ObjectFile: Add a method to check whether a section contains a symbol.
- No ELF or COFF implementation yet, I don't have a way to test that.
Should be straightforward to add though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135288 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/MachOObjectFile.cpp b/lib/Object/MachOObjectFile.cpp
index 0ec5cda..26a6e13 100644
--- a/lib/Object/MachOObjectFile.cpp
+++ b/lib/Object/MachOObjectFile.cpp
@@ -60,6 +60,8 @@
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
+ virtual error_code sectionContainsSymbol(DataRefImpl DRI, DataRefImpl S,
+ bool &Result) const;
private:
MachOObject *MachOObj;
@@ -383,6 +385,21 @@
return object_error::success;
}
+error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
+ DataRefImpl Symb,
+ bool &Result) const {
+ if (MachOObj->is64Bit()) {
+ InMemoryStruct<macho::Symbol64TableEntry> Entry;
+ getSymbol64TableEntry(Symb, Entry);
+ Result = Entry->SectionIndex == 1 + Sec.d.a + Sec.d.b;
+ } else {
+ InMemoryStruct<macho::SymbolTableEntry> Entry;
+ getSymbolTableEntry(Symb, Entry);
+ Result = Entry->SectionIndex == 1 + Sec.d.a + Sec.d.b;
+ }
+ return object_error::success;
+}
+
ObjectFile::section_iterator MachOObjectFile::begin_sections() const {
DataRefImpl DRI;
DRI.d.a = DRI.d.b = 0;