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Add DWARFFormValue::getAsBlock() and add FC_Flag as an acceptable class for an unsigned constant. 

To be used in further patches that improve the dumpers.

llvm-svn: 217129
This commit is contained in:
Frederic Riss 2014-09-04 06:14:35 +00:00
parent e10ccef9b3
commit f3549a2396
2 changed files with 10 additions and 1 deletions
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1
llvm/include/llvm/DebugInfo/DWARFFormValue.h
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@ -70,6 +70,7 @@ public:
Optional<const char *> getAsCString(const DWARFUnit *U) const;
Optional<uint64_t> getAsAddress(const DWARFUnit *U) const;
Optional<uint64_t> getAsSectionOffset() const;
Optional<ArrayRef<const uint8_t>> getAsBlock() const;
bool skipValue(DataExtractor debug_info_data, uint32_t *offset_ptr,
const DWARFUnit *u) const;

10
llvm/lib/DebugInfo/DWARFFormValue.cpp
View File

@ -543,7 +543,15 @@ Optional<uint64_t> DWARFFormValue::getAsSectionOffset() const {
}
Optional<uint64_t> DWARFFormValue::getAsUnsignedConstant() const {
if (!isFormClass(FC_Constant) || Form == DW_FORM_sdata)
if ((!isFormClass(FC_Constant) && !isFormClass(FC_Flag))
|| Form == DW_FORM_sdata)
return None;
return Value.uval;
}
Optional<ArrayRef<const uint8_t>> DWARFFormValue::getAsBlock() const {
if (!isFormClass(FC_Block) && !isFormClass(FC_Exprloc))
return None;
return ArrayRef<const uint8_t>(Value.data, Value.uval);
}