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| author | Stafford Horne <shorne@gmail.com> | 2021-10-20 06:47:26 +0900 |
|---|---|---|
| committer | Stafford Horne <shorne@gmail.com> | 2022-01-05 06:40:05 +0900 |
| commit | 6e5964311d57c017ed0af3d87095e54805f2541e (patch) | |
| tree | 4051701820df33ddd05c3451f88b475b8f5dbdfc /sysdeps/or1k/__longjmp.S | |
| parent | 9dde3a24f132090fa8f88d6eaa2bc4c48f2e942f (diff) | |
| download | glibc-6e5964311d57c017ed0af3d87095e54805f2541e.zip glibc-6e5964311d57c017ed0af3d87095e54805f2541e.tar.gz glibc-6e5964311d57c017ed0af3d87095e54805f2541e.tar.bz2 | |
or1k: ABI Implementation
This code deals with the OpenRISC ABI.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/or1k/__longjmp.S')
| -rw-r--r-- | sysdeps/or1k/__longjmp.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/or1k/__longjmp.S b/sysdeps/or1k/__longjmp.S new file mode 100644 index 0000000..e7f6313 --- /dev/null +++ b/sysdeps/or1k/__longjmp.S @@ -0,0 +1,50 @@ +/* longjmp, OpenRISC version. + Copyright (C) 2022 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#define _ASM +#define _SETJMP_H +#include <bits/setjmp.h> + +ENTRY (__longjmp) + l.lwz r1, 0(r3) + l.lwz r2, 4(r3) + + /* if r4 is 0, something wrong, so set it to 1 */ + l.sfeqi r4, 0x0 + l.bnf 1f /* r4 != 0, longjmp value sensible */ + l.nop + l.ori r4, r0, 0x1 /* make nonzero */ +1: + l.addi r11, r4, 0 + l.lwz r9, 8(r3) + l.lwz r10, 12(r3) + l.lwz r14, 16(r3) + l.lwz r16, 20(r3) + l.lwz r18, 24(r3) + l.lwz r20, 28(r3) + l.lwz r22, 32(r3) + l.lwz r24, 36(r3) + l.lwz r26, 40(r3) + l.lwz r28, 44(r3) + l.lwz r30, 48(r3) + l.jr r9 + l.nop +END (__longjmp) +libc_hidden_def (__longjmp) |