mirror of
https://github.com/autc04/Retro68.git
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141 lines
2.8 KiB
ArmAsm
141 lines
2.8 KiB
ArmAsm
/*
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* Copyright (c) 1990,1994 The University of Utah and
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* the Computer Systems Laboratory (CSL). All rights reserved.
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*
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* Permission to use, copy, modify and distribute this software is hereby
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* granted provided that (1) source code retains these copyright, permission,
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* and disclaimer notices, and (2) redistributions including binaries
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* reproduce the notices in supporting documentation, and (3) all advertising
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* materials mentioning features or use of this software display the following
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* acknowledgement: ``This product includes software developed by the
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* Computer Systems Laboratory at the University of Utah.''
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*
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* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
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* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
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* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* CSL requests users of this software to return to csl-dist@cs.utah.edu any
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* improvements that they make and grant CSL redistribution rights.
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*
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* Utah $Hdr: _setjmp.s 1.9 94/12/16$
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*/
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.space $TEXT$
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.subspa $CODE$
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/*
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* The PA jmp_buf is 48 words arranged as follows:
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*
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* 0- 9: sigcontext
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* 10-26: callee save GRs (r3-r18) and DP (r27)
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* 27: callee save SRs (sr3)
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* 28-47: callee save FRs (fr12-fr21)
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*/
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/*
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* int
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* setjmp(env)
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* jmp_buf env;
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*
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* This routine does not restore signal state.
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*/
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.export setjmp,entry
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.export _setjmp,entry
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.proc
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.callinfo
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setjmp
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_setjmp
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.entry
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/*
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* save sp and rp in sigcontext, skip the rest
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*/
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stw %r30,8(%r26)
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stw %r2,24(%r26)
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ldo 40(%r26),%r26
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/*
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* save dp and the callee saves registers
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*/
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stwm %r3,4(%r26)
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stwm %r4,4(%r26)
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stwm %r5,4(%r26)
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stwm %r6,4(%r26)
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stwm %r7,4(%r26)
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stwm %r8,4(%r26)
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stwm %r9,4(%r26)
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stwm %r10,4(%r26)
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stwm %r11,4(%r26)
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stwm %r12,4(%r26)
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stwm %r13,4(%r26)
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stwm %r14,4(%r26)
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stwm %r15,4(%r26)
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stwm %r16,4(%r26)
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stwm %r17,4(%r26)
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stwm %r18,4(%r26)
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stwm %r27,4(%r26)
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mfsp %sr3,%r9
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stwm %r9,4(%r26)
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bv 0(%r2)
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copy %r0,%r28
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.exit
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.procend
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/*
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* void
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* longjmp(env, val)
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* jmp_buf env;
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* int val;
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*
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* This routine does not retore signal state.
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* This routine does not override a zero val.
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*/
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.export longjmp,entry
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.export _longjmp,entry
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.proc
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.callinfo
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longjmp
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_longjmp
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.entry
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/*
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* restore sp and rp
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*/
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ldw 8(%r26),%r30
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ldw 24(%r26),%r2
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ldo 40(%r26),%r26
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/*
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* restore callee saves registers
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*/
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ldwm 4(%r26),%r3
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ldwm 4(%r26),%r4
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ldwm 4(%r26),%r5
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ldwm 4(%r26),%r6
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ldwm 4(%r26),%r7
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ldwm 4(%r26),%r8
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ldwm 4(%r26),%r9
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ldwm 4(%r26),%r10
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ldwm 4(%r26),%r11
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ldwm 4(%r26),%r12
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ldwm 4(%r26),%r13
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ldwm 4(%r26),%r14
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ldwm 4(%r26),%r15
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ldwm 4(%r26),%r16
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ldwm 4(%r26),%r17
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ldwm 4(%r26),%r18
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ldwm 4(%r26),%r27
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ldwm 4(%r26),%r9
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mtsp %r9,%sr3
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bv 0(%r2)
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copy %r25,%r28
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.exit
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.procend
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