diff options
Diffstat (limited to 'gnu/llvm/lib/MC/MCLinkerOptimizationHint.cpp')
| -rw-r--r-- | gnu/llvm/lib/MC/MCLinkerOptimizationHint.cpp | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/gnu/llvm/lib/MC/MCLinkerOptimizationHint.cpp b/gnu/llvm/lib/MC/MCLinkerOptimizationHint.cpp deleted file mode 100644 index 2f8581470ea..00000000000 --- a/gnu/llvm/lib/MC/MCLinkerOptimizationHint.cpp +++ /dev/null @@ -1,60 +0,0 @@ -//===- llvm/MC/MCLinkerOptimizationHint.cpp ----- LOH handling ------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "llvm/MC/MCLinkerOptimizationHint.h" -#include "llvm/MC/MCAsmLayout.h" -#include "llvm/MC/MCMachObjectWriter.h" -#include "llvm/Support/LEB128.h" -#include "llvm/Support/raw_ostream.h" -#include <cstddef> -#include <cstdint> - -using namespace llvm; - -// Each LOH is composed by, in this order (each field is encoded using ULEB128): -// - Its kind. -// - Its number of arguments (let say N). -// - Its arg1. -// - ... -// - Its argN. -// <arg1> to <argN> are absolute addresses in the object file, i.e., -// relative addresses from the beginning of the object file. -void MCLOHDirective::emit_impl(raw_ostream &OutStream, - const MachObjectWriter &ObjWriter, - const MCAsmLayout &Layout) const { - encodeULEB128(Kind, OutStream); - encodeULEB128(Args.size(), OutStream); - for (const MCSymbol *Arg : Args) - encodeULEB128(ObjWriter.getSymbolAddress(*Arg, Layout), OutStream); -} - -void MCLOHDirective::emit(MachObjectWriter &ObjWriter, - const MCAsmLayout &Layout) const { - raw_ostream &OutStream = ObjWriter.W.OS; - emit_impl(OutStream, ObjWriter, Layout); -} - -uint64_t MCLOHDirective::getEmitSize(const MachObjectWriter &ObjWriter, - const MCAsmLayout &Layout) const { - class raw_counting_ostream : public raw_ostream { - uint64_t Count = 0; - - void write_impl(const char *, size_t size) override { Count += size; } - - uint64_t current_pos() const override { return Count; } - - public: - raw_counting_ostream() = default; - ~raw_counting_ostream() override { flush(); } - }; - - raw_counting_ostream OutStream; - emit_impl(OutStream, ObjWriter, Layout); - return OutStream.tell(); -} |
