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2018-01-02Update copyright year range in all GDB filesJoel Brobecker
gdb/ChangeLog: Update copyright year range in all GDB files
2017-11-24[spu] Fix spu-linux native buildUlrich Weigand
Add missing file to NATDEPFILES. gdb/ChangeLog: 2017-11-24 Ulrich Weigand <uweigand@de.ibm.com> * configure.nat <spu-linux>: Add fork-inferior.o to NATDEPFILES.
2017-10-11Add native target for FreeBSD/arm.John Baldwin
gdb/ChangeLog: * Makefile.in (ALLDEPFILES): Add arm-fbsd-nat.c. * NEWS: Mention new FreeBSD/arm native configuration. * configure.host: Add arm*-*-freebsd*. * configure.nat: Likewise. * arm-fbsd-nat.c: New file.
2017-09-26Remove support for Solaris < 10 (PR gdb/22185)Rainer Orth
Given that GCC has obsoleted/removed support for Solaris 9 in GCC 4.9/5 in 2013: https://gcc.gnu.org/gcc-4.9/changes.html https://gcc.gnu.org/ml/gcc-patches/2013-05/msg00728.html and the last gdb version that can be compiled with gcc 4.9 is 7.12.1 only when configured with --disable-build-with-cxx, it's time to obsolete/remove support for Solaris < 10. This patch does this, simplifying configure.nat along the way (only a single sol2 configuration with variants for i386 and sparc). Some configure checks for older Solaris versions can go, too, and the check for libthread_db.so.1 removed: * Since Solaris 10, dlopen has moved to libc and libdl.so is just a filter on ld.so.1, so no need to check. * $RDYNAMIC is already handled above (and is a no-op with Solaris ld anyway). Both proc-service.c and sol-thread.c lose support for (Solaris-only) PROC_SERVICE_IS_OLD. The attached revised patch has been tested on sparcv9-sun-solaris2.10, sparcv9-sun-solaris2.11.4, amd64-pc-solaris2.10, amd64-pc-solaris2.11.4, and x86_64-pc-linux-gnu. I've also started an i386-pc-solaris2.9 build to check that it really stops as expected. PR gdb/22185 * configure.host <*-*-solaris2.[01], *-*-solaris2.[2-9]*>: Mark as obsolete. Use gdb_host sol2 for i[34567]86-*-solaris2*, x86_64-*-solaris2*. Remove i386sol2 support. * configure.nat <i386sol2>: Remove. <sol2-64>: Fold into ... <sol2>: ... this. Move common settings to default section. Add sol-thread.o. * configure.tgt <i[34567]86-*-solaris2.1[0-9]*, x86_64-*-solaris2.1[0-9]*>: Rename to ... <i[34567]86-*-solaris2*, x86_64-*-solaris2*>: ... this. <i[34567]86-*-solaris*>: Remove. <sparc-*-solaris2.[0-6], sparc-*-solaris2.[0-6].*>: Remove. * configure.ac: Remove wctype in libw check. (_MSE_INT_H): Don't define on Solaris 7-9. <solaris*>: Remove libthread_db.so.1 check. * configure: Regenerate. * config.in: Regenerate. * proc-service.c: Remove PROC_SERVICE_IS_OLD handling. (gdb_ps_prochandle_t, gdb_ps_read_buf_t, gdb_ps_write_buf_t) (gdb_ps_size_t): Remove. Use base types in users. * sol-thread.c: Likewise, also for gdb_ps_addr_t. * NEWS (Changes since GDB 8.0): Document Solaris 2.0-9 removal.
2017-09-22Fix gdb 8.1 Solaris compilationRainer Orth
I just tried to compile gdb trunk on Solaris 11.4 (formerly 12), and failed for a couple of reasons: * In file included from /usr/include/python2.7/Python.h:128:0, from /vol/src/gnu/gdb/gdb/dist/gdb/python/python-internal.h:94, from /vol/src/gnu/gdb/gdb/dist/gdb/python/py-instruction.h:23, from /vol/src/gnu/gdb/gdb/dist/gdb/python/py-instruction.c:21: /usr/include/python2.7/ceval.h:67:0: error: ignoring #pragma no_inline [-Werror=unknown-pragmas] #pragma no_inline(PyEval_EvalFrameEx) ^ New in Solaris 11.4: <python2.7/ceval.h> uses a Studio-only #pragma. I've disabled the warning in warnings.m4. * /vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c: In function ‘int pipe_open(serial*, const char*)’: /vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c:77:9: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations] pid = vfork (); ^ /vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c:77:16: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations] pid = vfork (); ^ Since Solaris 11, vfork () is marked deprecated in <unistd.h>. cf. vfork(2): The vfork() and vforkx() functions are deprecated. Their sole legiti- mate use as a prelude to an immediate call to a function from the exec family can be achieved safely by posix_spawn(3C) or posix_spawnp(3C). Again, I've disabled the warning. * /vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c: In function ‘void shell_escape(const char*, int)’: /vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c:750:14: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations] if ((pid = vfork ()) == 0) ^ /vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c:750:21: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations] if ((pid = vfork ()) == 0) ^ Same problem. * /vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_init_inferior(target_ops*, int)’: /vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:4380:30: error: ‘START_INFERIOR_TRAPS_EXPECTED’ was not declared in this scope gdb_startup_inferior (pid, START_INFERIOR_TRAPS_EXPECTED); ^ defined in nat/fork-inferior.h, need to include that header /vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_create_inferior(target_ops*, const char*, const string&, char**, int)’: /vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:4605:38: error: ‘fork_inferior’ was not declared in this scope NULL, NULL, shell_file, NULL); ^ likewise /vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_info_proc(target_ops*, const char*, info_proc_what)’: /vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:5124:20: error: ‘argv’ was not declared in this scope for (char *arg : argv) ^ Typo, should be built_argv instead! * Undefined first referenced symbol in file fork_inferior(char const*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*)) procfs.o startup_inferior(int, int, target_waitstatus*, ptid_t*) fork-child.o ld: fatal: symbol referencing errors collect2: error: ld returned 1 exit status make[2]: *** [Makefile:2249: gdb] Error 1 Need to add fork-inferior.o to NATDEPFILES. With the changes below, I can build gdb on sparcv9-sun-solaris2.11 and amd64-pc-solaris2.11 and a simple smoke test (gdb/gdb gdb/gdb) works.
2017-09-06Define HAVE_NATIVE_GCORE_HOST on NetBSDKamil Rytarowski
NetBSD ships with gcore(1) againg since the version 2.0. This tool is functional and actively maintained. gdb/ChangeLog 2017-09-06 Kamil Rytarowski <n54@gmx.com> * configure.nat: Define HAVE_NATIVE_GCORE_HOST on NetBSD.
2017-09-06Add native target for FreeBSD/aarch64.John Baldwin
gdb/ChangeLog: * Makefile.in (ALLDEPFILES): Add mips-fbsd-nat.c. * NEWS: Mention new FreeBSD/mips native configuration. * configure.host: Add aarch64*-*-freebsd*. * configure.nat: Likewise. * aarch64-fbsd-nat.c: New file.
2017-09-04Enable support for x86 debug registers on NetBSD.John Baldwin
NetBSD recently added PT_GETDBREGS and PT_SETDBREGS ptrace operations that match the existing ones supported by x86-bsd-nat.c. NetBSD's headers do not provide the DBREG_DRX helper macro, so define a local version in x86-bsd-nat.c. In addition, add the x86-nat.o and x86-dregs.o object files to the native NetBSD x86 build targets. gdb/ChangeLog: * configure.nat: Add "x86-nat.o x86-dregs.o" for NetBSD/amd64 and NetBSD/i386. * x86-bsd-nat.c [!DBREG_DRX && __NetBSD__]: Define DBREG_DRX.
2017-07-25Fix two NetBSD-specific typos in the configure.nat conversion.John Baldwin
- Add the '-lkvm' library requirement for NetBSD/sparc64. - Fix spelling of 'nbsdelf' host. gdb/Changelog: * configure.nat: Add "-lkvm" for NetBSD/sparc64 and fix typo.
2017-06-13darwin: Add fork-inferior.o to NATDEPFILESSimon Marchi
I happened to be build-testing on macOS and found this: Undefined symbols for architecture x86_64: "fork_inferior(char const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*))", referenced from: darwin_create_inferior(target_ops*, char const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char**, int) in darwin-nat.o "startup_inferior(int, int, target_waitstatus*, ptid_t*)", referenced from: gdb_startup_inferior(int, int) in fork-child.o "trace_start_error(char const*, ...)", referenced from: darwin_ptrace_me() in darwin-nat.o "trace_start_error_with_name(char const*)", referenced from: darwin_ptrace_me() in darwin-nat.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) Adding fork-inferior.o fixes it. I factored out the Darwin bits that are no architecture-specific in the section meant for that at the top. I only built-tested this using Travis-CI, since I don't have access to this platform. gdb/ChangeLog: * configure.nat: Factor out Darwin bits that are not architecture-specific. Add fork-inferior.o.
2017-06-13aix: Add fork-inferior.o to NATDEPFILESSimon Marchi
Trying to build on AIX gives: ld: 0711-317 ERROR: Undefined symbol: .trace_start_error_with_name(char const*) ld: 0711-317 ERROR: Undefined symbol: .fork_inferior(char const*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*)) ld: 0711-317 ERROR: Undefined symbol: .startup_inferior(int, int, target_waitstatus*, ptid_t*) Including fork-inferior.o in the build should help. I also factored out the AIX bits that are not architecture-specific to be consistent with the other OSes. gdb/ChangeLog: * configure.nat: Factor out AIX bits that are not architecture-specific. Add fork-inferior.o.
2017-06-07Share fork_inferior et al with gdbserverSergio Durigan Junior
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.
2017-05-17nat_extra_makefile_frag -> nat_makefile_fragPedro Alves
gdb/ChangeLog: 2017-05-17 Pedro Alves <palves@redhat.com> * Makefile.in (nat_extra_makefile_frag): Rename to ... (nat_makefile_frag): ... this. All references updated. * configure.ac: Likewise. * configure.nat: Likewise. Enhance comments. * configure: Regenerate.
2017-05-06Rearrange gdb/configure.nat to make it simpler and less redundantSergio Durigan Junior
The previous commit introduced gdb/configure.nat, but it was just a copy-and-past (with the necessary adjustments) from the files under gdb/config/. We can do better than that. Instead of using one big 'case' statement that matches the ${gdb_host_cpu} and then match each ${gdb_host}, it is possible to remove a lof of redundancy by matching the most common ${gdb_host}'s first, setting the common variables for each, and then proceed to matching specific ${gdb_host}'s and ${gdb_host_cpu}'s. In other words, reverse the order of the 'case's and take advantage of the fact that a lot of parameters are the same for each host. This commit was tested on x86_64 without regressions. gdb/ChangeLog: 2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com> * configure.nat: Rearrange 'case' statements to match host before cpu.
2017-05-06Introduce "gdb/configure.nat" (and delete "gdb/config/*/*.mh" files)Sergio Durigan Junior
Due to my ongoing work to make it possible for gdbserver to start the inferior using the shell, I had to share the fork_inferior function under the "nat/" directory. In order to do that, I created a new file and put the function there; however, this meant that I now had to update some of the *.mh files (under "gdb/config") and add the new file as a dependency to be built natively. Bleh... After talking a bit to Pedro about this, the idea came up to write a new "gdb/configure.nat" file, a la "gdb/configure.tgt", which would concentrate all of the native settings for each host/system. I decided to tackle this issue. The patch is simple. All of the previous Makefile variables that were being declared inside the *.mh files are now inside "gdb/Makefile.in", and "gdb/configure" is responsible for AC_SUBST'ing them. The definitions of these variables were put inside "gdb/configure.nat", so now they're shell variables. For excerpts of Makefile code, one must create a file under "gdb/config/${gdb_cpu_host}" and reference it on the "nat_extra_makefile_frag" variable. It should now be easier to update the native dependencies of hosts in this single file. This has been tested on x86_64 without regressions. gdb/ChangeLog: 2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com> * Makefile.in: Remove "@host_makefile_frag@". Add variables NAT_FILE, NATDEPFILES, NAT_CDEPS, LOADLIBES, MH_CFLAGS, XM_CLIBS, NAT_GENERATED_FILES, HAVE_NATIVE_GCORE_HOST. Add "@nat_extra_makefile_frag@". (Makefile): Remove dependency on "@frags@". ($(GNULIB_BUILDDIR)/Makefile): Likewise. (data-directory/Makefile): Likewise. * config/aarch64/linux.mh: Deleted; moved contents to "gdb/configure.nat". * config/alpha/alpha-linux.mh: Likewise. * config/alpha/nbsd.mh: Likewise. * config/arm/linux.mh: Likewise. * config/arm/nbsdelf.mh: Likewise. * config/i386/cygwin.mh: Likewise. * config/i386/cygwin64.mh: Likewise. * config/i386/darwin.mh: Likewise. * config/i386/fbsd.mh: Likewise. * config/i386/fbsd64.mh: Likewise. * config/i386/go32.mh: Likewise. * config/i386/i386gnu.mh: Likewise. * config/i386/i386sol2.mh: Likewise. * config/i386/linux.mh: Likewise. * config/i386/linux64.mh: Likewise. * config/i386/mingw.mh: Likewise. * config/i386/mingw64.mh: Likewise. * config/i386/nbsd64.mh: Likewise. * config/i386/nbsdelf.mh: Likewise. * config/i386/nto.mh: Likewise. * config/i386/obsd.mh: Likewise. * config/i386/obsd64.mh: Likewise. * config/i386/sol2-64.mh: Likewise. * config/ia64/linux.mh: Likewise. * config/m32r/linux.mh: Likewise. * config/m68k/linux.mh: Likewise. * config/m68k/nbsdelf.mh: Likewise. * config/m68k/obsd.mh: Likewise. * config/m88k/obsd.mh: Likewise. * config/mips/fbsd.mh: Likewise. * config/mips/linux.mh: Likewise. * config/mips/nbsd.mh: Likewise. * config/mips/obsd64.mh: Likewise. * config/pa/linux.mh: Likewise. * config/pa/nbsd.mh: Likewise. * config/pa/obsd.mh: Likewise. * config/powerpc/aix.mh: Likewise. * config/powerpc/fbsd.mh: Likewise. * config/powerpc/linux.mh: Likewise. * config/powerpc/nbsd.mh: Likewise. * config/powerpc/obsd.mh: Likewise. * config/powerpc/ppc64-linux.mh: Likewise. * config/powerpc/spu-linux.mh: Likewise. * config/s390/linux.mh: Likewise. * config/sh/nbsd.mh: Likewise. * config/sparc/fbsd.mh: Likewise. * config/sparc/linux.mh: Likewise. * config/sparc/linux64.mh: Likewise. * config/sparc/nbsd64.mh: Likewise. * config/sparc/nbsdelf.mh: Likewise. * config/sparc/obsd64.mh: Likewise. * config/sparc/sol2.mh: Likewise. * config/tilegx/linux.mh: Likewise. * config/vax/nbsdelf.mh: Likewise. * config/vax/obsd.mh: Likewise. * config/xtensa/linux.mh: Likewise. * config/i386/i386gnu.mn: New file, with excerpts from "config/i386/i386gnu.mh". * configure: Regenerate. * configure.ac: Rewrite code to use "gdb/configure.nat" instead of *.mh files under "gdb/config". * configure.nat: New file, with contents from the "gdb/config/*/*.mh" files. gdb/doc/ChangeLog: 2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com> * Makefile: Remove "@host_makefile_frag@".
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