diff options
Diffstat (limited to 'sysdeps/csky/abiv2/__longjmp.S')
| -rw-r--r-- | sysdeps/csky/abiv2/__longjmp.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/sysdeps/csky/abiv2/__longjmp.S b/sysdeps/csky/abiv2/__longjmp.S new file mode 100644 index 0000000000..cef4d830b6 --- /dev/null +++ b/sysdeps/csky/abiv2/__longjmp.S @@ -0,0 +1,61 @@ +/* longjmp for C-SKY ABIV2. + Copyright (C) 2018 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 + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +ENTRY (__longjmp) + mov a2, a0 + mov a0, a1 /* Get the return value in place. */ + cmpnei a0, 0 + bt have_return + movi a0, 1 /* Can't let setjmp() return zero! */ +have_return: +#ifdef CHECK_SP + ldw r10, (a2, 0) /* Jmpbuf's sp. */ +# ifdef PTR_MANGLE + PTR_DEMANGLE (r10, r10, a3) +# endif + CHECK_SP (r10) +#endif + ldw sp, (a2, 0) + ldw lr, (a2, 4) + ldw r4, (a2, 8) + ldw r5, (a2, 12) + ldw r6, (a2, 16) + ldw r7, (a2, 20) + ldw r8, (a2, 24) + ldw r9, (a2, 28) + ldw r10, (a2, 32) + ldw r11, (a2, 36) + ldw r16, (a2, 40) + ldw r17, (a2, 44) + ldw r26, (a2, 48) + ldw r27, (a2, 52) + ldw r28, (a2, 56) + ldw r29, (a2, 60) + ldw r30, (a2, 64) + ldw r31, (a2, 68) + addi a2, 72 + +#ifdef PTR_MANGLE + PTR_DEMANGLE (sp, sp, a3) + PTR_DEMANGLE2 (lr, lr, a3) +#endif + jmp lr + +END (__longjmp) |