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Fix internal error regression.
	* value.c (value_primitive_field): Handle value_optimized_out.  Move
	packed bitfields comment.

gdb/testsuite/
	Fix internal error regression.
	* gdb.dwarf2/implptr-optimized-out.S: New file.
	* gdb.dwarf2/implptr-optimized-out.exp: New file.
This commit is contained in:
Jan Kratochvil
2011-10-13 16:26:28 +00:00
parent 9cf03b7e41
commit 22c05d8adc
5 changed files with 222 additions and 4 deletions
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11
gdb/value.c
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@@ -2488,16 +2488,19 @@ value_primitive_field (struct value *arg1, int offset,
description correctly. */
check_typedef (type);
/* Handle packed fields */
if (TYPE_FIELD_BITSIZE (arg_type, fieldno))
if (value_optimized_out (arg1))
v = allocate_optimized_out_value (type);
else if (TYPE_FIELD_BITSIZE (arg_type, fieldno))
{
/* Create a new value for the bitfield, with bitpos and bitsize
/* Handle packed fields.
Create a new value for the bitfield, with bitpos and bitsize
set. If possible, arrange offset and bitpos so that we can
do a single aligned read of the size of the containing type.
Otherwise, adjust offset to the byte containing the first
bit. Assume that the address, offset, and embedded offset
are sufficiently aligned. */
int bitpos = TYPE_FIELD_BITPOS (arg_type, fieldno);
int container_bitsize = TYPE_LENGTH (type) * 8;