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x86 code gen, initial work on translator
author Mike Pavone <pavone@retrodev.com>
date Tue, 27 Nov 2012 09:28:13 -0800
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children c0f339564819
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1 #ifndef GEN_X86_H_
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2 #define GEN_X86_H_
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3
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4 #include <stdint.h>
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5
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6 enum {
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7 RAX = 0,
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8 RCX,
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9 RDX,
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10 RBX,
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11 RSP,
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12 RBP,
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13 RSI,
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14 RDI,
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15 AH,
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16 CH,
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17 DH,
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18 BH,
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19 R8,
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20 R9,
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21 R10,
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22 R11,
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23 R12,
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24 R13,
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25 R14,
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26 R15
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27 } x86_regs;
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28
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29 enum {
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30 CC_O = 0,
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31 CC_NO,
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32 CC_C,
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33 CC_NC,
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34 CC_Z,
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35 CC_NZ,
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36 CC_BE,
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37 CC_A,
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38 CC_S,
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39 CC_NS,
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40 CC_P,
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41 CC_NP,
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42 CC_L,
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43 CC_GE,
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44 CC_LE,
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45 CC_G
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46 } x86_cc;
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47
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48 enum {
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49 SZ_B = 0,
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50 SZ_W,
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51 SZ_D,
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52 SZ_Q
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53 } x86_size;
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54
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55 uint8_t * add_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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56 uint8_t * or_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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57 uint8_t * xor_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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58 uint8_t * and_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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59 uint8_t * sub_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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60 uint8_t * cmp_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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61 uint8_t * add_i8r(uint8_t * out, uint8_t val, uint8_t dst);
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62 uint8_t * or_i8r(uint8_t * out, uint8_t val, uint8_t dst);
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63 uint8_t * xor_i8r(uint8_t * out, uint8_t val, uint8_t dst);
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64 uint8_t * and_i8r(uint8_t * out, uint8_t val, uint8_t dst);
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65 uint8_t * sub_i8r(uint8_t * out, uint8_t val, uint8_t dst);
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66 uint8_t * cmp_i8r(uint8_t * out, uint8_t val, uint8_t dst);
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67 uint8_t * add_i32r(uint8_t * out, int32_t val, uint8_t dst);
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68 uint8_t * or_i32r(uint8_t * out, int32_t val, uint8_t dst);
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69 uint8_t * xor_i32r(uint8_t * out, int32_t val, uint8_t dst);
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70 uint8_t * and_i32r(uint8_t * out, int32_t val, uint8_t dst);
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71 uint8_t * sub_i32r(uint8_t * out, int32_t val, uint8_t dst);
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72 uint8_t * cmp_i32r(uint8_t * out, int32_t val, uint8_t dst);
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73 uint8_t * mov_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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74 uint8_t * mov_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
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75 uint8_t * mov_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
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76 uint8_t * mov_rrind(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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77 uint8_t * mov_rindr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
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78 uint8_t * mov_i8r(uint8_t * out, uint8_t val, uint8_t dst);
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79 uint8_t * mov_i16r(uint8_t * out, uint16_t val, uint8_t dst);
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80 uint8_t * mov_i32r(uint8_t * out, uint32_t val, uint8_t dst);
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81 uint8_t * pushf(uint8_t * out);
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82 uint8_t * popf(uint8_t * out);
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83 uint8_t * push_r(uint8_t * out, uint8_t reg);
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84 uint8_t * pop_r(uint8_t * out, uint8_t reg);
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85 uint8_t * setcc_r(uint8_t * out, uint8_t cc, uint8_t dst);
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86 uint8_t * setcc_rind(uint8_t * out, uint8_t cc, uint8_t dst);
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87 uint8_t * jcc(uint8_t * out, uint8_t cc, int32_t disp);
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88 uint8_t * call(uint8_t * out, uint8_t * fun);
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89 uint8_t * retn(uint8_t * out);
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90
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91 #endif //GEN_X86_H_
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92