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Add SH target specific crti.S and crtn.S and remove initfini files. 

Add sysdeps/sh/crti.S, sysdeps/sh/crtn.S and remove sysdeps/sh/elf/initfini.c
and nptl/sysdeps/unix/sysv/linux/sh/pt-initfini.c.
This commit is contained in:
Kaz Kojima 2012-02-16 07:17:24 +09:00
parent f63f338062
commit df83af673b
6 changed files with 185 additions and 277 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ChangeLog
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@ -1,3 +1,9 @@
2012-02-15 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/crti.S, sysdeps/sh/crtn.S: New files, based on
compiler output for sysdeps/generic/initfini.c.
* sysdeps/sh/elf/initfini.c: Remove file.
2012-02-16 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/Makefile: Add -fPIC when building crt{i,n}.S

4
nptl/ChangeLog
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@ -1,3 +1,7 @@
2012-02-15 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/pt-initfini.c: Remove file.
2012-02-16 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/Makefile: Add -fPIC when building pt-crti.S and crtn.S

125
nptl/sysdeps/unix/sysv/linux/sh/pt-initfini.c
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@ -1,125 +0,0 @@
/* Special .init and .fini section support for SH. NPTL version.
Copyright (C) 2003, 2009 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 Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
In addition to the permissions in the GNU Library 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 Library 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 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, see <http://www.gnu.org/licenses/>. */
/* 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. */
__asm__ ("\n\
\n\
#include \"defs.h\"\n\
\n\
/*@HEADER_ENDS*/\n\
\n\
/*@TESTS_BEGIN*/\n\
\n\
/*@TESTS_END*/\n\
\n\
/*@_init_PROLOG_BEGINS*/\n\
.section .init\n\
.align 5\n\
.global _init\n\
.type _init,@function\n\
_init:\n\
mov.l r12,@-r15\n\
mov.l r14,@-r15\n\
sts.l pr,@-r15\n\
mova .L22,r0\n\
mov.l .L22,r12\n\
add r0,r12\n\
mova .L24,r0\n\
mov.l .L24,r1\n\
add r0,r1\n\
jsr @r1\n\
mov r15,r14\n\
bra 1f\n\
nop\n\
.align 2\n\
.L22:\n\
.long _GLOBAL_OFFSET_TABLE_\n\
.L24:\n\
.long __pthread_initialize_minimal_internal@PLT\n\
1:\n\
ALIGN\n\
END_INIT\n\
\n\
/*@_init_PROLOG_ENDS*/\n\
\n\
/*@_init_EPILOG_BEGINS*/\n\
.section .init\n\
mov r14,r15\n\
lds.l @r15+,pr\n\
mov.l @r15+,r14\n\
rts \n\
mov.l @r15+,r12\n\
END_INIT\n\
\n\
/*@_init_EPILOG_ENDS*/\n\
\n\
/*@_fini_PROLOG_BEGINS*/\n\
.section .fini\n\
.align 5\n\
.global _fini\n\
.type _fini,@function\n\
_fini:\n\
mov.l r12,@-r15\n\
mov.l r14,@-r15\n\
sts.l pr,@-r15\n\
mova .L27,r0\n\
mov.l .L27,r12\n\
add r0,r12\n\
mov r15,r14\n\
ALIGN\n\
END_FINI\n\
bra 1f\n\
nop\n\
.align 2\n\
.L27:\n\
.long _GLOBAL_OFFSET_TABLE_\n\
1:\n\
/*@_fini_PROLOG_ENDS*/\n\
\n\
/*@_fini_EPILOG_BEGINS*/\n\
.section .fini\n\
mov r14,r15\n\
lds.l @r15+,pr\n\
mov.l @r15+,r14\n\
rts \n\
mov.l @r15+,r12\n\
\n\
END_FINI\n\
\n\
/*@_fini_EPILOG_ENDS*/\n\
\n\
/*@TRAILER_BEGINS*/\n\
");

121
sysdeps/sh/crti.S Normal file
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@ -0,0 +1,121 @@
/* Special .init and .fini section support for SH.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* 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. The symbols _init and _fini are
magic and cause the linker to emit DT_INIT and DT_FINI. */
#include <libc-symbols.h>
#include <sysdep.h>
#ifndef PREINIT_FUNCTION
# define PREINIT_FUNCTION __gmon_start__
#endif
#ifndef PREINIT_FUNCTION_WEAK
# define PREINIT_FUNCTION_WEAK 1
#endif
#if PREINIT_FUNCTION_WEAK
weak_extern (PREINIT_FUNCTION)
#else
.hidden PREINIT_FUNCTION
#endif
.section .init,"ax",@progbits
.align 5
.global _init
.type _init, @function
_init:
mov.l r12,@-r15
mova .L12,r0
mov.l .L12,r12
mov.l r14,@-r15
add r0,r12
sts.l pr,@-r15
#if PREINIT_FUNCTION_WEAK
mov.l .L13,r0
mov.l @(r0,r12),r1
tst r1,r1
bt/s .L8
mov r15,r14
mov.l .L14,r1
bsrf r1
.LPCS0:
nop
.L8:
#else
mova .L13,r0
mov.l .L13,r1
add r0,r1
jsr @r1
mov r15,r14
#endif
bra 1f
nop
.align 2
.L12:
.long _GLOBAL_OFFSET_TABLE_
#if PREINIT_FUNCTION_WEAK
.L13:
.long PREINIT_FUNCTION@GOT
.L14:
.long PREINIT_FUNCTION@PLT-(.LPCS0+2-(.))
#else
.L13:
.long PREINIT_FUNCTION@PLT
#endif
1:
.section .fini,"ax",@progbits
.align 5
.global _fini
.type _fini, @function
_fini:
mov.l r12,@-r15
mova .L19,r0
mov.l r14,@-r15
sts.l pr,@-r15
mov.l .L19,r12
mov r15,r14
add r0,r12
bra 0f
nop
.align 2
.L19:
.long _GLOBAL_OFFSET_TABLE_
0:

54
sysdeps/sh/crtn.S Normal file
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@ -0,0 +1,54 @@
/* Special .init and .fini section support for SH.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* crtn.S puts function epilogues in the .init and .fini sections
corresponding to the prologues in crti.S. */
.section .init,"ax",@progbits
mov r14,r15
lds.l @r15+,pr
mov.l @r15+,r14
mov.l @r15+,r12
rts
nop
.section .fini,"ax",@progbits
mov r14,r15
lds.l @r15+,pr
mov.l @r15+,r14
mov.l @r15+,r12
rts
nop

152
sysdeps/sh/elf/initfini.c
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@ -1,152 +0,0 @@
/* Special .init and .fini section support for SH.
Copyright (C) 2000, 2002, 2009 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/>. */
/* 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. */
__asm__ ("\
\n\
#include \"defs.h\"\n\
\n\
/*@HEADER_ENDS*/\n\
\n\
/*@TESTS_BEGIN*/\n\
.align 5\n\
/*@TESTS_END*/\n\
\n\
/*@_init_PROLOG_BEGINS*/\n\
.section .init,\"ax\",@progbits\n\
.align 5\n\
.global _init\n\
.type _init, @function\n\
_init:\n\
mov.l r12,@-r15\n\
mova .L12,r0\n\
mov.l .L12,r12\n\
mov.l r14,@-r15\n\
add r0,r12\n\
mov.l .L13,r0\n\
sts.l pr,@-r15\n\
mov.l @(r0,r12),r1\n\
tst r1,r1\n\
bt/s .L8\n\
mov r15,r14\n\
mov.l .L14,r1\n\
bsrf r1\n\
.LPCS0:\n\
nop\n\
.L8:\n\
bra 1f\n\
nop\n\
.align 2\n\
.L12:\n\
.long _GLOBAL_OFFSET_TABLE_\n\
.L13:\n\
.long __gmon_start__@GOT\n\
.L14:\n\
.long __gmon_start__@PLT-(.LPCS0+2-(.))\n\
1:\n\
ALIGN\n\
END_INIT\n\
\n\
/*@_init_PROLOG_ENDS*/\n\
\n\
/*@_init_EPILOG_BEGINS*/\n\
.section .init\n\
mov r14,r15\n\
lds.l @r15+,pr\n\
mov.l @r15+,r14\n\
mov.l @r15+,r12\n\
rts \n\
nop\n\
END_INIT\n\
\n\
/*@_init_EPILOG_ENDS*/\n\
\n\
/*@_fini_PROLOG_BEGINS*/\n\
.section .fini,\"ax\",@progbits\n\
.align 5\n\
.global _fini\n\
.type _fini, @function\n\
_fini:\n\
mov.l r12,@-r15\n\
mova .L19,r0\n\
mov.l r14,@-r15\n\
sts.l pr,@-r15\n\
mov.l .L19,r12\n\
mov r15,r14\n\
add r0,r12\n\
bra 0f\n\
nop\n\
.align 2\n\
.L19:\n\
.long _GLOBAL_OFFSET_TABLE_\n\
0:\n\
ALIGN\n\
END_FINI\n\
\n\
/*@_fini_PROLOG_ENDS*/\n\
mov.l .L20,r1\n\
bsrf r1\n\
.LPCS1:\n\
nop\n\
bra 1f\n\
nop\n\
.align 2\n\
.L20:\n\
.long i_am_not_a_leaf@PLT-(.LPCS1+2-(.))\n\
1:\n\
/*@_fini_EPILOG_BEGINS*/\n\
.section .fini\n\
mov r14,r15\n\
lds.l @r15+,pr\n\
mov.l @r15+,r14\n\
mov.l @r15+,r12\n\
rts \n\
nop\n\
END_FINI\n\
\n\
/*@_fini_EPILOG_ENDS*/\n\
\n\
/*@TRAILER_BEGINS*/\n\
.weak __gmon_start__\n\
");