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88 lines
2.1 KiB
ArmAsm
88 lines
2.1 KiB
ArmAsm
/* Machine-specific calling sequence for `mcount' profiling function. SuperH
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Copyright (C) 2001-2020 Free Software Foundation, Inc.
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Contributed by NIIBE Yutaka <gniibe@m17n.org>
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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.globl C_SYMBOL_NAME(_mcount)
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.type C_SYMBOL_NAME(_mcount),@function
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cfi_startproc
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.align 5
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C_LABEL(_mcount)
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/* Save registers. */
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mov.l r4,@-r15
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r4, 0)
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mov.l r5,@-r15
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r5, 0)
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mov.l r6,@-r15
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r6, 0)
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mov.l r7,@-r15
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (r7, 0)
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sts.l pr,@-r15
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (pr, 0)
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mov.l @(20,r15),r4
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sts pr,r5
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#ifdef SHARED
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mov.l 0f,r1
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mova 0f,r0
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add r1,r0
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mov.l 1f,r1
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mov.l @(r0,r1),r1
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#else
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mov.l 1f,r1
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#endif
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jsr @r1
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nop
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/* Pop the saved registers. */
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lds.l @r15+,pr
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cfi_adjust_cfa_offset (-4)
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cfi_restore (pr)
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mov.l @r15+,r7
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cfi_adjust_cfa_offset (-4)
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cfi_restore (r7)
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mov.l @r15+,r6
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cfi_adjust_cfa_offset (-4)
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cfi_restore (r6)
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mov.l @r15+,r5
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cfi_adjust_cfa_offset (-4)
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cfi_restore (r5)
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rts
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mov.l @r15+,r4
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/* Omit CFI for restore in delay slot. */
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.align 2
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#ifdef SHARED
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0: .long _GLOBAL_OFFSET_TABLE_
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1: .long C_SYMBOL_NAME(__mcount_internal)@GOT
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#else
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1: .long C_SYMBOL_NAME(__mcount_internal)
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#endif
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cfi_endproc
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ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount))
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#undef mcount
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weak_alias (_mcount, mcount)
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