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sectionContainsSymbol needs to be based on VMA's rather than section indices to properly account for files with segment load commands that contain no sections.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141822 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2011-10-12 22:21:32 +00:00
parent 18ead6b587
commit cd74988fb9
1 changed files with 17 additions and 2 deletions
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19
lib/Object/MachOObjectFile.cpp
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@ -449,15 +449,30 @@ error_code MachOObjectFile::isSectionBSS(DataRefImpl DRI,
error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec, error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb, DataRefImpl Symb,
bool &Result) const { bool &Result) const {
SymbolRef::SymbolType ST;
getSymbolType(Symb, ST);
if (ST == SymbolRef::ST_External) {
Result = false;
return object_error::success;
}
uint64_t SectBegin, SectEnd;
getSectionAddress(Sec, SectBegin);
getSectionSize(Sec, SectEnd);
SectEnd += SectBegin;
if (MachOObj->is64Bit()) { if (MachOObj->is64Bit()) {
InMemoryStruct<macho::Symbol64TableEntry> Entry; InMemoryStruct<macho::Symbol64TableEntry> Entry;
getSymbol64TableEntry(Symb, Entry); getSymbol64TableEntry(Symb, Entry);
Result = Entry->SectionIndex == 1 + Sec.d.a + Sec.d.b; uint64_t SymAddr= Entry->Value;
Result = (SymAddr >= SectBegin) && (SymAddr < SectEnd);
} else { } else {
InMemoryStruct<macho::SymbolTableEntry> Entry; InMemoryStruct<macho::SymbolTableEntry> Entry;
getSymbolTableEntry(Symb, Entry); getSymbolTableEntry(Symb, Entry);
Result = Entry->SectionIndex == 1 + Sec.d.a + Sec.d.b; uint64_t SymAddr= Entry->Value;
Result = (SymAddr >= SectBegin) && (SymAddr < SectEnd);
} }
return object_error::success; return object_error::success;
} }