diff options
Diffstat (limited to 'sysdeps/arc/__longjmp.S')
| -rw-r--r-- | sysdeps/arc/__longjmp.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/arc/__longjmp.S b/sysdeps/arc/__longjmp.S new file mode 100644 index 0000000000..fcbf1bb6c0 --- /dev/null +++ b/sysdeps/arc/__longjmp.S @@ -0,0 +1,49 @@ +/* longjmp for ARC. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include <jmpbuf-offsets.h> + +/* @ r0 = jump buffer from which regs will be restored + @ r1 = value that setjmp( ) will return due to this longjmp. */ + +ENTRY (__longjmp) + + LDR (blink, r0, 0) + LDR (sp, r0, 1) + LDR (fp, r0, 2) + LDR (gp, r0, 3) + + LDR (r13, r0, 4) + LDR (r14, r0, 5) + LDR (r15, r0, 6) + LDR (r16, r0, 7) + LDR (r17, r0, 8) + LDR (r18, r0, 9) + LDR (r19, r0, 10) + LDR (r20, r0, 11) + LDR (r21, r0, 12) + LDR (r22, r0, 13) + LDR (r23, r0, 14) + LDR (r24, r0, 15) + + mov.f r0, r1 + j.d [blink] + mov.z r0, 1 /* don't return 0 to setjmp callsite from longjmp. */ + +END (__longjmp) |