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81 lines
2.0 KiB
ArmAsm
81 lines
2.0 KiB
ArmAsm
/* longjmp for Nios II.
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Copyright (C) 2015 Free Software Foundation, Inc.
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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 License as
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published by the Free Software Foundation; either version 2.1 of the
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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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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <jmpbuf-offsets.h>
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/* __longjmp(jmpbuf, val) */
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ENTRY (__longjmp)
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mov r2, r5
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bne r5, zero, 1f
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movi r2, 1
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1:
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#ifdef PTR_DEMANGLE
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PTR_MANGLE_GUARD (r3)
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ldw r5, (JB_RA*4)(r4)
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ldw r6, (JB_SP*4)(r4)
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PTR_DEMANGLE (r5, r5, r3)
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PTR_DEMANGLE (r6, r6, r3)
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#endif
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cfi_def_cfa (r4, 0)
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cfi_offset (r16, JB_R16*4)
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cfi_offset (r17, JB_R17*4)
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cfi_offset (r18, JB_R18*4)
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cfi_offset (r19, JB_R19*4)
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cfi_offset (r20, JB_R20*4)
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cfi_offset (r21, JB_R21*4)
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cfi_offset (r22, JB_R22*4)
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cfi_offset (fp, JB_FP*4)
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#ifdef PTR_DEMANGLE
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cfi_register (ra, r5)
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cfi_register (sp, r7)
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#else
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cfi_offset (ra, JB_RA*4)
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cfi_offset (sp, JB_SP*4)
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#endif
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ldw r16, (JB_R16*4)(r4)
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ldw r17, (JB_R17*4)(r4)
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ldw r18, (JB_R18*4)(r4)
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ldw r19, (JB_R19*4)(r4)
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ldw r20, (JB_R20*4)(r4)
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ldw r21, (JB_R21*4)(r4)
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ldw r22, (JB_R22*4)(r4)
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ldw fp, (JB_FP*4)(r4)
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#ifdef PTR_DEMANGLE
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mov ra, r5
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mov sp, r6
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#else
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ldw ra, (JB_RA*4)(r4)
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ldw sp, (JB_SP*4)(r4)
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#endif
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cfi_same_value (r16)
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cfi_same_value (r17)
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cfi_same_value (r18)
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cfi_same_value (r19)
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cfi_same_value (r20)
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cfi_same_value (r21)
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cfi_same_value (r22)
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cfi_same_value (fp)
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cfi_same_value (ra)
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cfi_same_value (sp)
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ret
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END (__longjmp)
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