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authorPedro Alves <palves@redhat.com>2012-03-01 20:49:02 +0000
committerPedro Alves <palves@redhat.com>2012-03-01 20:49:02 +0000
commitad5f7d6ef7055f46c1734b9862bd156c355a8b3d (patch)
treefb20ff6ac3ace8b4d6d5c8e9b79bb49e1c415cb7 /gdb/frame.c
parentd3dc44a619a1f52ace35f3cccb16b6096e13b5da (diff)
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2012-03-01 Pedro Alves <palves@redhat.com>
PR gdb/13767 gdb/ * frame.c (read_frame_register_unsigned): New. * frame.h (read_frame_register_unsigned): Declare. * i387-tdep.c (print_i387_status_word): New parameter `status_p'. Handle it. (print_i387_control_word): New parameter `control_p'. Handle it. (i387_print_float_info): Handle unavailable float registers. gdb/testsuite/ * gdb.trace/unavailable.exp (gdb_unavailable_floats): New. (gdb_collect_globals_test): Call it.
Diffstat (limited to 'gdb/frame.c')
-rw-r--r--gdb/frame.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gdb/frame.c b/gdb/frame.c
index 5e51ca6..e012f2d 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -1031,6 +1031,26 @@ get_frame_register_unsigned (struct frame_info *frame, int regnum)
return frame_unwind_register_unsigned (frame->next, regnum);
}
+int
+read_frame_register_unsigned (struct frame_info *frame, int regnum,
+ ULONGEST *val)
+{
+ struct value *regval = get_frame_register_value (frame, regnum);
+
+ if (!value_optimized_out (regval)
+ && value_entirely_available (regval))
+ {
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ int size = register_size (gdbarch, VALUE_REGNUM (regval));
+
+ *val = extract_unsigned_integer (value_contents (regval), size, byte_order);
+ return 1;
+ }
+
+ return 0;
+}
+
void
put_frame_register (struct frame_info *frame, int regnum,
const gdb_byte *buf)