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Hoist some grossly duplicated code from the COFF/ELF/MachO streamers into MCObjectStreamer.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165225 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2012-10-04 13:12:43 +00:00
parent ee700cfc94
commit e660fc15fe
5 changed files with 32 additions and 126 deletions
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25
lib/MC/MCObjectStreamer.cpp
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@ -232,6 +232,31 @@ void MCObjectStreamer::EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
new MCDwarfCallFrameFragment(*AddrDelta, getCurrentSectionData());
}
void MCObjectStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) {
assert(AddrSpace == 0 && "Address space must be 0!");
getOrCreateDataFragment()->getContents().append(Data.begin(), Data.end());
}
void MCObjectStreamer::EmitValueToAlignment(unsigned ByteAlignment,
int64_t Value,
unsigned ValueSize,
unsigned MaxBytesToEmit) {
if (MaxBytesToEmit == 0)
MaxBytesToEmit = ByteAlignment;
new MCAlignFragment(ByteAlignment, Value, ValueSize, MaxBytesToEmit,
getCurrentSectionData());
// Update the maximum alignment on the current section if necessary.
if (ByteAlignment > getCurrentSectionData()->getAlignment())
getCurrentSectionData()->setAlignment(ByteAlignment);
}
void MCObjectStreamer::EmitCodeAlignment(unsigned ByteAlignment,
unsigned MaxBytesToEmit) {
EmitValueToAlignment(ByteAlignment, 0, 1, MaxBytesToEmit);
cast<MCAlignFragment>(getCurrentFragment())->setEmitNops(true);
}
bool MCObjectStreamer::EmitValueToOffset(const MCExpr *Offset,
unsigned char Value) {
int64_t Res;