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authorKaz Kojima <kkojima@rr.iij4u.or.jp>2012-02-16 07:17:24 +0900
committerKaz Kojima <kkojima@rr.iij4u.or.jp>2012-02-16 07:17:24 +0900
commitdf83af673b1597bb6b96c855658931b989ec1551 (patch)
tree7a46d49359da140922fbb12be6bd197bce1ae03f /sysdeps/sh/crti.S
parentf63f338062e1d390330484412840467b0ec659b0 (diff)
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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.
Diffstat (limited to 'sysdeps/sh/crti.S')
-rw-r--r--sysdeps/sh/crti.S121
1 files changed, 121 insertions, 0 deletions
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: