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3362 | Serge | 1 | /* This file was based on the modified setjmp.S performed by |
2 | * Joel Sherill (joel@OARcorp.com) which specified the use |
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3 | * of the __USER_LABEL_PREFIX__ and __REGISTER_PREFIX__ macros. |
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4 | ** |
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5 | ** This file is distributed WITHOUT ANY WARRANTY; without even the implied |
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6 | ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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7 | */ |
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8 | |||
9 | /* These are predefined by new versions of GNU cpp. */ |
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10 | |||
11 | #ifndef __USER_LABEL_PREFIX__ |
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12 | #define __USER_LABEL_PREFIX__ _ |
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13 | #endif |
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14 | |||
15 | #define __REG_PREFIX__ % |
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16 | |||
17 | /* ANSI concatenation macros. */ |
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18 | |||
19 | #define CONCAT1(a, b) CONCAT2(a, b) |
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20 | #define CONCAT2(a, b) a##b |
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21 | |||
22 | /* Use the right prefix for global labels. */ |
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23 | |||
24 | #define SYM(x) CONCAT1(__USER_LABEL_PREFIX__, x) |
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25 | |||
26 | /* Use the right prefix for registers. */ |
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27 | |||
28 | #define REG(x) CONCAT1(__REG_PREFIX__, x) |
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29 | |||
30 | #define eax REG(eax) |
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31 | #define ebx REG(ebx) |
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32 | #define ecx REG(ecx) |
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33 | #define edx REG(edx) |
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34 | #define esi REG(esi) |
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35 | #define edi REG(edi) |
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36 | #define ebp REG(ebp) |
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37 | #define esp REG(esp) |
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38 | |||
39 | #define st0 REG(st) |
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40 | #define st1 REG(st(1)) |
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41 | #define st2 REG(st(2)) |
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42 | #define st3 REG(st(3)) |
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43 | #define st4 REG(st(4)) |
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44 | #define st5 REG(st(5)) |
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45 | #define st6 REG(st(6)) |
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46 | #define st7 REG(st(7)) |
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47 | |||
48 | #define ax REG(ax) |
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49 | #define bx REG(bx) |
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50 | #define cx REG(cx) |
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51 | #define dx REG(dx) |
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52 | |||
53 | #define ah REG(ah) |
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54 | #define bh REG(bh) |
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55 | #define ch REG(ch) |
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56 | #define dh REG(dh) |
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57 | |||
58 | #define al REG(al) |
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59 | #define bl REG(bl) |
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60 | #define cl REG(cl) |
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61 | #define dl REG(dl) |
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62 | |||
63 | #define mm1 REG(mm1) |
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64 | #define mm2 REG(mm2) |
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65 | #define mm3 REG(mm3) |
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66 | #define mm4 REG(mm4) |
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67 | #define mm5 REG(mm5) |
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68 | #define mm6 REG(mm6) |
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69 | #define mm7 REG(mm7) |
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70 | |||
71 | #ifdef _I386MACH_NEED_SOTYPE_FUNCTION |
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72 | #define SOTYPE_FUNCTION(sym) .type SYM(sym),@function |
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73 | #else |
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74 | #define SOTYPE_FUNCTION(sym) |
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75 | #endif |
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76 | |||
77 | #ifdef _I386MACH_ALLOW_HW_INTERRUPTS |
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78 | #define __CLI |
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79 | #define __STI |
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80 | #else |
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81 | #define __CLI cli |
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82 | #define __STI sti |
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83 | #endif |