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/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Jes Sorensen, <Jes.Sorensen@cern.ch>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
.section .ctors,"aw","progbits"
.align 8
__CTOR_LIST__:
data8 -1
.section .dtors,"aw","progbits"
.align 8
__DTOR_LIST__:
data8 -1
.section .sdata
.type dtor_ptr#,@object
.size dtor_ptr#,8
dtor_ptr:
data8 __DTOR_LIST__# + 8
#ifndef SHARED
.type __ia64_app_header#,@object
.size __ia64_app_header#,8
.global __ia64_app_header
__ia64_app_header:
data8 @segrel(.Lsegrel_ref#)
#endif
/* A handle for __cxa_finalize to manage c++ local destructors. */
.global __dso_handle#
.type __dso_handle#,@object
.size __dso_handle#,8
#ifdef SHARED
.section .data
__dso_handle:
data8 __dso_handle#
#else
.section .bss
__dso_handle:
data8 0
#endif
.hidden __dso_handle#
/*
* Fragment of the ELF _fini routine that invokes our dtor cleanup.
*
* We make the call by indirection, because in large programs the
* .fini and .init sections are not in range of the destination, and
* we cannot allow the linker to insert a stub at the end of this
* fragment of the _fini function. Further, Itanium does not implement
* the long branch instructions, and we do not wish every program to
* trap to the kernel for emulation.
*
* Note that we require __do_global_dtors_aux to preserve the GP,
* so that the next fragment in .fini gets the right value.
*/
.section .fini,"ax","progbits"
{ .mlx
movl r2 = @pcrel(__do_global_dtors_aux# - 16)
}
{ .mii
mov r3 = ip
;;
add r2 = r2, r3
;;
}
{ .mib
mov b6 = r2
br.call.sptk.many b0 = b6
;;
}
#ifndef SHARED
/*
* Fragment of the ELF _init routine that sets up __ia64_app_header
*/
.section .init,"ax","progbits"
.Lsegrel_ref:
{ .mmi
addl r2 = @gprel(__ia64_app_header), gp
mov r16 = ip
;;
}
{ .mmi
ld8 r3 = [r2]
;;
sub r16 = r16, r3
;;
}
{ .mfb
st8 [r2] = r16
;;
}
#endif
.section .text
.align 16
.proc __do_global_dtors_aux#
__do_global_dtors_aux:
#ifndef SHARED
{ .mii
alloc loc3 = ar.pfs, 0, 4, 1, 0
addl loc0 = @gprel(dtor_ptr#), gp
mov loc1 = b0
}
{ .mib
mov loc2 = gp
br.sptk.few 1f
;;
}
#else
/*
if (__cxa_finalize)
__cxa_finalize(__dso_handle)
*/
{ .mii
alloc loc3 = ar.pfs, 0, 4, 1, 0
addl loc0 = @gprel(dtor_ptr#), gp
addl r16 = @ltoff(@fptr(__cxa_finalize#)), gp
;;
}
{ .mmi
ld8 r16 = [r16]
;;
addl out0 = @ltoff(__dso_handle#), gp
cmp.ne p7, p0 = r0, r16
;;
}
{ .mmi
ld8 out0 = [out0]
(p7) ld8 r18 = [r16], 8
mov loc1 = b0
;;
}
{ .mfi
mov loc2 = gp
(p7) mov b6 = r18
}
{
.mfb
(p7) ld8 gp = [r16]
(p7) br.call.sptk.many b0 = b6
}
{ .mfb
br.sptk.few 1f
}
#endif
/*
do {
dtor_ptr++;
(*(dtor_ptr-1)) ();
} while (dtor_ptr);
*/
0:
{ .mmi
st8 [loc0] = r15
ld8 r17 = [r16], 8
;;
}
{ .mib
ld8 gp = [r16]
mov b6 = r17
br.call.sptk.many b0 = b6
}
1:
{ .mmi
ld8 r15 = [loc0]
;;
ld8 r16 = [r15], 8
;;
}
{ .mfb
cmp.ne p6, p0 = r0, r16
(p6) br.cond.sptk.few 0b
}
{ .mii
mov gp = loc2
mov b0 = loc1
mov ar.pfs = loc3
}
{ .bbb
br.ret.sptk.many b0
;;
}
.endp __do_global_dtors_aux#
#ifdef SHARED
.weak __cxa_finalize#
#endif
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