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/* Special .init and .fini section support for HPPA
Copyright (C) 2000-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
In addition to the permissions in the GNU Lesser 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 GNU Lesser 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.)
Note that people who make modified versions of this file are not
obligated to grant this special exception for their modified
versions; it is their choice whether to do so. The GNU Lesser
General Public License gives permission to release a modified
version without this exception; this exception also makes it
possible to release a modified version which carries forward this
exception.
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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
/* crtn.S puts function epilogues in the .init and .fini sections
corresponding to the prologues in crti.S. */
/* Note that we cannot have a weak undefined __gmon_start__, because
that would require this to be PIC, and the linker is currently not
able to generate a proper procedure descriptor for _init. Sad but
true. Anyway, HPPA is one of those horrible architectures where
making the comparison and indirect call is quite expensive (see the
comment in sysdeps/generic/initfini.c). */
.text
.align 4
.weak __gmon_start__
.type __gmon_start__,@function
__gmon_start__:
.proc
.callinfo
.entry
bv,n %r0(%r2)
.exit
.procend
/* Here is the tail end of _init. We put __gmon_start before this so
that the assembler creates the .PARISC.unwind section for us, ie.
with the right attributes. */
.section .init, "ax", @progbits
ldw -84(%sp),%rp
copy %r4,%r19
bv %r0(%rp)
_end_init:
ldwm -64(%sp),%r4
/* Our very own unwind info, because the assembler can't handle
functions split into two or more pieces. */
.section .PARISC.unwind
.extern _init
.word _init, _end_init
.byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08
/* Here is the tail end of _fini. */
.section .fini, "ax", @progbits
ldw -84(%sp),%rp
copy %r4,%r19
bv %r0(%rp)
_end_fini:
ldwm -64(%sp),%r4
.section .PARISC.unwind
.extern _fini
.word _fini, _end_fini
.byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08
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