Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
722 bytes
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Line | |
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1 | #include "m68kasm.h" |
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2 | |
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3 | .global SYM (setjmp) |
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4 | .global SYM (longjmp) |
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5 | |
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6 | SYM (setjmp): |
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7 | moveal sp@(4),a0 |
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8 | movel sp@(0),a0@(12) |
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9 | movel sp,a0@(8) |
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10 | moveml d2-d7/a2-a6,a0@(20) |
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11 | clrl d0 |
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12 | rts |
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13 | |
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14 | SYM (longjmp): |
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15 | moveal sp@(4),a0 |
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16 | movel sp@(8),d0 |
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17 | bne 1f |
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18 | movel &1,d0 |
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19 | 1: |
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20 | moveml a0@(20),d2-d7/a2-a6 |
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21 | moveal a0@(8),sp |
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22 | movel a0@(12),sp@ |
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23 | rts |
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24 | |
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25 | #ifdef M68881 |
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26 | .global SYM (setjmp_68881) |
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27 | .global SYM (longjmp_68881) |
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28 | |
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29 | SYM (setjmp_68881): |
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30 | moveal sp@(4),a0 |
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31 | movel sp@(0),a0@(12) |
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32 | movel sp,a0@(8) |
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33 | moveml d2-d7/a2-a6,a0@(20) |
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34 | fmovemx fp2-fp7,a0@(64) |
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35 | clrl d0 |
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36 | rts |
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37 | |
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38 | SYM (longjmp_68881): |
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39 | moveal sp@(4),a0 |
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40 | fmovemx a0@(64),fp2-fp7 |
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41 | movel sp@(8),d0 |
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42 | bne 1f |
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43 | movel &1,d0 |
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44 | 1: |
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45 | moveml a0@(20),d2-d7/a2-a6 |
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46 | moveal a0@(8),sp |
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47 | movel a0@(12),sp@ |
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48 | rts |
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49 | #endif |
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