Initial public snapshot

With code from Bill. Thanks Bill!

1 files changed, 197 insertions, 0 deletions

diff --git a/src/3p/udis86/decode.h b/src/3p/udis86/decode.h
new file mode 100644
index 0000000..3949c4e
--- /dev/null
+++ b/src/3p/udis86/decode.h
@@ -0,0 +1,197 @@
+/* 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
+ */