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Add support for expressions in .sleb/.uleb directives.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118023 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2010-11-02 17:22:24 +00:00
parent 8bc9ef77b7
commit 3ff57094a7
12 changed files with 236 additions and 95 deletions
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11
lib/MC/MCDwarf.cpp
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@ -125,7 +125,7 @@ static inline void EmitDwarfSetAddress(MCObjectStreamer *MCOS,
MCOS->EmitIntValue(dwarf::DW_LNS_extended_op, 1);
int sizeof_address = MCOS->getAssembler().getBackend().getPointerSize();
MCOS->EmitULEB128Value(sizeof_address + 1);
MCOS->EmitULEB128IntValue(sizeof_address + 1);
MCOS->EmitIntValue(dwarf::DW_LNE_set_address, 1);
MCOS->EmitSymbolValue(Symbol, sizeof_address);
@ -157,17 +157,17 @@ static inline bool EmitDwarfLineTable(MCObjectStreamer *MCOS,
if (FileNum != it->getFileNum()) {
FileNum = it->getFileNum();
MCOS->EmitIntValue(dwarf::DW_LNS_set_file, 1);
MCOS->EmitULEB128Value(FileNum);
MCOS->EmitULEB128IntValue(FileNum);
}
if (Column != it->getColumn()) {
Column = it->getColumn();
MCOS->EmitIntValue(dwarf::DW_LNS_set_column, 1);
MCOS->EmitULEB128Value(Column);
MCOS->EmitULEB128IntValue(Column);
}
if (Isa != it->getIsa()) {
Isa = it->getIsa();
MCOS->EmitIntValue(dwarf::DW_LNS_set_isa, 1);
MCOS->EmitULEB128Value(Isa);
MCOS->EmitULEB128IntValue(Isa);
}
if ((it->getFlags() ^ Flags) & DWARF2_FLAG_IS_STMT) {
Flags = it->getFlags();
@ -303,7 +303,8 @@ void MCDwarfFileTable::Emit(MCObjectStreamer *MCOS,
for (unsigned i = 1; i < MCDwarfFiles.size(); i++) {
MCOS->EmitBytes(MCDwarfFiles[i]->getName(), 0); // FileName
MCOS->EmitBytes(StringRef("\0", 1), 0); // the null term. of the string
MCOS->EmitULEB128Value(MCDwarfFiles[i]->getDirIndex()); // the Directory num
// the Directory num
MCOS->EmitULEB128IntValue(MCDwarfFiles[i]->getDirIndex());
MCOS->EmitIntValue(0, 1); // last modification timestamp (always 0)
MCOS->EmitIntValue(0, 1); // filesize (always 0)
}