2002-11-11 Elena Zannoni <ezannoni@redhat.com>

        * findvar.c (read_var_value): Reenable TLS code.

2002-11-11  Elena Zannoni  <ezannoni@redhat.com>
            Jim Blandy  <jimb@redhat.com>

	* gdb_thread_db.h (enum): Add TD_NOTALLOC.
	* target.c (update_current_target): Add
	to_get_thread_local_address.
	* target.h (to_get_thread_local_address): Export.
	(target_get_thread_local_address): Define.
	(target_get_thread_local_address_p): Define.
	* thread-db.c: Include solib-svr4.h.
	(td_thr_tls_get_addr_p): Define.
	(thread_db_load): Get a pointer to td_thr_tls_get_addr.
	(thread_db_get_thread_local_address): New function.
	(init_thread_db_ops): Initialize to_get_thread_local_address.
	* configure.in: Add test for TD_NOTALLOC in thread_db.h.
	* configure: Regenerate.
	* config.in: Regenerate.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 317f049..360ee52 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,25 @@
+2002-11-11  Elena Zannoni  <ezannoni@redhat.com>
+
+        * findvar.c (read_var_value): Reenable TLS code.
+
+2002-11-11  Elena Zannoni  <ezannoni@redhat.com>
+            Jim Blandy  <jimb@redhat.com>
+       
+       * gdb_thread_db.h (enum): Add TD_NOTALLOC.
+       * target.c (update_current_target): Add
+       to_get_thread_local_address.
+       * target.h (to_get_thread_local_address): Export.
+       (target_get_thread_local_address): Define.
+       (target_get_thread_local_address_p): Define.
+       * thread-db.c: Include solib-svr4.h.
+       (td_thr_tls_get_addr_p): Define.
+       (thread_db_load): Get a pointer to td_thr_tls_get_addr.
+       (thread_db_get_thread_local_address): New function.
+       (init_thread_db_ops): Initialize to_get_thread_local_address.
+       * configure.in: Add test for TD_NOTALLOC in thread_db.h.
+       * configure: Regenerate.
+       * config.in: Regenerate.
+
 2002-11-11  David Carlton  <carlton@math.stanford.edu>
 
        * linespec.c (set_flags): New function.

diff --git a/gdb/config.in b/gdb/config.in
index 8c1c7bf..fa1ab9a 100644 (file)
--- a/gdb/config.in
+++ b/gdb/config.in
@@ -1,4 +1,4 @@
-/* config.in.  Generated automatically from configure.in by autoheader 2.13.  */
+/* config.in.  Generated automatically from configure.in by autoheader.  */
 
 /* Define if on AIX 3.
    System headers sometimes define this.
@@ -514,3 +514,6 @@
 /* Define if <sys/procfs.h> has pr_siginfo64_t. */
 #undef HAVE_PR_SIGINFO64_T
 
+/* Define if <thread_db.h> has the TD_NOTALLOC error code. */
+#undef THREAD_DB_HAS_TD_NOTALLOC
+

diff --git a/gdb/configure b/gdb/configure
index 64370a8..f96b8f9 100755 (executable)
--- a/gdb/configure
+++ b/gdb/configure
@@ -6546,6 +6546,43 @@ EOF
    
 fi
 
+if test "x$ac_cv_header_thread_db_h" = "xyes"; then
+   echo $ac_n "checking whether <thread_db.h> has TD_NOTALLOC""... $ac_c" 1>&6
+echo "configure:6552: checking whether <thread_db.h> has TD_NOTALLOC" >&5
+if eval "test \"`echo '$''{'gdb_cv_thread_db_h_has_td_notalloc'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 6557 "configure"
+#include "confdefs.h"
+#include <thread_db.h>
+int main() {
+int i = TD_NOTALLOC;
+; return 0; }
+EOF
+if { (eval echo configure:6564: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  gdb_cv_thread_db_h_has_td_notalloc=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  gdb_cv_thread_db_h_has_td_notalloc=no
+     
+fi
+rm -f conftest*
+   
+fi
+
+echo "$ac_t""$gdb_cv_thread_db_h_has_td_notalloc" 1>&6
+fi
+if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
+  cat >> confdefs.h <<\EOF
+#define THREAD_DB_HAS_TD_NOTALLOC 1
+EOF
+
+fi
+
 
 # Check whether --enable-gdbcli or --disable-gdbcli was given.
 if test "${enable_gdbcli+set}" = set; then
@@ -6737,7 +6774,7 @@ WERROR_CFLAGS=""
 if test "x${build_warnings}" != x -a "x$GCC" = xyes
 then
     echo $ac_n "checking compiler warning flags""... $ac_c" 1>&6
-echo "configure:6741: checking compiler warning flags" >&5
+echo "configure:6778: checking compiler warning flags" >&5
     # Separate out the -Werror flag as some files just cannot be
     # compiled with it enabled.
     for w in ${build_warnings}; do
@@ -6747,14 +6784,14 @@ echo "configure:6741: checking compiler warning flags" >&5
            saved_CFLAGS="$CFLAGS"
            CFLAGS="$CFLAGS $w"
            cat > conftest.$ac_ext <<EOF
-#line 6751 "configure"
+#line 6788 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:6758: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6795: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   WARN_CFLAGS="${WARN_CFLAGS} $w"
 else
@@ -6814,12 +6851,12 @@ fi
 
 if test $want_included_regex = false; then
   echo $ac_n "checking for GNU regex""... $ac_c" 1>&6
-echo "configure:6818: checking for GNU regex" >&5
+echo "configure:6855: checking for GNU regex" >&5
   if eval "test \"`echo '$''{'gdb_cv_have_gnu_regex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6823 "configure"
+#line 6860 "configure"
 #include "confdefs.h"
 #include <gnu-versions.h>
 #include <sys/types.h>
@@ -6831,7 +6868,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:6835: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6872: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_gnu_regex=yes
 else
@@ -6860,12 +6897,12 @@ fi
 
 # In the Cygwin environment, we need some additional flags.
 echo $ac_n "checking for cygwin""... $ac_c" 1>&6
-echo "configure:6864: checking for cygwin" >&5
+echo "configure:6901: checking for cygwin" >&5
 if eval "test \"`echo '$''{'gdb_cv_os_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6869 "configure"
+#line 6906 "configure"
 #include "confdefs.h"
 
 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
@@ -6903,7 +6940,7 @@ if test x$gdb_cv_os_cygwin = xyes; then
 else
   TERM_LIB=
   echo $ac_n "checking for tgetent in -lncurses""... $ac_c" 1>&6
-echo "configure:6907: checking for tgetent in -lncurses" >&5
+echo "configure:6944: checking for tgetent in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6911,7 +6948,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6915 "configure"
+#line 6952 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6922,7 +6959,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6926: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6963: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6941,7 +6978,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lHcurses""... $ac_c" 1>&6
-echo "configure:6945: checking for tgetent in -lHcurses" >&5
+echo "configure:6982: checking for tgetent in -lHcurses" >&5
 ac_lib_var=`echo Hcurses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6949,7 +6986,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lHcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6953 "configure"
+#line 6990 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6960,7 +6997,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6964: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7001: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6979,7 +7016,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -ltermlib""... $ac_c" 1>&6
-echo "configure:6983: checking for tgetent in -ltermlib" >&5
+echo "configure:7020: checking for tgetent in -ltermlib" >&5
 ac_lib_var=`echo termlib'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6987,7 +7024,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermlib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6991 "configure"
+#line 7028 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6998,7 +7035,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:7002: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7039: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7017,7 +7054,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -ltermcap""... $ac_c" 1>&6
-echo "configure:7021: checking for tgetent in -ltermcap" >&5
+echo "configure:7058: checking for tgetent in -ltermcap" >&5
 ac_lib_var=`echo termcap'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7025,7 +7062,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermcap  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7029 "configure"
+#line 7066 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7036,7 +7073,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:7040: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7077: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7055,7 +7092,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lcurses""... $ac_c" 1>&6
-echo "configure:7059: checking for tgetent in -lcurses" >&5
+echo "configure:7096: checking for tgetent in -lcurses" >&5
 ac_lib_var=`echo curses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7063,7 +7100,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7067 "configure"
+#line 7104 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7074,7 +7111,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:7078: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7115: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7093,7 +7130,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lterminfo""... $ac_c" 1>&6
-echo "configure:7097: checking for tgetent in -lterminfo" >&5
+echo "configure:7134: checking for tgetent in -lterminfo" >&5
 ac_lib_var=`echo terminfo'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7101,7 +7138,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lterminfo  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7105 "configure"
+#line 7142 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7112,7 +7149,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:7116: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7277,7 +7314,7 @@ if test "${with_tclconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tcl configuration""... $ac_c" 1>&6
-echo "configure:7281: checking for Tcl configuration" >&5
+echo "configure:7318: checking for Tcl configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tclconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7385,7 +7422,7 @@ if test "${with_tkconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tk configuration""... $ac_c" 1>&6
-echo "configure:7389: checking for Tk configuration" >&5
+echo "configure:7426: checking for Tk configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tkconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7494,7 +7531,7 @@ fi
 
 no_tcl=true
 echo $ac_n "checking for Tcl private headers. dir=${configdir}""... $ac_c" 1>&6
-echo "configure:7498: checking for Tcl private headers. dir=${configdir}" >&5
+echo "configure:7535: checking for Tcl private headers. dir=${configdir}" >&5
 # Check whether --with-tclinclude or --without-tclinclude was given.
 if test "${with_tclinclude+set}" = set; then
   withval="$with_tclinclude"
@@ -7560,17 +7597,17 @@ fi
 if test x"${ac_cv_c_tclh}" = x ; then
    ac_safe=`echo "tclInt.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tclInt.h""... $ac_c" 1>&6
-echo "configure:7564: checking for tclInt.h" >&5
+echo "configure:7601: checking for tclInt.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7569 "configure"
+#line 7606 "configure"
 #include "confdefs.h"
 #include <tclInt.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7574: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7611: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7630,7 +7667,7 @@ fi
 #
 no_tk=true
 echo $ac_n "checking for Tk private headers""... $ac_c" 1>&6
-echo "configure:7634: checking for Tk private headers" >&5
+echo "configure:7671: checking for Tk private headers" >&5
 # Check whether --with-tkinclude or --without-tkinclude was given.
 if test "${with_tkinclude+set}" = set; then
   withval="$with_tkinclude"
@@ -7696,17 +7733,17 @@ fi
 if test x"${ac_cv_c_tkh}" = x ; then
    ac_safe=`echo "tk.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tk.h""... $ac_c" 1>&6
-echo "configure:7700: checking for tk.h" >&5
+echo "configure:7737: checking for tk.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7705 "configure"
+#line 7742 "configure"
 #include "confdefs.h"
 #include <tk.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7710: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7747: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7752,7 +7789,7 @@ fi
 
           
 echo $ac_n "checking for Itcl private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:7756: checking for Itcl private headers. srcdir=${srcdir}" >&5
+echo "configure:7793: checking for Itcl private headers. srcdir=${srcdir}" >&5
 if test x"${ac_cv_c_itclh}" = x ; then
   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itcl; do
     if test -f $i/generic/itcl.h ; then
@@ -7775,7 +7812,7 @@ fi
 
           
 echo $ac_n "checking for Itk private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:7779: checking for Itk private headers. srcdir=${srcdir}" >&5
+echo "configure:7816: checking for Itk private headers. srcdir=${srcdir}" >&5
 if test x"${ac_cv_c_itkh}" = x ; then
   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itk; do
     if test -f $i/generic/itk.h ; then
@@ -7798,7 +7835,7 @@ fi
 
           
 echo $ac_n "checking for Tix private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:7802: checking for Tix private headers. srcdir=${srcdir}" >&5
+echo "configure:7839: checking for Tix private headers. srcdir=${srcdir}" >&5
 if test x"${ac_cv_c_tixh}" = x ; then
   for i in ${srcdir}/../tix ${srcdir}/../../tix ${srcdir}/../../../tix ; do
     if test -f $i/generic/tix.h ; then
@@ -7850,7 +7887,7 @@ if test "${with_itclconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Itcl configuration""... $ac_c" 1>&6
-echo "configure:7854: checking for Itcl configuration" >&5
+echo "configure:7891: checking for Itcl configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_itclconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7953,7 +7990,7 @@ if test "${with_itkconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Itk configuration""... $ac_c" 1>&6
-echo "configure:7957: checking for Itk configuration" >&5
+echo "configure:7994: checking for Itk configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_itkconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8056,7 +8093,7 @@ if test "${with_tixconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tix configuration""... $ac_c" 1>&6
-echo "configure:8060: checking for Tix configuration" >&5
+echo "configure:8097: checking for Tix configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tixconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8202,7 +8239,7 @@ fi
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:8206: checking for X" >&5
+echo "configure:8243: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -8264,12 +8301,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 8268 "configure"
+#line 8305 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8273: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8310: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8338,14 +8375,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8342 "configure"
+#line 8379 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:8349: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8386: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -8637,7 +8674,7 @@ fi
 # ``gdbserver'' can only be built in a native configuration.
 if test x"${target}" = x"${host}"; then
     echo $ac_n "checking whether gdbserver is supported on this host""... $ac_c" 1>&6
-echo "configure:8641: checking whether gdbserver is supported on this host" >&5
+echo "configure:8678: checking whether gdbserver is supported on this host" >&5
     if test x"${build_gdbserver}" = xyes ; then
        configdirs="${configdirs} gdbserver"
        SUBDIRS="${SUBDIRS} gdbserver"
@@ -8699,7 +8736,7 @@ fi
 
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:8703: checking whether ln -s works" >&5
+echo "configure:8740: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8723,12 +8760,12 @@ fi
 
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:8727: checking for Cygwin environment" >&5
+echo "configure:8764: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8732 "configure"
+#line 8769 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -8739,7 +8776,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:8743: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8780: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -8756,19 +8793,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:8760: checking for mingw32 environment" >&5
+echo "configure:8797: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8765 "configure"
+#line 8802 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:8772: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8809: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -8787,7 +8824,7 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes
 
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:8791: checking for executable suffix" >&5
+echo "configure:8828: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8797,7 +8834,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:8801: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:8838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
@@ -8839,7 +8876,7 @@ fi
 
 
   echo $ac_n "checking for iconv""... $ac_c" 1>&6
-echo "configure:8843: checking for iconv" >&5
+echo "configure:8880: checking for iconv" >&5
 if eval "test \"`echo '$''{'am_cv_func_iconv'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8847,7 +8884,7 @@ else
     am_cv_func_iconv="no, consider installing GNU libiconv"
     am_cv_lib_iconv=no
     cat > conftest.$ac_ext <<EOF
-#line 8851 "configure"
+#line 8888 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <iconv.h>
@@ -8857,7 +8894,7 @@ iconv_t cd = iconv_open("","");
        iconv_close(cd);
 ; return 0; }
 EOF
-if { (eval echo configure:8861: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8898: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   am_cv_func_iconv=yes
 else
@@ -8869,7 +8906,7 @@ rm -f conftest*
       am_save_LIBS="$LIBS"
       LIBS="$LIBS -liconv"
       cat > conftest.$ac_ext <<EOF
-#line 8873 "configure"
+#line 8910 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <iconv.h>
@@ -8879,7 +8916,7 @@ iconv_t cd = iconv_open("","");
          iconv_close(cd);
 ; return 0; }
 EOF
-if { (eval echo configure:8883: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8920: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   am_cv_lib_iconv=yes
         am_cv_func_iconv=yes
@@ -8900,13 +8937,13 @@ echo "$ac_t""$am_cv_func_iconv" 1>&6
 EOF
 
     echo $ac_n "checking for iconv declaration""... $ac_c" 1>&6
-echo "configure:8904: checking for iconv declaration" >&5
+echo "configure:8941: checking for iconv declaration" >&5
     if eval "test \"`echo '$''{'am_cv_proto_iconv'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 8910 "configure"
+#line 8947 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -8925,7 +8962,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:8929: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8966: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   am_cv_proto_iconv_arg1=""
 else

diff --git a/gdb/configure.in b/gdb/configure.in
index 8628e80..4c2e063 100644 (file)
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -600,6 +600,23 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
    AC_SUBST(CONFIG_LDFLAGS)
 fi
 
+dnl See if we have a thread_db header file that has TD_NOTALLOC.
+if test "x$ac_cv_header_thread_db_h" = "xyes"; then
+   AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
+                  gdb_cv_thread_db_h_has_td_notalloc,
+     AC_TRY_COMPILE(
+       [#include <thread_db.h>],
+       [int i = TD_NOTALLOC;],
+       gdb_cv_thread_db_h_has_td_notalloc=yes,
+       gdb_cv_thread_db_h_has_td_notalloc=no
+     )
+   )
+fi
+if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
+  AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
+            [Define if <thread_db.h> has the TD_NOTALLOC error code.])
+fi
+
 dnl The CLI cannot be disabled yet, but may be in the future  
 
 dnl Handle CLI sub-directory configury.

diff --git a/gdb/findvar.c b/gdb/findvar.c
index dd3061b..9eff168 100644 (file)
--- a/gdb/findvar.c
+++ b/gdb/findvar.c
@@ -544,11 +544,6 @@ addresses have not been bound by the dynamic loader. Try again when executable i
 
     case LOC_THREAD_LOCAL_STATIC:
       {
-#if 0
-       /* FIXME: ezannoni 2002-10-21: Temporarly disable the code
-           below, until the rest of the TLS support code is checked
-           in.  */
-
         /* We want to let the target / ABI-specific code construct
            this value for us, so we need to dispose of the value
            allocated for us above.  */
@@ -560,7 +555,6 @@ addresses have not been bound by the dynamic loader. Try again when executable i
            finding TLS is an ABI-specific thing.  But we don't do that
            yet.  */
         else
-#endif
           error ("Cannot find thread-local variables on this target");
         break;
       }

diff --git a/gdb/gdb_thread_db.h b/gdb/gdb_thread_db.h
index 8088da0..c47c424 100644 (file)
--- a/gdb/gdb_thread_db.h
+++ b/gdb/gdb_thread_db.h
@@ -63,7 +63,8 @@ typedef enum
   TD_NOTSD,      /* No thread-specific data available.  */
   TD_MALLOC,     /* Out of memory.  */
   TD_PARTIALREG,  /* Not entire register set was read or written.  */
-  TD_NOXREGS     /* X register set not available for given thread.  */
+  TD_NOXREGS,    /* X register set not available for given thread.  */
+  TD_NOTALLOC    /* TLS memory not yet allocated.  */
 } td_err_e;
 
 

diff --git a/gdb/target.c b/gdb/target.c
index c7a2acf..51ace74 100644 (file)
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -666,6 +666,7 @@ update_current_target (void)
       INHERIT (to_async_mask_value, t);
       INHERIT (to_find_memory_regions, t);
       INHERIT (to_make_corefile_notes, t);
+      INHERIT (to_get_thread_local_address, t);
       INHERIT (to_magic, t);
 
 #undef INHERIT

diff --git a/gdb/target.h b/gdb/target.h
index 18b95b0..5cdb76f 100644 (file)
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -328,6 +328,16 @@ struct target_ops
                                            void *), 
                                   void *);
     char * (*to_make_corefile_notes) (bfd *, int *);
+
+    /* Return the thread-local address at OFFSET in the
+       thread-local storage for the thread PTID and the shared library
+       or executable file given by OBJFILE.  If that block of
+       thread-local storage hasn't been allocated yet, this function
+       may return an error.  */
+    CORE_ADDR (*to_get_thread_local_address) (ptid_t ptid,
+                                             struct objfile *objfile,
+                                             CORE_ADDR offset);
+
     int to_magic;
     /* Need sub-structure for target machine related rather than comm related?
      */
@@ -1039,6 +1049,12 @@ extern void (*target_new_objfile_hook) (struct objfile *);
 #define target_make_corefile_notes(BFD, SIZE_P) \
      (current_target.to_make_corefile_notes) (BFD, SIZE_P)
 
+/* Thread-local values.  */
+#define target_get_thread_local_address \
+    (current_target.to_get_thread_local_address)
+#define target_get_thread_local_address_p() \
+    (target_get_thread_local_address != NULL)
+
 /* Hook to call target-dependent code after reading in a new symbol table.  */
 
 #ifndef TARGET_SYMFILE_POSTREAD

diff --git a/gdb/thread-db.c b/gdb/thread-db.c
index 34b5c55..9338c57 100644 (file)
--- a/gdb/thread-db.c
+++ b/gdb/thread-db.c
@@ -32,6 +32,7 @@
 #include "objfiles.h"
 #include "target.h"
 #include "regcache.h"
+#include "solib-svr4.h"
 
 #ifndef LIBTHREAD_DB_SO
 #define LIBTHREAD_DB_SO "libthread_db.so.1"
@@ -108,6 +109,11 @@ static td_err_e (*td_thr_setgregs_p) (const td_thrhandle_t *th,
                                      prgregset_t gregs);
 static td_err_e (*td_thr_event_enable_p) (const td_thrhandle_t *th, int event);
 
+static td_err_e (*td_thr_tls_get_addr_p) (const td_thrhandle_t *th,
+                                          void *map_address,
+                                          size_t offset,
+                                          void **address);
+
 /* Location of the thread creation event breakpoint.  The code at this
    location in the child process will be called by the pthread library
    whenever a new thread is created.  By setting a special breakpoint
@@ -348,6 +354,7 @@ thread_db_load (void)
   td_ta_set_event_p = dlsym (handle, "td_ta_set_event");
   td_ta_event_getmsg_p = dlsym (handle, "td_ta_event_getmsg");
   td_thr_event_enable_p = dlsym (handle, "td_thr_event_enable");
+  td_thr_tls_get_addr_p = dlsym (handle, "td_thr_tls_get_addr");
 
   return 1;
 }
@@ -1003,6 +1010,97 @@ thread_db_pid_to_str (ptid_t ptid)
   return normal_pid_to_str (ptid);
 }
 
+/* Get the address of the thread local variable in OBJFILE which is
+   stored at OFFSET within the thread local storage for thread PTID.  */
+
+static CORE_ADDR
+thread_db_get_thread_local_address (ptid_t ptid, struct objfile *objfile,
+                                    CORE_ADDR offset)
+{
+  if (is_thread (ptid))
+    {
+      int objfile_is_library = (objfile->flags & OBJF_SHARED);
+      td_err_e err;
+      td_thrhandle_t th;
+      void *address;
+      CORE_ADDR lm;
+
+      /* glibc doesn't provide the needed interface.  */
+      if (! td_thr_tls_get_addr_p)
+        error ("Cannot find thread-local variables in this thread library.");
+
+      /* Get the address of the link map for this objfile.  */
+      lm = svr4_fetch_objfile_link_map (objfile);
+
+      /* Whoops, we couldn't find one. Bail out.  */
+      if (!lm)
+        {
+          if (objfile_is_library)
+            error ("Cannot find shared library `%s' link_map in dynamic"
+                  " linker's module list", objfile->name);
+         else
+            error ("Cannot find executable file `%s' link_map in dynamic"
+                  " linker's module list", objfile->name);
+       }
+
+      /* Get info about the thread.  */
+      err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
+      if (err != TD_OK)
+       error ("Cannot find thread %ld: %s",
+              (long) GET_THREAD (ptid), thread_db_err_str (err));
+      
+      /* Finally, get the address of the variable.  */
+      err = td_thr_tls_get_addr_p (&th, (void *) lm, offset, &address);
+
+#ifdef THREAD_DB_HAS_TD_NOTALLOC
+      /* The memory hasn't been allocated, yet.  */
+      if (err == TD_NOTALLOC)
+        {
+          /* Now, if libthread_db provided the initialization image's
+             address, we *could* try to build a non-lvalue value from
+             the initialization image.  */
+          if (objfile_is_library)
+            error ("The inferior has not yet allocated storage for"
+                   " thread-local variables in\n"
+                   "the shared library `%s'\n"
+                   "for the thread %ld",
+                  objfile->name, (long) GET_THREAD (ptid));
+          else
+            error ("The inferior has not yet allocated storage for"
+                   " thread-local variables in\n"
+                   "the executable `%s'\n"
+                   "for the thread %ld",
+                  objfile->name, (long) GET_THREAD (ptid));
+       }
+#endif
+
+      /* Something else went wrong.  */
+      if (err != TD_OK)
+       {
+         if (objfile_is_library)
+           error ("Cannot find thread-local storage for thread %ld, "
+                  "shared library %s:\n%s",
+                  (long) GET_THREAD (ptid),
+                  objfile->name,
+                  thread_db_err_str (err));
+         else
+           error ("Cannot find thread-local storage for thread %ld, "
+                  "executable file %s:\n%s",
+                  (long) GET_THREAD (ptid),
+                  objfile->name,
+                  thread_db_err_str (err));
+       }
+
+      /* Cast assuming host == target.  Joy.  */
+      return (CORE_ADDR) address;
+    }
+
+  if (target_beneath->to_get_thread_local_address)
+    return target_beneath->to_get_thread_local_address (ptid, objfile, offset);
+
+  error ("Cannot find thread-local values on this target.");
+}
+
 static void
 init_thread_db_ops (void)
 {
@@ -1025,6 +1123,8 @@ init_thread_db_ops (void)
   thread_db_ops.to_pid_to_str = thread_db_pid_to_str;
   thread_db_ops.to_stratum = thread_stratum;
   thread_db_ops.to_has_thread_control = tc_schedlock;
+  thread_db_ops.to_get_thread_local_address
+    = thread_db_get_thread_local_address;
   thread_db_ops.to_magic = OPS_MAGIC;
 }