1 #include "qword.h" 2 #include "x86_imm.h" 3 4 #include <stdio.h> 5 6 unsigned int x86_imm_signsized( unsigned char * buf, size_t buf_len, 7 void *dest, unsigned int size ) { 8 signed char *cp = (signed char *) dest; 9 signed short *sp = (signed short *) dest; 10 int32_t *lp = (int32_t *) dest; 11 qword_t *qp = (qword_t *) dest; 12 13 if ( size > buf_len ) { 14 return 0; 15 } 16 17 /* Copy 'size' bytes from *buf to *op 18 * return number of bytes copied */ 19 switch (size) { 20 case 1: /* BYTE */ 21 *cp = *((signed char *) buf); 22 break; 23 case 2: /* WORD */ 24 *sp = *((signed short *) buf); 25 break; 26 case 6: 27 case 8: /* QWORD */ 28 *qp = *((qword_t *) buf); 29 break; 30 case 4: /* DWORD */ 31 default: 32 *lp = *((int32_t *) buf); 33 break; 34 } 35 return (size); 36 } 37 38 unsigned int x86_imm_sized( unsigned char * buf, size_t buf_len, void *dest, 39 unsigned int size ) { 40 unsigned char *cp = (unsigned char *) dest; 41 unsigned short *sp = (unsigned short *) dest; 42 uint32_t *lp = (uint32_t *) dest; 43 qword_t *qp = (qword_t *) dest; 44 45 if ( size > buf_len ) { 46 return 0; 47 } 48 49 /* Copy 'size' bytes from *buf to *op 50 * return number of bytes copied */ 51 switch (size) { 52 case 1: /* BYTE */ 53 *cp = *((unsigned char *) buf); 54 break; 55 case 2: /* WORD */ 56 *sp = *((unsigned short *) buf); 57 break; 58 case 6: 59 case 8: /* QWORD */ 60 *qp = *((qword_t *) buf); 61 break; 62 case 4: /* DWORD */ 63 default: 64 *lp = *((uint32_t *) buf); 65 break; 66 } 67 68 return (size); 69 } 70 71
