2 * util.c: Assorted utilities for the disassembler
5 * Miguel de Icaza (miguel@ximian.com)
7 * (C) 2001 Ximian, Inc (http://www.ximian.com)
22 * @code: code to lookup in table
23 * @table: table to decode code
25 * Warning: returns static buffer.
28 map (guint32 code, dis_map_t *table)
32 for (i = 0; table [i].str != NULL; i++)
33 if (table [i].code == code)
35 return "invalid-flags";
41 * @table: table to decode bitfield
43 * Warning: returns static buffer.
46 flags (guint32 code, dis_map_t *table)
48 static char buffer [1024];
53 for (i = 0; code && table [i].str != NULL; i++)
54 if (table [i].code & code) {
55 code &= ~table [i].code;
56 strcat (buffer, table [i].str);
60 sprintf (buffer + strlen (buffer), "unknown-flag-%2x ", code);
67 * @buffer: pointer to buffer to dump
68 * @base: numbering base to use
69 * @count: number of bytes to dump
72 hex_dump (const char *buffer, int base, int count)
82 for (i = 0; i < count; i++){
85 printf ("\n0x%08X: ", (unsigned char) base + i);
87 printf ("%02X ", (unsigned char) (buffer [i]));
93 data_dump (const char *data, int len, const char* prefix) {
97 return g_strdup (" ()\n");
98 str = g_string_new (" (");
99 for (i = 0; i + 15 < len; i += 16) {
101 g_string_append_printf (str, "\n");
102 g_string_append_printf (str, "%s", prefix);
103 for (j = 0; j < 16; ++j)
104 g_string_append_printf (str, "%02X ", (unsigned char) (data [i + j]));
105 g_string_append_printf (str, i == len - 16? ") // ": " // ");
106 for (j = 0; j < 16; ++j)
107 g_string_append_printf (str, "%c", data [i + j] >= 32 && data [i + j] <= 126? data [i + j]: '.');
108 g_string_append_printf (str, "\n");
111 return g_string_free (str, FALSE);
113 g_string_append_printf (str, "%s", prefix);
116 g_string_append_printf (str, "%02X ", (unsigned char) (data [i]));
119 int count = 16 - (len % 16);
120 for (i = 0; i < count; ++i)
121 g_string_append_printf (str, " ");
123 g_string_append_printf (str, ") // ");
124 for (i = j; i < len; ++i)
125 g_string_append_printf (str, "%c", data [i] >= 32 && data [i] <= 126? data [i]: '.');
126 g_string_append_printf (str, "\n");
127 return g_string_free (str, FALSE);
131 dis_isinf (double num)
135 #elif defined(HAVE_IEEEFP_H)
138 klass = fpclass (num);
139 if (klass == FP_NINF)
142 if (klass == FP_PINF)
146 #elif defined(HAVE__FINITE)
147 return _finite (num) ? 0 : 1;
149 #error "Don't know how to implement isinf for this platform."
154 dis_isnan (double num)
156 #ifdef __MINGW32_VERSION