Merge GDB 7.5.1

gdb/testsuite/gdb.base/jit-simple.exp

+# Copyright 2012 Free Software Foundation, Inc.
+
+# 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/>.
+
+if {[skip_shlib_tests]} {
+    untested jit-simple.exp
+    return -1
+}
+
+if {[get_compiler_info]} {
+    warning "Could not get compiler info"
+    untested jit-simple.exp
+    return 1
+}
+
+#
+# test running programs
+#
+
+set testfile jit-simple
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    untested jit-simple.exp
+    return -1
+}
+
+# A helper for jit_test_reread that invokes gdb_run_cmd.
+proc jit_run {msg} {
+    global decimal gdb_prompt
+
+    gdb_run_cmd
+    gdb_expect {
+        -re "Inferior .* exited.*$gdb_prompt $" {
+            pass $msg
+        }
+        -re ".*$gdb_prompt $" {
+            fail $msg
+        }
+    }
+}
+
+# Test re-running an inferior with a JIT descriptor, where the JIT
+# descriptor changes address between runs.
+# http://sourceware.org/bugzilla/show_bug.cgi?id=13431
+proc jit_test_reread {} {
+    global testfile binfile subdir srcfile srcdir
+
+    clean_restart $testfile
+
+    # jit_run "initial run"
+    runto_main
+
+    gdb_test "print &__jit_debug_descriptor" "= .*" "blah 1"
+
+    gdb_rename_execfile $binfile ${binfile}x
+
+    if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DSPACER}] != "" } {
+        fail "recompile $srcfile"
+    } else {
+        pass "recompile $srcfile"
+
+        # jit_run "second run"
+
+        runto_main
+        gdb_test "print &__jit_debug_descriptor" "= .*" "blah 1"
+    }
+}
+
+jit_test_reread