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uwx_step(3X)							  uwx_step(3X)

NAME
       uwx_step() - step one frame

SYNOPSIS

DESCRIPTION
       is  part	 of  the  Unwind  Express  Library  for Integrity systems; see
       uwx(3X).	 steps back one frame from the current context and updates the
       context	to  reflect  the  state	 of the new frame.  The return pointer
       becomes the new IP (instruction pointer), the  previous	stack  pointer
       becomes the new stack pointer, the backing store pointer is adjusted to
       point to the previous  frame's  registers,  the	previous  frame	 state
       becomes	the  new current frame marker, and all preserved registers are
       updated with the values they had in that frame.	(If has been  used  to
       disable	floating-point register tracking, the preserved floating-point
       registers will not be updated.)

   Parameters
       env	      A pointer to an unwind environment object.

RETURN VALUE
       returns on success.  If the current frame is at the bottom of the  call
       stack, it returns and the current context is unchanged.	If the current
       frame is a signal frame (or some other ABI-dependent context frame), it
       returns	and  the current context is unchanged.	All other status codes
       indicate errors; see uwx(3X) for error codes.

AUTHOR
       The Unwind Express Library was developed by Hewlett-Packard.

SEE ALSO
       uwx(3X),	 uwx_add_to_bsp(3X),  uwx_find_source_info(3X),	 uwx_find_sym‐
       bol(3X),	  uwx_free(3X),	  uwx_get_abi_context_code(3X),	 uwx_get_func‐
       start(3X), uwx_get_module_info(3X),  uwx_get_nat(3X),  uwx_get_reg(3X),
       uwx_get_source_info(3X),	      uwx_get_sym_info(3X),	 uwx_init(3X),
       uwx_init_context(3X),   uwx_register_alloc_cb(3X),   uwx_register_call‐
       backs(3X), uwx_release_symbol_cache(3X), uwx_self_do_context_frame(3X),
       uwx_self_free_info(3X),			    uwx_self_init_context(3X),
       uwx_self_init_info(3X),	    uwx_set_nofr(3X),	   uwx_set_remote(3X),
       uwx_step_inline(3X).

			    Integrity Systems Only		  uwx_step(3X)

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