2012-06-26 Siva Chandra Reddy <sivachandra@google.com>

        New attribute 'last' for gdb.Symtab_and_line.
        * NEWS (Python Scripting): Add entry about the new attribute.
        * python/py-symtab.c (salpy_get_last): New function which
        implements the get method for the 'last' attribute of
        gdb.Symtab_and_line.
        (sal_object_getset): Add entry for the 'last' attribute.

        doc/
        * gdb.texinfo (Symbol Tables In Python): Add description about
        the new 'last' attribute of gdb.Symtab_and line.

        testsuite/
        * gdb.python/py-symtab.exp: Add tests to test the new attribute
        'last' of gdb.Symtab_and_line.
        * gdb.python/py-symbol.c: Move break point comment to enable
        testing of gdb.Symtab_and_line.last.

8 files changed, 52 insertions, 2 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b8594e4..d69449a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,12 @@
+2012-06-26  Siva Chandra Reddy  <sivachandra@google.com>
+
+	New attribute 'last' for gdb.Symtab_and_line.
+	* NEWS (Python Scripting): Add entry about the new attribute.
+	* python/py-symtab.c (salpy_get_last): New function which
+	implements the get method for the 'last' attribute of
+	gdb.Symtab_and_line.
+	(sal_object_getset): Add entry for the 'last' attribute.
+
 2012-06-26  Doug Evans  <dje@google.com>
 
 	* dwarf2read.c (dwo_section_names): Add macinfo_dwo, macro_dwo.
diff --git a/gdb/NEWS b/gdb/NEWS
index eeecc57..b1f6775 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -60,6 +60,9 @@
   ** New function gdb.find_pc_line which returns the gdb.Symtab_and_line
      object associated with a PC value.
 
+  ** gdb.Symtab_and_line has new attribute 'last' which holds the end
+     of the address range occupied by code for the current source line.
+
 * Go language support.
   GDB now supports debugging programs written in the Go programming
   language.
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index f0bbe3e..b1ebf98 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,5 +1,10 @@
 2012-06-26  Siva Chandra Reddy  <sivachandra@google.com>
 
+	* gdb.texinfo (Symbol Tables In Python): Add description about
+	the new 'last' attribute of gdb.Symtab_and line.
+
+2012-06-26  Siva Chandra Reddy  <sivachandra@google.com>
+
 	* gdb.texinfo (Symbol Tables In Python): Correct the description
 	of the 'pc' attribute of gdb.Symtab_and_line.
 
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 80e1b9b..a2c9167 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -25276,6 +25276,11 @@ Indicates the start of the address range occupied by code for the
 current source line.  This attribute is not writable.
 @end defvar
 
+@defvar Symtab_and_line.last
+Indicates the end of the address range occupied by code for the current
+source line.  This attribute is not writable.
+@end defvar
+
 @defvar Symtab_and_line.line
 Indicates the current line number for this object.  This
 attribute is not writable.
diff --git a/gdb/python/py-symtab.c b/gdb/python/py-symtab.c
index e9e38b2..b6f45e6 100644
--- a/gdb/python/py-symtab.c
+++ b/gdb/python/py-symtab.c
@@ -237,6 +237,22 @@ salpy_get_pc (PyObject *self, void *closure)
   return gdb_py_long_from_ulongest (sal->pc);
 }
 
+/* Implementation of the get method for the 'last' attribute of
+   gdb.Symtab_and_line.  */
+
+static PyObject *
+salpy_get_last (PyObject *self, void *closure)
+{
+  struct symtab_and_line *sal = NULL;
+
+  SALPY_REQUIRE_VALID (self, sal);
+
+  if (sal->end > 0)
+    return gdb_py_long_from_ulongest (sal->end - 1);
+  else
+    Py_RETURN_NONE;
+}
+
 static PyObject *
 salpy_get_line (PyObject *self, void *closure)
 {
@@ -556,6 +572,8 @@ static PyTypeObject symtab_object_type = {
 static PyGetSetDef sal_object_getset[] = {
   { "symtab", salpy_get_symtab, NULL, "Symtab object.", NULL },
   { "pc", salpy_get_pc, NULL, "Return the symtab_and_line's pc.", NULL },
+  { "last", salpy_get_last, NULL,
+    "Return the symtab_and_line's last address.", NULL },
   { "line", salpy_get_line, NULL,
     "Return the symtab_and_line's line.", NULL },
   {NULL}  /* Sentinel */
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 23e1965..42ae689 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2012-06-26  Siva Chandra Reddy  <sivachandra@google.com>
+
+	* gdb.python/py-symtab.exp: Add tests to test the new attribute
+	'last' of gdb.Symtab_and_line.
+	* gdb.python/py-symbol.c: Move break point comment to enable
+	testing of gdb.Symtab_and_line.last.
+
 2012-06-26  Tom Tromey  <tromey@redhat.com>
 
 	* gdb.threads/step.c: Remove.
diff --git a/gdb/testsuite/gdb.python/py-symbol.c b/gdb/testsuite/gdb.python/py-symbol.c
index 8c6cdb1..82395f1 100644
--- a/gdb/testsuite/gdb.python/py-symbol.c
+++ b/gdb/testsuite/gdb.python/py-symbol.c
@@ -40,8 +40,8 @@ int qq = 72;			/* line of qq */
 int func (int arg)
 {
   int i = 2;
-  i = i * arg;
-  return arg; /* Block break here.  */
+  i = i * arg; /* Block break here.  */
+  return arg;
 }
 
 struct simple_struct
diff --git a/gdb/testsuite/gdb.python/py-symtab.exp b/gdb/testsuite/gdb.python/py-symtab.exp
index 9aef863..da0c3e4 100644
--- a/gdb/testsuite/gdb.python/py-symtab.exp
+++ b/gdb/testsuite/gdb.python/py-symtab.exp
@@ -46,10 +46,13 @@ gdb_py_test_silent_cmd "python static_block = symtab.static_block()" "Get static
 gdb_py_test_silent_cmd "python global_symbols = \[\]; static_symbols = \[\]" "Set up symbol name lists" 0
 gdb_py_test_silent_cmd "python for sym in global_block: global_symbols.append(sym.name)" "Get global symbol names" 0
 gdb_py_test_silent_cmd "python for sym in static_block: static_symbols.append(sym.name)" "Get static symbol names" 0
+gdb_py_test_silent_cmd "step" "Step to the next line" 0
+gdb_py_test_silent_cmd "python new_pc = gdb.selected_frame().find_sal().pc" "Get new PC" 0
 
 # Test sal.
 gdb_test "python print sal.symtab" ".*gdb.python/py-symbol.c.*" "Test symtab"
 gdb_test "python print sal.pc" "${decimal}" "Test sal.pc"
+gdb_test "python print sal.last == (new_pc - 1)" "True" "Test sal.last"
 gdb_test "python print sal.line" "$line_no" "Test sal.line"
 gdb_test "python print sal.is_valid()" "True" "Test sal.is_valid"