276 lines
8.9 KiB
C
276 lines
8.9 KiB
C
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#ifndef UD_DECODE_H
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#define UD_DECODE_H
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#define MAX_INSN_LENGTH 15
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/* register classes */
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#define T_NONE 0
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#define T_GPR 1
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#define T_MMX 2
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#define T_CRG 3
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#define T_DBG 4
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#define T_SEG 5
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#define T_XMM 6
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/* itab prefix bits */
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#define P_none ( 0 )
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#define P_c1 ( 1 << 0 )
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#define P_C1(n) ( ( n >> 0 ) & 1 )
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#define P_rexb ( 1 << 1 )
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#define P_REXB(n) ( ( n >> 1 ) & 1 )
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#define P_depM ( 1 << 2 )
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#define P_DEPM(n) ( ( n >> 2 ) & 1 )
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#define P_c3 ( 1 << 3 )
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#define P_C3(n) ( ( n >> 3 ) & 1 )
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#define P_inv64 ( 1 << 4 )
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#define P_INV64(n) ( ( n >> 4 ) & 1 )
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#define P_rexw ( 1 << 5 )
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#define P_REXW(n) ( ( n >> 5 ) & 1 )
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#define P_c2 ( 1 << 6 )
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#define P_C2(n) ( ( n >> 6 ) & 1 )
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#define P_def64 ( 1 << 7 )
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#define P_DEF64(n) ( ( n >> 7 ) & 1 )
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#define P_rexr ( 1 << 8 )
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#define P_REXR(n) ( ( n >> 8 ) & 1 )
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#define P_oso ( 1 << 9 )
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#define P_OSO(n) ( ( n >> 9 ) & 1 )
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#define P_aso ( 1 << 10 )
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#define P_ASO(n) ( ( n >> 10 ) & 1 )
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#define P_rexx ( 1 << 11 )
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#define P_REXX(n) ( ( n >> 11 ) & 1 )
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#define P_ImpAddr ( 1 << 12 )
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#define P_IMPADDR(n) ( ( n >> 12 ) & 1 )
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/* rex prefix bits */
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#define REX_W(r) ( ( 0xF & ( r ) ) >> 3 )
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#define REX_R(r) ( ( 0x7 & ( r ) ) >> 2 )
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#define REX_X(r) ( ( 0x3 & ( r ) ) >> 1 )
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#define REX_B(r) ( ( 0x1 & ( r ) ) >> 0 )
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#define REX_PFX_MASK(n) ( ( P_REXW(n) << 3 ) | \
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( P_REXR(n) << 2 ) | \
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( P_REXX(n) << 1 ) | \
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( P_REXB(n) << 0 ) )
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/* scable-index-base bits */
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#define SIB_S(b) ( ( b ) >> 6 )
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#define SIB_I(b) ( ( ( b ) >> 3 ) & 7 )
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#define SIB_B(b) ( ( b ) & 7 )
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/* modrm bits */
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#define MODRM_REG(b) ( ( ( b ) >> 3 ) & 7 )
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#define MODRM_NNN(b) ( ( ( b ) >> 3 ) & 7 )
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#define MODRM_MOD(b) ( ( ( b ) >> 6 ) & 3 )
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#define MODRM_RM(b) ( ( b ) & 7 )
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/* operand type constants -- order is important! */
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enum ud_operand_code {
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OP_NONE,
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OP_A, OP_E, OP_M, OP_G,
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OP_I,
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OP_AL, OP_CL, OP_DL, OP_BL,
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OP_AH, OP_CH, OP_DH, OP_BH,
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OP_ALr8b, OP_CLr9b, OP_DLr10b, OP_BLr11b,
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OP_AHr12b, OP_CHr13b, OP_DHr14b, OP_BHr15b,
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OP_AX, OP_CX, OP_DX, OP_BX,
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OP_SI, OP_DI, OP_SP, OP_BP,
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OP_rAX, OP_rCX, OP_rDX, OP_rBX,
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OP_rSP, OP_rBP, OP_rSI, OP_rDI,
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OP_rAXr8, OP_rCXr9, OP_rDXr10, OP_rBXr11,
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OP_rSPr12, OP_rBPr13, OP_rSIr14, OP_rDIr15,
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OP_eAX, OP_eCX, OP_eDX, OP_eBX,
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OP_eSP, OP_eBP, OP_eSI, OP_eDI,
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OP_ES, OP_CS, OP_SS, OP_DS,
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OP_FS, OP_GS,
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OP_ST0, OP_ST1, OP_ST2, OP_ST3,
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OP_ST4, OP_ST5, OP_ST6, OP_ST7,
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OP_J, OP_S, OP_O,
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OP_I1, OP_I3,
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OP_V, OP_W, OP_Q, OP_P,
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OP_R, OP_C, OP_D, OP_VR, OP_PR
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};
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/* operand size constants */
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enum ud_operand_size {
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SZ_NA = 0,
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SZ_Z = 1,
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SZ_V = 2,
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SZ_P = 3,
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SZ_WP = 4,
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SZ_DP = 5,
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SZ_MDQ = 6,
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SZ_RDQ = 7,
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/* the following values are used as is,
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* and thus hard-coded. changing them
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* will break internals
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*/
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SZ_B = 8,
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SZ_W = 16,
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SZ_D = 32,
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SZ_Q = 64,
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SZ_T = 80,
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};
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/* itab entry operand definitions */
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#define O_rSPr12 { OP_rSPr12, SZ_NA }
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#define O_BL { OP_BL, SZ_NA }
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#define O_BH { OP_BH, SZ_NA }
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#define O_BP { OP_BP, SZ_NA }
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#define O_AHr12b { OP_AHr12b, SZ_NA }
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#define O_BX { OP_BX, SZ_NA }
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#define O_Jz { OP_J, SZ_Z }
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#define O_Jv { OP_J, SZ_V }
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#define O_Jb { OP_J, SZ_B }
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#define O_rSIr14 { OP_rSIr14, SZ_NA }
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#define O_GS { OP_GS, SZ_NA }
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#define O_D { OP_D, SZ_NA }
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#define O_rBPr13 { OP_rBPr13, SZ_NA }
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#define O_Ob { OP_O, SZ_B }
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#define O_P { OP_P, SZ_NA }
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#define O_Ow { OP_O, SZ_W }
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#define O_Ov { OP_O, SZ_V }
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#define O_Gw { OP_G, SZ_W }
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#define O_Gv { OP_G, SZ_V }
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#define O_rDX { OP_rDX, SZ_NA }
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#define O_Gx { OP_G, SZ_MDQ }
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#define O_Gd { OP_G, SZ_D }
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#define O_Gb { OP_G, SZ_B }
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#define O_rBXr11 { OP_rBXr11, SZ_NA }
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#define O_rDI { OP_rDI, SZ_NA }
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#define O_rSI { OP_rSI, SZ_NA }
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#define O_ALr8b { OP_ALr8b, SZ_NA }
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#define O_eDI { OP_eDI, SZ_NA }
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#define O_Gz { OP_G, SZ_Z }
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#define O_eDX { OP_eDX, SZ_NA }
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#define O_DHr14b { OP_DHr14b, SZ_NA }
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#define O_rSP { OP_rSP, SZ_NA }
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#define O_PR { OP_PR, SZ_NA }
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#define O_NONE { OP_NONE, SZ_NA }
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#define O_rCX { OP_rCX, SZ_NA }
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#define O_jWP { OP_J, SZ_WP }
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#define O_rDXr10 { OP_rDXr10, SZ_NA }
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#define O_Md { OP_M, SZ_D }
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#define O_C { OP_C, SZ_NA }
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#define O_G { OP_G, SZ_NA }
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#define O_Mb { OP_M, SZ_B }
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#define O_Mt { OP_M, SZ_T }
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#define O_S { OP_S, SZ_NA }
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#define O_Mq { OP_M, SZ_Q }
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#define O_W { OP_W, SZ_NA }
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#define O_ES { OP_ES, SZ_NA }
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#define O_rBX { OP_rBX, SZ_NA }
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#define O_Ed { OP_E, SZ_D }
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#define O_DLr10b { OP_DLr10b, SZ_NA }
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#define O_Mw { OP_M, SZ_W }
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#define O_Eb { OP_E, SZ_B }
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#define O_Ex { OP_E, SZ_MDQ }
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#define O_Ez { OP_E, SZ_Z }
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#define O_Ew { OP_E, SZ_W }
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#define O_Ev { OP_E, SZ_V }
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#define O_Ep { OP_E, SZ_P }
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#define O_FS { OP_FS, SZ_NA }
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#define O_Ms { OP_M, SZ_W }
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#define O_rAXr8 { OP_rAXr8, SZ_NA }
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#define O_eBP { OP_eBP, SZ_NA }
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#define O_Isb { OP_I, SZ_SB }
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#define O_eBX { OP_eBX, SZ_NA }
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#define O_rCXr9 { OP_rCXr9, SZ_NA }
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#define O_jDP { OP_J, SZ_DP }
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#define O_CH { OP_CH, SZ_NA }
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#define O_CL { OP_CL, SZ_NA }
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#define O_R { OP_R, SZ_RDQ }
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#define O_V { OP_V, SZ_NA }
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#define O_CS { OP_CS, SZ_NA }
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#define O_CHr13b { OP_CHr13b, SZ_NA }
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#define O_eCX { OP_eCX, SZ_NA }
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#define O_eSP { OP_eSP, SZ_NA }
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#define O_SS { OP_SS, SZ_NA }
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#define O_SP { OP_SP, SZ_NA }
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#define O_BLr11b { OP_BLr11b, SZ_NA }
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#define O_SI { OP_SI, SZ_NA }
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#define O_eSI { OP_eSI, SZ_NA }
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#define O_DL { OP_DL, SZ_NA }
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#define O_DH { OP_DH, SZ_NA }
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#define O_DI { OP_DI, SZ_NA }
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#define O_DX { OP_DX, SZ_NA }
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#define O_rBP { OP_rBP, SZ_NA }
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#define O_Gvw { OP_G, SZ_MDQ }
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#define O_I1 { OP_I1, SZ_NA }
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#define O_I3 { OP_I3, SZ_NA }
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#define O_DS { OP_DS, SZ_NA }
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#define O_ST4 { OP_ST4, SZ_NA }
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#define O_ST5 { OP_ST5, SZ_NA }
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#define O_ST6 { OP_ST6, SZ_NA }
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#define O_ST7 { OP_ST7, SZ_NA }
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#define O_ST0 { OP_ST0, SZ_NA }
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#define O_ST1 { OP_ST1, SZ_NA }
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#define O_ST2 { OP_ST2, SZ_NA }
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#define O_ST3 { OP_ST3, SZ_NA }
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#define O_E { OP_E, SZ_NA }
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#define O_AH { OP_AH, SZ_NA }
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#define O_M { OP_M, SZ_NA }
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#define O_AL { OP_AL, SZ_NA }
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#define O_CLr9b { OP_CLr9b, SZ_NA }
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#define O_Q { OP_Q, SZ_NA }
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#define O_eAX { OP_eAX, SZ_NA }
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#define O_VR { OP_VR, SZ_NA }
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#define O_AX { OP_AX, SZ_NA }
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#define O_rAX { OP_rAX, SZ_NA }
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#define O_Iz { OP_I, SZ_Z }
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#define O_rDIr15 { OP_rDIr15, SZ_NA }
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#define O_Iw { OP_I, SZ_W }
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#define O_Iv { OP_I, SZ_V }
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#define O_Ap { OP_A, SZ_P }
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#define O_CX { OP_CX, SZ_NA }
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#define O_Ib { OP_I, SZ_B }
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#define O_BHr15b { OP_BHr15b, SZ_NA }
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/* A single operand of an entry in the instruction table.
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* (internal use only)
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*/
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struct ud_itab_entry_operand
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{
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enum ud_operand_code type;
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enum ud_operand_size size;
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};
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/* A single entry in an instruction table.
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*(internal use only)
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*/
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struct ud_itab_entry
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{
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enum ud_mnemonic_code mnemonic;
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struct ud_itab_entry_operand operand1;
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struct ud_itab_entry_operand operand2;
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struct ud_itab_entry_operand operand3;
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uint32_t prefix;
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};
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extern const char * ud_lookup_mnemonic( enum ud_mnemonic_code c );
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#endif /* UD_DECODE_H */
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/* vim:cindent
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* vim:expandtab
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* vim:ts=4
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* vim:sw=4
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*/
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