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This patch adds new functions to the SectionRef and ObjectFile interfaces to determine whether or not a section is meant to be read-only. These functions will be used by the MCJIT RuntimeDyld to give hints to the memory manager during the object loading process in a future patch.

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Patch by Ashok Thirumurthi.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165586 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Kaylor
2012-10-10 01:41:33 +00:00
parent 97d9f081a9
commit 3a129c8592
6 changed files with 41 additions and 1 deletions
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11
lib/Object/MachOObjectFile.cpp
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@@ -612,6 +612,17 @@ error_code MachOObjectFile::isSectionZeroInit(DataRefImpl DRI,
return object_error::success;
}
error_code MachOObjectFile::isSectionReadOnlyData(DataRefImpl Sec,
bool &Result) const {
// Consider using the code from isSectionText to look for __const sections.
// Alternately, emit S_ATTR_PURE_INSTRUCTIONS and/or S_ATTR_SOME_INSTRUCTIONS
// to use section attributes to distinguish code from data.
// FIXME: Unimplemented.
Result = false;
return object_error::success;
}
error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {