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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [machine/] [m68k/] [setjmp.S] - Blame information for rev 1773

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/* These are predefined by new versions of GNU cpp.  */
 
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__ _
#endif
 
#ifndef __REGISTER_PREFIX__
#define __REGISTER_PREFIX__
#endif
 
/* ANSI concatenation macros.  */
 
#define CONCAT1(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
 
/* Use the right prefix for global labels.  */
 
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
 
/* Use the right prefix for registers.  */
 
#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
 
#define d0 REG (d0)
#define d1 REG (d1)
#define d2 REG (d2)
#define d3 REG (d3)
#define d4 REG (d4)
#define d5 REG (d5)
#define d6 REG (d6)
#define d7 REG (d7)
#define a0 REG (a0)
#define a1 REG (a1)
#define a2 REG (a2)
#define a3 REG (a3)
#define a4 REG (a4)
#define a5 REG (a5)
#define a6 REG (a6)
#define fp REG (fp)
#define sp REG (sp)
 
.global SYM (setjmp)
.global SYM (longjmp)
 
SYM (setjmp):
        moveal sp@(4),a0
        movel sp@(0),a0@(12)
        movel sp,a0@(8)
        moveml d2-d7/a2-a6,a0@(20)
        clrl d0
        rts
 
SYM (longjmp):
        moveal sp@(4),a0
        movel sp@(8),d0
        bne 1f
        movel &1,d0
1:
        moveml a0@(20),d2-d7/a2-a6
        moveal a0@(8),sp
        movel a0@(12),sp@
        rts
 
#ifdef M68881
.global SYM (setjmp_68881)
.global SYM (longjmp_68881)
 
SYM (setjmp_68881):
        moveal sp@(4),a0
        movel sp@(0),a0@(12)
        movel sp,a0@(8)
        moveml d2-d7/a2-a6,a0@(20)
        fmovemx fp2-fp7,a0@(64)
        clrl d0
        rts
 
SYM (longjmp_68881):
        moveal sp@(4),a0
        fmovemx a0@(64),fp2-fp7
        movel sp@(8),d0
        bne 1f
        movel &1,d0
1:
        moveml a0@(20),d2-d7/a2-a6
        moveal a0@(8),sp
        movel a0@(12),sp@
        rts
#endif

Line No.	Rev	Author	Line
1	1008	ivang	`/* These are predefined by new versions of GNU cpp. */`
2
3			`#ifndef __USER_LABEL_PREFIX__`
4			`#define __USER_LABEL_PREFIX__ _`
5			`#endif`
6
7			`#ifndef __REGISTER_PREFIX__`
8			`#define __REGISTER_PREFIX__`
9			`#endif`
10
11			`/* ANSI concatenation macros. */`
12
13			`#define CONCAT1(a, b) CONCAT2(a, b)`
14			`#define CONCAT2(a, b) a ## b`
15
16			`/* Use the right prefix for global labels. */`
17
18			`#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)`
19
20			`/* Use the right prefix for registers. */`
21
22			`#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)`
23
24			`#define d0 REG (d0)`
25			`#define d1 REG (d1)`
26			`#define d2 REG (d2)`
27			`#define d3 REG (d3)`
28			`#define d4 REG (d4)`
29			`#define d5 REG (d5)`
30			`#define d6 REG (d6)`
31			`#define d7 REG (d7)`
32			`#define a0 REG (a0)`
33			`#define a1 REG (a1)`
34			`#define a2 REG (a2)`
35			`#define a3 REG (a3)`
36			`#define a4 REG (a4)`
37			`#define a5 REG (a5)`
38			`#define a6 REG (a6)`
39			`#define fp REG (fp)`
40			`#define sp REG (sp)`
41
42			`.global SYM (setjmp)`
43			`.global SYM (longjmp)`
44
45			`SYM (setjmp):`
46			`moveal sp@(4),a0`
47			`movel sp@(0),a0@(12)`
48			`movel sp,a0@(8)`
49			`moveml d2-d7/a2-a6,a0@(20)`
50			`clrl d0`
51			`rts`
52
53			`SYM (longjmp):`
54			`moveal sp@(4),a0`
55			`movel sp@(8),d0`
56			`bne 1f`
57			`movel &1,d0`
58			`1:`
59			`moveml a0@(20),d2-d7/a2-a6`
60			`moveal a0@(8),sp`
61			`movel a0@(12),sp@`
62			`rts`
63
64			`#ifdef M68881`
65			`.global SYM (setjmp_68881)`
66			`.global SYM (longjmp_68881)`
67
68			`SYM (setjmp_68881):`
69			`moveal sp@(4),a0`
70			`movel sp@(0),a0@(12)`
71			`movel sp,a0@(8)`
72			`moveml d2-d7/a2-a6,a0@(20)`
73			`fmovemx fp2-fp7,a0@(64)`
74			`clrl d0`
75			`rts`
76
77			`SYM (longjmp_68881):`
78			`moveal sp@(4),a0`
79			`fmovemx a0@(64),fp2-fp7`
80			`movel sp@(8),d0`
81			`bne 1f`
82			`movel &1,d0`
83			`1:`
84			`moveml a0@(20),d2-d7/a2-a6`
85			`moveal a0@(8),sp`
86			`movel a0@(12),sp@`
87			`rts`
88			`#endif`

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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [machine/] [m68k/] [setjmp.S] - Blame information for rev 1773