1/* A setjmp.c for Moxie 2 Copyright (C) 2009, 2019 Anthony Green 3 4 The authors hereby grant permission to use, copy, modify, distribute, 5 and license this software and its documentation for any purpose, provided 6 that existing copyright notices are retained in all copies and that this 7 notice is included verbatim in any distributions. No written agreement, 8 license, or royalty fee is required for any of the authorized uses. 9 Modifications to this software may be copyrighted by their authors 10 and need not follow the licensing terms described here, provided that 11 the new terms are clearly indicated on the first page of each file where 12 they apply. */ 13 14# setjmp/longjmp for moxie. The jmpbuf looks like this: 15# 16# Register jmpbuf offset 17# $r6 0x00 18# $r7 0x04 19# $r8 0x08 20# $r9 0x0c 21# $r10 0x10 22# $fp 0x14 23# $sp 0x18 24# stack frame fp 0x1c 25# stack frame ra 0x20 26# stack frame sc 0x25 27 28 .text 29 .global setjmp 30 .type setjmp,@function 31setjmp: 32 st.l ($r0), $r6 33 sto.l 0x04($r0), $r7 34 sto.l 0x08($r0), $r8 35 sto.l 0x0c($r0), $r9 36 sto.l 0x10($r0), $r10 37 sto.l 0x14($r0), $sp 38 sto.l 0x18($r0), $fp 39 ldo.l $r1, 0x00($fp) 40 sto.l 0x1c($r0), $r1 41 ldo.l $r1, 0x04($fp) 42 sto.l 0x20($r0), $r1 43 ldo.l $r1, 0x08($fp) 44 sto.l 0x24($r0), $r1 45 xor $r0, $r0 46 ret 47.Lend1: 48 .size setjmp,.Lend1-setjmp 49 50 .global longjmp 51 .type longjmp,@function 52longjmp: 53 ldo.l $r6, 0x00($r0) 54 ldo.l $r7, 0x04($r0) 55 ldo.l $r8, 0x08($r0) 56 ldo.l $r9, 0x0c($r0) 57 ldo.l $r10, 0x10($r0) 58 ldo.l $sp, 0x14($r0) 59 ldo.l $fp, 0x18($r0) 60 ldo.l $r2, 0x1c($r0) 61 sto.l 0x0($fp), $r2 62 ldo.l $r2, 0x20($r0) 63 sto.l 0x4($fp), $r2 64 ldo.l $r2, 0x24($r0) 65 sto.l 0x8($fp), $r2 66 ldo.l $r2, 0x08($r0) 67 mov $r0, $r1 68 xor $r2, $r2 69 cmp $r0, $r2 70 beq .Lreturn1 71 ret 72.Lreturn1: 73 inc $r0, 1 74 ret 75.Lend2: 76 .size longjmp,.Lend2-longjmp 77
