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MC: Add MCSectionData::AddressSize, which is the size of the address space consumed by the section. This can differ from both the section logical size, and the section size on disk (although the current code handles this without making an explicit distinction).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103689 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2010-05-13 01:10:22 +00:00
parent 4bf4bafcce
commit b5844ff1c4
3 changed files with 30 additions and 9 deletions
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21
lib/MC/MCAssembler.cpp
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@ -126,6 +126,14 @@ void MCAsmLayout::setSectionFileSize(MCSectionData *SD, uint64_t Value) {
SD->FileSize = Value;
}
uint64_t MCAsmLayout::getSectionAddressSize(const MCSectionData *SD) const {
assert(SD->AddressSize != ~UINT64_C(0) && "Address size not set!");
return SD->AddressSize;
}
void MCAsmLayout::setSectionAddressSize(MCSectionData *SD, uint64_t Value) {
SD->AddressSize = Value;
}
/* *** */
MCFragment::MCFragment() : Kind(FragmentType(~0)) {
@ -150,6 +158,7 @@ MCSectionData::MCSectionData(const MCSection &_Section, MCAssembler *A)
Alignment(1),
Address(~UINT64_C(0)),
Size(~UINT64_C(0)),
AddressSize(~UINT64_C(0)),
FileSize(~UINT64_C(0)),
HasInstructions(false)
{
@ -434,7 +443,8 @@ void MCAssembler::LayoutSection(MCAsmLayout &Layout,
uint64_t StartAddress = 0;
if (SectionOrderIndex) {
MCSectionData *Prev = Layout.getSectionOrder()[SectionOrderIndex - 1];
StartAddress = Layout.getSectionAddress(Prev) + Layout.getSectionSize(Prev);
StartAddress = (Layout.getSectionAddress(Prev) +
Layout.getSectionAddressSize(Prev));
}
// Align this section if necessary by adding padding bytes to the previous
@ -465,6 +475,7 @@ void MCAssembler::LayoutSection(MCAsmLayout &Layout,
Size = Layout.getFragmentOffset(F) + Layout.getFragmentEffectiveSize(F);
}
Layout.setSectionSize(&SD, Size);
Layout.setSectionAddressSize(&SD, Size);
Layout.setSectionFileSize(&SD, IsVirtual ? 0 : Size);
}
@ -837,9 +848,7 @@ void MCFragment::dump() {
raw_ostream &OS = llvm::errs();
OS << "<MCFragment " << (void*) this << " Offset:" << Offset
<< " EffectiveSize:" << EffectiveSize;
OS << ">";
<< " EffectiveSize:" << EffectiveSize << ">";
}
void MCAlignFragment::dump() {
@ -914,8 +923,8 @@ void MCSectionData::dump() {
OS << "<MCSectionData";
OS << " Alignment:" << getAlignment() << " Address:" << Address
<< " Size:" << Size << " FileSize:" << FileSize
<< " Fragments:[\n ";
<< " Size:" << Size << " AddressSize:" << AddressSize
<< " FileSize:" << FileSize << " Fragments:[\n ";
for (iterator it = begin(), ie = end(); it != ie; ++it) {
if (it != begin()) OS << ",\n ";
it->dump();