126 lines
3.0 KiB
ArmAsm
126 lines
3.0 KiB
ArmAsm
/* Copyright (C) 2000-2013 Free Software Foundation, Inc.
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This file was adapted from glibc sources.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* The code in sections .init and .fini is supposed to be a single
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regular function. The function in .init is called directly from
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start in crt1.S. The function in .fini is atexit()ed in crt1.S
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too.
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crti.S contributes the prologue of a function to these sections,
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and crtn.S comes up the epilogue. STARTFILE_SPEC should list
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crti.o before any other object files that might add code to .init
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or .fini sections, and ENDFILE_SPEC should list crtn.o after any
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such object files. */
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.section .init
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/* The alignment below can't be smaller, otherwise the mova below
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breaks. Yes, we might align just the label, but then we'd be
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exchanging an alignment here for one there, since the code fragment
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below ensures 4-byte alignment on __ELF__. */
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#ifdef __ELF__
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.p2align 2
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#else
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.p2align 1
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#endif
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.global _init
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_init:
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#if __SHMEDIA__
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addi r15, -16, r15
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st.q r15, 8, r14
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st.q r15, 0, r18
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add r15, r63, r14
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#elif __SH5__ && ! __SHMEDIA__
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mov r15,r0
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add #-8,r15
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mov.l r14,@-r0
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sts.l pr,@-r0
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mov r15,r14
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nop
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#else
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#ifdef __ELF__
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mov.l r12,@-r15
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mova 0f,r0
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mov.l 0f,r12
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#endif
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mov.l r14,@-r15
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#ifdef __ELF__
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add r0,r12
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#endif
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sts.l pr,@-r15
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#ifdef __ELF__
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bra 1f
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#endif
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mov r15,r14
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#ifdef __ELF__
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0: .long _GLOBAL_OFFSET_TABLE_
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1:
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#endif
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#endif /* __SHMEDIA__ */
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.section .fini
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/* The alignment below can't be smaller, otherwise the mova below
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breaks. Yes, we might align just the label, but then we'd be
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exchanging an alignment here for one there, since the code fragment
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below ensures 4-byte alignment on __ELF__. */
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#ifdef __ELF__
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.p2align 2
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#else
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.p2align 1
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#endif
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.global _fini
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_fini:
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#if __SHMEDIA__
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addi r15, -16, r15
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st.q r15, 8, r14
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st.q r15, 0, r18
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add r15, r63, r14
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#elif __SH5__ && ! __SHMEDIA__
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mov r15,r0
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add #-8,r15
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mov.l r14,@-r0
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sts.l pr,@-r0
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mov r15,r14
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nop
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#else
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#ifdef __ELF__
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mov.l r12,@-r15
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mova 0f,r0
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mov.l 0f,r12
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#endif
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mov.l r14,@-r15
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#ifdef __ELF__
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add r0,r12
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#endif
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sts.l pr,@-r15
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#ifdef __ELF__
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bra 1f
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#endif
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mov r15,r14
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#ifdef __ELF__
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0: .long _GLOBAL_OFFSET_TABLE_
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1:
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#endif
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#endif /* __SHMEDIA__ */
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