mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-03 04:01:43 +08:00
88 lines
3.2 KiB
ArmAsm
88 lines
3.2 KiB
ArmAsm
/* Special .init and .fini section support for HPPA
|
|
Copyright (C) 2000-2016 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
|