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This patch improves the MCJIT runtime dynamic loader by adding new handling

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of zero-initialized sections, virtual sections and common symbols
and preventing the loading of sections which are not required for
execution such as debug information.

Patch by Andy Kaylor!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154610 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Preston Gurd
2012-04-12 20:13:57 +00:00
parent f0bcecc0d5
commit c68dda815e
28 changed files with 319 additions and 80 deletions
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4
include/llvm/Object/COFF.h
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@ -126,6 +126,10 @@ protected:
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const;
virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
bool &Res) const;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const;
virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;