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authorRichard Henderson <rth@twiddle.net>2012-02-15 19:58:28 -0800
committerRichard Henderson <rth@twiddle.net>2012-02-16 09:24:19 -0800
commite3b69ca7d173878ef783e7006e12aa568b94439e (patch)
tree0ccee924569fb44f9e4d1b3d1a1fdc9b9503d7fa /sysdeps/s390/s390-64
parentfb59b3a4f54777652dc877a1df0fcc009b741d87 (diff)
downloadglibc-e3b69ca7d173878ef783e7006e12aa568b94439e.tar.gz
glibc-e3b69ca7d173878ef783e7006e12aa568b94439e.tar.xz
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s390: Convert to crt[in].S.
Diffstat (limited to 'sysdeps/s390/s390-64')
-rw-r--r--sysdeps/s390/s390-64/crti.S91
-rw-r--r--sysdeps/s390/s390-64/crtn.S50
-rw-r--r--sysdeps/s390/s390-64/initfini.c143
3 files changed, 141 insertions, 143 deletions
diff --git a/sysdeps/s390/s390-64/crti.S b/sysdeps/s390/s390-64/crti.S
new file mode 100644
index 0000000000..7605f2dccf
--- /dev/null
+++ b/sysdeps/s390/s390-64/crti.S
@@ -0,0 +1,91 @@
+/* Special .init and .fini section support for 64 bit S/390.
+   Copyright (C) 2001, 2012 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+   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
+
+	.section .init,"ax",@progbits
+	.align 4
+	.globl	_init
+	.type	_init,@function
+_init:
+	stmg	%r6,%r15,48(%r15)
+	lgr	%r1,%r15
+	aghi	%r15,-160
+	stg	%r1,0(%r15)
+	larl	%r12,_GLOBAL_OFFSET_TABLE_
+#if PREINIT_FUNCTION_WEAK
+	larl	%r1,PREINIT_FUNCTION@GOTENT
+	lg	%r1,0(%r1)
+	ltgr	%r1,%r1
+	je	1f
+	basr	%r14,%r1
+#else
+	brasl	%r14,PREINIT_FUNCTION
+#endif
+	.align	4,0x07
+1:
+
+	.section .fini,"ax",@progbits
+	.align 4
+	.globl	_fini
+	.type	_fini,@function
+_fini:
+	stmg	%r6,%r15,48(%r15)
+	lgr	%r1,%r15
+	aghi	%r15,-160
+	stg	%r1,0(%r15)
+	larl	%r12,_GLOBAL_OFFSET_TABLE_
+	.align	4,0x07
diff --git a/sysdeps/s390/s390-64/crtn.S b/sysdeps/s390/s390-64/crtn.S
new file mode 100644
index 0000000000..bf72d564c1
--- /dev/null
+++ b/sysdeps/s390/s390-64/crtn.S
@@ -0,0 +1,50 @@
+/* Special .init and .fini section support for 64 bit S/390.
+   Copyright (C) 2001, 2012 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+   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
+	.align	4
+	lg	%r4,272(%r15)
+	lmg	%r6,%r15,208(%r15)
+	br	%r4
+
+	.section .fini
+	.align	4
+	lg	%r4,272(%r15)
+	lmg	%r6,%r15,208(%r15)
+	br	%r4
diff --git a/sysdeps/s390/s390-64/initfini.c b/sysdeps/s390/s390-64/initfini.c
deleted file mode 100644
index fe448debec..0000000000
--- a/sysdeps/s390/s390-64/initfini.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/* Special .init and .fini section support for 64 bit S/390.
-   Copyright (C) 2001 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-   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\
-\n\
-/*@TESTS_END*/\n\
-\n\
-/*@_init_PROLOG_BEGINS*/\n\
-\n\
-	.section .init\n\
-#NO_APP\n\
-	.align 4\n\
-.globl _init\n\
-	.type	 _init,@function\n\
-_init:\n\
-#	leaf function           0\n\
-#	automatics              0\n\
-#	outgoing args           0\n\
-#	need frame pointer      0\n\
-#	call alloca             0\n\
-#	has varargs             0\n\
-#	incoming args (stack)   0\n\
-#	function length         36\n\
-	STMG	6,15,48(15)\n\
-	LGR	1,15\n\
-	AGHI	15,-160\n\
-	STG	1,0(15)\n\
-        LARL    12,_GLOBAL_OFFSET_TABLE_\n\
-	LARL    1,__gmon_start__@GOTENT\n\
-	LG      1,0(1)\n\
-	LTGR    1,1\n\
-	JE      .L22\n\
-	BASR    14,1\n\
-.L22:\n\
-#APP\n\
-	.align 4,0x07\n\
-	END_INIT\n\
-\n\
-/*@_init_PROLOG_ENDS*/\n\
-\n\
-/*@_init_EPILOG_BEGINS*/\n\
-	.align 4\n\
-	.section .init\n\
-#NO_APP\n\
-	.align 4\n\
-	LG	4,272(15)\n\
-	LMG	6,15,208(15)\n\
-	BR	4\n\
-#APP\n\
-	END_INIT\n\
-\n\
-/*@_init_EPILOG_ENDS*/\n\
-\n\
-/*@_fini_PROLOG_BEGINS*/\n\
-	.section .fini\n\
-#NO_APP\n\
-	.align 4\n\
-.globl _fini\n\
-	.type	 _fini,@function\n\
-_fini:\n\
-#	leaf function           0\n\
-#	automatics              0\n\
-#	outgoing args           0\n\
-#	need frame pointer      0\n\
-#	call alloca             0\n\
-#	has varargs             0\n\
-#	incoming args (stack)   0\n\
-#	function length         30\n\
-	STMG	6,15,48(15)\n\
-	LGR	1,15\n\
-	AGHI	15,-160\n\
-	STG	1,0(15)\n\
-	LARL	12,_GLOBAL_OFFSET_TABLE_\n\
-#APP\n\
-	.align 4,0x07\n\
-	END_FINI\n\
-\n\
-/*@_fini_PROLOG_ENDS*/\n\
-\n\
-/*@_fini_EPILOG_BEGINS*/\n\
-	.align 4\n\
-	.section .fini\n\
-#NO_APP\n\
-	.align 4\n\
-	LG	4,272(15)\n\
-	LMG	6,15,208(15)\n\
-	BR	4\n\
-#APP\n\
-	END_FINI\n\
-\n\
-/*@_fini_EPILOG_ENDS*/\n\
-\n\
-	/*@TRAILER_BEGINS*/\
-");