[PATCH 06/10] alpha: Convert to crt[in].S.

[Richard Henderson <rth@twiddle.net>]

A particularly trivial conversion, since we were already using
assembler, smuggled inside the C file.
---
 ChangeLog.alpha                      |    4 +
 sysdeps/alpha/elf/crti.S             |  100 ++++++++++++++++++++++++++++++
 sysdeps/alpha/elf/crtn.S             |   50 +++++++++++++++
 sysdeps/alpha/elf/initfini.c         |  110 ----------------------------------
 sysdeps/alpha/nptl/elf/pt-initfini.c |   89 ---------------------------
 5 files changed, 154 insertions(+), 199 deletions(-)
 create mode 100644 sysdeps/alpha/elf/crti.S
 create mode 100644 sysdeps/alpha/elf/crtn.S
 delete mode 100644 sysdeps/alpha/elf/initfini.c
 delete mode 100644 sysdeps/alpha/nptl/elf/pt-initfini.c

diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 42e3c85..e76205d 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,9 @@
 2012-02-08  Richard Henderson  <rth@twiddle.net>
 
+	* sysdeps/alpha/elf/crti.S, sysdeps/alpha/elf/crtn.S: New files...
+	* sysdeps/alpha/elf/initfini.c: ... split from here.  Remove file.
+	* sysdeps/alpha/nptl/elf/pt-initfini.c: Remove file.
+
 	* sysdeps/unix/alpha/sysdep.h (INTERNAL_SYSCALL_DECL): Mark unused.
 
 	* sysdeps/unix/sysv/linux/alpha/bits/stat.h (_STAT_VER_LINUX): New.
diff --git a/sysdeps/alpha/elf/crti.S b/sysdeps/alpha/elf/crti.S
new file mode 100644
index 0000000..b5989bf
--- /dev/null
+++ b/sysdeps/alpha/elf/crti.S
@@ -0,0 +1,100 @@
+/* Special .init and .fini section support for Alpha.
+   Copyright (C) 2001, 2002, 2003, 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.
+
+   This differs from what would be generated for ordinary code in that
+   we save and restore the GP within the function.  In order for linker
+   relaxation to work, the value in the GP register on exit from a function
+   must be valid for the function entry point.  Normally, a function is
+   contained within one object file and this is not an issue, provided
+   that the function reloads the gp after making any function calls.
+   However, _init and _fini are constructed from pieces of many object
+   files, all of which may have different GP values.  So we must reload
+   the GP value from crti.o in crtn.o.  */
+
+#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
+	.globl	_init
+	.type	_init, @function
+	.usepv	_init, std
+_init:
+	ldgp	$29, 0($27)
+	subq	$30, 16, $30
+#if PREINIT_FUNCTION_WEAK
+	lda	$27, PREINIT_FUNCTION
+#endif
+	stq	$26, 0($30)
+	stq	$29, 8($30)
+#if PREINIT_FUNCTION_WEAK
+	beq	$27, 1f
+	jsr	$26, ($27), PREINIT_FUNCTION
+	ldq	$29, 8($30)
+1:
+#else
+	bsr	$26, PREINIT_FUNCTION !samegp
+#endif
+	.p2align 3
+
+	.section .fini, "ax", @progbits
+	.globl	_fini
+	.type	_fini,@function
+	.usepv	_fini,std
+_fini:
+	ldgp	$29, 0($27)
+	subq	$30, 16, $30
+	stq	$26, 0($30)
+	stq	$29, 8($30)
+	.p2align 3
diff --git a/sysdeps/alpha/elf/crtn.S b/sysdeps/alpha/elf/crtn.S
new file mode 100644
index 0000000..50e772f
--- /dev/null
+++ b/sysdeps/alpha/elf/crtn.S
@@ -0,0 +1,50 @@
+/* Special .init and .fini section support for Alpha.
+   Copyright (C) 2001, 2002, 2003, 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
+	ldq	$26, 0($30)
+	ldq	$29, 8($30)
+	addq	$30, 16, $30
+	ret
+
+	.section .fini, "ax", @progbits
+	ldq	$26, 0($30)
+	ldq	$29, 8($30)
+	addq	$30, 16, $30
+	ret
diff --git a/sysdeps/alpha/elf/initfini.c b/sysdeps/alpha/elf/initfini.c
deleted file mode 100644
index 4d3342d..0000000
--- a/sysdeps/alpha/elf/initfini.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* Special .init and .fini section support for Alpha.
-   Copyright (C) 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 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.
-
-   This differs from what would be generated by the generic code in that
-   we save and restore the GP within the function.  In order for linker
-   relaxation to work, the value in the GP register on exit from a function
-   must be valid for the function entry point.  Normally, a function is
-   contained within one object file and this is not an issue, provided
-   that the function reloads the gp after making any function calls.
-   However, _init and _fini are constructed from pieces of many object
-   files, all of which may have different GP values.  So we must reload
-   the GP value from crti.o in crtn.o.  */
-
-__asm__ ("						\n\
-#include \"defs.h\"					\n\
-							\n\
-/*@HEADER_ENDS*/					\n\
-							\n\
-/*@_init_PROLOG_BEGINS*/				\n\
-	.section .init, \"ax\", @progbits		\n\
-	.globl	_init					\n\
-	.type	_init, @function			\n\
-	.usepv	_init, std				\n\
-_init:							\n\
-	ldgp	$29, 0($27)				\n\
-	subq	$30, 16, $30				\n\
-	lda	$27, __gmon_start__			\n\
-	stq	$26, 0($30)				\n\
-	stq	$29, 8($30)				\n\
-	beq	$27, 1f					\n\
-	jsr	$26, ($27), __gmon_start__		\n\
-	ldq	$29, 8($30)				\n\
-	.align 3					\n\
-1:							\n\
-/*@_init_PROLOG_ENDS*/					\n\
-							\n\
-/*@_init_EPILOG_BEGINS*/				\n\
-	.section .init, \"ax\", @progbits		\n\
-	ldq	$26, 0($30)				\n\
-	ldq	$29, 8($30)				\n\
-	addq	$30, 16, $30				\n\
-	ret						\n\
-/*@_init_EPILOG_ENDS*/					\n\
-							\n\
-/*@_fini_PROLOG_BEGINS*/				\n\
-	.section .fini, \"ax\", @progbits		\n\
-	.globl	_fini					\n\
-	.type	_fini,@function				\n\
-	.usepv	_fini,std				\n\
-_fini:							\n\
-	ldgp	$29, 0($27)				\n\
-	subq	$30, 16, $30				\n\
-	stq	$26, 0($30)				\n\
-	stq	$29, 8($30)				\n\
-	.align 3					\n\
-/*@_fini_PROLOG_ENDS*/					\n\
-							\n\
-/*@_fini_EPILOG_BEGINS*/				\n\
-	.section .fini, \"ax\", @progbits		\n\
-	ldq	$26, 0($30)				\n\
-	ldq	$29, 8($30)				\n\
-	addq	$30, 16, $30				\n\
-	ret						\n\
-/*@_fini_EPILOG_ENDS*/					\n\
-							\n\
-/*@TRAILER_BEGINS*/					\n\
-");
diff --git a/sysdeps/alpha/nptl/elf/pt-initfini.c b/sysdeps/alpha/nptl/elf/pt-initfini.c
deleted file mode 100644
index ba2e419..0000000
--- a/sysdeps/alpha/nptl/elf/pt-initfini.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* Special .init and .fini section support for Alpha.  NPTL version.
-   Copyright (C) 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.
-
-   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.
-
-   This differs from what would be generated by the generic code in that
-   we save and restore the GP within the function.  In order for linker
-   relaxation to work, the value in the GP register on exit from a function
-   must be valid for the function entry point.  Normally, a function is
-   contained within one object file and this is not an issue, provided
-   that the function reloads the gp after making any function calls.
-   However, _init and _fini are constructed from pieces of many object
-   files, all of which may have different GP values.  So we must reload
-   the GP value from crti.o in crtn.o.  */
-
-__asm__ ("						\n\
-#include \"defs.h\"					\n\
-							\n\
-/*@HEADER_ENDS*/					\n\
-							\n\
-/*@_init_PROLOG_BEGINS*/				\n\
-	.section .init, \"ax\", @progbits		\n\
-	.globl	_init					\n\
-	.type	_init,@function				\n\
-	.usepv	_init,std				\n\
-_init:							\n\
-	ldgp	$29, 0($27)				\n\
-	subq	$30, 16, $30				\n\
-	stq	$26, 0($30)				\n\
-	stq	$29, 8($30)				\n\
-	bsr	$26, __pthread_initialize_minimal_internal !samegp \n\
-	.align 3					\n\
-/*@_init_PROLOG_ENDS*/					\n\
-							\n\
-/*@_init_EPILOG_BEGINS*/				\n\
-	.section .init, \"ax\", @progbits		\n\
-	ldq	$26, 0($30)				\n\
-	ldq	$29, 8($30)				\n\
-	addq	$30, 16, $30				\n\
-	ret						\n\
-/*@_init_EPILOG_ENDS*/					\n\
-							\n\
-/*@_fini_PROLOG_BEGINS*/				\n\
-	.section .fini, \"ax\", @progbits		\n\
-	.globl	_fini					\n\
-	.type	_fini,@function				\n\
-	.usepv	_fini,std				\n\
-_fini:							\n\
-	ldgp	$29, 0($27)				\n\
-	subq	$30, 16, $30				\n\
-	stq	$26, 0($30)				\n\
-	stq	$29, 8($30)				\n\
-	.align 3					\n\
-/*@_fini_PROLOG_ENDS*/					\n\
-							\n\
-/*@_fini_EPILOG_BEGINS*/				\n\
-	.section .fini, \"ax\", @progbits		\n\
-	ldq	$26, 0($30)				\n\
-	ldq	$29, 8($30)				\n\
-	addq	$30, 16, $30				\n\
-	ret						\n\
-/*@_fini_EPILOG_ENDS*/					\n\
-							\n\
-/*@TRAILER_BEGINS*/					\n\
-");
-- 
1.7.7.6