Move sparc away from the deprecated inifini.c scheme.

/

	* sysdeps/sparc/Makefile: Add -fPIC when building crt{i,n}.S
	* sysdeps/sparc/crti.S: New file.
	* sysdeps/sparc/crtn.S: New file.
	* sysdeps/sparc/sparc32/Makefile: Remove initfini handling.
	* sysdeps/sparc/sparc64/Makefile: Likewise.

nptl/

	* sysdeps/sparc/Makefile: Add -fPIC when building pt-crti.S and crtn.S

5 files changed, 151 insertions, 8 deletions

diff --git a/sysdeps/sparc/Makefile b/sysdeps/sparc/Makefile
index 735e4a4..45609d5 100644
--- a/sysdeps/sparc/Makefile
+++ b/sysdeps/sparc/Makefile
@@ -14,4 +14,6 @@ endif
 ifeq ($(subdir),csu)
 # get offset to rtld_global._dl_hwcap
 gen-as-const-headers += rtld-global-offsets.sym
+CPPFLAGS-crti.S += -fPIC
+CPPFLAGS-crtn.S += -fPIC
 endif
diff --git a/sysdeps/sparc/crti.S b/sysdeps/sparc/crti.S
new file mode 100644
index 0000000..adb1b29
--- /dev/null
+++ b/sysdeps/sparc/crti.S
@@ -0,0 +1,104 @@
+/* Special .init and .fini section support for sparc.
+   Copyright (C) 1995-2012 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/>.  */
+
+/* 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
+
+#ifdef __arch64__
+#define	STACKFRAME_SIZE	176
+#define GOT_LOAD	ldx
+#else
+#define	STACKFRAME_SIZE	96
+#define GOT_LOAD	ld
+#endif
+
+	.section	.init,"ax",@progbits
+	.p2align	2
+	.globl		_init
+	.type		_init, @function
+_init:
+	save		%sp, -STACKFRAME_SIZE, %sp
+#if PREINIT_FUNCTION_WEAK
+	sethi		%hi(_GLOBAL_OFFSET_TABLE_-4), %l7
+	call		__sparc_get_pc_thunk.l7
+	 add		%l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7
+	sethi		%hi(PREINIT_FUNCTION), %g1
+	or		%g1, %lo(PREINIT_FUNCTION), %g1
+	GOT_LOAD	[%l7 + %g1], %g1
+	cmp		%g1, 0
+	be		1f
+	 nop
+	call		PREINIT_FUNCTION
+	 nop
+1:
+#else
+	call		PREINIT_FUNCTION
+	 nop
+#endif
+
+	.section	.fini,"ax",@progbits
+	.p2align	2
+	.globl		_fini
+	.type		_fini, @function
+_fini:
+	save		%sp, -STACKFRAME_SIZE, %sp
+
+	.section	.text.__sparc_get_pc_thunk.l7,"axG",@progbits,__sparc_get_pc_thunk.l7,comdat
+	.p2align	2
+	.weak		__sparc_get_pc_thunk.l7
+	.hidden		__sparc_get_pc_thunk.l7
+	.type		__sparc_get_pc_thunk.l7, #function
+__sparc_get_pc_thunk.l7:
+	jmp		%o7 + 8
+	 add		%o7, %l7, %l7
diff --git a/sysdeps/sparc/crtn.S b/sysdeps/sparc/crtn.S
new file mode 100644
index 0000000..8f3e89a
--- /dev/null
+++ b/sysdeps/sparc/crtn.S
@@ -0,0 +1,45 @@
+/* Special .init and .fini section support for sparc.
+   Copyright (C) 1995-2012 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/>.  */
+
+/* crtn.S puts function epilogues in the .init and .fini sections
+   corresponding to the prologues in crti.S. */
+
+	.section	.init,"ax",@progbits
+	jmp		%i7 + 8
+	restore
+
+	.section	.fini,"ax",@progbits
+	jmp		%i7 + 8
+	restore
diff --git a/sysdeps/sparc/sparc32/Makefile b/sysdeps/sparc/sparc32/Makefile
index cc2bb08..fb1adaf 100644
--- a/sysdeps/sparc/sparc32/Makefile
+++ b/sysdeps/sparc/sparc32/Makefile
@@ -19,10 +19,6 @@ ifeq ($(subdir),gnulib)
 sysdep_routines = dotmul umul $(divrem) alloca
 endif	# gnulib
 
-ifeq ($(subdir),csu)
-CFLAGS-initfini.s += -mcpu=v7
-endif
-
 # We distribute these files, even though they are generated,
 # so as to avoid the need for a functioning m4 to build the library.
 divrem := sdiv udiv rem urem
diff --git a/sysdeps/sparc/sparc64/Makefile b/sysdeps/sparc/sparc64/Makefile
index 1a859df..fb8b011 100644
--- a/sysdeps/sparc/sparc64/Makefile
+++ b/sysdeps/sparc/sparc64/Makefile
@@ -3,10 +3,6 @@ sysdep_routines += hp-timing
 elide-routines.os += hp-timing
 endif
 
-ifeq ($(subdir),csu)
-CFLAGS-initfini.s += -mcpu=v9
-endif
-
 ifeq ($(subdir),string)
 sysdep_routines += align-cpy
 endif