diff options
Diffstat (limited to 'package/aboot/src/lib/_longjmp.S')
| -rw-r--r-- | package/aboot/src/lib/_longjmp.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/package/aboot/src/lib/_longjmp.S b/package/aboot/src/lib/_longjmp.S new file mode 100644 index 000000000..19b27a33c --- /dev/null +++ b/package/aboot/src/lib/_longjmp.S @@ -0,0 +1,61 @@ +/* + * Copyright (c) 1995 David Mosberger (davidm@cs.arizona.edu) + */ +#include <setjmp.h> +#include "system.h" + + .extern printf + + .globl _longjmp + .ent _longjmp + +_longjmp: + ldgp $29, 0($27) + + mov $17, $0 + lda $1, JBMAGIC & 0xffff + ldah $1, ((JBMAGIC >> 16) & 0xffff)($1) + cmoveq $0, 1, $0 # ensure $0 != 0 + + ldq $2, JB_MAGIC($16) + subq $1, $2, $1 + ldq $30, JB_SP($16) + bne $1, bad_magic + + ldq $9, JB_S0($16) + ldq $10, JB_S1($16) + ldq $11, JB_S2($16) + ldq $12, JB_S3($16) + ldq $13, JB_S4($16) + ldq $14, JB_S5($16) + ldq $15, JB_S6($16) + ldq $29, JB_GP($16) + ldq $26, JB_RA($16) +#ifdef FPU + ldt $f2, JB_F2($16) + ldt $f3, JB_F3($16) + ldt $f4, JB_F4($16) + ldt $f5, JB_F5($16) + ldt $f6, JB_F6($16) + ldt $f7, JB_F7($16) + ldt $f8, JB_F8($16) + ldt $f9, JB_F9($16) +#endif + ret ($26) + + .data +error_msg: +#ifdef __osf__ + .asciiz "_longjmp: bad magic number" +#else + .asciz "_longjmp: bad magic number" +#endif + + .text +bad_magic: + lda $16, error_msg + lda $27, printf + jsr $27, printf + call_pal PAL_halt + + .end _longjmp |