From 22c05d8adc1cde13d7f7b8311604d77f64819d8c Mon Sep 17 00:00:00 2001 From: Jan Kratochvil Date: Thu, 13 Oct 2011 16:26:28 +0000 Subject: gdb/ 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. --- gdb/value.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'gdb/value.c') diff --git a/gdb/value.c b/gdb/value.c index e72670b..d263d0c 100644 --- a/gdb/value.c +++ b/gdb/value.c @@ -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; -- cgit v1.1