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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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llvm-svn: 141822
This commit is contained in:
Owen Anderson
2011-10-12 22:21:32 +00:00
parent e3aef1d063
commit fb02ecde5e
1 changed files with 17 additions and 2 deletions
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19
llvm/lib/Object/MachOObjectFile.cpp
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@@ -449,15 +449,30 @@ error_code MachOObjectFile::isSectionBSS(DataRefImpl DRI,
error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
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()) {
InMemoryStruct<macho::Symbol64TableEntry> 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 {
InMemoryStruct<macho::SymbolTableEntry> 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;
}