Subversion Repositories openrisc_2011-10-31

;  Subroutines for calling unbound dynamic functions from within GDB for HPPA.
;  Subroutines for out of line prologues and epilogues on for the HPPA
;  Copyright (C) 1994, 1995, 1996, 2009 Free Software Foundation, Inc.

;  This file is part of GCC.

;  GCC is free software; you can redistribute it and/or modify
;  it under the terms of the GNU General Public License as published by
;  the Free Software Foundation; either version 3, or (at your option)
;  any later version.

;  GCC is distributed in the hope that it will be useful,
;  but WITHOUT ANY WARRANTY; without even the implied warranty of
;  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;  GNU General Public License for more details.

;  Under Section 7 of GPL version 3, you are granted additional
;  permissions described in the GCC Runtime Library Exception, version
;  3.1, as published by the Free Software Foundation.

;  You should have received a copy of the GNU General Public License and
;  a copy of the GCC Runtime Library Exception along with this program;
;  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
;  <http://www.gnu.org/licenses/>.

#if !defined(__pro__) && !defined(__rtems__)
        .SPACE $PRIVATE$
        .SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31
        .SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82
        .SPACE $TEXT$
        .SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44
        .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY
        .SUBSPA $MILLICODE$,QUAD=0,ALIGN=8,ACCESS=44,SORT=8
#endif
        .IMPORT $$dyncall,MILLICODE
#if !defined(__pro__) && !defined(__rtems__)
        .SPACE $TEXT$
        .SUBSPA $CODE$
#else
        .text
#endif

; Simply call with the address of the desired import stub in %r22 and
; arguments in the normal place (%r26-%r23 and stack slots).
;
        .align 4
        .EXPORT __gcc_plt_call,ENTRY,PRIV_LEV=3,RTNVAL=GR
__gcc_plt_call
        .PROC
        .CALLINFO
        .ENTRY
        ; Our return address comes in %r31, not %r2!
        stw %r31,-8(%r30)

        ; An inline version of dyncall so we don't have to worry
        ; about long calls to millicode, PIC and other complexities.
        bb,>=,n %r22,30,L$foo
        depi 0,31,2,%r22
        ldw 4(%r22),%r19
        ldw 0(%r22),%r22
L$foo
        ldsid (%r22),%r1
        mtsp %r1,%sr0
        ble 0(%sr0,%r22)
        copy %r31,%r2
        ldw -8(%r30),%r2

        ; We're going to be returning to a stack address, so we
        ; need to do an intra-space return.
        ldsid (%rp),%r1
        mtsp %r1,%sr0
        be,n 0(%sr0,%rp)
        .EXIT
        .PROCEND