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authorUlrich Weigand <uweigand@de.ibm.com>2009-09-28 09:16:15 +0000
committerUlrich Weigand <uweigand@de.ibm.com>2009-09-28 09:16:15 +0000
commit2d88202ad431b7c4c15b89fe5fe6c12355f97842 (patch)
tree9c5080ad19f34bcb1462502d23b30703425fec83 /gdb
parent5ccff776548cee4d5a33e861bd453809c760213c (diff)
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* valops.c (value_assign): Respect parent offset when
assigning to a bitfield.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/valops.c16
2 files changed, 14 insertions, 7 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f687669..defd90e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2009-09-28 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * valops.c (value_assign): Respect parent offset when
+ assigning to a bitfield.
+
2009-09-28 Hui Zhu <teawater@gmail.com>
* i386-tdep.c (i386_process_record): Remove "0x" that
diff --git a/gdb/valops.c b/gdb/valops.c
index b64cb21..012ea6a 100644
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -827,6 +827,9 @@ value_assign (struct value *toval, struct value *fromval)
if (value_bitsize (toval))
{
+ struct value *parent = value_parent (toval);
+ changed_addr = value_address (parent) + value_offset (toval);
+
changed_len = (value_bitpos (toval)
+ value_bitsize (toval)
+ HOST_CHAR_BIT - 1)
@@ -838,17 +841,16 @@ value_assign (struct value *toval, struct value *fromval)
registers. */
if (changed_len < TYPE_LENGTH (type)
&& TYPE_LENGTH (type) <= (int) sizeof (LONGEST)
- && ((LONGEST) value_address (toval) % TYPE_LENGTH (type)) == 0)
+ && ((LONGEST) changed_addr % TYPE_LENGTH (type)) == 0)
changed_len = TYPE_LENGTH (type);
if (changed_len > (int) sizeof (LONGEST))
error (_("Can't handle bitfields which don't fit in a %d bit word."),
(int) sizeof (LONGEST) * HOST_CHAR_BIT);
- read_memory (value_address (toval), buffer, changed_len);
+ read_memory (changed_addr, buffer, changed_len);
modify_field (type, buffer, value_as_long (fromval),
value_bitpos (toval), value_bitsize (toval));
- changed_addr = value_address (toval);
dest_buffer = buffer;
}
else
@@ -891,6 +893,8 @@ value_assign (struct value *toval, struct value *fromval)
{
if (value_bitsize (toval))
{
+ struct value *parent = value_parent (toval);
+ int offset = value_offset (parent) + value_offset (toval);
int changed_len;
gdb_byte buffer[sizeof (LONGEST)];
@@ -903,15 +907,13 @@ value_assign (struct value *toval, struct value *fromval)
error (_("Can't handle bitfields which don't fit in a %d bit word."),
(int) sizeof (LONGEST) * HOST_CHAR_BIT);
- get_frame_register_bytes (frame, value_reg,
- value_offset (toval),
+ get_frame_register_bytes (frame, value_reg, offset,
changed_len, buffer);
modify_field (type, buffer, value_as_long (fromval),
value_bitpos (toval), value_bitsize (toval));
- put_frame_register_bytes (frame, value_reg,
- value_offset (toval),
+ put_frame_register_bytes (frame, value_reg, offset,
changed_len, buffer);
}
else