1 /*****************************************************************************/
5 /* Disassembler attribute table */
9 /* (C) 2000 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
49 /*****************************************************************************/
51 /*****************************************************************************/
56 static unsigned char AttrTab [0x10000];
59 static const char* SymTab [0x10000];
63 /*****************************************************************************/
65 /*****************************************************************************/
69 void AddrCheck (unsigned Addr)
70 /* Check if the given address has a valid range */
72 if (Addr >= 0x10000) {
73 Error ("Address out of range: %08X", Addr);
79 void MarkRange (unsigned Start, unsigned End, attr_t Attr)
80 /* Mark a range with the given attribute */
82 /* Do it easy here... */
83 while (Start <= End) {
84 MarkAddr (Start++, Attr);
90 void MarkAddr (unsigned Addr, attr_t Attr)
91 /* Mark an address with an attribute */
93 /* Check the given address */
96 /* We must not have more than one style bit */
97 if (Attr & atStyleMask) {
98 if (AttrTab[Addr] & atStyleMask) {
99 Error ("Duplicate style for address %04X", Addr);
104 AttrTab[Addr] |= Attr;
109 const char* MakeLabelName (unsigned Addr)
110 /* Make the default label name from the given address and return it in a
114 static char LabelBuf [32];
115 xsprintf (LabelBuf, sizeof (LabelBuf), "L%04X", Addr);
121 void AddLabel (unsigned Addr, const char* Name)
124 /* Check the given address */
127 /* Must not have two symbols for one address */
128 if (SymTab[Addr] != 0) {
129 if (strcmp (SymTab[Addr], Name) == 0) {
130 /* Allow label if it has the same name */
133 Error ("Duplicate label for address %04X: %s/%s", Addr, SymTab[Addr], Name);
136 /* Create a new label */
137 SymTab[Addr] = xstrdup (Name);
142 int HaveLabel (unsigned Addr)
143 /* Check if there is a label for the given address */
145 /* Check the given address */
148 /* Check for a label */
149 return (SymTab[Addr] != 0);
154 const char* GetLabel (unsigned Addr)
155 /* Return the label for an address */
157 /* Check the given address */
160 /* Return the label if any */
166 unsigned char GetStyle (unsigned Addr)
167 /* Return the style attribute for the given address */
169 /* Check the given address */
172 /* Return the attribute */
173 return (AttrTab[Addr] & atStyleMask);