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author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
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committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h | |
parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h')
-rw-r--r-- | lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h index 641f8cf..136146b 100644 --- a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h +++ b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h @@ -12,11 +12,13 @@ // //===----------------------------------------------------------------------===// -#ifndef MIPSELFSTREAMER_H -#define MIPSELFSTREAMER_H +#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSELFSTREAMER_H +#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSELFSTREAMER_H +#include "MipsOptionRecord.h" +#include "llvm/ADT/SmallVector.h" #include "llvm/MC/MCELFStreamer.h" -#include "llvm/Support/raw_ostream.h" +#include <memory> namespace llvm { class MCAsmBackend; @@ -25,18 +27,48 @@ class MCContext; class MCSubtargetInfo; class MipsELFStreamer : public MCELFStreamer { + SmallVector<std::unique_ptr<MipsOptionRecord>, 8> MipsOptionRecords; + MipsRegInfoRecord *RegInfoRecord; + SmallVector<MCSymbol*, 4> Labels; + public: MipsELFStreamer(MCContext &Context, MCAsmBackend &MAB, raw_ostream &OS, MCCodeEmitter *Emitter, const MCSubtargetInfo &STI) - : MCELFStreamer(Context, MAB, OS, Emitter) {} + : MCELFStreamer(Context, MAB, OS, Emitter) { + + RegInfoRecord = new MipsRegInfoRecord(this, Context, STI); + MipsOptionRecords.push_back( + std::unique_ptr<MipsRegInfoRecord>(RegInfoRecord)); + } + + /// Overriding this function allows us to add arbitrary behaviour before the + /// \p Inst is actually emitted. For example, we can inspect the operands and + /// gather sufficient information that allows us to reason about the register + /// usage for the translation unit. + void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override; + + /// Overriding this function allows us to record all labels that should be + /// marked as microMIPS. Based on this data marking is done in + /// EmitInstruction. + void EmitLabel(MCSymbol *Symbol) override; + + /// Overriding this function allows us to dismiss all labels that are + /// candidates for marking as microMIPS when .section directive is processed. + void SwitchSection(const MCSection *Section, + const MCExpr *Subsection = nullptr) override; + + /// Overriding this function allows us to dismiss all labels that are + /// candidates for marking as microMIPS when .word directive is emitted. + void EmitValueImpl(const MCExpr *Value, unsigned Size, + const SMLoc &Loc) override; - virtual ~MipsELFStreamer() {} + /// Emits all the option records stored up until the point it's called. + void EmitMipsOptionRecords(); }; MCELFStreamer *createMipsELFStreamer(MCContext &Context, MCAsmBackend &MAB, raw_ostream &OS, MCCodeEmitter *Emitter, - const MCSubtargetInfo &STI, bool RelaxAll, - bool NoExecStack); + const MCSubtargetInfo &STI, bool RelaxAll); } // namespace llvm. #endif |