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-rw-r--r--sysdeps/tile/crti.S124
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diff --git a/sysdeps/tile/crti.S b/sysdeps/tile/crti.S
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-/* Special .init and .fini section support for tile.
- Copyright (C) 2012-2016 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, hw2_last(_GLOBAL_OFFSET_TABLE_ - 0b)
- {
- shl16insli r1, r1, hw1(_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
- jalr r0
-#elif defined(__tilegx__) && !defined(NO_PLT_PCREL)
- /* Since we are calling from the start of the object to the PLT,
- call by loading the full address into a register. */
- lnk r2
-0:
- moveli r0, hw2_last_plt(PREINIT_FUNCTION - 0b)
- shl16insli r0, r0, hw1_plt(PREINIT_FUNCTION - 0b)
- shl16insli r0, r0, hw0_plt(PREINIT_FUNCTION - 0b)
- add r0, r0, r2
- jalr r0
-#else
- jal plt(PREINIT_FUNCTION)
-#endif
-.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