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glibc/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c
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/* Special .init and .fini section support for ia64. LinuxThreads version. | |
Copyright (C) 2000, 2001, 2002, 2003 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 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.) | |
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; see the file COPYING.LIB. If not, | |
write to the Free Software Foundation, 59 Temple Place - Suite 330, | |
Boston, MA 02111-1307, USA. */ | |
/* This file is compiled into assembly code which is then munged by a sed | |
script into two files: crti.s and crtn.s. | |
* crti.s puts a function prologue at the beginning of the | |
.init and .fini sections and defines global symbols for | |
those addresses, so they can be called as functions. | |
* crtn.s puts the corresponding function epilogues | |
in the .init and .fini sections. */ | |
#include <stddef.h> | |
#ifdef HAVE_INITFINI_ARRAY | |
# define INIT_NEW_WAY \ | |
".xdata8 \".init_array\", @fptr(__pthread_initialize_minimal)\n" | |
# define INIT_OLD_WAY "" | |
#else | |
# define INIT_NEW_WAY "" | |
# define INIT_OLD_WAY \ | |
"\n\ | |
st8 [r12] = gp, -16\n\ | |
br.call.sptk.many b0 = __pthread_initialize_minimal# ;;\n\ | |
;;\n\ | |
adds r12 = 16, r12\n\ | |
;;\n\ | |
ld8 gp = [r12]\n\ | |
;;\n" | |
#endif | |
__asm__ ("\n\ | |
\n\ | |
#include \"defs.h\"\n\ | |
\n\ | |
/*@HEADER_ENDS*/\n\ | |
\n\ | |
/*@_init_PROLOG_BEGINS*/\n" | |
INIT_NEW_WAY | |
".section .init\n\ | |
.align 16\n\ | |
.global _init#\n\ | |
.proc _init#\n\ | |
_init:\n\ | |
.prologue\n\ | |
.save ar.pfs, r34\n\ | |
alloc r34 = ar.pfs, 0, 3, 0, 0\n\ | |
.vframe r32\n\ | |
mov r32 = r12\n\ | |
.save rp, r33\n\ | |
mov r33 = b0\n\ | |
.body\n\ | |
adds r12 = -16, r12\n\ | |
;;\n" | |
INIT_OLD_WAY | |
".endp _init#\n\ | |
\n\ | |
/*@_init_PROLOG_ENDS*/\n\ | |
\n\ | |
/*@_init_EPILOG_BEGINS*/\n\ | |
.section .init\n\ | |
.proc _init#\n\ | |
_init:\n\ | |
.prologue\n\ | |
.save ar.pfs, r34\n\ | |
.vframe r32\n\ | |
.save rp, r33\n\ | |
.body\n\ | |
mov r12 = r32\n\ | |
mov ar.pfs = r34\n\ | |
mov b0 = r33\n\ | |
br.ret.sptk.many b0\n\ | |
.endp _init#\n\ | |
/*@_init_EPILOG_ENDS*/\n\ | |
\n\ | |
/*@_fini_PROLOG_BEGINS*/\n\ | |
.section .fini\n\ | |
.align 16\n\ | |
.global _fini#\n\ | |
.proc _fini#\n\ | |
_fini:\n\ | |
.prologue\n\ | |
.save ar.pfs, r34\n\ | |
alloc r34 = ar.pfs, 0, 3, 0, 0\n\ | |
.vframe r32\n\ | |
mov r32 = r12\n\ | |
.save rp, r33\n\ | |
mov r33 = b0\n\ | |
.body\n\ | |
adds r12 = -16, r12\n\ | |
;;\n\ | |
.endp _fini#\n\ | |
\n\ | |
/*@_fini_PROLOG_ENDS*/\n\ | |
\n\ | |
/*@_fini_EPILOG_BEGINS*/\n\ | |
.section .fini\n\ | |
.proc _fini#\n\ | |
_fini:\n\ | |
.prologue\n\ | |
.save ar.pfs, r34\n\ | |
.vframe r32\n\ | |
.save rp, r33\n\ | |
.body\n\ | |
mov r12 = r32\n\ | |
mov ar.pfs = r34\n\ | |
mov b0 = r33\n\ | |
br.ret.sptk.many b0\n\ | |
.endp _fini#\n\ | |
\n\ | |
/*@_fini_EPILOG_ENDS*/\n\ | |
\n\ | |
/*@TRAILER_BEGINS*/\n\ | |
.weak __gmon_start__#\n\ | |
"); |