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* valops.c (search_struct_field): Account for
	value_embedded_offset.  Fix check for virtual base past the end of
	the object.  Use value_copy when making a slice of the value.
gdb/testsuite
	* gdb.cp/virtbase.exp: Make test case names unique.
This commit is contained in:
Tom Tromey 2010-02-04 21:04:30 +00:00
parent 6ac33a4e87
commit 1a334831c0
4 changed files with 21 additions and 17 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2010-02-04 Tom Tromey <tromey@redhat.com>
* valops.c (search_struct_field): Account for
value_embedded_offset. Fix check for virtual base past the end of
the object. Use value_copy when making a slice of the value.
2010-02-04 H.J. Lu <hongjiu.lu@intel.com>
PR tui/9622

4
gdb/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2010-02-04 Tom Tromey <tromey@redhat.com>
* gdb.cp/virtbase.exp: Make test case names unique.
2010-02-02 Tom Tromey <tromey@redhat.com>
* gdb.cp/virtbase.exp: Add regression tests.

4
gdb/testsuite/gdb.cp/virtbase.exp
View File

@ -42,13 +42,13 @@ gdb_continue_to_breakpoint "first breakpoint"
# In PR 11226, we failed to print x correctly in the "print *this"
# case.
gdb_test "print *this" " = {<mc::Base> = {x = 2}, _vptr.Middle = $hex, y = 3}"
gdb_test "print x" " = 2"
gdb_test "print x" " = 2" "print x in get_y"
gdb_breakpoint [gdb_get_line_number "breakpoint 2"]
gdb_continue_to_breakpoint "second breakpoint"
# In PR 11226, we could not find x here.
gdb_test "print x" " = 2"
gdb_test "print x" " = 2" "print x in get_z"
gdb_breakpoint [gdb_get_line_number "breakpoint 3"]
gdb_continue_to_breakpoint "third breakpoint"

24
gdb/valops.c
View File

@ -1903,7 +1903,9 @@ search_struct_field (char *name, struct value *arg1, int offset,
boffset = baseclass_offset (type, i,
value_contents (arg1) + offset,
value_address (arg1) + offset);
value_address (arg1)
+ value_embedded_offset (arg1)
+ offset);
if (boffset == -1)
error (_("virtual baseclass botch"));
@ -1911,8 +1913,9 @@ search_struct_field (char *name, struct value *arg1, int offset,
by the user program. Make sure that it still points to a
valid memory location. */
boffset += offset;
if (boffset < 0 || boffset >= TYPE_LENGTH (type))
boffset += value_embedded_offset (arg1) + offset;
if (boffset < 0
|| boffset >= TYPE_LENGTH (value_enclosing_type (arg1)))
{
CORE_ADDR base_addr;
@ -1927,18 +1930,9 @@ search_struct_field (char *name, struct value *arg1, int offset,
}
else
{
if (VALUE_LVAL (arg1) == lval_memory && value_lazy (arg1))
v2 = allocate_value_lazy (basetype);
else
{
v2 = allocate_value (basetype);
memcpy (value_contents_raw (v2),
value_contents_raw (arg1) + boffset,
TYPE_LENGTH (basetype));
}
set_value_component_location (v2, arg1);
VALUE_FRAME_ID (v2) = VALUE_FRAME_ID (arg1);
set_value_offset (v2, value_offset (arg1) + boffset);
v2 = value_copy (arg1);
deprecated_set_value_type (v2, basetype);
set_value_embedded_offset (v2, boffset);
}
if (found_baseclass)