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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [mt/] [setjmp.S] - Blame information for rev 831

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Line No.	Rev	Author	Line
1	148	jeremybenn	`# setjmp/longjmp for mt.`
2			`#`
3			`# The jmpbuf looks like this:`
4			`#`
5			`# Register jmpbuf offset`
6			`# R0 --- --`
7			`# R1 0x4 4`
8			`# R2 0x8 8`
9			`# R3 0xc 12`
10			`# R4 0x10 16`
11			`# R5 0x14 20`
12			`# R6 0x18 24`
13			`# R7 0x1c 28`
14			`# R8 0x20 32`
15			`# R9 ---- --`
16			`# R10 ---- --`
17			`# R11 0x2c 44`
18			`# R12 0x30 48`
19			`# R13 0x34 52`
20			`# R14 0x38 56`
21			`# R15 0x3c 60`
22			`#`
23			`# R1 contains the pointer to jmpbuf`
24			`.text`
25			`.global setjmp`
26			`.type setjmp ,@function`
27			`setjmp:`
28
29			`stw r1, r1, #4`
30			`or r0, r0, r0`
31			`stw r2, r1, #8`
32			`or r0, r0, r0`
33			`stw r3, r1, #12`
34			`or r0, r0, r0`
35			`stw r4, r1, #16`
36			`or r0, r0, r0`
37			`stw r5, r1, #20`
38			`or r0, r0, r0`
39			`stw r6, r1, #24`
40			`or r0, r0, r0`
41			`stw r7, r1, #28`
42			`or r0, r0, r0`
43			`stw r8, r1, #32`
44			`or r0, r0, r0`
45			`stw r11, r1, #44`
46			`or r0, r0, r0`
47			`stw r12, r1, #48`
48			`or r0, r0, r0`
49			`stw r13, r1, #52`
50			`or r0, r0, r0`
51			`stw r14, r1, #56`
52			`or r0, r0, r0`
53			`stw r15, r1, #60`
54
55			`jal r0, r14`
56			`addi r11, r0, #0`
57			`.Lend1:`
58			`.size setjmp,.Lend1-setjmp`
59
60			`.global longjmp`
61			`.type longjmp,@function`
62			`longjmp:`
63			`or r9, r1, r1`
64			`or r11, r2, r2`
65			`ldw r1, r1, #4`
66			`or r0, r0, r0`
67			`ldw r2, r1, #8`
68			`or r0, r0, r0`
69			`ldw r3, r1, #12`
70			`or r0, r0, r0`
71			`ldw r4, r1, #16`
72			`or r0, r0, r0`
73			`ldw r5, r1, #20`
74			`or r0, r0, r0`
75			`ldw r6, r1, #24`
76			`or r0, r0, r0`
77			`ldw r7, r1, #28`
78			`or r0, r0, r0`
79			`ldw r8, r1, #32`
80			`or r0, r0, r0`
81
82
83			`ldw r12, r1, #48`
84			`or r0, r0, r0`
85			`ldw r13, r1, #52`
86			`or r0, r0, r0`
87			`ldw r14, r1, #56`
88			`or r0, r0, r0`
89			`ldw r15, r1, #60`
90
91			`brne r0, r11, .L01`
92			`or r0, r0, r0`
93
94			`addi r11, r0, #1`
95			`.L01:`
96			`jal r0, r14`
97			`or r0, r0, r0`
98			`.Lend2:`
99			`.size longjmp,.Lend2-longjmp2`

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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [mt/] [setjmp.S] - Blame information for rev 831