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SH crti/crtn (Was: Arch maintainers: new approach for crti.o andcrtn.o)


Hi,

"Joseph S. Myers" <joseph@codesourcery.com> wrote:
> The deadline for the conversion, after which the transitional support for 
> the old mechanism is expected to be removed, is 1 April (it may be removed 
> before then if all libc architectures are converted sooner).

Here is the SH version of crt?.S support.

Regards,
	kaz
--
2012-02-09  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.

nptl/
2012-02-09  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/unix/sysv/linux/sh/pt-initfini.c: Remove file.

diff --git a/sysdeps/sh/crti.S b/sysdeps/sh/crti.S
new file mode 100644
index 0000000..62b6c1c
--- /dev/null
+++ b/sysdeps/sh/crti.S
@@ -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:
diff --git a/sysdeps/sh/crtn.S b/sysdeps/sh/crtn.S
new file mode 100644
index 0000000..d33c378
--- /dev/null
+++ b/sysdeps/sh/crtn.S
@@ -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
diff --git a/sysdeps/sh/elf/initfini.c b/sysdeps/sh/elf/initfini.c
deleted file mode 100644
index 2ae328c..0000000
--- a/sysdeps/sh/elf/initfini.c
+++ /dev/null
@@ -1,153 +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, write to the Free
-   Software Foundation, Inc., 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. */
-
-__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\
-");
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pt-initfini.c b/nptl/sysdeps/unix/sysv/linux/sh/pt-initfini.c
deleted file mode 100644
index 82c97c3..0000000
--- a/nptl/sysdeps/unix/sysv/linux/sh/pt-initfini.c
+++ /dev/null
@@ -1,126 +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,
-   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. */
-
-__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\
-");


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