mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 13:50:06 +00:00
c053fa34cd
This patch removes the elf/ directory, moving any special configury down a directory e.g. TLS checks. This patch also implements the required crti.S and crtn.S files, verifying that they match the current implementation.
89 lines
3.2 KiB
ArmAsm
89 lines
3.2 KiB
ArmAsm
/* Special .init and .fini section support for HPPA
|
|
Copyright (C) 2000-2012 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
|
|
|