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authorMichael Smith <mikesmiffy128@gmail.com>2021-11-20 03:10:50 +0000
committerMichael Smith <mikesmiffy128@gmail.com>2021-11-20 03:18:08 +0000
commitda6f343032cb01597dc7866e66f091adf3243a62 (patch)
tree870f8cb8e82bb42202ab92bea03fc6ab35ada7ca /src/3p/udis86/decode.h
Initial public snapshot
With code from Bill. Thanks Bill!
Diffstat (limited to 'src/3p/udis86/decode.h')
-rw-r--r--src/3p/udis86/decode.h197
1 files changed, 197 insertions, 0 deletions
diff --git a/src/3p/udis86/decode.h b/src/3p/udis86/decode.h
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+/* udis86 - libudis86/decode.h
+ *
+ * Copyright (c) 2002-2009 Vivek Thampi
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef UD_DECODE_H
+#define UD_DECODE_H
+
+#include "types.h"
+#include "udint.h"
+#include "itab.h"
+
+#define MAX_INSN_LENGTH 15
+
+/* itab prefix bits */
+#define P_none ( 0 )
+
+#define P_inv64 ( 1 << 0 )
+#define P_INV64(n) ( ( n >> 0 ) & 1 )
+#define P_def64 ( 1 << 1 )
+#define P_DEF64(n) ( ( n >> 1 ) & 1 )
+
+#define P_oso ( 1 << 2 )
+#define P_OSO(n) ( ( n >> 2 ) & 1 )
+#define P_aso ( 1 << 3 )
+#define P_ASO(n) ( ( n >> 3 ) & 1 )
+
+#define P_rexb ( 1 << 4 )
+#define P_REXB(n) ( ( n >> 4 ) & 1 )
+#define P_rexw ( 1 << 5 )
+#define P_REXW(n) ( ( n >> 5 ) & 1 )
+#define P_rexr ( 1 << 6 )
+#define P_REXR(n) ( ( n >> 6 ) & 1 )
+#define P_rexx ( 1 << 7 )
+#define P_REXX(n) ( ( n >> 7 ) & 1 )
+
+#define P_seg ( 1 << 8 )
+#define P_SEG(n) ( ( n >> 8 ) & 1 )
+
+#define P_vexl ( 1 << 9 )
+#define P_VEXL(n) ( ( n >> 9 ) & 1 )
+#define P_vexw ( 1 << 10 )
+#define P_VEXW(n) ( ( n >> 10 ) & 1 )
+
+#define P_str ( 1 << 11 )
+#define P_STR(n) ( ( n >> 11 ) & 1 )
+#define P_strz ( 1 << 12 )
+#define P_STR_ZF(n) ( ( n >> 12 ) & 1 )
+
+/* operand type constants -- order is important! */
+
+enum ud_operand_code {
+ OP_NONE,
+
+ OP_A, OP_E, OP_M, OP_G,
+ OP_I, OP_F,
+
+ OP_R0, OP_R1, OP_R2, OP_R3,
+ OP_R4, OP_R5, OP_R6, OP_R7,
+
+ OP_AL, OP_CL, OP_DL,
+ OP_AX, OP_CX, OP_DX,
+ OP_eAX, OP_eCX, OP_eDX,
+ OP_rAX, OP_rCX, OP_rDX,
+
+ OP_ES, OP_CS, OP_SS, OP_DS,
+ OP_FS, OP_GS,
+
+ OP_ST0, OP_ST1, OP_ST2, OP_ST3,
+ OP_ST4, OP_ST5, OP_ST6, OP_ST7,
+
+ OP_J, OP_S, OP_O,
+ OP_I1, OP_I3, OP_sI,
+
+ OP_V, OP_W, OP_Q, OP_P,
+ OP_U, OP_N, OP_MU, OP_H,
+ OP_L,
+
+ OP_R, OP_C, OP_D,
+
+ OP_MR
+} UD_ATTR_PACKED;
+
+
+/*
+ * Operand size constants
+ *
+ * Symbolic constants for various operand sizes. Some of these constants
+ * are given a value equal to the width of the data (SZ_B == 8), such
+ * that they maybe used interchangeably in the internals. Modifying them
+ * will most certainly break things!
+ */
+typedef uint16_t ud_operand_size_t;
+
+#define SZ_NA 0
+#define SZ_Z 1
+#define SZ_V 2
+#define SZ_Y 3
+#define SZ_X 4
+#define SZ_RDQ 7
+#define SZ_B 8
+#define SZ_W 16
+#define SZ_D 32
+#define SZ_Q 64
+#define SZ_T 80
+#define SZ_O 12
+#define SZ_DQ 128 /* double quad */
+#define SZ_QQ 256 /* quad quad */
+
+/*
+ * Complex size types; that encode sizes for operands of type MR (memory or
+ * register); for internal use only. Id space above 256.
+ */
+#define SZ_BD ((SZ_B << 8) | SZ_D)
+#define SZ_BV ((SZ_B << 8) | SZ_V)
+#define SZ_WD ((SZ_W << 8) | SZ_D)
+#define SZ_WV ((SZ_W << 8) | SZ_V)
+#define SZ_WY ((SZ_W << 8) | SZ_Y)
+#define SZ_DY ((SZ_D << 8) | SZ_Y)
+#define SZ_WO ((SZ_W << 8) | SZ_O)
+#define SZ_DO ((SZ_D << 8) | SZ_O)
+#define SZ_QO ((SZ_Q << 8) | SZ_O)
+
+
+/* resolve complex size type.
+ */
+static UD_INLINE ud_operand_size_t
+Mx_mem_size(ud_operand_size_t size)
+{
+ return (size >> 8) & 0xff;
+}
+
+static UD_INLINE ud_operand_size_t
+Mx_reg_size(ud_operand_size_t size)
+{
+ return size & 0xff;
+}
+
+/* A single operand of an entry in the instruction table.
+ * (internal use only)
+ */
+struct ud_itab_entry_operand
+{
+ enum ud_operand_code type;
+ ud_operand_size_t size;
+};
+
+
+/* A single entry in an instruction table.
+ *(internal use only)
+ */
+struct ud_itab_entry
+{
+ enum ud_mnemonic_code mnemonic;
+ struct ud_itab_entry_operand operand1;
+ struct ud_itab_entry_operand operand2;
+ struct ud_itab_entry_operand operand3;
+ struct ud_itab_entry_operand operand4;
+ uint32_t prefix;
+};
+
+struct ud_lookup_table_list_entry {
+ const uint16_t *table;
+ enum ud_table_type type;
+ const char *meta;
+};
+
+extern struct ud_itab_entry ud_itab[];
+extern struct ud_lookup_table_list_entry ud_lookup_table_list[];
+
+#endif /* UD_DECODE_H */
+
+/* vim:cindent
+ * vim:expandtab
+ * vim:ts=4
+ * vim:sw=4
+ */