[mach-o] generate LC_DATA_IN_CODE in final linked images
lld was regenerating LC_DATA_IN_CODE in .o output files, but not into
final linked images.
Update test case to verify data-in-code info makes it into final linked images.
llvm-svn: 220827
diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
index 275060d..543b60f 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
@@ -415,6 +415,12 @@
++count;
}
+ // Add LC_DATA_IN_CODE if needed
+ if (!_file.dataInCode.empty()) {
+ size += sizeof(linkedit_data_command);
+ ++count;
+ }
+
return size;
}
@@ -823,6 +829,17 @@
lc[sizeof(dylib_command)+dep.path.size()] = '\0';
lc += size;
}
+ // Add LC_DATA_IN_CODE if needed.
+ if (_dataInCodeSize != 0) {
+ linkedit_data_command* dl = reinterpret_cast<linkedit_data_command*>(lc);
+ dl->cmd = LC_DATA_IN_CODE;
+ dl->cmdsize = sizeof(linkedit_data_command);
+ dl->dataoff = _startOfDataInCode;
+ dl->datasize = _dataInCodeSize;
+ if (_swap)
+ swapStruct(*dl);
+ lc += sizeof(linkedit_data_command);
+ }
}
return ec;
}
@@ -1242,6 +1259,7 @@
writeLazyBindingInfo();
// TODO: add weak binding info
writeExportInfo();
+ writeDataInCodeInfo();
writeSymbolTable();
}
}