diff options
Diffstat (limited to 'libc/sysdeps/linux/kvx/__longjmp.S')
| -rw-r--r-- | libc/sysdeps/linux/kvx/__longjmp.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/kvx/__longjmp.S b/libc/sysdeps/linux/kvx/__longjmp.S new file mode 100644 index 000000000..fbfefe81c --- /dev/null +++ b/libc/sysdeps/linux/kvx/__longjmp.S @@ -0,0 +1,53 @@ +/* + * This file is subject to the terms and conditions of the LGPL V2.1 + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2018 Kalray Inc. + */ + +#include <sysdep.h> +#define _SETJMP_H +#define _ASM +#include <bits/setjmp.h> +#include <libc-symbols.h> + +/** + * void __longjmp(__jmp_buf __env, int __val) + */ +ENTRY(__longjmp) + /* Load $ra and $csinto r40r41 */ + lq $r40r41 = JMPBUF_RA_CS_OFFSET[$r0] + ;; + /* Load $r36r37r38r39 with r12(sp) r14 r18 r19 */ + lo $r36r37r38r39 = (JMPBUF_REGS_OFFSET)[$r0] + set $ra = $r40 + ;; + /* Load $lc, $le and $ls */ + lo $r32r33r34r35 = JMPBUF_LC_LE_LS_OFFSET[$r0] + copyd $sp = $r36 + copyd $r14 = $r37 + set $cs = $r41 + ;; + /* Load r20r21r22r23 */ + lo $r20r21r22r23 = (JMPBUF_REGS_OFFSET + QUAD_REG_SIZE)[$r0] + copyd $r18 = $r38 + copyd $r19 = $r39 + set $lc = $r32 + ;; + /* Load r24r25r26r27 */ + lo $r24r25r26r27 = (JMPBUF_REGS_OFFSET + 2 * QUAD_REG_SIZE)[$r0] + set $le = $r33 + ;; + /* Load r28r29r30r31 */ + lo $r28r29r30r31 = (JMPBUF_REGS_OFFSET + 3 * QUAD_REG_SIZE)[$r0] + set $ls = $r34 + /* Copy retval */ + copyd $r0 = $r1 + ;; + /* According to man, if retval is equal to 0, then we should return 1 */ + cmoved.deqz $r0? $r0 = 1 + ret + ;; +END(__longjmp) +libc_hidden_def(__longjmp) |