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DWARFDebugArangeSet: remove dead code

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193785 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov 2013-10-31 18:54:20 +00:00
parent 67b52144d2
commit 9e189f12e6
2 changed files with 0 additions and 54 deletions
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49
lib/DebugInfo/DWARFDebugArangeSet.cpp
View File

@ -20,32 +20,6 @@ void DWARFDebugArangeSet::clear() {
ArangeDescriptors.clear(); ArangeDescriptors.clear();
} }
void DWARFDebugArangeSet::compact() {
if (ArangeDescriptors.empty())
return;
// Iterate through all arange descriptors and combine any ranges that
// overlap or have matching boundaries. The ArangeDescriptors are assumed
// to be in ascending order.
uint32_t i = 0;
while (i + 1 < ArangeDescriptors.size()) {
if (ArangeDescriptors[i].getEndAddress() >= ArangeDescriptors[i+1].Address){
// The current range ends at or exceeds the start of the next address
// range. Compute the max end address between the two and use that to
// make the new length.
const uint64_t max_end_addr =
std::max(ArangeDescriptors[i].getEndAddress(),
ArangeDescriptors[i+1].getEndAddress());
ArangeDescriptors[i].Length = max_end_addr - ArangeDescriptors[i].Address;
// Now remove the next entry as it was just combined with the previous one
ArangeDescriptors.erase(ArangeDescriptors.begin()+i+1);
} else {
// Discontiguous address range, just proceed to the next one.
++i;
}
}
}
bool bool
DWARFDebugArangeSet::extract(DataExtractor data, uint32_t *offset_ptr) { DWARFDebugArangeSet::extract(DataExtractor data, uint32_t *offset_ptr) {
if (data.isValidOffset(*offset_ptr)) { if (data.isValidOffset(*offset_ptr)) {
@ -126,26 +100,3 @@ void DWARFDebugArangeSet::dump(raw_ostream &OS) const {
<< format(" 0x%*.*" PRIx64 ")\n", << format(" 0x%*.*" PRIx64 ")\n",
hex_width, hex_width, pos->getEndAddress()); hex_width, hex_width, pos->getEndAddress());
} }
namespace {
class DescriptorContainsAddress {
const uint64_t Address;
public:
DescriptorContainsAddress(uint64_t address) : Address(address) {}
bool operator()(const DWARFDebugArangeSet::Descriptor &desc) const {
return Address >= desc.Address && Address < (desc.Address + desc.Length);
}
};
}
uint32_t DWARFDebugArangeSet::findAddress(uint64_t address) const {
DescriptorConstIter end = ArangeDescriptors.end();
DescriptorConstIter pos =
std::find_if(ArangeDescriptors.begin(), end, // Range
DescriptorContainsAddress(address)); // Predicate
if (pos != end)
return HeaderData.CuOffset;
return -1U;
}

5
lib/DebugInfo/DWARFDebugArangeSet.h
View File

@ -44,7 +44,6 @@ public:
private: private:
typedef std::vector<Descriptor> DescriptorColl; typedef std::vector<Descriptor> DescriptorColl;
typedef DescriptorColl::iterator DescriptorIter;
typedef DescriptorColl::const_iterator DescriptorConstIter; typedef DescriptorColl::const_iterator DescriptorConstIter;
uint32_t Offset; uint32_t Offset;
@ -54,15 +53,11 @@ private:
public: public:
DWARFDebugArangeSet() { clear(); } DWARFDebugArangeSet() { clear(); }
void clear(); void clear();
void compact();
bool extract(DataExtractor data, uint32_t *offset_ptr); bool extract(DataExtractor data, uint32_t *offset_ptr);
void dump(raw_ostream &OS) const; void dump(raw_ostream &OS) const;
uint32_t getCompileUnitDIEOffset() const { return HeaderData.CuOffset; } uint32_t getCompileUnitDIEOffset() const { return HeaderData.CuOffset; }
uint32_t getOffsetOfNextEntry() const { return Offset + HeaderData.Length + 4; }
uint32_t findAddress(uint64_t address) const;
uint32_t getNumDescriptors() const { return ArangeDescriptors.size(); } uint32_t getNumDescriptors() const { return ArangeDescriptors.size(); }
const struct Header &getHeader() const { return HeaderData; }
const Descriptor *getDescriptor(uint32_t i) const { const Descriptor *getDescriptor(uint32_t i) const {
if (i < ArangeDescriptors.size()) if (i < ArangeDescriptors.size())
return &ArangeDescriptors[i]; return &ArangeDescriptors[i];