only on $gdb_spawn_id.
|
|
Problem reported as PR pascal/17815
Part 1/3: Remember the case pattern that allowed finding a field of this.
File gdb/p-exp.y modified
This is the fix in the pascal parser (p-exp.y),
to avoid the error that GDB does find normal variables
case insensitively, but not fields of this,
inside a class or object method.
Part 2/3: Add "class" option for pascal compiler
File gdb/testsuite/lib/pascal.exp
This part of the patch series is unchanged.
It adds class option to pascal compiler
which adds the required command line option to
accept pascal class types.
Part 3/3:
New file: gdb/testsuite/gdb.pascal/case-insensitive-symbols.exp
New file: gdb/testsuite/gdb.pascal/case-insensitive-symbols.pas
Here is an updated version of this test, using Pedro's suggestions.
Test to check that PR 17815 is fixed.
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|
Commit 6423214f (testsuite: Don't use expect_background to reap
gdbserver) broke a couple tests that set gdbserver_reconnect_p and
restart gdb before reconnecting, because a gdb_exit (e.g., through
clean_restart) exits gdbserver unconditionally.
Fixes, with --target_board=native-gdbserver:
-FAIL: gdb.trace/mi-tracepoint-changed.exp: reconnect: break-info 1
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: tracepoint created
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: tracepoint on marker is installed
+PASS: gdb.trace/mi-tracepoint-changed.exp: reconnect: break-info 1
-FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv1 created
-FAIL: gdb.trace/mi-tsv-changed.exp: upload: tsv2 created
+PASS: gdb.trace/mi-tsv-changed.exp: upload: tsv1 created
+PASS: gdb.trace/mi-tsv-changed.exp: upload: tsv2 created
gdb/testsuite/
2015-04-16 Pedro Alves <palves@redhat.com>
* lib/gdbserver-support.exp (gdb_exit): If gdbserver_reconnect_p
is set, don't exit gdbserver.
|
|
I see the following two timeout fails on pandaboard (arm-linux target),
FAIL: gdb.base/watch-bitfields.exp: -location watch against bitfields: continue until exit (timeout)
FAIL: gdb.base/watch-bitfields.exp: regular watch against bitfields: continue until exit (timeout)
In this test, more than one watchpoint is used, so the following
watchpoint requests fall back to software watchpoint, so that GDB
will single step all the way and it is very slow.
This patch is to copy the fix from
[PATCH] GDB/testsuite: Correct gdb.base/watchpoint-solib.exp timeout tweak
https://sourceware.org/ml/gdb-patches/2014-07/msg00716.html
I find the left-over of this patch review is to factor out code into
a procedure, so I do that in this patch.
Re-run tests watch-bitfields.exp, watchpoint-solib.exp, sigall-reverse.exp,
and until-precsave.exp on pandaboard, no regression.
gdb/testsuite:
2015-04-15 Pedro Alves <palves@redhat.com>
Yao Qi <yao.qi@linaro.org>
* gdb.base/watch-bitfields.exp (test_watch_location): Increase
timeout by factor of 4.
(test_regular_watch): Likewise.
* gdb.base/watchpoint-solib.exp: Use with_timeout_factor.
* gdb.reverse/sigall-reverse.exp: Likewise.
* gdb.reverse/until-precsave.exp: Likewise.
* lib/gdb.exp (with_timeout_factor): New proc.
(gdb_expect): Move some code to ...
(get_largest_timeout): ... here. New procedure.
|
|
I see the error when I run gdb-sigterm.exp with native-gdbserver
on x86_64-linux.
infrun: prepare_to_wait^M
Cannot execute this command while the target is running.^M
Use the "interrupt" command to stop the target^M
and then try again.^M
gdb.base/gdb-sigterm.exp: expect eof #0: got eof
gdb.base/gdb-sigterm.exp: expect eof #0: stepped 12 times
ERROR OCCURED: : spawn id exp8 not open
while executing
"expect {
-i exp8 -timeout 10
-re "$gdb_prompt $" {
exp_continue
}
-i "$server_spawn_id" eof {
wait -i $expect_out(spawn_id)
unse..."
("uplevel" body line 1)
invoked from within
In gdb-sigterm.exp, SIGTERM is sent to GDB and it exits. However,
Dejagnu or tcl doesn't know this.
This patch is to catch the exception, but error messages are still
shown in the console and gdb.log. In order to avoid this, we also
replace gdb_expect with expect.
gdb/testsuite:
2015-04-13 Yao Qi <yao.qi@linaro.org>
* lib/gdbserver-support.exp (gdb_exit): Catch exception
and use expect instead of gdb_expect.
|
|
Some important tests, like gdb.base/interrupt.exp end up skipped
against gdbserver, because they depend on inferior I/O, which
gdbserver doesn't do.
This patch adds a mechanism that makes it possible to make them work.
It adds a new "inferior_spawn_id" global that is the spawn ID used for
I/O interaction with the inferior. By default, for native targets, or
remote targets that can do I/O through GDB (semi-hosting) this will be
the same as the gdb/host spawn ID. Otherwise, the board may set this
to some other spawn ID. When debugging with GDBserver, this will be
set to GDBserver's spawn ID.
Then tests can use send_inferior instead of send_gdb to send input to
the inferior, and use expect's "-i" switch to select which spawn ID to
use for matching input/output. That is, something like this will now
work:
send_inferior "echo me\n"
gdb_test_multiple "continue" "test msg" {
-i "$inferior_spawn_id" -re "echo me\r\necho\r\n" {
...
}
}
Or even:
gdb_test_multiple "continue" "test msg" {
-i "$inferior_spawn_id" -re "hello world" {
...
}
-i "$gdb_spawn_id" -re "error.*$gdb_prompt $" {
...
}
}
Of course, by default, gdb_test_multiple still matches with
$gdb_spawn_id.
gdb/testsuite/ChangeLog:
2015-04-07 Pedro Alves <palves@redhat.com>
* lib/gdb.exp (inferior_spawn_id): New global.
(gdb_test_multiple): Handle "-i". Reset the spawn id to GDB's
spawn id after processing the user code.
(default_gdb_start): Set inferior_spawn_id.
(send_inferior): New procedure.
* lib/gdbserver-support.exp (gdbserver_start): Set
inferior_spawn_id.
(close_gdbserver, gdb_exit): Unset inferior_spawn_id.
|
|
I adjusted a test to do 'expect -i $server_spawn_id -re ...', and saw
really strange behavior. Whether that expect would work, depended on
whether GDB would also send output and the same expect matched it too
(on $gdb_spawn_id). I was perplexed until I noticed that
gdbserver_spawn spawns gdbserver and then uses expect_background to
reap gdbserver. That expect_background conflicts/races with any
"expect -i $server_spawn_id" done anywhere else in parallel...
In order to make it possible for tests to read inferior I/O out of
$server_spawn_id, we to get rid of that expect_background. This patch
makes us instead reap gdbserver's spawn id when GDB exits. If GDB is
still around, this gives a chance for gdbserver to exit cleanly. The
current code in gdb_finish uses "kill", but that doesn't work with
extended-remote (gdbserver doesn't exit). We now use "monitor exit"
instead which works in both remote and extended-remote modes.
gdb/testsuite/ChangeLog:
2015-04-07 Pedro Alves <palves@redhat.com>
* lib/gdb.exp (gdb_finish): Delete persistent gdbserver handling.
* lib/gdbserver-support.exp (gdbserver_start): Make
$server_spawn_id global.
(gdbserver_start): Don't wait for gdbserver's spawn id with
expect_background.
(close_gdbserver): New procedure.
(gdb_exit): Rename the default version and reimplement.
|
|
While teaching gdb_test_multiple to forward "-i" to gdb_expect, I
found that with:
gdb_test_multiple (...) {
-i $some_variable -re "..." {}
}
$some_variable was not getting expanded in the gdb_test_multiple
caller's scope. This is a bug inside gdb_test_multiple. When
processing an argument in passed in user code, it was appending the
original argument literally, instead of appending the uplist'ed
argument.
gdb/testsuite/ChangeLog:
2015-04-07 Pedro Alves <palves@redhat.com>
* lib/gdb.exp (gdb_test_multiple): When processing an argument,
append the substituted item, not the original item.
|
|
This patch is based on the testcase provided here:
https://sourceware.org/ml/gdb-patches/2015-02/msg00181.html
I've verified that it catches the internal error discovered here:
https://sourceware.org/ml/gdb-patches/2015-02/msg00139.html
gdb/testsuite/ChangeLog:
* lib/gdb.exp (clean_restart): Return result of gdb_load.
* gdb.pascal/stub-method.exp: New file.
* gdb.pascal/stub-method.pas: New file.
|
|
The "dest" parameter to fpc_compile/gpc_compile is the name of
compilation destination file, not a board name.
This patch fixes this by using names consistent with
lib/future.exp:gdb_default_target_compile.
gdb/testsuite/ChangeLog:
* lib/pascal.exp (gpc_compile): Rename dest arg to destfile.
Fix dest parameter to board_info.
(fpc_compile): Ditto.
(gdb_compile_pascal): Rename dest arg to destfile.
|
|
Running attach.exp with a DejaGnu board that sets GDBFLAGS, like
e.g.,:
set GDBFLAGS "-ex \"set displaced off\""
fails with (line breaks added for clarity):
(gdb) PASS: gdb.base/attach.exp: starting with --pid
Executing on build: kill -9 3537 (timeout = 300)
spawn -ignore SIGHUP kill -9 3537
spawn of build/gdb/gdb -nw -nx \
-data-directory build/gdb/testsuite/../data-directory \
-ex "set displaced off"-iex "set height 0" -iex "set width 0" \
^^^^^^^^
--pid=4468 -ex "start" failed
ERROR: Spawning build/gdb/gdb failed.
UNRESOLVED: gdb.base/attach.exp: cmdline attach run: run to prompt
gdb/testsuite/ChangeLog:
2015-04-01 Pedro Alves <palves@redhat.com>
* lib/gdb.exp (gdb_spawn_with_cmdline_opts): Append space to
GDBFLAGS if not empty.
|
|
gdb/testsuite/ChangeLog:
* gdb.ada/complete.exp: Remove "multi_line".
* gdb.ada/info_exc.exp: Remove "multi_line".
* gdb.ada/packed_tagged.exp: Remove "multi_line".
* gdb.ada/ptype_field.exp: Remove "multi_line".
* gdb.ada/sym_print_name.exp: Remove "multi_line".
* gdb.ada/tagged.exp: Remove "multi_line".
* gdb.btrace/buffer-size.exp: Replace [join [list ...]] with
[multi_line ...]
* gdb.btrace/delta.exp: Likewise.
* gdb.btrace/exception.exp: Likewise.
* gdb.btrace/function_call_history.exp: Likewise.
* gdb.btrace/instruction_history.exp: Likewise.
* gdb.btrace/nohist.exp: Likewise.
* gdb.btrace/record_goto.exp: Likewise.
* gdb.btrace/segv.exp: Likewise.
* gdb.btrace/stepi.exp: Likewise.
* gdb.btrace/tailcall.exp: Likewise.
* gdb.btrace/unknown_functions.exp: Likewise.
* gdb.dwarf2/dw2-undefined-ret-addr.exp: Likewise.
* lib/gdb.exp: Add the "multi_line" helper.
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Example of use:
Dwarf::assemble "foo.s" {
build_id 0102030405060708
declare_labels L;
cu {is_64 0 version 4 addr_size 8} {
DW_TAG_compile_unit {
{DW_AT_stmt_list $L DW_FORM_sec_offset}
} {
DW_TAG_subprogram {
# We can now reference the source file.
{DW_AT_decl_file 1 DW_FORM_data1}
}
}
}
lines {is_64 0 version 2 addr_size 8} L {
include_dir "foo"
include_dir "bar"
file_name "foo.c" 1
file_name "bar.c" 1
file_name "baz.c" 2
}
}
Signed-off-by: Petr Machata <pmachata@redhat.com>
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Exactly like x86_64-*-mingw, SYMBOL_PREFIX should not be set to "_" for
x86_64_*_cygwin
gdb/testuite/ChangeLog:
* lib/gdb.exp (gdb_target_symbol_prefix_flags): Don't set
SYMBOL_PREFIX for x86_64-*-cygwin.
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