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58 lines
992 B
ArmAsm
58 lines
992 B
ArmAsm
;; xstormy16
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;; Copyright (C) 2001 by Red Hat, Incorporated. All rights reserved.
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;;
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;; Permission to use, copy, modify, and distribute this software
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;; is freely granted, provided that this notice is preserved.
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;;
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.file "setjmp.S"
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.section .text
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.align 1
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.global setjmp
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.type setjmp,@function
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setjmp:
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mov r0,r10
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mov (r2++),r0
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mov r0,r11
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mov (r2++),r0
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mov r0,r12
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mov (r2++),r0
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mov r0,r13
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mov (r2++),r0
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pop r0 ; PC high word
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pop r1 ; PC low word
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mov (r2++), r0
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mov (r2++), r1
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mov r3,sp
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mov (r2++),r3
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mov.w r2,#0
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mov r8, r0
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mov r9, r1
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jmp r8, r9
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.size setjmp,.-setjmp
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.global longjmp
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.type longjmp,@function
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longjmp:
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mov r0,(r2++)
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mov r10,r0
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mov r0,(r2++)
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mov r11,r0
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mov r0,(r2++)
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mov r12,r0
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mov r0,(r2++)
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mov r13,r0
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mov r0,(r2++)
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mov r8, r0
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mov r1,(r2++)
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mov r9, r1
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mov r4,(r2++)
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mov sp,r4
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;; status arg (r3) to longjmp is return value
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;; if it's zero, return 1
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bnz r3, #0, 0f
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mov.w r3,#1
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0: mov r2, r3
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jmp r8,r9
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.size longjmp,.-longjmp
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