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* frame.h (frame_unwind_caller_pc_if_available): Declare.
	* frame.c (frame_unwind_caller_pc_if_available): New.
	* stack.c (frame_info): Handle unavailable PC.
This commit is contained in:
Pedro Alves 2011-03-18 18:45:30 +00:00
parent e3eebbd742
commit 008f8f2ee9
4 changed files with 36 additions and 7 deletions
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8
gdb/frame.h
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@ -562,6 +562,14 @@ extern void put_frame_register_bytes (struct frame_info *frame, int regnum,
extern CORE_ADDR frame_unwind_caller_pc (struct frame_info *frame);
/* Same as frame_unwind_caller_pc, but returns a boolean indication of
whether the caller PC is determinable (when the PC is unavailable,
it will not be), instead of possibly throwing an error trying to
read unavailable memory or registers. */
extern int frame_unwind_caller_pc_if_available (struct frame_info *this_frame,
CORE_ADDR *pc);
/* Discard the specified frame. Restoring the registers to the state
of the caller. */
extern void frame_pop (struct frame_info *frame);