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/* A setjmp.c for Moxie
Copyright (C) 2009, 2019 Anthony Green
The authors hereby grant permission to use, copy, modify, distribute,
and license this software and its documentation for any purpose, provided
that existing copyright notices are retained in all copies and that this
notice is included verbatim in any distributions. No written agreement,
license, or royalty fee is required for any of the authorized uses.
Modifications to this software may be copyrighted by their authors
and need not follow the licensing terms described here, provided that
the new terms are clearly indicated on the first page of each file where
they apply. */
# setjmp/longjmp for moxie. The jmpbuf looks like this:
#
# Register jmpbuf offset
# $r6 0x00
# $r7 0x04
# $r8 0x08
# $r9 0x0c
# $r10 0x10
# $fp 0x14
# $sp 0x18
# stack frame fp 0x1c
# stack frame ra 0x20
# stack frame sc 0x25
.text
.global setjmp
.type setjmp,@function
setjmp:
st.l ($r0), $r6
sto.l 0x04($r0), $r7
sto.l 0x08($r0), $r8
sto.l 0x0c($r0), $r9
sto.l 0x10($r0), $r10
sto.l 0x14($r0), $sp
sto.l 0x18($r0), $fp
ldo.l $r1, 0x00($fp)
sto.l 0x1c($r0), $r1
ldo.l $r1, 0x04($fp)
sto.l 0x20($r0), $r1
ldo.l $r1, 0x08($fp)
sto.l 0x24($r0), $r1
xor $r0, $r0
ret
.Lend1:
.size setjmp,.Lend1-setjmp
.global longjmp
.type longjmp,@function
longjmp:
ldo.l $r6, 0x00($r0)
ldo.l $r7, 0x04($r0)
ldo.l $r8, 0x08($r0)
ldo.l $r9, 0x0c($r0)
ldo.l $r10, 0x10($r0)
ldo.l $sp, 0x14($r0)
ldo.l $fp, 0x18($r0)
ldo.l $r2, 0x1c($r0)
sto.l 0x0($fp), $r2
ldo.l $r2, 0x20($r0)
sto.l 0x4($fp), $r2
ldo.l $r2, 0x24($r0)
sto.l 0x8($fp), $r2
ldo.l $r2, 0x08($r0)
mov $r0, $r1
xor $r2, $r2
cmp $r0, $r2
beq .Lreturn1
ret
.Lreturn1:
inc $r0, 1
ret
.Lend2:
.size longjmp,.Lend2-longjmp
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