gdb/

* Makefile.in (RDYNAMIC): New. (SFILES): Add proc-service.list. * config/alpha/alpha-linux.mh (NAT_CDEPS): New. (LOADLIBES): Replace -rdynamic by $(RDYNAMIC). * config/arm/linux.mh: Likewise. * config/i386/linux.mh: Likewise. * config/i386/linux64.mh: Likewise. * config/ia64/linux.mh: Likewise. * config/m32r/linux.mh: Likewise. * config/m68k/linux.mh: Likewise. * config/mips/linux.mh: Likewise. * config/pa/linux.mh: Likewise. * config/powerpc/linux.mh: Likewise. * config/powerpc/ppc64-linux.mh: Likewise. * config/s390/s390.mh: Likewise. * config/sparc/linux.mh: Likewise. * config/sparc/linux64.mh: Likewise. * config/xtensa/linux.mh: Likewise. * configure.ac: New RDYNAMIC on native host and GCC. (solaris*): Replace -Wl,-export-dynamic by $RDYNAMIC. * configure: Regenerate. * proc-service.list: New. gdb/gdbserver/ * Makefile.in (SFILES): Add $(srcdir)/proc-service.list. (CDEPS): New. * configure.ac (RDYNAMIC): New AC_MSG_CHECKING wrapping. Test also -Wl,--dynamic-list. * configure: Regenerate. * proc-service.list: New.
2025-08-06 06:45:56 +08:00 · 2010-05-28 18:50:35 +00:00
parent 096554ab8e
commit f6528abd64
25 changed files with 269 additions and 67 deletions
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@ -1,3 +1,12 @@
+2010-05-28  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* Makefile.in (SFILES): Add $(srcdir)/proc-service.list.
+	(CDEPS): New.
+	* configure.ac (RDYNAMIC): New AC_MSG_CHECKING wrapping.  Test also
+	-Wl,--dynamic-list.
+	* configure: Regenerate.
+	* proc-service.list: New.
+
 2010-05-28  Jan Kratochvil  <jan.kratochvil@redhat.com>

 	* linux-low.c (linux_core_of_thread): Fix crash on invalid CONTENT.
--- a/gdb/gdbserver/Makefile.in
+++ b/gdb/gdbserver/Makefile.in
@ -100,7 +100,8 @@ INTERNAL_LDFLAGS = $(LDFLAGS) @RDYNAMIC@
 # All source files that go into linking GDB remote server.

 SFILES=	$(srcdir)/gdbreplay.c $(srcdir)/inferiors.c \
-	$(srcdir)/mem-break.c $(srcdir)/proc-service.c $(srcdir)/regcache.c \
+	$(srcdir)/mem-break.c $(srcdir)/proc-service.c \
+	$(srcdir)/proc-service.list $(srcdir)/regcache.c \
 	$(srcdir)/remote-utils.c $(srcdir)/server.c $(srcdir)/target.c \
 	$(srcdir)/thread-db.c $(srcdir)/utils.c \
 	$(srcdir)/linux-arm-low.c $(srcdir)/linux-cris-low.c \
@ -133,6 +134,7 @@ OBS = inferiors.o regcache.o remote-utils.o server.o signals.o target.o \
 GDBREPLAY_OBS = gdbreplay.o version.o
 GDBSERVER_LIBS = @GDBSERVER_LIBS@
 XM_CLIBS = @LIBS@
+CDEPS = $(srcdir)/proc-service.list

 # XML files to compile in to gdbserver, if any.
 XML_DIR = $(srcdir)/../features
--- a/gdb/gdbserver/configure
+++ b/gdb/gdbserver/configure
@ -4349,8 +4349,13 @@ USE_THREAD_DB=
 if test "$srv_linux_thread_db" = "yes"; then
  if test "$ac_cv_lib_dl_dlopen" = "yes"; then
    srv_libs="-ldl"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the dynamic export flag" >&5
+$as_echo_n "checking for the dynamic export flag... " >&6; }
    old_LDFLAGS="$LDFLAGS"
-    LDFLAGS="$LDFLAGS -rdynamic"
+    # Older GNU ld supports --export-dynamic but --dynamic-list may not be
+    # supported there.
+    RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
+    LDFLAGS="$LDFLAGS $RDYNAMIC"
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */

@ -4363,14 +4368,37 @@ main ()
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  RDYNAMIC=-rdynamic
+  found="-Wl,--dynamic-list"
+		 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
 else
-  RDYNAMIC=
+  RDYNAMIC="-rdynamic"
+		 LDFLAGS="$old_LDFLAGS $RDYNAMIC"
+		 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  found="-rdynamic"
+else
+  found="no"
+			      RDYNAMIC=""
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext

    LDFLAGS="$old_LDFLAGS"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $found" >&5
+$as_echo "$found" >&6; }
  else
    srv_libs="-lthread_db"
  fi
--- a/gdb/gdbserver/configure.ac
+++ b/gdb/gdbserver/configure.ac
@ -188,11 +188,24 @@ USE_THREAD_DB=
 if test "$srv_linux_thread_db" = "yes"; then
  if test "$ac_cv_lib_dl_dlopen" = "yes"; then
    srv_libs="-ldl"
+    AC_MSG_CHECKING(for the dynamic export flag)
    old_LDFLAGS="$LDFLAGS"
-    LDFLAGS="$LDFLAGS -rdynamic"
-    AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
+    # Older GNU ld supports --export-dynamic but --dynamic-list may not be
+    # supported there.
+    RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
+    LDFLAGS="$LDFLAGS $RDYNAMIC"
+    AC_TRY_LINK([], [],
+		[found="-Wl,--dynamic-list"
+		 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
+		[RDYNAMIC="-rdynamic"
+		 LDFLAGS="$old_LDFLAGS $RDYNAMIC"
+		 AC_TRY_LINK([], [],
+			     [found="-rdynamic"],
+			     [found="no"
+			      RDYNAMIC=""])])
    AC_SUBST(RDYNAMIC)
    LDFLAGS="$old_LDFLAGS"
+    AC_MSG_RESULT($found)
  else
    srv_libs="-lthread_db"
  fi
--- a/gdb/gdbserver/proc-service.list
+++ b/gdb/gdbserver/proc-service.list
@ -0,0 +1,30 @@
+/* -Wl,--dynamic-list symbols exported for libthread_db.
+
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+{
+  ps_get_thread_area;
+  ps_getpid;
+  ps_lgetfpregs;
+  ps_lgetregs;
+  ps_lsetfpregs;
+  ps_lsetregs;
+  ps_pdread;
+  ps_pdwrite;
+  ps_pglobal_lookup;
+};