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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [pa/] [lib2funcs.asm] - Blame information for rev 473

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Line No. Rev Author Line
1 282 jeremybenn
;  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, 2009 Free Software Foundation, Inc.
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;  This file is part of GCC.
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;  GCC 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 3, or (at your option)
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;  any later version.
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;  GCC 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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;  Under Section 7 of GPL version 3, you are granted additional
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;  permissions described in the GCC Runtime Library Exception, version
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;  3.1, as published by the Free Software Foundation.
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;  You should have received a copy of the GNU General Public License and
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;  a copy of the GCC Runtime Library Exception along with this program;
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;  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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;  .
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#if !defined(__pro__) && !defined(__rtems__)
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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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#endif
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        .IMPORT $$dyncall,MILLICODE
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#if !defined(__pro__) && !defined(__rtems__)
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        .SPACE $TEXT$
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        .SUBSPA $CODE$
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#else
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        .text
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#endif
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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(%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(%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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