578 lines
20 KiB
C
578 lines
20 KiB
C
/***************************************************************************************************
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Zyan Disassembler Library (Zydis)
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Original Author : Florian Bernd
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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***************************************************************************************************/
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#include <inttypes.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <Zycore/API/Terminal.h>
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#include <Zycore/LibC.h>
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#include <Zydis/Zydis.h>
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#if defined(ZYAN_WINDOWS)
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# include <Windows.h>
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#elif defined(ZYAN_APPLE)
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# include <mach/mach_time.h>
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#elif defined(ZYAN_LINUX) || defined(ZYAN_SOLARIS)
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# include <sys/time.h>
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# include <pthread.h>
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#elif defined(ZYAN_FREEBSD)
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# include <sys/time.h>
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# include <pthread.h>
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# include <pthread_np.h>
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#else
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# error "Unsupported platform detected"
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#endif
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/* ============================================================================================== */
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/* Colors */
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/* ============================================================================================== */
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/* ---------------------------------------------------------------------------------------------- */
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/* Configuration */
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/* ---------------------------------------------------------------------------------------------- */
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#define COLOR_DEFAULT ZYAN_VT100SGR_FG_DEFAULT
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#define COLOR_ERROR ZYAN_VT100SGR_FG_BRIGHT_RED
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#define COLOR_VALUE_R ZYAN_VT100SGR_FG_BRIGHT_RED
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#define COLOR_VALUE_G ZYAN_VT100SGR_FG_BRIGHT_GREEN
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#define COLOR_VALUE_B ZYAN_VT100SGR_FG_CYAN
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/* ---------------------------------------------------------------------------------------------- */
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/* Global variables */
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/* ---------------------------------------------------------------------------------------------- */
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static ZyanBool g_vt100_stdout;
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static ZyanBool g_vt100_stderr;
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/* ---------------------------------------------------------------------------------------------- */
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/* Helper macros */
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/* ---------------------------------------------------------------------------------------------- */
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/**
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* Conditionally expands to the passed VT100 sequence, if `g_colors_stdout` is
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* `ZYAN_TRUE`, or an empty string, if not.
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*
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* @param The VT100 SGT sequence.
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*/
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#define CVT100_OUT(sequence) (g_vt100_stdout ? (sequence) : "")
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/**
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* Conditionally expands to the passed VT100 sequence, if `g_colors_stderr` is
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* `ZYAN_TRUE`, or an empty string, if not.
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*
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* @param The VT100 SGT sequence.
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*/
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#define CVT100_ERR(sequence) (g_vt100_stderr ? (sequence) : "")
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/* ---------------------------------------------------------------------------------------------- */
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/* ============================================================================================== */
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/* Helper functions */
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/* ============================================================================================== */
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/* ---------------------------------------------------------------------------------------------- */
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/* Time measurement */
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/* ---------------------------------------------------------------------------------------------- */
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#if defined(ZYAN_WINDOWS)
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double counter_freq = 0.0;
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ZyanU64 counter_start = 0;
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static void StartCounter(void)
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{
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LARGE_INTEGER li;
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if (!QueryPerformanceFrequency(&li))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sError: QueryPerformanceFrequency failed!%s\n",
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CVT100_ERR(COLOR_ERROR), CVT100_ERR(ZYAN_VT100SGR_RESET));
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exit(EXIT_FAILURE);
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}
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counter_freq = (double)li.QuadPart / 1000.0;
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QueryPerformanceCounter(&li);
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counter_start = li.QuadPart;
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}
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static double GetCounter(void)
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{
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LARGE_INTEGER li;
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QueryPerformanceCounter(&li);
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return (double)(li.QuadPart - counter_start) / counter_freq;
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}
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#elif defined(ZYAN_APPLE)
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ZyanU64 counter_start = 0;
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mach_timebase_info_data_t timebase_info;
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static void StartCounter(void)
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{
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counter_start = mach_absolute_time();
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}
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static double GetCounter(void)
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{
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ZyanU64 elapsed = mach_absolute_time() - counter_start;
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if (timebase_info.denom == 0)
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{
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mach_timebase_info(&timebase_info);
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}
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return (double)elapsed * timebase_info.numer / timebase_info.denom / 1000000;
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}
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#elif defined(ZYAN_LINUX) || defined(ZYAN_FREEBSD) || defined(ZYAN_SOLARIS)
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struct timeval t1;
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static void StartCounter(void)
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{
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gettimeofday(&t1, NULL);
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}
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static double GetCounter(void)
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{
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struct timeval t2;
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gettimeofday(&t2, NULL);
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double t = (t2.tv_sec - t1.tv_sec) * 1000.0;
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return t + (t2.tv_usec - t1.tv_usec) / 1000.0;
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}
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#endif
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/* ---------------------------------------------------------------------------------------------- */
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/* Process & Thread Priority */
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/* ---------------------------------------------------------------------------------------------- */
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static void AdjustProcessAndThreadPriority(void)
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{
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#if defined(ZYAN_WINDOWS)
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SYSTEM_INFO info;
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GetSystemInfo(&info);
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if (info.dwNumberOfProcessors > 1)
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{
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if (!SetThreadAffinityMask(GetCurrentThread(), (DWORD_PTR)1))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sWarning: Could not set thread affinity mask%s\n",
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CVT100_ERR(ZYAN_VT100SGR_FG_YELLOW), CVT100_ERR(ZYAN_VT100SGR_RESET));
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}
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if (!SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sWarning: Could not set process priority class%s\n",
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CVT100_ERR(ZYAN_VT100SGR_FG_YELLOW), CVT100_ERR(ZYAN_VT100SGR_RESET));
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}
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if (!SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sWarning: Could not set thread priority class%s\n",
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CVT100_ERR(ZYAN_VT100SGR_FG_YELLOW), CVT100_ERR(ZYAN_VT100SGR_RESET));
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}
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}
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#elif defined(ZYAN_LINUX) || defined(ZYAN_FREEBSD)
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pthread_t thread = pthread_self();
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#if defined(ZYAN_LINUX)
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cpu_set_t cpus;
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#else // FreeBSD
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cpuset_t cpus;
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#endif
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CPU_ZERO(&cpus);
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CPU_SET(0, &cpus);
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if (pthread_setaffinity_np(thread, sizeof(cpus), &cpus))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sWarning: Could not set thread affinity mask%s\n",
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CVT100_ERR(ZYAN_VT100SGR_FG_YELLOW), CVT100_ERR(ZYAN_VT100SGR_RESET));
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}
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#endif
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}
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/* ---------------------------------------------------------------------------------------------- */
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/* ============================================================================================== */
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/* Internal functions */
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/* ============================================================================================== */
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static ZyanU64 ProcessBuffer(const ZydisDecoder* decoder, const ZydisFormatter* formatter,
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/* const ZydisCacheTable* cache, */
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const ZyanU8* buffer, ZyanUSize length, ZyanBool format, ZyanBool tokenize, ZyanBool use_cache)
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{
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ZyanU64 count = 0;
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ZyanUSize offset = 0;
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ZyanStatus status;
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ZydisDecodedInstruction instruction_data;
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ZydisDecodedInstruction* instruction;
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char format_buffer[256];
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while (length > offset)
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{
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if (use_cache)
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{
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ZYAN_UNREACHABLE;
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// status = ZydisDecoderDecodeBufferCached(decoder, cache, buffer + offset,
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// length - offset, &instruction);
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} else
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{
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status = ZydisDecoderDecodeBuffer(decoder, buffer + offset, length - offset,
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&instruction_data);
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instruction = &instruction_data;
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}
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if (status == ZYDIS_STATUS_NO_MORE_DATA)
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{
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break;
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}
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if (!ZYAN_SUCCESS(status))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sUnexpected decoding error. Data: ",
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CVT100_ERR(COLOR_ERROR));
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for (ZyanUSize i = 0; i < ZYAN_MIN(ZYDIS_MAX_INSTRUCTION_LENGTH,
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length - offset); ++i)
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%02X ", (ZyanU8)buffer[offset + i]);
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}
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ZYAN_FPRINTF(ZYAN_STDERR, "%s\n", CVT100_ERR(ZYAN_VT100SGR_RESET));
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ZYAN_ASSERT(ZYAN_FALSE);
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exit(EXIT_FAILURE);
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}
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if (format)
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{
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if (tokenize)
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{
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const ZydisFormatterToken* token;
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ZydisFormatterTokenizeInstruction(formatter, instruction, format_buffer,
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sizeof(format_buffer), offset, &token);
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} else
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{
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ZydisFormatterFormatInstruction(formatter, instruction, format_buffer,
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sizeof(format_buffer), offset);
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}
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}
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offset += instruction->length;
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++count;
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}
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return count;
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}
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static void TestPerformance(const ZyanU8* buffer, ZyanUSize length, ZyanBool minimal_mode,
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ZyanBool format, ZyanBool tokenize, ZyanBool use_cache)
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{
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ZydisDecoder decoder;
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if (!ZYAN_SUCCESS(ZydisDecoderInit(&decoder, ZYDIS_MACHINE_MODE_LONG_64,
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ZYDIS_ADDRESS_WIDTH_64)))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sFailed to initialize decoder%s\n",
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CVT100_ERR(COLOR_ERROR), CVT100_ERR(ZYAN_VT100SGR_RESET));
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exit(EXIT_FAILURE);
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}
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if (!ZYAN_SUCCESS(ZydisDecoderEnableMode(&decoder, ZYDIS_DECODER_MODE_MINIMAL, minimal_mode)))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sFailed to adjust decoder-mode%s\n",
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CVT100_ERR(COLOR_ERROR), CVT100_ERR(ZYAN_VT100SGR_RESET));
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exit(EXIT_FAILURE);
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}
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// ZydisCacheTable cache;
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// if (use_cache && !ZYAN_SUCCESS(ZydisDecoderInitCache(&decoder, &cache)))
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// {
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// ZYAN_FPRINTF(ZYAN_STDERR, "%sFailed to initialize decoder-cache%s\n",
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// CVT100_ERR(COLOR_ERROR), CVT100_ERR(ZYAN_VT100SGR_RESET));
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// exit(EXIT_FAILURE);
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// }
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ZydisFormatter formatter;
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if (format)
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{
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if (!ZYAN_SUCCESS(ZydisFormatterInit(&formatter, ZYDIS_FORMATTER_STYLE_INTEL)) ||
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!ZYAN_SUCCESS(ZydisFormatterSetProperty(&formatter,
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ZYDIS_FORMATTER_PROP_FORCE_SEGMENT, ZYAN_TRUE)) ||
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!ZYAN_SUCCESS(ZydisFormatterSetProperty(&formatter,
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ZYDIS_FORMATTER_PROP_FORCE_SIZE, ZYAN_TRUE)))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sFailed to initialize instruction-formatter%s\n",
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CVT100_ERR(COLOR_ERROR), CVT100_ERR(ZYAN_VT100SGR_RESET));
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exit(EXIT_FAILURE);
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}
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}
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// Cache warmup
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ProcessBuffer(&decoder, &formatter, /* cache, */ buffer, length, format, tokenize, use_cache);
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// Testing
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ZyanU64 count = 0;
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StartCounter();
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for (ZyanU8 j = 0; j < 100; ++j)
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{
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count += ProcessBuffer(&decoder, &formatter, /* cache, */ buffer, length, format,
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tokenize, use_cache);
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}
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const char* color[4];
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color[0] = minimal_mode ? CVT100_OUT(COLOR_VALUE_G) : CVT100_OUT(COLOR_VALUE_B);
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color[1] = format ? CVT100_OUT(COLOR_VALUE_G) : CVT100_OUT(COLOR_VALUE_B);
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color[2] = tokenize ? CVT100_OUT(COLOR_VALUE_G) : CVT100_OUT(COLOR_VALUE_B);
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color[3] = use_cache ? CVT100_OUT(COLOR_VALUE_G) : CVT100_OUT(COLOR_VALUE_B);
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ZYAN_PRINTF("Minimal-Mode %s%d%s, Format %s%d%s, Tokenize %s%d%s, Caching %s%d%s, " \
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"Instructions: %s%6.2fM%s, Time: %s%8.2f%s msec\n",
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color[0], minimal_mode, CVT100_OUT(COLOR_DEFAULT),
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color[1], format, CVT100_OUT(COLOR_DEFAULT),
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color[2], tokenize, CVT100_OUT(COLOR_DEFAULT),
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color[3], use_cache, CVT100_OUT(COLOR_DEFAULT),
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CVT100_OUT(COLOR_VALUE_B), (double)count / 1000000, CVT100_OUT(COLOR_DEFAULT),
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CVT100_OUT(COLOR_VALUE_G), GetCounter(), CVT100_OUT(COLOR_DEFAULT));
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}
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static void GenerateTestData(FILE* file, ZyanU8 encoding)
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{
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ZydisDecoder decoder;
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if (!ZYAN_SUCCESS(
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ZydisDecoderInit(&decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_ADDRESS_WIDTH_64)))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sFailed to initialize decoder%s\n", CVT100_ERR(COLOR_ERROR),
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CVT100_ERR(ZYAN_VT100SGR_RESET));
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exit(EXIT_FAILURE);
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}
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ZyanU8 last = 0;
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ZyanU32 count = 0;
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ZydisDecodedInstruction instruction;
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while (count < 100000)
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{
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ZyanU8 data[ZYDIS_MAX_INSTRUCTION_LENGTH];
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for (int i = 0; i < ZYDIS_MAX_INSTRUCTION_LENGTH; ++i)
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{
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data[i] = rand() % 256;
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}
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const ZyanU8 offset = rand() % (ZYDIS_MAX_INSTRUCTION_LENGTH - 2);
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switch (encoding)
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{
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case 0:
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break;
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case 1:
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data[offset ] = 0x0F;
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data[offset + 1] = 0x0F;
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break;
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case 2:
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data[offset ] = 0x8F;
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break;
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case 3:
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data[offset ] = 0xC4;
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break;
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case 4:
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data[offset ] = 0xC5;
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break;
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case 5:
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case 6:
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data[offset ] = 0x62;
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break;
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default:
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ZYAN_UNREACHABLE;
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}
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if (ZYAN_SUCCESS(ZydisDecoderDecodeBuffer(&decoder, data, sizeof(data), &instruction)))
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{
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ZyanBool b = ZYAN_FALSE;
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switch (encoding)
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{
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case 0:
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b = (instruction.encoding == ZYDIS_INSTRUCTION_ENCODING_LEGACY);
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break;
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case 1:
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b = (instruction.encoding == ZYDIS_INSTRUCTION_ENCODING_3DNOW);
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break;
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case 2:
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b = (instruction.encoding == ZYDIS_INSTRUCTION_ENCODING_XOP);
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break;
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case 3:
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case 4:
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b = (instruction.encoding == ZYDIS_INSTRUCTION_ENCODING_VEX);
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break;
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case 5:
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b = (instruction.encoding == ZYDIS_INSTRUCTION_ENCODING_EVEX);
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break;
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case 6:
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b = (instruction.encoding == ZYDIS_INSTRUCTION_ENCODING_MVEX);
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break;
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default:
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ZYAN_UNREACHABLE;
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}
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if (b)
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{
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fwrite(&data[0], sizeof(ZyanU8), instruction.length, file);
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++count;
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const ZyanU8 p = (ZyanU8)((double)count / 100000 * 100);
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if (last < p)
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{
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last = p;
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ZYAN_PRINTF("%3.0d%%\n", p);
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}
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}
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}
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}
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}
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/* ============================================================================================== */
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/* Entry point */
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/* ============================================================================================== */
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int main(int argc, char** argv)
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{
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// Enable VT100 escape sequences on Windows, if the output is not redirected
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g_vt100_stdout = (ZyanTerminalIsTTY(ZYAN_STDSTREAM_OUT) == ZYAN_STATUS_TRUE) &&
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ZYAN_SUCCESS(ZyanTerminalEnableVT100(ZYAN_STDSTREAM_OUT));
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g_vt100_stderr = (ZyanTerminalIsTTY(ZYAN_STDSTREAM_ERR) == ZYAN_STATUS_TRUE) &&
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ZYAN_SUCCESS(ZyanTerminalEnableVT100(ZYAN_STDSTREAM_ERR));
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if (ZydisGetVersion() != ZYDIS_VERSION)
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sInvalid zydis version%s\n",
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CVT100_ERR(COLOR_ERROR), CVT100_ERR(ZYAN_VT100SGR_RESET));
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return EXIT_FAILURE;
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}
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if (argc < 3 || (ZYAN_STRCMP(argv[1], "-test") && ZYAN_STRCMP(argv[1], "-generate")))
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{
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ZYAN_FPRINTF(ZYAN_STDERR, "%sUsage: %s -[test|generate] [directory]%s\n",
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CVT100_ERR(COLOR_ERROR), (argc > 0 ? argv[0] : "PerfTest"),
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CVT100_ERR(ZYAN_VT100SGR_RESET));
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return EXIT_FAILURE;
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}
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ZyanBool generate = ZYAN_FALSE;
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if (!ZYAN_STRCMP(argv[1], "-generate"))
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{
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generate = ZYAN_TRUE;
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}
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const char* directory = argv[2];
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static const struct
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{
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const char* encoding;
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const char* filename;
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} tests[7] =
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{
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{ "DEFAULT", "enc_default.dat" },
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{ "3DNOW" , "enc_3dnow.dat" },
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{ "XOP" , "enc_xop.dat" },
|
|
{ "VEX_C4" , "enc_vex_c4.dat" },
|
|
{ "VEX_C5" , "enc_vex_c5.dat" },
|
|
{ "EVEX" , "enc_evex.dat" },
|
|
{ "MVEX" , "enc_mvex.dat" }
|
|
};
|
|
|
|
if (generate)
|
|
{
|
|
time_t t;
|
|
srand((unsigned)time(&t));
|
|
} else
|
|
{
|
|
AdjustProcessAndThreadPriority();
|
|
}
|
|
|
|
for (ZyanU8 i = 0; i < ZYAN_ARRAY_LENGTH(tests); ++i)
|
|
{
|
|
FILE* file;
|
|
|
|
const ZyanUSize len = strlen(directory);
|
|
char buf[1024];
|
|
strncpy(&buf[0], directory, sizeof(buf) - 1);
|
|
if (generate)
|
|
{
|
|
file = fopen(strncat(buf, tests[i].filename, sizeof(buf) - len - 1), "wb");
|
|
} else
|
|
{
|
|
file = fopen(strncat(buf, tests[i].filename, sizeof(buf) - len - 1), "rb");
|
|
}
|
|
if (!file)
|
|
{
|
|
ZYAN_FPRINTF(ZYAN_STDERR, "%sCould not open file \"%s\": %s%s\n",
|
|
CVT100_ERR(COLOR_ERROR), &buf[0], strerror(ZYAN_ERRNO),
|
|
CVT100_ERR(ZYAN_VT100SGR_RESET));
|
|
continue;
|
|
}
|
|
|
|
if (generate)
|
|
{
|
|
ZYAN_PRINTF("Generating %s%s%s ...\n", CVT100_OUT(COLOR_VALUE_B), tests[i].encoding,
|
|
CVT100_OUT(ZYAN_VT100SGR_RESET));
|
|
GenerateTestData(file, i);
|
|
} else
|
|
{
|
|
fseek(file, 0L, SEEK_END);
|
|
const long length = ftell(file);
|
|
void* buffer = malloc(length);
|
|
if (!buffer)
|
|
{
|
|
ZYAN_FPRINTF(ZYAN_STDERR,
|
|
"%sFailed to allocate %" PRIu64 " bytes on the heap%s\n",
|
|
CVT100_ERR(COLOR_ERROR), (ZyanU64)length, CVT100_ERR(ZYAN_VT100SGR_RESET));
|
|
goto NextFile2;
|
|
}
|
|
|
|
rewind(file);
|
|
if (fread(buffer, 1, length, file) != (ZyanUSize)length)
|
|
{
|
|
ZYAN_FPRINTF(ZYAN_STDERR,
|
|
"%sCould not read %" PRIu64 " bytes from file \"%s\"%s\n",
|
|
CVT100_ERR(COLOR_ERROR), (ZyanU64)length, &buf[0],
|
|
CVT100_ERR(ZYAN_VT100SGR_RESET));
|
|
goto NextFile1;
|
|
}
|
|
|
|
ZYAN_PRINTF("%sTesting %s%s%s ...\n", CVT100_OUT(ZYAN_VT100SGR_FG_MAGENTA),
|
|
CVT100_OUT(ZYAN_VT100SGR_FG_BRIGHT_MAGENTA), tests[i].encoding,
|
|
CVT100_OUT(COLOR_DEFAULT));
|
|
TestPerformance(buffer, length, ZYAN_TRUE , ZYAN_FALSE, ZYAN_FALSE, ZYAN_FALSE);
|
|
TestPerformance(buffer, length, ZYAN_FALSE, ZYAN_FALSE, ZYAN_FALSE, ZYAN_FALSE);
|
|
// TestPerformance(buffer, length, ZYAN_FALSE, ZYAN_FALSE, ZYAN_FALSE, ZYAN_TRUE);
|
|
TestPerformance(buffer, length, ZYAN_FALSE, ZYAN_TRUE , ZYAN_FALSE, ZYAN_FALSE);
|
|
// TestPerformance(buffer, length, ZYAN_FALSE, ZYAN_TRUE , ZYAN_FALSE, ZYAN_TRUE);
|
|
TestPerformance(buffer, length, ZYAN_FALSE, ZYAN_TRUE , ZYAN_TRUE , ZYAN_FALSE);
|
|
// TestPerformance(buffer, length, ZYAN_FALSE, ZYAN_TRUE , ZYAN_TRUE , ZYAN_TRUE);
|
|
ZYAN_PUTS("");
|
|
|
|
NextFile1:
|
|
free(buffer);
|
|
}
|
|
|
|
NextFile2:
|
|
fclose(file);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ============================================================================================== */
|