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/*
 * Copyright (c) 1990,1994 The University of Utah and
 * the Computer Systems Laboratory (CSL).  All rights reserved.
 *
 * Permission to use, copy, modify and distribute this software is hereby
 * granted provided that (1) source code retains these copyright, permission,
 * and disclaimer notices, and (2) redistributions including binaries
 * reproduce the notices in supporting documentation, and (3) all advertising
 * materials mentioning features or use of this software display the following
 * acknowledgement: ``This product includes software developed by the
 * Computer Systems Laboratory at the University of Utah.''
 *
 * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
 * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * CSL requests users of this software to return to csl-dist@cs.utah.edu any
 * improvements that they make and grant CSL redistribution rights.
 *
 *      Utah $Hdr: _setjmp.s 1.9 94/12/16$
 */
 
        .space  $TEXT$
        .subspa $CODE$
 
/*
 * The PA jmp_buf is 48 words arranged as follows:
 *
 *       0- 9:  sigcontext
 *      10-26:  callee save GRs (r3-r18) and DP (r27)
 *         27:  callee save SRs (sr3)
 *      28-47:  callee save FRs (fr12-fr21)
 */
 
/*
 * int
 * setjmp(env)
 *      jmp_buf env;
 *
 * This routine does not restore signal state.
 */
 
        .export setjmp,entry
        .export _setjmp,entry
        .proc
        .callinfo
setjmp
_setjmp
        .entry
 
        /*
         * save sp and rp in sigcontext, skip the rest
         */
        stw     %r30,8(%r26)
        stw     %r2,24(%r26)
        ldo     40(%r26),%r26
 
        /*
         * save dp and the callee saves registers
         */
        stwm    %r3,4(%r26)
        stwm    %r4,4(%r26)
        stwm    %r5,4(%r26)
        stwm    %r6,4(%r26)
        stwm    %r7,4(%r26)
        stwm    %r8,4(%r26)
        stwm    %r9,4(%r26)
        stwm    %r10,4(%r26)
        stwm    %r11,4(%r26)
        stwm    %r12,4(%r26)
        stwm    %r13,4(%r26)
        stwm    %r14,4(%r26)
        stwm    %r15,4(%r26)
        stwm    %r16,4(%r26)
        stwm    %r17,4(%r26)
        stwm    %r18,4(%r26)
        stwm    %r27,4(%r26)
 
        mfsp    %sr3,%r9
        stwm    %r9,4(%r26)
 
        bv      0(%r2)
        copy    %r0,%r28
        .exit
        .procend
 
/*
 * void
 * longjmp(env, val)
 *      jmp_buf env;
 *      int val;
 *
 * This routine does not retore signal state.
 * This routine does not override a zero val.
 */
 
        .export longjmp,entry
        .export _longjmp,entry
        .proc
        .callinfo
longjmp
_longjmp
 
        .entry
 
        /*
         * restore sp and rp
         */
        ldw     8(%r26),%r30
        ldw     24(%r26),%r2
        ldo     40(%r26),%r26
 
        /*
         * restore callee saves registers
         */
        ldwm    4(%r26),%r3
        ldwm    4(%r26),%r4
        ldwm    4(%r26),%r5
        ldwm    4(%r26),%r6
        ldwm    4(%r26),%r7
        ldwm    4(%r26),%r8
        ldwm    4(%r26),%r9
        ldwm    4(%r26),%r10
        ldwm    4(%r26),%r11
        ldwm    4(%r26),%r12
        ldwm    4(%r26),%r13
        ldwm    4(%r26),%r14
        ldwm    4(%r26),%r15
        ldwm    4(%r26),%r16
        ldwm    4(%r26),%r17
        ldwm    4(%r26),%r18
        ldwm    4(%r26),%r27
 
        ldwm    4(%r26),%r9
        mtsp    %r9,%sr3
 
        bv      0(%r2)
        copy    %r25,%r28
        .exit
        .procend

Line No.	Rev	Author	Line
1	148	jeremybenn	`/*`
2			`* Copyright (c) 1990,1994 The University of Utah and`
3			`* the Computer Systems Laboratory (CSL). All rights reserved.`
4			`*`
5			`* Permission to use, copy, modify and distribute this software is hereby`
6			`* granted provided that (1) source code retains these copyright, permission,`
7			`* and disclaimer notices, and (2) redistributions including binaries`
8			`* reproduce the notices in supporting documentation, and (3) all advertising`
9			`* materials mentioning features or use of this software display the following`
10			* acknowledgement: ``This product includes software developed by the
11			`* Computer Systems Laboratory at the University of Utah.''`
12			`*`
13			`* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS`
14			`* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF`
15			`* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.`
16			`*`
17			`* CSL requests users of this software to return to csl-dist@cs.utah.edu any`
18			`* improvements that they make and grant CSL redistribution rights.`
19			`*`
20			`* Utah $Hdr: _setjmp.s 1.9 94/12/16$`
21			`*/`
22
23			`.space $TEXT$`
24			`.subspa $CODE$`
25
26			`/*`
27			`* The PA jmp_buf is 48 words arranged as follows:`
28			`*`
29			`* 0- 9: sigcontext`
30			`* 10-26: callee save GRs (r3-r18) and DP (r27)`
31			`* 27: callee save SRs (sr3)`
32			`* 28-47: callee save FRs (fr12-fr21)`
33			`*/`
34
35			`/*`
36			`* int`
37			`* setjmp(env)`
38			`* jmp_buf env;`
39			`*`
40			`* This routine does not restore signal state.`
41			`*/`
42
43			`.export setjmp,entry`
44			`.export _setjmp,entry`
45			`.proc`
46			`.callinfo`
47			`setjmp`
48			`_setjmp`
49			`.entry`
50
51			`/*`
52			`* save sp and rp in sigcontext, skip the rest`
53			`*/`
54			`stw %r30,8(%r26)`
55			`stw %r2,24(%r26)`
56			`ldo 40(%r26),%r26`
57
58			`/*`
59			`* save dp and the callee saves registers`
60			`*/`
61			`stwm %r3,4(%r26)`
62			`stwm %r4,4(%r26)`
63			`stwm %r5,4(%r26)`
64			`stwm %r6,4(%r26)`
65			`stwm %r7,4(%r26)`
66			`stwm %r8,4(%r26)`
67			`stwm %r9,4(%r26)`
68			`stwm %r10,4(%r26)`
69			`stwm %r11,4(%r26)`
70			`stwm %r12,4(%r26)`
71			`stwm %r13,4(%r26)`
72			`stwm %r14,4(%r26)`
73			`stwm %r15,4(%r26)`
74			`stwm %r16,4(%r26)`
75			`stwm %r17,4(%r26)`
76			`stwm %r18,4(%r26)`
77			`stwm %r27,4(%r26)`
78
79			`mfsp %sr3,%r9`
80			`stwm %r9,4(%r26)`
81
82			`bv 0(%r2)`
83			`copy %r0,%r28`
84			`.exit`
85			`.procend`
86
87			`/*`
88			`* void`
89			`* longjmp(env, val)`
90			`* jmp_buf env;`
91			`* int val;`
92			`*`
93			`* This routine does not retore signal state.`
94			`* This routine does not override a zero val.`
95			`*/`
96
97			`.export longjmp,entry`
98			`.export _longjmp,entry`
99			`.proc`
100			`.callinfo`
101			`longjmp`
102			`_longjmp`
103
104			`.entry`
105
106			`/*`
107			`* restore sp and rp`
108			`*/`
109			`ldw 8(%r26),%r30`
110			`ldw 24(%r26),%r2`
111			`ldo 40(%r26),%r26`
112
113			`/*`
114			`* restore callee saves registers`
115			`*/`
116			`ldwm 4(%r26),%r3`
117			`ldwm 4(%r26),%r4`
118			`ldwm 4(%r26),%r5`
119			`ldwm 4(%r26),%r6`
120			`ldwm 4(%r26),%r7`
121			`ldwm 4(%r26),%r8`
122			`ldwm 4(%r26),%r9`
123			`ldwm 4(%r26),%r10`
124			`ldwm 4(%r26),%r11`
125			`ldwm 4(%r26),%r12`
126			`ldwm 4(%r26),%r13`
127			`ldwm 4(%r26),%r14`
128			`ldwm 4(%r26),%r15`
129			`ldwm 4(%r26),%r16`
130			`ldwm 4(%r26),%r17`
131			`ldwm 4(%r26),%r18`
132			`ldwm 4(%r26),%r27`
133
134			`ldwm 4(%r26),%r9`
135			`mtsp %r9,%sr3`
136
137			`bv 0(%r2)`
138			`copy %r25,%r28`
139			`.exit`
140			`.procend`

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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [libgloss/] [pa/] [setjmp.S] - Blame information for rev 271