Master

main.c

+/*
+ * tab:2
+ *
+ * main.c - I/O and P3 setup
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice and the following
+ * two paragraphs appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL THE AUTHOR OR THE UNIVERSITY OF ILLINOIS BE LIABLE TO
+ * ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+ * DAMAGES ARISING OUT  OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
+ * EVEN IF THE AUTHOR AND/OR THE UNIVERSITY OF ILLINOIS HAS BEEN ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE AUTHOR AND THE UNIVERSITY OF ILLINOIS SPECIFICALLY DISCLAIM ANY
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE
+ * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND NEITHER THE AUTHOR NOR
+ * THE UNIVERSITY OF ILLINOIS HAS ANY OBLIGATION TO PROVIDE MAINTENANCE,
+ * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ * Author:        Aamir Hasan
+ * Version:       1
+ * Creation Date: Sun Aug 30 2020
+ * Author:        Yan Miao
+ * Version:       2
+ * Modified Date: Sun Aug 29 2021
+ * Author:        Xiang Li
+ * Version:       2
+ * Modified Date: Sun Aug 21 2022
+ * History:
+ *    AH    1    Sun Aug 30 2020
+ *    YM    2    Sun Aug 29 2021
+ *    XL    2    Sun Aug 21 2022
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "mystery.h"
+
+#define MAX_LENGTH 500
+
+uint32_t import(char* infile, uint32_t* a, uint32_t* b) {
+  FILE* f = fopen(infile, "r");
+  if (f == NULL) return -1;
+  fscanf(f, "%u %u\n", a, b);
+  fclose(f);
+  return 0;
+}
+
+int main(int argc, char** argv) {
+  if(argc < 2) {
+    printf("Usage: ./mystery <input file>\n");
+    return -1;
+  }
+  
+  uint32_t x, y, out;
+
+  import(argv[1], &x, &y);
+  printf("\nRunning C Code\n");
+  out = mystery_c(x, y);
+  printf("Mystery(%u, %u) = %u\n\n", x, y, out);
+
+  printf("Running x86 Assembly Code\n");
+  out = mystery_asm(x, y);
+  printf("Mystery(%u, %u) = %u\n\n", x, y, out);
+
+  return 0;
+}

mystery.c

+/*
+ * tab:2
+ *
+ * mystery.c
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice and the following
+ * two paragraphs appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL THE AUTHOR OR THE UNIVERSITY OF ILLINOIS BE LIABLE TO
+ * ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+ * DAMAGES ARISING OUT  OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
+ * EVEN IF THE AUTHOR AND/OR THE UNIVERSITY OF ILLINOIS HAS BEEN ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE AUTHOR AND THE UNIVERSITY OF ILLINOIS SPECIFICALLY DISCLAIM ANY
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE
+ * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND NEITHER THE AUTHOR NOR
+ * THE UNIVERSITY OF ILLINOIS HAS ANY OBLIGATION TO PROVIDE MAINTENANCE,
+ * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ * Author:        Yan Miao
+ * Version:       1
+ * Creation Date: Sun Aug 29 2021
+ * Author:        Xiang Li
+ * Version:       2
+ * Modified Date: Sun Aug 21 2022
+ * History:
+ *    YM    1    Sun Aug 29 2021
+ *    XL    2    Sun Aug 21 2022
+ */
+
+#include "mystery.h"
+
+uint32_t mystery_c(uint32_t x, uint32_t y) {
+  //------- YOUR CODE HERE -------
+    if (y > 24) return 0;
+    if (x >= 42 ) return 0;
+
+    int32_t EDI = 0;
+    int32_t ESI = 1;
+
+    while( x > ESI){
+      EDI = EDI + ESI;
+      ESI++;
+    }
+
+    int32_t EDX = 1;
+    int32_t ESI = 1;
+
+    while ( y >= ESI){
+      EDX = ESI * EDX;
+      ESI++;
+    }
+    
+    EDX = EDI | EDX;
+    return EDX;
+  //------------------------------
+}

mystery.h

+/*
+ * tab:2
+ *
+ * mystery.h - mystery function declarations
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice and the following
+ * two paragraphs appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL THE AUTHOR OR THE UNIVERSITY OF ILLINOIS BE LIABLE TO
+ * ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+ * DAMAGES ARISING OUT  OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
+ * EVEN IF THE AUTHOR AND/OR THE UNIVERSITY OF ILLINOIS HAS BEEN ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE AUTHOR AND THE UNIVERSITY OF ILLINOIS SPECIFICALLY DISCLAIM ANY
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE
+ * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND NEITHER THE AUTHOR NOR
+ * THE UNIVERSITY OF ILLINOIS HAS ANY OBLIGATION TO PROVIDE MAINTENANCE,
+ * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ * Author:        Aamir Hasan
+ * Version:       1
+ * Creation Date: Sun Aug 30 2020
+ * Author:        Yan Miao
+ * Version:       2
+ * Modified Date: Sun Aug 29 2021
+
+ * History:
+ *    AH    1    Sun Aug 30 2020
+ *    YM    2    Sun Aug 29 2021
+ */
+
+#ifndef MYSTERY_H
+#define MYSTERY_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+// mystery_asm
+// 		Calculates the mystery function of the two input number 
+extern uint32_t mystery_asm(int32_t x, int32_t y);
+
+
+// mystery_c
+// 		Same as above  
+uint32_t mystery_c(uint32_t x, uint32_t y);
+
+
+#endif