aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/sh/elf/initfini.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/sh/elf/initfini.c')
-rw-r--r--sysdeps/sh/elf/initfini.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/sysdeps/sh/elf/initfini.c b/sysdeps/sh/elf/initfini.c
new file mode 100644
index 0000000000..0660c2cd8c
--- /dev/null
+++ b/sysdeps/sh/elf/initfini.c
@@ -0,0 +1,151 @@
+/* Special .init and .fini section support for SH.
+ Copyright (C) 2000 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__ ("
+
+#include \"defs.h\"
+#define SHARED
+
+/*@HEADER_ENDS*/
+
+/*@TESTS_BEGIN*/
+
+/*@TESTS_END*/
+
+/*@_init_PROLOG_BEGINS*/
+ .section .init
+ .align 5
+ .global _init
+ .type _init,@function
+_init:
+ mov.l r12,@-r15
+ mov.l r14,@-r15
+ sts.l pr,@-r15
+#ifdef SHARED
+ mova .L22,r0
+ mov.l .L22,r12
+ add r0,r12
+ mova .L23,r0
+ mov.l .L23,r1
+ add r0,r1
+#else
+ mov.l .L23,r1
+#endif
+ jsr @r1
+ mov r15,r14
+ bra 1f
+ nop
+ .align 2
+#ifdef SHARED
+.L22:
+ .long _GLOBAL_OFFSET_TABLE_
+.L23:
+ .long __gmon_start__@PLT
+#else
+.L23:
+ .long __gmon_start__
+#endif
+1:
+ ALIGN
+ END_INIT
+
+
+/*@_init_PROLOG_ENDS*/
+
+/*@_init_EPILOG_BEGINS*/
+ .section .init
+ mov r14,r15
+ lds.l @r15+,pr
+ mov.l @r15+,r14
+ rts
+ mov.l @r15+,r12
+ END_INIT
+ .section .text
+ .align 5
+ .weak __gmon_start__
+ .type __gmon_start__,@function
+__gmon_start__:
+ mov.l r14,@-r15
+ mov r15,r14
+ mov r14,r15
+ rts
+ mov.l @r15+,r14
+
+/*@_init_EPILOG_ENDS*/
+
+/*@_fini_PROLOG_BEGINS*/
+ .section .fini
+ .align 5
+ .global _fini
+ .type _fini,@function
+_fini:
+ mov.l r12,@-$r15
+ mov.l r14,@-r15
+ sts.l pr,@-r15
+#ifdef SHARED
+ mova .L27,r0
+ mov.l .L27,r12
+ add r0,r12
+#endif
+ mov r15,r14
+ ALIGN
+ END_FINI
+#ifdef SHARED
+ bra 1f
+ nop
+ .align 2
+.L27:
+ .long _GLOBAL_OFFSET_TABLE_
+#endif
+1:
+/*@_fini_PROLOG_ENDS*/
+
+/*@_fini_EPILOG_BEGINS*/
+ .section .fini
+ mov r14,r15
+ lds.l @r15+,pr
+ mov.l @r15+,r14
+ rts
+ mov.l @r15+,r12
+
+ END_FINI
+
+/*@_fini_EPILOG_ENDS*/
+
+/*@TRAILER_BEGINS*/
+");