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0e7d930c4c
This code deals with the ARC ABI. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
67 lines
1.8 KiB
ArmAsm
67 lines
1.8 KiB
ArmAsm
/* setjmp for ARC.
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Copyright (C) 2020 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
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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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/* Upon entry r0 = jump buffer into which regs will be saved. */
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ENTRY (setjmp)
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b.d __sigsetjmp
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mov r1, 1 /* save signals. */
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END (setjmp)
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/* Upon entry r0 = jump buffer into which regs will be saved. */
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ENTRY (_setjmp)
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b.d __sigsetjmp
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mov r1, 0 /* don't save signals. */
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END (_setjmp)
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libc_hidden_def (_setjmp)
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/* Upon entry
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r0 = jump buffer into which regs will be saved
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r1 = do we need to save signals. */
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ENTRY (__sigsetjmp)
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/* Make a note of where longjmp will return to.
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that will be right next to this setjmp call-site in BLINK
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since "C" caller of this routine will do a branch-n-link. */
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STR (blink, r0, 0)
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STR (sp, r0, 1)
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STR (fp, r0, 2)
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STR (gp, r0, 3)
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STR (r13, r0, 4)
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STR (r14, r0, 5)
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STR (r15, r0, 6)
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STR (r16, r0, 7)
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STR (r17, r0, 8)
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STR (r18, r0, 9)
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STR (r19, r0, 10)
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STR (r20, r0, 11)
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STR (r21, r0, 12)
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STR (r22, r0, 13)
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STR (r23, r0, 14)
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STR (r24, r0, 15)
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b __sigjmp_save
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END (__sigsetjmp)
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libc_hidden_def (__sigsetjmp)
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