| /* ********************************************************** |
| * Copyright (c) 2015-2021 Google, Inc. All rights reserved. |
| * Copyright (c) 2001-2009 VMware, Inc. 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. |
| * |
| * * Neither the name of VMware, Inc. nor the names of its contributors may be |
| * used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| * |
| * 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 VMWARE, INC. 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. |
| */ |
| |
| /* Copyright (c) 2003-2007 Determina Corp. */ |
| /* Copyright (c) 2001-2003 Massachusetts Institute of Technology */ |
| /* Copyright (c) 2001 Hewlett-Packard Company */ |
| |
| /* file "decode_fast.h" */ |
| |
| #ifndef DECODE_FAST_H |
| #define DECODE_FAST_H |
| |
| #include "decode_api.h" |
| |
| DR_UNS_API |
| /** |
| * Decodes the size of the instruction at address \p pc. |
| * The instruction's raw bits are set to valid and pointed at \p pc |
| * (xref instr_get_raw_bits()). |
| * Assumes that \p instr is already initialized, but uses the x86/x64 mode |
| * for the thread \p dcontext rather than that set in instr. |
| * If caller is re-using same instr struct over multiple decodings, |
| * caller should call instr_reset() or instr_reuse(). |
| * Returns the address of the next byte after the decoded instruction. |
| * Returns NULL on decoding an invalid instr and sets opcode to OP_INVALID. |
| */ |
| /* This corresponds to a Level 1 decoding. Levels are not exposed |
| * in the API anymore, however. |
| */ |
| byte * |
| decode_raw(dcontext_t *dcontext, byte *pc, instr_t *instr); |
| |
| #endif /* DECODE_FAST_H */ |
