void DwarfInfo::addLineEntries(TCRange range,
const Unit *unit,
PC instr,
FunctionInfo* f) {
if (unit == nullptr || instr == nullptr) {
// For stubs, just add line 0
f->m_lineTable.push_back(LineEntry(range, 0));
return;
}
Offset offset = unit->offsetOf(instr);
int lineNum = unit->getLineNumber(offset);
if (lineNum >= 0) {
f->m_lineTable.push_back(LineEntry(range, lineNum));
}
}
static LineTable createLineTable(SourceLocTable& srcLoc, Offset bclen) {
LineTable lines;
for (size_t i = 0; i < srcLoc.size(); ++i) {
Offset endOff = i < srcLoc.size() - 1 ? srcLoc[i + 1].first : bclen;
lines.push_back(LineEntry(endOff, srcLoc[i].second.line1));
}
return lines;
}
int Unit::getLineNumber(Offset pc) const {
LineEntry key = LineEntry(pc, -1);
std::vector<LineEntry>::const_iterator it =
upper_bound(m_lineTable.begin(), m_lineTable.end(), key);
if (it != m_lineTable.end()) {
ASSERT(pc < it->pastOffset());
return it->val();
}
return -1;
}
