1 files changed, 70 insertions, 0 deletions
diff --git a/src/third_party/libdisasm/x86_imm.c b/src/third_party/libdisasm/x86_imm.c
new file mode 100644
index 00000000..cd59bfc9
--- /dev/null
+++ b/src/third_party/libdisasm/x86_imm.c
@@ -0,0 +1,70 @@
+#include "qword.h"
+#include "x86_imm.h"
+
+#include <stdio.h>
+
+unsigned int x86_imm_signsized( unsigned char * buf, size_t buf_len,
+				void *dest, unsigned int size ) {
+	signed char *cp = (signed char *) dest;
+	signed short *sp = (signed short *) dest;
+	int32_t *lp = (int32_t *) dest;
+	qword_t *qp = (qword_t *) dest;
+
+	if ( size > buf_len ) {
+		return 0;
+	}
+
+	/* Copy 'size' bytes from *buf to *op
+	 * return number of bytes copied */
+	switch (size) {
+		case 1:		/* BYTE */
+			*cp =  *((signed char *) buf);
+			break;
+		case 2:		/* WORD */
+			*sp =  *((signed short *) buf);
+			break;
+		case 6:
+		case 8:		/* QWORD */
+			*qp = *((qword_t *) buf);
+			break;
+		case 4:		/* DWORD */
+		default:
+			*lp = *((int32_t *) buf);
+			break;
+	}
+	return (size);
+}
+
+unsigned int x86_imm_sized( unsigned char * buf, size_t buf_len, void *dest,
+			    unsigned int size ) {
+	unsigned char *cp = (unsigned char *) dest;
+	unsigned short *sp = (unsigned short *) dest;
+	uint32_t *lp = (uint32_t *) dest;
+	qword_t *qp = (qword_t *) dest;
+
+	if ( size > buf_len ) {
+		return 0;
+	}
+
+	/* Copy 'size' bytes from *buf to *op
+	 * return number of bytes copied */
+	switch (size) {
+		case 1:		/* BYTE */
+			*cp =  *((unsigned char *) buf);
+			break;
+		case 2:		/* WORD */
+			*sp =  *((unsigned short *) buf);
+			break;
+		case 6:
+		case 8:		/* QWORD */
+			*qp = *((qword_t *) buf);
+			break;
+		case 4:		/* DWORD */
+		default:
+			*lp = *((uint32_t *) buf);
+			break;
+	}
+
+	return (size);
+}
+