diff options
| author | Dmitry Polukhin <dmitry.polukhin@gmail.com> | 2016-04-07 12:32:19 +0000 |
|---|---|---|
| committer | Dmitry Polukhin <dmitry.polukhin@gmail.com> | 2016-04-07 12:32:19 +0000 |
| commit | a1feff7024b552b579f302fea0030aaaa14624b3 (patch) | |
| tree | bc5cbda70333854512705e91da81598e4368a052 /llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | 79cb643b201bfa1acba9a1afef7395f3be3f60e6 (diff) | |
| download | llvm-a1feff7024b552b579f302fea0030aaaa14624b3.zip llvm-a1feff7024b552b579f302fea0030aaaa14624b3.tar.gz llvm-a1feff7024b552b579f302fea0030aaaa14624b3.tar.bz2 | |
[GCC] Attribute ifunc support in llvm
This patch add support for GCC attribute((ifunc("resolver"))) for
targets that use ELF as object file format. In general ifunc is a
special kind of function alias with type @gnu_indirect_function. Patch
for Clang http://reviews.llvm.org/D15524
Differential Revision: http://reviews.llvm.org/D15525
llvm-svn: 265667
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index cbaaea8..23cd088 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -809,6 +809,18 @@ static uint64_t WriteModuleInfo(const Module *M, const ValueEnumerator &VE, Vals.clear(); } + // Emit the ifunc information. + for (const GlobalIFunc &I : M->ifuncs()) { + // IFUNC: [ifunc type, address space, resolver val#, linkage, visibility] + Vals.push_back(VE.getTypeID(I.getValueType())); + Vals.push_back(I.getType()->getAddressSpace()); + Vals.push_back(VE.getValueID(I.getResolver())); + Vals.push_back(getEncodedLinkage(I)); + Vals.push_back(getEncodedVisibility(I)); + Stream.EmitRecord(bitc::MODULE_CODE_IFUNC, Vals); + Vals.clear(); + } + // Emit the module's source file name. { StringEncoding Bits = getStringEncoding(M->getSourceFileName().data(), |