35 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Joel Brobecker
|
b811d2c292 |
Update copyright year range in all GDB files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
|
|
Tom Tromey
|
268a13a5a3 |
Rename common to gdbsupport
This is the next patch in the ongoing series to move gdbsever to the top level. This patch just renames the "common" directory. The idea is to do this move in two parts: first rename the directory (this patch), then move the directory to the top. This approach makes the patches a bit more tractable. I chose the name "gdbsupport" for the directory. However, as this patch was largely written by sed, we could pick a new name without too much difficulty. Tested by the buildbot. gdb/ChangeLog 2019-07-09 Tom Tromey <tom@tromey.com> * contrib/ari/gdb_ari.sh: Change common to gdbsupport. * configure: Rebuild. * configure.ac: Change common to gdbsupport. * gdbsupport: Rename from common. * acinclude.m4: Change common to gdbsupport. * Makefile.in (CONFIG_SRC_SUBDIR, COMMON_SFILES) (HFILES_NO_SRCDIR, stamp-version, ALLDEPFILES): Change common to gdbsupport. * aarch64-tdep.c, ada-lang.c, ada-lang.h, agent.c, alloc.c, amd64-darwin-tdep.c, amd64-dicos-tdep.c, amd64-fbsd-nat.c, amd64-fbsd-tdep.c, amd64-linux-nat.c, amd64-linux-tdep.c, amd64-nbsd-tdep.c, amd64-obsd-tdep.c, amd64-sol2-tdep.c, amd64-tdep.c, amd64-windows-tdep.c, arch-utils.c, arch/aarch64-insn.c, arch/aarch64.c, arch/aarch64.h, arch/amd64.c, arch/amd64.h, arch/arm-get-next-pcs.c, arch/arm-linux.c, arch/arm.c, arch/i386.c, arch/i386.h, arch/ppc-linux-common.c, arch/riscv.c, arch/riscv.h, arch/tic6x.c, arm-tdep.c, auto-load.c, auxv.c, ax-gdb.c, ax-general.c, ax.h, breakpoint.c, breakpoint.h, btrace.c, btrace.h, build-id.c, build-id.h, c-lang.h, charset.c, charset.h, cli/cli-cmds.c, cli/cli-cmds.h, cli/cli-decode.c, cli/cli-dump.c, cli/cli-option.h, cli/cli-script.c, coff-pe-read.c, command.h, compile/compile-c-support.c, compile/compile-c.h, compile/compile-cplus-symbols.c, compile/compile-cplus-types.c, compile/compile-cplus.h, compile/compile-loc2c.c, compile/compile.c, completer.c, completer.h, contrib/ari/gdb_ari.sh, corefile.c, corelow.c, cp-support.c, cp-support.h, cp-valprint.c, csky-tdep.c, ctf.c, darwin-nat.c, debug.c, defs.h, disasm-selftests.c, disasm.c, disasm.h, dtrace-probe.c, dwarf-index-cache.c, dwarf-index-cache.h, dwarf-index-write.c, dwarf2-frame.c, dwarf2expr.c, dwarf2loc.c, dwarf2read.c, event-loop.c, event-top.c, exceptions.c, exec.c, extension.h, fbsd-nat.c, features/aarch64-core.c, features/aarch64-fpu.c, features/aarch64-pauth.c, features/aarch64-sve.c, features/i386/32bit-avx.c, features/i386/32bit-avx512.c, features/i386/32bit-core.c, features/i386/32bit-linux.c, features/i386/32bit-mpx.c, features/i386/32bit-pkeys.c, features/i386/32bit-segments.c, features/i386/32bit-sse.c, features/i386/64bit-avx.c, features/i386/64bit-avx512.c, features/i386/64bit-core.c, features/i386/64bit-linux.c, features/i386/64bit-mpx.c, features/i386/64bit-pkeys.c, features/i386/64bit-segments.c, features/i386/64bit-sse.c, features/i386/x32-core.c, features/riscv/32bit-cpu.c, features/riscv/32bit-csr.c, features/riscv/32bit-fpu.c, features/riscv/64bit-cpu.c, features/riscv/64bit-csr.c, features/riscv/64bit-fpu.c, features/tic6x-c6xp.c, features/tic6x-core.c, features/tic6x-gp.c, filename-seen-cache.h, findcmd.c, findvar.c, fork-child.c, gcore.c, gdb_bfd.c, gdb_bfd.h, gdb_proc_service.h, gdb_regex.c, gdb_select.h, gdb_usleep.c, gdbarch-selftests.c, gdbthread.h, gdbtypes.h, gnu-nat.c, go32-nat.c, guile/guile.c, guile/scm-ports.c, guile/scm-safe-call.c, guile/scm-type.c, i386-fbsd-nat.c, i386-fbsd-tdep.c, i386-go32-tdep.c, i386-linux-nat.c, i386-linux-tdep.c, i386-tdep.c, i387-tdep.c, ia64-libunwind-tdep.c, ia64-linux-nat.c, inf-child.c, inf-ptrace.c, infcall.c, infcall.h, infcmd.c, inferior-iter.h, inferior.c, inferior.h, inflow.c, inflow.h, infrun.c, infrun.h, inline-frame.c, language.h, linespec.c, linux-fork.c, linux-nat.c, linux-tdep.c, linux-thread-db.c, location.c, machoread.c, macrotab.h, main.c, maint.c, maint.h, memattr.c, memrange.h, mi/mi-cmd-break.h, mi/mi-cmd-env.c, mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-interp.c, mi/mi-main.c, mi/mi-parse.h, minsyms.c, mips-linux-tdep.c, namespace.h, nat/aarch64-linux-hw-point.c, nat/aarch64-linux-hw-point.h, nat/aarch64-linux.c, nat/aarch64-sve-linux-ptrace.c, nat/amd64-linux-siginfo.c, nat/fork-inferior.c, nat/linux-btrace.c, nat/linux-btrace.h, nat/linux-namespaces.c, nat/linux-nat.h, nat/linux-osdata.c, nat/linux-personality.c, nat/linux-procfs.c, nat/linux-ptrace.c, nat/linux-ptrace.h, nat/linux-waitpid.c, nat/mips-linux-watch.c, nat/mips-linux-watch.h, nat/ppc-linux.c, nat/x86-dregs.c, nat/x86-dregs.h, nat/x86-linux-dregs.c, nat/x86-linux.c, nto-procfs.c, nto-tdep.c, objfile-flags.h, objfiles.c, objfiles.h, obsd-nat.c, observable.h, osdata.c, p-valprint.c, parse.c, parser-defs.h, ppc-linux-nat.c, printcmd.c, probe.c, proc-api.c, procfs.c, producer.c, progspace.h, psymtab.h, python/py-framefilter.c, python/py-inferior.c, python/py-ref.h, python/py-type.c, python/python.c, record-btrace.c, record-full.c, record.c, record.h, regcache-dump.c, regcache.c, regcache.h, remote-fileio.c, remote-fileio.h, remote-sim.c, remote.c, riscv-tdep.c, rs6000-aix-tdep.c, rust-exp.y, s12z-tdep.c, selftest-arch.c, ser-base.c, ser-event.c, ser-pipe.c, ser-tcp.c, ser-unix.c, skip.c, solib-aix.c, solib-target.c, solib.c, source-cache.c, source.c, source.h, sparc-nat.c, spu-linux-nat.c, stack.c, stap-probe.c, symfile-add-flags.h, symfile.c, symfile.h, symtab.c, symtab.h, target-descriptions.c, target-descriptions.h, target-memory.c, target.c, target.h, target/waitstatus.c, target/waitstatus.h, thread-iter.h, thread.c, tilegx-tdep.c, top.c, top.h, tracefile-tfile.c, tracefile.c, tracepoint.c, tracepoint.h, tui/tui-io.c, ui-file.c, ui-out.h, unittests/array-view-selftests.c, unittests/child-path-selftests.c, unittests/cli-utils-selftests.c, unittests/common-utils-selftests.c, unittests/copy_bitwise-selftests.c, unittests/environ-selftests.c, unittests/format_pieces-selftests.c, unittests/function-view-selftests.c, unittests/lookup_name_info-selftests.c, unittests/memory-map-selftests.c, unittests/memrange-selftests.c, unittests/mkdir-recursive-selftests.c, unittests/observable-selftests.c, unittests/offset-type-selftests.c, unittests/optional-selftests.c, unittests/parse-connection-spec-selftests.c, unittests/ptid-selftests.c, unittests/rsp-low-selftests.c, unittests/scoped_fd-selftests.c, unittests/scoped_mmap-selftests.c, unittests/scoped_restore-selftests.c, unittests/string_view-selftests.c, unittests/style-selftests.c, unittests/tracepoint-selftests.c, unittests/unpack-selftests.c, unittests/utils-selftests.c, unittests/xml-utils-selftests.c, utils.c, utils.h, valarith.c, valops.c, valprint.c, value.c, value.h, varobj.c, varobj.h, windows-nat.c, x86-linux-nat.c, xml-support.c, xml-support.h, xml-tdesc.h, xstormy16-tdep.c, xtensa-linux-nat.c, dwarf2read.h: Change common to gdbsupport. gdb/gdbserver/ChangeLog 2019-07-09 Tom Tromey <tom@tromey.com> * configure: Rebuild. * configure.ac: Change common to gdbsupport. * acinclude.m4: Change common to gdbsupport. * Makefile.in (SFILES, OBS, GDBREPLAY_OBS, IPA_OBJS) (version-generated.c, gdbsupport/%-ipa.o, gdbsupport/%.o): Change common to gdbsupport. * ax.c, event-loop.c, fork-child.c, gdb_proc_service.h, gdbreplay.c, gdbthread.h, hostio-errno.c, hostio.c, i387-fp.c, inferiors.c, inferiors.h, linux-aarch64-tdesc-selftest.c, linux-amd64-ipa.c, linux-i386-ipa.c, linux-low.c, linux-tic6x-low.c, linux-x86-low.c, linux-x86-tdesc-selftest.c, linux-x86-tdesc.c, lynx-i386-low.c, lynx-low.c, mem-break.h, nto-x86-low.c, regcache.c, regcache.h, remote-utils.c, server.c, server.h, spu-low.c, symbol.c, target.h, tdesc.c, tdesc.h, thread-db.c, tracepoint.c, win32-i386-low.c, win32-low.c: Change common to gdbsupport. |
|
Philippe Waroquiers
|
c29705b71a |
Fix internal error and improve 'set debug infrun 1'/target wait kind trace
The test gdb.threads/watchthreads-reorder.exp verifies that the
'set debug infrun 1' debug output does not crash GDB.
Under high load, the test can still cause a GDB internal error (see details
below).
This patch fixes this crash, and improves/factorises some wait kind traces.
Tested on debian/amd64 + run one test with 'set debug infrun 1'.
Changes compared to the first version:
* Handles the suggestions of Kevin to trace the relevant elements
of the wait status (this is done by calling target_waitstatus_to_string).
* Some other changes to factorise wait status tracing.
Note that using target_waitstatus_to_string instead of the 'locally printed'
status kind strings means that debug trace that was using strings such as:
"EXITED" or "TARGET_WAITKIND_EXITED"
will now use what is printed by target_waitstatus_to_string e.g.
"exited".
gdb/ChangeLog
2019-04-01 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* infrun.c (stop_all_threads): If debug_infrun, always
trace the wait status after wait_one, using
target_waitstatus_to_string and target_pid_to_str.
(handle_inferior_event): Replace various trace of
wait status kind by a single trace.
* gdb/gnu-nat.c (gnu_nat_target::wait): Replace local
wait status kind image by target_waitstatus_to_string.
* target/waitstatus.c (target_waitstatus_to_string): Fix
obsolete comment.
(top-gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007f3d54a0642a in __GI_abort () at abort.c:89
#2 0x0000555c24c60e66 in dump_core () at ../../fixleaks/gdb/utils.c:201
#3 0x0000555c24c63d49 in internal_vproblem(internal_problem *, const char *, int, const char *, typedef __va_list_tag __va_list_tag *) (problem=problem@entry=0x555c25338d40 <internal_error_problem>, file=<optimized out>, line=287,
fmt=<optimized out>, ap=<optimized out>) at ../../fixleaks/gdb/utils.c:411
#4 0x0000555c24c63eab in internal_verror (file=<optimized out>, line=<optimized out>, fmt=<optimized out>,
ap=<optimized out>) at ../../fixleaks/gdb/utils.c:436
#5 0x0000555c249e8c22 in internal_error (file=file@entry=0x555c24e0f2ad "../../fixleaks/gdb/inferior.c",
line=line@entry=287, fmt=<optimized out>) at ../../fixleaks/gdb/common/errors.c:55
#6 0x0000555c247d3f5c in find_inferior_pid (pid=<optimized out>) at ../../fixleaks/gdb/inferior.c:287
#7 0x0000555c24ad2248 in find_inferior_pid (pid=<optimized out>) at ../../fixleaks/gdb/inferior.c:302
#8 find_inferior_ptid (ptid=...) at ../../fixleaks/gdb/inferior.c:301
#9 0x0000555c24c35f25 in find_thread_ptid (ptid=...) at ../../fixleaks/gdb/thread.c:522
#10 0x0000555c24b0ab4d in thread_db_target::pid_to_str[abi:cxx11](ptid_t) (
this=0x555c2532e3e0 <the_thread_db_target>, ptid=...) at ../../fixleaks/gdb/linux-thread-db.c:1637
#11 0x0000555c24c2f420 in target_pid_to_str[abi:cxx11](ptid_t) (ptid=...) at ../../fixleaks/gdb/target.c:2083
#12 0x0000555c24ad9cab in stop_all_threads () at ../../fixleaks/gdb/infrun.c:4373
#13 0x0000555c24ada00f in stop_waiting (ecs=<optimized out>) at ../../fixleaks/gdb/infrun.c:7464
#14 0x0000555c24adc401 in process_event_stop_test (ecs=ecs@entry=0x7ffc9402d9d0) at ../../fixleaks/gdb/infrun.c:6181
...
(top-gdb) fr 12
#12 0x0000555c24ad9cab in stop_all_threads () at ../../fixleaks/gdb/infrun.c:4373
(top-gdb) p event_ptid
$5 = {m_pid = 25419, m_lwp = 25427, m_tid = 0}
(top-gdb) p ptid
$6 = {m_pid = 0, m_lwp = 0, m_tid = 0}
(top-gdb) p ws
$7 = {kind = TARGET_WAITKIND_THREAD_EXITED, value = {integer = 0, sig = GDB_SIGNAL_0, related_pid = {m_pid = 0,
m_lwp = 0, m_tid = 0}, execd_pathname = 0x0, syscall_number = 0}}
(top-gdb)
The gdb.log corresponding to the above crash is:
(gdb) PASS: gdb.threads/watchthreads-reorder.exp: reorder1: set debug infrun 1
continue
Continuing.
infrun: clear_proceed_status_thread (Thread 0x7ffff7fcfb40 (LWP 25419))
infrun: clear_proceed_status_thread (Thread 0x7ffff7310700 (LWP 25427))
infrun: clear_proceed_status_thread (Thread 0x7ffff6b0f700 (LWP 25428))
infrun: proceed (addr=0xffffffffffffffff, signal=GDB_SIGNAL_DEFAULT)
infrun: proceed: resuming Thread 0x7ffff7fcfb40 (LWP 25419)
infrun: resume (step=0, signal=GDB_SIGNAL_0), trap_expected=0, current thread [Thread 0x7ffff7fcfb40 (LWP 25419)] at 0x7ffff7344317
infrun: infrun_async(1)
infrun: prepare_to_wait
infrun: proceed: resuming Thread 0x7ffff7310700 (LWP 25427)
infrun: resume (step=0, signal=GDB_SIGNAL_0), trap_expected=0, current thread [Thread 0x7ffff7310700 (LWP 25427)] at 0x5555555553d7
infrun: prepare_to_wait
infrun: proceed: resuming Thread 0x7ffff6b0f700 (LWP 25428)
infrun: resume (step=0, signal=GDB_SIGNAL_0), trap_expected=0, current thread [Thread 0x7ffff6b0f700 (LWP 25428)] at 0x5555555554c8
infrun: prepare_to_wait
infrun: target_wait (-1.0.0, status) =
infrun: -1.0.0 [process -1],
infrun: status->kind = ignore
infrun: TARGET_WAITKIND_IGNORE
infrun: prepare_to_wait
Joining the threads.
[Thread 0x7ffff6b0f700 (LWP 25428) exited]
infrun: target_wait (-1.0.0, status) =
infrun: -1.0.0 [process -1],
infrun: status->kind = ignore
infrun: TARGET_WAITKIND_IGNORE
infrun: prepare_to_wait
infrun: target_wait (-1.0.0, status) =
infrun: 25419.25419.0 [Thread 0x7ffff7fcfb40 (LWP 25419)],
infrun: status->kind = stopped, signal = GDB_SIGNAL_TRAP
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x555555555e50
infrun: context switch
infrun: Switching context from Thread 0x7ffff6b0f700 (LWP 25428) to Thread 0x7ffff7fcfb40 (LWP 25419)
infrun: BPSTAT_WHAT_STOP_NOISY
infrun: stop_waiting
infrun: stop_all_threads
infrun: stop_all_threads, pass=0, iterations=0
infrun: Thread 0x7ffff7fcfb40 (LWP 25419) not executing
infrun: Thread 0x7ffff7310700 (LWP 25427) executing, need stop
[Thread 0x7ffff7310700 (LWP 25427) exited]
infrun: target_wait (-1.0.0, status) =
infrun: 25419.25427.0 [LWP 25427],
infrun: status->kind = thread exited, status = 0
infrun: infrun_async(0)
../../fixleaks/gdb/inferior.c:287: internal-error: inferior* find_inferior_pid(int): Assertion `pid != 0' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) FAIL: gdb.threads/watchthreads-reorder.exp: reorder1: continue to breakpoint: break-at-exit (GDB internal error)
Resyncing due to internal error.
n
infrun: infrun_async(1)
This is a bug, please report it. For instructions, see:
<http://www.gnu.org/software/gdb/bugs/>.
infrun: infrun_async(0)
../../fixleaks/gdb/inferior.c:287: internal-error: inferior* find_inferior_pid(int): Assertion `pid != 0' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) y
|
|
|
Tom Tromey
|
1a5c25988e |
Normalize include guards in gdb
While working on my other scripts to deal with gdb headers, I noticed
that some files were missing include guards. I wrote a script to add
the missing ones, but found that using the obvious names for the
guards ran into clashes -- for example, gdb/nat/linux-nat.h used
"LINUX_NAT_H", but this was also the script's choice for
gdb/linux-nat.h.
So, I changed the script to normalize all include guards in gdb. This
patch is the result.
As usual the script is available here:
https://github.com/tromey/gdb-refactoring-scripts
Tested by rebuilding; I also ran it through "Fedora-x86_64-m64" on the
buildbot.
gdb/ChangeLog
2019-02-07 Tom Tromey <tom@tromey.com>
* yy-remap.h: Add include guard.
* xtensa-tdep.h: Add include guard.
* xcoffread.h: Rename include guard.
* varobj-iter.h: Add include guard.
* tui/tui.h: Rename include guard.
* tui/tui-winsource.h: Rename include guard.
* tui/tui-wingeneral.h: Rename include guard.
* tui/tui-windata.h: Rename include guard.
* tui/tui-win.h: Rename include guard.
* tui/tui-stack.h: Rename include guard.
* tui/tui-source.h: Rename include guard.
* tui/tui-regs.h: Rename include guard.
* tui/tui-out.h: Rename include guard.
* tui/tui-layout.h: Rename include guard.
* tui/tui-io.h: Rename include guard.
* tui/tui-hooks.h: Rename include guard.
* tui/tui-file.h: Rename include guard.
* tui/tui-disasm.h: Rename include guard.
* tui/tui-data.h: Rename include guard.
* tui/tui-command.h: Rename include guard.
* tic6x-tdep.h: Add include guard.
* target/waitstatus.h: Rename include guard.
* target/wait.h: Rename include guard.
* target/target.h: Rename include guard.
* target/resume.h: Rename include guard.
* target-float.h: Rename include guard.
* stabsread.h: Add include guard.
* rs6000-tdep.h: Add include guard.
* riscv-fbsd-tdep.h: Add include guard.
* regformats/regdef.h: Rename include guard.
* record.h: Rename include guard.
* python/python.h: Rename include guard.
* python/python-internal.h: Rename include guard.
* python/py-stopevent.h: Rename include guard.
* python/py-ref.h: Rename include guard.
* python/py-record.h: Rename include guard.
* python/py-record-full.h: Rename include guard.
* python/py-record-btrace.h: Rename include guard.
* python/py-instruction.h: Rename include guard.
* python/py-events.h: Rename include guard.
* python/py-event.h: Rename include guard.
* procfs.h: Add include guard.
* proc-utils.h: Add include guard.
* p-lang.h: Add include guard.
* or1k-tdep.h: Rename include guard.
* observable.h: Rename include guard.
* nto-tdep.h: Rename include guard.
* nat/x86-linux.h: Rename include guard.
* nat/x86-linux-dregs.h: Rename include guard.
* nat/x86-gcc-cpuid.h: Add include guard.
* nat/x86-dregs.h: Rename include guard.
* nat/x86-cpuid.h: Rename include guard.
* nat/ppc-linux.h: Rename include guard.
* nat/mips-linux-watch.h: Rename include guard.
* nat/linux-waitpid.h: Rename include guard.
* nat/linux-ptrace.h: Rename include guard.
* nat/linux-procfs.h: Rename include guard.
* nat/linux-osdata.h: Rename include guard.
* nat/linux-nat.h: Rename include guard.
* nat/linux-namespaces.h: Rename include guard.
* nat/linux-btrace.h: Rename include guard.
* nat/glibc_thread_db.h: Rename include guard.
* nat/gdb_thread_db.h: Rename include guard.
* nat/gdb_ptrace.h: Rename include guard.
* nat/fork-inferior.h: Rename include guard.
* nat/amd64-linux-siginfo.h: Rename include guard.
* nat/aarch64-sve-linux-sigcontext.h: Rename include guard.
* nat/aarch64-sve-linux-ptrace.h: Rename include guard.
* nat/aarch64-linux.h: Rename include guard.
* nat/aarch64-linux-hw-point.h: Rename include guard.
* mn10300-tdep.h: Add include guard.
* mips-linux-tdep.h: Add include guard.
* mi/mi-parse.h: Rename include guard.
* mi/mi-out.h: Rename include guard.
* mi/mi-main.h: Rename include guard.
* mi/mi-interp.h: Rename include guard.
* mi/mi-getopt.h: Rename include guard.
* mi/mi-console.h: Rename include guard.
* mi/mi-common.h: Rename include guard.
* mi/mi-cmds.h: Rename include guard.
* mi/mi-cmd-break.h: Rename include guard.
* m2-lang.h: Add include guard.
* location.h: Rename include guard.
* linux-record.h: Rename include guard.
* linux-nat.h: Add include guard.
* linux-fork.h: Add include guard.
* i386-darwin-tdep.h: Rename include guard.
* hppa-linux-offsets.h: Add include guard.
* guile/guile.h: Rename include guard.
* guile/guile-internal.h: Rename include guard.
* gnu-nat.h: Rename include guard.
* gdb-stabs.h: Rename include guard.
* frv-tdep.h: Add include guard.
* f-lang.h: Add include guard.
* event-loop.h: Add include guard.
* darwin-nat.h: Rename include guard.
* cp-abi.h: Rename include guard.
* config/sparc/nm-sol2.h: Rename include guard.
* config/nm-nto.h: Rename include guard.
* config/nm-linux.h: Add include guard.
* config/i386/nm-i386gnu.h: Rename include guard.
* config/djgpp/nl_types.h: Rename include guard.
* config/djgpp/langinfo.h: Rename include guard.
* compile/gcc-cp-plugin.h: Add include guard.
* compile/gcc-c-plugin.h: Add include guard.
* compile/compile.h: Rename include guard.
* compile/compile-object-run.h: Rename include guard.
* compile/compile-object-load.h: Rename include guard.
* compile/compile-internal.h: Rename include guard.
* compile/compile-cplus.h: Rename include guard.
* compile/compile-c.h: Rename include guard.
* common/xml-utils.h: Rename include guard.
* common/x86-xstate.h: Rename include guard.
* common/version.h: Rename include guard.
* common/vec.h: Rename include guard.
* common/tdesc.h: Rename include guard.
* common/selftest.h: Rename include guard.
* common/scoped_restore.h: Rename include guard.
* common/scoped_mmap.h: Rename include guard.
* common/scoped_fd.h: Rename include guard.
* common/safe-iterator.h: Rename include guard.
* common/run-time-clock.h: Rename include guard.
* common/refcounted-object.h: Rename include guard.
* common/queue.h: Rename include guard.
* common/ptid.h: Rename include guard.
* common/print-utils.h: Rename include guard.
* common/preprocessor.h: Rename include guard.
* common/pathstuff.h: Rename include guard.
* common/observable.h: Rename include guard.
* common/netstuff.h: Rename include guard.
* common/job-control.h: Rename include guard.
* common/host-defs.h: Rename include guard.
* common/gdb_wait.h: Rename include guard.
* common/gdb_vecs.h: Rename include guard.
* common/gdb_unlinker.h: Rename include guard.
* common/gdb_unique_ptr.h: Rename include guard.
* common/gdb_tilde_expand.h: Rename include guard.
* common/gdb_sys_time.h: Rename include guard.
* common/gdb_string_view.h: Rename include guard.
* common/gdb_splay_tree.h: Rename include guard.
* common/gdb_setjmp.h: Rename include guard.
* common/gdb_ref_ptr.h: Rename include guard.
* common/gdb_optional.h: Rename include guard.
* common/gdb_locale.h: Rename include guard.
* common/gdb_assert.h: Rename include guard.
* common/filtered-iterator.h: Rename include guard.
* common/filestuff.h: Rename include guard.
* common/fileio.h: Rename include guard.
* common/environ.h: Rename include guard.
* common/common-utils.h: Rename include guard.
* common/common-types.h: Rename include guard.
* common/common-regcache.h: Rename include guard.
* common/common-inferior.h: Rename include guard.
* common/common-gdbthread.h: Rename include guard.
* common/common-exceptions.h: Rename include guard.
* common/common-defs.h: Rename include guard.
* common/common-debug.h: Rename include guard.
* common/cleanups.h: Rename include guard.
* common/buffer.h: Rename include guard.
* common/btrace-common.h: Rename include guard.
* common/break-common.h: Rename include guard.
* cli/cli-utils.h: Rename include guard.
* cli/cli-style.h: Rename include guard.
* cli/cli-setshow.h: Rename include guard.
* cli/cli-script.h: Rename include guard.
* cli/cli-interp.h: Rename include guard.
* cli/cli-decode.h: Rename include guard.
* cli/cli-cmds.h: Rename include guard.
* charset-list.h: Add include guard.
* buildsym-legacy.h: Rename include guard.
* bfin-tdep.h: Add include guard.
* ax.h: Rename include guard.
* arm-linux-tdep.h: Add include guard.
* arm-fbsd-tdep.h: Add include guard.
* arch/xtensa.h: Rename include guard.
* arch/tic6x.h: Add include guard.
* arch/i386.h: Add include guard.
* arch/arm.h: Rename include guard.
* arch/arm-linux.h: Rename include guard.
* arch/arm-get-next-pcs.h: Rename include guard.
* arch/amd64.h: Add include guard.
* arch/aarch64-insn.h: Rename include guard.
* arch-utils.h: Rename include guard.
* annotate.h: Add include guard.
* amd64-darwin-tdep.h: Rename include guard.
* aarch64-linux-tdep.h: Add include guard.
* aarch64-fbsd-tdep.h: Add include guard.
* aarch32-linux-nat.h: Add include guard.
gdb/gdbserver/ChangeLog
2019-02-07 Tom Tromey <tom@tromey.com>
* x86-tdesc.h: Rename include guard.
* x86-low.h: Add include guard.
* wincecompat.h: Rename include guard.
* win32-low.h: Add include guard.
* utils.h: Rename include guard.
* tracepoint.h: Rename include guard.
* tdesc.h: Rename include guard.
* target.h: Rename include guard.
* server.h: Rename include guard.
* remote-utils.h: Rename include guard.
* regcache.h: Rename include guard.
* nto-low.h: Rename include guard.
* notif.h: Add include guard.
* mem-break.h: Rename include guard.
* lynx-low.h: Add include guard.
* linux-x86-tdesc.h: Add include guard.
* linux-s390-tdesc.h: Add include guard.
* linux-ppc-tdesc-init.h: Add include guard.
* linux-low.h: Add include guard.
* linux-aarch64-tdesc.h: Add include guard.
* linux-aarch32-low.h: Add include guard.
* inferiors.h: Rename include guard.
* i387-fp.h: Rename include guard.
* hostio.h: Rename include guard.
* gdbthread.h: Rename include guard.
* gdb_proc_service.h: Rename include guard.
* event-loop.h: Rename include guard.
* dll.h: Rename include guard.
* debug.h: Rename include guard.
* ax.h: Rename include guard.
|
|
|
Tom Tromey
|
0747795c08 |
Normalize includes to use common/
This changes all includes to use the form "common/filename.h" rather than just "filename.h". This was written by a script. gdb/ChangeLog 2019-01-25 Tom Tromey <tom@tromey.com> * xtensa-linux-nat.c: Fix common/ includes. * xml-support.h: Fix common/ includes. * xml-support.c: Fix common/ includes. * x86-linux-nat.c: Fix common/ includes. * windows-nat.c: Fix common/ includes. * varobj.h: Fix common/ includes. * varobj.c: Fix common/ includes. * value.c: Fix common/ includes. * valops.c: Fix common/ includes. * utils.c: Fix common/ includes. * unittests/xml-utils-selftests.c: Fix common/ includes. * unittests/utils-selftests.c: Fix common/ includes. * unittests/unpack-selftests.c: Fix common/ includes. * unittests/tracepoint-selftests.c: Fix common/ includes. * unittests/style-selftests.c: Fix common/ includes. * unittests/string_view-selftests.c: Fix common/ includes. * unittests/scoped_restore-selftests.c: Fix common/ includes. * unittests/scoped_mmap-selftests.c: Fix common/ includes. * unittests/scoped_fd-selftests.c: Fix common/ includes. * unittests/rsp-low-selftests.c: Fix common/ includes. * unittests/parse-connection-spec-selftests.c: Fix common/ includes. * unittests/optional-selftests.c: Fix common/ includes. * unittests/offset-type-selftests.c: Fix common/ includes. * unittests/observable-selftests.c: Fix common/ includes. * unittests/mkdir-recursive-selftests.c: Fix common/ includes. * unittests/memrange-selftests.c: Fix common/ includes. * unittests/memory-map-selftests.c: Fix common/ includes. * unittests/lookup_name_info-selftests.c: Fix common/ includes. * unittests/function-view-selftests.c: Fix common/ includes. * unittests/environ-selftests.c: Fix common/ includes. * unittests/copy_bitwise-selftests.c: Fix common/ includes. * unittests/common-utils-selftests.c: Fix common/ includes. * unittests/cli-utils-selftests.c: Fix common/ includes. * unittests/array-view-selftests.c: Fix common/ includes. * ui-file.c: Fix common/ includes. * tui/tui-io.c: Fix common/ includes. * tracepoint.h: Fix common/ includes. * tracepoint.c: Fix common/ includes. * tracefile-tfile.c: Fix common/ includes. * top.h: Fix common/ includes. * top.c: Fix common/ includes. * thread.c: Fix common/ includes. * target/waitstatus.h: Fix common/ includes. * target/waitstatus.c: Fix common/ includes. * target.h: Fix common/ includes. * target.c: Fix common/ includes. * target-memory.c: Fix common/ includes. * target-descriptions.c: Fix common/ includes. * symtab.h: Fix common/ includes. * symfile.c: Fix common/ includes. * stap-probe.c: Fix common/ includes. * spu-linux-nat.c: Fix common/ includes. * sparc-nat.c: Fix common/ includes. * source.c: Fix common/ includes. * solib.c: Fix common/ includes. * solib-target.c: Fix common/ includes. * ser-unix.c: Fix common/ includes. * ser-tcp.c: Fix common/ includes. * ser-pipe.c: Fix common/ includes. * ser-base.c: Fix common/ includes. * selftest-arch.c: Fix common/ includes. * s12z-tdep.c: Fix common/ includes. * rust-exp.y: Fix common/ includes. * rs6000-aix-tdep.c: Fix common/ includes. * riscv-tdep.c: Fix common/ includes. * remote.c: Fix common/ includes. * remote-notif.h: Fix common/ includes. * remote-fileio.h: Fix common/ includes. * remote-fileio.c: Fix common/ includes. * regcache.h: Fix common/ includes. * regcache.c: Fix common/ includes. * record-btrace.c: Fix common/ includes. * python/python.c: Fix common/ includes. * python/py-type.c: Fix common/ includes. * python/py-inferior.c: Fix common/ includes. * progspace.h: Fix common/ includes. * producer.c: Fix common/ includes. * procfs.c: Fix common/ includes. * proc-api.c: Fix common/ includes. * printcmd.c: Fix common/ includes. * ppc-linux-nat.c: Fix common/ includes. * parser-defs.h: Fix common/ includes. * osdata.c: Fix common/ includes. * obsd-nat.c: Fix common/ includes. * nat/x86-linux.c: Fix common/ includes. * nat/x86-linux-dregs.c: Fix common/ includes. * nat/x86-dregs.h: Fix common/ includes. * nat/x86-dregs.c: Fix common/ includes. * nat/ppc-linux.c: Fix common/ includes. * nat/mips-linux-watch.h: Fix common/ includes. * nat/mips-linux-watch.c: Fix common/ includes. * nat/linux-waitpid.c: Fix common/ includes. * nat/linux-ptrace.h: Fix common/ includes. * nat/linux-ptrace.c: Fix common/ includes. * nat/linux-procfs.c: Fix common/ includes. * nat/linux-personality.c: Fix common/ includes. * nat/linux-osdata.c: Fix common/ includes. * nat/linux-namespaces.c: Fix common/ includes. * nat/linux-btrace.h: Fix common/ includes. * nat/linux-btrace.c: Fix common/ includes. * nat/fork-inferior.c: Fix common/ includes. * nat/amd64-linux-siginfo.c: Fix common/ includes. * nat/aarch64-sve-linux-ptrace.c: Fix common/ includes. * nat/aarch64-linux.c: Fix common/ includes. * nat/aarch64-linux-hw-point.h: Fix common/ includes. * nat/aarch64-linux-hw-point.c: Fix common/ includes. * namespace.h: Fix common/ includes. * mips-linux-tdep.c: Fix common/ includes. * minsyms.c: Fix common/ includes. * mi/mi-parse.h: Fix common/ includes. * mi/mi-main.c: Fix common/ includes. * mi/mi-cmd-env.c: Fix common/ includes. * memrange.h: Fix common/ includes. * memattr.c: Fix common/ includes. * maint.h: Fix common/ includes. * maint.c: Fix common/ includes. * main.c: Fix common/ includes. * machoread.c: Fix common/ includes. * location.c: Fix common/ includes. * linux-thread-db.c: Fix common/ includes. * linux-nat.c: Fix common/ includes. * linux-fork.c: Fix common/ includes. * inline-frame.c: Fix common/ includes. * infrun.c: Fix common/ includes. * inflow.c: Fix common/ includes. * inferior.h: Fix common/ includes. * inferior.c: Fix common/ includes. * infcmd.c: Fix common/ includes. * inf-ptrace.c: Fix common/ includes. * inf-child.c: Fix common/ includes. * ia64-linux-nat.c: Fix common/ includes. * i387-tdep.c: Fix common/ includes. * i386-tdep.c: Fix common/ includes. * i386-linux-tdep.c: Fix common/ includes. * i386-linux-nat.c: Fix common/ includes. * i386-go32-tdep.c: Fix common/ includes. * i386-fbsd-tdep.c: Fix common/ includes. * i386-fbsd-nat.c: Fix common/ includes. * guile/scm-type.c: Fix common/ includes. * guile/guile.c: Fix common/ includes. * go32-nat.c: Fix common/ includes. * gnu-nat.c: Fix common/ includes. * gdbthread.h: Fix common/ includes. * gdbarch-selftests.c: Fix common/ includes. * gdb_usleep.c: Fix common/ includes. * gdb_select.h: Fix common/ includes. * gdb_bfd.c: Fix common/ includes. * gcore.c: Fix common/ includes. * fork-child.c: Fix common/ includes. * findvar.c: Fix common/ includes. * fbsd-nat.c: Fix common/ includes. * event-top.c: Fix common/ includes. * event-loop.c: Fix common/ includes. * dwarf2read.c: Fix common/ includes. * dwarf2loc.c: Fix common/ includes. * dwarf2-frame.c: Fix common/ includes. * dwarf-index-cache.c: Fix common/ includes. * dtrace-probe.c: Fix common/ includes. * disasm-selftests.c: Fix common/ includes. * defs.h: Fix common/ includes. * csky-tdep.c: Fix common/ includes. * cp-valprint.c: Fix common/ includes. * cp-support.h: Fix common/ includes. * cp-support.c: Fix common/ includes. * corelow.c: Fix common/ includes. * completer.h: Fix common/ includes. * completer.c: Fix common/ includes. * compile/compile.c: Fix common/ includes. * compile/compile-loc2c.c: Fix common/ includes. * compile/compile-cplus-types.c: Fix common/ includes. * compile/compile-cplus-symbols.c: Fix common/ includes. * command.h: Fix common/ includes. * cli/cli-dump.c: Fix common/ includes. * cli/cli-cmds.c: Fix common/ includes. * charset.c: Fix common/ includes. * build-id.c: Fix common/ includes. * btrace.h: Fix common/ includes. * btrace.c: Fix common/ includes. * breakpoint.h: Fix common/ includes. * breakpoint.c: Fix common/ includes. * ax.h: (enum agent_op): Fix common/ includes. * ax-general.c (struct aop_map): Fix common/ includes. * ax-gdb.c: Fix common/ includes. * auxv.c: Fix common/ includes. * auto-load.c: Fix common/ includes. * arm-tdep.c: Fix common/ includes. * arch/riscv.c: Fix common/ includes. * arch/ppc-linux-common.c: Fix common/ includes. * arch/i386.c: Fix common/ includes. * arch/arm.c: Fix common/ includes. * arch/arm-linux.c: Fix common/ includes. * arch/arm-get-next-pcs.c: Fix common/ includes. * arch/amd64.c: Fix common/ includes. * arch/aarch64.c: Fix common/ includes. * arch/aarch64-insn.c: Fix common/ includes. * arch-utils.c: Fix common/ includes. * amd64-windows-tdep.c: Fix common/ includes. * amd64-tdep.c: Fix common/ includes. * amd64-sol2-tdep.c: Fix common/ includes. * amd64-obsd-tdep.c: Fix common/ includes. * amd64-nbsd-tdep.c: Fix common/ includes. * amd64-linux-tdep.c: Fix common/ includes. * amd64-linux-nat.c: Fix common/ includes. * amd64-fbsd-tdep.c: Fix common/ includes. * amd64-fbsd-nat.c: Fix common/ includes. * amd64-dicos-tdep.c: Fix common/ includes. * amd64-darwin-tdep.c: Fix common/ includes. * agent.c: Fix common/ includes. * ada-lang.h: Fix common/ includes. * ada-lang.c: Fix common/ includes. * aarch64-tdep.c: Fix common/ includes. gdb/gdbserver/ChangeLog 2019-01-25 Tom Tromey <tom@tromey.com> * win32-low.c: Fix common/ includes. * win32-i386-low.c: Fix common/ includes. * tracepoint.c: Fix common/ includes. * thread-db.c: Fix common/ includes. * target.h: Fix common/ includes. * symbol.c: Fix common/ includes. * spu-low.c: Fix common/ includes. * server.h: Fix common/ includes. * server.c: Fix common/ includes. * remote-utils.c: Fix common/ includes. * regcache.h: Fix common/ includes. * regcache.c: Fix common/ includes. * nto-x86-low.c: Fix common/ includes. * notif.h: Fix common/ includes. * mem-break.h: Fix common/ includes. * lynx-low.c: Fix common/ includes. * lynx-i386-low.c: Fix common/ includes. * linux-x86-tdesc-selftest.c: Fix common/ includes. * linux-x86-low.c: Fix common/ includes. * linux-low.c: Fix common/ includes. * inferiors.h: Fix common/ includes. * i387-fp.c: Fix common/ includes. * hostio.c: Fix common/ includes. * hostio-errno.c: Fix common/ includes. * gdbthread.h: Fix common/ includes. * gdbreplay.c: Fix common/ includes. * fork-child.c: Fix common/ includes. * event-loop.c: Fix common/ includes. * ax.c: (enum gdb_agent_op): Fix common/ includes. |
|
|
Joel Brobecker
|
42a4f53d2b |
Update copyright year range in all GDB files.
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files. |
|
Pedro Alves
|
e671cd59d7 |
Per-inferior target_terminal state, fix PR gdb/13211, more
In my multi-target branch I ran into problems with GDB's terminal
handling that exist in master as well, with multi-inferior debugging.
This patch adds a testcase for said problems
(gdb.multi/multi-term-settings.exp), fixes the problems, fixes PR
gdb/13211 as well (and adds a testcase for that too,
gdb.base/interrupt-daemon.exp).
The basis of the problem I ran into is the following. Consider a
scenario where you have:
- inferior 1 - started with "attach", process is running on some
other terminal.
- inferior 2 - started with "run", process is sharing gdb's terminal.
In this scenario, when you stop/resume both inferiors, you want GDB to
save/restore the terminal settings of inferior 2, the one that is
sharing GDB's terminal. I.e., you want inferior 2 to "own" the
terminal (in target_terminal::is_ours/target_terminal::is_inferior
sense).
Unfortunately, that's not what you get currently. Because GDB doesn't
know whether an attached inferior is actually sharing GDB's terminal,
it tries to save/restore its settings anyway, ignoring errors. In
this case, this is pointless, because inferior 1 is running on a
different terminal, but GDB doesn't know better.
And then, because it is only possible to have the terminal settings of
a single inferior be in effect at a time, or make one inferior/pgrp be
the terminal's foreground pgrp (aka, only one inferior can "own" the
terminal, ignoring fork children here), if GDB happens to try to
restore the terminal settings of inferior 1 first, then GDB never
restores the terminal settings of inferior 2.
This patch fixes that and a few things more along the way:
- Moves enum target_terminal::terminal_state out of the
target_terminal class (it's currently private) and makes it a
scoped enum so that it can be easily used elsewhere.
- Replaces the inflow.c:terminal_is_ours boolean with a
target_terminal_state variable. This allows distinguishing is_ours
and is_ours_for_output states. This allows finally making
child_terminal_ours_1 do something with its "output_only"
parameter.
- Makes each inferior have its own copy of the
is_ours/is_ours_for_output/is_inferior state.
- Adds a way for GDB to tell whether the inferior is sharing GDB's
terminal. Works best on Linux and Solaris; the fallback works just
as well as currently.
- With that, we can remove the inf->attach_flag tests from
child_terminal_inferior/child_terminal_ours.
- Currently target_ops.to_ours is responsible for both saving the
current inferior's terminal state, and restoring gdb's state.
Because each inferior has its own terminal state (possibly handled
by different targets in a multi-target world, even), we need to
split the inferior-saving part from the gdb-restoring part. The
patch adds a new target_ops.to_save_inferior target method for
that.
- Adds a new target_terminal::save_inferior() function, so that
sequences like:
scoped_restore_terminal_state save_state;
target_terminal::ours_for_output ();
... restore back inferiors that were
target_terminal_state::is_inferior before back to is_inferior, and
leaves inferiors that were is_ours alone.
- Along the way, this adds a default implementation of
target_pass_ctrlc to inflow.c (for inf-child.c), that handles
passing the Ctrl-C to a process running on GDB's terminal or to
some other process otherwise.
- Similarly, adds a new target default implementation of
target_interrupt, for the "interrupt" command. The current
implementation of this hook in inf-ptrace.c kills the whole process
group, but that's incorrect/undesirable because we may not be
attached to all processes in the process group. And also, it's
incorrect because inferior_process_group() doesn't really return
the inferior's real process group id if the inferior is not a
process group leader... This is the cause of PR gdb/13211 [1],
which this patch fixes. While at it, that target method's "ptid"
parameter is eliminated, because it's not really used.
- A new test is included that exercises and fixes PR gdb/13211, and
also fixes a GDB issue reported on stackoverflow that I ran into
while working on this [2]. The problem is similar to PR gdb/13211,
except that it also triggers with Ctrl-C. When debugging a daemon
(i.e., a process that disconnects from the controlling terminal and
is not a process group leader, then Ctrl-C doesn't work, you just
can't interrupt the inferior at all, resulting in a hung debug
session. The problem is that since the inferior is no longer
associated with gdb's session / controlling terminal, then trying
to put the inferior in the foreground fails. And so Ctrl-C never
reaches the inferior directly. pass_signal is only used when the
inferior is attached, but that is not the case here. This is fixed
by the new child_pass_ctrlc. Without the fix, the new
interrupt-daemon.exp testcase fails with timeout waiting for a
SIGINT that never arrives.
[1] PR gdb/13211 - Async / Process group and interrupt not working
https://sourceware.org/bugzilla/show_bug.cgi?id=13211
[2] GDB not reacting Ctrl-C when after fork() and setsid()
https://stackoverflow.com/questions/46101292/gdb-not-reacting-ctrl-c-when-after-fork-and-setsid
Note this patch does _not_ fix:
- PR gdb/14559 - The 'interrupt' command does not work if sigwait is in use
https://sourceware.org/bugzilla/show_bug.cgi?id=14559
- PR gdb/9425 - When using "sigwait" GDB doesn't trap SIGINT. Ctrl+C terminates program when should break gdb.
https://sourceware.org/bugzilla/show_bug.cgi?id=9425
The only way to fix that that I know of (without changing the kernel)
is to make GDB put inferiors in a separate session (create a
pseudo-tty master/slave pair, make the inferior run with the slave as
its terminal, and have gdb pump output/input on the master end).
gdb/ChangeLog:
2018-01-30 Pedro Alves <palves@redhat.com>
PR gdb/13211
* config.in, configure: Regenerate.
* configure.ac: Check for getpgid.
* go32-nat.c (go32_pass_ctrlc): New.
(go32_target): Install it.
* inf-child.c (inf_child_target): Install
child_terminal_save_inferior, child_pass_ctrlc and
child_interrupt.
* inf-ptrace.c (inf_ptrace_interrupt): Delete.
(inf_ptrace_target): No longer install it.
* infcmd.c (interrupt_target_1): Adjust.
* inferior.h (child_terminal_save_inferior, child_pass_ctrlc)
(child_interrupt): Declare.
(inferior::terminal_state): New.
* inflow.c (struct terminal_info): Update comments.
(inferior_process_group): Delete.
(terminal_is_ours): Delete.
(gdb_tty_state): New.
(child_terminal_init): Adjust.
(is_gdb_terminal, sharing_input_terminal_1)
(sharing_input_terminal): New functions.
(child_terminal_inferior): Adjust. Use sharing_input_terminal.
Set the process's actual process group in the foreground if
possible. Handle is_ours_for_output/is_ours distinction. Don't
mark terminal as the inferior's if not sharing GDB's terminal.
Don't check attach_flag.
(child_terminal_ours_for_output, child_terminal_ours): Adjust to
pass down a target_terminal_state.
(child_terminal_save_inferior): New, factored out from ...
(child_terminal_ours_1): ... this. Handle
target_terminal_state::is_ours_for_output.
(child_interrupt, child_pass_ctrlc): New.
(inflow_inferior_exit): Clear the inferior's terminal_state.
(copy_terminal_info): Copy the inferior's terminal state.
(_initialize_inflow): Remove reference to terminal_is_ours.
* inflow.h (inferior_process_group): Delete.
* nto-procfs.c (nto_handle_sigint, procfs_interrupt): Adjust.
* procfs.c (procfs_target): Don't install procfs_interrupt.
(procfs_interrupt): Delete.
* remote.c (remote_serial_quit_handler): Adjust.
(remote_interrupt): Remove ptid parameter. Adjust.
* target-delegates.c: Regenerate.
* target.c: Include "terminal.h".
(target_terminal::terminal_state): Rename to ...
(target_terminal::m_terminal_state): ... this.
(target_terminal::init): Adjust.
(target_terminal::inferior): Adjust to per-inferior
terminal_state.
(target_terminal::restore_inferior, target_terminal_is_ours_kind): New.
(target_terminal::ours, target_terminal::ours_for_output): Use
target_terminal_is_ours_kind.
(target_interrupt): Remove ptid parameter. Adjust.
(default_target_pass_ctrlc): Adjust.
* target.h (target_ops::to_terminal_save_inferior): New field.
(target_ops::to_interrupt): Remove ptid_t parameter.
(target_interrupt): Remove ptid_t parameter. Update comment.
(target_pass_ctrlc): Update comment.
* target/target.h (target_terminal_state): New scoped enum,
factored out of ...
(target_terminal::terminal_state): ... here.
(target_terminal::inferior): Update comments.
(target_terminal::restore_inferior): New.
(target_terminal::is_inferior, target_terminal::is_ours)
(target_terminal::is_ours_for_output): Adjust.
(target_terminal::scoped_restore_terminal_state): Adjust to
rename, and call restore_inferior() instead of inferior().
(target_terminal::scoped_restore_terminal_state::m_state): Change
type.
(target_terminal::terminal_state): Rename to ...
(target_terminal::m_terminal_state): ... this and change type.
gdb/gdbserver/ChangeLog:
2018-01-30 Pedro Alves <palves@redhat.com>
PR gdb/13211
* target.c (target_terminal::terminal_state): Rename to ...
(target_terminal::m_terminal_state): ... this.
gdb/testsuite/ChangeLog:
2018-01-30 Pedro Alves <palves@redhat.com>
PR gdb/13211
* gdb.base/interrupt-daemon.c: New.
* gdb.base/interrupt-daemon.exp: New.
* gdb.multi/multi-term-settings.c: New.
* gdb.multi/multi-term-settings.exp: New.
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Joel Brobecker
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e2882c8578 |
Update copyright year range in all GDB files
gdb/ChangeLog:
Update copyright year range in all GDB files
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Tom Tromey
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223ffa714c |
Remove make_cleanup_restore_target_terminal
This removes make_cleanup_restore_target_terminal and generally C++-ifies target terminal handling. It changes all target_terminal_* functions to be static members of a new target_terminal class and changes the cleanup to be a scoped_* class. make_cleanup_override_quit_handler is also removed in favor of simply using scoped_restore. Note that there are some files in this patch that I could not compile. Considering that some of the rewrites were automated, and that none of these files involed cleanups, I feel that this is relatively safe. Regression tested by the buildbot. gdb/ChangeLog 2017-09-20 Tom Tromey <tom@tromey.com> * windows-nat.c (get_windows_debug_event, windows_wait) (do_initial_windows_stuff, windows_attach): Update. * utils.c (vwarning, internal_vproblem): Update. (ui_unregister_input_event_handler_cleanup) (prepare_to_handle_input): Remove. (class scoped_input_handler): New. (defaulted_query, prompt_for_continue): Update. * tui/tui-hooks.c (tui_refresh_frame_and_register_information): Update. * top.c (undo_terminal_modifications_before_exit): Update. * target/target.h (target_terminal_init, target_terminal_inferior) (target_terminal_ours): Don't declare. (class target_terminal): New. * target.h (target_terminal_is_inferior, target_terminal_is_ours) (target_terminal_ours_for_output) (make_cleanup_restore_target_terminal): Don't declare. (target_terminal_info): Remove. * target.c (enum terminal_state, terminal_state): Remove. (target_terminal::terminal_state): Define. (target_terminal::init): Rename from target_terminal_init. (target_terminal::inferior): Rename from target_terminal_inferior. (target_terminal::ours): Rename from target_terminal_ours. (target_terminal::ours_for_output): Rename from target_terminal_ours_for_output. (target_terminal::info): New method. (cleanup_restore_target_terminal) (make_cleanup_restore_target_terminal): Remove. * solib.c (handle_solib_event): Update. * remote.c (remote_serial_quit_handler): Update. (remote_terminal_inferior, remote_wait_as): Update. * record-full.c (record_full_wait_1): Update. * nto-procfs.c (procfs_create_inferior): Update. * nat/fork-inferior.c (startup_inferior): Update. * mi/mi-interp.c (mi_new_thread, mi_thread_exit) (mi_record_changed, mi_inferior_added, mi_inferior_appeared) (mi_inferior_exit, mi_inferior_removed, mi_traceframe_changed) (mi_tsv_created, mi_tsv_deleted, mi_tsv_modified) (mi_breakpoint_created, mi_breakpoint_deleted) (mi_breakpoint_modified, mi_on_resume, mi_solib_loaded) (mi_solib_unloaded, mi_command_param_changed, mi_memory_changed) (mi_user_selected_context_changed, report_initial_inferior): Update. * linux-nat.c (linux_nat_attach, linux_nat_terminal_ours) (linux_nat_terminal_inferior): Update. * infrun.c (follow_fork_inferior) (handle_vfork_child_exec_or_exit, do_target_resume) (check_curr_ui_sync_execution_done, handle_inferior_event_1) (handle_signal_stop, maybe_remove_breakpoints, normal_stop): Update. * inflow.c (child_terminal_init, info_terminal_command): Update. * infcmd.c (post_create_inferior, continue_1, prepare_one_step) (attach_command): Update. * infcall.c (call_thread_fsm_should_stop): Update. * gnu-nat.c (gnu_attach): Update. * extension.c (struct active_ext_lang_state) (restore_active_ext_lang): Update. * exceptions.c (print_flush): Update. * event-top.c (async_enable_stdin, default_quit_handler): Update. (struct quit_handler_cleanup_data, restore_quit_handler) (restore_quit_handler_dtor, make_cleanup_override_quit_handler): Remove. * cp-support.c (gdb_demangle): Update. * breakpoint.c (update_inserted_breakpoint_locations) (insert_breakpoint_locations, handle_jit_event) (disable_breakpoints_in_unloaded_shlib): Update. * annotate.c (annotate_breakpoints_invalid) (annotate_frames_invalid): Update. gdb/gdbserver/ChangeLog 2017-09-20 Tom Tromey <tom@tromey.com> * target.c (target_terminal::terminal_state): Define. (target_terminal::init): Rename from target_terminal_init. (target_terminal::inferior): Rename from target_terminal_inferior. (target_terminal::ours): Rename from target_terminal_ours. (target_terminal::ours_for_output, target_terminal::info): New. |
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Simon Marchi
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23fdd69e42 |
Make target_waitstatus_to_string return an std::string
A quite straightforward change. It does "fix" leaks in record-btrace.c, although since this is only used in debug printing code, it has no real world impact. gdb/ChangeLog: * target/waitstatus.h (target_waitstatus_to_string): Change return type to std::string. * target/waitstatus.c (target_waitstatus_to_string): Return std::string. * target.h (target_waitstatus_to_string): Remove declaration. * infrun.c (resume, clear_proceed_status_thread, print_target_wait_results, do_target_wait, save_waitstatus, stop_all_threads): Adjust. * record-btrace.c (record_btrace_wait): Adjust. * target-debug.h (target_debug_print_struct_target_waitstatus_p): Adjust. gdb/gdbserver/ChangeLog: * linux-low.c (linux_wait_1): Adjust. * server.c (queue_stop_reply_callback): Adjust. |
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Sergio Durigan Junior
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2090129c36 |
Share fork_inferior et al with gdbserver
This is the most important (and the biggest, sorry) patch of the series. It moves fork_inferior from gdb/fork-child.c to nat/fork-inferior.c and makes all the necessary adjustments to both GDB and gdbserver to make sure everything works OK. There is no "most important change" with this patch; all changes are made in a progressive way, making sure that gdbserver had the necessary features while not breaking GDB at the same time. I decided to go ahead and implement a partial support for starting the inferior with a shell on gdbserver, although the full feature comes in the next patch. The user won't have the option to disable the startup-with-shell, and also won't be able to change which shell gdbserver will use (other than setting the $SHELL environment variable, that is). Everything is working as expected, and no regressions were present during the tests. gdb/ChangeLog: 2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com> Pedro Alves <palves@redhat.com> * Makefile.in (HFILES_NO_SRCDIR): Add "common/common-inferior.h" and "nat/fork-inferior.h". * common/common-inferior.h: New file, with contents from "gdb/inferior.h". * commom/common-utils.c: Include "common-utils.h". (stringify_argv): New function. * common/common-utils.h (stringify_argv): New prototype. * configure.nat: Add "fork-inferior.o" as a dependency for "*linux*", "fbsd*" and "nbsd*" hosts. * corefile.c (get_exec_file): Update comment. * darwin-nat.c (darwin_ptrace_him): Call "gdb_startup_inferior" instead of "startup_inferior". (darwin_create_inferior): Call "add_thread_silent" after "fork_inferior". * fork-child.c: Cleanup unnecessary includes. (SHELL_FILE): Move to "common/common-fork-child.c". (environ): Likewise. (exec_wrapper): Initialize. (get_exec_wrapper): New function. (breakup_args): Move to "common/common-fork-child.c"; rename to "breakup_args_for_exec". (escape_bang_in_quoted_argument): Move to "common/common-fork-child.c". (saved_ui): New variable. (prefork_hook): New function. (postfork_hook): Likewise. (postfork_child_hook): Likewise. (gdb_startup_inferior): Likewise. (fork_inferior): Move to "common/common-fork-child.c". Update function to support gdbserver. (startup_inferior): Likewise. * gdbcore.h (get_exec_file): Remove declaration. * gnu-nat.c (gnu_create_inferior): Call "gdb_startup_inferior" instead of "startup_inferior". Call "add_thread_silent" after "fork_inferior". * inf-ptrace.c: Include "nat/fork-inferior.h" and "utils.h". (inf_ptrace_create_inferior): Call "gdb_startup_inferior" instead of "startup_inferior". Call "add_thread_silent" after "fork_inferior". * inferior.h: Include "common-inferior.h". (trace_start_error): Move to "common/common-utils.h". (trace_start_error_with_name): Likewise. (fork_inferior): Move prototype to "nat/fork-inferior.h". (startup_inferior): Likewise. (gdb_startup_inferior): New prototype. * nat/fork-inferior.c: New file, with contents from "fork-child.c". * nat/fork-inferior.h: New file. * procfs.c (procfs_init_inferior): Call "gdb_startup_inferior" instead of "startup_inferior". Call "add_thread_silent" after "fork_inferior". * target.h (target_terminal_init): Move prototype to "target/target.h". (target_terminal_inferior): Likewise. (target_terminal_ours): Likewise. * target/target.h (target_terminal_init): New prototype, moved from "target.h". (target_terminal_inferior): Likewise. (target_terminal_ours): Likewise. * utils.c (gdb_flush_out_err): New function. gdb/gdbserver/ChangeLog: 2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com> Pedro Alves <palves@redhat.com> * Makefile.in (SFILES): Add "nat/fork-inferior.o". * configure: Regenerate. * configure.srv (srv_linux_obj): Add "fork-child.o" and "fork-inferior.o". (i[34567]86-*-lynxos*): Likewise. (spu*-*-*): Likewise. * fork-child.c: New file. * linux-low.c: Include "common-inferior.h", "nat/fork-inferior.h" and "environ.h". (linux_ptrace_fun): New function. (linux_create_inferior): Adjust function prototype to reflect change on "target.h". Adjust function code to use "fork_inferior". (linux_request_interrupt): Delete "signal_pid". * lynx-low.c: Include "common-inferior.h" and "nat/fork-inferior.h". (lynx_ptrace_fun): New function. (lynx_create_inferior): Adjust function prototype to reflect change on "target.h". Adjust function code to use "fork_inferior". * nto-low.c (nto_create_inferior): Adjust function prototype and code to reflect change on "target.h". Update comments. * server.c: Include "common-inferior.h", "nat/fork-inferior.h", "common-terminal.h" and "environ.h". (terminal_fd): Moved to fork-child.c. (old_foreground_pgrp): Likewise. (restore_old_foreground_pgrp): Likewise. (last_status): Make it global. (last_ptid): Likewise. (our_environ): New variable. (startup_with_shell): Likewise. (program_name): Likewise. (program_argv): Rename to... (program_args): ...this. (wrapper_argv): New variable. (start_inferior): Delete function. (get_exec_wrapper): New function. (get_exec_file): Likewise. (get_environ): Likewise. (prefork_hook): Likewise. (post_fork_inferior): Likewise. (postfork_hook): Likewise. (postfork_child_hook): Likewise. (handle_v_run): Update code to deal with arguments coming from the remote host. Update calls from "start_inferior" to "create_inferior". (captured_main): Likewise. Initialize environment variable. Call "have_job_control". * server.h (post_fork_inferior): New prototype. (get_environ): Likewise. (last_status): Declare. (last_ptid): Likewise. (signal_pid): Likewise. * spu-low.c: Include "common-inferior.h" and "nat/fork-inferior.h". (spu_ptrace_fun): New function. (spu_create_inferior): Adjust function prototype to reflect change on "target.h". Adjust function code to use "fork_inferior". * target.c (target_terminal_init): New function. (target_terminal_inferior): Likewise. (target_terminal_ours): Likewise. * target.h: Include <vector>. (struct target_ops) <create_inferior>: Update prototype. (create_inferior): Update macro. * utils.c (gdb_flush_out_err): New function. * win32-low.c (win32_create_inferior): Adjust function prototype and code to reflect change on "target.h". gdb/testsuite/ChangeLog: 2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com> * gdb.server/non-existing-program.exp: Update regex in order to reflect the fact that gdbserver is now using fork_inferior (with a shell) to startup the inferior. |
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Joel Brobecker
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61baf725ec |
update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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Sergio Durigan Junior
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1fb77080fd |
Consolidate API of target_supports_multi_process
This simple commit consolidates the API of
target_supports_multi_process. Since both GDB and gdbserver use the
same function prototype, all that was needed was to move create this
prototype on gdb/target/target.h and turn the macros declared on
gdb/{,gdbserver/}target.h into actual functions.
Regtested (clean pass) on the BuildBot.
gdb/ChangeLog:
2016-10-06 Sergio Durigan Junior <sergiodj@redhat.com>
* target.c (target_supports_multi_process): New function, moved
from...
* target.h (target_supports_multi_process): ... here. Remove
macro.
* target/target.h (target_supports_multi_process): New prototype.
gdb/gdbserver/ChangeLog:
2016-10-06 Sergio Durigan Junior <sergiodj@redhat.com>
* target.c (target_supports_multi_process): New function, moved
from...
* target.h (target_supports_multi_process): ... here. Remove
macro.
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Sergio Durigan Junior
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bc1e6c81d5 |
Consolidate target_mourn_inferior between GDB and gdbserver
This patch consolidates the API of target_mourn_inferior between GDB and gdbserver, in my continuing efforts to make sharing the fork_inferior function possible between both. GDB's version of the function did not care about the inferior's ptid being mourned, but gdbserver's needed to know this information. Since it actually makes sense to pass the ptid as an argument, instead of depending on a global value directly (which GDB's version did), I decided to make the generic API to accept it. I then went on and extended all calls being made on GDB to include a ptid argument (which ended up being inferior_ptid most of the times, anyway), and now we have a more sane interface. On GDB's side, after talking to Pedro a bit about it, we decided that just an assertion to make sure that the ptid being passed is equal to inferior_ptid would be enough for now, on the GDB side. We can remove the assertion and perform more operations later if we ever pass anything different than inferior_ptid. Regression tested on our BuildBot, everything OK. I'd appreciate a special look at gdb/windows-nat.c's modification because I wasn't really sure what to do there. It seemed to me that maybe I should build a ptid out of the process information there, but then I am almost sure the assertion on GDB's side would trigger. gdb/ChangeLog: 2016-09-19 Sergio Durigan Junior <sergiodj@redhat.com> * darwin-nat.c (darwin_kill_inferior): Adjusting call to target_mourn_inferior to include ptid_t argument. * fork-child.c (startup_inferior): Likewise. * gnu-nat.c (gnu_kill_inferior): Likewise. * inf-ptrace.c (inf_ptrace_kill): Likewise. * infrun.c (handle_inferior_event_1): Likewise. * linux-nat.c (linux_nat_attach): Likewise. (linux_nat_kill): Likewise. * nto-procfs.c (interrupt_query): Likewise. (procfs_interrupt): Likewise. (procfs_kill_inferior): Likewise. * procfs.c (procfs_kill_inferior): Likewise. * record.c (record_mourn_inferior): Likewise. * remote-sim.c (gdbsim_kill): Likewise. * remote.c (remote_detach_1): Likewise. (remote_kill): Likewise. * target.c (target_mourn_inferior): Change declaration to accept new ptid_t argument; use gdb_assert on it. * target.h (target_mourn_inferior): Move function prototype from here... * target/target.h (target_mourn_inferior): ... to here. Adjust it to accept new ptid_t argument. * windows-nat.c (get_windows_debug_event): Adjusting call to target_mourn_inferior to include ptid_t argument. gdb/gdbserver/ChangeLog: 2016-09-19 Sergio Durigan Junior <sergiodj@redhat.com> * server.c (start_inferior): Call target_mourn_inferior instead of mourn_inferior; pass ptid_t argument to it. (resume): Likewise. (handle_target_event): Likewise. * target.c (target_mourn_inferior): New function. * target.h (mourn_inferior): Delete macro. |
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Sergio Durigan Junior
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f2b9e3dfd4 |
Share target_wait prototype between GDB and gdbserver
This commit moves the target_wait prototype from the GDB-specific target.h header to the common target/target.h header. Then, it creates a compatible implementation of target_wait on gdbserver using the_target->wait, and adjusts the (only) caller (mywait function). Pretty straightforward, no regressions introduced. gdb/gdbserver/ChangeLog: 2016-09-01 Sergio Durigan Junior <sergiodj@redhat.com> * target.c (mywait): Call target_wait instead of the_target->wait. (target_wait): New function. gdb/ChangeLog: 2016-09-01 Sergio Durigan Junior <sergiodj@redhat.com> * target.c (target_wait): Mention that the function's prototype can be found at target/target.h. * target.h (target_wait): Move prototype from here... * target/target.h (target_wait): ... to here. |
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Sergio Durigan Junior
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049a857091 |
Use target_continue{,_no_signal} instead of target_resume
This commit implements a new function, target_continue, on top of the
target_resume function. Then, it replaces all calls to target_resume
by calls to target_continue or to the already existing
target_continue_no_signal.
This is one of the (many) necessary steps needed to consolidate the
target interface between GDB and gdbserver. In particular, I am
interested in the impact this change will have on the unification of
the fork_inferior function (which I have been working on).
Tested on the BuildBot, no regressions introduced.
gdb/gdbserver/ChangeLog:
2016-09-31 Sergio Durigan Junior <sergiodj@redhat.com>
* server.c (start_inferior): New variable 'ptid'. Replace calls
to the_target->resume by target_continue{,_no_signal}, depending
on the case.
* target.c (target_stop_and_wait): Call target_continue_no_signal
instead of the_target->resume.
(target_continue): New function.
gdb/ChangeLog:
2016-09-31 Sergio Durigan Junior <sergiodj@redhat.com>
* fork-child.c (startup_inferior): Replace calls to target_resume
by target_continue{,_no_signal}, depending on the case.
* linux-nat.c (cleanup_target_stop): Call
target_continue_no_signal instead of target_resume.
* procfs.c (procfs_wait): Likewise.
* target.c (target_continue): New function.
* target/target.h (target_continue): New prototype.
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Joel Brobecker
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618f726fcb |
GDB copyright headers update after running GDB's copyright.py script.
gdb/ChangeLog:
Update year range in copyright notice of all files.
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Pedro Alves
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65706a29ba |
Remote thread create/exit events
When testing with "maint set target-non-stop on", a few threading-related tests expose an issue that requires new RSP packets. Say there are 3 threads running, 1-3. If GDB tries to stop thread 1, 2 and 3, and then waits for their stops, but meanwhile say, thread 2 exits, GDB hangs forever waiting for a stop for thread 2 that won't ever happen. This patch fixes the issue by adding support for thread exit events to the protocol. However, we don't want these always enabled, as they're useless most of the time, and would slow down remote debugging. So I made it so that GDB can enable/disable them, and then made gdb do that around the cases that need it, which currently is only infrun.c:stop_all_threads. In turn, if we have thread exit events, then the extra "thread x exited" traffic slows down attach-many-short-lived-threads.exp enough that gdb has trouble keeping up with new threads that are spawned while gdb tries to stop existing ones. To fix that I added support for the counterpart thread created events too. Enabling those when we try to stop threads ensures that new threads never get a chance to themselves start new threads, killing the race. gdb/doc/ChangeLog: 2015-11-30 Pedro Alves <palves@redhat.com> * gdb.texinfo (Remote Configuration): List "set/show remote thread-events" command in configuration table. (Stop Reply Packets): Document "T05 create" stop reason and 'w' stop reply. (General Query Packets): Document QThreadEvents packet. Document QThreadEvents qSupported feature. gdb/gdbserver/ChangeLog: 2015-11-30 Pedro Alves <palves@redhat.com> * linux-low.c (handle_extended_wait): Assert that the LWP's waitstatus is TARGET_WAITKIND_IGNORE. If GDB wants to hear about thread create events, leave the new child's status pending. (linux_low_filter_event): If GDB wants to hear about thread exit events, leave the LWP marked dead and don't delete it. (linux_wait_for_event_filtered): Don't check for thread exit. (filter_exit_event): New function. (linux_wait_1): Use it, when returning an exit event. (linux_resume_one_lwp_throw): Assert that the LWP's waitstatus is TARGET_WAITKIND_IGNORE. * remote-utils.c (prepare_resume_reply): Handle TARGET_WAITKIND_THREAD_CREATED and TARGET_WAITKIND_THREAD_EXITED. * server.c (report_thread_events): New global. (handle_general_set): Handle QThreadEvents. (handle_query) <qSupported>: Handle and report QThreadEvents+; (handle_target_event): Handle TARGET_WAITKIND_THREAD_CREATED and TARGET_WAITKIND_THREAD_EXITED. * server.h (report_thread_events): Declare. gdb/ChangeLog: 2015-11-30 Pedro Alves <palves@redhat.com> * NEWS (New commands): Mention "set/show remote thread-events" commands. (New remote packets): Mention thread created/exited stop reasons and QThreadEvents packet. * infrun.c (disable_thread_events): New function. (stop_all_threads): Disable/enable thread create/exit events. Handle TARGET_WAITKIND_THREAD_EXITED. (handle_inferior_event_1): Handle TARGET_WAITKIND_THREAD_CREATED and TARGET_WAITKIND_THREAD_EXITED. * remote.c (remove_child_of_pending_fork): Also remove threads of threads that have TARGET_WAITKIND_THREAD_EXITED events. (remote_parse_stop_reply): Handle "create" magic register. Handle 'w' stop reply. (initialize_remote): Install remote_thread_events as to_thread_events target hook. (remote_thread_events): New function. * target-delegates.c: Regenerate. * target.c (target_thread_events): New function. * target.h (struct target_ops) <to_thread_events>: New field. (target_thread_events): Declare. * target/waitstatus.c (target_waitstatus_to_string): Handle TARGET_WAITKIND_THREAD_CREATED and TARGET_WAITKIND_THREAD_EXITED. * target/waitstatus.h (enum target_waitkind) <TARGET_WAITKIND_THREAD_CREATED, TARGET_WAITKIND_THREAD_EXITED): New values. |
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Pedro Alves
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863d01bde2 |
gdbserver: Fix non-stop / fork / step-over issues
Ref: https://sourceware.org/ml/gdb-patches/2015-07/msg00868.html This adds a test that has a multithreaded program have several threads continuously fork, while another thread continuously steps over a breakpoint. This exposes several intertwined issues, which this patch addresses: - When we're stopping and suspending threads, some thread may fork, and we missed setting its suspend count to 1, like we do when a new clone/thread is detected. When we next unsuspend threads, the fork child's suspend count goes below 0, which is bogus and fails an assertion. - If a step-over is cancelled because a signal arrives, but then gdb is not interested in the signal, we pass the signal straight back to the inferior. However, we miss that we need to re-increment the suspend counts of all other threads that had been paused for the step-over. As a result, other threads indefinitely end up stuck stopped. - If a detach request comes in just while gdbserver is handling a step-over (in the test at hand, this is GDB detaching the fork child), gdbserver internal errors in stabilize_thread's helpers, which assert that all thread's suspend counts are 0 (otherwise we wouldn't be able to move threads out of the jump pads). The suspend counts aren't 0 while a step-over is in progress, because all threads but the one stepping past the breakpoint must remain paused until the step-over finishes and the breakpoint can be reinserted. - Occasionally, we see "BAD - reinserting but not stepping." being output (from within linux_resume_one_lwp_throw). That was because GDB pokes memory while gdbserver is busy with a step-over, and that suspends threads, and then re-resumes them with proceed_one_lwp, which missed another reason to tell linux_resume_one_lwp that the thread should be set back to stepping. - In a couple places, we were resuming threads that are meant to be suspended. E.g., when a vCont;c/s request for thread B comes in just while gdbserver is stepping thread A past a breakpoint. The resume for thread B must be deferred until the step-over finishes. - The test runs with both "set detach-on-fork" on and off. When off, it exercises the case of GDB detaching the fork child explicitly. When on, it exercises the case of gdb resuming the child explicitly. In the "off" case, gdb seems to exponentially become slower as new inferiors are created. This is _very_ noticeable as with only 100 inferiors gdb is crawling already, which makes the test take quite a bit to run. For that reason, I've disabled the "off" variant for now. gdb/ChangeLog: 2015-08-06 Pedro Alves <palves@redhat.com> * target/waitstatus.h (enum target_stop_reason) <TARGET_STOPPED_BY_SINGLE_STEP>: New value. gdb/gdbserver/ChangeLog: 2015-08-06 Pedro Alves <palves@redhat.com> * linux-low.c (handle_extended_wait): Set the fork child's suspend count if stopping and suspending threads. (check_stopped_by_breakpoint): If stopped by trace, set the LWP's stop reason to TARGET_STOPPED_BY_SINGLE_STEP. (linux_detach): Complete an ongoing step-over. (lwp_suspended_inc, lwp_suspended_decr): New functions. Use throughout. (resume_stopped_resumed_lwps): Don't resume a suspended thread. (linux_wait_1): If passing a signal to the inferior after finishing a step-over, unsuspend and re-resume all lwps. If we see a single-step event but the thread should be continuing, don't pass the trap to gdb. (stuck_in_jump_pad_callback, move_out_of_jump_pad_callback): Use internal_error instead of gdb_assert. (enqueue_pending_signal): New function. (check_ptrace_stopped_lwp_gone): Add debug output. (start_step_over): Use internal_error instead of gdb_assert. (complete_ongoing_step_over): New function. (linux_resume_one_thread): Don't resume a suspended thread. (proceed_one_lwp): If the LWP is stepping over a breakpoint, reset it stepping. gdb/testsuite/ChangeLog: 2015-08-06 Pedro Alves <palves@redhat.com> * gdb.threads/forking-threads-plus-breakpoint.exp: New file. * gdb.threads/forking-threads-plus-breakpoint.c: New file. |
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Jan Kratochvil
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db1ff28b60 |
Revert the previous 7 commits of: Validate binary before use
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Jan Kratochvil
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9904185cfd |
Move linux_find_memory_regions_full & co.
This should be just a move with no changes. gdb/ChangeLog 2015-07-15 Aleksandar Ristovski <aristovski@qnx.com Jan Kratochvil <jan.kratochvil@redhat.com> Move linux_find_memory_regions_full & co. * linux-tdep.c (nat/linux-maps.h): Include. (gdb_regex.h): Remove the include. (enum filterflags, struct smaps_vmflags, read_mapping, decode_vmflags) (mapping_is_anonymous_p, dump_mapping_p): Moved to nat/linux-maps.c. (linux_find_memory_region_ftype): Moved typedef to nat/linux-maps.h. (linux_find_memory_regions_full): Moved definition to nat/linux-maps.c. * nat/linux-maps.c: Include ctype.h, target/target-utils.h, gdb_regex.h and target/target.h. (struct smaps_vmflags, read_mapping, decode_vmflags) (mapping_is_anonymous_p, dump_mapping_p): Move from linux-tdep.c. (linux_find_memory_regions_full): Move from linux-tdep.c. * nat/linux-maps.h (read_mapping): New declaration. (linux_find_memory_region_ftype, enum filterflags): Moved from linux-tdep.c. (linux_find_memory_regions_full): New declaration. * target.c (target/target-utils.h): Include. (read_alloc_pread_ftype): Moved typedef to target/target-utils.h. (read_alloc, read_stralloc_func_ftype, read_stralloc): Moved definitions to target/target-utils.c. * target.h (target_fileio_read_stralloc): Move it to target/target.h. * target/target-utils.c (read_alloc, read_stralloc): Move definitions from target.c. * target/target-utils.h (read_alloc_pread_ftype): New typedef. (read_alloc): New declaration. (read_stralloc_func_ftype): New typedef. (read_stralloc): New declaration. * target/target.h (target_fileio_read_stralloc): Move it from target.h. gdb/gdbserver/ChangeLog 2015-07-15 Aleksandar Ristovski <aristovski@qnx.com Jan Kratochvil <jan.kratochvil@redhat.com> * target.c: Include target/target-utils.h and fcntl.h. (target_fileio_read_stralloc_1_pread, target_fileio_read_stralloc_1) (target_fileio_read_stralloc): New functions. |
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Jan Kratochvil
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ddc98fbf2f |
Create empty nat/linux-maps.[ch] and common/target-utils.[ch]
Prepare new files for later move. gdb/ChangeLog 2015-07-15 Aleksandar Ristovski <aristovski@qnx.com Jan Kratochvil <jan.kratochvil@redhat.com> Create empty nat/linux-maps.[ch] and common/target-utils.[ch]. * Makefile.in (HFILES_NO_SRCDIR); Add nat/linux-maps.h, common/target-utils.h. (COMMON_OBS): Add target-utils.o. (linux-maps.o, target-utils.o): New. * target/target-utils.c: New file. * target/target-utils.h: New file. * config/i386/linux.mh (NATDEPFILES): Add linux-maps.o. * config/i386/linux64.mh (NATDEPFILES): Ditto. * nat/linux-maps.c: New file. * nat/linux-maps.h: New file. gdb/gdbserver/ChangeLog 2015-07-15 Aleksandar Ristovski <aristovski@qnx.com Jan Kratochvil <jan.kratochvil@redhat.com> Create empty nat/linux-maps.[ch] and common/target-utils.[ch]. * Makefile.in (OBS): Add target-utils.o. (linux-maps.o, target-utils.o): New. * configure.srv (srv_linux_obj): Add linux-maps.o. |
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Gary Benson
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dc06243f6f |
Remove redundant include directives.
stdint.h was added to common-defs.h some months ago and should no longer be included directly by any file. gdb_assert.h was added to common-defs.h nearly a year ago, but three includes have crept in since then. This commit removes all such redundant include directives. gdb/ChangeLog: * common/buffer.c (stdint.h): Do not include. * common/print-utils.c (stdint.h): Likewise. * compile/compile-c-symbols.c (gdb_assert.h): Likewise. * compile/compile-c-types.c (gdb_assert.h): Likewise. * ft32-tdep.c (gdb_assert.h): Likewise. * guile/scm-utils.c (stdint.h): Likewise. * i386-linux-tdep.c (stdint.h): Likewise. * i386-tdep.c (stdint.h): Likewise. * nat/linux-btrace.c (stdint.h): Likewise. * nat/linux-btrace.h (stdint.h): Likewise. * nat/linux-ptrace.c (stdint.h): Likewise. * nat/mips-linux-watch.h (stdint.h): Likewise. * ppc-linux-nat.c (stdint.h): Likewise. * python/python-internal.h (stdint.h): Likewise. * stub-termcap.c (stdlib.h): Likewise. * target/target.h (stdint.h): Likewise. * xtensa-linux-nat.c (stdint.h): Likewise. gdb/gdbserver/ChangeLog: * linux-i386-ipa.c (stdint.h): Do not include. * lynx-i386-low.c (stdint.h): Likewise. * lynx-ppc-low.c (stdint.h): Likewise. * mem-break.c (stdint.h): Likewise. * thread-db.c (stdint.h): Likewise. * tracepoint.c (stdint.h): Likewise. * win32-low.c (stdint.h): Likewise. |
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Pedro Alves
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15c66dd626 |
enum lwp_stop_reason -> enum target_stop_reason
We're going to need the same enum as enum lwp_stop_reason in more targets, so this promotes it to common code. gdb/gdbserver/ChangeLog: 2015-03-04 Pedro Alves <palves@redhat.com> enum lwp_stop_reason -> enum target_stop_reason * linux-low.c (check_stopped_by_breakpoint): Adjust. (thread_still_has_status_pending_p, check_stopped_by_watchpoint) (linux_wait_1, stuck_in_jump_pad_callback) (move_out_of_jump_pad_callback, linux_resume_one_lwp) (linux_stopped_by_watchpoint): * linux-low.h (enum lwp_stop_reason): Delete. (struct lwp_info) <stop_reason>: Now an enum target_stop_reason. * linux-x86-low.c (x86_linux_prepare_to_resume): Adjust. gdb/ChangeLog: 2015-03-04 Pedro Alves <palves@redhat.com> enum lwp_stop_reason -> enum target_stop_reason * linux-nat.c (linux_resume_one_lwp, check_stopped_by_watchpoint) (linux_nat_stopped_by_watchpoint, status_callback) (linux_nat_wait_1): Adjust. * linux-nat.h (enum lwp_stop_reason): Delete. (struct lwp_info) <stop_reason>: Now an enum target_stop_reason. * x86-linux-nat.c (x86_linux_prepare_to_resume): Adjust. * target/waitstatus.h (enum target_stop_reason): New. |
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Joel Brobecker
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32d0add0a6 |
Update year range in copyright notice of all files owned by the GDB project.
gdb/ChangeLog:
Update year range in copyright notice of all files.
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Gary Benson
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03f4463bfc |
Rename target_{stop,continue}_ptid
This commit renames target_stop_ptid as target_stop_and_wait and target_continue_ptid as target_continue_no_signal. Comments are updated to more fully describe the functions' behaviour. gdb/ChangeLog: * target/target.h (target_stop_ptid): Renamed as... (target_stop_and_wait): New function. Updated comment. All uses updated. (target_continue_ptid): Renamed as... (target_continue_no_signal): New function. Updated comment. All uses updated. |
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Gary Benson
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727605ca75 |
Include common-defs.h instead of defs.h/server.h in shared code
This commit makes 19 of the 22 shared .c files in common, nat and target include common-defs.h instead of defs.h/server.h. The remaining three files need slight extra work and are dealt with in separate commits. gdb/ChangeLog: * common/agent.c: Include common-defs.h. Don't include defs.h or server.h. * common/buffer.c: Likewise. * common/common-debug.c: Likewise. * common/common-utils.c: Likewise. * common/errors.c: Likewise. * common/filestuff.c: Likewise. * common/format.c: Likewise. * common/gdb_vecs.c: Likewise. * common/print-utils.c: Likewise. * common/ptid.c: Likewise. * common/rsp-low.c: Likewise. * common/signals.c: Likewise. * common/vec.c: Likewise. * common/xml-utils.c: Likewise. * nat/linux-osdata.c: Likewise. * nat/linux-procfs.c: Likewise. * nat/linux-ptrace.c: Likewise. * nat/mips-linux-watch.c: Likewise. * target/waitstatus.c: Likewise. |
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Gary Benson
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f8c1d06b82 |
Introduce target_{stop,continue}_ptid
This commit introduces two new functions to stop and restart target processes that shared code can use and that clients must implement. It also changes some shared code to use these functions. gdb/ChangeLog: * target/target.h (target_stop_ptid, target_continue_ptid): Declare. * target.c (target_stop_ptid, target_continue_ptid): New functions. * common/agent.c [!GDBSERVER]: Don't include infrun.h. (agent_run_command): Always use target_stop_ptid and target_continue_ptid. gdb/gdbserver/ChangeLog: * target.c (target_stop_ptid, target_continue_ptid): New functions. |
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Gary Benson
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721ec300e1 |
Introduce target/target.h
This introduces target/target.h. This file declares some functions that the shared code can use and that clients must implement. It also changes some shared code to use these functions. gdb/ChangeLog: * target/target.h: New file. * Makefile.in (HFILES_NO_SRCDIR): Add target/target.h. * target.h: Include target/target.h. (target_read_memory, target_write_memory): Don't declare. * target.c (target_read_uint32): New function. * common/agent.c: Include target/target.h. [!GDBSERVER]: Don't include target.h. (helper_thread_id): Type changed to uint32_t. (agent_get_helper_thread_id): Use target_read_uint32. (agent_run_command): Always use target_read_memory and target_write_memory. (agent_capability): Type changed to uint32_t. (agent_capability_check): Use target_read_uint32. gdb/gdbserver/ChangeLog: * target.h: Include target/target.h. * target.c (target_read_memory, target_read_uint32) (target_write_memory): New functions. |
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Gary Benson
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e76df0d086 |
Move common-utils.h to common-defs.h
This commit moves the inclusion of common-utils.h to common-defs.h and removes all other inclusions. gdb/ 2014-08-07 Gary Benson <gbenson@redhat.com> * common/common-defs.h: Include common-utils.h. * defs.h: Do not include common-utils.h. * common/gdb_assert.h: Likewise. * darwin-nat.h: Likewise. * nat/linux-btrace.c: Likewise. * target/waitstatus.h: Likewise. gdb/gdbserver/ 2014-08-07 Gary Benson <gbenson@redhat.com> * server.h: Do not include common-utils.h. |
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Gary Benson
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4cb9c81646 |
Move ptid.h to common-defs.h
This commit moves the inclusion of ptid.h to common-defs.h and removes all other inclusions. gdb/ 2014-08-07 Gary Benson <gbenson@redhat.com> * common/common-defs.h: Include ptid.h. * defs.h: Do not include ptid.h. * inferior.h: Likewise. * infrun.h: Likewise. * nat/linux-btrace.h: Likewise. * nat/linux-osdata.h: Likewise. * target/waitstatus.h: Likewise. gdb/gdbserver/ 2014-08-07 Gary Benson <gbenson@redhat.com> * server.h: Do not include ptid.h. * notif.h: Likewise. |
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Joel Brobecker
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ecd75fc8ee | Update Copyright year range in all files maintained by GDB. | |
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Pedro Alves
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c9737c08e7 |
infrun debug output: print enum gdb_signal symbol names instead of POSIX signal names.
The other day while debugging something related to random signals, I
got confused with "set debug infrun 1" output, for it said:
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x323d4e8b94
infrun: random signal 20
On GNU/Linux, 20 is SIGTSTP. For some reason, it took me a few
minutes to realize that 20 is actually a GDB signal number, not a
target signal number (duh!). In any case, I propose making GDB's
output clearer here:
One way would be to use gdb_signal_to_name, like already used
elsewhere:
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x323d4e8b94
infrun: random signal SIGCHLD (20)
but I think that might confuse someone too ("20? Why does GDB believe
SIGCHLD is 20?"). So I thought of printing the enum string instead:
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x323d4e8b94
infrun: random signal GDB_SIGNAL_CHLD (20)
Looking at a more complete infrun debug log, we had actually printed
the (POSIX) signal name name a bit before:
infrun: target_wait (-1, status) =
infrun: 9300 [Thread 0x7ffff7fcb740 (LWP 9300)],
infrun: status->kind = stopped, signal = SIGCHLD
...
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x323d4e8b94
infrun: random signal 20
So I'm now thinking that it'd be even better to make infrun output
consistently use the enum symbol string, like so:
infrun: clear_proceed_status_thread (Thread 0x7ffff7fca700 (LWP 25663))
infrun: clear_proceed_status_thread (Thread 0x7ffff7fcb740 (LWP 25659))
- infrun: proceed (addr=0xffffffffffffffff, signal=144, step=1)
+ infrun: proceed (addr=0xffffffffffffffff, signal=GDB_SIGNAL_DEFAULT, step=1)
- infrun: resume (step=1, signal=0), trap_expected=0, current thread [Thread 0x7ffff7fcb740 (LWP 25659)] at 0x400700
+ infrun: resume (step=1, signal=GDB_SIGNAL_0), trap_expected=0, current thread [Thread 0x7ffff7fcb740 (LWP 25659)] at 0x400700
infrun: wait_for_inferior ()
infrun: target_wait (-1, status) =
infrun: 25659 [Thread 0x7ffff7fcb740 (LWP 25659)],
- infrun: status->kind = stopped, signal = SIGCHLD
+ infrun: status->kind = stopped, signal = GDB_SIGNAL_CHLD
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x400700
- infrun: random signal 20
+ infrun: random signal (GDB_SIGNAL_CHLD)
infrun: random signal, keep going
- infrun: resume (step=1, signal=20), trap_expected=0, current thread [Thread 0x7ffff7fcb740 (LWP 25659)] at 0x400700
+ infrun: resume (step=1, signal=GDB_SIGNAL_CHLD), trap_expected=0, current thread [Thread 0x7ffff7fcb740 (LWP 25659)] at 0x400700
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 25659 [Thread 0x7ffff7fcb740 (LWP 25659)],
- infrun: status->kind = stopped, signal = SIGTRAP
+ infrun: status->kind = stopped, signal = GDB_SIGNAL_TRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x400704
infrun: stepi/nexti
infrun: stop_stepping
GDB's signal numbers are public and hardcoded (see
include/gdb/signals.h), so there's really no need to clutter the
output with numeric values in some places while others not. Replacing
the magic "144" with GDB_SIGNAL_DEFAULT in "proceed"'s debug output
(see above) I think is quite nice.
I posit that all this makes it clearer to newcomers that GDB has its
own signal numbering (and that there must be some mapping going on).
Tested on x86_64 Fedora 17.
gdb/
2013-10-23 Pedro Alves <palves@redhat.com>
* common/gdb_signals.h (gdb_signal_to_symbol_string): Declare.
* common/signals.c: Include "gdb_assert.h".
(signals): New field 'symbol'.
(SET): Use the 'symbol' parameter.
(gdb_signal_to_symbol_string): New function.
* infrun.c (handle_inferior_event) <random signal>: In debug
output, print the random signal enum as string in addition to its
number.
* target/waitstatus.c (target_waitstatus_to_string): Print the
signal's enum value as string instead of the (POSIX) signal name.
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Luis Machado
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c8a62302a5 |
* target/waitstatus.h (target_waitkind): Remove spurious
character from the comments. |
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Luis Machado
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33b60d5831 |
gdb/
* Makefile.in (SFILES): Remove common/target-common.c and add target/waitstatus.c. (HFILES_NO_SRCDIR): Remove common/target-common.h and add target/resume.h, target/wait.h and target/waitstatus.h. (COMMON_OBS): Remove target-common.o and add waitstatus.o. (target-common.o): Remove. (waitstatus.o): New target object file. * common/target-common.c: Move contents to target/waitstatus.c and remove. * common/target-common.h: Move contents to other files and remove. (enum resume_kind: Move to target/resume.h. (TARGET_WNOHANG): Move to target/wait.h. (enum target_waitkind): Move to target/waitstatus.h. (struct target_waitstatus): Likewise. * target.h: Do not include target-common.h and include target/resume.h, target/wait.h and target/waitstatus.h. * target/resume.h: New file. * target/wait.h: New file. * target/waitstatus.h: New file. * target/waitstatus.c: New file. gdb/gdbserver/ * Makefile.in (INCLUDE_CFLAGS): Include -I$(srcdir)/../. (SFILES): Remove $(srcdir)/common/target-common.c and add $(srcdir)/target/waitstatus.c. (OBS): Remove target-common.o and add waitstatus.o. (server_h): Remove $(srcdir)/../common/target-common.h and add $(srcdir)/../target/resume.h, $(srcdir)/../target/wait.h and $(srcdir)/../target/waitstatus.h. (target-common.o): Remove. (waitstatus.o): New target object file. * target.h: Do not include target-common.h and include target/resume.h, target/wait.h and target/waitstatus.h. |