runtime/src/sun/vm/instruction.h

   1 #ifndef SUN_VM_INSTRUCTION_H
   2 #define SUN_VM_INSTRUCTION_H
   3
   4 #include <stddef.h>
   5 #include <stdint.h>
   6
   7 #include <sun/vm/fixed.h>
   8
   9 #ifdef __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 enum SVMOpcode {
  14         SVMOpcodeInvalid,
  15
  16         SVMOpcodeMOV,
  17         SVMOpcodeSET,
  18
  19         SVMOpcodeINV,
  20         SVMOpcodeBNOT,
  21         SVMOpcodeNOT,
  22         SVMOpcodeADD,
  23         SVMOpcodeSUB,
  24         SVMOpcodeMUL,
  25         SVMOpcodeDIV,
  26         SVMOpcodeMOD,
  27         SVMOpcodeBAND,
  28         SVMOpcodeBOR,
  29         SVMOpcodeBXOR,
  30         SVMOpcodeAND,
  31         SVMOpcodeOR,
  32         SVMOpcodeEQ,
  33         SVMOpcodeNEQ,
  34         SVMOpcodeLT,
  35         SVMOpcodeLTEQ,
  36         SVMOpcodeGT,
  37         SVMOpcodeGTEQ,
  38
  39         SVMOpcodeSTK,
  40
  41         SVMOpcodeSLEEP,
  42         SVMOpcodePOPJUMP,
  43         SVMOpcodeJUMP,
  44         SVMOpcodePUSHJUMP,
  45         SVMOpcodeCALL,
  46
  47         SVMOpcodeJT,
  48 };
  49 typedef enum SVMOpcode SVMOpcode;
  50
  51 extern const char *svmOpcodeToString(SVMOpcode opcode);
  52
  53 typedef int32_t SVMStackOffset;
  54 typedef Fixed/*float*/ SVMFloat;
  55 typedef Fixed/*int32_t*/ SVMInteger;
  56 typedef uint32_t SVMPointer;
  57
  58 union SVMOperand {
  59         SVMStackOffset stackOffset;
  60         SVMFloat floatLiteral;
  61         SVMInteger integerLiteral;
  62         SVMPointer pointerLiteral; // Strings, function pointer
  63         int32_t __raw;
  64 };
  65 typedef union SVMOperand SVMOperand;
  66
  67 struct SVMInstruction {
  68         SVMOpcode opcode;
  69         union __attribute__((__packed__)) {
  70                 struct __attribute__((__packed__)) {
  71                         SVMOperand dst;
  72                         SVMOperand p1;
  73                         SVMOperand p2;
  74                 };
  75
  76                 SVMOperand operands[3];
  77         };
  78 };
  79 typedef struct SVMInstruction SVMInstruction;
  80
  81 #ifdef __cplusplus
  82 }
  83 #endif
  84
  85 #endif