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contrib/llvm/lib/Target/X86/X86AsmPrinter.h
| Show All 24 Lines | |||||
| class MCStreamer; | class MCStreamer; | ||||
| class MCSymbol; | class MCSymbol; | ||||
| class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter { | class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter { | ||||
| const X86Subtarget *Subtarget; | const X86Subtarget *Subtarget; | ||||
| StackMaps SM; | StackMaps SM; | ||||
| FaultMaps FM; | FaultMaps FM; | ||||
| std::unique_ptr<MCCodeEmitter> CodeEmitter; | std::unique_ptr<MCCodeEmitter> CodeEmitter; | ||||
| bool NeedsRetpoline = false; | |||||
| // This utility class tracks the length of a stackmap instruction's 'shadow'. | // This utility class tracks the length of a stackmap instruction's 'shadow'. | ||||
| // It is used by the X86AsmPrinter to ensure that the stackmap shadow | // It is used by the X86AsmPrinter to ensure that the stackmap shadow | ||||
| // invariants (i.e. no other stackmaps, patchpoints, or control flow within | // invariants (i.e. no other stackmaps, patchpoints, or control flow within | ||||
| // the shadow) are met, while outputting a minimal number of NOPs for padding. | // the shadow) are met, while outputting a minimal number of NOPs for padding. | ||||
| // | // | ||||
| // To minimise the number of NOPs used, the shadow tracker counts the number | // To minimise the number of NOPs used, the shadow tracker counts the number | ||||
| // of instruction bytes output since the last stackmap. Only if there are too | // of instruction bytes output since the last stackmap. Only if there are too | ||||
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