NetBSD/gnu/dist/gcc/config/pa/lib2funcs.asm

75 lines
2.5 KiB
NASM

; 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 Free Software Foundation, Inc.
; This file is part of GNU CC.
; GNU CC 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 2, or (at your option)
; any later version.
; GNU CC 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.
; In addition to the permissions in the GNU General Public License, the
; Free Software Foundation gives you unlimited permission to link the
; compiled version of this file with other programs, and to distribute
; those programs without any restriction coming from the use of this
; file. (The General Public License restrictions do apply in other
; respects; for example, they cover modification of the file, and
; distribution when not linked into another program.)
; You should have received a copy of the GNU General Public License
; along with GNU CC; see the file COPYING. If not, write to
; the Free Software Foundation, 59 Temple Place - Suite 330,
; Boston, MA 02111-1307, USA.
.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
.IMPORT $$dyncall,MILLICODE
; gcc_compiled.:
.SPACE $TEXT$
.SUBSPA $CODE$
; 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(0,%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(0,%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