diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 7 | ||||
-rw-r--r-- | lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp | 5 |
2 files changed, 12 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index d6d4510..9453a80 100644 --- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -1082,6 +1082,11 @@ void AsmPrinter::EmitJumpTableInfo() { EmitAlignment(Log2_32(MJTI->getEntryAlignment(*TM.getTargetData()))); + // Jump tables in code sections are marked with a data_region directive + // where that's supported. + if (!JTInDiffSection) + OutStreamer.EmitDataRegion(MCDR_DataRegionJT32); + for (unsigned JTI = 0, e = JT.size(); JTI != e; ++JTI) { const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; @@ -1122,6 +1127,8 @@ void AsmPrinter::EmitJumpTableInfo() { for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) EmitJumpTableEntry(MJTI, JTBBs[ii], JTI); } + if (!JTInDiffSection) + OutStreamer.EmitDataRegion(MCDR_DataRegionEnd); } /// EmitJumpTableEntry - Emit a jump table entry for the specified MBB to the diff --git a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp index b0acd7d..16488eb 100644 --- a/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp +++ b/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp @@ -34,6 +34,10 @@ AsmWriterFlavor("x86-asm-syntax", cl::init(ATT), clEnumValN(Intel, "intel", "Emit Intel-style assembly"), clEnumValEnd)); +static cl::opt<bool> +MarkedJTDataRegions("mark-data-regions", cl::init(false), + cl::desc("Mark code section jump table data regions."), + cl::Hidden); void X86MCAsmInfoDarwin::anchor() { } @@ -59,6 +63,7 @@ X86MCAsmInfoDarwin::X86MCAsmInfoDarwin(const Triple &T) { SupportsDebugInformation = true; DwarfUsesInlineInfoSection = true; + UseDataRegionDirectives = MarkedJTDataRegions; // Exceptions handling ExceptionsType = ExceptionHandling::DwarfCFI; |