75 lines
2.5 KiB
NASM
75 lines
2.5 KiB
NASM
; Subroutines for calling unbound dynamic functions from within GDB for HPPA.
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; Subroutines for out of line prologues and epilogues on for the HPPA
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; Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
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; This file is part of GNU CC.
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; GNU CC is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2, or (at your option)
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; any later version.
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; GNU CC is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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; In addition to the permissions in the GNU General Public License, the
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; Free Software Foundation gives you unlimited permission to link the
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; compiled version of this file with other programs, and to distribute
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; those programs without any restriction coming from the use of this
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; file. (The General Public License restrictions do apply in other
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; respects; for example, they cover modification of the file, and
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; distribution when not linked into another program.)
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; You should have received a copy of the GNU General Public License
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; along with GNU CC; see the file COPYING. If not, write to
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; the Free Software Foundation, 59 Temple Place - Suite 330,
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; Boston, MA 02111-1307, USA.
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.SPACE $PRIVATE$
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.SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31
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.SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82
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.SPACE $TEXT$
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.SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44
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.SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY
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.SUBSPA $MILLICODE$,QUAD=0,ALIGN=8,ACCESS=44,SORT=8
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.IMPORT $$dyncall,MILLICODE
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; gcc_compiled.:
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.SPACE $TEXT$
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.SUBSPA $CODE$
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; Simply call with the address of the desired import stub in %r22 and
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; arguments in the normal place (%r26-%r23 and stack slots).
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;
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.align 4
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.EXPORT __gcc_plt_call,ENTRY,PRIV_LEV=3,RTNVAL=GR
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__gcc_plt_call
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.PROC
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.CALLINFO
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.ENTRY
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; Our return address comes in %r31, not %r2!
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stw %r31,-8(0,%r30)
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; An inline version of dyncall so we don't have to worry
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; about long calls to millicode, PIC and other complexities.
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bb,>=,n %r22,30,L$foo
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depi 0,31,2,%r22
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ldw 4(%r22),%r19
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ldw 0(%r22),%r22
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L$foo
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ldsid (%r22),%r1
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mtsp %r1,%sr0
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ble 0(%sr0,%r22)
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copy %r31,%r2
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ldw -8(0,%r30),%r2
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; We're going to be returning to a stack address, so we
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; need to do an intra-space return.
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ldsid (%rp),%r1
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mtsp %r1,%sr0
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be,n 0(%sr0,%rp)
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.EXIT
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.PROCEND
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