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/* A setjmp.c for Moxie
Copyright (C) 2009 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
# $r0 0x00
# $r1 0x04
# $r2 0x08
# $r3 0x0c
# $r4 0x10
# $r5 0x14
# $r6 0x18
# $r7 0x1c
# $r8 0x20
# $r9 0x24
# $r10 0x28
# $r11 0x2c
# $r12 0x30
# $r13 0x34
# $fp 0x38
# $sp 0x3c
.text
.global setjmp
.type setjmp,@function
setjmp:
st.l ($r0), $r0
sto.l 0x04($r0), $r1
sto.l 0x08($r0), $r2
sto.l 0x0c($r0), $r3
sto.l 0x10($r0), $r4
sto.l 0x14($r0), $r5
sto.l 0x18($r0), $r6
sto.l 0x1c($r0), $r7
sto.l 0x20($r0), $r8
sto.l 0x24($r0), $r9
sto.l 0x28($r0), $r10
sto.l 0x2c($r0), $r11
sto.l 0x30($r0), $r12
sto.l 0x34($r0), $r13
sto.l 0x38($r0), $sp
sto.l 0x3c($r0), $fp
ldi.l $r0, 0x00
ret
.Lend1:
.size setjmp,.Lend1-setjmp
.global longjmp
.type longjmp,@function
longjmp:
ldi.l $r2, 0x00
cmp $r1, $r2
beq .Lreturn1
ldo.l $r1, 0x04($r0)
ldo.l $r2, 0x08($r0)
ldo.l $r3, 0x0c($r0)
ldo.l $r4, 0x10($r0)
ldo.l $r5, 0x14($r0)
ldo.l $r6, 0x18($r0)
ldo.l $r7, 0x1c($r0)
ldo.l $r8, 0x20($r0)
ldo.l $r9, 0x24($r0)
ldo.l $r10, 0x28($r0)
ldo.l $r11, 0x2c($r0)
ldo.l $r12, 0x30($r0)
ldo.l $r13, 0x34($r0)
ldo.l $sp, 0x38($r0)
ldo.l $fp, 0x3c($r0)
mov $r0, $r1
ret
.Lreturn1:
ldo.l $r1, 0x04($r0)
ldo.l $r2, 0x08($r0)
ldo.l $r3, 0x0c($r0)
ldo.l $r4, 0x10($r0)
ldo.l $r5, 0x14($r0)
ldo.l $r6, 0x18($r0)
ldo.l $r7, 0x1c($r0)
ldo.l $r8, 0x20($r0)
ldo.l $r9, 0x24($r0)
ldo.l $r10, 0x28($r0)
ldo.l $r11, 0x2c($r0)
ldo.l $r12, 0x30($r0)
ldo.l $r13, 0x34($r0)
ldo.l $sp, 0x38($r0)
ldo.l $fp, 0x3c($r0)
ldi.l $r0, 0x01
ret
.Lend2:
.size longjmp,.Lend2-longjmp
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