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author | Kaz Kojima <kkojima@rr.iij4u.or.jp> | 2012-02-16 07:17:24 +0900 |
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committer | Kaz Kojima <kkojima@rr.iij4u.or.jp> | 2012-02-16 07:17:24 +0900 |
commit | df83af673b1597bb6b96c855658931b989ec1551 (patch) | |
tree | 7a46d49359da140922fbb12be6bd197bce1ae03f /sysdeps/sh/crti.S | |
parent | f63f338062e1d390330484412840467b0ec659b0 (diff) | |
download | glibc-df83af673b1597bb6b96c855658931b989ec1551.zip glibc-df83af673b1597bb6b96c855658931b989ec1551.tar.gz glibc-df83af673b1597bb6b96c855658931b989ec1551.tar.bz2 |
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.S | 121 |
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: |