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2003-01-19 Andrew Cagney <ac131313@redhat.com>

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* frame-unwind.h (frame_unwind_pop_ftype): Declare.
	(struct frame_unwind): Add field pop.
	* frame.h (frame_pop): Declare.
	* frame.c (frame_saved_regs_pop): New function.
	(trad_frame_unwinder): Add frame_saved_regs_pop.
	(frame_pop): New function.
	* dummy-frame.c (dummy_frame_pop): New function.
	(discard_innermost_dummy): New function.
	(generic_pop_dummy_frame): Use discard_innermost_dummy.
	(dummy_frame_unwind): Add dummy_frame_pop.
	* infrun.c (normal_stop): Call frame_pop instead of POP_FRAME.
	* valops.c (hand_function_call): Ditto.
	* stack.c (return_command): Ditto.
This commit is contained in:
Andrew Cagney
2003-01-19 17:39:16 +00:00
parent b4fc4eff63
commit dbe9fe588f
8 changed files with 118 additions and 14 deletions
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15
gdb/frame-unwind.h
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@ -82,12 +82,27 @@ typedef void (frame_unwind_id_ftype) (struct frame_info * frame,
void **unwind_cache,
struct frame_id * id);
/* Discard the frame by restoring the registers (in regcache) back to
that of the caller. */
/* NOTE: cagney/2003-01-19: While at present the callers all pop each
frame in turn, the implementor should try to code things so that
any frame can be popped directly. */
/* FIXME: cagney/2003-01-19: Since both FRAME and REGCACHE refer to a
common register cache, care must be taken when restoring the
registers. The `correct fix' is to first first save the registers
in a scratch cache, and second write that scratch cache back to to
the real register cache. */
typedef void (frame_unwind_pop_ftype) (struct frame_info *frame,
void **unwind_cache,
struct regcache *regcache);
struct frame_unwind
{
/* Should the frame's type go here? */
/* Should an attribute indicating the frame's address-in-block go
here? */
frame_unwind_pop_ftype *pop;
frame_unwind_pc_ftype *pc;
frame_unwind_id_ftype *id;
frame_unwind_reg_ftype *reg;