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This patch moves the gdbsupport directory to the top level. This is
the next step in the ongoing project to move gdbserver to the top
level.
The bulk of this patch was created by "git mv gdb/gdbsupport gdbsupport".
This patch then adds a build system to gdbsupport and wires it into
the top level. Then it changes gdb to use the top-level build.
gdbserver, on the other hand, is not yet changed. It still does its
own build of gdbsupport.
ChangeLog
2020-01-14 Tom Tromey <tom@tromey.com>
* src-release.sh (GDB_SUPPORT_DIRS): Add gdbsupport.
* MAINTAINERS: Add gdbsupport.
* configure: Rebuild.
* configure.ac (configdirs): Add gdbsupport.
* gdbsupport: New directory, move from gdb/gdbsupport.
* Makefile.def (host_modules, dependencies): Add gnulib.
* Makefile.in: Rebuild.
gdb/ChangeLog
2020-01-14 Tom Tromey <tom@tromey.com>
* nat/x86-linux-dregs.c: Include configh.h.
* nat/linux-ptrace.c: Include configh.h.
* nat/linux-btrace.c: Include configh.h.
* defs.h: Include config.h, bfd.h.
* configure.ac: Don't source common.host.
(CONFIG_OBS, CONFIG_SRCS): Remove gdbsupport files.
* configure: Rebuild.
* acinclude.m4: Update path.
* Makefile.in (SUPPORT, LIBSUPPORT, INCSUPPORT): New variables.
(CONFIG_SRC_SUBDIR): Remove gdbsupport.
(INTERNAL_CFLAGS_BASE): Add INCSUPPORT.
(CLIBS): Add LIBSUPPORT.
(CDEPS): Likewise.
(COMMON_SFILES): Remove gdbsupport files.
(HFILES_NO_SRCDIR): Likewise.
(stamp-version): Update path to create-version.sh.
(ALLDEPFILES): Remove gdbsupport files.
gdb/gdbserver/ChangeLog
2020-01-14 Tom Tromey <tom@tromey.com>
* server.h: Include config.h.
* gdbreplay.c: Include config.h.
* configure: Rebuild.
* configure.ac: Don't source common.host.
* acinclude.m4: Update path.
* Makefile.in (INCSUPPORT): New variable.
(INCLUDE_CFLAGS): Add INCSUPPORT.
(SFILES): Update paths.
(version-generated.c): Update path to create-version.sh.
(gdbsupport/%-ipa.o, gdbsupport/%.o): Update paths.
gdbsupport/ChangeLog
2020-01-14 Tom Tromey <tom@tromey.com>
* common-defs.h: Add GDBSERVER case. Update includes.
* acinclude.m4, aclocal.m4, config.in, configure, configure.ac,
Makefile.am, Makefile.in, README: New files.
* Moved from ../gdb/gdbsupport/
Change-Id: I07632e7798635c1bab389bf885971e584fb4bb78
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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Attempting to build GDB in Ubuntu 16.04.6 LTS on x86_64, I ran into warnings
that caused the build to fail:
binutils-gdb/gdb/gdbsupport/safe-strerror.c:44:1: error: ‘char* select_strerror_r(char*, char*)’ defined but not used [-Werror=unused-function] select_strerror_r (char *res, char *)
The diagnostic macro DIAGNOSTIC_IGNORE_UNUSED_FUNCTION seems to expand
correctly to its respective pragma, but this doesn't seem to have an effect on
the warning. I tried to use the pragma explicitly and got the same result.
ATTRIBUTE_UNUSED works fine in this case if you put it in both functions,
which should fix warnings for both gdb and gdbserver builds.
The compiler version is gcc (Ubuntu 5.4.0-6ubuntu1~16.04.11) 5.4.0 20160609.
This is likely the result of PR64079 in GCC, which was fixed by commit
9e96f1e1b9731c4e1ef4fbbbf0997319973f0537.
To prevent other developers from attempting to use this macro, only to get
confused by it not working as expected, it seems better to not define this
particular macro.
gdb/ChangeLog:
2019-12-12 Luis Machado <luis.machado@linaro.org>
* gdbsupport/safe-strerror.c: Don't include diagnostics.h.
(select_strerror_r): Use ATTRIBUTE_UNUSED instead of the diagnostics
macros.
include/ChangeLog:
2019-12-12 Luis Machado <luis.machado@linaro.org>
* diagnostics.h (DIAGNOSTIC_IGNORE_UNUSED_FUNCTION). Remove
definitions.
Change-Id: Iad6123d61d76d111e3ef8d24aa8c60112304c749
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We only ever use one of the two overloads, so to avoid breaking -Werror
builds, supress the warning.
gdb/ChangeLog:
2019-12-10 Christian Biesinger <cbiesinger@google.com>
* gdbsupport/safe-strerror.c: Supress the unused function warning
for select_strerror_r.
Change-Id: I344869a382bb36fe181b5b2a31838d1d20f58169
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To do that, this patch makes IPA compile safe-strerror as well. Because
it doesn't use Gnulib, it calls the Glibc version of strerror_r directly.
Consequently this patch also removes the configure checks for strerror.
gdb/ChangeLog:
2019-12-10 Christian Biesinger <cbiesinger@google.com>
* config.in: Regenerate.
* configure: Regenerate.
* gdbsupport/agent.c (gdb_connect_sync_socket): Call
safe_strerror instead of strerror.
* gdbsupport/common.m4: Don't check for strerror.
* gdbsupport/safe-strerror.c: Support both the glibc version
of strerror_r and the XSI version.
gdb/gdbserver/ChangeLog:
2019-12-10 Christian Biesinger <cbiesinger@google.com>
* Makefile.in: Add safe-strerror.c to gdbreplay and IPA, and change
UNDO_GNULIB_CFLAGS to undo strerror_r instead of strerror.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: Don't check for strerror.
* linux-i386-ipa.c (initialize_fast_tracepoint_trampoline_buffer):
Call safe_strerror instead of strerror.
* server.h (strerror): Remove this now-unnecessary declaration.
* tracepoint.c (init_named_socket): Call safe_strerror instead of
strerror.
(gdb_agent_helper_thread): Likewise.
* utils.c (perror_with_name): Likewise.
Change-Id: I74848f072dcde75cb55c435ef9398dc8f958cd73
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There is no need to keep mingw-strerror around; we can just always use
the code from posix-strerror. The main reason we had that code, it
seems, is to handle winsock error codes, but gnulib's version
handles those.
Unfortunately the code can't be moved into common-utils.c because
libinproctrace.so uses common-utils but not gnulib.
gdb/ChangeLog:
2019-11-15 Christian Biesinger <cbiesinger@google.com>
* Makefile.in: Replace {posix,mingw}-strerror.c with safe-strerror.c.
* configure: Regenerate.
* configure.ac: Don't source common.host.
* gdbsupport/common.host: Remove.
* gdbsupport/mingw-strerror.c: Remove.
* gdbsupport/posix-strerror.c: Rename to...
* gdbsupport/safe-strerror.c: ...this.
gdb/gdbserver/ChangeLog:
2019-11-15 Christian Biesinger <cbiesinger@google.com>
* Makefile.in: Add safe-strerror.c.
* configure: Regenerate.
* configure.ac: Don't source common.host.
Change-Id: I9e6d8a752fc398784201f370cafee65e0ea05474
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