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Make "set debug frame 1" output print <not saved> instead of <optimized out>.

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"set debug frame 1" is printing "<optimized out>" for not saved
registers.  That's because the unwinders are returning optimized out
not_lval values instead of optimized out lval_register values.  "<not
saved>" is how val_print_optimized_out prints lval_register values.

  ...
  - { frame_unwind_register_value (frame=0,regnum=7(rsp),...) -> <optimized out> }
  + { frame_unwind_register_value (frame=0,regnum=7(rsp),...) -> <not saved> }
  ...

Tested on x86_64 Fedora 17.

2013-11-27  Pedro Alves  <palves@redhat.com>

	* frame-unwind.c (frame_unwind_got_optimized): Return
	an lval_register value instead of a not_lval value.
This commit is contained in:
Pedro Alves
2013-11-27 17:49:59 +00:00
parent f6c01fc515
commit 6bd273ae45
2 changed files with 10 additions and 3 deletions
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8
gdb/frame-unwind.c
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@ -161,10 +161,12 @@ default_frame_unwind_stop_reason (struct frame_info *this_frame,
struct value *
frame_unwind_got_optimized (struct frame_info *frame, int regnum)
{
struct gdbarch *gdbarch = frame_unwind_arch (frame);
struct type *reg_type = register_type (gdbarch, regnum);
struct value *val;
return allocate_optimized_out_value (reg_type);
val = value_of_register_lazy (frame, regnum);
set_value_lazy (val, 0);
set_value_optimized_out (val, 1);
return val;
}
/* Return a value which indicates that FRAME copied REGNUM into