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Fix remaining GDBserver issues with !HAVE_THREAD_DB_H.

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The previous patches are still not sufficient to build gdbserver with
our copy of thread_db.h.

../../../src/gdb/gdbserver/thread-db.c: In function ‘find_one_thread’:
../../../src/gdb/gdbserver/thread-db.c:316:6: error: ‘struct lwp_info’ has no member named ‘th’
../../../src/gdb/gdbserver/thread-db.c: In function ‘attach_thread’:
../../../src/gdb/gdbserver/thread-db.c:341:6: error: ‘struct lwp_info’ has no member named ‘th’
../../../src/gdb/gdbserver/thread-db.c: In function ‘thread_db_get_tls_address’:
../../../src/gdb/gdbserver/thread-db.c:514:47: error: ‘struct lwp_info’ has no member named ‘th’
make: *** [thread-db.o] Error 1

First, linux-low.h is including <thread_db.h> directly instead of our
gdb_thread_db.h, although thread-db.c includes the latter.  Then the
'th' field of struct lwp_info is only defined if HAVE_THREAD_DB_H is
defined, which is not true if we're using our replacement copy of
thread_db.h.  We have a USE_THREAD_DB symbol defined if we're building
thread-db.c that's ideal for this, however, it's currently only
defined when compiling linux-low.c (through a Makefile rule).  The
patch makes it defined when compiling any file.

gdb/gdbserver/
2013-04-16  Pedro Alves  <palves@redhat.com>

	* Makefile.in (INTERNAL_CFLAGS): Add @USE_THREAD_DB@.
	(linux-low.o): Delete rule.
	* linux-low.h: Always include "gdb_thread_db.h" instead of
	conditionally including thread_db.h.
	(struct lwp_info) <th>: Guard with #ifdef USE_THREAD_DB instead of
	HAVE_THREAD_DB_H.
This commit is contained in:
Pedro Alves
2013-04-16 18:20:40 +00:00
parent 488a42b8c4
commit 04f5fe89ae
3 changed files with 13 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
gdb/gdbserver/ChangeLog
View File

@ -1,3 +1,12 @@
2013-04-16 Pedro Alves <palves@redhat.com>
* Makefile.in (INTERNAL_CFLAGS): Add @USE_THREAD_DB@.
(linux-low.o): Delete rule.
* linux-low.h: Always include "gdb_thread_db.h" instead of
conditionally including thread_db.h.
(struct lwp_info) <th>: Guard with #ifdef USE_THREAD_DB instead of
HAVE_THREAD_DB_H.
2013-04-07 Jan Kratochvil <jan.kratochvil@redhat.com> 2013-04-07 Jan Kratochvil <jan.kratochvil@redhat.com>
* Makefile.in (install-only): Fix make install regression. * Makefile.in (install-only): Fix make install regression.

8
gdb/gdbserver/Makefile.in
View File

@ -123,7 +123,8 @@ CFLAGS = @CFLAGS@
INTERNAL_CFLAGS_BASE = ${CFLAGS} ${GLOBAL_CFLAGS} \ INTERNAL_CFLAGS_BASE = ${CFLAGS} ${GLOBAL_CFLAGS} \
${PROFILE_CFLAGS} ${INCLUDE_CFLAGS} ${PROFILE_CFLAGS} ${INCLUDE_CFLAGS}
INTERNAL_WARN_CFLAGS = ${INTERNAL_CFLAGS_BASE} $(WARN_CFLAGS) INTERNAL_WARN_CFLAGS = ${INTERNAL_CFLAGS_BASE} $(WARN_CFLAGS)
INTERNAL_CFLAGS = ${INTERNAL_WARN_CFLAGS} $(WERROR_CFLAGS) -DGDBSERVER INTERNAL_CFLAGS = ${INTERNAL_WARN_CFLAGS} $(WERROR_CFLAGS) \
@USE_THREAD_DB@ -DGDBSERVER
# LDFLAGS is specifically reserved for setting from the command line # LDFLAGS is specifically reserved for setting from the command line
# when running make. # when running make.
@ -559,11 +560,6 @@ vsnprintf.o: $(srcdir)/../../libiberty/vsnprintf.c
$(POSTCOMPILE) $(POSTCOMPILE)
i386_low_h = $(srcdir)/i386-low.h i386_low_h = $(srcdir)/i386-low.h
linux-low.o: linux-low.c
$(COMPILE) $< @USE_THREAD_DB@
$(POSTCOMPILE)
win32_low_h = $(srcdir)/win32-low.h win32_low_h = $(srcdir)/win32-low.h
aarch64.c : $(srcdir)/../regformats/aarch64.dat $(regdat_sh) aarch64.c : $(srcdir)/../regformats/aarch64.dat $(regdat_sh)

6
gdb/gdbserver/linux-low.h
View File

@ -16,9 +16,7 @@
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_THREAD_DB_H #include "gdb_thread_db.h"
#include <thread_db.h>
#endif
#include <signal.h> #include <signal.h>
#include "gdbthread.h" #include "gdbthread.h"
@ -270,7 +268,7 @@ struct lwp_info
int need_step_over; int need_step_over;
int thread_known; int thread_known;
#ifdef HAVE_THREAD_DB_H #ifdef USE_THREAD_DB
/* The thread handle, used for e.g. TLS access. Only valid if /* The thread handle, used for e.g. TLS access. Only valid if
THREAD_KNOWN is set. */ THREAD_KNOWN is set. */
td_thrhandle_t th; td_thrhandle_t th;