On Thu, Jun 05, 2014 at 02:52:31PM -0600, Jeff Law wrote:
> >+@defmac INCOMING_REG_PARM_STACK_SPACE (@var{fndecl})
> >+Like @code{REG_PARM_STACK_SPACE}, but for incoming register arguments.
> >+Define this macro if space guaranteed when compiling a function body
> >+is different to space required w
On 05/29/14 00:55, Alan Modra wrote:
One of the nice features of the ELFv2 ABI is that stack frames are
smaller compared to ELFv1. We don't allocate a parameter save area
unless we actually use it. However, for variable argument lists, we
kept the simple va_list type which is a pointer to the m
One of the nice features of the ELFv2 ABI is that stack frames are
smaller compared to ELFv1. We don't allocate a parameter save area
unless we actually use it. However, for variable argument lists, we
kept the simple va_list type which is a pointer to the memory location
of the next parameter.