diff options
Diffstat (limited to 'minias.h')
| -rw-r--r-- | minias.h | 93 |
1 files changed, 38 insertions, 55 deletions
@@ -47,7 +47,7 @@ typedef enum { ASM_IMM, ASM_STRING, ASM_MEMARG, - // Directives + // Directives. ASM_DIR_GLOBL, ASM_DIR_SECTION, ASM_DIR_ASCII, @@ -60,61 +60,10 @@ typedef enum { ASM_DIR_INT, ASM_DIR_QUAD, ASM_DIR_BALIGN, - // Instructions - ASM_NOP, - ASM_RET, - ASM_PUSH, - ASM_POP, + // Instructions. ASM_CALL, - ASM_CLTD, - ASM_CQTO, ASM_JMP, - ASM_LEAVE, - ASM_ADD, - ASM_ADDSS, - ASM_ADDSD, - ASM_AND, - ASM_CMP, - ASM_CVTSS2SD, - ASM_CVTSD2SS, - ASM_CVTSI2SD, - ASM_CVTSI2SS, - ASM_CVTTSD2SI, - ASM_CVTTSS2SI, - ASM_DIV, - ASM_DIVSS, - ASM_DIVSD, - ASM_IDIV, - ASM_LEA, - ASM_MUL, - ASM_MULSD, - ASM_MULSS, - ASM_IMUL, - ASM_MOV, - ASM_MOVAPS, - ASM_MOVQ, - ASM_MOVSD, - ASM_MOVSS, - ASM_MOVSX, - ASM_MOVZX, - ASM_NEG, - ASM_OR, - ASM_PXOR, - ASM_SAL, - ASM_SAR, - ASM_SET, - ASM_SHL, - ASM_SHR, - ASM_SUB, - ASM_SUBSS, - ASM_SUBSD, - ASM_TEST, - ASM_UCOMISD, - ASM_UCOMISS, - ASM_XCHG, - ASM_XOR, - ASM_XORPD, - ASM_XORPS, + ASM_INSTR, // Registers, order matters. ASM_REG_BEGIN, @@ -303,9 +252,43 @@ typedef struct Jmp { const char *target; } Jmp; +/* Rex opcode prefix. */ +typedef struct Rex { + uint8_t required : 1; + uint8_t w : 1; + uint8_t r : 1; + uint8_t x : 1; + uint8_t b : 1; +} Rex; + +/* Various classes of instruction encoding. + The *2 variants just have operands swapped. */ +typedef enum Encoder { + ENCODER_OP, + ENCODER_OPREG, + ENCODER_OPMEM, + ENCODER_R, + ENCODER_RIMM, + ENCODER_IMM, + ENCODER_IMMMEM, + ENCODER_IMMREG, + ENCODER_MEMREG, + ENCODER_MEMREG2, + ENCODER_REGMEM, + ENCODER_REGMEM2, + ENCODER_REGREG, + ENCODER_REGREG2, + ENCODER_IMMREGREG2, + ENCODER_IMMMEMREG, +} Encoder; + typedef struct Instr { AsmKind kind; - uint32_t variant; + Encoder encoder; + Rex rex; + uint32_t fixedreg; + int32_t opcode; + int32_t prefix; const Parsev *arg1; const Parsev *arg2; const Parsev *arg3; |