boolean DEH_SetStringMapping(deh_context_t *context, deh_mapping_t *mapping,
void *structptr, char *name, char *value)
{
deh_mapping_entry_t *entry;
void *location;
entry = GetMappingEntryByName(context, mapping, name);
if (entry == NULL)
{
return false;
}
// Sanity check:
if (!entry->is_string)
{
DEH_Error(context, "Tried to set '%s' as string (BUG)", name);
return false;
}
location = GetStructField(structptr, mapping, entry);
// Copy value into field:
M_StringCopy(location, value, entry->size);
return true;
}
Type GetStructValTempl(PSYM_FIELD pStruct, const char *name, Type defVal)
{
Type val = defVal;
PSYM_FIELD pField = GetStructField(pStruct, name);
if (pField != NULL)
val = *((Type *)(pField->fieldData));
return val;
}
boolean DEH_SetMapping(deh_context_t *context, deh_mapping_t *mapping,
void *structptr, char *name, int value)
{
deh_mapping_entry_t *entry;
void *location;
entry = GetMappingEntryByName(context, mapping, name);
if (entry == NULL)
{
return false;
}
// Sanity check:
if (entry->is_string)
{
DEH_Error(context, "Tried to set '%s' as integer (BUG)", name);
return false;
}
location = GetStructField(structptr, mapping, entry);
// printf("Setting %p::%s to %i (%i bytes)\n",
// structptr, name, value, entry->size);
// Set field content based on its type:
switch (entry->size)
{
case 1:
* ((uint8_t *) location) = value;
break;
case 2:
* ((uint16_t *) location) = value;
break;
case 4:
* ((uint32_t *) location) = value;
break;
default:
DEH_Error(context, "Unknown field type for '%s' (BUG)", name);
return false;
}
return true;
}
WDBG_PTR GetStructPointer(PCMD_CTX ctx, PSYM_FIELD pStruct, const char *name)
{
WDBG_PTR val = 0;
PSYM_FIELD pField = GetStructField(pStruct, name);
if (pField != NULL)
{
if (ctx->pointerLen == 8)
{
ULONG64 ptr = *((ULONG64 *)(pField->fieldData));
val = ptr;
}
else
{
ULONG32 ptr = *((ULONG32 *)(pField->fieldData));
val = SIGN_EXTEND32(ptr);
}
}
return val;
}
