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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [machine/] [mips/] [setjmp.S] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	39	lampret	`/* This is a simple version of setjmp and longjmp.`
2
3			`This version does NOT save the floating point register, which is`
4			`wrong, but I don't know how to cleanly handle machines without a`
5			`floating point coprocessor.`
6
7			`Ian Lance Taylor, Cygnus Support, 13 May 1993. */`
8
9			`#ifdef __mips16`
10			`/* This file contains 32 bit assembly code. */`
11			`.set nomips16`
12			`#endif`
13
14			`/* int setjmp (jmp_buf); */`
15			`.globl setjmp`
16			`.ent setjmp`
17			`setjmp:`
18			`.frame $sp,0,$31`
19
20			`sw $16,0($4) /* $s0 */`
21			`sw $17,4($4) /* $s1 */`
22			`sw $18,8($4) /* $s2 */`
23			`sw $19,12($4) /* $s3 */`
24			`sw $20,16($4) /* $s4 */`
25			`sw $21,20($4) /* $s5 */`
26			`sw $22,24($4) /* $s6 */`
27			`sw $23,28($4) /* $s7 */`
28			`sw $30,32($4) /* $s8 */`
29
30			`sw $sp,36($4)`
31			`sw $31,40($4)`
32
33			`move $2,$0`
34
35			`j $31`
36
37			`.end setjmp`
38
39			`/* volatile void longjmp (jmp_buf, int); */`
40			`.globl longjmp`
41			`.ent longjmp`
42			`longjmp:`
43			`.frame $sp,0,$31`
44
45			`lw $16,0($4) /* $s0 */`
46			`lw $17,4($4) /* $s1 */`
47			`lw $18,8($4) /* $s2 */`
48			`lw $19,12($4) /* $s3 */`
49			`lw $20,16($4) /* $s4 */`
50			`lw $21,20($4) /* $s5 */`
51			`lw $22,24($4) /* $s6 */`
52			`lw $23,28($4) /* $s7 */`
53			`lw $30,32($4) /* $s8 */`
54
55			`lw $sp,36($4)`
56			`lw $31,40($4)`
57
58			`bne $5,$0,1f`
59			`li $5,1`
60			`1:`
61			`move $2,$5`
62
63			`j $31`
64
65			`.end longjmp`