--- /dev/null
+/* Special .init and .fini section support for tile.
+ Copyright (C) 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
+
+ .section .init,"ax",@progbits
+ .align 8
+ .globl _init
+ .type _init, @function
+_init:
+ {
+ move r29, sp
+ ADDI_PTR r28, sp, -REGSIZE
+ ST sp, lr
+ }
+ ADDI_PTR sp, sp, -(2 * REGSIZE)
+ ST r28, r29
+#if PREINIT_FUNCTION_WEAK
+ lnk r2
+0:
+#ifdef __tilegx__
+ {
+ moveli r1, hw1_last(_GLOBAL_OFFSET_TABLE_ - 0b)
+ moveli r0, hw1_last_got(PREINIT_FUNCTION)
+ }
+ {
+ shl16insli r1, r1, hw0(_GLOBAL_OFFSET_TABLE_ - 0b)
+ shl16insli r0, r0, hw0_got(PREINIT_FUNCTION)
+ }
+#else
+ {
+ moveli r1, lo16(_GLOBAL_OFFSET_TABLE_ - 0b)
+ moveli r0, got_lo16(PREINIT_FUNCTION)
+ }
+ {
+ auli r1, r1, ha16(_GLOBAL_OFFSET_TABLE_ - 0b)
+ auli r0, r0, got_ha16(PREINIT_FUNCTION)
+ }
+#endif
+ ADD_PTR r0, r0, r1
+ ADD_PTR r0, r0, r2
+ LD_PTR r0, r0
+ BEQZ r0, .Lno_weak_fn
+#endif
+ jal plt(PREINIT_FUNCTION)
+.Lno_weak_fn:
+
+ .section .fini,"ax",@progbits
+ .align 8
+ .globl _fini
+ .type _fini, @function
+_fini:
+ {
+ move r29, sp
+ ADDI_PTR r28, sp, -REGSIZE
+ ST sp, lr
+ }
+ ADDI_PTR sp, sp, -(2 * REGSIZE)
+ ST r28, r29
--- /dev/null
+/* Special .init and .fini section support for tile.
+ Copyright (C) 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. */
+
+#include <sysdep.h>
+
+ .section .init,"ax",@progbits
+ ADDI_PTR r29, sp, (2 * REGSIZE)
+ {
+ ADDI_PTR sp, sp, (2 * REGSIZE)
+ LD lr, r29
+ }
+ jrp lr
+
+ .section .fini,"ax",@progbits
+ ADDI_PTR r29, sp, (2 * REGSIZE)
+ {
+ ADDI_PTR sp, sp, (2 * REGSIZE)
+ LD lr, r29
+ }
+ jrp lr
projects / platform / upstream / glibc.git / commitdiff