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Support runtime access to public signal names

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This commit is contained in:
Wilson Snyder
2010-03-17 08:22:49 -04:00
parent 2be6b3481c
commit ba93a08b40
13 changed files with 614 additions and 19 deletions
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include/verilated.cpp
+48
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@@ -1017,12 +1017,14 @@ VerilatedScope::VerilatedScope() {
m_callbacksp = NULL;
m_namep = NULL;
m_funcnumMax = 0;
m_varsp = NULL;
}
VerilatedScope::~VerilatedScope() {
VerilatedImp::scopeErase(this);
if (m_namep) { delete [] m_namep; m_namep = NULL; }
if (m_callbacksp) { delete [] m_callbacksp; m_callbacksp = NULL; }
if (m_varsp) { delete m_varsp; m_varsp = NULL; }
m_funcnumMax = 0; // Force callback table to empty
}
@@ -1058,6 +1060,46 @@ void VerilatedScope::exportInsert(int finalize, const char* namep, void* cb) {
}
}
void VerilatedScope::varInsert(int finalize, const char* namep, void* datap, VerilatedVarType vltype, int dims, ...) {
// Grab dimensions
// In the future we may just create a large table at emit time and statically construct from that.
if (!finalize) return;
if (!m_varsp) m_varsp = new VerilatedVarNameMap();
VerilatedVar var (namep, datap, vltype);
va_list ap;
va_start(ap,dims);
for (int i=0; i<dims; ++i) {
int msb = va_arg(ap,int);
int lsb = va_arg(ap,int);
if (i==0) {
var.m_range.m_lhs = msb;
var.m_range.m_rhs = lsb;
} else if (i==1) {
var.m_array.m_lhs = msb;
var.m_array.m_rhs = lsb;
} else {
// We could have a linked list of ranges, but really this whole thing needs
// to be generalized to support structs and unions, etc.
vl_fatal(__FILE__,__LINE__,"",(string("Unsupported multi-dimensional public varInsert: ")+namep).c_str());
}
}
va_end(ap);
m_varsp->insert(make_pair(namep,var));
}
VerilatedVar* VerilatedScope::varFind(const char* namep) const {
if (VL_LIKELY(m_varsp)) {
VerilatedVarNameMap::iterator it = m_varsp->find(namep);
if (VL_LIKELY(it != m_varsp->end())) {
return &(it->second);
}
}
return NULL;
}
void* VerilatedScope::exportFindNullError(int funcnum) const {
// Slowpath - Called only when find has failed
string msg = (string("Testbench C called '")
@@ -1085,6 +1127,12 @@ void VerilatedScope::scopeDump() const {
m_callbacksp[i], VerilatedImp::exportName(i));
}
}
if (varsp()) {
for (VerilatedVarNameMap::const_iterator it = varsp()->begin();
it != varsp()->end(); ++it) {
VL_PRINTF(" VAR %p: %s\n", &(it->second), it->first);
}
}
}
//===========================================================================