2 * util.c: Assorted utilities for the disassembler
5 * Miguel de Icaza (miguel@ximian.com)
7 * (C) 2001 Ximian, Inc (http://www.ximian.com)
15 #include "mono/utils/mono-compiler.h"
23 * @code: code to lookup in table
24 * @table: table to decode code
26 * Warning: returns static buffer.
29 map (guint32 code, dis_map_t *table)
33 for (i = 0; table [i].str != NULL; i++)
34 if (table [i].code == code)
36 return "invalid-flags";
42 * @table: table to decode bitfield
44 * Warning: returns static buffer.
47 flags (guint32 code, dis_map_t *table)
49 static char buffer [1024];
54 for (i = 0; code && table [i].str != NULL; i++)
55 if (table [i].code & code) {
56 code &= ~table [i].code;
57 strcat (buffer, table [i].str);
61 sprintf (buffer + strlen (buffer), "unknown-flag-%2x ", code);
68 * @buffer: pointer to buffer to dump
69 * @base: numbering base to use
70 * @count: number of bytes to dump
73 hex_dump (const char *buffer, int base, int count)
83 for (i = 0; i < count; i++){
86 printf ("\n0x%08X: ", (unsigned char) base + i);
88 printf ("%02X ", (unsigned char) (buffer [i]));
94 data_dump (const char *data, int len, const char* prefix) {
98 return g_strdup (" ()\n");
99 str = g_string_new (" (");
100 for (i = 0; i + 15 < len; i += 16) {
102 g_string_append_printf (str, "\n");
103 g_string_append_printf (str, "%s", prefix);
104 for (j = 0; j < 16; ++j)
105 g_string_append_printf (str, "%02X ", (unsigned char) (data [i + j]));
106 g_string_append_printf (str, i == len - 16? ") // ": " // ");
107 for (j = 0; j < 16; ++j)
108 g_string_append_printf (str, "%c", data [i + j] >= 32 && data [i + j] <= 126? data [i + j]: '.');
109 g_string_append_printf (str, "\n");
112 return g_string_free (str, FALSE);
114 g_string_append_printf (str, "%s", prefix);
117 g_string_append_printf (str, "%02X ", (unsigned char) (data [i]));
120 int count = 16 - (len % 16);
121 for (i = 0; i < count; ++i)
122 g_string_append_printf (str, " ");
124 g_string_append_printf (str, ") // ");
125 for (i = j; i < len; ++i)
126 g_string_append_printf (str, "%c", data [i] >= 32 && data [i] <= 126? data [i]: '.');
127 g_string_append_printf (str, "\n");
128 return g_string_free (str, FALSE);
132 dis_isinf (double num)
136 #elif defined(HAVE_IEEEFP_H)
139 klass = fpclass (num);
140 if (klass == FP_NINF)
143 if (klass == FP_PINF)
147 #elif defined(HAVE__FINITE)
148 return _finite (num) ? 0 : 1;
150 #error "Don't know how to implement isinf for this platform."
155 dis_isnan (double num)
157 #ifdef __MINGW32_VERSION