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author | ed <ed@FreeBSD.org> | 2009-06-14 09:23:33 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-14 09:23:33 +0000 |
commit | db89e312d968c258aba3c79c1c398f5fb19267a3 (patch) | |
tree | 49817b316c4fdaa56d9d16ebf2555303d1a990e0 /lib/CodeGen/ELFCodeEmitter.cpp | |
parent | de000e339094f8c6e06a635dac9a803861416ec6 (diff) | |
download | FreeBSD-src-db89e312d968c258aba3c79c1c398f5fb19267a3.zip FreeBSD-src-db89e312d968c258aba3c79c1c398f5fb19267a3.tar.gz |
Import LLVM r73340.
Diffstat (limited to 'lib/CodeGen/ELFCodeEmitter.cpp')
-rw-r--r-- | lib/CodeGen/ELFCodeEmitter.cpp | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/lib/CodeGen/ELFCodeEmitter.cpp b/lib/CodeGen/ELFCodeEmitter.cpp index c7bd873..ca68396 100644 --- a/lib/CodeGen/ELFCodeEmitter.cpp +++ b/lib/CodeGen/ELFCodeEmitter.cpp @@ -13,9 +13,9 @@ #include "llvm/Constants.h" #include "llvm/DerivedTypes.h" #include "llvm/Function.h" +#include "llvm/CodeGen/BinaryObject.h" #include "llvm/CodeGen/MachineConstantPool.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" -#include "llvm/Target/TargetData.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Support/Debug.h" @@ -28,27 +28,22 @@ namespace llvm { /// startFunction - This callback is invoked when a new machine function is /// about to be emitted. void ELFCodeEmitter::startFunction(MachineFunction &MF) { - const TargetData *TD = TM.getTargetData(); - const Function *F = MF.getFunction(); - - // Align the output buffer to the appropriate alignment, power of 2. - unsigned FnAlign = F->getAlignment(); - unsigned TDAlign = TD->getPrefTypeAlignment(F->getType()); - unsigned Align = std::max(FnAlign, TDAlign); - assert(!(Align & (Align-1)) && "Alignment is not a power of two!"); - // Get the ELF Section that this function belongs in. ES = &EW.getTextSection(); - // FIXME: better memory management, this will be replaced by BinaryObjects - ES->SectionData.reserve(4096); - BufferBegin = &ES->SectionData[0]; - BufferEnd = BufferBegin + ES->SectionData.capacity(); + DOUT << "processing function: " << MF.getFunction()->getName() << "\n"; - // Upgrade the section alignment if required. + // FIXME: better memory management, this will be replaced by BinaryObjects + BinaryData &BD = ES->getData(); + BD.reserve(4096); + BufferBegin = &BD[0]; + BufferEnd = BufferBegin + BD.capacity(); + + // Align the output buffer with function alignment, and + // upgrade the section alignment if required + unsigned Align = + TM.getELFWriterInfo()->getFunctionAlignment(MF.getFunction()); if (ES->Align < Align) ES->Align = Align; - - // Round the size up to the correct alignment for starting the new function. ES->Size = (ES->Size + (Align-1)) & (-Align); // Snaity check on allocated space for text section @@ -107,7 +102,7 @@ bool ELFCodeEmitter::finishFunction(MachineFunction &MF) { FnSym.Value = FnStartPtr-BufferBegin; // Finally, add it to the symtab. - EW.SymbolTable.push_back(FnSym); + EW.SymbolList.push_back(FnSym); // Relocations // ----------- @@ -128,7 +123,7 @@ bool ELFCodeEmitter::finishFunction(MachineFunction &MF) { } else { assert(0 && "Unhandled relocation type"); } - ES->Relocations.push_back(MR); + ES->addRelocation(MR); } Relocations.clear(); |