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| author | Chung-Lin Tang <cltang@codesourcery.com> | 2015-01-17 22:29:12 -0800 |
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| committer | Chung-Lin Tang <cltang@codesourcery.com> | 2015-01-17 22:29:12 -0800 |
| commit | 522e6ee3b45808ea845ec0ac11d5fffcd737baba (patch) | |
| tree | 3d107705431599279416406a487cd8a905a372af /sysdeps/nios2/__longjmp.S | |
| parent | 026eb207eda8cc93f6f7f0980f0a8e51587d8011 (diff) | |
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Commit nios2 port to master.
Diffstat (limited to 'sysdeps/nios2/__longjmp.S')
| -rw-r--r-- | sysdeps/nios2/__longjmp.S | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sysdeps/nios2/__longjmp.S b/sysdeps/nios2/__longjmp.S new file mode 100644 index 0000000000..c5b7e1969e --- /dev/null +++ b/sysdeps/nios2/__longjmp.S @@ -0,0 +1,80 @@ +/* longjmp for Nios II. + Copyright (C) 2015 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> +#include <jmpbuf-offsets.h> + +/* __longjmp(jmpbuf, val) */ + +ENTRY (__longjmp) + mov r2, r5 + bne r5, zero, 1f + movi r2, 1 +1: +#ifdef PTR_DEMANGLE + PTR_MANGLE_GUARD (r3) + ldw r5, (JB_RA*4)(r4) + ldw r6, (JB_SP*4)(r4) + PTR_DEMANGLE (r5, r5, r3) + PTR_DEMANGLE (r6, r6, r3) +#endif + + cfi_def_cfa (r4, 0) + cfi_offset (r16, JB_R16*4) + cfi_offset (r17, JB_R17*4) + cfi_offset (r18, JB_R18*4) + cfi_offset (r19, JB_R19*4) + cfi_offset (r20, JB_R20*4) + cfi_offset (r21, JB_R21*4) + cfi_offset (r22, JB_R22*4) + cfi_offset (fp, JB_FP*4) +#ifdef PTR_DEMANGLE + cfi_register (ra, r5) + cfi_register (sp, r7) +#else + cfi_offset (ra, JB_RA*4) + cfi_offset (sp, JB_SP*4) +#endif + ldw r16, (JB_R16*4)(r4) + ldw r17, (JB_R17*4)(r4) + ldw r18, (JB_R18*4)(r4) + ldw r19, (JB_R19*4)(r4) + ldw r20, (JB_R20*4)(r4) + ldw r21, (JB_R21*4)(r4) + ldw r22, (JB_R22*4)(r4) + ldw fp, (JB_FP*4)(r4) +#ifdef PTR_DEMANGLE + mov ra, r5 + mov sp, r6 +#else + ldw ra, (JB_RA*4)(r4) + ldw sp, (JB_SP*4)(r4) +#endif + cfi_same_value (r16) + cfi_same_value (r17) + cfi_same_value (r18) + cfi_same_value (r19) + cfi_same_value (r20) + cfi_same_value (r21) + cfi_same_value (r22) + cfi_same_value (fp) + cfi_same_value (ra) + cfi_same_value (sp) + + ret +END (__longjmp) |