int
legacy_frameless_look_for_prologue (struct frame_info *frame)
{
CORE_ADDR func_start;
func_start = get_frame_func (frame);
if (func_start)
{
func_start += FUNCTION_START_OFFSET;
/* NOTE: cagney/2004-02-09: Eliminated per-architecture
PROLOGUE_FRAMELESS_P call as architectures with custom
implementations had all been deleted. Eventually even this
function can go - GDB no longer tries to differentiate
between framed, frameless and stackless functions. They are
all now considered equally evil :-^. */
/* If skipping the prologue ends up skips nothing, there must be
no prologue and hence no code creating a frame. There for
the function is "frameless" :-/. */
return func_start == SKIP_PROLOGUE (func_start);
}
else if (get_frame_pc (frame) == 0)
/* A frame with a zero PC is usually created by dereferencing a
NULL function pointer, normally causing an immediate core dump
of the inferior. Mark function as frameless, as the inferior
has no chance of setting up a stack frame. */
return 1;
else
/* If we can't find the start of the function, we don't really
know whether the function is frameless, but we should be able
to get a reasonable (i.e. best we can do under the
circumstances) backtrace by saying that it isn't. */
return 0;
}
int
generic_prologue_frameless_p (CORE_ADDR ip)
{
return ip == SKIP_PROLOGUE (ip);
}
