65 lines
2.5 KiB
ArmAsm
65 lines
2.5 KiB
ArmAsm
# (C) Copyright IBM Corp. 2005, 2006
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of IBM nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# This file just makes sure that the .fini and .init sections do in
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# fact return. Users may put any desired instructions in those sections.
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# This file is the last thing linked into any executable.
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# Note - this macro is complimented by the FUNC_START macro
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# in crti.S. If you change this macro you must also change
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# that macro match.
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#
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# Note - we do not try any fancy optimisations of the return
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# sequences here, it is just not worth it. Instead keep things
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# simple. The link register is restored and then the correct
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# function return instruction is performed.
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.macro FUNC_END
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ai $sp, $sp, 32
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lqd $lr, 16($sp)
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bi $lr
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.endm
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.file "crtn.S"
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.section ".init"
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FUNC_END
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.section ".fini"
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FUNC_END
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# To ensure nothing is linked at address 0, provide a dummy
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# .interrupt section. This is in crtn.S to make sure any
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# user-provided real .interrupt section will get linked
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# in front of this dummy.
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.section ".interrupt","ax"
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.align 2
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heq $0,$0
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# end of crtn.S
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