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-rw-r--r--gdb/ChangeLog8
-rw-r--r--gdb/config.in3
-rwxr-xr-xgdb/configure63
-rw-r--r--gdb/configure.ac10
-rw-r--r--gdb/maint.c6
5 files changed, 87 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index cd8491b..c8486c5 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2007-09-19 Joel Brobecker <brobecker@adacore.com>
+
+ * configure.ac: Add check for "etext".
+ * configure, config.in: Regenerate.
+ * maint.c (TEXTEND): Only define if either _etext or etext
+ are available.
+ Disable the profiling functionality if TEXTEND is not defined.
+
2007-09-19 Daniel Jacobowitz <dan@codesourcery.com>
* mips-tdep.c (mips_stub_frame_cache): Correct the saved return
diff --git a/gdb/config.in b/gdb/config.in
index 1534afe..f58b70a 100644
--- a/gdb/config.in
+++ b/gdb/config.in
@@ -113,6 +113,9 @@
/* Define if ELF support should be included. */
#undef HAVE_ELF
+/* Define to 1 if your system has the etext variable. */
+#undef HAVE_ETEXT
+
/* Define to 1 if you have the `fork' function. */
#undef HAVE_FORK
diff --git a/gdb/configure b/gdb/configure
index 7b90943..1dd4fb4 100755
--- a/gdb/configure
+++ b/gdb/configure
@@ -4278,6 +4278,69 @@ cat >>confdefs.h <<\_ACEOF
_ACEOF
fi
+echo "$as_me:$LINENO: checking for etext" >&5
+echo $ECHO_N "checking for etext... $ECHO_C" >&6
+if test "${ac_cv_var_etext+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+extern char etext;
+
+int
+main ()
+{
+free (&etext);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_var_etext=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_var_etext=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_var_etext" >&5
+echo "${ECHO_T}$ac_cv_var_etext" >&6
+if test $ac_cv_var_etext = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ETEXT 1
+_ACEOF
+
+fi
if test "$enable_profiling" = yes ; then
if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
{ { echo "$as_me:$LINENO: error: --enable-profiling requires monstartup and _mcleanup" >&5
diff --git a/gdb/configure.ac b/gdb/configure.ac
index 6a150aa..eea0bc2 100644
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -242,6 +242,16 @@ if test $ac_cv_var__etext = yes; then
AC_DEFINE(HAVE__ETEXT, 1,
[Define to 1 if your system has the _etext variable. ])
fi
+AC_CACHE_CHECK([for etext], ac_cv_var_etext,
+[AC_TRY_LINK(
+[#include <stdlib.h>
+extern char etext;
+],
+[free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
+if test $ac_cv_var_etext = yes; then
+ AC_DEFINE(HAVE_ETEXT, 1,
+ [Define to 1 if your system has the etext variable. ])
+fi
if test "$enable_profiling" = yes ; then
if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
diff --git a/gdb/maint.c b/gdb/maint.c
index 2f431fd..5f3338e 100644
--- a/gdb/maint.c
+++ b/gdb/maint.c
@@ -638,16 +638,16 @@ show_maintenance_profile_p (struct ui_file *file, int from_tty,
fprintf_filtered (file, _("Internal profiling is %s.\n"), value);
}
-#if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP)
-
#ifdef HAVE__ETEXT
extern char _etext;
#define TEXTEND &_etext
-#else
+#elif defined (HAVE_ETEXT)
extern char etext;
#define TEXTEND &etext
#endif
+#if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP) && defined (TEXTEND)
+
static int profiling_state;
static void