Examples: add DisassembleSimple

Author: athre0z

CMakeLists.txt

@@ -273,6 +273,14 @@ endfunction ()
 
 if (ZYDIS_BUILD_EXAMPLES AND NOT ZYAN_NO_LIBC)
     if (ZYDIS_FEATURE_DECODER AND ZYDIS_FEATURE_FORMATTER AND (NOT ZYDIS_MINIMAL_MODE))
+        add_executable("DisassembleSimple" "examples/DisassembleSimple.c")
+        target_link_libraries("DisassembleSimple" "Zydis")
+        set_target_properties("DisassembleSimple" PROPERTIES FOLDER "Examples")
+        target_compile_definitions("DisassembleSimple" PRIVATE "_CRT_SECURE_NO_WARNINGS")
+        zyan_set_common_flags("DisassembleSimple")
+        zyan_maybe_enable_wpo("DisassembleSimple")
+        _maybe_set_emscripten_cfg("DisassembleSimple")
+
         add_executable("Disassemble" "examples/Disassemble.c")
         target_link_libraries("Disassemble" "Zydis")
         set_target_properties("Disassemble" PROPERTIES FOLDER "Examples")

examples/DisassembleSimple.c

@@ -0,0 +1,66 @@
+/***************************************************************************************************
+
+  Zyan Disassembler Library (Zydis)
+
+  Original Author : Joel Hoener
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+
+***************************************************************************************************/
+
+/**
+ * @file
+ * Demonstrates disassembling using the "all-in-one" disassembler API.
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <Zydis/Zydis.h>
+
+int main()
+{
+    ZyanU8 data[] =
+    {
+        0x51, 0x8D, 0x45, 0xFF, 0x50, 0xFF, 0x75, 0x0C, 0xFF, 0x75,
+        0x08, 0xFF, 0x15, 0xA0, 0xA5, 0x48, 0x76, 0x85, 0xC0, 0x0F,
+        0x88, 0xFC, 0xDA, 0x02, 0x00
+    };
+
+    // The runtime address (instruction pointer) was chosen arbitrarily here in order to better
+    // visualize relative addressing. In your actual program, set this to e.g. the memory address
+    // that the code being disassembled was read from.
+    ZyanU64 runtime_address = 0x007FFFFFFF400000;
+
+    // Loop over the instructions in our buffer.
+    ZyanUSize offset = 0;
+    ZydisDisassembledInstruction instruction;
+    while (ZYAN_SUCCESS(ZydisDisassembleIntel(
+        /* machine_mode:    */ ZYDIS_MACHINE_MODE_LONG_64,
+        /* runtime_address: */ runtime_address,
+        /* buffer:          */ data + offset,
+        /* length:          */ sizeof(data) - offset,
+        /* instruction:     */ &instruction
+    ))) {
+        printf("%016" PRIX64 "  %s\n", runtime_address, instruction.text);
+        offset += instruction.info.length;
+        runtime_address += instruction.info.length;
+    }
+
+    return 0;
+}